Central Pacific Financial (CPF) 10-K/A 5 Mar 18 2017 FY Annual report (amended) Financial data

Document and Entity Information

Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2017	Feb. 13, 2018	Jun. 30, 2017
Document and Entity Information
Entity Registrant Name	CENTRAL PACIFIC FINANCIAL CORP
Entity Central Index Key	701,347
Current Fiscal Year End Date	--12-31
Entity Current Reporting Status	Yes
Entity Filer Category	Accelerated Filer
Document Type	10-K/A
Document Period End Date	Dec. 31, 2017
Document Fiscal Year Focus	2,017
Document Fiscal Period Focus	FY
Amendment Flag	true
Amendment Description	This Amendment No. 1 on Form 10-K/A (“Amendment No. 1”) amends the Annual Report of Central Pacific Financial Corp. (the “Company”) on Form 10-K for the fiscal year ended December 31, 2017, as filed with the Securities and Exchange Commission on February 28, 2018 (the “Original Filing”). This Amendment No. 1 is being filed solely to revise the Report of Independent Registered Public Accounting Firm related to KPMG LLP's opinion on our consolidated financial statements contained in Part II, Item 8 of the Original Filing. During the processing of the Original Filing, the following statement in KPMG LLP's opinion was inadvertently omitted, "we or our predecessor firms have served as the Company's auditor since 1975". Pursuant to Rule 12b-15 under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), currently-dated certifications from the Company’s Chief Executive Officer and Chief Financial Officer are filed as Exhibits to Amendment No. 1, as required by Sections 302 and 906 of the Sarbanes-Oxley Act of 2002. Except as described above, this Amendment No. 1 does not amend, update, or change any other information contained in the Original Filing.
Entity Common Stock, Shares Outstanding		29,872,222
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Public Float			$ 926,672,000

CONSOLIDATED BALANCE SHEETS

CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Assets
Cash and due from financial institutions	$ 75,318	$ 75,272
Interest-bearing deposits in other financial institutions	6,975	9,069
Investment securities:
Available-for-sale, at fair value	1,304,891	1,243,847
Held to maturity, fair value of: $189,201 at December 31, 2017 and $214,366 at December 31, 2016	191,753	217,668
Total investment securities	1,496,644	1,461,515
Loans held for sale	16,336	31,881
Loans and leases	3,770,615	3,524,890
Allowance for loan and lease losses	(50,001)	(56,631)
Loans and leases, net of allowance for loan and lease losses	3,720,614	3,468,259
Premises and equipment, net	48,348	48,258
Accrued interest receivable	16,581	15,675
Investment in unconsolidated subsidiaries	7,088	6,889
Other real estate owned	851	791
Mortgage servicing rights	15,843	15,779
Core deposit premium	2,006	4,680
Bank-owned life insurance	156,293	155,593
Federal Home Loan Bank stock	7,761	11,572
Other assets	53,050	79,003
Total assets	5,623,708	5,384,236
Deposits:
Noninterest-bearing demand	1,395,556	1,265,246
Interest-bearing demand	933,054	862,991
Savings and money market	1,481,876	1,390,600
Time	1,145,868	1,089,364
Total deposits	4,956,354	4,608,201
Federal Home Loan Bank advances and other short-term borrowings	32,000	135,000
Long-term debt	92,785	92,785
Other liabilities	42,534	43,575
Total liabilities	5,123,673	4,879,561
Equity:
Preferred stock, no par value, authorized 1,000,000 shares; issued and outstanding none at: December 31, 2017, and December 31, 2016	0	0
Common stock, no par value, authorized 185,000,000 shares; issued and outstanding: 30,024,222 at December 31, 2017 and 30,796,243 at December 31, 2016	503,988	530,932
Surplus	86,098	84,180
Accumulated deficit	(89,036)	(108,941)
Accumulated other comprehensive income (loss)	(1,039)	(1,521)
Total shareholders' equity	500,011	504,650
Non-controlling interest	24	25
Total equity	500,035	504,675
Total liabilities and equity	$ 5,623,708	$ 5,384,236

CONSOLIDATED BALANCE SHEETS (Pa

CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Statement of Financial Position [Abstract]
Held to maturity, fair value	$ 189,201	$ 214,366
Preferred stock, par value (in dollars per share)	$ 0	$ 0
Preferred stock, authorized shares	1,000,000	1,000,000
Preferred stock, issued shares	0	0
Preferred stock, outstanding shares	0	0
Common stock, par value (in dollars per share)	$ 0	$ 0
Common stock, authorized shares	185,000,000	185,000,000
Common stock, issued shares	30,024,222	30,796,243
Common stock, outstanding shares	30,024,222	30,796,243

CONSOLIDATED STATEMENTS OF INCO

CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Interest income:
Interest and fees on loans and leases	$ 144,224	$ 132,028	$ 118,887
Interest and dividends on investment securities:
Taxable investment securities	33,933	30,848	32,969
Tax-exempt investment securities	3,874	3,975	4,022
Dividend income on investment securities	49	42	36
Interest on deposits in other financial institutions	356	67	35
Dividend income on Federal Home Loan Bank stock	126	179	86
Total interest income	182,562	167,139	156,035
Interest on deposits:
Demand	641	489	399
Savings and money market	1,099	1,043	916
Time	9,457	4,074	2,312
Interest on short-term borrowings	183	578	254
Interest on long-term debt	3,479	3,005	2,626
Total interest expense	14,859	9,189	6,507
Net interest income	167,703	157,950	149,528
Provision (credit) for loan and lease losses	(2,674)	(5,517)	(15,671)
Net interest income after provision for loan and lease losses	170,377	163,467	165,199
Other operating income:
Mortgage banking income	6,962	8,069	7,254
Service charges on deposit accounts	11,518	11,449	11,461
Other service charges and fees	8,468	7,891	7,829
Income from fiduciary activities	3,674	3,435	3,343
Income from bank-owned life insurance	3,388	2,685	2,034
Net gain on sales of foreclosed assets	205	607	568
Gain on sale of premises and equipment	0	3,537	0
Equity in earnings of unconsolidated subsidiaries	602	723	578
Fees on foreign exchange	529	519	450
Loan placement fees	536	494	720
Net losses on sales of investment securities	(1,410)	0	(1,866)
Other	2,024	2,907	2,428
Total other operating income	36,496	42,316	34,799
Other operating expense:
Salaries and employee benefits	72,286	73,500	66,429
Net occupancy	13,571	14,065	14,432
Legal and professional services	7,724	6,856	7,340
Computer software expense	9,192	9,475	8,831
Amortization of core deposit premium	4,962	7,741
Communication expense	3,659	3,694	3,483
Equipment	3,785	3,399	3,475
Advertising expense	2,408	2,401	2,550
Foreclosed asset expense	151	152	486
Other	16,367	17,346	17,342
Total other operating expense	131,817	133,563	127,042
Income before income taxes	75,056	72,220	72,956
Income tax expense	33,852	25,228	27,088
Net income	$ 41,204	$ 46,992	$ 45,868
Per common share data:
Basic earnings per share (in dollars per share)	$ 1.36	$ 1.52	$ 1.42
Diluted earnings per share (in dollars per share)	1.34	1.50	1.40
Cash dividends declared (in dollars per share)	$ 0.70	$ 0.6	$ 0.82
Core Deposit Premium
Other operating expense:
Amortization of core deposit premium	$ 2,674	$ 2,675	$ 2,674

CONSOLIDATED STATEMENTS OF COMP

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 41,204	$ 46,992	$ 45,868
Other comprehensive income (loss), net of tax:
Net change in unrealized gain (loss) on investment securities	344	(4,452)	(4,405)
Minimum pension liability adjustment	138	2,728	1,449
Total other comprehensive income (loss), net of tax	482	(1,724)	(2,956)
Comprehensive income	$ 41,686	$ 45,268	$ 42,912

CONSOLIDATED STATEMENTS OF CHAN

CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Thousands	Total	Common shares outstanding	Common Stock	Surplus	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)	Non-Controlling Interests
Balance at Dec. 31, 2014	$ 568,041		$ 642,205	$ 79,716	$ (157,039)	$ 3,159	$ 0
Balance (in shares) at Dec. 31, 2014		35,233,674
Increase (Decrease) in Shareholders' Equity
Net income	45,868				45,868
Other comprehensive income (loss)	(2,956)					(2,956)
Cash dividends	(26,143)				(26,143)
Common stock purchased by directors' deferred compensation plan	(154)		(154)
Common stock repurchased and other related costs	$ (93,533)		(93,533)
Common stock repurchased and other related costs (in shares)	(4,122,881)	(4,122,881)
Share-based compensation	$ 3,491		360	3,131
Share-based compensation (in shares)		250,659
Non-controlling interests	25						25
Balance at Dec. 31, 2015	494,639		548,878	82,847	(137,314)	203	25
Balance (in shares) at Dec. 31, 2015		31,361,452
Increase (Decrease) in Shareholders' Equity
Net income	46,992				46,992
Other comprehensive income (loss)	(1,724)					(1,724)
Cash dividends	(18,619)				(18,619)
Common stock purchased by directors' deferred compensation plan	(681)		(681)
Common stock repurchased and other related costs	$ (18,206)		(18,206)
Common stock repurchased and other related costs (in shares)	(796,822)	(796,822)
Share-based compensation	$ 2,274		941	1,333
Share-based compensation (in shares)		231,613
Balance at Dec. 31, 2016	$ 504,675		530,932	84,180	(108,941)	(1,521)	25
Balance (in shares) at Dec. 31, 2016	30,796,243	30,796,243
Increase (Decrease) in Shareholders' Equity
Net income	$ 41,204				41,204
Other comprehensive income (loss)	482					482
Cash dividends	(21,299)				(21,299)
Common stock purchased by directors' deferred compensation plan	(385)		(385)
Common stock repurchased and other related costs	$ (26,559)		(26,559)
Common stock repurchased and other related costs (in shares)	(864,483)	(864,483)
Share-based compensation	$ 1,918		0	1,918
Share-based compensation (in shares)		92,462
Non-controlling interests	(1)						(1)
Balance at Dec. 31, 2017	$ 500,035		$ 503,988	$ 86,098	$ (89,036)	$ (1,039)	$ 24
Balance (in shares) at Dec. 31, 2017	30,024,222	30,024,222

CONSOLIDATED STATEMENTS OF CHA7

CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Statement of Stockholders' Equity [Abstract]
Common stock purchased by directors' deferred compensation plan (in shares)	12,020	22,800	8,159
Cash dividends (in dollars per share)	$ 0.70	$ 0.6	$ 0.82
Shares of common stock repurchased (in shares)	864,483	796,822	4,122,881

CONSOLIDATED STATEMENTS OF CASH

CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Cash flows from operating activities:
Net income	$ 41,204	$ 46,992	$ 45,868
Adjustments to reconcile net income to net cash provided by operating activities:
Provision (credit) for loan and lease losses	(2,674)	(5,517)	(15,671)
Depreciation and amortization of premises and equipment	6,441	6,049	5,870
Gain on sale of premises and equipment	0	(3,537)	0
Amortization of mortgage servicing rights and core deposit premium	4,962	7,741	6,859
Write down of other real estate, net of gain on sale	(192)	(251)	198
Net amortization of investment securities	11,674	12,945	10,246
Share-based compensation expense	1,918	1,333	3,131
Net losses on sales of investment securities	1,410	0	1,866
Net gain on sale of residential mortgage loans	(4,069)	(7,631)	(6,107)
Proceeds from sales of loans held for sale	319,556	432,331	379,318
Origination of loans held for sale	(299,942)	(442,472)	(377,638)
Equity in earnings of unconsolidated subsidiaries	(602)	(723)	(578)
Increase in cash surrender value of bank-owned life insurance	(3,940)	(3,132)	(2,407)
Deferred income taxes	32,206	24,427	26,079
Net tax benefits from share-based compensation	544	0	0
Net change in other assets and liabilities	(11,712)	7,930	(2,529)
Net cash provided by operating activities	96,784	76,485	74,505
Cash flows from investing activities:
Proceeds from maturities of and calls on available-for-sale investment securities	169,472	204,426	165,492
Proceeds from sales of available-for-sale investment securities	114,536	0	117,496
Purchases of available-for-sale investment securities	(356,887)	(195,456)	(344,766)
Proceeds from maturities of and calls on held-to-maturity investment securities	25,237	30,989	26,524
Purchases of held-to-maturity investment securities	0	(1,644)	(37,043)
Loan (originations) and payments, net	(166,051)	(239,006)	(218,195)
Purchases of loan portfolios	(83,784)	(76,946)	(68,754)
Proceeds from sales of loans originated for investment	0	0	6,658
Proceeds from sales of other real estate	286	2,850	6,691
Proceeds from bank-owned life insurance	3,240	1,506	723
Proceeds from sale of buildings	0	4,287	0
Purchases of premises and equipment	(6,531)	(5,896)	(5,817)
Distributions from unconsolidated subsidiaries	658	645	524
Contributions to unconsolidated subsidiaries	(114)	(5)	0
Proceeds from redemption (purchases) of FHLB stock	3,811	(2,966)	35,326
Net cash used in investing activities	(296,127)	(277,216)	(315,141)
Cash flows from financing activities:
Net increase in deposits	348,153	174,762	323,139
Net (decrease) increase in FHLB advances and other short-term borrowings	(103,000)	66,000	31,000
Cash dividends paid on common stock	(21,299)	(18,619)	(26,143)
Repurchases of common stock	(26,559)	(18,206)	(93,533)
Net proceeds from issuance of common stock and stock option exercises	0	941	360
Net cash provided by financing activities	197,295	204,878	234,823
Net increase (decrease) in cash and cash equivalents	(2,048)	4,147	(5,813)
Cash and cash equivalents:
At beginning of year	84,341	80,194	86,007
At end of year	82,293	84,341	80,194
Cash paid during the year for:
Interest	12,717	8,705	6,453
Income taxes	8,401	0	1,642
Cash received during the year for:
Income taxes	0	1,605	0
Supplemental non-cash disclosures:
Net change in common stock held by directors' deferred compensation plan	385	681	154
Net reclassification of loans to other real estate	154	1,428	5,903
Net transfer of portfolio loans to loans held for sale	$ 0	$ 0	$ 6,658

SUMMARY OF SIGNIFICANT ACCOUNTI

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES	12 Months Ended
	Dec. 31, 2017
Accounting Policies [Abstract]
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES	1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Description of Business Central Pacific Financial Corp. is a bank holding company. Our principal operating subsidiary, Central Pacific Bank, is a full-service commercial bank with 35 branches and 79 ATMs located throughout the state of Hawaii. The bank engages in a broad range of lending activities including originating commercial loans, commercial and residential mortgage loans, home equity loans and consumer loans. The bank also offers a variety of deposit products and services. These include personal and business checking and savings accounts, money market accounts and time certificates of deposit. Other products and services include debit cards, internet banking, mobile banking, cash management services, traveler's checks, safe deposit boxes, international banking services, night depository facilities, foreign exchange and wire transfers. Wealth management products and services include non-deposit investment products, annuities, insurance, investment management, asset custody and general consultation and planning services. When we refer to "the Company," "we," "us" or "our," we mean Central Pacific Financial Corp. & Subsidiaries (consolidated). When we refer to "Central Pacific Financial Corp." or to the holding company, we are referring to the parent company on a standalone basis. When we refer to "our bank" or "the bank," we mean "Central Pacific Bank." The banking business depends on rate differentials, the difference between the interest rates paid on deposits and other borrowings and the interest rates received on loans extended to customers and investment securities held in our portfolio. These rates are highly sensitive to many factors that are beyond our control. Accordingly, the earnings and growth of the Company are subject to the influence of domestic and foreign economic conditions, including inflation, recession and unemployment. We have the following three reportable segments: (1) Banking Operations, (2) Treasury and (3) All Others. The Banking Operations segment includes construction and commercial real estate lending, commercial lending, residential mortgage lending, consumer lending, trust services, retail brokerage services, and our retail branch offices, which provide a full range of deposit and loan products, as well as various other banking services. The Treasury segment is responsible for managing the Company's investment securities portfolio and wholesale funding activities. The All Others segment consists of all activities not captured by the Banking Operations and Treasury segments described above and includes activities such as electronic banking, data processing and management of bank owned properties. For further information, see Note 26 - Segment Information . Principles of Consolidation The consolidated financial statements include the accounts of the Company and its majority-owned subsidiaries. All significant intercompany accounts and transactions have been eliminated in consolidation. In December 2015, we acquired a 50% ownership interest in a mortgage loan origination and brokerage company, One Hawaii HomeLoans, LLC. The bank concluded that the investment met the consolidation requirements under Financial Accounting Standards Board ("FASB") Accounting Standards Codification ("ASC") 810, " Consolidation ". The bank also concluded that the entity met the definition of a variable interest entity and that we were the primary beneficiary of the variable interest entity. Accordingly, the investment has been consolidated into our financial statements as of December 31, 2017 and 2016 . One Hawaii HomeLoans, LLC was terminated in 2017 with final payment of taxes and distributions to members pending. We have 50% ownership interests in four other mortgage loan origination and brokerage companies which are accounted for using the equity method and are included in investment in unconsolidated subsidiaries: Pacific Access Mortgage, LLC, Gentry HomeLoans, LLC, Haseko HomeLoans, LLC and Island Pacific HomeLoans, LLC. Pacific Access Mortgage, LLC was terminated in 2017 with final payment of taxes and distributions to members pending. We also have equity investments in affiliates that are accounted for under the cost method and are included in investment in unconsolidated subsidiaries. Our investments in unconsolidated subsidiaries accounted for under the equity and cost methods were $0.6 million and $6.5 million , respectively, at December 31, 2017 and $0.7 million and $6.2 million , respectively, at December 31, 2016 . Our policy for determining impairment of these investments includes an evaluation of whether a loss in value of an investment is other than temporary. Evidence of a loss in value includes absence of an ability to recover the carrying amount of the investment or the inability of the investee to sustain an earnings capacity which would justify the carrying amount of the investment. We perform impairment tests whenever indicators of impairment are present. If the value of an investment declines and it is considered other than temporary, the investment is written down to its respective fair value in the period in which this determination is made. The Company sponsors the Central Pacific Bank Foundation, which is not consolidated in the Company's financial statements. Use of Estimates The preparation of the consolidated financial statements in conformity with generally accepted accounting principles in the United States ("GAAP") requires management to make estimates and assumptions that reflect the reported amounts of assets and liabilities and disclosures of contingent assets and contingent liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Material estimates that are particularly susceptible to significant change in the near term relate to the determination of the allowance and provision for loan and lease losses, reserves for unfunded loan commitments, deferred income tax assets and income tax expense, valuation of investment securities, mortgage servicing rights and the related amortization thereon, pension liability and the fair value of certain financial instruments. Cash and Cash Equivalents For purposes of the consolidated statements of cash flows, we consider cash and cash equivalents to include cash and due from banks, interest-bearing deposits in other banks, federal funds sold and all highly liquid investments with maturities of three months or less at the time of purchase. Investment Securities Investments in debt securities and marketable equity securities are designated as trading, available-for-sale, or held-to-maturity. Securities are designated as held-to-maturity only if we have the positive intent and ability to hold these securities to maturity. Held-to-maturity debt securities are reported at amortized cost. Trading securities are reported at fair value, with changes in fair value included in earnings. Available-for-sale securities are reported at fair value, with net unrealized gains and losses, net of taxes, included in accumulated other comprehensive income (loss) ("AOCI"). We use current quotations, where available, to estimate the fair value of investment securities. Where current quotations are not available, we estimate fair value based on the present value of expected future cash flows. We consider the facts of each security including the nature of the security, the amount and duration of the loss, credit quality of the issuer, the expectations for that security's performance and our intent and ability to hold the security until recovery. Declines in the value of debt securities and marketable equity securities that are considered other than temporary are recorded in other operating income. Realized gains and losses on the sale of investment securities are recorded in other operating income using the specific identification method. Interest income on investment securities includes amortization of premiums and accretion of discounts. We amortize premiums and accrete discounts associated with investment securities using the interest method over the life of the respective security instrument. We are a member of the Federal Home Loan Bank of Des Moines (the "FHLB"). The bank is required to obtain and hold a specific number of shares of capital stock of the FHLB equal to the sum of a membership investment requirement and an activity-based investment requirement. The securities are reported at cost and are presented separately in the consolidated balance sheets. Loans Held for Sale Loans held for sale consists of the following two types: (1) Hawaii residential mortgage loans that are originated with the intent to sell them in the secondary market and (2) non-residential mortgage loans in both Hawaii and the U.S. Mainland that were originated with the intent to be held in our portfolio but were subsequently transferred to the held for sale category. Hawaii residential mortgage loans classified as held for sale are carried at the lower of cost or fair value on an aggregate basis, while the non-residential Hawaii and U.S. Mainland loans are recorded at the lower of cost or fair value on an individual basis. Net fees and costs associated with originating and acquiring the Hawaii residential mortgage loans held for sale are deferred and included in the basis for determining the gain or loss on sales of loans held for sale. We report the fair values of the non-residential mortgage loans classified as held for sale net of applicable selling costs on our consolidated balance sheets. Loans originated with the intent to be held in our portfolio are subsequently transferred to held for sale when our intent to hold for the foreseeable future has changed. At the time of a loan's transfer to the held for sale account, the loan is recorded at the lower of cost or fair value. Any reduction in the loan's value is reflected as a write-down of the recorded investment resulting in a new cost basis, with a corresponding reduction in the allowance for loan and lease losses. In subsequent periods, if the fair value of a loan classified as held for sale is less than its cost basis, a valuation adjustment is recognized in our consolidated statement of income in other operating expense and the carrying value of the loan is adjusted accordingly. The valuation adjustment may be recovered in the event that the fair value increases, which is also recognized in our consolidated statement of income in other operating expense. The fair value of loans classified as held for sale are generally based upon quoted prices for similar assets in active markets, acceptance of firm offer letters with agreed upon purchase prices, discounted cash flow models that take into account market observable assumptions, or independent appraisals of the underlying collateral securing the loans. Collateral values are determined based on appraisals received from qualified valuation professionals and are obtained periodically or when indicators that property values may be impaired are present. We sell residential mortgage loans under industry standard contractual provisions that include various representations and warranties, which typically cover ownership of the loan, compliance with loan criteria set forth in the applicable agreement, validity of the lien securing the loan, and other similar matters. We may be required to repurchase certain loans sold with identified defects, indemnify the investor, or reimburse the investor for any credit losses incurred. Our repurchase risk generally relates to early payment defaults and borrower fraud. We establish residential mortgage repurchase reserves to reflect this risk based on our estimate of losses after considering a combination of factors, including our estimate of future repurchase activity and our projection of incurred credit losses resulting from repurchased loans. Loans Loans are stated at the principal amount outstanding, net of unearned income. Unearned income represents net deferred loan fees (costs) that are recognized over the life of the related loan as an adjustment to yield. Net deferred loan fees (costs) are amortized using the interest method over the contractual term of the loan, adjusted for actual prepayments. Unamortized fees (costs) on loans paid in full are recognized as a component of interest income. Interest income on loans is recognized on an accrual basis. For all loan types, the Company determines delinquency status by considering the number of days full payments required by the contractual terms of the loan are past due. Loans are placed on nonaccrual status when interest payments are 90 days past due, or earlier should management determine that the borrowers will be unable to meet contractual principal and/or interest obligations, unless the loans are well-secured and in the process of collection. When a loan is placed on nonaccrual status, all interest previously accrued but not collected is reversed against current period interest income should management determine that the collectibility of such accrued interest is doubtful. All subsequent receipts are applied to principal outstanding and no interest income is recognized unless the financial condition and payment record of the borrowers warrant such recognition. A nonaccrual loan may be restored to an accrual basis when principal and interest payments are current and full payment of principal and interest is expected. Allowance for Loan and Lease Losses The allowance for loan and lease losses (the "Allowance") is established through provisions for loan and lease losses (the "Provision") charged against income. Our policy is to charge a loan off in the period in which the loan is deemed to be uncollectible and all interest previously accrued but not collected is reversed against current period interest income. We consider a loan to be uncollectible when it is probable that a loss has been incurred and the Company can make a reasonable estimate of the loss. In these instances, the likelihood of and/or timeframe for recovery of the amount due is uncertain, weak, or protracted. Subsequent receipts, if any, are credited first to the remaining principal, then to the Allowance as recoveries, and finally to unaccrued interest. The Allowance is management's estimate of credit losses inherent in our loan and lease portfolio at the balance sheet date. We maintain our Allowance at an amount we expect to be sufficient to absorb probable losses inherent in our loan and lease portfolio based on a projection of probable net loan charge-offs. During the fourth quarter of 2016, the Company implemented an enhanced Allowance methodology due to the growth in the portfolio and improved credit quality. Management believes the enhanced methodology provides for greater precision in calculating the Allowance. The following summarizes the key enhancements made to the Allowance methodology: • Collapsed 128 segments into nine segments. The enhanced methodology uses FDIC Call Report codes to identify the nine segments. • Expanded the look-back period to 28 quarters to capture a longer economic cycle. • Utilized a migration analysis, versus average historical loss rate, to determine the historical loss rates for segments, with the exception of national syndicated loans due to limited loss history. • Applied a segment specific loss emergence period. • Determined qualitative reserves, calculated at the segment level, considering nine qualitative factors and based on a baseline risk weighting adjusted for current internal and external factors. • Eliminated the Moody's proxy rate that was applied under the previous methodology. • Eliminated the unallocated reserve. These enhancements and continued improvement in portfolio credit quality resulted in a credit to the Provision of $2.6 million during the fourth quarter of 2016. In 2017 the Company continued to implement the enhanced Allowance methodology from the fourth quarter of 2016, which resulted in a credit to the Provision of $2.7 million in the year ended December 31, 2017 . The Company's approach to developing the Allowance has three basic elements. These elements include specific reserves for individually impaired loans, a general allowance for loans other than those analyzed as individually impaired, and qualitative adjustments based on environmental and other factors which may be internal or external to the Company. These three elements are explained below. Specific Reserve Individually impaired loans in all loan categories are evaluated using one of three valuation methods as prescribed under Accounting Standards Codification ("ASC") 310-10, Fair Value of Collateral, Observable Market Price, or Cash Flow . A loan is generally evaluated for impairment on an individual basis if it meets one or more of the following characteristics: risk-rated as substandard, doubtful or loss, loans on nonaccrual status, troubled debt restructures, or any loan deemed prudent by management to so analyze. If the valuation of the impaired loan is less than the recorded investment in the loan, the deficiency will be charged off against the Allowance or, alternatively, a specific reserve will be established and included in the overall Allowance balance. General Allowance In determining the general allowance component of the Allowance, the Company utilizes a comprehensive approach to segment the loan portfolio into homogeneous groups. The enhanced methodology segments the portfolio by FDIC Call Report codes. In the second quarter of 2017, an additional segment was added for auto dealer purchased loans. This results in ten segments, and is consistent with general industry practice. For the purpose of determining general allowance loss factors, loss experience is derived from a migration analysis, with the exception of national syndicated loans and auto dealer purchased loans where an average historical loss rate is applied due to limited historical loss experience. The key inputs to run a migration analysis are the length of the migration period, the dates for the migration periods to start and the number of migration periods used for the analysis. For each migration period, the analysis will determine the outstanding balance in each segment and/or sub-segment at the start of each period. These loans will then be followed for the length of the migration period to identify the amount of associated charge-offs and recoveries. A loss rate for each migration period is calculated using the formula ‘net charge-offs over the period divided by beginning loan balance'. The Allowance methodology applies a look back period to January 1, 2010. The Company extends its look back period with each additional quarter passing. Qualitative Adjustments Our Allowance methodology uses qualitative adjustments to address changes in conditions, trends, and circumstances such as economic conditions and industry changes that could have a significant impact on the risk profile of the loan portfolio, and provide for losses in the loan portfolio that may not be reflected and/or captured in the historical loss data. In order to ensure that the qualitative adjustments are in compliance with current regulatory standards and U.S. GAAP, the Company is primarily basing adjustments on the nine standard factors outlined in the 2006 Interagency Policy Statement on the Allowance for Loan and Lease Losses. These factors include: lending policies, economic conditions, loan profile, lending staff, problem loan trends, loan review, collateral, credit concentrations and other internal and external factors. In recognizing that current and relevant environmental (economic, market or other) conditions that can affect repayment may not yet be fully reflected in historical loss experience, qualitative adjustments are applied to factor in current loan portfolio and market intelligence. These adjustments, which are added to the historical loss rate, consider the nature of the Company's primary markets and are reasonable, consistently determined and appropriately documented. Management reviews the results of the qualitative adjustment quarterly to ensure it is consistent with the trends in the overall economy, and from time to time may make adjustments, if necessary, to ensure directional consistency. Reserve for Unfunded Commitments Our process for determining the reserve for unfunded loan commitments utilizes historical loss rates and is adjusted for estimated loan funding probabilities. The reserve for unfunded loan commitments is recorded separately through a valuation allowance included in other liabilities. Credit losses for off-balance sheet credit exposures are deducted from the allowance for credit losses on off-balance sheet credit exposures in the period in which the liability is settled. The allowance for credit losses on off-balance sheet credit losses is established by a charge to other operating expense. Premises and Equipment Premises and equipment are stated at cost, net of accumulated depreciation and amortization. Depreciation and amortization are included in other operating expense and are computed using the straight-line method over the shorter of the estimated useful lives of the assets or the applicable leases. Useful lives generally range from five to thirty-nine years for premises and improvements, and one to seven years for equipment. Major improvements and betterments are capitalized, while recurring maintenance and repairs are charged to operating expense. Net gains or losses on dispositions of premises and equipment are included in other operating income and operating expense. Core Deposit Premium and Mortgage Servicing Rights Our core deposit premium is being amortized over 14 years which approximates the estimated life of the purchased deposits. The carrying value of our core deposit premium is periodically evaluated to estimate the remaining periods of benefit. If these periods of benefit are determined to be less than the remaining amortizable life, an adjustment to reflect such shorter life will be made. Mortgage servicing rights are recorded when loans are sold to third-parties with servicing of those loans retained and we classify our entire mortgage servicing rights into one class. We utilize the amortization method to measure our mortgage servicing rights. Under the amortization method, we amortize our mortgage servicing rights in proportion to and over the period of net servicing income. Income generated as the result of new mortgage servicing rights is reported as gains on sales of loans. Amortization of the servicing rights is reported as a component of mortgage banking income in our consolidated statements of income. Ancillary income is recorded in other income. Initial fair value of the servicing right is calculated by a discounted cash flow model prepared by a third-party service provider based on market value assumptions at the time of origination and we assess the servicing right for impairment using current market value assumptions at each reporting period. Critical assumptions used in the discounted cash flow model include mortgage prepayment speeds, discount rates, costs to service and ancillary income. Variations in our assumptions could materially affect the estimated fair values. Changes to our assumptions are made when current trends and market data indicate that new trends have developed. Current market value assumptions based on loan product types (fixed-rate, adjustable-rate and balloon loans) include average discount rates, servicing cost and ancillary income. Many of these assumptions are subjective and require a high level of management judgment. Our mortgage servicing rights portfolio and valuation assumptions are periodically reviewed by management. Prepayment speeds may be affected by economic factors such as home price appreciation, market interest rates, the availability of other credit products to our borrowers and customer payment patterns. Prepayment speeds include the impact of all borrower prepayments, including full payoffs, additional principal payments and the impact of loans paid off due to foreclosure liquidations. We perform an impairment assessment of our core deposit premium and mortgage servicing rights quarterly or whenever events or changes in circumstance indicate that the carrying value of those assets may not be recoverable. Our impairment assessments involve, among other valuation methods, the estimation of future cash flows and other methods of determining fair value. Estimating future cash flows and determining fair values is subject to judgments and often involves the use of significant estimates and assumptions. The variability of the factors we use to perform our impairment tests depend on a number of conditions, including uncertainty about future events and cash flows. All such factors are interdependent and, therefore, do not change in isolation. Accordingly, our accounting estimates may materially change from period to period due to changing market factors. Other Real Estate Other real estate is composed of properties acquired through foreclosure proceedings and is initially recorded at fair value less estimated costs to sell the property, thereby establishing the new cost basis of other real estate. Losses arising at the time of acquisition of such properties are charged against the Allowance. Subsequent to acquisition, such properties are carried at the lower of cost or fair value less estimated selling expenses, determined on an individual asset basis. Any deficiency resulting from the excess of cost over fair value less estimated selling expenses is recognized as a valuation allowance. Any subsequent increase in fair value up to its cost basis is recorded as a reduction of the valuation allowance. Increases or decreases in the valuation allowance are included in other operating expense. Net gains or losses recognized on the sale of these properties are included in other operating income. Non-Controlling Interest Non-controlling interest at December 31, 2017 was comprised of capital and undistributed profits of the member of One Hawaii HomeLoans, LLC, other than the bank. Non-controlling interest on our consolidated balance sheet at December 31, 2017 and December 31, 2016 totaled $24 thousand and $25 thousand , respectively. One Hawaii HomeLoans, LLC was terminated in 2017 with final payment of taxes and distributions to members pending. Share Based Compensation Share-based compensation cost is measured at the grant date, based on the estimated fair value of the award, and is recognized as expense over the employee's requisite service period. We use the Black-Scholes option-pricing model to determine the fair-value of stock options and we recognize compensation expense for all share-based payment awards on a straight-line basis over their respective vesting period. See Note 16 - Share-Based Compensation for further discussion of our stock-based compensation. Income Taxes Deferred tax assets and liabilities are recognized for the estimated future tax effects attributable to temporary differences and carryforwards. A valuation allowance may be required if, based on the weight of available evidence, it is more likely than not that some portion or all of the deferred tax assets will not be realized. In determining whether a valuation allowance is necessary, we consider the level of taxable income in prior years, to the extent that carrybacks are permitted under current tax laws, as well as estimates of future taxable income and tax planning strategies that could be implemented to accelerate taxable income, if necessary. If our estimates of future taxable income were materially overstated or if our assumptions regarding the tax consequences of tax planning strategies were inaccurate, some or all of our deferred tax assets may not be realized, which would result in a charge to earnings. We recognize interest and penalties related to income tax matters in other expense. We establish income tax contingency reserves for potential tax liabilities related to uncertain tax positions. Tax benefits are recognized when we determine that it is more likely than not that such benefits will be realized. Where uncertainty exists due to the complexity of income tax statutes, and where the potential tax amounts are significant, we generally seek independent tax opinions to support our positions. If our evaluation of the likelihood of the realization of benefits is inaccurate, we could incur additional income tax and interest expense that would adversely impact earnings, or we could receive tax benefits greater than anticipated which would positively impact earnings. Earnings per Share Basic earnings per share is computed by dividing net income available to common shareholders by the weighted average number of common shares outstanding during the period, excluding unvested restricted stock awards. Diluted earnings per share is computed by dividing net income available to common shareholders by the weighted average number of common shares outstanding during the period, increased by the dilutive effect of stock options and stock awards, less shares held in a Rabbi trust pursuant to a deferred compensation plan for directors. Forward Foreign Exchange Contracts We are periodically a party to a limited amount of forward foreign exchange contracts to satisfy customer requirements for foreign currencies. These contracts are not utilized for trading purposes and are carried at market value, with realized gains and losses included in fees on foreign exchange. Derivatives and Hedging Activities We recognize all derivatives on the balance sheet at fair value. On the date that we enter into a derivative contract, we designate the derivative as (1) a hedge of the fair value of an identified asset or liability ("fair value hedge"), (2) a hedge of a forecasted transaction or of the variability of cash flows to be received or paid related to an identified asset or liability ("cash flow hedge") or (3) a transaction not qualifying for hedge accounting ("free standing derivative"). For a fair value hedge, changes in the fair value of the derivative and, to the extent that it is effective, changes in the fair value of the hedged asset or liability, attributable to the hedged risk, are recorded in current period net income in the same financial statement category as the hedged item. For a cash flow hedge, changes in the fair value of the derivative, to the extent that it is effective, is recorded in other comprehensive income (loss) ("OCI"). These changes in fair value are subsequently reclassified to net income in the same period(s) that the hedged transaction affects net income in the same financial statement category as the hedged item. For free standing derivatives, changes in fair values are reported in current period other operating income. Accounting Standards Adopted in 2017 In March 2016, the FASB issued ASU 2016-09, "Compensation-Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting." ASU 2016-09 simplifies the accounting for share-based payments. Specifically, the amendments: 1) require entities to record all excess tax benefits and tax deficiencies as an income tax benefit or expense in the income statement; 2) change the classification of excess tax benefits to an operating activity in the statement of cash flows; 3) allows entities to elect an accounting policy to either estimate the number of forfeitures or account for forfeitures when they occur; and 4) allows entities to withhold up to the maximum individual statutory tax rate without classifying the awards as a liability. We adopted ASU 2016-09 effective January 1, 2017 and elected to recognize forfeitures as they occur. The Company’s adoption was prospective, therefore, prior periods have not been adjusted. The adoption of ASU 2016-09 could result in greater volatility to reported income tax expense related to excess tax benefits and tax deficiencies for employee share-based payments. The volatility results from changes in the share price and timing of exercise of share options and vesting of share awards. For the year ended December 31, 2017 , the adoption of ASU 2016-09 resulted in a decrease to the provision for income taxes due to the tax benefit from the vesting of restricted stock units. Accounting Standards Pending Adoption In May 2014, the FASB issued ASU 2014-09, "Revenue from Contracts with Customers (Topic 606)." ASU 2014-09 requires an entity to recognize the amount of revenue to which it expects to be en

RESERVE REQUIREMENTS

RESERVE REQUIREMENTS	12 Months Ended
	Dec. 31, 2017
Banking and Thrift [Abstract]
RESERVE REQUIREMENTS	2. RESERVE REQUIREMENTS The bank is required by the Federal Reserve Bank of San Francisco to maintain reserves based on the amount of deposits held. The amount held as a reserve by our bank at December 31, 2017 and 2016 was $63.4 million and $63.1 million , respectively.

INVESTMENT SECURITIES

INVESTMENT SECURITIES	12 Months Ended
	Dec. 31, 2017
Investments, Debt and Equity Securities [Abstract]
INVESTMENT SECURITIES	3. INVESTMENT SECURITIES A summary of our investment securities portfolio as of December 31, 2017 and 2016 is as follows: Amortized Gross Gross Fair (Dollars in thousands) December 31, 2017 Held-to-Maturity: Mortgage-backed securities: Residential-U.S. Government sponsored entities $ 100,279 $ 106 $ (2,222 ) $ 98,163 Commercial-U.S. Government sponsored entities 91,474 — (436 ) 91,038 Total held-to-maturity investment securities $ 191,753 $ 106 $ (2,658 ) $ 189,201 Available-for-Sale: Debt securities: States and political subdivisions $ 178,459 $ 2,041 $ (719 ) $ 179,781 Corporate securities 73,772 582 (76 ) 74,278 U.S. Treasury obligations and direct obligations of U.S Government agencies 25,519 60 (69 ) 25,510 Mortgage-backed securities: Residential-U.S. Government sponsored entities 808,242 2,230 (9,789 ) 800,683 Residential-Non-government sponsored entities 45,679 1,084 — 46,763 Commercial-U.S. Government agencies and sponsored entities 40,012 — (287 ) 39,725 Commercial-Non-government sponsored entities 135,058 2,461 (193 ) 137,326 Other 686 139 — 825 Total available-for-sale investment securities $ 1,307,427 $ 8,597 $ (11,133 ) $ 1,304,891 Amortized Gross Gross Fair (Dollars in thousands) December 31, 2016 Held-to-Maturity: Mortgage-backed securities: Residential-U.S. Government sponsored entities $ 124,082 $ 92 $ (2,474 ) $ 121,700 Commercial-U.S. Government sponsored entities 93,586 — (920 ) 92,666 Total held-to-maturity investment securities $ 217,668 $ 92 $ (3,394 ) $ 214,366 Available-for-Sale: Debt securities: States and political subdivisions $ 184,836 $ 2,002 $ (1,797 ) $ 185,041 Corporate securities 98,596 974 (181 ) 99,389 Mortgage-backed securities: Residential-U.S. Government sponsored entities 775,803 3,698 (9,515 ) 769,986 Residential-Non-government sponsored entities 51,681 627 (761 ) 51,547 Commercial-Non-government sponsored entities 135,248 2,387 (411 ) 137,224 Other 564 96 — 660 Total available-for-sale investment securities $ 1,246,728 $ 9,784 $ (12,665 ) $ 1,243,847 The amortized cost and estimated fair value of our investment securities at December 31, 2017 by contractual maturity are shown below. Actual maturities may differ from contractual maturities as issuers have the right to call or prepay obligations with or without call or prepayment penalties. Securities not due at a single maturity date are shown separately. December 31, 2017 Amortized Cost Fair Value (Dollars in thousands) Held-to-Maturity: Mortgage-backed securities: Residential-U.S. Government-sponsored entities $ 100,279 $ 98,163 Commercial-U.S. Government-sponsored entities 91,474 91,038 Total held-to-maturity investment securities $ 191,753 $ 189,201 Available-for-Sale: Due in one year or less $ 8,796 $ 8,799 Due after one year through five years 165,356 166,447 Due after five years through ten years 40,762 41,166 Due after ten years 62,836 63,157 Mortgage-backed securities Residential-U.S. Government-sponsored entities 808,242 800,683 Residential-Non-government agencies 45,679 46,763 Commercial-U.S. Government agencies and sponsored entities 40,012 39,725 Commercial-Non-government agencies 135,058 137,326 Other 686 825 Total available-for-sale investment securities $ 1,307,427 $ 1,304,891 In the second quarter of 2017, we completed an investment portfolio repositioning strategy designed to enhance potential prospective earnings and improve net interest margin. In connection with the repositioning, we sold $97.7 million in lower-yielding available-for-sale securities, and purchased $97.4 million in higher-yielding, longer duration investment securities. The investment securities sold had a duration of 3.3 years and an average yield of 1.91% . Gross proceeds of the sale of $96.0 million were immediately reinvested back into investment securities with a duration of 4.6 years and an average yield of 2.57% . The new securities were classified in the available-for-sale portfolio. There were no gross realized gains on the sale of the investment securities. Gross realized losses on the sale of the investment securities were $1.6 million . The specific identification method was used as the basis for determining the cost of all securities sold. There were no investment security sales in 2016 . In the second quarter of 2015, we completed an investment portfolio repositioning strategy designed to reduce net interest income volatility and enhance the potential prospective earnings and an improved net interest margin. In connection with the repositioning, we sold $119.4 million in lower-yielding available-for-sale non-agency collateralized mortgage obligation securities, and purchased $120.6 million in higher yielding, longer duration mortgage-backed securities. The securities sold had an average net yield of 1.35% and a weighted average life of 4.4 years. Gross proceeds of the sale of $117.5 million were reinvested into agency mortgage-backed securities with an average net yield of 2.71% and weighted average life of 7.6 years. The new securities were classified in the available-for-sale portfolio. There were no gross realized gains on the sale of the available-for-sale investment securities. Gross realized losses on the sale of the available-for-sale investment securities were $1.9 million . The specific identification method was used as the basis for determining the cost of all securities sold. Investment securities of $1.08 billion and $1.05 billion at December 31, 2017 and 2016 , respectively, were pledged to secure public funds on deposit and other long-term and short-term borrowings. At December 31, 2017 and 2016 , there were no holdings of securities of any one issuer, other than the U.S. Government and its agencies, in an amount greater than 10% of shareholders' equity. There were a total of 223 and 242 securities in an unrealized or unrecognized loss position at December 31, 2017 and 2016 , respectively. The following table summarizes securities which were in an unrealized or unrecognized loss position at December 31, 2017 and 2016 , aggregated by major security type and length of time in a continuous unrealized or unrecognized loss position: Less Than 12 Months 12 Months or Longer Total Description of Securities Fair Unrealized Fair Unrealized Fair Unrealized (Dollars in thousands) December 31, 2017 Debt securities: States and political subdivisions $ 53,811 $ (305 ) $ 15,403 $ (414 ) $ 69,214 $ (719 ) Corporate securities — — 5,307 (76 ) 5,307 (76 ) U.S. Treasury obligations and direct obligations of U.S Government agencies 10,740 (69 ) — — 10,740 (69 ) Mortgage-backed securities: Residential-U.S. Government sponsored entities 335,883 (3,372 ) 340,219 (8,639 ) 676,102 (12,011 ) Commercial-U.S. Government sponsored entities 130,763 (723 ) — — 130,763 (723 ) Commercial-Non-government sponsored entities 28,490 (193 ) — — 28,490 (193 ) Total temporarily impaired securities $ 559,687 $ (4,662 ) $ 360,929 $ (9,129 ) $ 920,616 $ (13,791 ) Less Than 12 Months 12 Months or Longer Total Description of Securities Fair Unrealized Fair Unrealized Fair Unrealized (Dollars in thousands) December 31, 2016 Debt securities: States and political subdivisions $ 85,288 $ (1,797 ) $ — $ — $ 85,288 $ (1,797 ) Corporate securities 20,357 (181 ) — — 20,357 (181 ) Mortgage-backed securities: Residential-U.S. Government sponsored entities 648,923 (11,766 ) 3,978 (223 ) 652,901 (11,989 ) Residential-Non-government sponsored entities 30,596 (761 ) — — 30,596 (761 ) Commercial-U.S. Government sponsored entities 92,666 (920 ) — — 92,666 (920 ) Commercial-Non-government sponsored entities 52,880 (411 ) — — 52,880 (411 ) Total temporarily impaired securities $ 930,710 $ (15,836 ) $ 3,978 $ (223 ) $ 934,688 $ (16,059 ) The unrealized losses on the Company's investment securities were caused by market conditions. Investment securities are evaluated on a quarterly basis, and include evaluating the changes in the investment securities' ratings issued by rating agencies and changes in the financial condition of the issuer, and for mortgage related securities, delinquency and loss information with respect to the underlying collateral, changes in levels of subordination for the Company's particular position within the repayment structure, and remaining credit enhancement as compared to projected credit losses of the security. All of these investment securities continue to be investment grade rated by one or more major rating agencies. Other-than-temporary impairment ("OTTI") Unrealized losses for all investment securities are reviewed to determine whether the losses are "other-than-temporary." Investment securities are evaluated for OTTI on at least a quarterly basis and more frequently when economic or market conditions warrant such an evaluation to determine whether a decline in their value below amortized cost is other-than-temporary. In conducting this assessment, we evaluate a number of factors including, but not limited to: • The length of time and the extent to which fair value has been less than the amortized cost basis; • Adverse conditions specifically related to the security, an industry, or a geographic area; • The historical and implied volatility of the fair value of the security; • The payment structure of the debt security and the likelihood of the issuer being able to make payments; • Failure of the issuer to make scheduled interest or principal payments; • Any rating changes by a rating agency; and • Recoveries or additional decline in fair value subsequent to the balance sheet date. The term "other-than-temporary" is not intended to indicate that the decline is permanent, but indicates that the prospects for a near-term recovery of value are not necessarily favorable, or that there is a general lack of evidence to support a realizable value equal to or greater than the carrying value of the investment. Once a decline in value is determined to be other-than-temporary, the value of the security is reduced and a corresponding charge to earnings is recognized for anticipated credit losses. The declines in market value were primarily attributable to changes in interest rates and volatility in the credit and financial markets. Because we have no intent to sell securities in an unrealized loss position and it is not more likely than not that we will be required to sell such securities before recovery of its amortized cost basis, we do not consider our investments to be other-than-temporarily impaired.

LOANS AND LEASES

LOANS AND LEASES	12 Months Ended
	Dec. 31, 2017
Receivables [Abstract]
LOANS AND LEASES	4. LOANS AND LEASES Loans and leases, excluding loans held for sale, consisted of the following as of December 31, 2017 and 2016 : December 31, 2017 2016 (Dollars in thousands) Commercial, financial & agricultural $ 503,738 $ 509,987 Real estate: Construction 64,525 101,729 Residential mortgage 1,337,193 1,213,983 Home equity 412,230 361,210 Commercial mortgage 979,239 886,615 Consumer 470,819 448,610 Leases 362 677 Subtotal 3,768,106 3,522,811 Net deferred costs 2,509 2,079 Total loans and leases $ 3,770,615 $ 3,524,890 There are different types of risk characteristics for the loans in each portfolio segment. The construction and real estate segment's predominant risk characteristics are the collateral and the geographic location of the property collateralizing the loan, as well as the operating cash flow for the commercial real estate properties. The commercial and industrial (including leases) segment's predominant risk characteristics are the cash flows of the business we lend to, the global cash flows and liquidity of the guarantors of such losses, as well as economic and market conditions. The consumer segment's predominant risk characteristics are employment and income levels as they relate to the consumer. During the year ended December 31, 2017 , we transferred the collateral in one portfolio loan with a carrying value of $0.1 million to other real estate. We did not transfer any loans to the held-for-sale category during the year ended December 31, 2017 . In addition, we did not sell any portfolio loans during the year ended December 31, 2017 . In 2017, we purchased three auto loan portfolios totaling $83.8 million , which included a $2.3 million premium over the $81.4 million outstanding balance. At the time of purchase, the auto loan portfolios had a weighted average remaining term of 70 months . During the year ended December 31, 2016 , we transferred the collateral in two portfolio loans with a carrying value of $1.3 million to other real estate. We did not transfer any loans to the held-for-sale category during the year ended December 31, 2016 . In addition, we did not sell any portfolio loans during the year ended December 31, 2016 . In 2016, we purchased two auto loan portfolios totaling $41.2 million , which included a $0.9 million premium over the $40.3 million outstanding balance. At the time of purchase, the auto loan portfolios had a weighted average remaining term of 64 months . In 2016, we also purchased two unsecured consumer loan portfolios totaling $35.7 million , which represented the outstanding balance at the time of purchases. At the time of purchases, the unsecured consumer loans had a weighted average remaining term of 38 months . In the normal course of business, our bank makes loans to certain directors, executive officers and their affiliates. These loans are made in the ordinary course of business at normal credit terms. As of December 31, 2017 and December 31, 2016 , related party loan balances were $32.2 million and $17.1 million , respectively. Impaired Loans The following tables present by class, the balance in the Allowance and the recorded investment in loans and leases based on the Company's impairment method as of December 31, 2017 and 2016 : Real Estate Comml., Constr. Resi. Home Comml. Consumer Leases Total (Dollars in thousands) December 31, 2017 Allowance: Individually evaluated for impairment $ — $ — $ — $ — $ — $ — $ — $ — Collectively evaluated for impairment 7,594 1,835 14,328 3,317 16,801 6,126 — 50,001 Total ending balance $ 7,594 $ 1,835 $ 14,328 $ 3,317 $ 16,801 $ 6,126 $ — $ 50,001 Loans and leases: Individually evaluated for impairment $ 491 $ 2,597 $ 13,862 $ 416 $ 3,914 $ — $ — $ 21,280 Collectively evaluated for impairment 503,247 61,928 1,323,331 411,814 975,325 470,819 362 3,746,826 Subtotal 503,738 64,525 1,337,193 412,230 979,239 470,819 362 3,768,106 Net deferred costs (income) 281 (285 ) 4,028 — (1,442 ) (73 ) — 2,509 Total ending balance $ 504,019 $ 64,240 $ 1,341,221 $ 412,230 $ 977,797 $ 470,746 $ 362 $ 3,770,615 Real Estate Comml., Constr. Resi. Home Comml. Consumer Leases Unallocated Total (Dollars in thousands) December 31, 2016 Allowance: Individually evaluated for impairment $ — $ — $ — $ — $ — $ — $ — $ — $ — Collectively evaluated for impairment 8,637 4,224 15,055 3,502 19,104 6,109 — — 56,631 Total ending balance $ 8,637 $ 4,224 $ 15,055 $ 3,502 $ 19,104 $ 6,109 $ — $ — $ 56,631 Loans and leases: Individually evaluated for impairment $ 1,877 $ 2,936 $ 19,940 $ 333 $ 5,637 $ — $ — $ — $ 30,723 Collectively evaluated for impairment 508,110 98,793 1,194,043 360,877 880,978 448,610 677 — 3,492,088 Subtotal 509,987 101,729 1,213,983 361,210 886,615 448,610 677 — 3,522,811 Net deferred costs (income) 453 (191 ) 3,251 (1 ) (1,176 ) (257 ) — — 2,079 Total ending balance $ 510,440 $ 101,538 $ 1,217,234 $ 361,209 $ 885,439 $ 448,353 $ 677 $ — $ 3,524,890 The following table presents by class, impaired loans as of December 31, 2017 and 2016 : December 31, 2017 December 31, 2016 Unpaid Recorded Allowance Unpaid Recorded Allowance (Dollars in thousands) Impaired loans with no related Allowance recorded: Commercial, financial & agricultural $ 602 $ 491 $ — $ 1,988 $ 1,877 $ — Real estate: Construction 7,947 2,597 — 9,056 2,936 — Residential mortgage 14,920 13,862 — 21,568 19,940 — Home equity 416 416 — 333 333 — Commercial mortgage 3,914 3,914 — 5,637 5,637 — Total impaired loans with no related Allowance recorded 27,799 21,280 — 38,582 30,723 — Total impaired loans $ 27,799 $ 21,280 $ — $ 38,582 $ 30,723 $ — The following table presents by class, the average recorded investment and interest income recognized on impaired loans during the years ended December 31, 2017 , 2016 and 2015 : Year Ended Year Ended Year Ended December 31, 2017 December 31, 2016 December 31, 2015 Average Interest Average Interest Average Interest (Dollars in thousands) Commercial, financial & agricultural $ 1,272 $ 24 $ 1,891 $ 10 $ 6,273 $ 17 Real estate: Construction 2,760 99 3,509 123 4,428 190 Residential mortgage 17,122 1,843 21,809 236 25,556 60 Home equity 1,213 69 472 17 545 18 Commercial mortgage 4,893 313 8,537 321 14,240 373 Total $ 27,260 $ 2,348 $ 36,218 $ 707 $ 51,042 $ 658 For the years ended December 31, 2017 , 2016 and 2015 , the amount of interest income recognized on impaired loans within the period that the loans were impaired were primarily related to loans modified in a troubled debt restructuring ("TDR") that were on accrual status. For the years ended December 31, 2017 , 2016 and 2015 , the amount of interest income recognized using a cash-based method of accounting during the period that the loans were impaired was not material. Foreclosure Proceedings The Company had $40 thousand and $0.3 million of residential mortgage loans collateralized by residential real estate property that were in the process of foreclosure at December 31, 2017 and 2016 , respectively. Aging Analysis of Accruing and Non-Accruing Loans and Leases For all loan types, the Company determines delinquency status by considering the number of days full payments required by the contractual terms of the loan are past due. The following tables present by class, the aging of the recorded investment in past due loans and leases as of December 31, 2017 and 2016 : Accruing Accruing Accruing Loans Greater Than 90 Days Past Due Nonaccrual Total Loans and Total (Dollars in thousands) December 31, 2017 Commercial, financial & agricultural $ 410 $ 355 $ — $ — $ 765 $ 503,254 $ 504,019 Real estate: Construction — — — — — 64,240 64,240 Residential mortgage 4,037 2,127 49 2,280 8,493 1,332,728 1,341,221 Home equity 105 264 — 416 785 411,445 412,230 Commercial mortgage — — — 79 79 977,718 977,797 Consumer 2,126 1,056 515 — 3,697 467,049 470,746 Leases — — — — — 362 362 Total $ 6,678 $ 3,802 $ 564 $ 2,775 $ 13,819 $ 3,756,796 $ 3,770,615 Accruing Accruing Accruing Loans Greater Than 90 Days Past Due Nonaccrual Total Loans and Total (Dollars in thousands) December 31, 2016 Commercial, financial & agricultural $ 761 $ 80 $ — $ 1,877 $ 2,718 $ 507,722 $ 510,440 Real estate: Construction — — — — — 101,538 101,538 Residential mortgage 5,014 478 — 5,322 10,814 1,206,420 1,217,234 Home equity 43 280 1,120 333 1,776 359,433 361,209 Commercial mortgage 127 — — 864 991 884,448 885,439 Consumer 1,382 625 271 — 2,278 446,075 448,353 Leases — — — — — 677 677 Total $ 7,327 $ 1,463 $ 1,391 $ 8,396 $ 18,577 $ 3,506,313 $ 3,524,890 Interest income totaling $2.6 million , $0.6 million , and $0.5 million was recognized on nonaccrual loans, including loans held for sale, in 2017 , 2016 and 2015 , respectively. Additional interest income of $0.4 million , $1.2 million , and $1.5 million would have been recognized in 2017 , 2016 and 2015 , respectively, had these loans been accruing interest throughout those periods. Additionally, interest income of $0.8 million , $1.3 million , and $0.8 million was collected and recognized on charged-off loans in 2017 , 2016 and 2015 , respectively. Modifications TDRs included in nonperforming assets at December 31, 2017 consisted of six Hawaii residential mortgage loans with a combined principal balance of $0.6 million . Concessions made to the original contractual terms of these loans consisted primarily of the deferral of interest and/or principal payments due to deterioration in the borrowers' financial condition. The principal balances on these TDRs had matured and/or were in default at the time of restructure and we have no commitments to lend additional funds to any of these borrowers. At December 31, 2016 , TDRs included in nonperforming assets consisted of 24 loans with a combined principal balance of $3.6 million . There were $12.6 million of TDRs still accruing interest at December 31, 2017 , none of which were more than 90 days delinquent. At December 31, 2016 , there were $16.2 million of TDRs still accruing interest, none of which were more than 90 days delinquent. Some loans modified in a TDR may already be on nonaccrual status and partial charge-offs may have already been taken against the outstanding loan balance. Thus, these loans have already been identified as impaired and have already been evaluated under the Company's Allowance methodology. As a result, some loans modified in a TDR may have the financial effect of increasing the specific allowance associated with the loan. The loans modified in a TDR did not have a material effect on our Provision and Allowance during the years ended December 31, 2017 and 2016 . The following table presents by class, information related to loans modified in a TDR during the years ended December 31, 2017 and 2016 : Year Ended December 31, 2017 Year Ended December 31, 2016 Number of Recorded Increase in Number of Recorded Increase in (Dollars in thousands) Commercial, financial & agricultural — $ — $ — — $ — $ — Real estate: Residential mortgage 3 104 — 3 282 — Total 3 104 — 3 282 — No loans were modified as a TDR within the previous twelve months that subsequently defaulted during the years ended December 31, 2017 and 2016 . Credit Quality Indicators The Company categorizes loans and leases into risk categories based on relevant information about the ability of borrowers to service their debt such as: current financial information, historical payment experience, credit documentation, public information, and current economic trends, among other factors. The Company analyzes loans and leases individually by classifying the loans and leases as to credit risk. This analysis includes non-homogeneous loans and leases, such as commercial and commercial real estate loans. This analysis is performed on a quarterly basis. The Company uses the following definitions for risk ratings: Special Mention. Loans and leases classified as special mention, while still adequately protected by the borrower's capital adequacy and payment capability, exhibit distinct weakening trends and/or elevated levels of exposure to external conditions. If left unchecked or uncorrected, these potential weaknesses may result in deteriorated prospects of repayment. These exposures require management's close attention so as to avoid becoming undue or unwarranted credit exposures. Substandard. Loans and leases classified as substandard are inadequately protected by the borrower's current financial condition and payment capability or of the collateral pledged, if any. Loans and leases so classified have a well-defined weakness or weaknesses that jeopardize the orderly repayment of debt. They are characterized by the distinct possibility that the bank will sustain some loss if the deficiencies are not corrected. Doubtful. Loans and leases classified as doubtful have all the weaknesses inherent in those classified as substandard, with the added characteristic that the weaknesses make collection or orderly repayment in full, on the basis of current existing facts, conditions and values, highly questionable and improbable. Possibility of loss is extremely high, but because of certain important and reasonably specific factors that may work to the advantage and strengthening of the exposure, its classification as an estimate loss is deferred until its more exact status may be determined. Loss. Loans and leases classified as loss are considered to be non-collectible and of such little value that their continuance as bankable assets is not warranted. This does not mean the loan has absolutely no recovery value, but rather it is neither practical nor desirable to defer writing off the loan, even though partial recovery may be obtained in the future. Losses are taken in the period in which they surface as uncollectible. Loans and leases not meeting the criteria above are considered to be pass rated loans and leases. The following tables present by class and credit indicator, the recorded investment in the Company's loans and leases as of December 31, 2017 and 2016 : Pass Special Substandard Loss Subtotal Net Total (Dollars in thousands) December 31, 2017 Commercial, financial & agricultural $ 474,995 $ 7,543 $ 21,200 $ — $ 503,738 $ 281 $ 504,019 Real estate: Construction 55,646 8,879 — — 64,525 (285 ) 64,240 Residential mortgage 1,334,760 — 2,433 — 1,337,193 4,028 1,341,221 Home equity 411,814 — 416 — 412,230 — 412,230 Commercial mortgage 955,865 12,735 10,639 — 979,239 (1,442 ) 977,797 Consumer 470,243 — 305 271 470,819 (73 ) 470,746 Leases 362 — — — 362 — 362 Total $ 3,703,685 $ 29,157 $ 34,993 $ 271 $ 3,768,106 $ 2,509 $ 3,770,615 Pass Special Substandard Loss Subtotal Net Total (Dollars in thousands) December 31, 2016 Commercial, financial & agricultural $ 502,305 $ 2,632 $ 5,050 $ — $ 509,987 $ 453 $ 510,440 Real estate: Construction 91,812 9,896 21 — 101,729 (191 ) 101,538 Residential mortgage 1,208,552 109 5,322 — 1,213,983 3,251 1,217,234 Home equity 359,757 — 1,453 — 361,210 (1 ) 361,209 Commercial mortgage 852,872 18,845 14,898 — 886,615 (1,176 ) 885,439 Consumer 448,262 — 190 158 448,610 (257 ) 448,353 Leases 677 — — — 677 — 677 Total $ 3,464,237 $ 31,482 $ 26,934 $ 158 $ 3,522,811 $ 2,079 $ 3,524,890 In accordance with applicable Interagency Guidance issued by our primary bank regulators, we define subprime borrowers as typically having weakened credit histories that include payment delinquencies and possibly more severe problems such as charge-offs, judgments, and bankruptcies. They may also display reduced repayment capacity as measured by credit scores, debt-to-income ratios, or other criteria that may encompass borrowers with incomplete credit histories. Subprime loans are loans to borrowers displaying one or more of these characteristics at the time of origination or purchase. Such loans have a higher risk of default than loans to prime borrowers. At December 31, 2017 and 2016 , we did not have any loans that we considered to be subprime.

ALLOWANCE FOR LOAN AND LEASE LO

ALLOWANCE FOR LOAN AND LEASE LOSSES	12 Months Ended
	Dec. 31, 2017
Receivables [Abstract]
ALLOWANCE FOR LOAN AND LEASE LOSSES	5. ALLOWANCE FOR LOAN AND LEASE LOSSES The following tables present by class, the activity in the Allowance for the periods indicated: Real Estate Commercial, Construction Residential Home Commercial Consumer Leases Unallocated Total (Dollars in thousands) Year ended December 31, 2017 Beginning balance $ 8,637 $ 4,224 $ 15,055 $ 3,502 $ 19,104 $ 6,109 $ — $ — $ 56,631 Provision (credit) for loan and lease losses (705 ) (2,558 ) (1,533 ) (229 ) (2,460 ) 4,811 — — (2,674 ) 7,932 1,666 13,522 3,273 16,644 10,920 — — 53,957 Charge-offs 1,704 — 73 — — 6,294 — — 8,071 Recoveries 1,366 169 879 44 157 1,500 — — 4,115 Net charge-offs (recoveries) 338 (169 ) (806 ) (44 ) (157 ) 4,794 — — 3,956 Ending balance $ 7,594 $ 1,835 $ 14,328 $ 3,317 $ 16,801 $ 6,126 $ — $ — $ 50,001 Real Estate Commercial, Construction Residential Home Commercial Consumer Leases Unallocated Total (Dollars in thousands) Year ended December 31, 2016 Beginning balance $ 6,905 $ 8,454 $ 14,642 $ 3,096 $ 21,847 $ 6,230 $ — $ 2,140 $ 63,314 Provision (credit) for loan and lease losses 1,217 (4,363 ) (282 ) 391 (3,558 ) 3,218 — (2,140 ) (5,517 ) 8,122 4,091 14,360 3,487 18,289 9,448 — — 57,797 Charge-offs 1,599 — — — 209 5,054 — — 6,862 Recoveries 2,114 133 695 15 1,024 1,715 — — 5,696 Net charge-offs (recoveries) (515 ) (133 ) (695 ) (15 ) (815 ) 3,339 — — 1,166 Ending balance $ 8,637 $ 4,224 $ 15,055 $ 3,502 $ 19,104 $ 6,109 $ — $ — $ 56,631 Real Estate Commercial, Construction Residential Home Commercial Consumer Leases Unallocated Total (Dollars in thousands) Year ended December 31, 2015 Beginning balance $ 8,954 $ 14,969 $ 15,031 $ 2,896 $ 20,869 $ 7,314 $ 7 $ 4,000 $ 74,040 Provision (credit) for loan and lease losses (1,179 ) (7,395 ) (1,510 ) (746 ) (4,903 ) 1,956 (34 ) (1,860 ) (15,671 ) 7,775 7,574 13,521 2,150 15,966 9,270 (27 ) 2,140 58,369 Charge-offs 5,658 — — 110 838 4,650 — — 11,256 Recoveries 4,788 880 1,121 1,056 6,719 1,610 27 — 16,201 Net charge-offs 870 (880 ) (1,121 ) (946 ) (5,881 ) 3,040 (27 ) — (4,945 ) Ending balance $ 6,905 $ 8,454 $ 14,642 $ 3,096 $ 21,847 $ 6,230 $ — $ 2,140 $ 63,314 In accordance with GAAP, loans held for sale and other real estate assets are not included in our assessment of the Allowance. Changes in the allowance for loan and lease losses for impaired loans (included in the above amounts) were as follows: Year Ended December 31, 2017 2016 2015 (Dollars in thousands) Balance, beginning of year $ — $ 51 $ 1,533 Provision for loan and lease losses — — 51 Other changes — (51 ) (1,533 ) Balance, end of year $ — $ — $ 51 The amounts included in other changes above represent net charge-offs and net transfers of allocated allowances for loans and leases that were not classified as impaired for the entire year. At December 31, 2017 and 2016 , all impaired loans were measured based on the fair value of the underlying collateral for collateral-dependent loans, at the loan's observable market price, or the net present value of future cash flows, as appropriate. In determining the amount of our Allowance, we rely on an analysis of our loan portfolio, our experience and our evaluation of general economic conditions, as well as regulatory requirements and input. If our assumptions prove to be incorrect, our current Allowance may not be sufficient to cover future loan losses and we may experience significant increases to our Provision.

SECURITIZATIONS

SECURITIZATIONS	12 Months Ended
	Dec. 31, 2017
Transfers and Servicing [Abstract]
SECURITIZATIONS	6. SECURITIZATIONS In prior years, we securitized certain residential mortgage loans with a U.S. Government sponsored entity and continue to service the residential mortgage loans. The servicing assets were recorded at their respective fair values which equaled par value at the time of securitization. All unsold mortgage-backed securities from prior securitizations were categorized as available for sale securities and were therefore recorded at their fair value of $1.5 million and $2.0 million at December 31, 2017 and 2016 , respectively. The fair values of these mortgage-backed securities were based on quoted prices of similar instruments in active markets. Unrealized gains of $0.1 million and $0.1 million on unsold mortgage-backed securities were recorded in AOCI at December 31, 2017 and 2016 , respectively.

PREMISES AND EQUIPMENT

PREMISES AND EQUIPMENT	12 Months Ended
	Dec. 31, 2017
Property, Plant and Equipment [Abstract]
PREMISES AND EQUIPMENT	7. PREMISES AND EQUIPMENT Premises and equipment consisted of the following as of December 31, 2017 and 2016 : December 31, 2017 2016 (Dollars in thousands) Land $ 8,309 $ 8,309 Office buildings and improvements 100,314 96,898 Furniture, fixtures and equipment 37,132 34,191 Gross premises and equipment 145,755 139,398 Accumulated depreciation and amortization (97,407 ) (91,140 ) Net premises and equipment $ 48,348 $ 48,258 Depreciation and amortization of premises and equipment were charged to the following operating expenses: Year Ended December 31, 2017 2016 2015 (Dollars in thousands) Net occupancy $ 3,880 $ 4,097 $ 3,997 Equipment 2,561 1,952 1,873 Total $ 6,441 $ 6,049 $ 5,870

INVESTMENTS IN UNCONSOLIDATED S

INVESTMENTS IN UNCONSOLIDATED SUBSIDIARIES	12 Months Ended
	Dec. 31, 2017
Investments in and Advances to Affiliates, Schedule of Investments [Abstract]
INVESTMENTS IN UNCONSOLIDATED SUBSIDIARIES	8. INVESTMENTS IN UNCONSOLIDATED SUBSIDIARIES Investments in unconsolidated subsidiaries as of December 31, 2017 and 2016 consisted of the following components: December 31, 2017 2016 (Dollars in thousands) Investments in low income housing tax credit partnerships $ 3,608 $ 3,353 Trust preferred investments 2,792 2,792 Investments in affiliates 634 690 Other 54 54 Total $ 7,088 $ 6,889 The Company had $2.6 million and $1.7 million in unfunded low income housing commitments as of December 31, 2017 and 2016 , respectively. The expected payments for the unfunded low income housing commitments as of December 31, 2017 are as follows (in thousands): Year Ending December 31: 2018 $ 1,881 2019 700 2020 — 2021 — 2022 — Thereafter — Total commitments $ 2,581 Investments in low income housing tax credit ("LIHTC") partnerships are accounted for using the cost method. The following table presents amortization expense and tax credits recognized associated with our investments in LIHTC partnerships for the periods presented: Year Ended December 31, 2017 2016 2015 (Dollars in thousands) Cost method: Amortization expense recognized in other operating expense $ 744 $ 1,045 $ 1,078 Federal and state tax credits recognized in income tax expense 919 1,174 1,225

OTHER INTANGIBLE ASSETS

OTHER INTANGIBLE ASSETS	12 Months Ended
	Dec. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]
OTHER INTANGIBLE ASSETS	9. CORE DEPOSIT PREMIUM AND MORTGAGE SERVICING RIGHTS The following table presents changes in our core deposit premium and mortgage servicing rights for the periods presented: Core Mortgage Total (Dollars in thousands) Balance as of December 31, 2015 $ 7,355 $ 17,797 $ 25,152 Additions — 3,048 3,048 Amortization (2,675 ) (5,066 ) (7,741 ) Balance as of December 31, 2016 $ 4,680 $ 15,779 $ 20,459 Additions — 2,352 2,352 Amortization (2,674 ) (2,288 ) (4,962 ) Balance as of December 31, 2017 $ 2,006 $ 15,843 $ 17,849 The gross carrying value, accumulated amortization and net carrying value related to our core deposit premium and mortgage servicing rights are presented below: December 31, 2017 December 31, 2016 Gross Accumulated Net Gross Accumulated Net (Dollars in thousands) Core deposit premium $ 44,642 $ (42,636 ) $ 2,006 $ 44,642 $ (39,962 ) $ 4,680 Mortgage servicing rights 64,401 (48,558 ) 15,843 62,049 (46,270 ) 15,779 Total $ 109,043 $ (91,194 ) $ 17,849 $ 106,691 $ (86,232 ) $ 20,459 Based on our core deposit premium and mortgage servicing rights held as of December 31, 2017 , estimated amortization expense for the next five succeeding fiscal years and all years thereafter are as follows: Estimated Amortization Expense Core Deposit Mortgage Total (Dollars in thousands) 2018 $ 2,006 $ 2,171 $ 4,177 2019 — 1,705 1,705 2020 — 1,407 1,407 2021 — 1,183 1,183 2022 — 990 990 Thereafter — 8,387 8,387 Total $ 2,006 $ 15,843 $ 17,849 At December 31, 2017 , there were no events or changes in circumstances that would indicate that the assets assigned to our Banking Operations segment, which includes the entire core deposit premium, were not recoverable. We utilize the amortization method to measure our mortgage servicing rights. Under the amortization method, we amortize our mortgage servicing rights in proportion to and over the period of net servicing income. Income generated as the result of new mortgage servicing rights is reported as a component of mortgage banking income and totaled $2.4 million , $3.0 million , and $2.3 million in 2017 , 2016 and 2015 , respectively. Amortization of the servicing rights is reported as a component of mortgage banking income in our consolidated statements of income. Ancillary income is recorded in other income. Mortgage servicing rights are recorded when loans are sold to third-parties with servicing of those loans retained and we classify our entire mortgage servicing rights into one class. Initial fair value of the servicing right is calculated by a discounted cash flow model prepared by a third-party service provider based on market value assumptions at the time of origination and we assess the servicing right for impairment using current market value assumptions at each reporting period. Critical assumptions used in the discounted cash flow model include mortgage prepayment speeds, discount rates, costs to service and ancillary income. Variations in our assumptions could materially affect the estimated fair values. Changes to our assumptions are made when current trends and market data indicate that new trends have developed. Current market value assumptions based on loan product types (fixed-rate, adjustable-rate and balloon loans) include average discount rates, servicing costs and ancillary income. Many of these assumptions are subjective and require a high level of management judgment. Our mortgage servicing rights portfolio and valuation assumptions are periodically reviewed by management. Prepayment speeds may be affected by economic factors such as home price appreciation, market interest rates, the availability of other credit products to our borrowers and customer payment patterns. Prepayment speeds include the impact of all borrower prepayments, including full payoffs, additional principal payments and the impact of loans paid off due to foreclosure liquidations. As market interest rates decline, prepayment speeds will generally increase as customers refinance existing mortgages under more favorable interest rate terms. As prepayment speeds increase, anticipated cash flows will generally decline resulting in a potential reduction, or impairment, to the fair value of the capitalized mortgage servicing rights. Alternatively, an increase in market interest rates may cause a decrease in prepayment speeds and therefore an increase in fair value of mortgage servicing rights. The following table presents the fair market value and key assumptions used in determining the fair market value of our mortgage servicing rights: Year Ended December 31, 2017 2016 (Dollars in thousands) Fair market value, beginning of period $ 18,087 $ 18,345 Fair market value, end of period 17,161 18,087 Weighted average discount rate 9.5 % 9.5 % Weighted average prepayment speed assumption 16.0 % 14.3 % Loans serviced for others as of December 31, 2017 and 2016 totaled $2.08 billion and $2.12 billion , respectively. Loans serviced for others are not reported as assets on the Company's consolidated balance sheets.

DERIVATIVES

DERIVATIVES	12 Months Ended
	Dec. 31, 2017
Derivative Instruments and Hedging Activities Disclosure [Abstract]
DERIVATIVES	10. DERIVATIVES We utilize various designated and undesignated derivative financial instruments to reduce our exposure to movements in interest rates including interest rate swaps, interest rate lock commitments and forward sale commitments. We measure all derivatives at fair value on our consolidated balance sheet. At each reporting period, we record the derivative instruments in other assets or other liabilities depending on whether the derivatives are in an asset or liability position. For derivative instruments that are designated as hedging instruments, we record the effective portion of the changes in the fair value of the derivative in AOCI, net of tax, until earnings are affected by the variability of cash flows of the hedged transaction. We immediately recognize the portion of the gain or loss in the fair value of the derivative that represents hedge ineffectiveness in current period earnings. For derivative instruments that are not designated as hedging instruments, changes in the fair value of the derivative are included in current period earnings. We had no derivative instruments designated as hedging instruments as of December 31, 2017 . Interest Rate Lock and Forward Sale Commitments We enter into interest rate lock commitments on certain mortgage loans that are intended to be sold. To manage interest rate risk on interest rate lock commitments, we also enter into forward loan sale commitments. The interest rate lock and forward loan sale commitments are accounted for as undesignated derivatives and are recorded at their respective fair values in other assets or other liabilities, with changes in fair value recorded in current period earnings. These instruments serve to reduce our exposure to movements in interest rates. At December 31, 2017 , we were a party to interest rate lock and forward sale commitments on $2.5 million and $18.7 million of mortgage loans, respectively. At December 31, 2016 , we were a party to interest rate lock and forward sale commitments on $0.9 million and $32.5 million of mortgage loans, respectively. The following table presents the location of all assets and liabilities associated with our derivative instruments within the consolidated balance sheet: Asset Derivatives Liability Derivatives Derivatives not designated as Balance Sheet Fair Value at Fair Value at Fair Value at Fair Value at hedging instruments Location December 31, 2017 December 31, 2016 December 31, 2017 December 31, 2016 (Dollars in thousands) Interest rate lock and forward sale commitments Other assets / other liabilities $ 35 $ 260 $ 49 $ 118 The following tables present the impact of derivative instruments and their location within the consolidated statements of income: Derivatives not in Cash Flow Location of Gain (Loss) Amount of Gain (Loss) (Dollars in thousands) Year ended December 31, 2017 Interest rate lock and forward sale commitments Mortgage banking income $ (156 ) Year ended December 31, 2016 Interest rate lock and forward sale commitments Mortgage banking income 83

DEPOSITS

DEPOSITS	12 Months Ended
	Dec. 31, 2017
Deposits [Abstract]
DEPOSITS	11. DEPOSITS Time deposits that meet or exceed the FDIC insurance limit of $250,000 totaled $871.3 million and $798.9 million at December 31, 2017 and 2016 , respectively. Contractual maturities of time deposits of $250,000 or more as of December 31, 2017 were as follows (in thousands): Period Ending: Three months or less $ 527,762 Over three months through six months 202,367 Over six months through twelve months 49,764 2019 50,159 2020 34,602 2021 3,585 2022 3,070 Thereafter — Total $ 871,309 At December 31, 2017 and 2016 , overdrawn deposit accounts totaling $0.7 million and $0.7 million have been reclassified as loans on the consolidated balance sheets.

SHORT-TERM BORROWINGS

SHORT-TERM BORROWINGS	12 Months Ended
	Dec. 31, 2017
Short-term Debt [Abstract]
SHORT-TERM BORROWINGS	12. SHORT-TERM BORROWINGS The bank was a member of the Federal Home Loan Bank of Seattle until its merger with the Federal Home Loan Bank of Des Moines on June 1, 2015. We are now a member of the Federal Home Loan Bank of Des Moines (the "FHLB") and maintained a $1.50 billion line of credit, of which $1.47 billion remained available as of December 31, 2017 . At December 31, 2017 , short-term borrowings under this arrangement totaled $32.0 million . At December 31, 2016 , short-term borrowings under this arrangement totaled $135.0 million . At December 31, 2017 and 2016 , our bank had additional unused borrowings available at the Federal Reserve discount window of $73.0 million and $63.7 million , respectively. As of December 31, 2017 and 2016 , certain commercial real estate and commercial loans with a carrying value totaling $129.2 million and $129.9 million , respectively, were pledged as collateral on our line of credit with the Federal Reserve discount window. The Federal Reserve does not have the right to sell or repledge these loans. Interest expense on short-term borrowings were $0.2 million , $0.6 million and $0.3 million in 2017 , 2016 and 2015 , respectively. A summary of our short-term borrowings as of December 31, 2017 , 2016 and 2015 is as follows: Year Ended December 31, 2017 2016 2015 (Dollars in thousands) Amount outstanding at December 31 $ 32,000 $ 135,000 $ 69,000 Average amount outstanding during year 15,531 110,928 92,045 Highest month-end balance during year 69,000 226,000 157,000 Weighted average interest rate on balances outstanding at December 31 1.63 % 0.74 % 0.35 % Weighted average interest rate during year 1.18 % 0.52 % 0.28 %

LONG-TERM DEBT

LONG-TERM DEBT	12 Months Ended
	Dec. 31, 2017
Long-term Debt, Unclassified [Abstract]
LONG-TERM DEBT	13. LONG-TERM DEBT Long-term debt, which is based on original maturity, consisted of the following at December 31, 2017 and 2016 : December 31, 2017 2016 (Dollars in thousands) Subordinated debentures $ 92,785 $ 92,785 FHLB Advances There were no FHLB long-term advances outstanding as of December 31, 2017 and 2016 . At December 31, 2017 , our bank had FHLB advances available of approximately $1.47 billion , which was secured by certain real estate loans with a carrying value of $2.02 billion in accordance with the collateral provisions of the Advances, Pledge and Security Agreement with the FHLB. There was no interest expense on long-term FHLB advances in 2017 , 2016 and 2015 . Subordinated Debentures In October 2003, we created two wholly-owned statutory trusts, CPB Capital Trust II ("Trust II") and CPB Statutory Trust III ("Trust III"). Trust II issued $20.0 million in trust preferred securities bearing an interest rate of three-month LIBOR plus 2.85% and maturing on October 7, 2033. The principal assets of Trust II are $20.6 million of the Company's subordinated debentures with an identical interest rate and maturity as the Trust II trust preferred securities. Trust II issued $0.6 million of common securities to the Company. Trust III issued $20.0 million in trust preferred securities bearing an interest rate of three-month LIBOR plus 2.85% and maturing on December 17, 2033. The principal assets of Trust III are $20.6 million of the Company's subordinated debentures with an identical interest rate and maturity as the Trust III trust preferred securities. Trust III issued $0.6 million of common securities to the Company. In September 2004, we created a wholly-owned statutory trust, CPB Capital Trust IV ("Trust IV"). Trust IV issued $30.0 million in trust preferred securities bearing an interest rate of three-month LIBOR plus 2.45% and maturing on December 15, 2034. The principal assets of Trust IV are $30.9 million of the Company's subordinated debentures with an identical interest rate and maturity as the Trust IV trust preferred securities. Trust IV issued $0.9 million of common securities to the Company. In December 2004, we created a wholly-owned statutory trust, CPB Statutory Trust V ("Trust V"). Trust V issued $20.0 million in trust preferred securities bearing an interest rate of three-month LIBOR plus 1.87% and maturing on December 15, 2034. The principal assets of Trust V are $20.6 million of the Company's subordinated debentures with an identical interest rate and maturity as the Trust V trust preferred securities. Trust V issued $0.6 million of common securities to the Company. The trust preferred securities, the subordinated debentures that are the assets of Trusts II, III, IV and V and the common securities issued by Trusts II, III, IV and V are redeemable in whole or in part on any interest payment date on or after October 7, 2008 for Trusts II and III, and on or after December 15, 2009 for Trust IV and V, or at any time in whole but not in part within 90 days following the occurrence of certain events. Our obligations with respect to the issuance of the trust preferred securities constitute a full and unconditional guarantee by the Company of each trust's obligations with respect to its trust preferred securities. Subject to certain exceptions and limitations, we may elect from time to time to defer interest payments on the subordinated debentures, which would result in a deferral of distribution payments on the related trust preferred securities, for up to 20 consecutive quarterly periods without default or penalty. At December 31, 2017 , future principal payments on long-term debt based on final maturity are as follows (in thousands): Year Ending December 31: 2018 $ — 2019 — 2020 — 2021 — 2022 — Thereafter 92,785 Total $ 92,785

EQUITY

EQUITY	12 Months Ended
	Dec. 31, 2017
Equity [Abstract]
EQUITY	14. EQUITY As a Hawaii state-chartered bank, Central Pacific Bank may only pay dividends to the extent it has retained earnings as defined under Hawaii banking law ("Statutory Retained Earnings"), which differs from GAAP retained earnings. As of December 31, 2017 , the bank had Statutory Retained Earnings of $85.6 million . Dividends are payable at the discretion of the Board of Directors and there can be no assurance that the Board of Directors will continue to pay dividends at the same rate, or at all, in the future. Our ability to pay cash dividends to our shareholders is subject to restrictions under federal and Hawaii law, including restrictions imposed by the FRB and covenants set forth in various agreements we are a party to, including covenants set forth in our subordinated debentures. We repurchase shares of our common stock when we believe such repurchases are in the best interests of the Company. On May 20, 2014, our Board of Directors authorized the repurchase and retirement of up to $30.0 million of the Company's outstanding common stock (the "2014 Repurchase Plan"). In January 2015, our Board of Directors increased the authorization under the 2014 Repurchase Plan by $25.0 million . In March 2015, our Board of Directors increased the authorization under the 2014 Repurchase Plan by an additional $75.0 million . In the year ended December 31, 2015, we repurchased 4,122,881 shares of common stock, at a cost of $93.5 million , excluding fees and expenses, under the 2014 Repurchase Plan. In January 2016, the Board of Directors authorized the repurchase of up to $30.0 million of the Company's common stock from time to time in the open market or in privately negotiated transactions, pursuant to a newly authorized share repurchase program (the "2016 Repurchase Plan"). The 2016 Repurchase Plan replaces and supersedes in its entirety the 2014 Repurchase Plan previously approved by the Company's Board of Directors. In the year ended December 31, 2016, 796,822 shares of common stock, at a cost of $18.2 million , excluding fees and expenses, were repurchased under the 2016 Repurchase Plan. In January 2017, the Board of Directors authorized the repurchase of up to $30.0 million of the Company's common stock from time to time in the open market or in privately negotiated transactions, pursuant to a newly authorized share repurchase program (the "2017 Repurchase Plan"). The 2017 Repurchase Plan replaces and supersedes in its entirety the 2016 Repurchase Plan previously approved by the Company's Board of Directors. In January 2017, prior to the 2017 Repurchase Plan being approved, 1,750 shares of common stock, at a cost of $0.1 million , were repurchased under the 2016 Repurchase Plan. In November 2017, the Board of Directors authorized an increase in the share repurchase program authority by an additional $50.0 million (known henceforth as the "Repurchase Plan"). This amount is in addition to the $30.0 million in planned repurchases (the "2017 Repurchase Plan") authorized earlier this year. There is no expiration date on the Repurchase Plan. In the year ended December 31, 2017, 864,483 shares of common stock, at a cost of $26.6 million , excluding fees and expenses, were repurchased under the 2016 Repurchase Plan and the Repurchase Plan combined. A total of $53.5 million remained available for repurchase under the Repurchase Plan at December 31, 2017 .

SHARE-BASED COMPENSATION

SHARE-BASED COMPENSATION	12 Months Ended
	Dec. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
SHARE-BASED COMPENSATION	16. SHARE-BASED COMPENSATION In accordance with ASC 718, compensation expense is recognized only for those shares expected to vest, based on the Company's historical experience and future expectations. The following table summarizes the effects of share-based compensation for options and awards granted under the Company's equity incentive plans for each of the periods presented: Year Ended December 31, 2017 2016 2015 (Dollars in thousands) Salaries and employee benefits $ 3,266 $ 3,094 $ 4,181 Directors stock awards 150 97 78 Income tax benefit (1,903 ) (1,269 ) (1,694 ) Net share-based compensation effect $ 1,513 $ 1,922 $ 2,565 Upon exercise or vesting of a share-based award, if the tax deduction exceeds the compensation cost that was previously recorded for financial statement purposes, this will result in an excess tax benefit. Effective January 1, 2017, ASU 2016-09, " Compensation-Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting " requires the Company to recognize all excess tax benefits or tax deficiencies through the income statement as income tax expense/benefit. Under previous GAAP, any excess tax benefits were recognized in additional-paid-in-capital to offset current-period and subsequent-period tax deficiencies. During 2017, the Company recorded an income tax benefit of $0.5 million as a result of restricted stock units vesting during the year. The Company's share-based compensation arrangements are described below: Equity Incentive Plans We have adopted equity incentive plans for the purpose of granting options, restricted stock and other equity based awards for the Company's common stock to directors, officers and other key individuals. Option awards are generally granted with an exercise price equal to the market price of the Company's common stock at the date of grant; those option awards generally vest based on three or five years of continuous service and have 10 -year contractual terms. Certain option and share awards provide for accelerated vesting if there is a change in control (as defined in the stock option plans below). We have historically issued new shares of common stock upon exercises of stock options and purchases of restricted awards. In September 2004, we adopted and our shareholders approved the 2004 Stock Compensation Plan ("2004 Plan") making available 1,500,000 shares for grants to employees and directors. Upon adoption of the 2004 Plan, all unissued shares from the previous 1997 Plan were frozen and no new options were granted under the 1997 Plan. In May 2007, the 2004 Plan was amended to increase the number of shares available for grant by an additional 1,000,000 shares. In April 2011, the 2004 Plan was amended to increase the number of shares authorized from 1,402,589 to 4,944,831 . In April 2013, we adopted and our shareholders approved the 2013 Stock Compensation Plan ("2013 Plan") making available 2,200,000 shares for grants to employees and directors. Upon adoption of the 2013 Plan, all unissued shares from the 2004 Plan were frozen and no new grants will be granted under the 2004 Plan. Shares may continue to be settled under the 2004 Plan pursuant to previously outstanding awards. New shares are issued from the 2013 Plan. As of December 31, 2017 , 2016 and 2015 , a total of 1,567,912 , 1,671,752 and 1,922,130 shares, respectively, were available for future grants under our 2013 Plan. Stock Options The fair value of each option award is estimated on the date of grant based on the following: Valuation and amortization method— We estimate the fair value of stock options granted using the Black-Scholes option pricing formula and a single option award approach. We use historical data to estimate option exercise and employee termination activity within the valuation model; separate groups of employees that have similar historical exercise behavior are considered separately for valuation purposes. This fair value is then amortized on a straight-line basis over the requisite service periods of the awards, which is generally the vesting period. Expected life— The expected life of options represents the period of time that options granted are expected to be outstanding. Expected volatility— Expected volatilities are based on the historical volatility of the Company's common stock. Risk-free interest rate— The risk-free interest rate for periods within the contractual life of the option is based on the Treasury yield curve in effect at the time of grant. Expected dividend— The expected dividend assumption is based on our current expectations about our anticipated dividend policy. The following is a summary of option activity for our stock option plans for the year ended December 31, 2017 : Number Weighted Weighted Aggregate Stock options outstanding as of January 1, 2017 162,063 $ 24.95 Changes during the year: Granted — — Exercised — — Expired (1,175 ) 706.54 Forfeited (629 ) 210.50 Stock options outstanding as of December 31, 2017 160,259 $ 19.22 4.2 $ 2,410 Vested and exercisable as of December 31, 2017 160,259 $ 19.22 4.2 $ 2,410 The aggregate intrinsic value is calculated as the difference between the exercise price of the underlying option awards and the quoted price of the Company's common stock for the options that were in-the-money as of December 31, 2017 . There were no options exercised during the year ended December 31, 2017 . During the years ended December 31, 2016 and 2015 , the aggregate intrinsic value of options exercised under our stock option plan determined as of the date of exercise was $0.8 million and $0.2 million , respectively. As of December 31, 2017 , all compensation costs related to stock options granted to employees under our stock option plans have been recognized. As of December 31, 2017 , all shares have been vested. The total fair value of options vested during the years ended December 31, 2017 , 2016 and 2015 was $0.5 million , $0.4 million , and $0.4 million , respectively. No stock options were granted during the years ended December 31, 2017 , 2016 and 2015 . Restricted Stock Awards and Units Under the 1997, 2004 and 2013 Plans, we awarded restricted stock awards and units to our non-officer directors and certain senior management personnel. The awards typically vest over a three or five year period from the date of grant and are subject to forfeiture until performance and employment targets are achieved. Compensation expense is measured as the market price of the stock awards on the grant date, and is recognized over the specified vesting periods. As of December 31, 2017 , there was $7.0 million of total unrecognized compensation cost related to restricted stock awards and units that is expected to be recognized over a weighted-average period of 2.7 years . The table below presents the activity of restricted stock awards and units for each of the periods presented: Number Weighted Fair Value Unvested as of December 31, 2014 715,460 $ 15.77 Changes during the year: Granted 173,897 19.50 Forfeited (82,373 ) 16.73 Vested (343,067 ) 15.21 $ 7,888 Unvested as of December 31, 2015 463,917 17.41 Changes during the year: Granted 296,078 23.65 Forfeited (66,972 ) 20.97 Vested (255,326 ) 15.83 5,806 Unvested as of December 31, 2016 437,697 22.01 Changes during the year: Granted 126,204 31.35 Forfeited (31,570 ) 24.89 Vested (134,780 ) 19.81 4,224 Unvested as of December 31, 2017 397,551 25.49

PENSION PLANS

PENSION PLANS	12 Months Ended
	Dec. 31, 2017
Retirement Benefits [Abstract]
PENSION PLANS	17. PENSION PLANS Defined Benefit Retirement Plan The bank has a defined benefit retirement plan that covered substantially all of its employees who were employed during the period that the plan was in effect. The plan was initially curtailed in 1986, and accordingly, plan benefits were fixed as of that date. Effective January 1, 1991, the bank reactivated its defined benefit retirement plan. As a result of the reactivation, employees for whom benefits were fixed in 1986 began to accrue additional benefits under a new formula that became effective January 1, 1991. Employees who were not participants at curtailment, but who were subsequently eligible to join, became participants effective January 1, 1991. Under the reactivated plan, benefits are based upon the employees' years of service and their highest average annual salaries in a 60 -consecutive-month period of service, reduced by benefits provided from the bank's terminated money purchase pension plan. The reactivation of the defined benefit retirement plan resulted in an increase of $5.9 million in the unrecognized prior service cost, which was amortized over a period of 13 years. Effective December 31, 2002, the bank curtailed its defined benefit retirement plan, and accordingly, plan benefits were fixed as of that date. In December 2016, the Company purchased non-participating annuity contracts totaling $9.4 million to settle the pension obligation for a portion of the Company's plan participants. The purchase of the annuity contracts were settled by using plan assets. As a result of the settlement, we recognized a pro-rata net actuarial loss of $3.8 million in pension expense and other comprehensive income. The following tables set forth information pertaining to the defined benefit retirement plan: Year Ended December 31, 2017 2016 (Dollars in thousands) Change in benefit obligation: Benefit obligation at beginning of year $ 23,677 $ 33,067 Interest cost 926 1,374 Actuarial (gains) losses 752 1,039 Benefits paid (1,884 ) (2,413 ) Annuity purchase — (9,390 ) Benefit obligation at end of the year 23,471 23,677 Change in plan assets, at fair value: Fair value of plan assets at beginning of year 18,539 26,321 Actual return on plan assets 2,177 1,021 Employer contributions 4,000 3,000 Benefits paid (1,884 ) (2,413 ) Annuity purchase — (9,390 ) Fair value of plan assets at end of year 22,832 18,539 Funded status at end of year $ (639 ) $ (5,138 ) Amounts recognized in AOCI: Net actuarial losses $ (8,472 ) $ (10,052 ) Benefit obligation actuarial assumptions: Weighted average discount rate 3.6 % 4.1 % Year Ended December 31, 2017 2016 2015 (Dollars in thousands) Components of net periodic benefit cost: Interest cost $ 926 $ 1,374 $ 1,383 Expected return on plan assets (1,036 ) (1,542 ) (1,893 ) Amortization of net actuarial losses 1,191 1,548 1,577 Settlement — 3,847 — Net periodic benefit cost $ 1,081 $ 5,227 $ 1,067 Net periodic cost actuarial assumptions: Weighted average discount rate 4.1 % 4.3 % 4.0 % Expected long-term rate of return on plan assets 5.5 % 6.0 % 7.0 % The unrecognized net actuarial losses included in AOCI expected to be recognized in net periodic benefit cost during 2018 is approximately $1.0 million . The long-term rate of return on plan assets reflects the weighted-average long-term rates of return for the various categories of investments held in the plan. The expected long-term rate of return is adjusted when there are fundamental changes in expected returns on the plan investments. The defined benefit retirement plan assets consist primarily of equity and debt securities. Our asset allocations by asset category were as follows: December 31, 2017 2016 Equity securities 53.9 % 50.6 % Debt securities 42.3 34.0 Other 3.8 15.4 Total 100.0 % 100.0 % Equity securities included the Company's common stock in the amount of $0.1 million at December 31, 2017 and 2016 . Our investment strategy for the defined benefit retirement plan is to maximize the long-term rate of return on plan assets while maintaining an acceptable level of risk. The investment policy establishes a target allocation for each asset class that is reviewed periodically and rebalanced when considered appropriate. The fair values of the defined benefit retirement plan as of December 31, 2017 and 2016 by asset category were as follows: Quoted Prices Significant Significant Total (Dollars in thousands) December 31, 2017 Money market accounts $ 858 $ — $ — $ 858 Mutual funds 12,258 — — 12,258 Government obligations — 1,942 — 1,942 Common stocks 5,509 — — 5,509 Preferred stocks 176 — — 176 Corporate bonds and debentures — 2,089 — 2,089 Total $ 18,801 $ 4,031 $ — $ 22,832 Quoted Prices Significant Significant Total (Dollars in thousands) December 31, 2016 Money market accounts $ 2,852 $ — $ — $ 2,852 Mutual funds 7,250 — — 7,250 Government obligations — 2,134 — 2,134 Common stocks 4,474 — — 4,474 Preferred stocks 130 — — 130 Corporate bonds and debentures — 1,699 — 1,699 Total $ 14,706 $ 3,833 $ — $ 18,539 We are not required by funding regulations or laws to make any contributions to our defined benefit retirement plan in 2018 . Estimated future benefit payments in each of the next five years and in the aggregate for the five years thereafter are as follows (in thousands): Year Ending December 31: 2018 $ 1,852 2019 1,819 2020 1,777 2021 1,737 2022 1,672 2023-2027 7,460 Total $ 16,317 Supplemental Executive Retirement Plans In 1995, 2001, 2004 and 2006, our bank established Supplemental Executive Retirement Plans ("SERP") that provide certain officers of the Company with supplemental retirement benefits. On December 31, 2002, the 1995 and 2001 SERP were curtailed. In conjunction with the merger with CB Bancshares, Inc. ("CBBI"), we assumed CBBI's SERP obligation. In the second quarter of 2017, the Company settled a portion of the SERP obligation of a former executive. As a result of the settlement, the Company remeasured the related SERP obligation and net periodic benefit cost and recognized a pro-rata net actuarial loss of $0.1 million in SERP expense and other comprehensive income. The following tables set forth information pertaining to the SERP: Year Ended December 31, 2017 2016 (Dollars in thousands) Change in benefit obligation Benefit obligation at beginning of year $ 10,292 $ 10,651 Interest cost 429 465 Actuarial (gains) losses 1,708 (598 ) Benefits paid (1,210 ) (226 ) Benefit obligation at end of year 11,219 10,292 Change in plan assets Fair value of plan assets at beginning of year — — Employer contributions 1,209 226 Benefits paid (1,209 ) (226 ) Fair value of plan assets at end of year — — Funded status at end of year $ (11,219 ) $ (10,292 ) Amounts recognized in AOCI Net transition obligation $ (100 ) $ (112 ) Prior service cost (49 ) (66 ) Net actuarial losses (2,163 ) (701 ) Total amounts recognized in AOCI $ (2,312 ) $ (879 ) Benefit obligation actuarial assumptions Weighted average discount rate 3.5 % 4.1 % Year Ended December 31, 2017 2016 2015 (Dollars in thousands) Components of net periodic benefit cost Interest cost $ 429 $ 465 $ 440 Amortization of net actuarial (gains) losses 102 51 111 Amortization of net transition obligation 18 17 16 Amortization of prior service cost 18 18 18 Settlement 138 — — Net periodic benefit cost $ 705 $ 551 $ 585 Net periodic cost actuarial assumptions Weighted average discount rate 4.1 % 4.4 % 4.1 % The estimated amortization of components included in AOCI that will be recognized into net periodic benefit cost for 2018 is as follows (in thousands): Amortization of net actuarial losses $ 102 Amortization of net transition obligation 18 Amortization of prior service cost 18 The SERP holds no plan assets other than employer contributions that are paid as benefits during the year. We expect to contribute $0.4 million to the SERP in 2018 . Estimated future benefit payments reflecting expected future service for the SERP in each of the next five years and in the aggregate for the five years thereafter are as follows (in thousands): Year Ending December 31: 2018 $ 351 2019 347 2020 340 2021 325 2022 316 2023-2027 3,212 Total $ 4,891

401(K) RETIREMENT SAVINGS PLAN

401(K) RETIREMENT SAVINGS PLAN	12 Months Ended
	Dec. 31, 2017
Defined Contribution Plan [Abstract]
401(K) RETIREMENT SAVINGS PLAN	18. 401(K) RETIREMENT SAVINGS PLAN We maintain a 401(k) Retirement Savings Plan ("Retirement Savings Plan") that covers substantially all employees of the Company. The Retirement Savings Plan allows employees to direct their own investments among a selection of investment alternatives and is funded by employee elective deferrals, employer matching contributions and employer profit sharing contributions. We match 100% of an employee's elective deferrals, up to 4% of the employee's pay each pay period. Our employer matching contributions to the Retirement Savings Plan totaled $2.1 million , $2.0 million and $1.6 million in 2017 , 2016 and 2015 , respectively. We also have the option of making discretionary profit sharing contributions into the Retirement Savings Plan. Our Board of Directors has sole discretion in determining the annual profit sharing contribution, subject to limitations of the Internal Revenue Code. We did not make any profit sharing contributions in 2017 , 2016 and 2015 .

OPERATING LEASES

OPERATING LEASES	12 Months Ended
	Dec. 31, 2017
Leases, Operating [Abstract]
OPERATING LEASES	19. OPERATING LEASES We lease certain property and equipment with lease terms expiring through 2045 . In most instances, the property leases provide for the renegotiation of rental terms at fixed intervals, and generally contain renewal options for periods ranging from five to 15 years. Net rent expense for all operating leases for the years ended December 31, 2017 , 2016 and 2015 is summarized as follows: Year Ended December 31, 2017 2016 2015 (Dollars in thousands) Rent expense charged to net occupancy $ 8,318 $ 8,700 $ 9,287 Less: sublease income (43 ) (43 ) (25 ) Net rent expense charged to net occupancy 8,275 8,657 9,262 Add: rent expense charged to equipment expense 15 19 30 Total net rent expense $ 8,290 $ 8,676 $ 9,292 The following is a schedule of future minimum rental commitments for all non-cancellable operating leases that had initial lease terms in excess of one year at December 31, 2017 (in thousands): Year Ending December 31: 2018 $ 6,334 2019 5,827 2020 5,296 2021 4,755 2022 4,079 Thereafter 18,585 Total $ 44,876 In addition, the Company, as lessor, leases certain properties that it owns. The following is a schedule of future minimum rental income for those non-cancellable operating leases that had initial lease terms in excess of one year at December 31, 2017 (in thousands): Year Ending December 31: 2018 $ 1,750 2019 1,061 2020 833 2021 980 2022 429 Thereafter 184 Total $ 5,237 In instances where the lease calls for a renegotiation of rental payments, the lease rental payment in effect prior to renegotiation was used throughout the remaining lease term.

INCOME AND FRANCHISE TAXES

INCOME AND FRANCHISE TAXES	12 Months Ended
	Dec. 31, 2017
Income Tax Disclosure [Abstract]
INCOME AND FRANCHISE TAXES	20. INCOME AND FRANCHISE TAXES Components of income tax expense (benefit) for the years ended December 31, 2017 , 2016 and 2015 were as follows: Current Deferred Total (Dollars in thousands) Year ended December 31, 2017 Federal $ 1,727 $ 27,263 $ 28,990 State (81 ) 4,943 4,862 Total $ 1,646 $ 32,206 $ 33,852 Current Deferred Total (Dollars in thousands) Year ended December 31, 2016 Federal $ 805 $ 19,842 $ 20,647 State (4 ) 4,585 4,581 Total $ 801 $ 24,427 $ 25,228 Current Deferred Total (Dollars in thousands) Year ended December 31, 2015 Federal $ 1,128 $ 20,061 $ 21,189 State (119 ) 6,018 5,899 Total $ 1,009 $ 26,079 $ 27,088 On December 22, 2017, H.R.1, commonly referred to as the Tax Cuts and Jobs Act (“Tax Reform”) was signed into law making significant changes to the U.S. federal tax code. The most impactful, as related to the Company, included a decrease in the current U.S. federal corporate tax rate from 35% to 21% for the year beginning January 1, 2018. The estimated impact of Tax Reform on the Company's net deferred tax assets ("DTA") result in additional income tax expense of $7.4 million . The Company notes that it anticipates additional adjustments to the net DTA and income tax expense will be made in 2018 as deferred tax estimates are finalized for inclusion in the 2017 Federal and state income tax returns to be filed. Income tax expense (benefit) for the periods presented differed from the "expected" tax expense (computed by applying the U.S. federal corporate tax rate of 35% to income (loss) before income taxes) for the following reasons: Year Ended December 31, 2017 2016 2015 (Dollars in thousands) Computed "expected" tax expense (benefit) $ 26,270 $ 25,260 $ 25,535 Increase (decrease) in taxes resulting from: Tax-exempt interest (1,387 ) (1,410 ) (1,420 ) Other tax-exempt income (1,186 ) (940 ) (712 ) Low-income housing and energy tax credits (1,135 ) (899 ) (946 ) State income taxes, net of Federal income tax effect, excluding impact of deferred tax valuation allowance 3,145 2,981 3,834 Change in the beginning-of-the-year balance of the valuation allowance for deferred tax assets allocated to income tax expense 570 (52 ) (44 ) Estimated impact of Tax Reform on net deferred tax assets 7,440 — — Other, net 135 288 841 Total $ 33,852 $ 25,228 $ 27,088 As required under the provisions of ASU 2016-09, " Compensation-Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting " during 2017, the Company recorded an income tax benefit of $0.5 million as a result of excess tax benefits from restricted stock units vesting during the year. At December 31, 2017 , there was $6.7 million of current federal income tax receivable, compared to a $28 thousand payable at December 31, 2016 . Current state income taxes receivable were $6 thousand and $4 thousand at December 31, 2017 and 2016 , respectively. The tax effects of temporary differences that gave rise to significant portions of the deferred tax assets and deferred tax liabilities were as follows: December 31, 2017 2016 (Dollars in thousands) Deferred tax assets Allowance for loan and lease losses $ 10,622 $ 19,926 Accrued expenses 294 644 Employee retirement benefits 2,784 6,138 Federal and state tax credit carryforwards 12,473 33,803 Federal and state net operating loss carryforwards 3,306 2,732 Restricted stock and non-qualified stock options 661 412 Premises and equipment 3,633 4,106 Other 3,169 5,060 Total deferred tax assets 36,942 72,821 Deferred tax liabilities Intangible assets 4,785 8,138 Other 2,343 3,006 Total deferred tax liabilities 7,128 11,144 Less: Deferred tax valuation allowance 3,321 2,751 Net deferred tax assets $ 26,493 $ 58,926 In assessing the realizability of our net DTA, management considers whether it is more likely than not that some portion or all of the DTA will not be realized. The ultimate realization of deferred tax assets is dependent upon the generation of future taxable income during the periods in which those temporary differences become deductible. Management considers the reversal of deferred tax liabilities (including the impact of available carryback and carryforward periods), projected future taxable income and tax-planning strategies in making this assessment. As of December 31, 2017 , the valuation allowance on our net DTA totaled $3.3 million , which related entirely to our DTA from net apportioned net operating loss ("NOL") carryforwards for California state income tax purposes as we do not expect to generate sufficient income in California to utilize the DTA. The net change in the valuation allowance was an increase of $0.6 million in 2017 , compared to a decrease of $0.1 million in 2016 . Net of this valuation allowance, the Company's net DTA totaled $26.5 million as of December 31, 2017 , compared to a net DTA of $58.9 million as of December 31, 2016 . At December 31, 2017 , the Company had net apportioned NOL carryforwards for California state income tax purposes of $3.3 million , which are available to offset future state taxable income, if any, through 2031. The Company did not have any NOL carryforwards for U.S. federal or Hawaii state income tax purposes. In addition, we have state tax credit carryforwards of $11.3 million that do not expire. In 2017, we utilized the remainder of our federal tax credit carryforwards. Additionally, there are $1.2 million in net Hawaii state tax credit benefits related to the carryback of net operating loss filed in the amended 2008 Hawaii tax return. At December 31, 2017 , we have no unrecognized tax benefits that, if recognized would favorably affect the effective income tax rate in future periods. We do not expect our unrecognized tax benefits to change significantly over the next 12 months. We are subject to U.S. federal income tax as well as income tax of multiple state jurisdictions. Taxable years through 2013 are closed.

ACCUMULATED OTHER COMPREHENSIVE

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)	12 Months Ended
	Dec. 31, 2017
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)	21. ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) The following table presents the components of other comprehensive income (loss) for the years ended December 31, 2017 , 2016 and 2015 , by component: Before Tax Tax Effect Net of Tax (Dollars in thousands) Year ended December 31, 2017 Net unrealized losses on investment securities: Net unrealized losses arising during the period $ (838 ) $ (333 ) $ (505 ) Less: Reclassification adjustment for losses realized in net income 1,410 561 849 Net unrealized gains on investment securities 572 228 344 Defined benefit plans: Net actuarial losses arising during the period (1,318 ) (518 ) (800 ) Amortization of net actuarial losses 1,293 460 833 Amortization of net transition obligation 18 7 11 Amortization of prior service cost 18 7 11 Settlement 138 55 83 Defined benefit plans, net 149 11 138 Other comprehensive income $ 721 $ 239 $ 482 Before Tax Tax Effect Net of Tax (Dollars in thousands) Year ended December 31, 2016 Net unrealized losses on investment securities: Net unrealized losses arising during the period $ (7,397 ) $ (2,945 ) $ (4,452 ) Less: Reclassification adjustment for losses realized in net income — — — Net unrealized losses on investment securities (7,397 ) (2,945 ) (4,452 ) Defined benefit plans: Net actuarial losses arising during the period (963 ) (385 ) (578 ) Amortization of net actuarial losses 1,599 634 965 Amortization of net transition obligation 17 6 11 Amortization of prior service cost 18 7 11 Settlement 3,847 1,528 2,319 Defined benefit plans, net 4,518 1,790 2,728 Other comprehensive loss $ (2,879 ) $ (1,155 ) $ (1,724 ) Before Tax Tax Effect Net of Tax (Dollars in thousands) Year ended December 31, 2015 Net unrealized gains on investment securities: Net unrealized losses arising during the period $ (9,184 ) $ (3,655 ) $ (5,529 ) Less: Reclassification adjustment for gains realized in net income 1,866 742 1,124 Net unrealized losses on investment securities (7,318 ) (2,913 ) (4,405 ) Defined benefit plans: Net actuarial gains arising during the period 687 274 413 Amortization of net actuarial losses 1,688 672 1,016 Amortization of net transition obligation 16 7 9 Amortization of prior service cost 18 7 11 Defined benefit plans, net 2,409 960 1,449 Other comprehensive loss $ (4,909 ) $ (1,953 ) $ (2,956 ) The following table presents the changes in each component of AOCI, net of tax, for the years ended December 31, 2017 , 2016 and 2015 : Investment Defined Accumulated (Dollars in thousands) Year ended December 31, 2017 Balance at beginning of period $ 4,729 $ (6,250 ) $ (1,521 ) Other comprehensive income (loss) before reclassifications (505 ) (800 ) (1,305 ) Amounts reclassified from AOCI 849 938 1,787 Total other comprehensive income 344 138 482 Balance at end of period $ 5,073 $ (6,112 ) $ (1,039 ) Investment Defined Accumulated (Dollars in thousands) Year ended December 31, 2016 Balance at beginning of period $ 9,181 $ (8,978 ) $ 203 Other comprehensive income (loss) before reclassifications (4,452 ) (578 ) (5,030 ) Amounts reclassified from AOCI — 3,306 3,306 Total other comprehensive income (loss) (4,452 ) 2,728 (1,724 ) Balance at end of period $ 4,729 $ (6,250 ) $ (1,521 ) Investment Defined Accumulated (Dollars in thousands) Year ended December 31, 2015 Balance at beginning of period $ 13,586 $ (10,427 ) $ 3,159 Other comprehensive income (loss) before reclassifications (5,529 ) 413 (5,116 ) Amounts reclassified from AOCI 1,124 1,036 2,160 Total other comprehensive income (loss) (4,405 ) 1,449 (2,956 ) Balance at end of period $ 9,181 $ (8,978 ) $ 203 The following table presents the amounts reclassified out of each component of AOCI for the years ended December 31, 2017 , 2016 and 2015 : Amount Reclassified from AOCI Affected Line Item in the Details about AOCI Components (Dollars in Thousands) Year ended December 31, Statement Where Net 2017 2016 2015 Income is Presented Sale of investment securities available for sale $ (1,410 ) $ — $ (1,866 ) Investment securities gains (losses) 561 — 742 Tax benefit $ (849 ) $ — $ (1,124 ) Net of tax Defined benefit plan items: Amortization of net actuarial losses $ (1,293 ) $ (1,599 ) $ (1,688 ) (1) Amortization of net transition obligation (18 ) (17 ) (16 ) (1) Amortization of prior service cost (18 ) (18 ) (18 ) (1) Settlement (138 ) (3,847 ) — (1) (1,467 ) (5,481 ) (1,722 ) Total before tax 529 2,175 686 Tax benefit $ (938 ) $ (3,306 ) $ (1,036 ) Net of tax Total reclassifications for the period $ (1,787 ) $ (3,306 ) $ (2,160 ) Net of tax (1) These accumulated other comprehensive income components are included in the computation of net periodic pension cost (see Note 17 - Pension Plans for additional details).

EARNINGS PER SHARE

EARNINGS PER SHARE	12 Months Ended
	Dec. 31, 2017
Earnings Per Share [Abstract]
EARNINGS PER SHARE	22. EARNINGS PER SHARE The table below presents the information used to compute basic and diluted earnings per share for the years ended December 31, 2017 , 2016 and 2015 : Year Ended December 31, 2017 2016 2015 (In thousands, except per share data) Net income $ 41,204 $ 46,992 $ 45,868 Weighted average shares outstanding - basic 30,401 31,009 32,238 Dilutive effect of employee stock options and awards 238 216 413 Weighted average shares outstanding - diluted 30,638 31,225 32,651 Basic earnings per share $ 1.36 $ 1.52 $ 1.42 Diluted earnings per share $ 1.34 $ 1.50 $ 1.40 There were no potentially dilutive securities that have been excluded from the dilutive share calculation for the year ended December 31, 2017 , compared to 1,892 and 8,217 potentially dilutive securities that have been excluded from the dilutive share calculation for the years ended December 31, 2016 and 2015 , respectively, as their effect was anti-dilutive.

CONTINGENT LIABILITIES AND OTHE

CONTINGENT LIABILITIES AND OTHER COMMITMENTS	12 Months Ended
	Dec. 31, 2017
Commitments and Contingencies Disclosure [Abstract]
CONTINGENT LIABILITIES AND OTHER COMMITMENTS	23. CONTINGENT LIABILITIES AND OTHER COMMITMENTS The Company and its subsidiaries are involved in legal actions arising in the ordinary course of business. Management, after consultation with legal counsel, believes the ultimate disposition of those matters will not have a material adverse effect on our consolidated financial statements. In the normal course of business there are outstanding contingent liabilities and other commitments such as unused letters of credit, items held for collections and unsold traveler's checks, which are not reflected in the accompanying consolidated financial statements. Management does not anticipate any material losses as a result of these transactions.

FINANCIAL INSTRUMENTS WITH OFF-

FINANCIAL INSTRUMENTS WITH OFF-BALANCE SHEET RISK	12 Months Ended
	Dec. 31, 2017
Investments, All Other Investments [Abstract]
FINANCIAL INSTRUMENTS WITH OFF-BALANCE SHEET RISK	24. FINANCIAL INSTRUMENTS WITH OFF-BALANCE SHEET RISK We are a party to financial instruments with off-balance sheet risk in the normal course of business to meet the financing needs of our customers. These financial instruments include commitments to extend credit, standby letters of credit and financial guarantees written, forward foreign exchange contracts, and interest rate contracts. Those instruments involve, to varying degrees, elements of credit, interest rate and foreign exchange risk in excess of the amounts recognized in the consolidated balance sheets. The contract or notional amounts of those instruments reflect the extent of involvement we have in particular classes of financial instruments. Our exposure to credit loss in the event of nonperformance by the counterparty to the financial instrument for commitments to extend credit and standby letters of credit and financial guarantees written is represented by the contractual amount of those instruments. For forward foreign exchange contracts and interest rate contracts, the contract amounts do not represent exposure to credit loss. We control the credit risk of these contracts through credit approvals, limits and monitoring procedures. We use the same credit policies in making commitments and conditional obligations as we do for on-balance sheet instruments. Commitments to extend credit are agreements to lend to a customer as long as there is no violation of any condition established in the contract. Commitments generally have fixed expiration dates or other termination clauses and may require payment of a fee. These derivatives are carried at fair value with changes in fair value recorded as a component of other operating income in the consolidated statements of income. Since many of the commitments are expected to expire without being drawn upon, the total commitment amounts do not necessarily represent future cash requirements. We evaluate each customer's creditworthiness on a case-by-case basis. The amount of collateral obtained, if deemed necessary, is based on management's credit evaluation of the counterparty. Collateral held varies but may include accounts receivable, inventory, property, plant and equipment, and income-producing commercial properties. Standby letters of credit and financial guarantees written are conditional commitments issued by us to guarantee the performance of a customer to a third-party. The credit risk involved in issuing letters of credit is essentially the same as that involved in extending loan facilities to customers. We hold collateral supporting those commitments for which collateral is deemed necessary. Interest rate options issued on residential mortgage loans expose us to interest rate risk, which is economically hedged with forward interest rate contracts. These derivatives are carried at fair value with changes in fair value recorded as a component of other operating income in the consolidated statements of income. The amount of interest rate options fluctuates based on residential mortgage volume. Forward interest rate contracts represent commitments to purchase or sell loans at a future date at a specified price. We enter into forward interest rate contracts on our residential mortgage held for sale loans. These derivatives are carried at fair value with changes in fair value recorded as a component of other operating income in the consolidated statements of income. Risks arise from the possible inability of counter-parties to meet the terms of their contracts and from movements in market rates. Management reviews and approves the creditworthiness of the counterparties to its forward interest rate contracts. Forward foreign exchange contracts represent commitments to purchase or sell foreign currencies at a future date at a specified price. These derivatives are carried at fair value with changes in fair value recorded as a component of other operating income in the consolidated statements of income. Risks arise from the possible inability of counterparties to meet the terms of their contracts and from movements in foreign currency exchange rates. Management reviews and approves the creditworthiness of its forward foreign exchange counterparties. At December 31, 2017 and 2016 , we did not have any forward foreign exchange contracts. At December 31, 2017 and 2016 , financial instruments with off-balance sheet risk were as follows: December 31, 2017 2016 (Dollars in thousands) Notional of: Financial instruments whose contract amounts represent credit risk: Commitments to extend credit $ 917,405 $ 825,304 Standby letters of credit and financial guarantees written 13,551 16,073 Notional of: Financial instruments whose contract amounts exceed the amount of credit risk: Interest rate options 2,494 879 Forward interest rate contracts 18,748 32,497

FAIR VALUE OF ASSETS AND LIABIL

FAIR VALUE OF ASSETS AND LIABILITIES	12 Months Ended
	Dec. 31, 2017
Fair Value Disclosures [Abstract]
FAIR VALUE OF ASSETS AND LIABILITIES	25. FAIR VALUE OF ASSETS AND LIABILITIES Disclosures about Fair Value of Financial Instruments Fair value estimates, methods and assumptions are set forth below for our financial instruments. Short-Term Financial Instruments The carrying values of short-term financial instruments are deemed to approximate fair values. Such instruments are considered readily convertible to cash and include cash and due from financial institutions, interest-bearing deposits in other financial institutions, accrued interest receivable, the majority of Federal Home Loan Bank advances and other short-term borrowings, and accrued interest payable. Investment Securities The fair value of investment securities is based on market price quotations received from securities dealers. Where quoted market prices are not available, fair values are based on quoted market prices of comparable securities. Loans Fair values of loans are estimated based on discounted cash flows of portfolios of loans with similar financial characteristics including the type of loan, interest terms and repayment history. Fair values are calculated by discounting scheduled cash flows through estimated maturities using estimated market discount rates. Estimated market discount rates are reflective of credit and interest rate risks inherent in the Company’s various loan types and are derived from available market information, as well as specific borrower information. The fair value of loans are not based on the notion of exit price. Loans Held for Sale The fair value of loans classified as held for sale are generally based upon quoted prices for similar assets in active markets, acceptance of firm offer letters with agreed upon purchase prices, discounted cash flow models that take into account market observable assumptions, or independent appraisals of the underlying collateral securing the loans. We report the fair values of Hawaii and U.S. Mainland construction and commercial real estate loans net of applicable selling costs on our consolidated balance sheets. Mortgage Servicing Rights Fair value of mortgage servicing rights is calculated by a discounted cash flow model prepared by a third-party service provider based on market value assumptions at the time of origination. We assess the servicing right for impairment using current market value assumptions at each reporting period. Critical assumptions used in the discounted cash flow model include mortgage prepayment speeds, discount rates, costs to service, and ancillary income. Variations in our assumptions could materially affect the estimated fair values. Changes to our assumptions are made when current trends and market data indicate that new trends have developed. Current market value assumptions based on loan product types (fixed-rate, adjustable-rate and balloon loans) include average discount rates and prepayment speeds. Many of these assumptions are subjective and require a high level of management judgment. Our mortgage servicing rights portfolio and valuation assumptions are periodically reviewed by management. Other Interest-Earning Assets The equity investment in common stock of the FHLB, which is redeemable for cash at par value, is reported at its par value. Deposit Liabilities The fair values of deposits with no stated maturity, such as noninterest-bearing demand deposits and interest-bearing demand and savings accounts, are equal to the amount payable on demand. The fair value of time deposits is estimated using discounted cash flow analyses. The discount rate is estimated using the rates currently offered for deposits of similar remaining maturities. Long-Term Debt The fair value of our long-term debt is estimated by discounting scheduled cash flows over the contractual borrowing period at the estimated market rate for similar borrowing arrangements. Off-Balance Sheet Financial Instruments The fair values of off-balance sheet financial instruments are estimated based on the fees currently charged to enter into similar agreements, taking into account the remaining terms of the agreements and the present creditworthiness of the counterparties, current settlement values or quoted market prices of comparable instruments. For derivative financial instruments, the fair values are based upon current settlement values, if available. If there are no relevant comparables, fair values are based on pricing models using current assumptions for interest rate swaps and options. Limitations Fair value estimates are made at a specific point in time based on relevant market information and information about the financial instrument. These estimates do not reflect any premium or discount that could result from offering for sale at one time our entire holdings of a particular financial instrument. Because no market exists for a significant portion of our financial instruments, fair value estimates are based on judgments regarding future expected loss experience, current economic conditions, risk characteristics of various financial instruments and other factors. These estimates are subjective in nature and involve uncertainties and matters of significant judgment and therefore cannot be determined with precision. Changes in assumptions could significantly affect the estimates. Fair value estimates are based on existing on- and off-balance sheet financial instruments without attempting to estimate the value of future business and the value of assets and liabilities that are not considered financial instruments. For example, significant assets and liabilities that are not considered financial assets or liabilities include deferred tax assets, premises and equipment and core deposit premium. Fair Value Measurement Using Carrying Estimated Quoted Prices Significant Significant (Dollars in thousands) December 31, 2017 Financial assets: Cash and due from financial institutions $ 75,318 $ 75,318 $ 75,318 $ — $ — Interest-bearing deposits in other financial institutions 6,975 6,975 6,975 — — Investment securities 1,496,644 1,494,092 825 1,481,473 11,794 Loans held for sale 16,336 16,336 — 16,336 — Loans and leases, net of allowance for loan and lease losses 3,720,614 3,684,834 — 21,280 3,663,554 Mortgage servicing rights 15,843 17,161 — — 17,161 Federal Home Loan Bank stock 7,761 7,761 7,761 — — Accrued interest receivable 16,581 16,581 16,581 — — Financial liabilities: Deposits: Noninterest-bearing deposits 1,395,556 1,395,556 1,395,556 — — Interest-bearing demand and savings deposits 2,414,930 2,414,930 2,414,930 — — Time deposits 1,145,868 1,140,064 — — 1,140,064 Federal Home Loan Bank advances and other short-term borrowings 32,000 32,000 — 32,000 — Long-term debt 92,785 70,139 — 70,139 — Accrued interest payable (included in other liabilities) 3,698 3,698 3,698 — — Off-balance sheet financial instruments: Commitments to extend credit 917,405 1,140 — 1,140 — Standby letters of credit and financial guarantees written 13,551 203 — 203 — Derivatives: Interest rate lock commitments 2,494 12 — 12 — Forward sale commitments 18,748 (26 ) — (26 ) — Fair Value Measurement Using Carrying Estimated Quoted Prices Significant Significant (Dollars in thousands) December 31, 2016 Financial assets: Cash and due from financial institutions $ 75,272 $ 75,272 $ 75,272 $ — $ — Interest-bearing deposits in other financial institutions 9,069 9,069 9,069 — — Investment securities 1,461,515 1,458,213 660 1,445,357 12,196 Loans held for sale 31,881 31,881 — 31,881 — Loans and leases, net of allowance for loan and lease losses 3,468,259 3,426,976 — 30,723 3,396,253 Mortgage servicing rights 15,779 18,087 — — 18,087 Federal Home Loan Bank stock 11,572 11,572 11,572 — — Accrued interest receivable 15,675 15,675 15,675 — — Financial liabilities: Deposits: Noninterest-bearing deposits 1,265,246 1,265,246 1,265,246 — — Interest-bearing demand and savings deposits 2,253,591 2,253,591 2,253,591 — — Time deposits 1,089,364 1,088,436 — — 1,088,436 Federal Home Loan Bank advances and other short-term borrowings 135,000 135,000 — 135,000 — Long-term debt 92,785 68,186 — 68,186 — Accrued interest payable (included in other liabilities) 1,556 1,556 1,556 — — Off-balance sheet financial instruments: Commitments to extend credit 825,304 1,046 — 1,046 — Standby letters of credit and financial guarantees written 16,073 241 — 241 — Derivatives: Interest rate lock commitments 879 6 — 6 — Forward sale commitments 32,497 136 — 136 — Fair Value Measurements We group our financial assets and liabilities at fair value into three levels based on the markets in which the financial assets and liabilities are traded and the reliability of the assumptions used to determine fair value as follows: • Level 1 — Valuation is based upon quoted prices (unadjusted) for identical assets or liabilities traded in active markets. A quoted price in an active market provides the most reliable evidence of fair value and shall be used to measure fair value whenever available. • Level 2 — Valuation is based upon quoted prices for similar instruments in active markets, quoted prices for identical or similar instruments in markets that are not active, and model-based valuation techniques for which all significant assumptions are observable in the market. • Level 3 — Valuation is generated from model-based techniques that use significant assumptions not observable in the market. These unobservable assumptions reflect our own estimates of assumptions that market participants would use in pricing the asset or liability. Valuation techniques include use of discounted cash flow models and similar techniques that requires the use of significant judgment or estimation. We base our fair values on the price that we would expect to receive if an asset were sold or pay to transfer a liability in an orderly transaction between market participants at the measurement date. We also maximize the use of observable inputs and minimize the use of unobservable inputs when developing fair value measurements. We use fair value measurements to record adjustments to certain financial assets and liabilities and to determine fair value disclosures. Available for sale securities and derivatives are recorded at fair value on a recurring basis. From time to time, we may be required to record other financial assets at fair value on a nonrecurring basis such as loans held for sale, impaired loans and mortgage servicing rights. These nonrecurring fair value adjustments typically involve application of the lower of cost or fair value accounting or write-downs of individual assets. There were no transfers of financial assets and liabilities between Level 1 and Level 2 of the fair value hierarchy during the year ended December 31, 2017 . The following table below presents the the fair value of assets and liabilities measured on a recurring basis: Fair Value at Reporting Date Using Fair Quoted Prices Significant Significant (Dollars in thousands) December 31, 2017 Available for sale securities: Debt securities: States and political subdivisions $ 179,781 $ — $ 167,987 $ 11,794 Corporate securities 74,278 — 74,278 — U.S. Treasury obligations and direct obligations of U.S Government agencies 25,510 — 25,510 — Mortgage-backed securities: Residential-U.S. Government sponsored entities 800,683 — 800,683 — Residential-Non-government agencies 46,763 — 46,763 — Commercial-U.S. Government agencies and sponsored entities 39,725 — 39,725 — Commercial-Non-government agencies 137,326 — 137,326 — Other 825 825 — — Derivatives: Interest rate lock and forward sale commitments (14 ) — (14 ) — Total $ 1,304,877 $ 825 $ 1,292,258 $ 11,794 Fair Value at Reporting Date Using Fair Quoted Prices Significant Significant (Dollars in thousands) December 31, 2016 Available for sale securities: Debt securities: States and political subdivisions $ 185,041 $ — $ 172,845 $ 12,196 Corporate securities 99,389 — 99,389 — U.S. Treasury obligations and direct obligations of U.S Government agencies — — — — Mortgage-backed securities: U.S. Government sponsored entities 769,986 — 769,986 — Non-government sponsored entities 188,771 — 188,771 — Other 660 660 — — Derivatives: Interest rate lock and forward sale commitments 142 — 142 — Total $ 1,243,989 $ 660 $ 1,231,133 $ 12,196 The changes in Level 3 assets and liabilities measured at fair value on a recurring basis are summarized as follows: Available for Sale (Dollars in thousands) Balance as of December 31, 2015 $ 12,479 Principal payments received (338 ) Purchases — Unrealized net loss included in other comprehensive gain 55 Balance as of December 31, 2016 $ 12,196 Principal payments received (358 ) Purchases Unrealized net loss included in other comprehensive loss (44 ) Balance as of December 31, 2017 $ 11,794 Within the state and political subdivisions debt securities category, the Company holds four mortgage revenue bonds issued by the City & County of Honolulu with an aggregate fair value of $11.8 million and $12.2 million at December 31, 2017 and 2016 , respectively. The Company estimates the fair value of its mortgage revenue bonds by using a discounted cash flow model to calculate the present value of estimated future principal and interest payments. The significant unobservable input used in the fair value measurement of the Company’s mortgage revenue bonds is the weighted average discount rate. As of December 31, 2017 , the weighted average discount rate utilized was 4.81% , which was derived by incorporating a credit spread over the FHLB Fixed-Rate Advance curve. Significant increases (decreases) in the weighted average discount rate could result in a significantly lower (higher) fair value measurement. The following table presents the fair value of assets measured on a nonrecurring basis and the level of valuation assumptions used to determine the respective fair values: Fair Value Measurements Using Fair Value Quoted Prices Significant Significant Total (Dollars in thousands) December 31, 2017 Impaired loans (1) $ 21,280 $ — $ 21,280 $ — $ — Mortgage servicing rights 17,161 — — 17,161 — Other real estate (2) 851 — 851 — — Total $ — December 31, 2016 Impaired loans (1) $ 30,723 $ — $ 30,723 $ — $ — Mortgage servicing rights 18,087 — — 18,087 — Other real estate (2) 791 — 791 — — Total $ — (1) Represents carrying value and related write-downs of loans for which adjustments are based on agreed upon purchase prices for the loans or the appraised value of the collateral. (2) Represents other real estate that is carried at the lower of carrying value or fair value less costs to sell. Fair value is generally based upon independent market prices or appraised values of the collateral.

SEGMENT INFORMATION

SEGMENT INFORMATION	12 Months Ended
	Dec. 31, 2017
Segment Reporting [Abstract]
SEGMENT INFORMATION	26. SEGMENT INFORMATION We have the following three reportable segments: Banking Operations, Treasury and All Others. The segments are consistent with our internal functional reporting lines and are managed separately because each unit has different target markets, technological requirements, marketing strategies and specialized skills. The Banking Operations segment includes construction and real estate development lending, commercial lending, residential mortgage lending, consumer lending, trust services, retail brokerage services and our retail branch offices, which provide a full range of deposit and loan products, as well as various other banking services. The Treasury segment is responsible for managing the Company’s investment securities portfolio and wholesale funding activities. The All Others segment includes activities not captured by the Banking Operations or Treasury segments described above and includes activities such as electronic banking, data processing and management of bank owned properties. The accounting policies of the segments are consistent with those described in Note 1 - Summary of Significant Accounting Policies . The majority of the Company’s net income is derived from net interest income. Accordingly, management focuses primarily on net interest income, rather than gross interest income and expense amounts, in evaluating segment profitability. Intersegment net interest income (expense) was allocated to each segment based upon a funds transfer pricing process that assigns costs of funds to assets and earnings credits to liabilities based on market interest rates that reflect interest rate sensitivity and maturity characteristics. All administrative and overhead expenses are allocated to the segments at cost. Cash, investment securities, loans and leases and their related balances are allocated to the segment responsible for acquisition and maintenance of those assets. Segment assets also include all premises and equipment used directly in segment operations. Segment net income (loss) and assets are provided in the following table for the periods indicated: Banking Treasury All Others Total (Dollars in thousands) Year ended December 31, 2017 Net interest income $ 140,077 $ 27,626 $ — $ 167,703 Intersegment net interest income (expense) 32,977 (25,000 ) (7,977 ) — Credit (provision) for loan and lease losses 2,674 — — 2,674 Other operating income 22,511 2,448 11,537 36,496 Other operating expense (60,939 ) (1,433 ) (69,445 ) (131,817 ) Administrative and overhead expense allocation (61,082 ) (972 ) 62,054 — Income taxes (34,376 ) (1,204 ) 1,728 (33,852 ) Net income (loss) $ 41,842 $ 1,465 $ (2,103 ) $ 41,204 Balance as of December 31, 2017 Investment securities $ — $ 1,496,644 $ — $ 1,496,644 Loans and leases (including loans held for sale) 3,786,951 — — 3,786,951 Other 42,243 228,608 69,262 340,113 Total assets $ 3,829,194 $ 1,725,252 $ 69,262 $ 5,623,708 Banking Treasury All Others Total (Dollars in thousands) Year ended December 31, 2016 Net interest income $ 128,673 $ 29,277 $ — $ 157,950 Intersegment net interest income (expense) 36,655 (26,618 ) (10,037 ) — Credit (provision) for loan and lease losses 5,517 — — 5,517 Other operating income 25,994 3,148 13,174 42,316 Other operating expense (58,856 ) (1,616 ) (73,091 ) (133,563 ) Administrative and overhead expense allocation (64,139 ) (918 ) 65,057 — Income taxes (25,796 ) (1,143 ) 1,711 (25,228 ) Net income $ 48,048 $ 2,130 $ (3,186 ) $ 46,992 Balance as of December 31, 2016 Investment securities $ — $ 1,461,515 $ — $ 1,461,515 Loans and leases (including loans held for sale) 3,556,771 — — 3,556,771 Other 56,482 241,387 68,081 365,950 Total assets $ 3,613,253 $ 1,702,902 $ 68,081 $ 5,384,236 Banking Treasury All Others Total (Dollars in thousands) Year ended December 31, 2015 Net interest income $ 115,936 $ 33,592 $ — $ 149,528 Intersegment net interest income (expense) 43,686 (31,576 ) (12,110 ) — Credit (provision) for loan and lease losses 15,671 — — 15,671 Other operating income 23,447 967 10,385 34,799 Other operating expense (59,273 ) (1,859 ) (65,910 ) (127,042 ) Administrative and overhead expense allocation (59,266 ) (1,042 ) 60,308 — Income taxes (28,070 ) (29 ) 1,011 (27,088 ) Net income (loss) $ 52,131 $ 53 $ (6,316 ) $ 45,868

PARENT COMPANY AND REGULATORY R

PARENT COMPANY AND REGULATORY RESTRICTIONS	12 Months Ended
	Dec. 31, 2017
Condensed Financial Information of Parent Company Only Disclosure [Abstract]
PARENT COMPANY AND REGULATORY RESTRICTIONS	27. PARENT COMPANY AND REGULATORY RESTRICTIONS At December 31, 2017 , the accumulated deficit of the parent company, Central Pacific Financial Corp., included $396.0 million of equity in undistributed losses of Central Pacific Bank. Central Pacific Bank, as a Hawaii state-chartered bank, may only pay dividends to the extent it has retained earnings as defined under Hawaii banking law ("Statutory Retained Earnings"), which differs from GAAP retained earnings. As of December 31, 2017 , the bank had Statutory Retained Earnings of $85.6 million . For further information, see Note 14 - Equity . Section 131 of the Federal Deposit Insurance Corporation Improvement Act ("FDICIA") required the Board of Governors of the Federal Reserve System, FDIC, and the Comptroller of the Currency (collectively, the "Agencies") to develop a mechanism to take prompt corrective action to resolve the problems of insured depository institutions. The final rules to implement FDICIA’s Prompt Corrective Action provisions established minimum regulatory capital standards to determine an insured depository institution’s capital category. However, the Agencies may impose higher minimum standards on individual institutions or may downgrade an institution from one capital category to a lower capital category because of safety and soundness concerns. The Prompt Corrective Action provisions impose certain restrictions on institutions that are under-capitalized. The restrictions become increasingly more severe as an institution’s capital category declines from under-capitalized to critically under-capitalized. The following table sets forth actual and required capital and capital ratios for the Company and the bank, as well as the minimum capital adequacy requirements applicable generally to all financial institutions as of the dates indicated. The Company’s and the bank’s leverage capital, Tier 1, total risk-based capital ratios, and common equity Tier 1 (CET1) risk based capital as of December 31, 2017 were above the levels required for a "well-capitalized" regulatory designation. Actual Minimum required for Minimum required to Amount Ratio Amount Ratio Amount Ratio (Dollars in thousands) Company As of December 31, 2017 Leverage capital $ 578,607 10.4 % $ 223,646 4.0 % $ 279,557 5.0 % Tier 1 risk-based capital 578,607 14.7 236,721 6.0 315,628 8.0 Total risk-based capital 628,068 15.9 315,628 8.0 394,535 10.0 CET1 risk-based capital 490,861 12.4 177,541 4.5 256,448 6.5 As of December 31, 2016 Leverage capital 562,460 10.6 211,383 4.0 264,229 5.0 Tier 1 risk-based capital 562,460 14.2 237,157 6.0 316,209 8.0 Total risk-based capital 612,202 15.5 316,209 8.0 395,261 10.0 CET1 risk-based capital 485,268 12.3 177,868 4.5 256,920 6.5 Central Pacific Bank As of December 31, 2017 Leverage capital 565,412 10.1 223,431 4.0 279,289 5.0 Tier 1 risk-based capital 565,412 14.4 236,401 6.0 315,201 8.0 Total risk-based capital 614,732 15.6 315,201 8.0 394,002 10.0 CET1 risk-based capital 565,412 14.4 177,301 4.5 256,101 6.5 As of December 31, 2016 Leverage capital 541,577 10.3 211,135 4.0 263,918 5.0 Tier 1 risk-based capital 541,577 13.7 236,806 6.0 315,741 8.0 Total risk-based capital 591,185 15.0 315,741 8.0 394,677 10.0 CET1 risk-based capital 541,577 13.7 177,604 4.5 256,540 6.5 Condensed financial statements of the parent company are as follows: CENTRAL PACIFIC FINANCIAL CORP. CONDENSED BALANCE SHEETS December 31, 2017 2016 (Dollars in thousands) Assets Cash and cash equivalents $ 13,931 $ 19,500 Investment securities available for sale 825 660 Investment in subsidiary bank, at equity in underlying net assets 572,101 569,898 Accrued interest receivable and other assets 9,577 10,682 Total assets $ 596,434 $ 600,740 Liabilities and Equity Long-term debt $ 92,785 $ 92,785 Other liabilities 3,614 3,280 Total liabilities 96,399 96,065 Shareholders’ equity: Preferred stock, no par value, authorized 1,000,000 shares; issued and outstanding none at December 31, 2017 and 2016 — — Common stock, no par value, authorized 185,000,000 shares; issued and outstanding 30,024,222 and 30,796,243 shares at December 31, 2017 and 2016, respectively 503,988 530,932 Surplus 86,098 84,180 Accumulated deficit (89,036 ) (108,941 ) Accumulated other comprehensive income (loss) (1,039 ) (1,521 ) Total shareholders’ equity 500,011 504,650 Non-controlling interest $ 24 $ 25 Total equity $ 500,035 $ 504,675 Total liabilities and equity $ 596,434 $ 600,740 CENTRAL PACIFIC FINANCIAL CORP. CONDENSED STATEMENTS OF INCOME Year Ended December 31, 2017 2016 2015 (Dollars in thousands) Income: Dividends from subsidiary bank $ 43,000 $ 29,965 $ 111,765 Interest income: Interest from subsidiary bank 6 6 9 Other income 150 100 91 Total income 43,156 30,071 111,865 Expense: Interest on long-term debt 3,479 3,005 2,626 Other expenses 2,002 2,739 2,551 Total expenses 5,481 5,744 5,177 Gain (loss) before income taxes and equity in undistributed income of subsidiaries 37,675 24,327 106,688 Income tax expense (benefit) (1,781 ) (2,467 ) 670 Income before equity in undistributed income of subsidiaries 39,456 26,794 106,018 Equity in undistributed income (loss) of subsidiary bank 1,748 20,198 (60,150 ) Net income $ 41,204 $ 46,992 $ 45,868 CENTRAL PACIFIC FINANCIAL CORP. CONDENSED STATEMENTS OF CASH FLOWS Year Ended December 31, 2017 2016 2015 (Dollars in thousands) Cash flows from operating activities: Net income $ 41,204 $ 46,992 $ 45,868 Adjustments to reconcile net income to net cash provided by operating activities: Deferred income tax expense (benefit) (442 ) 15,683 670 Equity in undistributed income (loss) of subsidiary bank (1,748 ) (20,198 ) 60,150 Share-based compensation 1,918 1,045 1,429 Other, net 1,357 (697 ) 983 Net cash provided by operating activities 42,289 42,825 109,100 Cash flows from financing activities: Net proceeds from issuance of common stock and stock option exercises — 941 360 Repurchases of common stock (26,559 ) (18,206 ) (93,533 ) Dividends paid (21,299 ) (18,619 ) (26,143 ) Net cash used in financing activities (47,858 ) (35,884 ) (119,316 ) Net increase (decrease) in cash and cash equivalents (5,569 ) 6,941 (10,216 ) Cash and cash equivalents at beginning of year 19,500 12,559 22,775 Cash and cash equivalents at end of year $ 13,931 $ 19,500 $ 12,559

UNAUDITED QUARTERLY FINANCIAL I

UNAUDITED QUARTERLY FINANCIAL INFORMATION	12 Months Ended
	Dec. 31, 2017
Quarterly Financial Information Disclosure [Abstract]
UNAUDITED QUARTERLY FINANCIAL INFORMATION	28. UNAUDITED QUARTERLY FINANCIAL INFORMATION As discussed in Note 1 - Summary of Significant Accounting Policies , on December 31, 2016, the Company elected to reclassify loan servicing fees, amortization of mortgage servicing rights, net gain on sale of residential mortgage loans, and unrealized gain (loss) on interest rate locks into a single line item called "mortgage banking income" in the Company’s consolidated statements of income. Loan servicing fees and net gain on sale of residential mortgage loans were previously recorded in its own line in the other operating income section of the consolidated statements of income, while unrealized gain (loss) on interest rate locks was included as a component of other operating income - other. The amortization of mortgage servicing rights was previously recorded as a component of amortization and impairment of other intangible assets in the other operating expense section of the Company’s consolidated statements of income. The components of mortgage banking income are disclosed in Note 15 - Mortgage Banking Income to the consolidated financial statements. The Company believes the reclassification provides a better presentation of revenues and costs of our mortgage banking activities. The following unaudited quarterly financial information has been adjusted retrospectively for the reclassification. First Second Third Fourth Full Year (Dollars in thousands, except per share data) 2017 Total interest income $ 44,213 $ 45,080 $ 45,993 $ 47,276 $ 182,562 Total interest expense 2,958 3,451 3,998 4,452 14,859 Net interest income 41,255 41,629 41,995 42,824 167,703 Provision (credit) for loan and lease losses (80 ) (2,282 ) (126 ) (186 ) (2,674 ) Net interest income after provision (credit) for loan and lease losses 41,335 43,911 42,121 43,010 170,377 Income before income taxes 19,889 19,446 18,179 17,542 75,056 Net income 13,079 12,025 11,812 4,288 41,204 Basic earnings per share $ 0.43 $ 0.39 $ 0.39 $ 0.14 $ 1.36 Diluted earnings per share 0.42 0.39 0.39 0.14 1.34 First Second Third Fourth Full Year (Dollars in thousands, except per share data) 2016 Total interest income $ 41,249 $ 41,870 $ 41,765 $ 42,255 $ 167,139 Total interest expense 2,038 2,261 2,339 2,551 9,189 Net interest income 39,211 39,609 39,426 39,704 157,950 Provision (credit) for loan and lease losses (747 ) (1,382 ) (743 ) (2,645 ) (5,517 ) Net interest income after provision (credit) for loan and lease losses 39,958 40,991 40,169 42,349 163,467 Investment securities gains (losses) — — — — — Income before income taxes 17,248 18,468 17,858 18,646 72,220 Net income 11,181 12,137 11,466 12,208 46,992 Basic earnings per share $ 0.36 $ 0.39 $ 0.37 $ 0.40 $ 1.52 Diluted earnings per share 0.35 0.39 0.37 0.39 1.50

SUBSEQUENT EVENTS

SUBSEQUENT EVENTS	12 Months Ended
	Dec. 31, 2017
Subsequent Events [Abstract]
SUBSEQUENT EVENTS	29. SUBSEQUENT EVENTS There were no material subsequent events that have occurred which would require recognition or disclosure in these consolidated financial statements.

MORTGAGE BANKING INCOME MORTGAG

MORTGAGE BANKING INCOME MORTGAGE BANKING INCOME	12 Months Ended
	Dec. 31, 2017
Other Income and Expenses [Abstract]
MORTGAGE BANKING INCOME	15. MORTGAGE BANKING INCOME Noninterest income from the Company's mortgage banking activities include the following components for the periods presented: Year Ended December 31, 2017 2016 2015 (Dollars in thousands) Mortgage banking income: Loan servicing fees $ 5,337 $ 5,421 $ 5,656 Amortization of mortgage servicing rights (2,288 ) (5,066 ) (4,185 ) Net gain on sale of residential mortgage loans 4,069 7,631 6,107 Unrealized gain (loss) on interest rate locks (156 ) 83 (324 ) Total mortgage banking income $ 6,962 $ 8,069 $ 7,254

SUMMARY OF SIGNIFICANT ACCOUN38

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)	12 Months Ended
	Dec. 31, 2017
Accounting Policies [Abstract]
Principles of Consolidation	Principles of Consolidation The consolidated financial statements include the accounts of the Company and its majority-owned subsidiaries. All significant intercompany accounts and transactions have been eliminated in consolidation. In December 2015, we acquired a 50% ownership interest in a mortgage loan origination and brokerage company, One Hawaii HomeLoans, LLC. The bank concluded that the investment met the consolidation requirements under Financial Accounting Standards Board ("FASB") Accounting Standards Codification ("ASC") 810, " Consolidation ". The bank also concluded that the entity met the definition of a variable interest entity and that we were the primary beneficiary of the variable interest entity. Accordingly, the investment has been consolidated into our financial statements as of December 31, 2017 and 2016 . One Hawaii HomeLoans, LLC was terminated in 2017 with final payment of taxes and distributions to members pending. We have 50% ownership interests in four other mortgage loan origination and brokerage companies which are accounted for using the equity method and are included in investment in unconsolidated subsidiaries: Pacific Access Mortgage, LLC, Gentry HomeLoans, LLC, Haseko HomeLoans, LLC and Island Pacific HomeLoans, LLC. Pacific Access Mortgage, LLC was terminated in 2017 with final payment of taxes and distributions to members pending. We also have equity investments in affiliates that are accounted for under the cost method and are included in investment in unconsolidated subsidiaries. Our investments in unconsolidated subsidiaries accounted for under the equity and cost methods were $0.6 million and $6.5 million , respectively, at December 31, 2017 and $0.7 million and $6.2 million , respectively, at December 31, 2016 . Our policy for determining impairment of these investments includes an evaluation of whether a loss in value of an investment is other than temporary. Evidence of a loss in value includes absence of an ability to recover the carrying amount of the investment or the inability of the investee to sustain an earnings capacity which would justify the carrying amount of the investment. We perform impairment tests whenever indicators of impairment are present. If the value of an investment declines and it is considered other than temporary, the investment is written down to its respective fair value in the period in which this determination is made. The Company sponsors the Central Pacific Bank Foundation, which is not consolidated in the Company's financial statements.
Use of Estimates	Use of Estimates The preparation of the consolidated financial statements in conformity with generally accepted accounting principles in the United States ("GAAP") requires management to make estimates and assumptions that reflect the reported amounts of assets and liabilities and disclosures of contingent assets and contingent liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Material estimates that are particularly susceptible to significant change in the near term relate to the determination of the allowance and provision for loan and lease losses, reserves for unfunded loan commitments, deferred income tax assets and income tax expense, valuation of investment securities, mortgage servicing rights and the related amortization thereon, pension liability and the fair value of certain financial instruments.
Cash and Cash Equivalents	Cash and Cash Equivalents For purposes of the consolidated statements of cash flows, we consider cash and cash equivalents to include cash and due from banks, interest-bearing deposits in other banks, federal funds sold and all highly liquid investments with maturities of three months or less at the time of purchase.
Investment Securities	Investment Securities Investments in debt securities and marketable equity securities are designated as trading, available-for-sale, or held-to-maturity. Securities are designated as held-to-maturity only if we have the positive intent and ability to hold these securities to maturity. Held-to-maturity debt securities are reported at amortized cost. Trading securities are reported at fair value, with changes in fair value included in earnings. Available-for-sale securities are reported at fair value, with net unrealized gains and losses, net of taxes, included in accumulated other comprehensive income (loss) ("AOCI"). We use current quotations, where available, to estimate the fair value of investment securities. Where current quotations are not available, we estimate fair value based on the present value of expected future cash flows. We consider the facts of each security including the nature of the security, the amount and duration of the loss, credit quality of the issuer, the expectations for that security's performance and our intent and ability to hold the security until recovery. Declines in the value of debt securities and marketable equity securities that are considered other than temporary are recorded in other operating income. Realized gains and losses on the sale of investment securities are recorded in other operating income using the specific identification method. Interest income on investment securities includes amortization of premiums and accretion of discounts. We amortize premiums and accrete discounts associated with investment securities using the interest method over the life of the respective security instrument. We are a member of the Federal Home Loan Bank of Des Moines (the "FHLB"). The bank is required to obtain and hold a specific number of shares of capital stock of the FHLB equal to the sum of a membership investment requirement and an activity-based investment requirement. The securities are reported at cost and are presented separately in the consolidated balance sheets.
Loans Held for Sale	Loans Held for Sale Loans held for sale consists of the following two types: (1) Hawaii residential mortgage loans that are originated with the intent to sell them in the secondary market and (2) non-residential mortgage loans in both Hawaii and the U.S. Mainland that were originated with the intent to be held in our portfolio but were subsequently transferred to the held for sale category. Hawaii residential mortgage loans classified as held for sale are carried at the lower of cost or fair value on an aggregate basis, while the non-residential Hawaii and U.S. Mainland loans are recorded at the lower of cost or fair value on an individual basis. Net fees and costs associated with originating and acquiring the Hawaii residential mortgage loans held for sale are deferred and included in the basis for determining the gain or loss on sales of loans held for sale. We report the fair values of the non-residential mortgage loans classified as held for sale net of applicable selling costs on our consolidated balance sheets. Loans originated with the intent to be held in our portfolio are subsequently transferred to held for sale when our intent to hold for the foreseeable future has changed. At the time of a loan's transfer to the held for sale account, the loan is recorded at the lower of cost or fair value. Any reduction in the loan's value is reflected as a write-down of the recorded investment resulting in a new cost basis, with a corresponding reduction in the allowance for loan and lease losses. In subsequent periods, if the fair value of a loan classified as held for sale is less than its cost basis, a valuation adjustment is recognized in our consolidated statement of income in other operating expense and the carrying value of the loan is adjusted accordingly. The valuation adjustment may be recovered in the event that the fair value increases, which is also recognized in our consolidated statement of income in other operating expense. The fair value of loans classified as held for sale are generally based upon quoted prices for similar assets in active markets, acceptance of firm offer letters with agreed upon purchase prices, discounted cash flow models that take into account market observable assumptions, or independent appraisals of the underlying collateral securing the loans. Collateral values are determined based on appraisals received from qualified valuation professionals and are obtained periodically or when indicators that property values may be impaired are present. We sell residential mortgage loans under industry standard contractual provisions that include various representations and warranties, which typically cover ownership of the loan, compliance with loan criteria set forth in the applicable agreement, validity of the lien securing the loan, and other similar matters. We may be required to repurchase certain loans sold with identified defects, indemnify the investor, or reimburse the investor for any credit losses incurred. Our repurchase risk generally relates to early payment defaults and borrower fraud. We establish residential mortgage repurchase reserves to reflect this risk based on our estimate of losses after considering a combination of factors, including our estimate of future repurchase activity and our projection of incurred credit losses resulting from repurchased loans.
Loans	Loans Loans are stated at the principal amount outstanding, net of unearned income. Unearned income represents net deferred loan fees (costs) that are recognized over the life of the related loan as an adjustment to yield. Net deferred loan fees (costs) are amortized using the interest method over the contractual term of the loan, adjusted for actual prepayments. Unamortized fees (costs) on loans paid in full are recognized as a component of interest income. Interest income on loans is recognized on an accrual basis. For all loan types, the Company determines delinquency status by considering the number of days full payments required by the contractual terms of the loan are past due. Loans are placed on nonaccrual status when interest payments are 90 days past due, or earlier should management determine that the borrowers will be unable to meet contractual principal and/or interest obligations, unless the loans are well-secured and in the process of collection. When a loan is placed on nonaccrual status, all interest previously accrued but not collected is reversed against current period interest income should management determine that the collectibility of such accrued interest is doubtful. All subsequent receipts are applied to principal outstanding and no interest income is recognized unless the financial condition and payment record of the borrowers warrant such recognition. A nonaccrual loan may be restored to an accrual basis when principal and interest payments are current and full payment of principal and interest is expected.
Allowance for Loan and Lease Losses	Allowance for Loan and Lease Losses The allowance for loan and lease losses (the "Allowance") is established through provisions for loan and lease losses (the "Provision") charged against income. Our policy is to charge a loan off in the period in which the loan is deemed to be uncollectible and all interest previously accrued but not collected is reversed against current period interest income. We consider a loan to be uncollectible when it is probable that a loss has been incurred and the Company can make a reasonable estimate of the loss. In these instances, the likelihood of and/or timeframe for recovery of the amount due is uncertain, weak, or protracted. Subsequent receipts, if any, are credited first to the remaining principal, then to the Allowance as recoveries, and finally to unaccrued interest. The Allowance is management's estimate of credit losses inherent in our loan and lease portfolio at the balance sheet date. We maintain our Allowance at an amount we expect to be sufficient to absorb probable losses inherent in our loan and lease portfolio based on a projection of probable net loan charge-offs. During the fourth quarter of 2016, the Company implemented an enhanced Allowance methodology due to the growth in the portfolio and improved credit quality. Management believes the enhanced methodology provides for greater precision in calculating the Allowance. The following summarizes the key enhancements made to the Allowance methodology: • Collapsed 128 segments into nine segments. The enhanced methodology uses FDIC Call Report codes to identify the nine segments. • Expanded the look-back period to 28 quarters to capture a longer economic cycle. • Utilized a migration analysis, versus average historical loss rate, to determine the historical loss rates for segments, with the exception of national syndicated loans due to limited loss history. • Applied a segment specific loss emergence period. • Determined qualitative reserves, calculated at the segment level, considering nine qualitative factors and based on a baseline risk weighting adjusted for current internal and external factors. • Eliminated the Moody's proxy rate that was applied under the previous methodology. • Eliminated the unallocated reserve. These enhancements and continued improvement in portfolio credit quality resulted in a credit to the Provision of $2.6 million during the fourth quarter of 2016. In 2017 the Company continued to implement the enhanced Allowance methodology from the fourth quarter of 2016, which resulted in a credit to the Provision of $2.7 million in the year ended December 31, 2017 . The Company's approach to developing the Allowance has three basic elements. These elements include specific reserves for individually impaired loans, a general allowance for loans other than those analyzed as individually impaired, and qualitative adjustments based on environmental and other factors which may be internal or external to the Company. These three elements are explained below. Specific Reserve Individually impaired loans in all loan categories are evaluated using one of three valuation methods as prescribed under Accounting Standards Codification ("ASC") 310-10, Fair Value of Collateral, Observable Market Price, or Cash Flow . A loan is generally evaluated for impairment on an individual basis if it meets one or more of the following characteristics: risk-rated as substandard, doubtful or loss, loans on nonaccrual status, troubled debt restructures, or any loan deemed prudent by management to so analyze. If the valuation of the impaired loan is less than the recorded investment in the loan, the deficiency will be charged off against the Allowance or, alternatively, a specific reserve will be established and included in the overall Allowance balance. General Allowance In determining the general allowance component of the Allowance, the Company utilizes a comprehensive approach to segment the loan portfolio into homogeneous groups. The enhanced methodology segments the portfolio by FDIC Call Report codes. In the second quarter of 2017, an additional segment was added for auto dealer purchased loans. This results in ten segments, and is consistent with general industry practice. For the purpose of determining general allowance loss factors, loss experience is derived from a migration analysis, with the exception of national syndicated loans and auto dealer purchased loans where an average historical loss rate is applied due to limited historical loss experience. The key inputs to run a migration analysis are the length of the migration period, the dates for the migration periods to start and the number of migration periods used for the analysis. For each migration period, the analysis will determine the outstanding balance in each segment and/or sub-segment at the start of each period. These loans will then be followed for the length of the migration period to identify the amount of associated charge-offs and recoveries. A loss rate for each migration period is calculated using the formula ‘net charge-offs over the period divided by beginning loan balance'. The Allowance methodology applies a look back period to January 1, 2010. The Company extends its look back period with each additional quarter passing. Qualitative Adjustments Our Allowance methodology uses qualitative adjustments to address changes in conditions, trends, and circumstances such as economic conditions and industry changes that could have a significant impact on the risk profile of the loan portfolio, and provide for losses in the loan portfolio that may not be reflected and/or captured in the historical loss data. In order to ensure that the qualitative adjustments are in compliance with current regulatory standards and U.S. GAAP, the Company is primarily basing adjustments on the nine standard factors outlined in the 2006 Interagency Policy Statement on the Allowance for Loan and Lease Losses. These factors include: lending policies, economic conditions, loan profile, lending staff, problem loan trends, loan review, collateral, credit concentrations and other internal and external factors. In recognizing that current and relevant environmental (economic, market or other) conditions that can affect repayment may not yet be fully reflected in historical loss experience, qualitative adjustments are applied to factor in current loan portfolio and market intelligence. These adjustments, which are added to the historical loss rate, consider the nature of the Company's primary markets and are reasonable, consistently determined and appropriately documented. Management reviews the results of the qualitative adjustment quarterly to ensure it is consistent with the trends in the overall economy, and from time to time may make adjustments, if necessary, to ensure directional consistency.
Reserve for Unfunded Commitments	Reserve for Unfunded Commitments Our process for determining the reserve for unfunded loan commitments utilizes historical loss rates and is adjusted for estimated loan funding probabilities. The reserve for unfunded loan commitments is recorded separately through a valuation allowance included in other liabilities. Credit losses for off-balance sheet credit exposures are deducted from the allowance for credit losses on off-balance sheet credit exposures in the period in which the liability is settled. The allowance for credit losses on off-balance sheet credit losses is established by a charge to other operating expense.
Premises and Equipment	Premises and Equipment Premises and equipment are stated at cost, net of accumulated depreciation and amortization. Depreciation and amortization are included in other operating expense and are computed using the straight-line method over the shorter of the estimated useful lives of the assets or the applicable leases. Useful lives generally range from five to thirty-nine years for premises and improvements, and one to seven years for equipment. Major improvements and betterments are capitalized, while recurring maintenance and repairs are charged to operating expense. Net gains or losses on dispositions of premises and equipment are included in other operating income and operating expense.
Other Intangible Assets	Core Deposit Premium and Mortgage Servicing Rights Our core deposit premium is being amortized over 14 years which approximates the estimated life of the purchased deposits. The carrying value of our core deposit premium is periodically evaluated to estimate the remaining periods of benefit. If these periods of benefit are determined to be less than the remaining amortizable life, an adjustment to reflect such shorter life will be made. Mortgage servicing rights are recorded when loans are sold to third-parties with servicing of those loans retained and we classify our entire mortgage servicing rights into one class. We utilize the amortization method to measure our mortgage servicing rights. Under the amortization method, we amortize our mortgage servicing rights in proportion to and over the period of net servicing income. Income generated as the result of new mortgage servicing rights is reported as gains on sales of loans. Amortization of the servicing rights is reported as a component of mortgage banking income in our consolidated statements of income. Ancillary income is recorded in other income. Initial fair value of the servicing right is calculated by a discounted cash flow model prepared by a third-party service provider based on market value assumptions at the time of origination and we assess the servicing right for impairment using current market value assumptions at each reporting period. Critical assumptions used in the discounted cash flow model include mortgage prepayment speeds, discount rates, costs to service and ancillary income. Variations in our assumptions could materially affect the estimated fair values. Changes to our assumptions are made when current trends and market data indicate that new trends have developed. Current market value assumptions based on loan product types (fixed-rate, adjustable-rate and balloon loans) include average discount rates, servicing cost and ancillary income. Many of these assumptions are subjective and require a high level of management judgment. Our mortgage servicing rights portfolio and valuation assumptions are periodically reviewed by management. Prepayment speeds may be affected by economic factors such as home price appreciation, market interest rates, the availability of other credit products to our borrowers and customer payment patterns. Prepayment speeds include the impact of all borrower prepayments, including full payoffs, additional principal payments and the impact of loans paid off due to foreclosure liquidations. We perform an impairment assessment of our core deposit premium and mortgage servicing rights quarterly or whenever events or changes in circumstance indicate that the carrying value of those assets may not be recoverable. Our impairment assessments involve, among other valuation methods, the estimation of future cash flows and other methods of determining fair value. Estimating future cash flows and determining fair values is subject to judgments and often involves the use of significant estimates and assumptions. The variability of the factors we use to perform our impairment tests depend on a number of conditions, including uncertainty about future events and cash flows. All such factors are interdependent and, therefore, do not change in isolation. Accordingly, our accounting estimates may materially change from period to period due to changing market factors.
Other Real Estate	Other Real Estate Other real estate is composed of properties acquired through foreclosure proceedings and is initially recorded at fair value less estimated costs to sell the property, thereby establishing the new cost basis of other real estate. Losses arising at the time of acquisition of such properties are charged against the Allowance. Subsequent to acquisition, such properties are carried at the lower of cost or fair value less estimated selling expenses, determined on an individual asset basis. Any deficiency resulting from the excess of cost over fair value less estimated selling expenses is recognized as a valuation allowance. Any subsequent increase in fair value up to its cost basis is recorded as a reduction of the valuation allowance. Increases or decreases in the valuation allowance are included in other operating expense. Net gains or losses recognized on the sale of these properties are included in other operating income.
Non-Controlling Interest	Non-Controlling Interest Non-controlling interest at December 31, 2017 was comprised of capital and undistributed profits of the member of One Hawaii HomeLoans, LLC, other than the bank. Non-controlling interest on our consolidated balance sheet at December 31, 2017 and December 31, 2016 totaled $24 thousand and $25 thousand , respectively.
Share Based Compensation	Share Based Compensation Share-based compensation cost is measured at the grant date, based on the estimated fair value of the award, and is recognized as expense over the employee's requisite service period. We use the Black-Scholes option-pricing model to determine the fair-value of stock options and we recognize compensation expense for all share-based payment awards on a straight-line basis over their respective vesting period. See Note 16 - Share-Based Compensation for further discussion of our stock-based compensation.
Income Taxes	Income Taxes Deferred tax assets and liabilities are recognized for the estimated future tax effects attributable to temporary differences and carryforwards. A valuation allowance may be required if, based on the weight of available evidence, it is more likely than not that some portion or all of the deferred tax assets will not be realized. In determining whether a valuation allowance is necessary, we consider the level of taxable income in prior years, to the extent that carrybacks are permitted under current tax laws, as well as estimates of future taxable income and tax planning strategies that could be implemented to accelerate taxable income, if necessary. If our estimates of future taxable income were materially overstated or if our assumptions regarding the tax consequences of tax planning strategies were inaccurate, some or all of our deferred tax assets may not be realized, which would result in a charge to earnings. We recognize interest and penalties related to income tax matters in other expense. We establish income tax contingency reserves for potential tax liabilities related to uncertain tax positions. Tax benefits are recognized when we determine that it is more likely than not that such benefits will be realized. Where uncertainty exists due to the complexity of income tax statutes, and where the potential tax amounts are significant, we generally seek independent tax opinions to support our positions. If our evaluation of the likelihood of the realization of benefits is inaccurate, we could incur additional income tax and interest expense that would adversely impact earnings, or we could receive tax benefits greater than anticipated which would positively impact earnings.
Earnings per Share	Earnings per Share Basic earnings per share is computed by dividing net income available to common shareholders by the weighted average number of common shares outstanding during the period, excluding unvested restricted stock awards. Diluted earnings per share is computed by dividing net income available to common shareholders by the weighted average number of common shares outstanding during the period, increased by the dilutive effect of stock options and stock awards, less shares held in a Rabbi trust pursuant to a deferred compensation plan for directors.
Forward Foreign Exchange Contracts	Forward Foreign Exchange Contracts We are periodically a party to a limited amount of forward foreign exchange contracts to satisfy customer requirements for foreign currencies. These contracts are not utilized for trading purposes and are carried at market value, with realized gains and losses included in fees on foreign exchange.
Derivatives and Hedging Activities	Derivatives and Hedging Activities We recognize all derivatives on the balance sheet at fair value. On the date that we enter into a derivative contract, we designate the derivative as (1) a hedge of the fair value of an identified asset or liability ("fair value hedge"), (2) a hedge of a forecasted transaction or of the variability of cash flows to be received or paid related to an identified asset or liability ("cash flow hedge") or (3) a transaction not qualifying for hedge accounting ("free standing derivative"). For a fair value hedge, changes in the fair value of the derivative and, to the extent that it is effective, changes in the fair value of the hedged asset or liability, attributable to the hedged risk, are recorded in current period net income in the same financial statement category as the hedged item. For a cash flow hedge, changes in the fair value of the derivative, to the extent that it is effective, is recorded in other comprehensive income (loss) ("OCI"). These changes in fair value are subsequently reclassified to net income in the same period(s) that the hedged transaction affects net income in the same financial statement category as the hedged item. For free standing derivatives, changes in fair values are reported in current period other operating income.
Recent Accounting Pronouncements	Accounting Standards Adopted in 2017 In March 2016, the FASB issued ASU 2016-09, "Compensation-Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting." ASU 2016-09 simplifies the accounting for share-based payments. Specifically, the amendments: 1) require entities to record all excess tax benefits and tax deficiencies as an income tax benefit or expense in the income statement; 2) change the classification of excess tax benefits to an operating activity in the statement of cash flows; 3) allows entities to elect an accounting policy to either estimate the number of forfeitures or account for forfeitures when they occur; and 4) allows entities to withhold up to the maximum individual statutory tax rate without classifying the awards as a liability. We adopted ASU 2016-09 effective January 1, 2017 and elected to recognize forfeitures as they occur. The Company’s adoption was prospective, therefore, prior periods have not been adjusted. The adoption of ASU 2016-09 could result in greater volatility to reported income tax expense related to excess tax benefits and tax deficiencies for employee share-based payments. The volatility results from changes in the share price and timing of exercise of share options and vesting of share awards. For the year ended December 31, 2017 , the adoption of ASU 2016-09 resulted in a decrease to the provision for income taxes due to the tax benefit from the vesting of restricted stock units. Accounting Standards Pending Adoption In May 2014, the FASB issued ASU 2014-09, "Revenue from Contracts with Customers (Topic 606)." ASU 2014-09 requires an entity to recognize the amount of revenue to which it expects to be entitled for the transfer of promised goods or services to customers. This ASU will replace most existing revenue recognition guidance in GAAP when it becomes effective. ASU 2014-09 was initially going to be effective for the Company's reporting period beginning on January 1, 2017. However, in August 2015, the FASB issued ASU 2015-14, "Revenue from Contracts with Customers (Topic 606): Deferral of the Effective Date" which defers the effective date by one year. For financial reporting purposes, the standard allows for either a full retrospective or modified retrospective adoption. The FASB has also issued additional updates to provide further clarification to specific implementation issues associated with ASU 2014-09. These updates include ASU 2016-08, "Revenue from Contracts with Customers (Topic 606): Principal versus Agent Considerations," ASU 2016-10, "Revenue from Contracts with Customers (Topic 606): Identifying Performance Obligations and Licensing," ASU 2016-12, "Revenue from Contracts with Customers (Topic 606): Narrow-Scope Improvements and Practical Expedients," and ASU 2016-20 "Technical Corrections and Improvements to Topic 606." Our revenue is comprised of net interest income on financial assets and financial liabilities, which is our main source of income, and other operating income. The scope of ASU 2014-09 explicitly excludes net interest income, as well as other revenues associated with financial assets and liabilities, including loans, leases, securities and derivatives. With respect to other operating income, the Company has conducted a comprehensive scoping exercise to determine the revenue streams that are in scope of the guidance. This includes reviewing the contracts potentially impacted by the standard in revenue streams such as deposit related fees, merchant fees, bank card fees, interchange fees, commissions income, trust and asset management fees, foreign exchange fees, and loan placement fees. The Company is substantially complete with its evaluation of the effect that the adoption will have on its financial statements. Based on our analysis, we expect that the standard will require us to change how we recognize certain recurring revenue streams on a gross versus net basis; however, the standard will not have an impact to our net income or any material impact to our consolidated financial statements. We continue to follow implementation issues relevant to the banking industry, and consider the disclosure requirements upon implementation and adoption of the standard beginning January 1, 2018 under the modified retrospective approach; however, we do not expect a cumulative-effect adjustment to opening retained earnings (accumulated deficit) will be recorded.

INVESTMENT SECURITIES (Tables)

INVESTMENT SECURITIES (Tables)	12 Months Ended
	Dec. 31, 2017
Investments, Debt and Equity Securities [Abstract]
Summary of available for sale and held to maturity investment securities	Amortized Gross Gross Fair (Dollars in thousands) December 31, 2016 Held-to-Maturity: Mortgage-backed securities: Residential-U.S. Government sponsored entities $ 124,082 $ 92 $ (2,474 ) $ 121,700 Commercial-U.S. Government sponsored entities 93,586 — (920 ) 92,666 Total held-to-maturity investment securities $ 217,668 $ 92 $ (3,394 ) $ 214,366 Available-for-Sale: Debt securities: States and political subdivisions $ 184,836 $ 2,002 $ (1,797 ) $ 185,041 Corporate securities 98,596 974 (181 ) 99,389 Mortgage-backed securities: Residential-U.S. Government sponsored entities 775,803 3,698 (9,515 ) 769,986 Residential-Non-government sponsored entities 51,681 627 (761 ) 51,547 Commercial-Non-government sponsored entities 135,248 2,387 (411 ) 137,224 Other 564 96 — 660 Total available-for-sale investment securities $ 1,246,728 $ 9,784 $ (12,665 ) $ 1,243,847 A summary of our investment securities portfolio as of December 31, 2017 and 2016 is as follows: Amortized Gross Gross Fair (Dollars in thousands) December 31, 2017 Held-to-Maturity: Mortgage-backed securities: Residential-U.S. Government sponsored entities $ 100,279 $ 106 $ (2,222 ) $ 98,163 Commercial-U.S. Government sponsored entities 91,474 — (436 ) 91,038 Total held-to-maturity investment securities $ 191,753 $ 106 $ (2,658 ) $ 189,201 Available-for-Sale: Debt securities: States and political subdivisions $ 178,459 $ 2,041 $ (719 ) $ 179,781 Corporate securities 73,772 582 (76 ) 74,278 U.S. Treasury obligations and direct obligations of U.S Government agencies 25,519 60 (69 ) 25,510 Mortgage-backed securities: Residential-U.S. Government sponsored entities 808,242 2,230 (9,789 ) 800,683 Residential-Non-government sponsored entities 45,679 1,084 — 46,763 Commercial-U.S. Government agencies and sponsored entities 40,012 — (287 ) 39,725 Commercial-Non-government sponsored entities 135,058 2,461 (193 ) 137,326 Other 686 139 — 825 Total available-for-sale investment securities $ 1,307,427 $ 8,597 $ (11,133 ) $ 1,304,891
Schedule of amortized cost and estimated fair value of investment securities by contractual maturity	The amortized cost and estimated fair value of our investment securities at December 31, 2017 by contractual maturity are shown below. Actual maturities may differ from contractual maturities as issuers have the right to call or prepay obligations with or without call or prepayment penalties. Securities not due at a single maturity date are shown separately. December 31, 2017 Amortized Cost Fair Value (Dollars in thousands) Held-to-Maturity: Mortgage-backed securities: Residential-U.S. Government-sponsored entities $ 100,279 $ 98,163 Commercial-U.S. Government-sponsored entities 91,474 91,038 Total held-to-maturity investment securities $ 191,753 $ 189,201 Available-for-Sale: Due in one year or less $ 8,796 $ 8,799 Due after one year through five years 165,356 166,447 Due after five years through ten years 40,762 41,166 Due after ten years 62,836 63,157 Mortgage-backed securities Residential-U.S. Government-sponsored entities 808,242 800,683 Residential-Non-government agencies 45,679 46,763 Commercial-U.S. Government agencies and sponsored entities 40,012 39,725 Commercial-Non-government agencies 135,058 137,326 Other 686 825 Total available-for-sale investment securities $ 1,307,427 $ 1,304,891
Schedule of investment securities in an unrealized loss position	The following table summarizes securities which were in an unrealized or unrecognized loss position at December 31, 2017 and 2016 , aggregated by major security type and length of time in a continuous unrealized or unrecognized loss position: Less Than 12 Months 12 Months or Longer Total Description of Securities Fair Unrealized Fair Unrealized Fair Unrealized (Dollars in thousands) December 31, 2017 Debt securities: States and political subdivisions $ 53,811 $ (305 ) $ 15,403 $ (414 ) $ 69,214 $ (719 ) Corporate securities — — 5,307 (76 ) 5,307 (76 ) U.S. Treasury obligations and direct obligations of U.S Government agencies 10,740 (69 ) — — 10,740 (69 ) Mortgage-backed securities: Residential-U.S. Government sponsored entities 335,883 (3,372 ) 340,219 (8,639 ) 676,102 (12,011 ) Commercial-U.S. Government sponsored entities 130,763 (723 ) — — 130,763 (723 ) Commercial-Non-government sponsored entities 28,490 (193 ) — — 28,490 (193 ) Total temporarily impaired securities $ 559,687 $ (4,662 ) $ 360,929 $ (9,129 ) $ 920,616 $ (13,791 ) Less Than 12 Months 12 Months or Longer Total Description of Securities Fair Unrealized Fair Unrealized Fair Unrealized (Dollars in thousands) December 31, 2016 Debt securities: States and political subdivisions $ 85,288 $ (1,797 ) $ — $ — $ 85,288 $ (1,797 ) Corporate securities 20,357 (181 ) — — 20,357 (181 ) Mortgage-backed securities: Residential-U.S. Government sponsored entities 648,923 (11,766 ) 3,978 (223 ) 652,901 (11,989 ) Residential-Non-government sponsored entities 30,596 (761 ) — — 30,596 (761 ) Commercial-U.S. Government sponsored entities 92,666 (920 ) — — 92,666 (920 ) Commercial-Non-government sponsored entities 52,880 (411 ) — — 52,880 (411 ) Total temporarily impaired securities $ 930,710 $ (15,836 ) $ 3,978 $ (223 ) $ 934,688 $ (16,059 )

LOANS AND LEASES (Tables)

LOANS AND LEASES (Tables)	12 Months Ended
	Dec. 31, 2017
Receivables [Abstract]
Schedule of loans and leases, excluding loans held for sale	Loans and leases, excluding loans held for sale, consisted of the following as of December 31, 2017 and 2016 : December 31, 2017 2016 (Dollars in thousands) Commercial, financial & agricultural $ 503,738 $ 509,987 Real estate: Construction 64,525 101,729 Residential mortgage 1,337,193 1,213,983 Home equity 412,230 361,210 Commercial mortgage 979,239 886,615 Consumer 470,819 448,610 Leases 362 677 Subtotal 3,768,106 3,522,811 Net deferred costs 2,509 2,079 Total loans and leases $ 3,770,615 $ 3,524,890
Schedule of activity of loans made to certain directors, executive officers and their affiliates	In the normal course of business, our bank makes loans to certain directors, executive officers and their affiliates. These loans are made in the ordinary course of business at normal credit terms. As of December 31, 2017 and December 31, 2016 , related party loan balances were $32.2 million and $17.1 million , respectively.
Schedule of balance in the allowance for loan and lease losses and the recorded investment in loans and lease based on the impairment measurement methods, by class	The following tables present by class, the balance in the Allowance and the recorded investment in loans and leases based on the Company's impairment method as of December 31, 2017 and 2016 : Real Estate Comml., Constr. Resi. Home Comml. Consumer Leases Total (Dollars in thousands) December 31, 2017 Allowance: Individually evaluated for impairment $ — $ — $ — $ — $ — $ — $ — $ — Collectively evaluated for impairment 7,594 1,835 14,328 3,317 16,801 6,126 — 50,001 Total ending balance $ 7,594 $ 1,835 $ 14,328 $ 3,317 $ 16,801 $ 6,126 $ — $ 50,001 Loans and leases: Individually evaluated for impairment $ 491 $ 2,597 $ 13,862 $ 416 $ 3,914 $ — $ — $ 21,280 Collectively evaluated for impairment 503,247 61,928 1,323,331 411,814 975,325 470,819 362 3,746,826 Subtotal 503,738 64,525 1,337,193 412,230 979,239 470,819 362 3,768,106 Net deferred costs (income) 281 (285 ) 4,028 — (1,442 ) (73 ) — 2,509 Total ending balance $ 504,019 $ 64,240 $ 1,341,221 $ 412,230 $ 977,797 $ 470,746 $ 362 $ 3,770,615 Real Estate Comml., Constr. Resi. Home Comml. Consumer Leases Unallocated Total (Dollars in thousands) December 31, 2016 Allowance: Individually evaluated for impairment $ — $ — $ — $ — $ — $ — $ — $ — $ — Collectively evaluated for impairment 8,637 4,224 15,055 3,502 19,104 6,109 — — 56,631 Total ending balance $ 8,637 $ 4,224 $ 15,055 $ 3,502 $ 19,104 $ 6,109 $ — $ — $ 56,631 Loans and leases: Individually evaluated for impairment $ 1,877 $ 2,936 $ 19,940 $ 333 $ 5,637 $ — $ — $ — $ 30,723 Collectively evaluated for impairment 508,110 98,793 1,194,043 360,877 880,978 448,610 677 — 3,492,088 Subtotal 509,987 101,729 1,213,983 361,210 886,615 448,610 677 — 3,522,811 Net deferred costs (income) 453 (191 ) 3,251 (1 ) (1,176 ) (257 ) — — 2,079 Total ending balance $ 510,440 $ 101,538 $ 1,217,234 $ 361,209 $ 885,439 $ 448,353 $ 677 $ — $ 3,524,890
Schedule of impaired loans, by class	The following table presents by class, impaired loans as of December 31, 2017 and 2016 : December 31, 2017 December 31, 2016 Unpaid Recorded Allowance Unpaid Recorded Allowance (Dollars in thousands) Impaired loans with no related Allowance recorded: Commercial, financial & agricultural $ 602 $ 491 $ — $ 1,988 $ 1,877 $ — Real estate: Construction 7,947 2,597 — 9,056 2,936 — Residential mortgage 14,920 13,862 — 21,568 19,940 — Home equity 416 416 — 333 333 — Commercial mortgage 3,914 3,914 — 5,637 5,637 — Total impaired loans with no related Allowance recorded 27,799 21,280 — 38,582 30,723 — Total impaired loans $ 27,799 $ 21,280 $ — $ 38,582 $ 30,723 $ —
Schedule of average recorded investment and interest income recognized on impaired loans, by class	The following table presents by class, the average recorded investment and interest income recognized on impaired loans during the years ended December 31, 2017 , 2016 and 2015 : Year Ended Year Ended Year Ended December 31, 2017 December 31, 2016 December 31, 2015 Average Interest Average Interest Average Interest (Dollars in thousands) Commercial, financial & agricultural $ 1,272 $ 24 $ 1,891 $ 10 $ 6,273 $ 17 Real estate: Construction 2,760 99 3,509 123 4,428 190 Residential mortgage 17,122 1,843 21,809 236 25,556 60 Home equity 1,213 69 472 17 545 18 Commercial mortgage 4,893 313 8,537 321 14,240 373 Total $ 27,260 $ 2,348 $ 36,218 $ 707 $ 51,042 $ 658
Schedule of aging of the recorded investment in past due loans and leases, by class	The following tables present by class, the aging of the recorded investment in past due loans and leases as of December 31, 2017 and 2016 : Accruing Accruing Accruing Loans Greater Than 90 Days Past Due Nonaccrual Total Loans and Total (Dollars in thousands) December 31, 2017 Commercial, financial & agricultural $ 410 $ 355 $ — $ — $ 765 $ 503,254 $ 504,019 Real estate: Construction — — — — — 64,240 64,240 Residential mortgage 4,037 2,127 49 2,280 8,493 1,332,728 1,341,221 Home equity 105 264 — 416 785 411,445 412,230 Commercial mortgage — — — 79 79 977,718 977,797 Consumer 2,126 1,056 515 — 3,697 467,049 470,746 Leases — — — — — 362 362 Total $ 6,678 $ 3,802 $ 564 $ 2,775 $ 13,819 $ 3,756,796 $ 3,770,615 Accruing Accruing Accruing Loans Greater Than 90 Days Past Due Nonaccrual Total Loans and Total (Dollars in thousands) December 31, 2016 Commercial, financial & agricultural $ 761 $ 80 $ — $ 1,877 $ 2,718 $ 507,722 $ 510,440 Real estate: Construction — — — — — 101,538 101,538 Residential mortgage 5,014 478 — 5,322 10,814 1,206,420 1,217,234 Home equity 43 280 1,120 333 1,776 359,433 361,209 Commercial mortgage 127 — — 864 991 884,448 885,439 Consumer 1,382 625 271 — 2,278 446,075 448,353 Leases — — — — — 677 677 Total $ 7,327 $ 1,463 $ 1,391 $ 8,396 $ 18,577 $ 3,506,313 $ 3,524,890
Schedule of information related to loans modifications in a TDR, by class	The following table presents by class, information related to loans modified in a TDR during the years ended December 31, 2017 and 2016 : Year Ended December 31, 2017 Year Ended December 31, 2016 Number of Recorded Increase in Number of Recorded Increase in (Dollars in thousands) Commercial, financial & agricultural — $ — $ — — $ — $ — Real estate: Residential mortgage 3 104 — 3 282 — Total 3 104 — 3 282 —
Schedule of recorded investment in the loans and leases, by class and credit indicator	The following tables present by class and credit indicator, the recorded investment in the Company's loans and leases as of December 31, 2017 and 2016 : Pass Special Substandard Loss Subtotal Net Total (Dollars in thousands) December 31, 2017 Commercial, financial & agricultural $ 474,995 $ 7,543 $ 21,200 $ — $ 503,738 $ 281 $ 504,019 Real estate: Construction 55,646 8,879 — — 64,525 (285 ) 64,240 Residential mortgage 1,334,760 — 2,433 — 1,337,193 4,028 1,341,221 Home equity 411,814 — 416 — 412,230 — 412,230 Commercial mortgage 955,865 12,735 10,639 — 979,239 (1,442 ) 977,797 Consumer 470,243 — 305 271 470,819 (73 ) 470,746 Leases 362 — — — 362 — 362 Total $ 3,703,685 $ 29,157 $ 34,993 $ 271 $ 3,768,106 $ 2,509 $ 3,770,615 Pass Special Substandard Loss Subtotal Net Total (Dollars in thousands) December 31, 2016 Commercial, financial & agricultural $ 502,305 $ 2,632 $ 5,050 $ — $ 509,987 $ 453 $ 510,440 Real estate: Construction 91,812 9,896 21 — 101,729 (191 ) 101,538 Residential mortgage 1,208,552 109 5,322 — 1,213,983 3,251 1,217,234 Home equity 359,757 — 1,453 — 361,210 (1 ) 361,209 Commercial mortgage 852,872 18,845 14,898 — 886,615 (1,176 ) 885,439 Consumer 448,262 — 190 158 448,610 (257 ) 448,353 Leases 677 — — — 677 — 677 Total $ 3,464,237 $ 31,482 $ 26,934 $ 158 $ 3,522,811 $ 2,079 $ 3,524,890

ALLOWANCE FOR LOAN AND LEASE 41

ALLOWANCE FOR LOAN AND LEASE LOSSES (Tables)	12 Months Ended
	Dec. 31, 2017
Receivables [Abstract]
Schedule of activity in the allowance, by class	The following tables present by class, the activity in the Allowance for the periods indicated: Real Estate Commercial, Construction Residential Home Commercial Consumer Leases Unallocated Total (Dollars in thousands) Year ended December 31, 2017 Beginning balance $ 8,637 $ 4,224 $ 15,055 $ 3,502 $ 19,104 $ 6,109 $ — $ — $ 56,631 Provision (credit) for loan and lease losses (705 ) (2,558 ) (1,533 ) (229 ) (2,460 ) 4,811 — — (2,674 ) 7,932 1,666 13,522 3,273 16,644 10,920 — — 53,957 Charge-offs 1,704 — 73 — — 6,294 — — 8,071 Recoveries 1,366 169 879 44 157 1,500 — — 4,115 Net charge-offs (recoveries) 338 (169 ) (806 ) (44 ) (157 ) 4,794 — — 3,956 Ending balance $ 7,594 $ 1,835 $ 14,328 $ 3,317 $ 16,801 $ 6,126 $ — $ — $ 50,001 Real Estate Commercial, Construction Residential Home Commercial Consumer Leases Unallocated Total (Dollars in thousands) Year ended December 31, 2016 Beginning balance $ 6,905 $ 8,454 $ 14,642 $ 3,096 $ 21,847 $ 6,230 $ — $ 2,140 $ 63,314 Provision (credit) for loan and lease losses 1,217 (4,363 ) (282 ) 391 (3,558 ) 3,218 — (2,140 ) (5,517 ) 8,122 4,091 14,360 3,487 18,289 9,448 — — 57,797 Charge-offs 1,599 — — — 209 5,054 — — 6,862 Recoveries 2,114 133 695 15 1,024 1,715 — — 5,696 Net charge-offs (recoveries) (515 ) (133 ) (695 ) (15 ) (815 ) 3,339 — — 1,166 Ending balance $ 8,637 $ 4,224 $ 15,055 $ 3,502 $ 19,104 $ 6,109 $ — $ — $ 56,631 Real Estate Commercial, Construction Residential Home Commercial Consumer Leases Unallocated Total (Dollars in thousands) Year ended December 31, 2015 Beginning balance $ 8,954 $ 14,969 $ 15,031 $ 2,896 $ 20,869 $ 7,314 $ 7 $ 4,000 $ 74,040 Provision (credit) for loan and lease losses (1,179 ) (7,395 ) (1,510 ) (746 ) (4,903 ) 1,956 (34 ) (1,860 ) (15,671 ) 7,775 7,574 13,521 2,150 15,966 9,270 (27 ) 2,140 58,369 Charge-offs 5,658 — — 110 838 4,650 — — 11,256 Recoveries 4,788 880 1,121 1,056 6,719 1,610 27 — 16,201 Net charge-offs 870 (880 ) (1,121 ) (946 ) (5,881 ) 3,040 (27 ) — (4,945 ) Ending balance $ 6,905 $ 8,454 $ 14,642 $ 3,096 $ 21,847 $ 6,230 $ — $ 2,140 $ 63,314
Schedule of changes in the allowance for loan and lease losses for impaired loans	Changes in the allowance for loan and lease losses for impaired loans (included in the above amounts) were as follows: Year Ended December 31, 2017 2016 2015 (Dollars in thousands) Balance, beginning of year $ — $ 51 $ 1,533 Provision for loan and lease losses — — 51 Other changes — (51 ) (1,533 ) Balance, end of year $ — $ — $ 51

PREMISES AND EQUIPMENT (Tables)

PREMISES AND EQUIPMENT (Tables)	12 Months Ended
	Dec. 31, 2017
Property, Plant and Equipment [Abstract]
Schedule of premises and equipment	Premises and equipment consisted of the following as of December 31, 2017 and 2016 : December 31, 2017 2016 (Dollars in thousands) Land $ 8,309 $ 8,309 Office buildings and improvements 100,314 96,898 Furniture, fixtures and equipment 37,132 34,191 Gross premises and equipment 145,755 139,398 Accumulated depreciation and amortization (97,407 ) (91,140 ) Net premises and equipment $ 48,348 $ 48,258
Schedule of operating expenses to which depreciation and amortization of premises and equipment were charged	Depreciation and amortization of premises and equipment were charged to the following operating expenses: Year Ended December 31, 2017 2016 2015 (Dollars in thousands) Net occupancy $ 3,880 $ 4,097 $ 3,997 Equipment 2,561 1,952 1,873 Total $ 6,441 $ 6,049 $ 5,870

INVESTMENTS IN UNCONSOLIDATED43

INVESTMENTS IN UNCONSOLIDATED SUBSIDIARIES (Tables)	12 Months Ended
	Dec. 31, 2017
Investments in and Advances to Affiliates, Schedule of Investments [Abstract]
Schedule of Investments in and Advances to Affiliates, Schedule of Investments [Table Text Block]	Investments in unconsolidated subsidiaries as of December 31, 2017 and 2016 consisted of the following components: December 31, 2017 2016 (Dollars in thousands) Investments in low income housing tax credit partnerships $ 3,608 $ 3,353 Trust preferred investments 2,792 2,792 Investments in affiliates 634 690 Other 54 54 Total $ 7,088 $ 6,889 The following table presents amortization expense and tax credits recognized associated with our investments in LIHTC partnerships for the periods presented: Year Ended December 31, 2017 2016 2015 (Dollars in thousands) Cost method: Amortization expense recognized in other operating expense $ 744 $ 1,045 $ 1,078 Federal and state tax credits recognized in income tax expense 919 1,174 1,225
Future Commitments	The expected payments for the unfunded low income housing commitments as of December 31, 2017 are as follows (in thousands): Year Ending December 31: 2018 $ 1,881 2019 700 2020 — 2021 — 2022 — Thereafter — Total commitments $ 2,581

OTHER INTANGIBLE ASSETS (Tables

OTHER INTANGIBLE ASSETS (Tables)	12 Months Ended
	Dec. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]
Schedule of changes in other intangible assets	The following table presents changes in our core deposit premium and mortgage servicing rights for the periods presented: Core Mortgage Total (Dollars in thousands) Balance as of December 31, 2015 $ 7,355 $ 17,797 $ 25,152 Additions — 3,048 3,048 Amortization (2,675 ) (5,066 ) (7,741 ) Balance as of December 31, 2016 $ 4,680 $ 15,779 $ 20,459 Additions — 2,352 2,352 Amortization (2,674 ) (2,288 ) (4,962 ) Balance as of December 31, 2017 $ 2,006 $ 15,843 $ 17,849
Schedule of gross carrying value and accumulated amortization related to intangible assets	The gross carrying value, accumulated amortization and net carrying value related to our core deposit premium and mortgage servicing rights are presented below: December 31, 2017 December 31, 2016 Gross Accumulated Net Gross Accumulated Net (Dollars in thousands) Core deposit premium $ 44,642 $ (42,636 ) $ 2,006 $ 44,642 $ (39,962 ) $ 4,680 Mortgage servicing rights 64,401 (48,558 ) 15,843 62,049 (46,270 ) 15,779 Total $ 109,043 $ (91,194 ) $ 17,849 $ 106,691 $ (86,232 ) $ 20,459
Schedule of estimated amortization expense	Based on our core deposit premium and mortgage servicing rights held as of December 31, 2017 , estimated amortization expense for the next five succeeding fiscal years and all years thereafter are as follows: Estimated Amortization Expense Core Deposit Mortgage Total (Dollars in thousands) 2018 $ 2,006 $ 2,171 $ 4,177 2019 — 1,705 1,705 2020 — 1,407 1,407 2021 — 1,183 1,183 2022 — 990 990 Thereafter — 8,387 8,387 Total $ 2,006 $ 15,843 $ 17,849
Schedule of fair market value and key assumptions used in determining the fair market value of our mortgage servicing rights	The following table presents the fair market value and key assumptions used in determining the fair market value of our mortgage servicing rights: Year Ended December 31, 2017 2016 (Dollars in thousands) Fair market value, beginning of period $ 18,087 $ 18,345 Fair market value, end of period 17,161 18,087 Weighted average discount rate 9.5 % 9.5 % Weighted average prepayment speed assumption 16.0 % 14.3 %

DERIVATIVES (Tables)

DERIVATIVES (Tables)	12 Months Ended
	Dec. 31, 2017
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Schedule of the location of all assets and liabilities associated with derivative instruments within the consolidated balance sheet	The following table presents the location of all assets and liabilities associated with our derivative instruments within the consolidated balance sheet: Asset Derivatives Liability Derivatives Derivatives not designated as Balance Sheet Fair Value at Fair Value at Fair Value at Fair Value at hedging instruments Location December 31, 2017 December 31, 2016 December 31, 2017 December 31, 2016 (Dollars in thousands) Interest rate lock and forward sale commitments Other assets / other liabilities $ 35 $ 260 $ 49 $ 118
Schedule of the impact of derivative instruments and their location within the consolidated statements of income	The following tables present the impact of derivative instruments and their location within the consolidated statements of income: Derivatives not in Cash Flow Location of Gain (Loss) Amount of Gain (Loss) (Dollars in thousands) Year ended December 31, 2017 Interest rate lock and forward sale commitments Mortgage banking income $ (156 ) Year ended December 31, 2016 Interest rate lock and forward sale commitments Mortgage banking income 83

DEPOSITS (Tables)

DEPOSITS (Tables)	12 Months Ended
	Dec. 31, 2017
Deposits [Abstract]
Schedule of maturities of time deposits of $100,000 or more	maturities of time deposits of $250,000 or more as of December 31, 2017 were as follows (in thousands): Period Ending: Three months or less $ 527,762 Over three months through six months 202,367 Over six months through twelve months 49,764 2019 50,159 2020 34,602 2021 3,585 2022 3,070 Thereafter — Total $ 871,309

SHORT-TERM BORROWINGS (Tables)

SHORT-TERM BORROWINGS (Tables)	12 Months Ended
	Dec. 31, 2017
Short-term Debt [Abstract]
Schedule of short-term borrowings	A summary of our short-term borrowings as of December 31, 2017 , 2016 and 2015 is as follows: Year Ended December 31, 2017 2016 2015 (Dollars in thousands) Amount outstanding at December 31 $ 32,000 $ 135,000 $ 69,000 Average amount outstanding during year 15,531 110,928 92,045 Highest month-end balance during year 69,000 226,000 157,000 Weighted average interest rate on balances outstanding at December 31 1.63 % 0.74 % 0.35 % Weighted average interest rate during year 1.18 % 0.52 % 0.28 %

LONG-TERM DEBT (Tables)

LONG-TERM DEBT (Tables)	12 Months Ended
	Dec. 31, 2017
Long-term Debt, Unclassified [Abstract]
Schedule of long-term debt, based on original maturity	Long-term debt, which is based on original maturity, consisted of the following at December 31, 2017 and 2016 : December 31, 2017 2016 (Dollars in thousands) Subordinated debentures $ 92,785 $ 92,785
Schedule of future principal payments on long-term debt based on final maturity	At December 31, 2017 , future principal payments on long-term debt based on final maturity are as follows (in thousands): Year Ending December 31: 2018 $ — 2019 — 2020 — 2021 — 2022 — Thereafter 92,785 Total $ 92,785

SHARE-BASED COMPENSATION (Table

SHARE-BASED COMPENSATION (Tables)	12 Months Ended
	Dec. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Summary of the effects of share-based compensation to options and awards granted under the Company's equity incentive plans	The following table summarizes the effects of share-based compensation for options and awards granted under the Company's equity incentive plans for each of the periods presented: Year Ended December 31, 2017 2016 2015 (Dollars in thousands) Salaries and employee benefits $ 3,266 $ 3,094 $ 4,181 Directors stock awards 150 97 78 Income tax benefit (1,903 ) (1,269 ) (1,694 ) Net share-based compensation effect $ 1,513 $ 1,922 $ 2,565
Summary of option activity for stock option plans	The following is a summary of option activity for our stock option plans for the year ended December 31, 2017 : Number Weighted Weighted Aggregate Stock options outstanding as of January 1, 2017 162,063 $ 24.95 Changes during the year: Granted — — Exercised — — Expired (1,175 ) 706.54 Forfeited (629 ) 210.50 Stock options outstanding as of December 31, 2017 160,259 $ 19.22 4.2 $ 2,410 Vested and exercisable as of December 31, 2017 160,259 $ 19.22 4.2 $ 2,410
Schedule of activity of restricted stock awards and units	The table below presents the activity of restricted stock awards and units for each of the periods presented: Number Weighted Fair Value Unvested as of December 31, 2014 715,460 $ 15.77 Changes during the year: Granted 173,897 19.50 Forfeited (82,373 ) 16.73 Vested (343,067 ) 15.21 $ 7,888 Unvested as of December 31, 2015 463,917 17.41 Changes during the year: Granted 296,078 23.65 Forfeited (66,972 ) 20.97 Vested (255,326 ) 15.83 5,806 Unvested as of December 31, 2016 437,697 22.01 Changes during the year: Granted 126,204 31.35 Forfeited (31,570 ) 24.89 Vested (134,780 ) 19.81 4,224 Unvested as of December 31, 2017 397,551 25.49

PENSION PLANS (Tables)

PENSION PLANS (Tables)	12 Months Ended
	Dec. 31, 2017
Pension Plan
PENSION PLANS
Schedule of information pertaining to the defined benefit retirement plan	Year Ended December 31, 2017 2016 2015 (Dollars in thousands) Components of net periodic benefit cost: Interest cost $ 926 $ 1,374 $ 1,383 Expected return on plan assets (1,036 ) (1,542 ) (1,893 ) Amortization of net actuarial losses 1,191 1,548 1,577 Settlement — 3,847 — Net periodic benefit cost $ 1,081 $ 5,227 $ 1,067 Net periodic cost actuarial assumptions: Weighted average discount rate 4.1 % 4.3 % 4.0 % Expected long-term rate of return on plan assets 5.5 % 6.0 % 7.0 % The following tables set forth information pertaining to the defined benefit retirement plan: Year Ended December 31, 2017 2016 (Dollars in thousands) Change in benefit obligation: Benefit obligation at beginning of year $ 23,677 $ 33,067 Interest cost 926 1,374 Actuarial (gains) losses 752 1,039 Benefits paid (1,884 ) (2,413 ) Annuity purchase — (9,390 ) Benefit obligation at end of the year 23,471 23,677 Change in plan assets, at fair value: Fair value of plan assets at beginning of year 18,539 26,321 Actual return on plan assets 2,177 1,021 Employer contributions 4,000 3,000 Benefits paid (1,884 ) (2,413 ) Annuity purchase — (9,390 ) Fair value of plan assets at end of year 22,832 18,539 Funded status at end of year $ (639 ) $ (5,138 ) Amounts recognized in AOCI: Net actuarial losses $ (8,472 ) $ (10,052 ) Benefit obligation actuarial assumptions: Weighted average discount rate 3.6 % 4.1 %
Schedule of asset allocations by asset category	The defined benefit retirement plan assets consist primarily of equity and debt securities. Our asset allocations by asset category were as follows: December 31, 2017 2016 Equity securities 53.9 % 50.6 % Debt securities 42.3 34.0 Other 3.8 15.4 Total 100.0 % 100.0 %
Schedule of fair values of the defined benefit retirement plan by asset category	Quoted Prices Significant Significant Total (Dollars in thousands) December 31, 2016 Money market accounts $ 2,852 $ — $ — $ 2,852 Mutual funds 7,250 — — 7,250 Government obligations — 2,134 — 2,134 Common stocks 4,474 — — 4,474 Preferred stocks 130 — — 130 Corporate bonds and debentures — 1,699 — 1,699 Total $ 14,706 $ 3,833 $ — $ 18,539 The fair values of the defined benefit retirement plan as of December 31, 2017 and 2016 by asset category were as follows: Quoted Prices Significant Significant Total (Dollars in thousands) December 31, 2017 Money market accounts $ 858 $ — $ — $ 858 Mutual funds 12,258 — — 12,258 Government obligations — 1,942 — 1,942 Common stocks 5,509 — — 5,509 Preferred stocks 176 — — 176 Corporate bonds and debentures — 2,089 — 2,089 Total $ 18,801 $ 4,031 $ — $ 22,832
Schedule of estimated future benefit payments	Estimated future benefit payments in each of the next five years and in the aggregate for the five years thereafter are as follows (in thousands): Year Ending December 31: 2018 $ 1,852 2019 1,819 2020 1,777 2021 1,737 2022 1,672 2023-2027 7,460 Total $ 16,317
SERPs
PENSION PLANS
Schedule of information pertaining to the defined benefit retirement plan	Year Ended December 31, 2017 2016 2015 (Dollars in thousands) Components of net periodic benefit cost Interest cost $ 429 $ 465 $ 440 Amortization of net actuarial (gains) losses 102 51 111 Amortization of net transition obligation 18 17 16 Amortization of prior service cost 18 18 18 Settlement 138 — — Net periodic benefit cost $ 705 $ 551 $ 585 Net periodic cost actuarial assumptions Weighted average discount rate 4.1 % 4.4 % 4.1 % The following tables set forth information pertaining to the SERP: Year Ended December 31, 2017 2016 (Dollars in thousands) Change in benefit obligation Benefit obligation at beginning of year $ 10,292 $ 10,651 Interest cost 429 465 Actuarial (gains) losses 1,708 (598 ) Benefits paid (1,210 ) (226 ) Benefit obligation at end of year 11,219 10,292 Change in plan assets Fair value of plan assets at beginning of year — — Employer contributions 1,209 226 Benefits paid (1,209 ) (226 ) Fair value of plan assets at end of year — — Funded status at end of year $ (11,219 ) $ (10,292 ) Amounts recognized in AOCI Net transition obligation $ (100 ) $ (112 ) Prior service cost (49 ) (66 ) Net actuarial losses (2,163 ) (701 ) Total amounts recognized in AOCI $ (2,312 ) $ (879 ) Benefit obligation actuarial assumptions Weighted average discount rate 3.5 % 4.1 %
Schedule of estimated amortization of components included in AOCI that will be recognized into net periodic cost in the next fiscal year	The estimated amortization of components included in AOCI that will be recognized into net periodic benefit cost for 2018 is as follows (in thousands): Amortization of net actuarial losses $ 102 Amortization of net transition obligation 18 Amortization of prior service cost 18
Schedule of estimated future benefit payments	Estimated future benefit payments reflecting expected future service for the SERP in each of the next five years and in the aggregate for the five years thereafter are as follows (in thousands): Year Ending December 31: 2018 $ 351 2019 347 2020 340 2021 325 2022 316 2023-2027 3,212 Total $ 4,891

OPERATING LEASES (Tables)

OPERATING LEASES (Tables)	12 Months Ended
	Dec. 31, 2017
Leases, Operating [Abstract]
Schedule of net rent expense for all operating leases	Net rent expense for all operating leases for the years ended December 31, 2017 , 2016 and 2015 is summarized as follows: Year Ended December 31, 2017 2016 2015 (Dollars in thousands) Rent expense charged to net occupancy $ 8,318 $ 8,700 $ 9,287 Less: sublease income (43 ) (43 ) (25 ) Net rent expense charged to net occupancy 8,275 8,657 9,262 Add: rent expense charged to equipment expense 15 19 30 Total net rent expense $ 8,290 $ 8,676 $ 9,292
Schedule of future minimum rental commitments for all noncancellable operating leases that had initial lease terms in excess of one year	The following is a schedule of future minimum rental commitments for all non-cancellable operating leases that had initial lease terms in excess of one year at December 31, 2017 (in thousands): Year Ending December 31: 2018 $ 6,334 2019 5,827 2020 5,296 2021 4,755 2022 4,079 Thereafter 18,585 Total $ 44,876
Schedule of future minimum rental income for noncancellable operating leases that had initial lease terms in excess of one year	The following is a schedule of future minimum rental income for those non-cancellable operating leases that had initial lease terms in excess of one year at December 31, 2017 (in thousands): Year Ending December 31: 2018 $ 1,750 2019 1,061 2020 833 2021 980 2022 429 Thereafter 184 Total $ 5,237

INCOME AND FRANCHISE TAXES (Tab

INCOME AND FRANCHISE TAXES (Tables)	12 Months Ended
	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Schedule of components of income tax expense (benefit)	Current Deferred Total (Dollars in thousands) Year ended December 31, 2015 Federal $ 1,128 $ 20,061 $ 21,189 State (119 ) 6,018 5,899 Total $ 1,009 $ 26,079 $ 27,088 Components of income tax expense (benefit) for the years ended December 31, 2017 , 2016 and 2015 were as follows: Current Deferred Total (Dollars in thousands) Year ended December 31, 2017 Federal $ 1,727 $ 27,263 $ 28,990 State (81 ) 4,943 4,862 Total $ 1,646 $ 32,206 $ 33,852 Current Deferred Total (Dollars in thousands) Year ended December 31, 2016 Federal $ 805 $ 19,842 $ 20,647 State (4 ) 4,585 4,581 Total $ 801 $ 24,427 $ 25,228
Schedule of the reasons of difference between the income tax expense (benefit) and the expected tax expense	Income tax expense (benefit) for the periods presented differed from the "expected" tax expense (computed by applying the U.S. federal corporate tax rate of 35% to income (loss) before income taxes) for the following reasons: Year Ended December 31, 2017 2016 2015 (Dollars in thousands) Computed "expected" tax expense (benefit) $ 26,270 $ 25,260 $ 25,535 Increase (decrease) in taxes resulting from: Tax-exempt interest (1,387 ) (1,410 ) (1,420 ) Other tax-exempt income (1,186 ) (940 ) (712 ) Low-income housing and energy tax credits (1,135 ) (899 ) (946 ) State income taxes, net of Federal income tax effect, excluding impact of deferred tax valuation allowance 3,145 2,981 3,834 Change in the beginning-of-the-year balance of the valuation allowance for deferred tax assets allocated to income tax expense 570 (52 ) (44 ) Estimated impact of Tax Reform on net deferred tax assets 7,440 — — Other, net 135 288 841 Total $ 33,852 $ 25,228 $ 27,088
Schedule of the tax effects of temporary differences giving rise to significant portions of the deferred tax assets and deferred tax liabilities	The tax effects of temporary differences that gave rise to significant portions of the deferred tax assets and deferred tax liabilities were as follows: December 31, 2017 2016 (Dollars in thousands) Deferred tax assets Allowance for loan and lease losses $ 10,622 $ 19,926 Accrued expenses 294 644 Employee retirement benefits 2,784 6,138 Federal and state tax credit carryforwards 12,473 33,803 Federal and state net operating loss carryforwards 3,306 2,732 Restricted stock and non-qualified stock options 661 412 Premises and equipment 3,633 4,106 Other 3,169 5,060 Total deferred tax assets 36,942 72,821 Deferred tax liabilities Intangible assets 4,785 8,138 Other 2,343 3,006 Total deferred tax liabilities 7,128 11,144 Less: Deferred tax valuation allowance 3,321 2,751 Net deferred tax assets $ 26,493 $ 58,926

ACCUMULATED OTHER COMPREHENSI53

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Tables)	12 Months Ended
	Dec. 31, 2017
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Schedule of components of other comprehensive income (loss)	Before Tax Tax Effect Net of Tax (Dollars in thousands) Year ended December 31, 2016 Net unrealized losses on investment securities: Net unrealized losses arising during the period $ (7,397 ) $ (2,945 ) $ (4,452 ) Less: Reclassification adjustment for losses realized in net income — — — Net unrealized losses on investment securities (7,397 ) (2,945 ) (4,452 ) Defined benefit plans: Net actuarial losses arising during the period (963 ) (385 ) (578 ) Amortization of net actuarial losses 1,599 634 965 Amortization of net transition obligation 17 6 11 Amortization of prior service cost 18 7 11 Settlement 3,847 1,528 2,319 Defined benefit plans, net 4,518 1,790 2,728 Other comprehensive loss $ (2,879 ) $ (1,155 ) $ (1,724 ) The following table presents the components of other comprehensive income (loss) for the years ended December 31, 2017 , 2016 and 2015 , by component: Before Tax Tax Effect Net of Tax (Dollars in thousands) Year ended December 31, 2017 Net unrealized losses on investment securities: Net unrealized losses arising during the period $ (838 ) $ (333 ) $ (505 ) Less: Reclassification adjustment for losses realized in net income 1,410 561 849 Net unrealized gains on investment securities 572 228 344 Defined benefit plans: Net actuarial losses arising during the period (1,318 ) (518 ) (800 ) Amortization of net actuarial losses 1,293 460 833 Amortization of net transition obligation 18 7 11 Amortization of prior service cost 18 7 11 Settlement 138 55 83 Defined benefit plans, net 149 11 138 Other comprehensive income $ 721 $ 239 $ 482 Before Tax Tax Effect Net of Tax (Dollars in thousands) Year ended December 31, 2015 Net unrealized gains on investment securities: Net unrealized losses arising during the period $ (9,184 ) $ (3,655 ) $ (5,529 ) Less: Reclassification adjustment for gains realized in net income 1,866 742 1,124 Net unrealized losses on investment securities (7,318 ) (2,913 ) (4,405 ) Defined benefit plans: Net actuarial gains arising during the period 687 274 413 Amortization of net actuarial losses 1,688 672 1,016 Amortization of net transition obligation 16 7 9 Amortization of prior service cost 18 7 11 Defined benefit plans, net 2,409 960 1,449 Other comprehensive loss $ (4,909 ) $ (1,953 ) $ (2,956 )
Schedule of changes in each component of AOCI, net of tax	Investment Defined Accumulated (Dollars in thousands) Year ended December 31, 2015 Balance at beginning of period $ 13,586 $ (10,427 ) $ 3,159 Other comprehensive income (loss) before reclassifications (5,529 ) 413 (5,116 ) Amounts reclassified from AOCI 1,124 1,036 2,160 Total other comprehensive income (loss) (4,405 ) 1,449 (2,956 ) Balance at end of period $ 9,181 $ (8,978 ) $ 203 Investment Defined Accumulated (Dollars in thousands) Year ended December 31, 2016 Balance at beginning of period $ 9,181 $ (8,978 ) $ 203 Other comprehensive income (loss) before reclassifications (4,452 ) (578 ) (5,030 ) Amounts reclassified from AOCI — 3,306 3,306 Total other comprehensive income (loss) (4,452 ) 2,728 (1,724 ) Balance at end of period $ 4,729 $ (6,250 ) $ (1,521 ) The following table presents the changes in each component of AOCI, net of tax, for the years ended December 31, 2017 , 2016 and 2015 : Investment Defined Accumulated (Dollars in thousands) Year ended December 31, 2017 Balance at beginning of period $ 4,729 $ (6,250 ) $ (1,521 ) Other comprehensive income (loss) before reclassifications (505 ) (800 ) (1,305 ) Amounts reclassified from AOCI 849 938 1,787 Total other comprehensive income 344 138 482 Balance at end of period $ 5,073 $ (6,112 ) $ (1,039 )
Schedule of amounts reclassified out of each component of AOCI	The following table presents the amounts reclassified out of each component of AOCI for the years ended December 31, 2017 , 2016 and 2015 : Amount Reclassified from AOCI Affected Line Item in the Details about AOCI Components (Dollars in Thousands) Year ended December 31, Statement Where Net 2017 2016 2015 Income is Presented Sale of investment securities available for sale $ (1,410 ) $ — $ (1,866 ) Investment securities gains (losses) 561 — 742 Tax benefit $ (849 ) $ — $ (1,124 ) Net of tax Defined benefit plan items: Amortization of net actuarial losses $ (1,293 ) $ (1,599 ) $ (1,688 ) (1) Amortization of net transition obligation (18 ) (17 ) (16 ) (1) Amortization of prior service cost (18 ) (18 ) (18 ) (1) Settlement (138 ) (3,847 ) — (1) (1,467 ) (5,481 ) (1,722 ) Total before tax 529 2,175 686 Tax benefit $ (938 ) $ (3,306 ) $ (1,036 ) Net of tax Total reclassifications for the period $ (1,787 ) $ (3,306 ) $ (2,160 ) Net of tax

EARNINGS PER SHARE (Tables)

EARNINGS PER SHARE (Tables)	12 Months Ended
	Dec. 31, 2017
Earnings Per Share [Abstract]
Schedule of information used to compute basic and diluted earnings per share	The table below presents the information used to compute basic and diluted earnings per share for the years ended December 31, 2017 , 2016 and 2015 : Year Ended December 31, 2017 2016 2015 (In thousands, except per share data) Net income $ 41,204 $ 46,992 $ 45,868 Weighted average shares outstanding - basic 30,401 31,009 32,238 Dilutive effect of employee stock options and awards 238 216 413 Weighted average shares outstanding - diluted 30,638 31,225 32,651 Basic earnings per share $ 1.36 $ 1.52 $ 1.42 Diluted earnings per share $ 1.34 $ 1.50 $ 1.40

FINANCIAL INSTRUMENTS WITH OF55

FINANCIAL INSTRUMENTS WITH OFF-BALANCE SHEET RISK (Tables)	12 Months Ended
	Dec. 31, 2017
Investments, All Other Investments [Abstract]
Schedule of financial instruments with off-balance sheet risk	At December 31, 2017 and 2016 , financial instruments with off-balance sheet risk were as follows: December 31, 2017 2016 (Dollars in thousands) Notional of: Financial instruments whose contract amounts represent credit risk: Commitments to extend credit $ 917,405 $ 825,304 Standby letters of credit and financial guarantees written 13,551 16,073 Notional of: Financial instruments whose contract amounts exceed the amount of credit risk: Interest rate options 2,494 879 Forward interest rate contracts 18,748 32,497

FAIR VALUE OF ASSETS AND LIAB56

FAIR VALUE OF ASSETS AND LIABILITIES (Tables)	12 Months Ended
	Dec. 31, 2017
Fair Value Disclosures [Abstract]
Schedule of carrying amount and estimated fair value of financial instruments	Fair Value Measurement Using Carrying Estimated Quoted Prices Significant Significant (Dollars in thousands) December 31, 2017 Financial assets: Cash and due from financial institutions $ 75,318 $ 75,318 $ 75,318 $ — $ — Interest-bearing deposits in other financial institutions 6,975 6,975 6,975 — — Investment securities 1,496,644 1,494,092 825 1,481,473 11,794 Loans held for sale 16,336 16,336 — 16,336 — Loans and leases, net of allowance for loan and lease losses 3,720,614 3,684,834 — 21,280 3,663,554 Mortgage servicing rights 15,843 17,161 — — 17,161 Federal Home Loan Bank stock 7,761 7,761 7,761 — — Accrued interest receivable 16,581 16,581 16,581 — — Financial liabilities: Deposits: Noninterest-bearing deposits 1,395,556 1,395,556 1,395,556 — — Interest-bearing demand and savings deposits 2,414,930 2,414,930 2,414,930 — — Time deposits 1,145,868 1,140,064 — — 1,140,064 Federal Home Loan Bank advances and other short-term borrowings 32,000 32,000 — 32,000 — Long-term debt 92,785 70,139 — 70,139 — Accrued interest payable (included in other liabilities) 3,698 3,698 3,698 — — Off-balance sheet financial instruments: Commitments to extend credit 917,405 1,140 — 1,140 — Standby letters of credit and financial guarantees written 13,551 203 — 203 — Derivatives: Interest rate lock commitments 2,494 12 — 12 — Forward sale commitments 18,748 (26 ) — (26 ) — Fair Value Measurement Using Carrying Estimated Quoted Prices Significant Significant (Dollars in thousands) December 31, 2016 Financial assets: Cash and due from financial institutions $ 75,272 $ 75,272 $ 75,272 $ — $ — Interest-bearing deposits in other financial institutions 9,069 9,069 9,069 — — Investment securities 1,461,515 1,458,213 660 1,445,357 12,196 Loans held for sale 31,881 31,881 — 31,881 — Loans and leases, net of allowance for loan and lease losses 3,468,259 3,426,976 — 30,723 3,396,253 Mortgage servicing rights 15,779 18,087 — — 18,087 Federal Home Loan Bank stock 11,572 11,572 11,572 — — Accrued interest receivable 15,675 15,675 15,675 — — Financial liabilities: Deposits: Noninterest-bearing deposits 1,265,246 1,265,246 1,265,246 — — Interest-bearing demand and savings deposits 2,253,591 2,253,591 2,253,591 — — Time deposits 1,089,364 1,088,436 — — 1,088,436 Federal Home Loan Bank advances and other short-term borrowings 135,000 135,000 — 135,000 — Long-term debt 92,785 68,186 — 68,186 — Accrued interest payable (included in other liabilities) 1,556 1,556 1,556 — — Off-balance sheet financial instruments: Commitments to extend credit 825,304 1,046 — 1,046 — Standby letters of credit and financial guarantees written 16,073 241 — 241 — Derivatives: Interest rate lock commitments 879 6 — 6 — Forward sale commitments 32,497 136 — 136 —
Schedule of balances of assets and liabilities measured at fair value on a recurring basis	The following table below presents the the fair value of assets and liabilities measured on a recurring basis: Fair Value at Reporting Date Using Fair Quoted Prices Significant Significant (Dollars in thousands) December 31, 2017 Available for sale securities: Debt securities: States and political subdivisions $ 179,781 $ — $ 167,987 $ 11,794 Corporate securities 74,278 — 74,278 — U.S. Treasury obligations and direct obligations of U.S Government agencies 25,510 — 25,510 — Mortgage-backed securities: Residential-U.S. Government sponsored entities 800,683 — 800,683 — Residential-Non-government agencies 46,763 — 46,763 — Commercial-U.S. Government agencies and sponsored entities 39,725 — 39,725 — Commercial-Non-government agencies 137,326 — 137,326 — Other 825 825 — — Derivatives: Interest rate lock and forward sale commitments (14 ) — (14 ) — Total $ 1,304,877 $ 825 $ 1,292,258 $ 11,794 Fair Value at Reporting Date Using Fair Quoted Prices Significant Significant (Dollars in thousands) December 31, 2016 Available for sale securities: Debt securities: States and political subdivisions $ 185,041 $ — $ 172,845 $ 12,196 Corporate securities 99,389 — 99,389 — U.S. Treasury obligations and direct obligations of U.S Government agencies — — — — Mortgage-backed securities: U.S. Government sponsored entities 769,986 — 769,986 — Non-government sponsored entities 188,771 — 188,771 — Other 660 660 — — Derivatives: Interest rate lock and forward sale commitments 142 — 142 — Total $ 1,243,989 $ 660 $ 1,231,133 $ 12,196
Schedule of changes in Level 3 assets and liabilities measured at fair value on a recurring basis	The changes in Level 3 assets and liabilities measured at fair value on a recurring basis are summarized as follows: Available for Sale (Dollars in thousands) Balance as of December 31, 2015 $ 12,479 Principal payments received (338 ) Purchases — Unrealized net loss included in other comprehensive gain 55 Balance as of December 31, 2016 $ 12,196 Principal payments received (358 ) Purchases Unrealized net loss included in other comprehensive loss (44 ) Balance as of December 31, 2017 $ 11,794
Schedule of level of valuation assumptions used to determine the fair value of assets measured on a nonrecurring basis	: Fair Value Measurements Using Fair Value Quoted Prices Significant Significant Total (Dollars in thousands) December 31, 2017 Impaired loans (1) $ 21,280 $ — $ 21,280 $ — $ — Mortgage servicing rights 17,161 — — 17,161 — Other real estate (2) 851 — 851 — — Total $ — December 31, 2016 Impaired loans (1) $ 30,723 $ — $ 30,723 $ — $ — Mortgage servicing rights 18,087 — — 18,087 — Other real estate (2) 791 — 791 — — Total $ — (1) Represents carrying value and related write-downs of loans for which adjustments are based on agreed upon purchase prices for the loans or the appraised value of the collateral. (2) Represents other real estate that is carried at the lower of carrying value or fair value less costs to sell. Fair value is generally based upon independent market prices or appraised values of the collateral.

SEGMENT INFORMATION (Tables)

SEGMENT INFORMATION (Tables)	12 Months Ended
	Dec. 31, 2017
Segment Reporting [Abstract]
Schedule of segment profits (losses) and assets	Banking Treasury All Others Total (Dollars in thousands) Year ended December 31, 2015 Net interest income $ 115,936 $ 33,592 $ — $ 149,528 Intersegment net interest income (expense) 43,686 (31,576 ) (12,110 ) — Credit (provision) for loan and lease losses 15,671 — — 15,671 Other operating income 23,447 967 10,385 34,799 Other operating expense (59,273 ) (1,859 ) (65,910 ) (127,042 ) Administrative and overhead expense allocation (59,266 ) (1,042 ) 60,308 — Income taxes (28,070 ) (29 ) 1,011 (27,088 ) Net income (loss) $ 52,131 $ 53 $ (6,316 ) $ 45,868 Segment net income (loss) and assets are provided in the following table for the periods indicated: Banking Treasury All Others Total (Dollars in thousands) Year ended December 31, 2017 Net interest income $ 140,077 $ 27,626 $ — $ 167,703 Intersegment net interest income (expense) 32,977 (25,000 ) (7,977 ) — Credit (provision) for loan and lease losses 2,674 — — 2,674 Other operating income 22,511 2,448 11,537 36,496 Other operating expense (60,939 ) (1,433 ) (69,445 ) (131,817 ) Administrative and overhead expense allocation (61,082 ) (972 ) 62,054 — Income taxes (34,376 ) (1,204 ) 1,728 (33,852 ) Net income (loss) $ 41,842 $ 1,465 $ (2,103 ) $ 41,204 Balance as of December 31, 2017 Investment securities $ — $ 1,496,644 $ — $ 1,496,644 Loans and leases (including loans held for sale) 3,786,951 — — 3,786,951 Other 42,243 228,608 69,262 340,113 Total assets $ 3,829,194 $ 1,725,252 $ 69,262 $ 5,623,708 Banking Treasury All Others Total (Dollars in thousands) Year ended December 31, 2016 Net interest income $ 128,673 $ 29,277 $ — $ 157,950 Intersegment net interest income (expense) 36,655 (26,618 ) (10,037 ) — Credit (provision) for loan and lease losses 5,517 — — 5,517 Other operating income 25,994 3,148 13,174 42,316 Other operating expense (58,856 ) (1,616 ) (73,091 ) (133,563 ) Administrative and overhead expense allocation (64,139 ) (918 ) 65,057 — Income taxes (25,796 ) (1,143 ) 1,711 (25,228 ) Net income $ 48,048 $ 2,130 $ (3,186 ) $ 46,992 Balance as of December 31, 2016 Investment securities $ — $ 1,461,515 $ — $ 1,461,515 Loans and leases (including loans held for sale) 3,556,771 — — 3,556,771 Other 56,482 241,387 68,081 365,950 Total assets $ 3,613,253 $ 1,702,902 $ 68,081 $ 5,384,236

PARENT COMPANY AND REGULATORY58

PARENT COMPANY AND REGULATORY RESTRICTIONS (Tables)	12 Months Ended
	Dec. 31, 2017
Condensed Financial Information of Parent Company Only Disclosure [Abstract]
Schedule of actual and required capital ratios as well as the minimum capital adequacy requirements applicable generally to all financial institutions	The following table sets forth actual and required capital and capital ratios for the Company and the bank, as well as the minimum capital adequacy requirements applicable generally to all financial institutions as of the dates indicated. The Company’s and the bank’s leverage capital, Tier 1, total risk-based capital ratios, and common equity Tier 1 (CET1) risk based capital as of December 31, 2017 were above the levels required for a "well-capitalized" regulatory designation. Actual Minimum required for Minimum required to Amount Ratio Amount Ratio Amount Ratio (Dollars in thousands) Company As of December 31, 2017 Leverage capital $ 578,607 10.4 % $ 223,646 4.0 % $ 279,557 5.0 % Tier 1 risk-based capital 578,607 14.7 236,721 6.0 315,628 8.0 Total risk-based capital 628,068 15.9 315,628 8.0 394,535 10.0 CET1 risk-based capital 490,861 12.4 177,541 4.5 256,448 6.5 As of December 31, 2016 Leverage capital 562,460 10.6 211,383 4.0 264,229 5.0 Tier 1 risk-based capital 562,460 14.2 237,157 6.0 316,209 8.0 Total risk-based capital 612,202 15.5 316,209 8.0 395,261 10.0 CET1 risk-based capital 485,268 12.3 177,868 4.5 256,920 6.5 Central Pacific Bank As of December 31, 2017 Leverage capital 565,412 10.1 223,431 4.0 279,289 5.0 Tier 1 risk-based capital 565,412 14.4 236,401 6.0 315,201 8.0 Total risk-based capital 614,732 15.6 315,201 8.0 394,002 10.0 CET1 risk-based capital 565,412 14.4 177,301 4.5 256,101 6.5 As of December 31, 2016 Leverage capital 541,577 10.3 211,135 4.0 263,918 5.0 Tier 1 risk-based capital 541,577 13.7 236,806 6.0 315,741 8.0 Total risk-based capital 591,185 15.0 315,741 8.0 394,677 10.0 CET1 risk-based capital 541,577 13.7 177,604 4.5 256,540 6.5
Schedule of condensed balance sheets	December 31, 2017 2016 (Dollars in thousands) Assets Cash and cash equivalents $ 13,931 $ 19,500 Investment securities available for sale 825 660 Investment in subsidiary bank, at equity in underlying net assets 572,101 569,898 Accrued interest receivable and other assets 9,577 10,682 Total assets $ 596,434 $ 600,740 Liabilities and Equity Long-term debt $ 92,785 $ 92,785 Other liabilities 3,614 3,280 Total liabilities 96,399 96,065 Shareholders’ equity: Preferred stock, no par value, authorized 1,000,000 shares; issued and outstanding none at December 31, 2017 and 2016 — — Common stock, no par value, authorized 185,000,000 shares; issued and outstanding 30,024,222 and 30,796,243 shares at December 31, 2017 and 2016, respectively 503,988 530,932 Surplus 86,098 84,180 Accumulated deficit (89,036 ) (108,941 ) Accumulated other comprehensive income (loss) (1,039 ) (1,521 ) Total shareholders’ equity 500,011 504,650 Non-controlling interest $ 24 $ 25 Total equity $ 500,035 $ 504,675 Total liabilities and equity $ 596,434 $ 600,740
Schedule of condensed statements of operations	Year Ended December 31, 2017 2016 2015 (Dollars in thousands) Income: Dividends from subsidiary bank $ 43,000 $ 29,965 $ 111,765 Interest income: Interest from subsidiary bank 6 6 9 Other income 150 100 91 Total income 43,156 30,071 111,865 Expense: Interest on long-term debt 3,479 3,005 2,626 Other expenses 2,002 2,739 2,551 Total expenses 5,481 5,744 5,177 Gain (loss) before income taxes and equity in undistributed income of subsidiaries 37,675 24,327 106,688 Income tax expense (benefit) (1,781 ) (2,467 ) 670 Income before equity in undistributed income of subsidiaries 39,456 26,794 106,018 Equity in undistributed income (loss) of subsidiary bank 1,748 20,198 (60,150 ) Net income $ 41,204 $ 46,992 $ 45,868
Schedule of condensed statements of cash flows	Year Ended December 31, 2017 2016 2015 (Dollars in thousands) Cash flows from operating activities: Net income $ 41,204 $ 46,992 $ 45,868 Adjustments to reconcile net income to net cash provided by operating activities: Deferred income tax expense (benefit) (442 ) 15,683 670 Equity in undistributed income (loss) of subsidiary bank (1,748 ) (20,198 ) 60,150 Share-based compensation 1,918 1,045 1,429 Other, net 1,357 (697 ) 983 Net cash provided by operating activities 42,289 42,825 109,100 Cash flows from financing activities: Net proceeds from issuance of common stock and stock option exercises — 941 360 Repurchases of common stock (26,559 ) (18,206 ) (93,533 ) Dividends paid (21,299 ) (18,619 ) (26,143 ) Net cash used in financing activities (47,858 ) (35,884 ) (119,316 ) Net increase (decrease) in cash and cash equivalents (5,569 ) 6,941 (10,216 ) Cash and cash equivalents at beginning of year 19,500 12,559 22,775 Cash and cash equivalents at end of year $ 13,931 $ 19,500 $ 12,559

UNAUDITED QUARTERLY FINANCIAL59

UNAUDITED QUARTERLY FINANCIAL INFORMATION (Tables)	12 Months Ended
	Dec. 31, 2017
Quarterly Financial Information Disclosure [Abstract]
Schedule of unaudited quarterly financial information	First Second Third Fourth Full Year (Dollars in thousands, except per share data) 2016 Total interest income $ 41,249 $ 41,870 $ 41,765 $ 42,255 $ 167,139 Total interest expense 2,038 2,261 2,339 2,551 9,189 Net interest income 39,211 39,609 39,426 39,704 157,950 Provision (credit) for loan and lease losses (747 ) (1,382 ) (743 ) (2,645 ) (5,517 ) Net interest income after provision (credit) for loan and lease losses 39,958 40,991 40,169 42,349 163,467 Investment securities gains (losses) — — — — — Income before income taxes 17,248 18,468 17,858 18,646 72,220 Net income 11,181 12,137 11,466 12,208 46,992 Basic earnings per share $ 0.36 $ 0.39 $ 0.37 $ 0.40 $ 1.52 Diluted earnings per share 0.35 0.39 0.37 0.39 1.50 First Second Third Fourth Full Year (Dollars in thousands, except per share data) 2017 Total interest income $ 44,213 $ 45,080 $ 45,993 $ 47,276 $ 182,562 Total interest expense 2,958 3,451 3,998 4,452 14,859 Net interest income 41,255 41,629 41,995 42,824 167,703 Provision (credit) for loan and lease losses (80 ) (2,282 ) (126 ) (186 ) (2,674 ) Net interest income after provision (credit) for loan and lease losses 41,335 43,911 42,121 43,010 170,377 Income before income taxes 19,889 19,446 18,179 17,542 75,056 Net income 13,079 12,025 11,812 4,288 41,204 Basic earnings per share $ 0.43 $ 0.39 $ 0.39 $ 0.14 $ 1.36 Diluted earnings per share 0.42 0.39 0.39 0.14 1.34

MORTGAGE BANKING INCOME (Tables

MORTGAGE BANKING INCOME (Tables)	12 Months Ended
	Dec. 31, 2017
Other Income and Expenses [Abstract]
Mortgage Banking Activities	Noninterest income from the Company's mortgage banking activities include the following components for the periods presented: Year Ended December 31, 2017 2016 2015 (Dollars in thousands) Mortgage banking income: Loan servicing fees $ 5,337 $ 5,421 $ 5,656 Amortization of mortgage servicing rights (2,288 ) (5,066 ) (4,185 ) Net gain on sale of residential mortgage loans 4,069 7,631 6,107 Unrealized gain (loss) on interest rate locks (156 ) 83 (324 ) Total mortgage banking income $ 6,962 $ 8,069 $ 7,254

SUMMARY OF SIGNIFICANT ACCOUN61

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Description of Business) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2017USD ($)branchsegmentmachine	Dec. 31, 2016USD ($)
SEGMENT INFORMATION
Loans and Leases Receivable, Gross	$ 3,768,106	$ 3,522,811
Non-controlling interest	$ 24	$ 25
Number of reportable segments | segment	3
Central Bank
SEGMENT INFORMATION
Number of branches | branch	35
Number of ATMs | machine	79

SUMMARY OF SIGNIFICANT ACCOUN62

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Principles of Consolidation, Loans Held For Sale, Loans and Leases) (Details)	12 Months Ended
	Dec. 31, 2017USD ($)loan	Dec. 31, 2016USD ($)
Consolidation
Investments in unconsolidated subsidiaries accounted for under the equity methods	$ 600,000	$ 700,000
Investments in unconsolidated subsidiaries accounted for under the cost methods	$ 6,500,000	$ 6,200,000
Loans Held for Sale
Number of types of loans held for sale | loan	2
Loans
Holding period limit for placing loans on nonaccrual status	90 days
Interest income recognized	$ 0
One Hawaii HomeLoans, LLC
Consolidation
Ownership interest		50.00%
Pacific Access Mortgage LLC
Consolidation
Ownership interest	50.00%
Gentry Home Loans LLC
Consolidation
Ownership interest	50.00%
Haseko Home Loans LLC
Consolidation
Ownership interest	50.00%
Island Pacific HomeLoans, LLC
Consolidation
Ownership interest	50.00%

SUMMARY OF SIGNIFICANT ACCOUN63

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Allowance for Loan and Lease Losses) (Details) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2017USD ($)subsector	Sep. 30, 2017USD ($)	Jun. 30, 2017USD ($)	Mar. 31, 2017USD ($)	Dec. 31, 2016USD ($)	Sep. 30, 2016USD ($)	Jun. 30, 2016USD ($)	Mar. 31, 2016USD ($)	Dec. 31, 2017USD ($)methodsubsector	Dec. 31, 2016USD ($)	Dec. 31, 2015USD ($)
Accounting Policies [Abstract]
Provision (credit) for loan and lease losses | $	$ (186)	$ (126)	$ (2,282)	$ (80)	$ (2,645)	$ (743)	$ (1,382)	$ (747)	$ (2,674)	$ (5,517)	$ (15,671)
Number of evaluation methods of loan and lease Allowance | method									3
Number of homogeneous subsectors in the loan portfolio | subsector	10								10

SUMMARY OF SIGNIFICANT ACCOUN64

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Premises and Equipment) (Details)	12 Months Ended
	Dec. 31, 2017
Office buildings and improvements | Minimum
Premises and Equipment
Useful life	5 years
Office buildings and improvements | Maximum
Premises and Equipment
Useful life	39 years
Equipment | Minimum
Premises and Equipment
Useful life	1 year
Equipment | Maximum
Premises and Equipment
Useful life	7 years

SUMMARY OF SIGNIFICANT ACCOUN65

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Other Intangible Assets and Non-Controlling Interest) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Other Intangible Assets
Non-controlling interest	$ 24	$ 25
Core Deposit Premium
Other Intangible Assets
Amortization Period	14 years

RESERVE REQUIREMENTS (Details)

RESERVE REQUIREMENTS (Details) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Central Bank
RESERVE REQUIREMENTS
Amount held as a reserve	$ 63.4	$ 63.1

INVESTMENT SECURITIES (Availabl

INVESTMENT SECURITIES (Available for Sale and Held to Maturity Investment Securities) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Held to Maturity
Amortized cost	$ 191,753	$ 217,668
Gross unrealized gains	106	92
Gross unrealized losses	(2,658)	(3,394)
Held to maturity, fair value	189,201	214,366
Available for Sale
Amortized cost	1,307,427	1,246,728
Gross unrealized gains	8,597	9,784
Gross unrealized losses	(11,133)	(12,665)
Available-for-sale, at fair value	1,304,891	1,243,847
Mortgage Backed Securities Residential U S Government Sponsored Entities [Member]
Held to Maturity
Amortized cost		124,082
Residential-U.S. Government sponsored entities
Held to Maturity
Amortized cost	100,279
Gross unrealized gains	106	92
Gross unrealized losses	(2,222)	(2,474)
Held to maturity, fair value	98,163	121,700
Available for Sale
Amortized cost	808,242	775,803
Gross unrealized gains	2,230	3,698
Gross unrealized losses	(9,789)	(9,515)
Available-for-sale, at fair value	800,683	769,986
Mortgage Backed Securities Commercial U S Government Sponsored Entities [Member]
Held to Maturity
Amortized cost		93,586
Commercial-U.S. Government sponsored entities
Held to Maturity
Amortized cost	91,474
Gross unrealized gains	0	0
Gross unrealized losses	(436)	(920)
Held to maturity, fair value	91,038	92,666
Available for Sale
Amortized cost	135,058	135,248
Gross unrealized gains	2,461	2,387
Gross unrealized losses	(193)	(411)
Available-for-sale, at fair value	137,326	137,224
States and political subdivisions
Available for Sale
Amortized cost	178,459	184,836
Gross unrealized gains	2,041	2,002
Gross unrealized losses	(719)	(1,797)
Available-for-sale, at fair value	179,781	185,041
Corporate securities
Available for Sale
Amortized cost	73,772	98,596
Gross unrealized gains	582	974
Gross unrealized losses	(76)	(181)
Available-for-sale, at fair value	74,278	99,389
U.S. Treasury obligations and direct obligations of U.S Government agencies
Available for Sale
Amortized cost	25,519
Gross unrealized gains	60
Gross unrealized losses	(69)
Available-for-sale, at fair value	25,510
Residential - Non-government sponsored entities
Available for Sale
Amortized cost	45,679	51,681
Gross unrealized gains	1,084	627
Gross unrealized losses	0	(761)
Available-for-sale, at fair value	46,763	51,547
Commercial-U.S. Government agencies and sponsored entities
Available for Sale
Amortized cost	40,012
Gross unrealized gains	0
Gross unrealized losses	(287)
Available-for-sale, at fair value	39,725
Other
Available for Sale
Amortized cost	686	564
Gross unrealized gains	139	96
Gross unrealized losses	0	0
Available-for-sale, at fair value	$ 825	$ 660

INVESTMENT SECURITIES (Amortize

INVESTMENT SECURITIES (Amortized Cost and Estimated Fair Value of Investment Securities) (Details) $ in Thousands	3 Months Ended		12 Months Ended
	Jun. 30, 2017USD ($)	Jun. 30, 2015USD ($)	Dec. 31, 2017USD ($)security	Dec. 31, 2016USD ($)security	Dec. 31, 2015USD ($)
INVESTMENT SECURITIES
Available-for-sale Securities, Sold at Par	$ 97,700	$ 119,400
Held-to-maturity Securities			$ 191,753	$ 217,668
Held-to-maturity Securities, Fair Value			189,201	214,366
Available for Sale, Amortized Cost
Due in one year or less			8,796
Due after one year through five years			165,356
Due after five years through ten years			40,762
Due after ten years			62,836
Mortgage-backed securities			1,307,427	1,246,728
Other			686
Total			1,307,427
Available for Sale, Estimated Fair Value
Due in one year or less			8,799
Due after one year through five years			166,447
Due after five years through ten years			41,166
Due after ten years			63,157
Other			825
Available-for-sale, at fair value			1,304,891	1,243,847
Available for sale
Gross proceeds from sale of available for sale investment securities			114,536	0	$ 117,496
Purchases of investment securities available for sale	$ 97,400	$ 120,600	356,887	195,456	$ 344,766
Available-for-sale Securities, Average Term of Securities Sold	3 years 3 months 24 days
Available-for-sale Securities, Average Yield of Securities Sold	1.91%
Available-for-sale Securities, Gross Realized Gains (Losses), Sale Proceeds	$ 96,000
Available-for-sale Securities, Average Term of Securities Acquired	4 years 6 months 24 days
Available-for-sale Securities, Average Yield of Securities Acquired	2.57%
Available-for-sale Securities, Gross Realized Losses	$ 1,600
Average net yield of available for sale mortgage backed securities sold		1.35%
Weighted average life of available for sale mortgage backed securities sold		4 years 4 months 24 days
Net realized gains on the sales of the available for sale investment securities		$ 1,900
Investment securities pledged to party with no right to sell or repledge the collateral			$ 1,080,000	$ 1,050,000
Number of investment securities in an unrealized loss position | security			223	242
Residential-U.S. Government sponsored entities
INVESTMENT SECURITIES
Held-to-maturity Securities			$ 100,279
Held-to-maturity Securities, Fair Value			98,163	$ 121,700
Available for Sale, Amortized Cost
Mortgage-backed securities			808,242	775,803
Available for Sale, Estimated Fair Value
Available-for-sale, at fair value			800,683	769,986
Mortgage Backed Securities Residential U S Government Sponsored Entities [Member]
INVESTMENT SECURITIES
Held-to-maturity Securities				124,082
Available for Sale, Estimated Fair Value
Mortgage-backed securities			800,683
Non Agency Commercial Mortgage Backed Securities and Corporate Bond Securities
Available for sale
Average net yield of available for sale mortgage backed securities sold		2.71%
Weighted average life of available for sale mortgage backed securities sold		7 years 7 months 6 days
Commercial-U.S. Government sponsored entities
INVESTMENT SECURITIES
Held-to-maturity Securities			91,474
Held-to-maturity Securities, Fair Value			91,038	92,666
Available for Sale, Amortized Cost
Mortgage-backed securities			135,058	135,248
Available for Sale, Estimated Fair Value
Available-for-sale, at fair value			137,326	137,224
Mortgage-backed Securities, Issued by Private Enterprises, Residential [Member]
Available for Sale, Amortized Cost
Mortgage-backed securities			45,679	51,681
Available for Sale, Estimated Fair Value
Available-for-sale, at fair value			46,763	$ 51,547
Commercial-U.S. Government agencies and sponsored entities
Available for Sale, Amortized Cost
Mortgage-backed securities			40,012
Available for Sale, Estimated Fair Value
Mortgage-backed securities			46,763
Available-for-sale, at fair value			39,725
Mortgage Backed Securities Residential Non Government Agencies [Member]
Available for Sale, Estimated Fair Value
Mortgage-backed securities			39,725
Mortgage Backed Securities Commercial Non Government Agencies [Member]
Available for Sale, Estimated Fair Value
Mortgage-backed securities			$ 137,326

INVESTMENT SECURITIES (Investme

INVESTMENT SECURITIES (Investment Securities at an Unrealized Loss Position) (Details) $ in Thousands	Dec. 31, 2017USD ($)security	Dec. 31, 2016USD ($)security
Investments, Debt and Equity Securities [Abstract]
Number of investment securities in an unrealized loss position | security	223	242
Total temporary impaired securities
Less than 12 months, Fair Value	$ 559,687	$ 930,710
Less than 12 months, Unrealized Losses	(4,662)	(15,836)
12 months or longer, Fair Value	360,929	3,978
12 months or longer, Unrealized Losses	(9,129)	(223)
Total, Fair Value	920,616	934,688
Total, Unrealized Losses	(13,791)	(16,059)
States and political subdivisions
Total temporary impaired securities
Less than 12 months, Fair Value	53,811	85,288
Less than 12 months, Unrealized Losses	(305)	(1,797)
12 months or longer, Fair Value	15,403	0
12 months or longer, Unrealized Losses	(414)	0
Total, Fair Value	69,214	85,288
Total, Unrealized Losses	(719)	(1,797)
Corporate securities
Total temporary impaired securities
Less than 12 months, Fair Value	0	20,357
Less than 12 months, Unrealized Losses	0	(181)
12 months or longer, Fair Value	5,307	0
12 months or longer, Unrealized Losses	(76)	0
Total, Fair Value	5,307	20,357
Total, Unrealized Losses	(76)	(181)
U.S. Treasury obligations and direct obligations of U.S Government agencies
Total temporary impaired securities
Less than 12 months, Fair Value	10,740
Less than 12 months, Unrealized Losses	(69)
12 months or longer, Fair Value	0
12 months or longer, Unrealized Losses	0
Total, Fair Value	10,740
Total, Unrealized Losses	(69)
Residential-U.S. Government sponsored entities
Total temporary impaired securities
Less than 12 months, Fair Value	335,883	648,923
Less than 12 months, Unrealized Losses	(3,372)	(11,766)
12 months or longer, Fair Value	340,219	3,978
12 months or longer, Unrealized Losses	(8,639)	(223)
Total, Fair Value	676,102	652,901
Total, Unrealized Losses	(12,011)	(11,989)
Residential - Non-government sponsored entities
Total temporary impaired securities
Less than 12 months, Fair Value		30,596
Less than 12 months, Unrealized Losses		(761)
12 months or longer, Fair Value		0
12 months or longer, Unrealized Losses		0
Total, Fair Value		30,596
Total, Unrealized Losses		(761)
Commercial-U.S. Government sponsored entities
Total temporary impaired securities
Less than 12 months, Fair Value	130,763	92,666
Less than 12 months, Unrealized Losses	(723)	(920)
12 months or longer, Fair Value	0	0
12 months or longer, Unrealized Losses	0	0
Total, Fair Value	130,763	92,666
Total, Unrealized Losses	(723)	(920)
Commercial-Non-government sponsored entities
Total temporary impaired securities
Less than 12 months, Fair Value	28,490	52,880
Less than 12 months, Unrealized Losses	(193)	(411)
12 months or longer, Fair Value	0	0
12 months or longer, Unrealized Losses	0	0
Total, Fair Value	28,490	52,880
Total, Unrealized Losses	$ (193)	$ (411)

LOANS AND LEASES (Loans and Lea

LOANS AND LEASES (Loans and Leases) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2017USD ($)loancontract	Dec. 31, 2016USD ($)loancontract	Dec. 31, 2015USD ($)	Dec. 31, 2014USD ($)
LOANS AND LEASES
Recorded Investment	$ 104	$ 282
Number of Contracts | contract	3	3
Mortgage Loans on Real Estate, Foreclosures, Number | loan	1	2
Mortgage Loans on Real Estate, Foreclosures	$ 100	$ 1,300
Loans and leases, gross	3,768,106	3,522,811
Net deferred costs	2,509	2,079
Total loans and leases	$ 3,770,615	3,524,890
Number of loans transferred to held-for-sale category | loan	0
Number of loans sold | loan	0
Activity of loans made to certain directors, executive officers and their affiliates
Balance, beginning of year	$ 17,147
Balance, end of year	32,248	17,147
Total ending balance	50,001	56,631	$ 63,314	$ 74,040
Commercial, financial & agricultural
LOANS AND LEASES
Recorded Investment		0
Loans and leases, gross	503,738	509,987
Net deferred costs	281	453
Total loans and leases	504,019	510,440
Activity of loans made to certain directors, executive officers and their affiliates
Total ending balance	7,594	8,637	6,905	8,954
Real estate | Construction
LOANS AND LEASES
Loans and leases, gross	64,525	101,729
Net deferred costs	(285)	(191)
Total loans and leases	64,240	101,538
Activity of loans made to certain directors, executive officers and their affiliates
Total ending balance	1,835	4,224	8,454	14,969
Real estate | Residential mortgage
LOANS AND LEASES
Recorded Investment	$ 104	$ 282
Number of Contracts | contract	3	3
Loans and leases, gross	$ 1,337,193	$ 1,213,983
Net deferred costs	4,028	3,251
Total loans and leases	1,341,221	1,217,234
Activity of loans made to certain directors, executive officers and their affiliates
Total ending balance	14,328	15,055	14,642	15,031
Real estate | Home equity
LOANS AND LEASES
Loans and leases, gross	412,230	361,210
Net deferred costs	0	(1)
Total loans and leases	412,230	361,209
Activity of loans made to certain directors, executive officers and their affiliates
Total ending balance	3,317	3,502	3,096	2,896
Real estate | Commercial mortgage
LOANS AND LEASES
Loans and leases, gross	979,239	886,615
Net deferred costs	(1,442)	(1,176)
Total loans and leases	977,797	885,439
Activity of loans made to certain directors, executive officers and their affiliates
Total ending balance	16,801	19,104	21,847	20,869
Consumer
LOANS AND LEASES
Carrying value of loan purchased		$ 35,700
Weighted average remaining term		38 months
Consumer | Automobiles
LOANS AND LEASES
Carrying value of loan purchased	83,800	$ 41,200
Premium value of loan purchased	2,300	900
Outstanding value of loan purchased	$ 81,400	$ 40,300
Weighted average remaining term	70 months	64 months
Consumer | Other
LOANS AND LEASES
Loans and leases, gross	$ 470,819	$ 448,610
Net deferred costs	(73)	(257)
Total loans and leases	470,746	448,353
Activity of loans made to certain directors, executive officers and their affiliates
Total ending balance	6,126	6,109	6,230	7,314
Leases
LOANS AND LEASES
Loans and leases, gross	362	677
Net deferred costs	0	0
Total loans and leases	362	677
Activity of loans made to certain directors, executive officers and their affiliates
Total ending balance	$ 0	$ 0	$ 0	$ 7

LOANS AND LEASES (Allowance for

LOANS AND LEASES (Allowance for Loan and Lease Losses) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Allowance for loan and lease losses :
Ending balance attributable to loans : Individually evaluated for impairment	$ 0	$ 0
Ending balance attributable to loans : Collectively evaluated for impairment	50,001	56,631
Total ending balance	50,001	56,631	$ 63,314	$ 74,040
Loans and leases :
Individually evaluated for impairment	21,280	30,723
Collectively evaluated for impairment	3,746,826	3,492,088
Loans and leases	3,768,106	3,522,811
Net deferred costs (income)	2,509	2,079
Total loans and leases	3,770,615	3,524,890
Commercial, financial & agricultural
Allowance for loan and lease losses :
Ending balance attributable to loans : Individually evaluated for impairment	0	0
Ending balance attributable to loans : Collectively evaluated for impairment	7,594	8,637
Total ending balance	7,594	8,637	6,905	8,954
Loans and leases :
Individually evaluated for impairment	491	1,877
Collectively evaluated for impairment	503,247	508,110
Loans and leases	503,738	509,987
Net deferred costs (income)	281	453
Total loans and leases	504,019	510,440
Real Estate | Construction
Allowance for loan and lease losses :
Ending balance attributable to loans : Individually evaluated for impairment	0	0
Ending balance attributable to loans : Collectively evaluated for impairment	1,835	4,224
Total ending balance	1,835	4,224	8,454	14,969
Loans and leases :
Individually evaluated for impairment	2,597	2,936
Collectively evaluated for impairment	61,928	98,793
Loans and leases	64,525	101,729
Net deferred costs (income)	(285)	(191)
Total loans and leases	64,240	101,538
Real Estate | Residential mortgage
Allowance for loan and lease losses :
Ending balance attributable to loans : Individually evaluated for impairment	0	0
Ending balance attributable to loans : Collectively evaluated for impairment	14,328	15,055
Total ending balance	14,328	15,055	14,642	15,031
Loans and leases :
Individually evaluated for impairment	13,862	19,940
Collectively evaluated for impairment	1,323,331	1,194,043
Loans and leases	1,337,193	1,213,983
Net deferred costs (income)	4,028	3,251
Total loans and leases	1,341,221	1,217,234
Real Estate | Home equity
Allowance for loan and lease losses :
Ending balance attributable to loans : Individually evaluated for impairment	0	0
Ending balance attributable to loans : Collectively evaluated for impairment	3,317	3,502
Total ending balance	3,317	3,502	3,096	2,896
Loans and leases :
Individually evaluated for impairment	416	333
Collectively evaluated for impairment	411,814	360,877
Loans and leases	412,230	361,210
Net deferred costs (income)	0	(1)
Total loans and leases	412,230	361,209
Real Estate | Commercial mortgage
Allowance for loan and lease losses :
Ending balance attributable to loans : Individually evaluated for impairment	0	0
Ending balance attributable to loans : Collectively evaluated for impairment	16,801	19,104
Total ending balance	16,801	19,104	21,847	20,869
Loans and leases :
Individually evaluated for impairment	3,914	5,637
Collectively evaluated for impairment	975,325	880,978
Loans and leases	979,239	886,615
Net deferred costs (income)	(1,442)	(1,176)
Total loans and leases	977,797	885,439
Consumer | Other
Allowance for loan and lease losses :
Ending balance attributable to loans : Individually evaluated for impairment	0	0
Ending balance attributable to loans : Collectively evaluated for impairment	6,126	6,109
Total ending balance	6,126	6,109	6,230	7,314
Loans and leases :
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	470,819	448,610
Loans and leases	470,819	448,610
Net deferred costs (income)	(73)	(257)
Total loans and leases	470,746	448,353
Leases
Allowance for loan and lease losses :
Ending balance attributable to loans : Individually evaluated for impairment	0	0
Ending balance attributable to loans : Collectively evaluated for impairment	0	0
Total ending balance	0	0	0	7
Loans and leases :
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	362	677
Loans and leases	362	677
Net deferred costs (income)	0	0
Total loans and leases	362	677
Unallocated
Allowance for loan and lease losses :
Ending balance attributable to loans : Individually evaluated for impairment		0
Ending balance attributable to loans : Collectively evaluated for impairment		0
Total ending balance	$ 0	0	$ 2,140	$ 4,000
Loans and leases :
Individually evaluated for impairment		0
Collectively evaluated for impairment		0
Loans and leases		0
Net deferred costs (income)		0
Total loans and leases		$ 0

LOANS AND LEASES (Impaired Loan

LOANS AND LEASES (Impaired Loans) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Unpaid Principal Balance
Impaired loans with no related allowance recorded	$ 27,799	$ 38,582
Total	27,799	38,582
Recorded Investment
Impaired loans with no related allowance recorded	21,280	30,723
Total	21,280	30,723
Allowance Allocated
Impaired loans with an allowance recorded	0	0	$ 51	$ 1,533
Average recorded investment on impaired loans
Average Recorded Investment	27,260	36,218	51,042
Interest income recognized on impaired loans
Interest Income Recognized	2,348	707	658
Commercial, financial & agricultural
Unpaid Principal Balance
Impaired loans with no related allowance recorded	602	1,988
Recorded Investment
Impaired loans with no related allowance recorded	491	1,877
Average recorded investment on impaired loans
Average Recorded Investment	1,272	1,891	6,273
Interest income recognized on impaired loans
Interest Income Recognized	24	10	17
Real estate | Construction
Unpaid Principal Balance
Impaired loans with no related allowance recorded	7,947	9,056
Recorded Investment
Impaired loans with no related allowance recorded	2,597	2,936
Average recorded investment on impaired loans
Average Recorded Investment	2,760	3,509	4,428
Interest income recognized on impaired loans
Interest Income Recognized	99	123	190
Real estate | Residential mortgage
Unpaid Principal Balance
Impaired loans with no related allowance recorded	14,920	21,568
Recorded Investment
Impaired loans with no related allowance recorded	13,862	19,940
Average recorded investment on impaired loans
Average Recorded Investment	17,122	21,809	25,556
Interest income recognized on impaired loans
Interest Income Recognized	1,843	236	60
Real estate | Home equity
Unpaid Principal Balance
Impaired loans with no related allowance recorded	416	333
Recorded Investment
Impaired loans with no related allowance recorded	416	333
Average recorded investment on impaired loans
Average Recorded Investment	1,213	472	545
Interest income recognized on impaired loans
Interest Income Recognized	69	17	18
Real estate | Commercial mortgage
Unpaid Principal Balance
Impaired loans with no related allowance recorded	3,914	5,637
Recorded Investment
Impaired loans with no related allowance recorded	3,914	5,637
Average recorded investment on impaired loans
Average Recorded Investment	4,893	8,537	14,240
Interest income recognized on impaired loans
Interest Income Recognized	$ 313	$ 321	$ 373

LOANS AND LEASES (Narrative) (D

LOANS AND LEASES (Narrative) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2017USD ($)	Dec. 31, 2016USD ($)loan	Dec. 31, 2015USD ($)loan
LOANS AND LEASES
Interest Income, Nonaccrual	$ 2.6	$ 0.6	$ 0.5
Interest Income, Accrual	0.4	1.2	1.5
Interest Income, Charge-off	0.8	$ 1.3	$ 0.8
Subprime
LOANS AND LEASES
Number of loans | loan		0	0
Residential mortgage | Real estate
LOANS AND LEASES
Loans in foreclosure	$ 0	$ 0.3

LOANS AND LEASES (Aging of Reco

LOANS AND LEASES (Aging of Recorded Investment) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Nonaccrual Loans	$ 2,775	$ 8,396
Total Past Due and Nonaccrual	13,819	18,577
Loans and Leases Not Past Due	3,756,796	3,506,313
Total loans and leases	3,770,615	3,524,890
Additional interest income that would have been recognized, had nonaccrual loans been accruing interest throughout	2,600	600	$ 500
Interest income collected and recognized on charged-off loans	800	1,300	$ 800
Accruing Loans 30 - 59 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Loans Past Due	6,678	7,327
Accruing Loans 60 - 89 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Loans Past Due	3,802	1,463
Accruing Loans Greater Than 90 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Loans Past Due	564	1,391
Commercial, financial & agricultural
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Nonaccrual Loans	0	1,877
Total Past Due and Nonaccrual	765	2,718
Loans and Leases Not Past Due	503,254	507,722
Total loans and leases	504,019	510,440
Commercial, financial & agricultural | Accruing Loans 30 - 59 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Loans Past Due	410	761
Commercial, financial & agricultural | Accruing Loans 60 - 89 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Loans Past Due	355	80
Commercial, financial & agricultural | Accruing Loans Greater Than 90 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Loans Past Due	0	0
Real estate | Construction
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Nonaccrual Loans	0	0
Total Past Due and Nonaccrual	0	0
Loans and Leases Not Past Due	64,240	101,538
Total loans and leases	64,240	101,538
Real estate | Construction | Accruing Loans 30 - 59 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Loans Past Due	0	0
Real estate | Construction | Accruing Loans 60 - 89 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Loans Past Due	0	0
Real estate | Construction | Accruing Loans Greater Than 90 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Loans Past Due	0	0
Real estate | Residential mortgage
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Nonaccrual Loans	2,280	5,322
Total Past Due and Nonaccrual	8,493	10,814
Loans and Leases Not Past Due	1,332,728	1,206,420
Total loans and leases	1,341,221	1,217,234
Real estate | Residential mortgage | Accruing Loans 30 - 59 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Loans Past Due	4,037	5,014
Real estate | Residential mortgage | Accruing Loans 60 - 89 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Loans Past Due	2,127	478
Real estate | Residential mortgage | Accruing Loans Greater Than 90 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Loans Past Due	49	0
Real estate | Home equity
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Nonaccrual Loans	416	333
Total Past Due and Nonaccrual	785	1,776
Loans and Leases Not Past Due	411,445	359,433
Total loans and leases	412,230	361,209
Real estate | Home equity | Accruing Loans 30 - 59 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Loans Past Due	105	43
Real estate | Home equity | Accruing Loans 60 - 89 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Loans Past Due	264	280
Real estate | Home equity | Accruing Loans Greater Than 90 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Loans Past Due	0	1,120
Real estate | Commercial mortgage
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Nonaccrual Loans	79	864
Total Past Due and Nonaccrual	79	991
Loans and Leases Not Past Due	977,718	884,448
Total loans and leases	977,797	885,439
Real estate | Commercial mortgage | Accruing Loans 30 - 59 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Loans Past Due	0	127
Real estate | Commercial mortgage | Accruing Loans 60 - 89 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Loans Past Due	0	0
Real estate | Commercial mortgage | Accruing Loans Greater Than 90 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Loans Past Due	0	0
Consumer | Other
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Nonaccrual Loans	0	0
Total Past Due and Nonaccrual	3,697	2,278
Loans and Leases Not Past Due	467,049	446,075
Total loans and leases	470,746	448,353
Consumer | Other | Accruing Loans 30 - 59 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Loans Past Due	2,126	1,382
Consumer | Other | Accruing Loans 60 - 89 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Loans Past Due	1,056	625
Consumer | Other | Accruing Loans Greater Than 90 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Loans Past Due	515	271
Leases
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Nonaccrual Loans	0	0
Total Past Due and Nonaccrual	0	0
Loans and Leases Not Past Due	362	677
Total loans and leases	362	677
Leases | Accruing Loans 30 - 59 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Loans Past Due	0	0
Leases | Accruing Loans 60 - 89 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Loans Past Due	0	0
Leases | Accruing Loans Greater Than 90 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Loans Past Due	$ 0	$ 0

LOANS AND LEASES (Modifications

LOANS AND LEASES (Modifications) (Details)	12 Months Ended
	Dec. 31, 2017USD ($)loancontract	Dec. 31, 2016USD ($)loancontract
Information related to loans modified in a TDR
Commitments to lend additional funds	$ 0
Holding period limit for accruing interest on TDRs	90 days
Number of Contracts | contract	3	3
Recorded Investment	$ 104,000	$ 282,000
Loans modified as a TDR within the previous twelve months that subsequently defaulted
Number of Contracts | loan	0	0
Accruing Loans Greater Than 90 Days Past Due
Information related to loans modified in a TDR
Amount of TDRs still accruing interest	$ 0	$ 0
Commercial Financial And Agricultural Portfolio Segment [Member]
Information related to loans modified in a TDR
Number of Contracts | contract	0	0
Recorded Investment	$ 0
Real estate | Residential mortgage
Information related to loans modified in a TDR
Number of Contracts | contract	3	3
Recorded Investment	$ 104,000	$ 282,000
Commercial Financial And Agricultural Portfolio Segment [Member]
Information related to loans modified in a TDR
Recorded Investment		0
Nonperforming Financial Instruments [Member]
Information related to loans modified in a TDR
Amount of TDRs still accruing interest	$ 12,600,000	$ 16,200,000
Nonperforming Financial Instruments [Member] | HAWAII | Residential Portfolio Segment [Member]
Information related to loans modified in a TDR
Number of TDRs included in nonperforming assets | loan	6	24
Combined principal balance of troubled debt restructurings included in nonperforming assets	$ 600,000	$ 3,600,000

LOANS AND LEASES (Class and Cre

LOANS AND LEASES (Class and Credit Indicator) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	$ 3,768,106	$ 3,522,811
Net deferred costs (income)	2,509	2,079
Total loans and leases	3,770,615	3,524,890
Pass
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	3,703,685	3,464,237
Special Mention
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	29,157	31,482
Substandard
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	34,993	26,934
Loss
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	271	158
Commercial, financial & agricultural
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	503,738	509,987
Net deferred costs (income)	281	453
Total loans and leases	504,019	510,440
Commercial, financial & agricultural | Pass
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	474,995	502,305
Commercial, financial & agricultural | Special Mention
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	7,543	2,632
Commercial, financial & agricultural | Substandard
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	21,200	5,050
Commercial, financial & agricultural | Loss
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	0	0
Real estate | Construction
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	64,525	101,729
Net deferred costs (income)	(285)	(191)
Total loans and leases	64,240	101,538
Real estate | Construction | Pass
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	55,646	91,812
Real estate | Construction | Special Mention
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	8,879	9,896
Real estate | Construction | Substandard
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	0	21
Real estate | Construction | Loss
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	0	0
Real estate | Residential mortgage
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	1,337,193	1,213,983
Net deferred costs (income)	4,028	3,251
Total loans and leases	1,341,221	1,217,234
Real estate | Residential mortgage | Pass
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	1,334,760	1,208,552
Real estate | Residential mortgage | Special Mention
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	0	109
Real estate | Residential mortgage | Substandard
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	2,433	5,322
Real estate | Residential mortgage | Loss
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	0	0
Real estate | Home equity
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	412,230	361,210
Net deferred costs (income)	0	(1)
Total loans and leases	412,230	361,209
Real estate | Home equity | Pass
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	411,814	359,757
Real estate | Home equity | Special Mention
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	0	0
Real estate | Home equity | Substandard
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	416	1,453
Real estate | Home equity | Loss
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	0	0
Real estate | Commercial mortgage
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	979,239	886,615
Net deferred costs (income)	(1,442)	(1,176)
Total loans and leases	977,797	885,439
Real estate | Commercial mortgage | Pass
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	955,865	852,872
Real estate | Commercial mortgage | Special Mention
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	12,735	18,845
Real estate | Commercial mortgage | Substandard
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	10,639	14,898
Real estate | Commercial mortgage | Loss
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	0	0
Consumer | Other
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	470,819	448,610
Net deferred costs (income)	(73)	(257)
Total loans and leases	470,746	448,353
Consumer | Other | Pass
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	470,243	448,262
Consumer | Other | Special Mention
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	0	0
Consumer | Other | Substandard
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	305	190
Consumer | Other | Loss
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	271	158
Leases
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	362	677
Net deferred costs (income)	0	0
Total loans and leases	362	677
Leases | Pass
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	362	677
Leases | Special Mention
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	0	0
Leases | Substandard
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	0	0
Leases | Loss
Recorded investment in the loans and leases, by class and credit indicator
Loans and leases, gross	$ 0	$ 0

ALLOWANCE FOR LOAN AND LEASE 77

ALLOWANCE FOR LOAN AND LEASE LOSSES (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Changes in the allowance
Beginning balance				$ 56,631				$ 63,314	$ 56,631	$ 63,314	$ 74,040
Provision (credit) for loan and lease losses	$ (186)	$ (126)	$ (2,282)	(80)	$ (2,645)	$ (743)	$ (1,382)	(747)	(2,674)	(5,517)	(15,671)
Subtotal									53,957	57,797	58,369
Charge-offs									8,071	6,862	11,256
Recoveries									4,115	5,696	16,201
Net charge-offs (recoveries)									3,956	1,166	(4,945)
Ending balance	50,001				56,631				50,001	56,631	63,314
Commercial, financial & agricultural
Changes in the allowance
Beginning balance				8,637				6,905	8,637	6,905	8,954
Provision (credit) for loan and lease losses									(705)	1,217	(1,179)
Subtotal									7,932	8,122	7,775
Charge-offs									1,704	1,599	5,658
Recoveries									1,366	2,114	4,788
Net charge-offs (recoveries)									338	(515)	870
Ending balance	7,594				8,637				7,594	8,637	6,905
Real estate | Construction
Changes in the allowance
Beginning balance				4,224				8,454	4,224	8,454	14,969
Provision (credit) for loan and lease losses									(2,558)	(4,363)	(7,395)
Subtotal									1,666	4,091	7,574
Charge-offs									0	0	0
Recoveries									169	133	880
Net charge-offs (recoveries)									(169)	(133)	(880)
Ending balance	1,835				4,224				1,835	4,224	8,454
Real estate | Residential mortgage
Changes in the allowance
Beginning balance				15,055				14,642	15,055	14,642	15,031
Provision (credit) for loan and lease losses									(1,533)	(282)	(1,510)
Subtotal									13,522	14,360	13,521
Charge-offs									73	0	0
Recoveries									879	695	1,121
Net charge-offs (recoveries)									(806)	(695)	(1,121)
Ending balance	14,328				15,055				14,328	15,055	14,642
Real estate | Home equity
Changes in the allowance
Beginning balance				3,502				3,096	3,502	3,096	2,896
Provision (credit) for loan and lease losses									(229)	391	(746)
Subtotal									3,273	3,487	2,150
Charge-offs									0	0	110
Recoveries									44	15	1,056
Net charge-offs (recoveries)									(44)	(15)	(946)
Ending balance	3,317				3,502				3,317	3,502	3,096
Real estate | Commercial mortgage
Changes in the allowance
Beginning balance				19,104				21,847	19,104	21,847	20,869
Provision (credit) for loan and lease losses									(2,460)	(3,558)	(4,903)
Subtotal									16,644	18,289	15,966
Charge-offs									0	209	838
Recoveries									157	1,024	6,719
Net charge-offs (recoveries)									(157)	(815)	(5,881)
Ending balance	16,801				19,104				16,801	19,104	21,847
Consumer | Other
Changes in the allowance
Beginning balance				6,109				6,230	6,109	6,230	7,314
Provision (credit) for loan and lease losses									4,811	3,218	1,956
Subtotal									10,920	9,448	9,270
Charge-offs									6,294	5,054	4,650
Recoveries									1,500	1,715	1,610
Net charge-offs (recoveries)									4,794	3,339	3,040
Ending balance	6,126				6,109				6,126	6,109	6,230
Leases
Changes in the allowance
Beginning balance				0				0	0	0	7
Provision (credit) for loan and lease losses									0	0	(34)
Subtotal									0	0	(27)
Charge-offs										0	0
Recoveries									0	0	27
Net charge-offs (recoveries)									0	0	(27)
Ending balance	0				0				0	0	0
Unallocated
Changes in the allowance
Beginning balance				$ 0				$ 2,140	0	2,140	4,000
Provision (credit) for loan and lease losses									0	(2,140)	(1,860)
Subtotal									0	0	2,140
Charge-offs									0	0	0
Recoveries									0	0	0
Net charge-offs (recoveries)									0	0	0
Ending balance	$ 0				$ 0				$ 0	$ 0	$ 2,140

ALLOWANCE FOR LOAN AND LEASE 78

ALLOWANCE FOR LOAN AND LEASE LOSSES (Impaired Loans) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Changes in the allowance for loan and lease losses for impaired loans
Balance, beginning of year	$ 0	$ 51	$ 1,533
Provision for loan and lease losses	0	0	51
Other changes	0	(51)	(1,533)
Balance, end of year	$ 0	$ 0	$ 51

SECURITIZATIONS (Details)

SECURITIZATIONS (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
SECURITIZATIONS
Mortgage servicing rights	$ 15,843	$ 15,779
Significant Other Observable Inputs (Level 2)
SECURITIZATIONS
Mortgage servicing rights	0	0
Residential mortgage | Significant Other Observable Inputs (Level 2)
SECURITIZATIONS
Mortgage servicing rights	1,500	2,000
Unrealized gains recorded in AOCI	$ 100	$ 100

PREMISES AND EQUIPMENT (Details

PREMISES AND EQUIPMENT (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Premises and Equipment
Gross premises and equipment	$ 145,755	$ 139,398
Accumulated depreciation and amortization	(97,407)	(91,140)
Net premises and equipment	48,348	48,258
Land
Premises and Equipment
Gross premises and equipment	8,309	8,309
Office buildings and improvements
Premises and Equipment
Gross premises and equipment	100,314	96,898
Furniture, fixtures and equipment
Premises and Equipment
Gross premises and equipment	$ 37,132	$ 34,191

PREMISES AND EQUIPMENT (Depreci

PREMISES AND EQUIPMENT (Depreciation and Amortization) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Premises and Equipment
Depreciation and amortization of premises and equipment	$ 6,441	$ 6,049	$ 5,870
Net occupancy
Premises and Equipment
Depreciation and amortization of premises and equipment	3,880	4,097	3,997
Equipment
Premises and Equipment
Depreciation and amortization of premises and equipment	$ 2,561	$ 1,952	$ 1,873

INVESTMENTS IN UNCONSOLIDATED82

INVESTMENTS IN UNCONSOLIDATED SUBSIDIARIES (Narrative) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Investments in and Advances to Affiliates, Schedule of Investments [Abstract]
Unfunded low income housing commitment	$ 2,581	$ 1,700

INVESTMENTS IN UNCONSOLIDATED83

INVESTMENTS IN UNCONSOLIDATED SUBSIDIARIES (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Investments in and Advances to Affiliates, Schedule of Investments [Abstract]
Investments in low income housing tax credit partnerships	$ 3,608	$ 3,353
Trust preferred investments	2,792	2,792
Investments in affiliates	634	690
Other	54	54
Total	$ 7,088	$ 6,889

INVESTMENTS IN UNCONSOLIDATED84

INVESTMENTS IN UNCONSOLIDATED SUBSIDIARIES Investment in LHIC (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Investments in and Advances to Affiliates, Schedule of Investments [Abstract]
Amortization expense recognized in other operating expense	$ 744	$ 1,045	$ 1,078
Federal and state tax credits recognized in income tax expense	$ 919	$ 1,174	$ 1,225

INVESTMENTS IN UNCONSOLIDATED85

INVESTMENTS IN UNCONSOLIDATED SUBSIDIARIES (Future Commitments) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Investments in and Advances to Affiliates [Abstract]
2,018	$ 1,881
2,019	700
2,020	0
2,021	0
2,022	0
Thereafter	0
Affordable Housing Program Obligation	$ 2,581	$ 1,700

OTHER INTANGIBLE ASSETS (Detail

OTHER INTANGIBLE ASSETS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2017	Dec. 31, 2016
OTHER INTANGIBLE ASSETS
Loans Serviced For Others				$ 2,080,000	$ 2,120,000
Mortgage banking income	$ 6,962	$ 8,069	$ 7,254
Mortgage servicing rights				15,843	15,779
Changes in other intangible assets
Balance, beginning of period	20,459	25,152
Additions	2,352	3,048
Amortization	(4,962)	(7,741)
Balance, end of period	17,849	20,459	25,152
Gross carrying value, accumulated amortization and net carrying value related to intangible assets
Gross Carrying Value				109,043	106,691
Accumulated Amortization				(91,194)	(86,232)
Net Carrying Value	20,459	25,152	25,152	17,849	20,459
Estimated Amortization Expense
2,016				4,177
2,017				1,705
2,018				1,407
2,019				1,183
2,020				990
Thereafter				8,387
Net Carrying Value	20,459	25,152	25,152	17,849	20,459
Other disclosures
Income generated as a result of new mortgage servicing rights reported as gains on sale of loans	4,069	7,631	6,107
Core Deposit Premium
Changes in other intangible assets
Balance, beginning of period	4,680	7,355
Additions	0	0
Amortization	(2,674)	(2,675)	(2,674)
Balance, end of period	2,006	4,680	7,355
Gross carrying value, accumulated amortization and net carrying value related to intangible assets
Gross Carrying Value				44,642	44,642
Accumulated Amortization				(42,636)	(39,962)
Net Carrying Value	4,680	7,355	7,355	2,006	4,680
Estimated Amortization Expense
2,016				2,006
2,017				0
2,018				0
2,019				0
2,020				0
Thereafter				0
Net Carrying Value	4,680	7,355	7,355	2,006	4,680
Mortgage Servicing Rights
OTHER INTANGIBLE ASSETS
Mortgage banking income	2,400	3,000	2,300
Changes in other intangible assets
Balance, beginning of period	15,779	17,797
Additions	2,352	3,048
Amortization	(2,288)	(5,066)
Balance, end of period	15,843	15,779	17,797
Gross carrying value, accumulated amortization and net carrying value related to intangible assets
Gross Carrying Value				64,401	62,049
Accumulated Amortization				(48,558)	(46,270)
Net Carrying Value	15,779	17,797	17,797	15,843	15,779
Estimated Amortization Expense
2,016				2,171
2,017				1,705
2,018				1,407
2,019				1,183
2,020				990
Thereafter				8,387
Net Carrying Value	15,779	17,797	17,797	$ 15,843	$ 15,779
Fair market value and key assumptions used in determining the fair market value
Fair market value, beginning of period	$ 18,087	18,345
Fair market value, end of period		$ 18,087	$ 18,345
Weighted average discount rate	9.50%	9.50%
Weighted average prepayment speed assumption	16.00%	14.30%

DERIVATIVES (Details)

DERIVATIVES (Details) $ / shares in Thousands, $ in Thousands	Dec. 31, 2017USD ($)$ / shares	Dec. 31, 2016USD ($)
Designated as Hedging Instrument [Member]
DERIVATIVES
Derivative, Number of Instruments Held | $ / shares	0
Interest rate options
DERIVATIVES
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability	$ 2,494	$ 879
Interest rate options | Interest rate lock commitments | Derivative instruments not designated as hedging instruments.
DERIVATIVES
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability		879
Interest Rate Forwards [Member]
DERIVATIVES
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability	$ 18,748	32,497
Interest Rate Forwards [Member] | Forward sale commitments | Derivative instruments not designated as hedging instruments.
DERIVATIVES
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability		$ 32,497

DERIVATIVES (Balance Sheet) (De

DERIVATIVES (Balance Sheet) (Details) - Derivative instruments not designated as hedging instruments. - Derivatives - Interest rate contracts - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Asset Derivatives
Fair Value	$ 35	$ 260
Liability Derivatives
Fair Value	$ 49	$ 118

(Income Statement) (Details)

(Income Statement) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
DERIVATIVES
Amount of Gain (Loss) Recognized in Earnings on Derivatives	$ (156)	$ 83	$ (324)
Derivative instruments not designated as hedging instruments. | Derivatives - Interest rate contracts
DERIVATIVES
Amount of Gain (Loss) Recognized in Earnings on Derivatives	$ (156)	$ 83

DEPOSITS (Details)

DEPOSITS (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Maturities of time deposits of $250,000 or more
Three months or less	$ 527,762
Over three months through six months	202,367
Over six months through twelve months	49,764
2,019	50,159
2,020	34,602
2,021	3,585
2,022	3,070
Thereafter	0
Time deposits of $250,000 or more	871,309	$ 798,900
Overdrawn deposit accounts	$ 700	$ 700

SHORT-TERM BORROWINGS (Details)

SHORT-TERM BORROWINGS (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
SHORT-TERM BORROWINGS
Maximum borrowing capacity	$ 1,502,812,000
Amount outstanding at December 31	32,000,000	$ 135,000,000	$ 69,000,000
Interest expense on short-term borrowings	183,000	578,000	254,000
Average amount outstanding during year	15,531,000	110,928,000	92,045,000
Highest month-end balance during year	$ 69,000,000	$ 226,000,000	$ 157,000,000
Weighted average interest rate on balances outstanding at December 31	1.63%	0.74%	0.35%
Weighted average interest rate during year	1.18%	0.52%	0.28%
Federal Reserve discount window line of credit | Central Bank
SHORT-TERM BORROWINGS
Additional unused borrowings available	$ 73,000,000	$ 63,700,000
Commercial real estate and commercial loans pledged as collateral	129,200,000	$ 129,900,000
FHLB line of credit
SHORT-TERM BORROWINGS
Additional unused borrowings available	1,470,000,000
Commercial real estate and commercial loans pledged as collateral	$ 2,020,000,000

LONG-TERM DEBT (Details)

LONG-TERM DEBT (Details)	1 Months Ended			12 Months Ended
	Dec. 31, 2004USD ($)	Sep. 30, 2004USD ($)	Oct. 31, 2003USD ($)trust	Dec. 31, 2017USD ($)period	Dec. 31, 2016USD ($)	Dec. 31, 2015USD ($)
LONG-TERM DEBT
Long-term debt				$ 92,785,000	$ 92,785,000
Interest expense				3,479,000	3,005,000	$ 2,626,000
Number of wholly-owned statutory trusts created | trust			2
CPB Capital Trust II
LONG-TERM DEBT
Trust preferred securities issued			$ 20,000,000
Variable rate basis			three-month LIBOR
Basis spread			2.85%
Common securities issued to the Company			$ 600,000
CPB Capital Trust III
LONG-TERM DEBT
Trust preferred securities issued			$ 20,000,000
Variable rate basis			three-month LIBOR
Basis spread			2.85%
Common securities issued to the Company			$ 600,000
CPB Capital Trust IV
LONG-TERM DEBT
Trust preferred securities issued		$ 30,000,000
Variable rate basis		three-month LIBOR
Basis spread		2.45%
Common securities issued to the Company		$ 900,000
CPB Capital Trust V
LONG-TERM DEBT
Trust preferred securities issued	$ 20,000,000
Variable rate basis	three-month LIBOR
Basis spread	1.87%
Common securities issued to the Company	$ 600,000
FHLB line of credit
LONG-TERM DEBT
Additional unused capacity available				1,470,000,000
Real estate loans pledged as collateral				2,020,000,000
Interest expense				0	0	$ 0
Subordinated debentures
LONG-TERM DEBT
Long-term debt				$ 92,785,000	$ 92,785,000
Number of consecutive quarterly periods for which payments of interest can be deferred without default or penalty (up to) | period				20
Subordinated debentures | Maximum
LONG-TERM DEBT
Redemption period of trust preferred securities, the subordinated debentures and the common securities, following the occurrence of certain events				90 days
Subordinated debentures | CPB Capital Trust II
LONG-TERM DEBT
Long-term debt				$ 20,600,000
Subordinated debentures | CPB Capital Trust III
LONG-TERM DEBT
Long-term debt				20,600,000
Subordinated debentures | CPB Capital Trust IV
LONG-TERM DEBT
Long-term debt				30,900,000
Subordinated debentures | CPB Capital Trust V
LONG-TERM DEBT
Long-term debt				$ 20,600,000

LONG-TERM DEBT (Future Principa

LONG-TERM DEBT (Future Principal Payments) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Future principal payments on long-term debt based on final maturity
2,016	$ 0
2,017	0
2,018	0
2,019	0
2,020	0
Thereafter	92,785
Total	$ 92,785	$ 92,785

EQUITY (Details)

EQUITY (Details) - USD ($)	1 Months Ended		12 Months Ended
	Jan. 31, 2017	Dec. 31, 2015	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Nov. 30, 2017	Jan. 31, 2016	Jan. 31, 2015	May 20, 2014
EQUITY
Number of shares repurchased or acquired through tender offer			864,483	796,822	4,122,881
Central Bank
EQUITY
Retained earnings			$ 85,600,000
Common Stock | Repurchase Agreements
EQUITY
Number of shares repurchased					4,122,881
Amount authorized under the 2014 Repurchase Plan								$ 75,000,000	$ 30,000,000
Repurchased amount					$ 93,500,000
Increase in authorized amount		$ 25,000,000
Common Stock | 2016 Repurchase Plan [Member]
EQUITY
Value of shares repurchased or acquired through tender offer	$ 100,000			$ 18,200,000
Number of shares repurchased or acquired through tender offer	1,750			796,822
Amount authorized under the 2014 Repurchase Plan	$ 30,000,000						$ 30,000,000
Common Stock | 2017 Repurchase Plan [Member]
EQUITY
Value of shares repurchased or acquired through tender offer			$ 26,600,000
Number of shares repurchased or acquired through tender offer			864,483
Amount authorized under the 2014 Repurchase Plan						$ 50,000,000
Remaining amount available for repurchase			$ 53,500,000

SHARE-BASED COMPENSATION (Share

SHARE-BASED COMPENSATION (Share-Based Compensation) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
SHARE-BASED COMPENSATION
Net share-based compensation effect	$ 1,513	$ 1,922	$ 2,565
Salaries and employee benefits
SHARE-BASED COMPENSATION
Net share-based compensation effect	3,266	3,094	4,181
Directors stock awards
SHARE-BASED COMPENSATION
Net share-based compensation effect	150	97	78
Income tax benefit
SHARE-BASED COMPENSATION
Net share-based compensation effect	$ (1,903)	$ (1,269)	$ (1,694)

SHARE-BASED COMPENSATION (Equit

SHARE-BASED COMPENSATION (Equity Incentive Plans and Stock Option Activity) (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	12 Months Ended
	May 31, 2007	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Apr. 30, 2013	Apr. 30, 2011	Mar. 31, 2011	Sep. 30, 2004
SHARE-BASED COMPENSATION
Grants in period		0	0
Stock Option
SHARE-BASED COMPENSATION
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding			$ 800	$ 200
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term		4 years 2 months 12 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value		$ 2,410
Contractual terms		10 years
Grants in period		0	0	0
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price		$ 0
Shares
Outstanding at the beginning of the period (in shares)		162,063
Changes during the period
Exercised (shares)		0
Expired (in shares)		(1,175)
Forfeited (in shares)		(629)
Outstanding at the end of the period (in shares)		160,259	162,063
Weighted Average Exercise Price
Outstanding at the beginning of the period (in dollars per share)		$ 24.95
Changes during the period:
Exercised (in dollars per share)		0
Expired (in dollars per share)		706.54
Forfeited (in dollars per share)		210.50
Outstanding at the end of the period (in dollars per share)		$ 19.22	$ 24.95
Weighted Average Remaining Contractual Term
Outstanding		4 years 2 months 12 days
Aggregate Intrinsic Value
Outstanding		$ 2,410
Additional disclosures
Total fair value of shares vested		$ 500	$ 400	$ 400
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number		160,259
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price		$ 19.22
Stock Option | Stock Compensation 2004 Plan
SHARE-BASED COMPENSATION
Shares authorized for grants						4,944,831	1,402,589	1,500,000
Additional shares authorized for grants	1,000,000	1,567,912	1,671,752	1,922,130
Stock Option | Stock Option 2013 Plan
SHARE-BASED COMPENSATION
Shares authorized for grants					2,200,000
Stock Option | Minimum
SHARE-BASED COMPENSATION
Vesting period		3 years
Stock Option | Maximum
SHARE-BASED COMPENSATION
Vesting period		5 years

SHARE-BASED COMPENSATION (Restr

SHARE-BASED COMPENSATION (Restricted Stock Awards and Units) (Details) - Restricted Stock Awards and Units - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Activity of nonvested shares
Nonvested at the beginning of the period (in shares)	437,697	463,917	715,460
Changes during the period:
Granted (in shares)	126,204	296,078	173,897
Forfeited (in shares)	(31,570)	(66,972)	(82,373)
Vested (in shares)	(134,780)	(255,326)	(343,067)
Nonvested at the end of the period (in shares)	397,551	437,697	463,917
Weighted Average Grant Date Fair Value
Nonvested at the beginning of the period (in dollars per share)	$ 22.01	$ 17.41	$ 15.77
Changes during the period:
Granted (in dollars per share)	31.35	23.65	19.50
Forfeited (in dollars per share)	24.89	20.97	16.73
Vested (in dollars per share)	19.81	15.83	15.21
Nonvested at the end of the period (in dollars per share)	$ 25.49	$ 22.01	$ 17.41
Additional disclosures
Weighted-average period for recognition of compensation cost not yet recognized	2 years 8 months
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options	$ 7,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value	$ 4,224	$ 5,806	$ 7,888
Minimum
Additional disclosures
Vesting period	3 years
Maximum
Additional disclosures
Vesting period	5 years

PENSION PLANS (Defined Benefit

PENSION PLANS (Defined Benefit Retirement Plan) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Jun. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Change in benefit obligation
Annuity purchase		$ 0	$ 9,390
Change in plan assets, at fair value:
Annuity purchase		$ 0	9,390
Components of net periodic benefit cost
Settlement			3,847
Pension Plan
PENSION PLANS
Consecutive period of service considered for highest average annual salaries for calculation of benefits under the reactivated plan		60 months
Increase in unrecognized prior service cost due to reactivation of the plan		$ 5,900
Amortization period of increase in prior service cost		13 years
Change in benefit obligation
Benefit obligation at beginning of year		$ 23,677	33,067
Interest cost		926	1,374	$ 1,383
Actuarial (gains) losses		752	1,039
Benefits paid		(1,884)	(2,413)
Benefit obligation at end of the year		23,471	23,677	33,067
Change in plan assets, at fair value:
Fair value of plan assets at beginning of year		18,539	26,321
Actual return on plan assets		2,177	1,021
Employer contributions		4,000	3,000
Benefits paid		(1,884)	(2,413)
Fair value of plan assets at end of year		22,832	18,539	26,321
Funded status at end of year		(639)	(5,138)
Amounts recognized in AOCI
Net actuarial losses		$ (8,472)	$ (10,052)
Benefit obligation actuarial assumptions:
Weighted average discount rate		3.60%	4.10%
Components of net periodic benefit cost
Interest cost		$ 926	$ 1,374	1,383
Expected return on plan assets		(1,036)	(1,542)	(1,893)
Amortization of net actuarial losses		1,191	1,548	1,577
Settlement		0	3,847	0
Net periodic benefit cost		$ 1,081	$ 5,227	$ 1,067
Net periodic cost actuarial assumptions
Weighted average discount rate		4.10%	4.30%	4.00%
Expected long-term rate of return on plan assets		5.50%	6.00%	7.00%
SERPs
Change in benefit obligation
Benefit obligation at beginning of year		$ 10,292	$ 10,651
Interest cost		429	465	$ 440
Actuarial (gains) losses		1,708	(598)
Benefits paid		(1,210)	(226)
Benefit obligation at end of the year		11,219	10,292	10,651
Change in plan assets, at fair value:
Fair value of plan assets at beginning of year		0	0
Employer contributions		1,209	226
Benefits paid		(1,209)	(226)
Fair value of plan assets at end of year		0	0	0
Funded status at end of year		(11,219)	(10,292)
Amounts recognized in AOCI
Net transition obligation		(100)	(112)
Prior service cost		(49)	(66)
Net actuarial losses		(2,163)	(701)
Total amounts recognized in AOCI		$ (2,312)	$ (879)
Benefit obligation actuarial assumptions:
Weighted average discount rate		3.50%	4.10%
Components of net periodic benefit cost
Interest cost		$ 429	$ 465	440
Amortization of net actuarial (gains) losses		102	51	111
Amortization of net transition obligation		18	17	16
Amortization of net actuarial losses		18	18	18
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	$ 100	138	0	0
Net periodic benefit cost		$ 705	$ 551	$ 585
Net periodic cost actuarial assumptions
Weighted average discount rate		4.10%	4.40%	4.10%

PENSION PLANS (Asset Allocation

PENSION PLANS (Asset Allocations) (Details) - Pension Plan - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
PENSION AND SUPPLEMENTAL EXECUTIVE RETIREMENT PLANS
Asset allocations by asset category	100.00%	100.00%
Equity Securities
PENSION AND SUPPLEMENTAL EXECUTIVE RETIREMENT PLANS
Asset allocations by asset category	53.90%	50.60%
Equity securities included the entity's common stock	$ 0.1	$ 0.1
Debt Securities
PENSION AND SUPPLEMENTAL EXECUTIVE RETIREMENT PLANS
Asset allocations by asset category	42.30%	34.00%
Other
PENSION AND SUPPLEMENTAL EXECUTIVE RETIREMENT PLANS
Asset allocations by asset category	3.80%	15.40%

PENSION PLANS (Fair Value of De

PENSION PLANS (Fair Value of Defined Benefit) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Jun. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value		$ 22,832	$ 18,539	$ 26,321
SERPs
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	$ (100)	(138)	0	0
Fair value		0	0	$ 0
Expected contribution to the defined benefit retirement plan		400
Quoted Prices in Active Markets for Identical Assets (Level 1) | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value		18,801	14,706
Significant Other Observable Inputs (Level 2) | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value		4,031	3,833
Money market accounts | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value		858	2,852
Money market accounts | Quoted Prices in Active Markets for Identical Assets (Level 1) | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value		858	2,852
Mutual funds | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value		12,258	7,250
Mutual funds | Quoted Prices in Active Markets for Identical Assets (Level 1) | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value		12,258	7,250
Government obligations | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value		1,942	2,134
Government obligations | Significant Other Observable Inputs (Level 2) | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value		1,942	2,134
Common Stock | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value		5,509	4,474
Common Stock | Quoted Prices in Active Markets for Identical Assets (Level 1) | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value		5,509	4,474
Preferred Stock | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value		176	130
Preferred Stock | Quoted Prices in Active Markets for Identical Assets (Level 1) | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value		176	130
Corporate securities | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value		2,089	1,699
Corporate securities | Significant Other Observable Inputs (Level 2) | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Fair value		$ 2,089	$ 1,699

PENSION PLANS (Amortization of

PENSION PLANS (Amortization of AOCI and Estimated Future Benefit Payments) (Details) $ in Thousands	Dec. 31, 2017USD ($)
Pension Plan
Estimated amortization of components included in AOCI that will be recognized into net periodic cost for the next fiscal year
Amortization of prior service cost	$ 1,000
Estimated future benefit payments
2,016	1,852
2,017	1,819
2,018	1,777
2,019	1,737
2,020	1,672
2021-2025	7,460
Total	16,317
SERPs
Estimated amortization of components included in AOCI that will be recognized into net periodic cost for the next fiscal year
Amortization of net actuarial losses	102
Amortization of net transition obligation	18
Amortization of prior service cost	18
Estimated future benefit payments
2,016	351
2,017	347
2,018	340
2,019	325
2,020	316
2021-2025	3,212
Total	$ 4,891

401 (K) RETIREMENT SAVINGS PLAN

401 (K) RETIREMENT SAVINGS PLAN (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Defined Contribution Plan [Abstract]
Employee's elective deferrals	100.00%
Matching contributions by employer (up to)	4.00%
Employer matching contributions to the Retirement Savings Plan	$ 2.1	$ 2	$ 1.6

OPERATING LEASES (Net Rent Expe

OPERATING LEASES (Net Rent Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
OPERATING LEASES
Total net rent expense	$ 8,290	$ 8,676	$ 9,292
Net Occupancy
OPERATING LEASES
Add: rent expense charged to equipment expense	8,318	8,700	9,287
Less: sublease income	(43)	(43)	(25)
Total net rent expense	8,275	8,657	9,262
Equipment
OPERATING LEASES
Add: rent expense charged to equipment expense	$ 15	$ 19	$ 30
Minimum
OPERATING LEASES
Period for which option to extend the lease term is available	5 years
Maximum
OPERATING LEASES
Period for which option to extend the lease term is available	15 years

OPERATING LEASES (Future Minimu

OPERATING LEASES (Future Minimum Rental Commitments) (Details) $ in Thousands	Dec. 31, 2017USD ($)
Rental Commitment
2,016	$ 6,334
2,017	5,827
2,018	5,296
2,019	4,755
2,020	4,079
Thereafter	18,585
Total	$ 44,876

OPERATING LEASES (Future Min105

OPERATING LEASES (Future Minimum Rental Income) (Details) $ in Thousands	Dec. 31, 2017USD ($)
Future minimum rental income for those noncancellable operating leases that had initial lease terms in excess of one year
2,016	$ 1,750
2,017	1,061
2,018	833
2,019	980
2,020	429
Thereafter	184
Total	$ 5,237

INCOME AND FRANCHISE TAXES (Inc

INCOME AND FRANCHISE TAXES (Income Tax Expense (Benefit)) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Current
Federal	$ 1,727	$ 805	$ 1,128
State	(81)	(4)	(119)
Total	1,646	801	1,009
Deferred
Federal	27,263	19,842	20,061
State	4,943	4,585	6,018
Total	32,206	24,427	26,079
Total
Federal	28,990	20,647	21,189
State	4,862	4,581	5,899
Total	$ 33,852	25,228	27,088
Reconciliation between the income tax benefit and the expected tax benefit
U.S. Federal corporate tax rate	35.00%
Computed expected tax expense (benefit)	$ 26,270	25,260	25,535
Increase (decrease) in taxes resulting from:
Tax-exempt interest	(1,387)	(1,410)	(1,420)
Other tax-exempt income	(1,186)	(940)	(712)
Low-income housing and energy tax credits	(1,135)	(899)	(946)
State income taxes, net of Federal income tax effect, excluding impact of deferred tax valuation allowance	3,145	2,981	3,834
Change in the beginning-of-the-year balance of the valuation allowance for deferred tax assets allocated to income tax expense	570	(52)	(44)
Tax Cuts And Jobs Act of 2017, Change In Tax Rate, Deferred Tax Asset, Income Tax Expense (Benefit)	7,440	0	0
Other, net	135	288	841
Total	33,852	25,228	$ 27,088
Income Tax Benefit, Due to Vesting of Restricted Stock	500
Federal
Investments, Owned, Federal Income Tax Note [Line Items]
Income Taxes Receivable	6,700
Taxes Payable		28
State
Investments, Owned, Federal Income Tax Note [Line Items]
Income Taxes Receivable	$ 6	$ 4

INCOME AND FRANCHISE TAXES (Def

INCOME AND FRANCHISE TAXES (Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Deferred tax assets
Allowance for loan and lease losses	$ 10,622	$ 19,926
Accrued expenses	294	644
Employee retirement benefits	2,784	6,138
Federal and state tax credit carryforwards	12,473	33,803
Federal and state net operating loss carryforwards	3,306	2,732
Restricted stock and non-qualified stock options	661	412
Premises and equipment	3,633	4,106
Other	3,169	5,060
Total deferred tax assets	36,942	72,821
Deferred tax liabilities
Intangible assets	4,785	8,138
Other	2,343	3,006
Total deferred tax liabilities	7,128	11,144
Less: Deferred tax valuation allowance	3,321	2,751
Net deferred tax assets	26,493	58,926
Net change in the total valuation allowance	(600)	100
Federal
Income Tax Contingency [Line Items]
Income tax receivable, current	6,700
State
Income Tax Contingency [Line Items]
Income tax receivable, current	$ 6	$ 4

INCOME AND FRANCHISE TAXES (Tax

INCOME AND FRANCHISE TAXES (Tax Credit Carryforwards) (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Operating loss carryforwards
Net deferred tax assets	$ 26,493,000	$ 58,926,000
Unrecognized tax benefits that, if recognized would favorably affect the effective income tax rate	0
State
Operating loss carryforwards
Tax credit carryforwards that do not expire	11,300,000
State | CALIFORNIA
Operating loss carryforwards
Net operating loss carryforwards	3,300,000
State | HAWAII
Operating loss carryforwards
Tax credit carryforwards that do not expire	$ 1,200,000

ACCUMULATED OTHER COMPREHENS109

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Components of Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Net unrealized gains/losses on investment securities, Before Tax
Net unrealized gains/(losses) arising during the period	$ (838)	$ (7,397)	$ (9,184)
Less: Reclassification adjustment for losses realized in net income	1,410	0	1,866
Net unrealized gains/(losses) on investment securities	572	(7,397)	(7,318)
Defined benefit plans, Before Tax
Net actuarial gains/losses arising during the period	(1,318)	(963)	687
Other comprehensive income (loss)	721	(2,879)	(4,909)
Net unrealized gains/losses on investment securities, Tax Effect
Net unrealized gains/losses arising during the period	(333)	(2,945)	(3,655)
Less: Reclassification adjustment for gains/losses realized in net income	561	0	742
Net unrealized gains (losses) on investment securities	228	(2,945)	(2,913)
Defined benefit plans, Tax Effect
Net actuarial gains/losses arising during the period	(518)	(385)	274
Other comprehensive income (loss)	239	(1,155)	(1,953)
Net unrealized gains/losses on investment securities, Net of Tax
Net unrealized gains/losses arising during the period	(505)	(4,452)	(5,529)
Less: Reclassification adjustment for gains/losses realized in net income	849	0	1,124
Net unrealized gains (losses) on investment securities	344	(4,452)	(4,405)
Defined benefit plans, Net of Tax
Net actuarial gains/losses arising during the period	(800)	(578)	413
Amounts reclassified from AOCI	1,787	3,306	2,160
Total other comprehensive income (loss), net of tax	482	(1,724)	(2,956)
Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member]
Defined benefit plans, Before Tax
Amortization of net transition obligation	1,293	1,599	1,688
Defined benefit plans, Tax Effect
Amortization of net transition obligation	460	634	672
Defined benefit plans, Net of Tax
Amounts reclassified from AOCI	833	965	1,016
Accumulated Defined Benefit Plans Adjustment, Net Transition Attributable to Parent [Member]
Defined benefit plans, Before Tax
Amortization of net transition obligation	18	17	16
Defined benefit plans, Tax Effect
Amortization of net transition obligation	7	6	7
Defined benefit plans, Net of Tax
Amounts reclassified from AOCI	11	11	9
Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member]
Defined benefit plans, Before Tax
Amortization of net transition obligation	18	18	18
Defined benefit plans, Tax Effect
Amortization of net transition obligation	7	7	7
Defined benefit plans, Net of Tax
Amounts reclassified from AOCI	11	11	11
Accumulated Defined Benefit Plans, Settlement Attributable to Parent [Member]
Defined benefit plans, Before Tax
Amortization of net transition obligation	138	3,847
Defined benefit plans, Tax Effect
Amortization of net transition obligation	55	1,528
Defined benefit plans, Net of Tax
Amounts reclassified from AOCI	83	2,319
Defined Benefit Plans
Defined benefit plans, Before Tax
Other comprehensive income (loss)	(149)	(4,518)	(2,409)
Defined benefit plans, Tax Effect
Other comprehensive income (loss)	(11)	(1,790)	(960)
Defined benefit plans, Net of Tax
Amounts reclassified from AOCI	938	3,306	1,036
Total other comprehensive income (loss), net of tax	$ 138	$ 2,728	$ 1,449

ACCUMULATED OTHER COMPREHENS110

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Changes in AOCI) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Changes in each component of accumulated other comprehensive income (loss), net of tax
Balance at the beginning of the period	$ (1,521)	$ 203	$ 3,159
Other comprehensive income (loss) before reclassifications	(1,305)	(5,030)	(5,116)
Amounts reclassified from AOCI	1,787	3,306	2,160
Total other comprehensive income (loss), net of tax	482	(1,724)	(2,956)
Balance at the end of the period	(1,039)	(1,521)	203
Investment Securities
Changes in each component of accumulated other comprehensive income (loss), net of tax
Balance at the beginning of the period	4,729	9,181	13,586
Other comprehensive income (loss) before reclassifications	(505)	(4,452)	(5,529)
Amounts reclassified from AOCI	849	0	1,124
Total other comprehensive income (loss), net of tax	344	(4,452)	(4,405)
Balance at the end of the period	5,073	4,729	9,181
Defined Benefit Plans
Changes in each component of accumulated other comprehensive income (loss), net of tax
Balance at the beginning of the period	(6,250)	(8,978)	(10,427)
Other comprehensive income (loss) before reclassifications	(800)	(578)	413
Amounts reclassified from AOCI	938	3,306	1,036
Total other comprehensive income (loss), net of tax	138	2,728	1,449
Balance at the end of the period	$ (6,112)	$ (6,250)	$ (8,978)

ACCUMULATED OTHER COMPREHENS111

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Reclassified Out of AOCI) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Amounts reclassified out of each component of accumulated other comprehensive income
Investment securities gains (losses)					$ 0	$ 0	$ 0	$ 0	$ (1,410)	$ 0	$ (1,866)
Tax benefit									(33,852)	(25,228)	(27,088)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax									(1,787)	(3,306)	(2,160)
Total reclassifications for the period	$ 4,288	$ 11,812	$ 12,025	$ 13,079	$ 12,208	$ 11,466	$ 12,137	$ 11,181	41,204	46,992	45,868
Amount Reclassified from AOCI
Amounts reclassified out of each component of accumulated other comprehensive income
Total before tax									(138)	(3,847)	0
Total reclassifications for the period									(1,787)	(3,306)	(2,160)
Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member]
Amounts reclassified out of each component of accumulated other comprehensive income
Total before tax									(1,293)	(1,599)	(1,688)
Reclassification from AOCI, Current Period, Tax									(460)	(634)	(672)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax									(833)	(965)	(1,016)
Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member] | Amount Reclassified from AOCI
Amounts reclassified out of each component of accumulated other comprehensive income
Total before tax									(1,293)	(1,599)	(1,688)
Accumulated Defined Benefit Plans Adjustment, Net Transition Attributable to Parent [Member]
Amounts reclassified out of each component of accumulated other comprehensive income
Total before tax									(18)	(17)	(16)
Reclassification from AOCI, Current Period, Tax									(7)	(6)	(7)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax									(11)	(11)	(9)
Accumulated Defined Benefit Plans Adjustment, Net Transition Attributable to Parent [Member] | Amount Reclassified from AOCI
Amounts reclassified out of each component of accumulated other comprehensive income
Total before tax									(18)	(17)	(16)
Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member]
Amounts reclassified out of each component of accumulated other comprehensive income
Total before tax									(18)	(18)	(18)
Reclassification from AOCI, Current Period, Tax									(7)	(7)	(7)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax									(11)	(11)	(11)
Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member] | Amount Reclassified from AOCI
Amounts reclassified out of each component of accumulated other comprehensive income
Total before tax									(18)	(18)	(18)
Investment Securities
Amounts reclassified out of each component of accumulated other comprehensive income
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax									(849)	0	(1,124)
Investment Securities | Amount Reclassified from AOCI
Amounts reclassified out of each component of accumulated other comprehensive income
Investment securities gains (losses)									(1,410)	0	(1,866)
Tax benefit									561	0	742
Net of tax									(849)	0	(1,124)
Defined Benefit Plans
Amounts reclassified out of each component of accumulated other comprehensive income
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax									(938)	(3,306)	(1,036)
Defined Benefit Plans | Amount Reclassified from AOCI
Amounts reclassified out of each component of accumulated other comprehensive income
Total before tax									(1,467)	(5,481)	(1,722)
Reclassification from AOCI, Current Period, Tax									(529)	(2,175)	(686)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax									$ (938)	$ (3,306)	$ (1,036)

EARNINGS PER SHARE (Details)

EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
SHARE-BASED COMPENSATION
Net income	$ 4,288	$ 11,812	$ 12,025	$ 13,079	$ 12,208	$ 11,466	$ 12,137	$ 11,181	$ 41,204	$ 46,992	$ 45,868
Weighted average shares outstanding - basic (in shares)									30,401,000	31,009,000	32,238,000
Weighted average shares outstanding - diluted (in shares)									30,638,000	31,225,000	32,651,000
Basic earnings per share (in dollars per share)	$ 0.14	$ 0.39	$ 0.39	$ 0.43	$ 0.40	$ 0.37	$ 0.39	$ 0.36	$ 1.36	$ 1.52	$ 1.42
Diluted earnings per share (in dollars per share)	$ 0.14	$ 0.39	$ 0.39	$ 0.42	$ 0.39	$ 0.37	$ 0.39	$ 0.35	$ 1.34	$ 1.50	$ 1.40
Antidilutive securities excluded from the dilutive share calculation (in shares)									0	1,892	8,217
Stock Option
SHARE-BASED COMPENSATION
Dilutive effect of share-based compensation arrangements (in shares)									238,000	216,000	413,000

FINANCIAL INSTRUMENTS WITH O113

FINANCIAL INSTRUMENTS WITH OFF-BALANCE SHEET RISK (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Commitments to extend credit
FINANCIAL INSTRUMENTS WITH OFF-BALANCE SHEET RISK
Financial instruments whose contract amounts represent credit risk		$ 825,304
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability	$ 825,304
Standby letters of credit and financial guarantees written
FINANCIAL INSTRUMENTS WITH OFF-BALANCE SHEET RISK
Financial instruments whose contract amounts represent credit risk		16,073
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability	16,073
Interest rate options
FINANCIAL INSTRUMENTS WITH OFF-BALANCE SHEET RISK
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability	2,494	879
Forward interest rate contracts
FINANCIAL INSTRUMENTS WITH OFF-BALANCE SHEET RISK
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability	18,748	32,497
Interest rate lock commitments | Not Designated as Hedging Instrument [Member] | Interest rate options
FINANCIAL INSTRUMENTS WITH OFF-BALANCE SHEET RISK
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability		879
Forward Contracts [Member] | Not Designated as Hedging Instrument [Member] | Forward interest rate contracts
FINANCIAL INSTRUMENTS WITH OFF-BALANCE SHEET RISK
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability		$ 32,497
Reported Value Measurement [Member] | Commitments to extend credit
FINANCIAL INSTRUMENTS WITH OFF-BALANCE SHEET RISK
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability	917,405
Reported Value Measurement [Member] | Standby letters of credit and financial guarantees written
FINANCIAL INSTRUMENTS WITH OFF-BALANCE SHEET RISK
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability	$ 13,551

FAIR VALUE OF ASSETS AND LIA114

FAIR VALUE OF ASSETS AND LIABILITIES (Carrying Amount and Estimated Fair Value of Financial Instruments) (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Financial assets
Cash and due from financial institutions	$ 75,318,000	$ 75,272,000
Interest-bearing deposits in other financial institutions	6,975,000	9,069,000
Loans held for sale	16,336,000	31,881,000
Mortgage servicing rights	15,843,000	15,779,000
Federal Home Loan Bank stock	7,761,000	11,572,000
Accrued interest receivable	16,581,000	15,675,000
Financial liabilities
Noninterest-bearing demand	1,395,556,000	1,265,246,000
Time deposits	1,145,868,000	1,089,364,000
Transfers of financial assets from Level 1 to Level 2	0
Transfers of financial assets from Level 2 to Level 1	0
Transfers of financial liabilities from Level 1 to Level 2	0
Transfers of financial liabilities from Level 2 to Level 1	0
Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial assets
Cash and due from financial institutions	75,318,000	75,272,000
Interest-bearing deposits in other financial institutions	6,975,000	9,069,000
Investment securities	825,000	660,000
Loans Receivable Held-for-sale, Net, Not Part of Disposal Group	0	0
Loans and leases, net of allowance for loan and lease losses	0	0
Mortgage servicing rights	0	0
Federal Home Loan Bank stock	7,761,000	11,572,000
Accrued interest receivable	16,581,000	15,675,000
Financial liabilities
Noninterest-bearing demand	1,395,556,000	1,265,246,000
Interest-bearing demand and savings deposits	2,414,930,000	2,253,591,000
Time deposits	0	0
Federal Home Loan Bank advances and other short-term borrowings	0	0
Long-term debt	0	0
Accrued interest payable (included in other liabilities)	3,698,000	1,556,000
Significant Other Observable Inputs (Level 2)
Financial assets
Cash and due from financial institutions	0	0
Interest-bearing deposits in other financial institutions	0	0
Investment securities	1,481,473,000	1,445,357,000
Loans held for sale	16,336,000	31,881,000
Loans and leases, net of allowance for loan and lease losses	21,280,000	30,723,000
Mortgage servicing rights	0	0
Federal Home Loan Bank stock	0	0
Accrued interest receivable	0	0
Financial liabilities
Noninterest-bearing demand	0	0
Interest-bearing demand and savings deposits	0	0
Time deposits	0	0
Federal Home Loan Bank advances and other short-term borrowings	32,000,000	135,000,000
Long-term debt	70,139,000	68,186,000
Accrued interest payable (included in other liabilities)	0	0
Significant Unobservable Inputs (Level 3)
Financial assets
Cash and due from financial institutions	0	0
Interest-bearing deposits in other financial institutions	0	0
Investment securities	11,794,000	12,196,000
Loans Receivable Held-for-sale, Net, Not Part of Disposal Group	0	0
Loans and leases, net of allowance for loan and lease losses	3,663,554,000	3,396,253,000
Federal Home Loan Bank stock	0	0
Accrued interest receivable	0	0
Financial liabilities
Noninterest-bearing demand	0	0
Interest-bearing demand and savings deposits	0	0
Time deposits	1,140,064,000	1,088,436,000
Federal Home Loan Bank advances and other short-term borrowings	0	0
Long-term debt	0	0
Accrued interest payable (included in other liabilities)	0	0
Carrying Amount
Financial assets
Cash and due from financial institutions	75,318,000	75,272,000
Interest-bearing deposits in other financial institutions	6,975,000	9,069,000
Investment securities	1,496,644,000	1,461,515,000
Loans held for sale	16,336,000	31,881,000
Loans and leases, net of allowance for loan and lease losses	3,720,614,000	3,468,259,000
Mortgage servicing rights		15,779,000
Federal Home Loan Bank stock		11,572,000
Accrued interest receivable	16,581,000	15,675,000
Financial liabilities
Noninterest-bearing demand	1,395,556,000	1,265,246,000
Interest-bearing demand and savings deposits	2,414,930,000	2,253,591,000
Time deposits	1,145,868,000	1,089,364,000
Federal Home Loan Bank advances and other short-term borrowings	32,000,000	135,000,000
Long-term debt	92,785,000	92,785,000
Accrued interest payable (included in other liabilities)	3,698,000	1,556,000
Estimated Fair Value
Financial assets
Cash and due from financial institutions	75,318,000	75,272,000
Interest-bearing deposits in other financial institutions	6,975,000	9,069,000
Investment securities	1,494,092,000	1,458,213,000
Loans held for sale	16,336,000	31,881,000
Loans and leases, net of allowance for loan and lease losses	3,684,834,000	3,426,976,000
Mortgage servicing rights	17,161,000	18,087,000
Federal Home Loan Bank stock	7,761,000	11,572,000
Accrued interest receivable	16,581,000	15,675,000
Financial liabilities
Noninterest-bearing demand	1,395,556,000	1,265,246,000
Interest-bearing demand and savings deposits	2,414,930,000	2,253,591,000
Time deposits	1,140,064,000	1,088,436,000
Federal Home Loan Bank advances and other short-term borrowings	32,000,000	135,000,000
Long-term debt	70,139,000	68,186,000
Accrued interest payable (included in other liabilities)	3,698,000	1,556,000
Commitments to extend credit
Financial liabilities
Off-balance sheet financial instruments:	825,304,000
Commitments to extend credit | Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial liabilities
Off-balance sheet financial instruments:	0	0
Commitments to extend credit | Significant Other Observable Inputs (Level 2)
Financial liabilities
Off-balance sheet financial instruments:	1,140,000	1,046,000
Commitments to extend credit | Significant Unobservable Inputs (Level 3)
Financial liabilities
Off-balance sheet financial instruments:	0	0
Commitments to extend credit | Carrying Amount
Financial liabilities
Off-balance sheet financial instruments:	917,405,000
Commitments to extend credit | Estimated Fair Value
Financial liabilities
Off-balance sheet financial instruments:	1,140,000	1,046,000
Standby letters of credit and financial guarantees written
Financial liabilities
Off-balance sheet financial instruments:	16,073,000
Standby letters of credit and financial guarantees written | Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial liabilities
Off-balance sheet financial instruments:	0	0
Standby letters of credit and financial guarantees written | Significant Other Observable Inputs (Level 2)
Financial liabilities
Off-balance sheet financial instruments:	203,000	241,000
Standby letters of credit and financial guarantees written | Significant Unobservable Inputs (Level 3)
Financial liabilities
Off-balance sheet financial instruments:	0	0
Standby letters of credit and financial guarantees written | Carrying Amount
Financial liabilities
Off-balance sheet financial instruments:	13,551,000
Standby letters of credit and financial guarantees written | Estimated Fair Value
Financial liabilities
Off-balance sheet financial instruments:	203,000	241,000
Interest rate options
Financial liabilities
Off-balance sheet financial instruments:	2,494,000	879,000
Interest rate options | Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial liabilities
Off-balance sheet financial instruments:	0	0
Interest rate options | Significant Other Observable Inputs (Level 2)
Financial liabilities
Off-balance sheet financial instruments:	12,000	6,000
Interest rate options | Significant Unobservable Inputs (Level 3)
Financial liabilities
Off-balance sheet financial instruments:	0	0
Interest rate options | Estimated Fair Value
Financial liabilities
Off-balance sheet financial instruments:	12,000	6,000
Forward interest rate contracts
Financial liabilities
Off-balance sheet financial instruments:	18,748,000	32,497,000
Forward interest rate contracts | Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial liabilities
Off-balance sheet financial instruments:	0	0
Forward interest rate contracts | Significant Other Observable Inputs (Level 2)
Financial liabilities
Off-balance sheet financial instruments:	(26,000)	136,000
Forward interest rate contracts | Significant Unobservable Inputs (Level 3)
Financial liabilities
Off-balance sheet financial instruments:	0	0
Forward interest rate contracts | Estimated Fair Value
Financial liabilities
Off-balance sheet financial instruments:	(26,000)	136,000
Mortgage Servicing Rights
Financial assets
Finite-lived Intangible Assets, Fair Value Disclosure		18,087,000	$ 18,345,000
Mortgage Servicing Rights | Significant Unobservable Inputs (Level 3)
Financial assets
Finite-lived Intangible Assets, Fair Value Disclosure	17,161,000	$ 18,087,000
Mortgage Servicing Rights | Carrying Amount
Financial assets
Mortgage servicing rights	$ 15,843,000

FAIR VALUE OF ASSETS AND LIA115

FAIR VALUE OF ASSETS AND LIABILITIES (Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Assets and liabilities measured at fair value
Available-for-sale, at fair value	$ 1,304,891	$ 1,243,847
States and political subdivisions
Assets and liabilities measured at fair value
Available-for-sale, at fair value	179,781	185,041
Corporate securities
Assets and liabilities measured at fair value
Available-for-sale, at fair value	74,278	99,389
U.S. Treasury obligations and direct obligations of U.S Government agencies
Assets and liabilities measured at fair value
Available-for-sale, at fair value	25,510
Commercial-U.S. Government agencies and sponsored entities
Assets and liabilities measured at fair value
Available-for-sale, at fair value	39,725
Commercial-U.S. Government sponsored entities
Assets and liabilities measured at fair value
Available-for-sale, at fair value	137,326	137,224
Other
Assets and liabilities measured at fair value
Available-for-sale, at fair value	825	660
Recurring basis
Assets and liabilities measured at fair value
Total	1,304,877	1,243,989
Recurring basis | Derivatives - Interest rate contracts
Assets and liabilities measured at fair value
Derivatives	(14)	142
Recurring basis | States and political subdivisions
Assets and liabilities measured at fair value
Available-for-sale, at fair value	179,781	185,041
Recurring basis | Corporate securities
Assets and liabilities measured at fair value
Available-for-sale, at fair value	74,278	99,389
Recurring basis | U.S. Treasury obligations and direct obligations of U.S Government agencies
Assets and liabilities measured at fair value
Available-for-sale, at fair value	25,510	0
Recurring basis | Mortgage Backed Securities Residential U S Government Sponsored Entities [Member]
Assets and liabilities measured at fair value
Available-for-sale, at fair value	800,683
Recurring basis | Non-agency collateralized mortgage-backed securities
Assets and liabilities measured at fair value
Available-for-sale, at fair value	46,763	188,771
Recurring basis | Commercial-U.S. Government agencies and sponsored entities
Assets and liabilities measured at fair value
Available-for-sale, at fair value	39,725	769,986
Recurring basis | Commercial-U.S. Government sponsored entities
Assets and liabilities measured at fair value
Available-for-sale, at fair value	137,326
Recurring basis | Other
Assets and liabilities measured at fair value
Available-for-sale, at fair value	825	660
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring basis
Assets and liabilities measured at fair value
Total	825	660
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring basis | Derivatives - Interest rate contracts
Assets and liabilities measured at fair value
Derivatives	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring basis | States and political subdivisions
Assets and liabilities measured at fair value
Available-for-sale, at fair value	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring basis | Corporate securities
Assets and liabilities measured at fair value
Available-for-sale, at fair value	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring basis | U.S. Treasury obligations and direct obligations of U.S Government agencies
Assets and liabilities measured at fair value
Available-for-sale, at fair value	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring basis | Other
Assets and liabilities measured at fair value
Available-for-sale, at fair value	825	660
Significant Other Observable Inputs (Level 2) | Recurring basis
Assets and liabilities measured at fair value
Total	1,292,258	1,231,133
Significant Other Observable Inputs (Level 2) | Recurring basis | Derivatives - Interest rate contracts
Assets and liabilities measured at fair value
Derivatives	(14)	142
Significant Other Observable Inputs (Level 2) | Recurring basis | States and political subdivisions
Assets and liabilities measured at fair value
Available-for-sale, at fair value	167,987	172,845
Significant Other Observable Inputs (Level 2) | Recurring basis | Corporate securities
Assets and liabilities measured at fair value
Available-for-sale, at fair value	74,278	99,389
Significant Other Observable Inputs (Level 2) | Recurring basis | U.S. Treasury obligations and direct obligations of U.S Government agencies
Assets and liabilities measured at fair value
Available-for-sale, at fair value	25,510	0
Significant Other Observable Inputs (Level 2) | Recurring basis | Mortgage Backed Securities Residential U S Government Sponsored Entities [Member]
Assets and liabilities measured at fair value
Available-for-sale, at fair value	800,683
Significant Other Observable Inputs (Level 2) | Recurring basis | Non-agency collateralized mortgage-backed securities
Assets and liabilities measured at fair value
Available-for-sale, at fair value	46,763	188,771
Significant Other Observable Inputs (Level 2) | Recurring basis | Commercial-U.S. Government agencies and sponsored entities
Assets and liabilities measured at fair value
Available-for-sale, at fair value	39,725	769,986
Significant Other Observable Inputs (Level 2) | Recurring basis | Commercial-U.S. Government sponsored entities
Assets and liabilities measured at fair value
Available-for-sale, at fair value	137,326
Significant Unobservable Inputs (Level 3) | Recurring basis
Assets and liabilities measured at fair value
Total	11,794	12,196
Significant Unobservable Inputs (Level 3) | Recurring basis | Derivatives - Interest rate contracts
Assets and liabilities measured at fair value
Derivatives	0	0
Significant Unobservable Inputs (Level 3) | Recurring basis | States and political subdivisions
Assets and liabilities measured at fair value
Available-for-sale, at fair value	11,794	12,196
Significant Unobservable Inputs (Level 3) | Recurring basis | Corporate securities
Assets and liabilities measured at fair value
Available-for-sale, at fair value	0	0
Significant Unobservable Inputs (Level 3) | Recurring basis | U.S. Treasury obligations and direct obligations of U.S Government agencies
Assets and liabilities measured at fair value
Available-for-sale, at fair value	$ 0	$ 0

FAIR VALUE OF ASSETS AND LIA116

FAIR VALUE OF ASSETS AND LIABILITIES (Level 3 Assets and Liabilities) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2017USD ($)bond	Dec. 31, 2016USD ($)
States and political subdivisions
Changes in Level 3 assets and liabilities measured at fair value on a recurring basis
Principal payments received	$ (358)	$ (338)
Purchases		0
Unrealized net loss included in other comprehensive gain	(44)	55
Mortgage revenue bonds
Changes in Level 3 assets and liabilities measured at fair value on a recurring basis
Aggregate fair value / Balance at the beginning of the period	12,196	12,479
Aggregate fair value / Balance at the end of the period	$ 11,794	$ 12,196
Additional disclosures
Number of investment securities held | bond	4
Mortgage revenue bonds | Weighted average
Additional disclosures
Discount rate	4.81%

FAIR VALUE OF ASSETS AND LIA117

FAIR VALUE OF ASSETS AND LIABILITIES (Assets Measured on a Nonrecurring Basis) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Assets measured at fair value on a nonrecurring basis
Other real estate owned	$ 851	$ 791
Total Losses
Mortgage servicing rights	15,843	15,779
Nonrecurring basis
Total Losses
Impaired loans	0	0
Other real estate	0	0
Total Losses	0	0
Mortgage servicing rights	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1)
Total Losses
Mortgage servicing rights	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Nonrecurring basis
Assets measured at fair value on a nonrecurring basis
Impaired loans	0	0
Other real estate owned	0	0
Total Losses
Mortgage servicing rights	0	0
Significant Other Observable Inputs (Level 2)
Total Losses
Mortgage servicing rights	0	0
Significant Other Observable Inputs (Level 2) | Nonrecurring basis
Assets measured at fair value on a nonrecurring basis
Impaired loans	21,280	30,723
Other real estate owned	851	791
Total Losses
Mortgage servicing rights	0	0
Significant Unobservable Inputs (Level 3) | Nonrecurring basis
Assets measured at fair value on a nonrecurring basis
Impaired loans	0	0
Other real estate owned	0	0
Total Losses
Mortgage servicing rights	17,161	18,087
Estimated Fair Value
Total Losses
Mortgage servicing rights	17,161	18,087
Estimated Fair Value | Nonrecurring basis
Assets measured at fair value on a nonrecurring basis
Impaired loans	$ 21,280	$ 30,723

SEGMENT INFORMATION (Details)

SEGMENT INFORMATION (Details) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2017USD ($)	Sep. 30, 2017USD ($)	Jun. 30, 2017USD ($)	Mar. 31, 2017USD ($)	Dec. 31, 2016USD ($)	Sep. 30, 2016USD ($)	Jun. 30, 2016USD ($)	Mar. 31, 2016USD ($)	Dec. 31, 2017USD ($)segment	Dec. 31, 2016USD ($)	Dec. 31, 2015USD ($)
Segment Reporting [Abstract]
Number of reportable segments | segment									3
SEGMENT INFORMATION
Net interest income (expense)	$ 42,824	$ 41,995	$ 41,629	$ 41,255	$ 39,704	$ 39,426	$ 39,609	$ 39,211	$ 167,703	$ 157,950	$ 149,528
Credit (provision) for loan and lease losses	186	126	2,282	80	2,645	743	1,382	747	2,674	5,517	15,671
Other operating income									36,496	42,316	34,799
Other operating expense									(131,817)	(133,563)	(127,042)
Administrative and overhead expense allocation									0	0	0
Income taxes									(33,852)	(25,228)	(27,088)
Net income	4,288	$ 11,812	$ 12,025	$ 13,079	12,208	$ 11,466	$ 12,137	$ 11,181	41,204	46,992	45,868
Investment securities	1,496,644				1,461,515				1,496,644	1,461,515
Loans and leases (including loans held for sale)	3,786,951				3,556,771				3,786,951	3,556,771
Other	340,113				365,950				340,113	365,950
Total assets	5,623,708				5,384,236				5,623,708	5,384,236
Banking Operations
SEGMENT INFORMATION
Net interest income (expense)									140,077	128,673	115,936
Credit (provision) for loan and lease losses									2,674	5,517	15,671
Other operating income									22,511	25,994	23,447
Other operating expense									(60,939)	(58,856)	(59,273)
Administrative and overhead expense allocation									(61,082)	(64,139)	(59,266)
Income taxes									(34,376)	(25,796)	(28,070)
Net income									41,842	48,048	52,131
Investment securities	0				0				0	0
Loans and leases (including loans held for sale)	3,786,951				3,556,771				3,786,951	3,556,771
Other	42,243				56,482				42,243	56,482
Total assets	3,829,194				3,613,253				3,829,194	3,613,253
Treasury
SEGMENT INFORMATION
Net interest income (expense)									27,626	29,277	33,592
Credit (provision) for loan and lease losses									0	0	0
Other operating income									2,448	3,148	967
Other operating expense									(1,433)	(1,616)	(1,859)
Administrative and overhead expense allocation									(972)	(918)	(1,042)
Income taxes									(1,204)	(1,143)	(29)
Net income									1,465	2,130	53
Investment securities	1,496,644				1,461,515				1,496,644	1,461,515
Loans and leases (including loans held for sale)	0				0				0	0
Other	228,608				241,387				228,608	241,387
Total assets	1,725,252				1,702,902				1,725,252	1,702,902
All Others
SEGMENT INFORMATION
Net interest income (expense)									0	0	0
Credit (provision) for loan and lease losses									0	0	0
Other operating income									11,537	13,174	10,385
Other operating expense									(69,445)	(73,091)	(65,910)
Administrative and overhead expense allocation									62,054	65,057	60,308
Income taxes									1,728	1,711	1,011
Net income									(2,103)	(3,186)	(6,316)
Investment securities	0				0				0	0
Loans and leases (including loans held for sale)	0				0				0	0
Other	69,262				68,081				69,262	68,081
Total assets	$ 69,262				$ 68,081				69,262	68,081
Intersegment elimination
SEGMENT INFORMATION
Net interest income (expense)									0	0	0
Intersegment elimination | Banking Operations
SEGMENT INFORMATION
Net interest income (expense)									32,977	36,655	43,686
Intersegment elimination | Treasury
SEGMENT INFORMATION
Net interest income (expense)									(25,000)	(26,618)	(31,576)
Intersegment elimination | All Others
SEGMENT INFORMATION
Net interest income (expense)									$ (7,977)	$ (10,037)	$ (12,110)

PARENT COMPANY AND REGULATOR119

PARENT COMPANY AND REGULATORY RESTRICTIONS (Required Capital and Capital Ratios) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Leverage capital
Actual Amount	$ 578,607	$ 562,460
Actual Ratio	10.40%	10.60%
Minimum amount required to be adequately capitalized	$ 223,646	$ 211,383
Minimum ratio required to be adequately capitalized	4.00%	4.00%
Minimum amount required to be well-capitalized	$ 279,557	$ 264,229
Minimum ratio required to be well-capitalized	5.00%	5.00%
Tier 1 risk-based capital
Actual Amount	$ 578,607	$ 562,460
Actual Ratio	14.70%	14.20%
Minimum amount required to be adequately capitalized	$ 236,721	$ 237,157
Minimum ratio required to be adequately capitalized	6.00%	6.00%
Minimum amount required to be well-capitalized	$ 315,628	$ 316,209
Minimum ratio required to be well-capitalized	8.00%	8.00%
Total risk-based capital
Actual Amount	$ 628,068	$ 612,202
Actual Ratio	15.90%	15.50%
Minimum amount required to be adequately capitalized	$ 315,628	$ 316,209
Minimum ratio required to be adequately capitalized	8.00%	8.00%
Minimum amount required to be well-capitalized	$ 394,535	$ 395,261
Minimum ratio required to be well-capitalized	10.00%	10.00%
CET1 risk-based capital
Actual Amount	$ 490,861	$ 485,268
Actual Ratio	12.40%	12.30%
Minimum amount required for capital adequacy purposes	$ 177,541	$ 177,868
Minimum ratio required for capital adequacy purposes	4.50%	4.50%
Minimum amount equired to be well-capitalized	$ 256,448	$ 256,920
Minimum ratio required to be well-capitalized	6.50%	6.50%
Central Bank
PARENT COMPANY AND REGULATORY RESTRICTIONS
Equity in undistributed losses	$ (396,000)
Retained earnings	85,600
Leverage capital
Actual Amount	$ 565,412	$ 541,577
Actual Ratio	10.10%	10.30%
Minimum amount required to be adequately capitalized	$ 223,431	$ 211,135
Minimum ratio required to be adequately capitalized	4.00%	4.00%
Minimum amount required to be well-capitalized	$ 279,289	$ 263,918
Minimum ratio required to be well-capitalized	5.00%	5.00%
Tier 1 risk-based capital
Actual Amount	$ 565,412	$ 541,577
Actual Ratio	14.40%	13.70%
Minimum amount required to be adequately capitalized	$ 236,401	$ 236,806
Minimum ratio required to be adequately capitalized	6.00%	6.00%
Minimum amount required to be well-capitalized	$ 315,201	$ 315,741
Minimum ratio required to be well-capitalized	8.00%	8.00%
Total risk-based capital
Actual Amount	$ 614,732	$ 591,185
Actual Ratio	15.60%	15.00%
Minimum amount required to be adequately capitalized	$ 315,201	$ 315,741
Minimum ratio required to be adequately capitalized	8.00%	8.00%
Minimum amount required to be well-capitalized	$ 394,002	$ 394,677
Minimum ratio required to be well-capitalized	10.00%	10.00%
CET1 risk-based capital
Actual Amount	$ 565,412	$ 541,577
Actual Ratio	14.40%	13.70%
Minimum amount required for capital adequacy purposes	$ 177,301	$ 177,604
Minimum ratio required for capital adequacy purposes	4.50%	4.50%
Minimum amount equired to be well-capitalized	$ 256,101	$ 256,540
Minimum ratio required to be well-capitalized	6.50%	6.50%

PARENT COMPANY AND REGULATOR120

PARENT COMPANY AND REGULATORY RESTRICTIONS (Condensed Balance Sheets) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Assets
Cash and cash equivalents	$ 82,293	$ 84,341	$ 80,194	$ 86,007
Investment securities available for sale	1,304,891	1,243,847
Total assets	5,623,708	5,384,236
Liabilities and Shareholders' Equity
Long-term debt	92,785	92,785
Other liabilities	42,534	43,575
Total liabilities	5,123,673	4,879,561
Shareholders' equity:
Preferred stock, no par value, authorized 1,000,000 shares; issued and outstanding none at December 31, 2017 and 2016	0	0
Common stock, no par value, authorized 185,000,000 shares; issued and outstanding 30,024,222 and 30,796,243 shares at December 31, 2017 and 2016, respectively	503,988	530,932
Surplus	86,098	84,180
Accumulated deficit	(89,036)	(108,941)
Accumulated other comprehensive income (loss)	(1,039)	(1,521)	203	3,159
Total shareholders' equity	500,011	504,650
Non-controlling interest	24	25
Total equity	500,035	504,675	494,639	568,041
Total liabilities and equity	5,623,708	5,384,236
Parent
Assets
Cash and cash equivalents	13,931	19,500	$ 12,559	$ 22,775
Investment securities available for sale	825	660
Investment in subsidiary bank, at equity in underlying net assets	572,101	569,898
Accrued interest receivable and other assets	9,577	10,682
Total assets	596,434	600,740
Liabilities and Shareholders' Equity
Long-term debt	92,785	92,785
Other liabilities	3,614	3,280
Total liabilities	96,399	96,065
Shareholders' equity:
Preferred stock, no par value, authorized 1,000,000 shares; issued and outstanding none at December 31, 2017 and 2016	0	0
Common stock, no par value, authorized 185,000,000 shares; issued and outstanding 30,024,222 and 30,796,243 shares at December 31, 2017 and 2016, respectively	503,988	530,932
Surplus	86,098	84,180
Accumulated deficit	(89,036)	(108,941)
Accumulated other comprehensive income (loss)	(1,039)	(1,521)
Total shareholders' equity	500,011	504,650
Non-controlling interest	24	25
Total equity	500,035	504,675
Total liabilities and equity	$ 596,434	$ 600,740

PARENT COMPANY AND REGULATOR121

PARENT COMPANY AND REGULATORY RESTRICTIONS (Condensed Balance Sheets) (Parenthetical) (Details) - $ / shares	Dec. 31, 2017	Dec. 31, 2016
Condensed Financial Statement
Preferred stock, par value (in dollars per share)	$ 0	$ 0
Preferred stock, authorized shares	1,000,000	1,000,000
Preferred stock, issued shares	0	0
Preferred stock, outstanding shares	0	0
Common stock, par value (in dollars per share)	$ 0	$ 0
Common stock, authorized shares	185,000,000	185,000,000
Common stock, issued shares	30,024,222	30,796,243
Common stock, outstanding shares	30,024,222	30,796,243
Parent
Condensed Financial Statement
Preferred stock, par value (in dollars per share)	$ 0	$ 0
Preferred stock, authorized shares	1,000,000	1,100,000
Preferred stock, issued shares	0	0
Preferred stock, outstanding shares	0	0
Common stock, par value (in dollars per share)	$ 0	$ 0
Common stock, authorized shares	185,000,000	185,000,000
Common stock, issued shares	30,024,222	30,796,243
Common stock, outstanding shares	30,024,222	30,796,243

PARENT COMPANY AND REGULATOR122

PARENT COMPANY AND REGULATORY RESTRICTIONS (Condensed Statements of Income) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Expense:
Interest on long-term debt									$ 3,479	$ 3,005	$ 2,626
Income tax expense									33,852	25,228	27,088
Net income	$ 4,288	$ 11,812	$ 12,025	$ 13,079	$ 12,208	$ 11,466	$ 12,137	$ 11,181	41,204	46,992	45,868
Parent
Income:
Dividends from subsidiary bank									43,000	29,965	111,765
Interest income:
Interest from subsidiary bank									6	6	9
Other income									150	100	91
Total income									43,156	30,071	111,865
Expense:
Interest on long-term debt									3,479	3,005	2,626
Other expenses									2,002	2,739	2,551
Total expenses									5,481	5,744	5,177
Gain (loss) before income taxes and equity in undistributed income of subsidiaries									37,675	24,327	106,688
Income tax expense									(1,781)	(2,467)	670
Income before equity in undistributed income of subsidiaries									39,456	26,794	106,018
Equity in undistributed income (loss) of subsidiary bank									1,748	20,198	(60,150)
Net income									$ 41,204	$ 46,992	$ 45,868

PARENT COMPANY AND REGULATOR123

PARENT COMPANY AND REGULATORY RESTRICTIONS (Condensed Statements of Cash Flows) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Cash flows from operating activities
Net income	$ 4,288	$ 11,812	$ 12,025	$ 13,079	$ 12,208	$ 11,466	$ 12,137	$ 11,181	$ 41,204	$ 46,992	$ 45,868
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Deferred income tax benefit									32,206	24,427	26,079
Share-based compensation expense									1,918	1,333	3,131
Net cash provided by operating activities									96,784	76,485	74,505
Cash flows from financing activities
Net proceeds from issuance of common stock and stock option exercises									0	941	360
Repurchases of common stock									(26,559)	(18,206)	(93,533)
Dividends paid									(21,299)	(18,619)	(26,143)
Net cash provided by financing activities									197,295	204,878	234,823
Net increase (decrease) in cash and cash equivalents									(2,048)	4,147	(5,813)
At beginning of year				84,341				80,194	84,341	80,194	86,007
At end of year	82,293				84,341				82,293	84,341	80,194
Parent
Cash flows from operating activities
Net income									41,204	46,992	45,868
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Deferred income tax benefit									(442)	15,683	670
Equity in undistributed income (loss) of subsidiary bank									(1,748)	(20,198)	60,150
Share-based compensation expense									1,918	1,045	1,429
Other, net									1,357	(697)	983
Net cash provided by operating activities									42,289	42,825	109,100
Cash flows from financing activities
Net proceeds from issuance of common stock and stock option exercises									0	941	360
Repurchases of common stock									(26,559)	(18,206)	(93,533)
Dividends paid									(21,299)	(18,619)	(26,143)
Net cash provided by financing activities									(47,858)	(35,884)	(119,316)
Net increase (decrease) in cash and cash equivalents									(5,569)	6,941	(10,216)
At beginning of year				$ 19,500				$ 12,559	19,500	12,559	22,775
At end of year	$ 13,931				$ 19,500				$ 13,931	$ 19,500	$ 12,559

UNAUDITED QUARTERLY FINANCIA124

UNAUDITED QUARTERLY FINANCIAL INFORMATION (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Quarterly Financial Information Disclosure [Abstract]
Total interest income	$ 47,276	$ 45,993	$ 45,080	$ 44,213	$ 42,255	$ 41,765	$ 41,870	$ 41,249	$ 182,562	$ 167,139	$ 156,035
Total interest expense	4,452	3,998	3,451	2,958	2,551	2,339	2,261	2,038	14,859	9,189	6,507
Net interest income	42,824	41,995	41,629	41,255	39,704	39,426	39,609	39,211	167,703	157,950	149,528
Provision (credit) for loan and lease losses	(186)	(126)	(2,282)	(80)	(2,645)	(743)	(1,382)	(747)	(2,674)	(5,517)	(15,671)
Net interest income after provision for loan and lease losses	43,010	42,121	43,911	41,335	42,349	40,169	40,991	39,958	170,377	163,467	165,199
Net losses on sales of investment securities					0	0	0	0	(1,410)	0	(1,866)
Income before income taxes	17,542	18,179	19,446	19,889	18,646	17,858	18,468	17,248	75,056	72,220	72,956
Net income	$ 4,288	$ 11,812	$ 12,025	$ 13,079	$ 12,208	$ 11,466	$ 12,137	$ 11,181	$ 41,204	$ 46,992	$ 45,868
Basic earnings per share (in dollars per share)	$ 0.14	$ 0.39	$ 0.39	$ 0.43	$ 0.40	$ 0.37	$ 0.39	$ 0.36	$ 1.36	$ 1.52	$ 1.42
Diluted earnings per share (in dollars per share)	$ 0.14	$ 0.39	$ 0.39	$ 0.42	$ 0.39	$ 0.37	$ 0.39	$ 0.35	$ 1.34	$ 1.50	$ 1.40

MORTGAGE BANKING INCOME (Detail

MORTGAGE BANKING INCOME (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Other Income and Expenses [Abstract]
Loan servicing fees	$ 5,337	$ 5,421	$ 5,656
Amortization of mortgage servicing rights	(2,288)	(5,066)	(4,185)
Net gain on sales of residential loans	4,069	7,631	6,107
Unrealized gain (loss) on interest rate locks	(156)	83	(324)
Total mortgage banking income	$ 6,962	$ 8,069	$ 7,254