Bank of Hawaii (BOH) 10-Q 25 Apr 16 2016 Q1 Quarterly report Financial data

Document and Entity Information

Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2016	Apr. 19, 2016
Document and Entity Information [Abstract]
Entity Registrant Name	BANK OF HAWAII CORP
Entity Central Index Key	46,195
Document Type	10-Q
Document Period End Date	Mar. 31, 2016
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		43,039,733
Document Fiscal Year Focus	2,016
Document Fiscal Period Focus	Q1

Consolidated Statements of Inco

Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Interest Income
Interest and Fees on Loans and Leases	$ 80,895	$ 70,961
Income on Investment Securities
Available-for-Sale	10,814	10,198
Held-to-Maturity	20,391	24,407
Deposits	4	3
Funds Sold	753	259
Other	212	302
Total Interest Income	113,069	106,130
Interest Expense
Deposits	2,886	2,368
Securities Sold Under Agreements to Repurchase	6,153	6,371
Funds Purchased	3	3
Other Debt	1,003	618
Total Interest Expense	10,045	9,360
Net Interest Income	103,024	96,770
Provision for Credit Losses	(2,000)	0
Net Interest Income After Provision for Credit Losses	105,024	96,770
Noninterest Income
Trust and Asset Management	11,256	12,180
Mortgage Banking	3,189	1,693
Service Charges on Deposit Accounts	8,443	8,537
Fees, Exchange, and Other Service Charges	13,444	12,897
Investment Securities Gains, Net	11,180	10,231
Annuity and Insurance	1,901	2,044
Bank-Owned Life Insurance	1,548	1,734
Other	5,246	2,991
Total Noninterest Income	56,207	52,307
Noninterest Expense
Salaries and Benefits	50,514	49,780
Net Occupancy	7,003	9,333
Net Equipment	5,409	5,288
Data Processing	3,951	3,773
Professional Fees	2,639	2,334
FDIC Insurance	2,352	2,140
Other	15,518	14,267
Total Noninterest Expense	87,386	86,915
Income Before Provision for Income Taxes	73,845	62,162
Provision for Income Taxes	23,635	19,720
Net Income	$ 50,210	$ 42,442
Basic Earnings Per Share (in dollars per share)	$ 1.17	$ 0.98
Diluted Earnings Per Share (in dollars per share)	1.16	0.97
Dividends Declared Per Share (in dollars per share)	$ 0.45	$ 0.45
Basic Weighted Average Shares (in shares)	42,920,794	43,386,402
Diluted Weighted Average Shares (in shares)	43,126,526	43,597,504

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Statement of Comprehensive Income [Abstract]
Net Income	$ 50,210	$ 42,442
Other Comprehensive Income, Net of Tax:
Net Unrealized Gains on Investment Securities	8,694	5,294
Defined Benefit Plans	141	220
Total Other Comprehensive Income	8,835	5,514
Comprehensive Income	$ 59,045	$ 47,956

Consolidated Statements of Cond

Consolidated Statements of Condition (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Assets
Interest-Bearing Deposits in Other Banks	$ 4,453	$ 4,130
Funds Sold	626,206	592,892
Investment Securities
Available-for-Sale	2,293,751	2,256,818
Held-to-Maturity (Fair Value of $3,981,830 and $4,006,412)	3,911,703	3,982,736
Loans Held for Sale	16,854	4,808
Loans and Leases	8,065,610	7,878,985
Allowance for Loan and Lease Losses	(104,677)	(102,880)
Net Loans and Leases	7,960,933	7,776,105
Total Earning Assets	14,813,900	14,617,489
Cash and Due From Banks	164,012	158,699
Premises and Equipment, Net	111,086	111,199
Accrued Interest Receivable	47,504	44,719
Foreclosed Real Estate	1,728	824
Mortgage Servicing Rights	22,663	23,002
Goodwill	31,517	31,517
Bank-Owned Life Insurance	269,723	268,175
Other Assets	192,562	199,392
Total Assets	15,654,695	15,455,016
Deposits
Noninterest-Bearing Demand	4,329,321	4,286,331
Interest-Bearing Demand	2,759,357	2,761,930
Savings	5,172,206	5,025,191
Time	1,228,008	1,177,651
Total Deposits	13,488,892	13,251,103
Funds Purchased	7,333	7,333
Short-term Borrowings	408	0
Securities Sold Under Agreements to Repurchase	586,785	628,857
Other Debt	220,771	245,786
Retirement Benefits Payable	47,408	47,374
Accrued Interest Payable	5,661	5,032
Taxes Payable and Deferred Taxes	43,134	17,737
Other Liabilities	115,550	135,534
Total Liabilities	14,515,942	14,338,756
Shareholders’ Equity
Common Stock ($.01 par value; authorized 500,000,000 shares; issued / outstanding: March 31, 2016 - 57,849,536 / 43,080,503 and December 31, 2015 - 57,749,071 / 43,282,153)	576	575
Capital Surplus	544,267	542,041
Accumulated Other Comprehensive Loss	(14,722)	(23,557)
Retained Earnings	1,347,374	1,316,260
Treasury Stock, at Cost (Shares: March 31, 2016 - 14,769,033 and December 31, 2015 - 14,466,918)	(738,742)	(719,059)
Total Shareholders’ Equity	1,138,753	1,116,260
Total Liabilities and Shareholders’ Equity	$ 15,654,695	$ 15,455,016

Consolidated Statements of Con5

Consolidated Statements of Condition (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Statement of Financial Position [Abstract]
Fair Value	$ 3,981,830	$ 4,006,412
Common Stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common Stock, authorized shares	500,000,000	500,000,000
Common Stock, issued shares	57,849,536	57,749,071
Common Stock, outstanding shares	43,080,503	43,282,153
Treasury Stock, Shares	14,769,033	14,466,918

Consolidated Statements of Shar

Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Capital Surplus	Accumulated Other Comprehensive Income (Loss)	Retained Earnings	Treasury Stock
Balance at Beginning of Period at Dec. 31, 2014	$ 1,055,086	$ 574	$ 531,932	$ (26,686)	$ 1,234,801	$ (685,535)
Beginning Balance (in shares) at Dec. 31, 2014		43,724,208
Increase (decrease) in shareholders' equity
Net Income	42,442				42,442
Other Comprehensive Income (Loss)	5,514			5,514
Share-Based Compensation	1,776		1,776
Common Stock Issued under Purchase and Equity Compensation Plans and Related Tax Benefits	3,261	$ 1	433		(218)	3,045
Common Stock Issued under Purchase and Equity Compensation Plans and Related Tax Benefits (in shares)		155,646
Common Stock Repurchased	(13,144)					(13,144)
Common Stock Repurchased (in shares)		(227,226)
Cash Dividends Declared ($0.45 per share)	(19,684)				(19,684)
Balance at End of Period at Mar. 31, 2015	1,075,251	$ 575	534,141	(21,172)	1,257,341	(695,634)
Ending Balance (in shares) at Mar. 31, 2015		43,652,628
Balance at Beginning of Period at Dec. 31, 2015	$ 1,116,260	$ 575	542,041	(23,557)	1,316,260	(719,059)
Beginning Balance (in shares) at Dec. 31, 2015	43,282,153	43,282,153
Increase (decrease) in shareholders' equity
Net Income	$ 50,210				50,210
Other Comprehensive Income (Loss)	8,835			8,835
Share-Based Compensation	1,599		1,599
Common Stock Issued under Purchase and Equity Compensation Plans and Related Tax Benefits	2,771	$ 1	627		368	1,775
Common Stock Issued under Purchase and Equity Compensation Plans and Related Tax Benefits (in shares)		141,083
Common Stock Repurchased	(21,458)					(21,458)
Common Stock Repurchased (in shares)		(342,733)
Cash Dividends Declared ($0.45 per share)	(19,464)				(19,464)
Balance at End of Period at Mar. 31, 2016	$ 1,138,753	$ 576	$ 544,267	$ (14,722)	$ 1,347,374	$ (738,742)
Ending Balance (in shares) at Mar. 31, 2016	43,080,503	43,080,503

Consolidated Statements of Sha7

Consolidated Statements of Shareholders' Equity (Unaudited) (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Statement of Stockholders' Equity [Abstract]
Dividends Declared Per Share (in dollars per share)	$ 0.45	$ 0.45

Consolidated Statements of Cash

Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Operating Activities
Net Income	$ 50,210	$ 42,442
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Provision for Credit Losses	(2,000)	0
Depreciation and Amortization	3,305	3,192
Amortization of Deferred Loan and Lease Fees	(365)	(364)
Amortization and Accretion of Premiums/Discounts on Investment Securities, Net	11,208	12,740
Share-Based Compensation	1,599	1,776
Benefit Plan Contributions	(325)	(667)
Deferred Income Taxes	(1,129)	1,287
Net Gains on Sales of Loans and Leases	(3,253)	(748)
Net Gains on Sales of Investment Securities	(11,180)	(10,231)
Proceeds from Sales of Loans Held for Sale	51,600	10,509
Originations of Loans Held for Sale	(61,869)	(6,946)
Tax Benefits from Share-Based Compensation	(311)	(254)
Net Change in Other Assets and Other Liabilities	4,957	(13,649)
Net Cash Provided by Operating Activities	42,447	39,087
Investment Securities Available-for-Sale:
Proceeds from Prepayments and Maturities	92,459	92,318
Proceeds from Sales	11,180	10,298
Purchases	(120,793)	(72,223)
Investment Securities Held-to-Maturity:
Proceeds from Prepayments and Maturities	167,913	184,163
Purchases	(102,322)	(29,928)
Net Change in Loans and Leases	(181,627)	(281,910)
Premises and Equipment, Net	(3,192)	(2,561)
Net Cash Used in Investing Activities	(136,382)	(99,843)
Financing Activities
Net Change in Deposits	237,789	346,527
Net Change in Short-Term Borrowings	(41,664)	(16,272)
Proceeds from Issuance of Long-term Debt	25,000	0
Repayments of Long-term Debt	(50,000)	0
Tax Benefits from Share-Based Compensation	311	254
Proceeds from Issuance of Common Stock	2,371	3,006
Repurchase of Common Stock	(21,458)	(13,144)
Cash Dividends Paid	(19,464)	(19,684)
Net Cash Provided by Financing Activities	132,885	300,687
Net Change in Cash and Cash Equivalents	38,950	239,931
Cash and Cash Equivalents at End of Period	794,671	775,507
Cash and Cash Equivalents at Beginning of Period	755,721	535,576
Supplemental Information
Cash Paid for Interest	9,416	8,672
Cash Paid for Income Taxes	999	1,776
Non-Cash Investing Activities:
Transfer from Loans to Foreclosed Real Estate	1,040	83
Transfer of Portfolio Loans and Leases to Held-for-sale	$ 20,113	$ 0

Summary of Significant Accounti

Summary of Significant Accounting Policies	3 Months Ended
	Mar. 31, 2016
Accounting Policies [Abstract]
Summary of Significant Accounting Policies	Summary of Significant Accounting Policies Basis of Presentation Bank of Hawaii Corporation (the “Parent”) is a Delaware corporation and a bank holding company headquartered in Honolulu, Hawaii. Bank of Hawaii Corporation and its subsidiaries (collectively, the “Company”) provide a broad range of financial products and services to customers in Hawaii, Guam, and other Pacific Islands. The Parent’s principal operating subsidiary is Bank of Hawaii (the “Bank”). All significant intercompany accounts and transactions have been eliminated in consolidation. The accompanying unaudited consolidated financial statements of the Company have been prepared in accordance with U.S. generally accepted accounting principles (“GAAP”) for interim financial information and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X. Accordingly, they do not include all of the information and accompanying notes required by GAAP for complete financial statements. In the opinion of management, the consolidated financial statements reflect normal recurring adjustments necessary for a fair presentation of the results for the interim periods. Certain prior period information has been reclassified to conform to the current period presentation. These statements should be read in conjunction with the audited consolidated financial statements and related notes included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2015 . Operating results for the interim periods disclosed herein are not necessarily indicative of the results that may be expected for the year ending December 31, 2016 . Use of Estimates in the Preparation of Financial Statements The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts in the financial statements and accompanying notes. Actual results may differ from those estimates and such differences could be material to the financial statements. Variable Interest Entities Variable interests are defined as contractual ownership or other interests in an entity that change with fluctuations in an entity's net asset value. The primary beneficiary consolidates the variable interest entity ("VIE"). The primary beneficiary is defined as the enterprise that has both the power to direct the activities of the VIE that most significantly impact the entity's economic performance and the obligation to absorb losses or the right to receive benefits that could be significant to the VIE. The Company has limited partnership interests in several low-income housing partnerships. These partnerships provide funds for the construction and operation of apartment complexes that provide affordable housing to that segment of the population with lower family income. If these developments successfully attract a specified percentage of residents falling in that lower income range, state and/or federal income tax credits are made available to the partners. The tax credits are generally recognized over 10 years. In order to continue receiving the tax credits each year over the life of the partnership, the low-income residency targets must be maintained. Prior to January 1, 2015, the Company utilized the effective yield method whereby the Company recognized tax credits generally over 10 years and amortized the initial cost of the investment to provide a constant effective yield over the period that tax credits are allocated to the Company. On January 1, 2015, the Company adopted ASU No. 2014-01, "Accounting for Investments in Qualified Affordable Housing Projects" prospectively for new investments. ASU No. 2014-01 permits reporting entities to make an accounting policy election to account for their investments in qualified affordable housing projects using the proportional amortization method if certain conditions are met. As permitted by ASU No. 2014-01, the Company elected to continue to utilize the effective yield method for investments made prior to January 1, 2015. Unfunded commitments to fund these low-income housing partnerships were $23.5 million and $25.3 million as of March 31, 2016 and December 31, 2015 , respectively. These unfunded commitments are unconditional and legally binding and are recorded in other liabilities in the consolidated statements of condition. See Note 5 Affordable Housing Projects Tax Credit Partnerships for more information. The Company also has limited partnership interests in solar energy tax credit partnership investments. These partnerships develop, build, own and operate solar renewable energy projects. Over the course of these investments, the Company expects to receive federal and state tax credits, tax-related benefits, and excess cash available for distribution, if any. The Company may be called to sell its interest in the limited partnerships through a call option once all investment tax credits have been recognized. Tax benefits associated with these investments are generally recognized over 6 years. These entities meet the definition of a VIE; however, the Company is not the primary beneficiary of the entities, as the general partner has both the power to direct the activities that most significantly impact the economic performance of the entities and the obligation to absorb losses or the right to receive benefits that could be significant to the entities. While the partnership agreements allow the limited partners, through a majority vote, to remove the general partner, this right is not deemed to be substantive as the general partner can only be removed for cause. The investments in these entities are initially recorded at cost, which approximates the maximum exposure to loss as a result of the Company's involvement with these unconsolidated entities. The balance of the Company's investments in these entities was $76.0 million and $79.0 million as of March 31, 2016 and December 31, 2015, respectively, and is included in other assets in the consolidated statements of condition. Accounting Standards Adopted in 2016 In February 2015, the FASB issued ASU No. 2015-02, “Amendments to the Consolidation Analysis.” This ASU affects reporting entities that are required to evaluate whether they should consolidate certain legal entities. Specifically, the amendments: (1) modify the evaluation of whether limited partnerships and similar legal entities are variable interest entities (“VIEs”) or voting interest entities; (2) eliminate the presumption that a general partner should consolidate a limited partnership; (3) affect the consolidation analysis of reporting entities that are involved with VIEs, particularly those that have fee arrangements and related party relationships; and (4) provide a scope exception from consolidation guidance for reporting entities with interests in legal entities that are required to comply with or operate in accordance with requirements that are similar to those in Rule 2a-7 of the Investment Company Act of 1940 for registered money market funds. The Company adopted ASU No. 2015-02 effective January 1, 2016. The adoption of ASU No. 2015-02 did not have a material impact on the Company's Consolidated Financial Statements. In April 2015, the FASB issued ASU No. 2015-05, “Customer’s Accounting for Fees Paid in a Cloud Computing Arrangement.” This ASU provides guidance to customers about whether a cloud computing arrangement includes a software license. If a cloud computing arrangement includes a software license, the customer should account for the software license element of the arrangement consistent with the acquisition of other software licenses. If a cloud computing arrangement does not include a software license, the customer should account for the arrangement as a service contract. The new guidance does not change the accounting for a customer’s accounting for service contracts. The purpose of ASU 2015-05 is to clarify which fees paid in a cloud computing arrangement should be capitalized and which fees should be expensed as incurred. The Company prospectively adopted ASU No. 2015-05 effective January 1, 2016. The adoption of ASU No. 2015-05 did not have a material impact on the Company's Consolidated Financial Statements. Accounting Standards Pending Adoption In May 2014, the FASB and the International Accounting Standards Board (the "IASB") jointly issued a comprehensive new revenue recognition standard that will supersede nearly all existing revenue recognition guidance under GAAP and International Financial Reporting Standards ("IFRS"). Previous revenue recognition guidance in GAAP consisted of broad revenue recognition concepts together with numerous revenue requirements for particular industries or transactions, which sometimes resulted in different accounting for economically similar transactions. In contrast, IFRS provided limited revenue recognition guidance and, consequently, could be difficult to apply to complex transactions. Accordingly, the FASB and the IASB initiated a joint project to clarify the principles for recognizing revenue and to develop a common revenue standard for U.S. GAAP and IFRS that would: (1) remove inconsistencies and weaknesses in revenue requirements; (2) provide a more robust framework for addressing revenue issues; (3) improve comparability of revenue recognition practices across entities, industries, jurisdictions, and capital markets; (4) provide more useful information to users of financial statements through improved disclosure requirements; and (5) simplify the preparation of financial statements by reducing the number of requirements to which an entity must refer. To meet those objectives, the FASB issued ASU No. 2014-09, "Revenue from Contracts with Customers." The standard’s core principle is that a company will recognize revenue when it transfers promised goods or services to customers in an amount that reflects the consideration to which the company expects to be entitled in exchange for those goods or services. In doing so, companies generally will be required to use more judgment and make more estimates than under current guidance. These may include identifying performance obligations in the contract, estimating the amount of variable consideration to include in the transaction price and allocating the transaction price to each separate performance obligation. The standard was initially effective for public entities for interim and annual reporting periods beginning after December 15, 2016; early adoption was not permitted. However, in August 2015, the FASB issued ASU No. 2015-14, "Revenue from Contracts with Customers - Deferral of the Effective Date" which deferred the effective date by one year (i.e., interim and annual reporting periods beginning after December 15, 2017). Early adoption is permitted, but not before the original effective date (i.e., interim and annual reporting periods beginning after December 15, 2016). For financial reporting purposes, the standard allows for either full retrospective adoption, meaning the standard is applied to all of the periods presented, or modified retrospective adoption, meaning the standard is applied only to the most current period presented in the financial statements with the cumulative effect of initially applying the standard recognized at the date of initial application. The Company is currently evaluating the provisions of ASU No. 2014-09 and will be closely monitoring developments and additional guidance to determine the potential impact the new standard will have on the Company's Consolidated Financial Statements. In January 2016, the FASB issued ASU No. 2016-01, "Recognition and Measurement of Financial Assets and Financial Liabilities." This ASU addresses certain aspects of recognition, measurement, presentation, and disclosure of financial instruments by making targeted improvements to GAAP as follows: (1) require equity investments (except those accounted for under the equity method of accounting or those that result in consolidation of the investee) to be measured at fair value with changes in fair value recognized in net income. However, an entity may choose to measure equity investments that do not have readily determinable fair values at cost minus impairment, if any, plus or minus changes resulting from observable price changes in orderly transactions for the identical or a similar investment of the same issuer; (2) simplify the impairment assessment of equity investments without readily determinable fair values by requiring a qualitative assessment to identify impairment. When a qualitative assessment indicates that impairment exists, an entity is required to measure the investment at fair value; (3) eliminate the requirement to disclose the fair value of financial instruments measured at amortized cost for entities that are not public business entities; (4) eliminate the requirement for public business entities to disclose the method(s) and significant assumptions used to estimate the fair value that is required to be disclosed for financial instruments measured at amortized cost on the balance sheet; (5) require public business entities to use the exit price notion when measuring the fair value of financial instruments for disclosure purposes; (6) require an entity to present separately in other comprehensive income the portion of the total change in the fair value of a liability resulting from a change in the instrument-specific credit risk when the entity has elected to measure the liability at fair value in accordance with the fair value option for financial instruments; (7) require separate presentation of financial assets and financial liabilities by measurement category and form of financial asset (that is, securities or loans and receivables) on the balance sheet or the accompanying notes to the financial statements; and (8) clarify that an entity should evaluate the need for a valuation allowance on a deferred tax asset related to available-for-sale securities in combination with the entity’s other deferred tax assets. ASU No. 2016-01 is effective for interim and annual reporting periods beginning after December 15, 2017. Early application is permitted as of the beginning of the fiscal year of adoption only for provisions (3) and (6) above. Early adoption of the other provisions mentioned above is not permitted. The Company has performed a preliminary evaluation of the provisions of ASU No. 2016-01. Based on this evaluation, the Company has determined that ASU No. 2016-01 is not expected to have a material impact on the Company's Consolidated Financial Statements; however, the Company will continue to closely monitor developments and additional guidance. In February 2016, the FASB issued ASU No. 2016-02, "Leases." Under the new guidance, lessees will be required to recognize the following for all leases (with the exception of short-term leases): 1) a lease liability, which is the present value of a lessee's obligation to make lease payments, and 2) a right-of-use asset, which is an asset that represents the lessee's right to use, or control the use of, a specified asset for the lease term. Lessor accounting under the new guidance remains largely unchanged as it is substantially equivalent to existing guidance for sales-type leases, direct financing leases, and operating leases. Leveraged leases have been eliminated, although lessors can continue to account for existing leveraged leases using the current accounting guidance. Other limited changes were made to align lessor accounting with the lessee accounting model and the new revenue recognition standard . All entities will classify leases to determine how to recognize lease-related revenue and expense. Quantitative and qualitative disclosures will be required by lessees and lessors to meet the objective of enabling users of financial statements to assess the amount, timing, and uncertainty of cash flows arising from leases. The intention is to require enough information to supplement the amounts recorded in the financial statements so that users can understand more about the nature of an entity’s leasing activities. ASU No. 2016-02 is effective for interim and annual reporting periods beginning after December 15, 2018; early adoption is permitted. All entities are required to use a modified retrospective approach for leases that exist or are entered into after the beginning of the earliest comparative period in the financial statements. They have the option to use certain relief; full retrospective application is prohibited. The Company is currently evaluating the provisions of ASU No. 2016-02 and will be closely monitoring developments and additional guidance to determine the potential impact the new standard will have on the Company's Consolidated Financial Statements. In March 2016, the FASB issued ASU No. 2016-09, "Improvements to Employee Share-Based Payment Accounting.” This ASU includes provisions intended to simplify various aspects related to how share-based payments are accounted for and presented in the financial statements. Some of the key provisions of this new ASU include: (1) companies will no longer record excess tax benefits and certain tax deficiencies in additional paid-in capital (“APIC”). Instead, they will record all excess tax benefits and tax deficiencies as income tax expense or benefit in the income statement, and APIC pools will be eliminated. The guidance also eliminates the requirement that excess tax benefits be realized before companies can recognize them. In addition, the guidance requires companies to present excess tax benefits as an operating activity on the statement of cash flows rather than as a financing activity; (2) increase the amount an employer can withhold to cover income taxes on awards and still qualify for the exception to liability classification for shares used to satisfy the employer’s statutory income tax withholding obligation. The new guidance will also require an employer to classify the cash paid to a tax authority when shares are withheld to satisfy its statutory income tax withholding obligation as a financing activity on its statement of cash flows (current guidance did not specify how these cash flows should be classified); and (3) permit companies to make an accounting policy election for the impact of forfeitures on the recognition of expense for share-based payment awards. Forfeitures can be estimated, as required today, or recognized when they occur. ASU No. 2016-09 is effective for interim and annual reporting periods beginning after December 15, 2016. Early adoption is permitted, but all of the guidance must be adopted in the same period. The Company is currently evaluating the provisions of ASU No. 2016-09 to determine the potential impact the new standard will have on the Company's Consolidated Financial Statements.

Investment Securities

Investment Securities	3 Months Ended
	Mar. 31, 2016
Investments, Debt and Equity Securities [Abstract]
Investment Securities	Investment Securities The amortized cost, gross unrealized gains and losses, and fair value of the Company’s investment securities as of March 31, 2016 and December 31, 2015 were as follows: (dollars in thousands) Amortized Cost Gross Gross Fair Value March 31, 2016 Available-for-Sale: Debt Securities Issued by the U.S. Treasury and Government Agencies $ 432,645 $ 3,423 $ (950 ) $ 435,118 Debt Securities Issued by States and Political Subdivisions 681,195 27,078 (53 ) 708,220 Debt Securities Issued by Corporations 313,107 164 (4,529 ) 308,742 Mortgage-Backed Securities: Residential - Government Agencies 281,495 6,900 (1,150 ) 287,245 Residential - U.S. Government-Sponsored Enterprises 451,818 6,144 — 457,962 Commercial - Government Agencies 98,802 — (2,338 ) 96,464 Total Mortgage-Backed Securities 832,115 13,044 (3,488 ) 841,671 Total $ 2,259,062 $ 43,709 $ (9,020 ) $ 2,293,751 Held-to-Maturity: Debt Securities Issued by the U.S. Treasury and Government Agencies $ 489,757 $ 4,800 $ — $ 494,557 Debt Securities Issued by States and Political Subdivisions 245,069 18,221 — 263,290 Debt Securities Issued by Corporations 147,409 2,131 (367 ) 149,173 Mortgage-Backed Securities: Residential - Government Agencies 2,056,236 37,121 (6,533 ) 2,086,824 Residential - U.S. Government-Sponsored Enterprises 725,099 9,708 — 734,807 Commercial - Government Agencies 248,133 5,412 (366 ) 253,179 Total Mortgage-Backed Securities 3,029,468 52,241 (6,899 ) 3,074,810 Total $ 3,911,703 $ 77,393 $ (7,266 ) $ 3,981,830 December 31, 2015 Available-for-Sale: Debt Securities Issued by the U.S. Treasury and Government Agencies $ 356,260 $ 3,472 $ (838 ) $ 358,894 Debt Securities Issued by States and Political Subdivisions 709,724 22,498 (304 ) 731,918 Debt Securities Issued by Corporations 313,136 236 (4,502 ) 308,870 Mortgage-Backed Securities: Residential - Government Agencies 310,966 6,546 (1,267 ) 316,245 Residential - U.S. Government-Sponsored Enterprises 442,760 1,368 (2,264 ) 441,864 Commercial - Government Agencies 103,227 — (4,200 ) 99,027 Total Mortgage-Backed Securities 856,953 7,914 (7,731 ) 857,136 Total $ 2,236,073 $ 34,120 $ (13,375 ) $ 2,256,818 Held-to-Maturity: Debt Securities Issued by the U.S. Treasury and Government Agencies $ 489,747 $ 1,359 $ (1,139 ) $ 489,967 Debt Securities Issued by States and Political Subdivisions 245,980 17,114 — 263,094 Debt Securities Issued by Corporations 151,301 368 (2,041 ) 149,628 Mortgage-Backed Securities: Residential - Government Agencies 2,191,138 27,893 (19,067 ) 2,199,964 Residential - U.S. Government-Sponsored Enterprises 647,762 1,656 (2,616 ) 646,802 Commercial - Government Agencies 256,808 2,381 (2,232 ) 256,957 Total Mortgage-Backed Securities 3,095,708 31,930 (23,915 ) 3,103,723 Total $ 3,982,736 $ 50,771 $ (27,095 ) $ 4,006,412 The table below presents an analysis of the contractual maturities of the Company’s investment securities as of March 31, 2016 . Debt securities issued by government agencies (Small Business Administration securities) and mortgage-backed securities are disclosed separately in the table below as these investment securities may prepay prior to their scheduled contractual maturity dates. (dollars in thousands) Amortized Cost Fair Value Available-for-Sale: Due in One Year or Less $ 55,617 $ 55,771 Due After One Year Through Five Years 469,600 473,721 Due After Five Years Through Ten Years 402,326 416,186 Due After Ten Years 67,304 71,830 994,847 1,017,508 Debt Securities Issued by Government Agencies 432,100 434,572 Mortgage-Backed Securities: Residential - Government Agencies 281,495 287,245 Residential - U.S. Government-Sponsored Enterprises 451,818 457,962 Commercial - Government Agencies 98,802 96,464 Total Mortgage-Backed Securities 832,115 841,671 Total $ 2,259,062 $ 2,293,751 Held-to-Maturity: Due After One Year Through Five Years $ 522,304 $ 528,610 Due After Five Years Through Ten Years 288,542 301,282 Due After Ten Years 71,389 77,128 882,235 907,020 Mortgage-Backed Securities: Residential - Government Agencies 2,056,236 2,086,824 Residential - U.S. Government-Sponsored Enterprises 725,099 734,807 Commercial - Government Agencies 248,133 253,179 Total Mortgage-Backed Securities 3,029,468 3,074,810 Total $ 3,911,703 $ 3,981,830 Investment securities with carrying values of $2.6 billion and $2.5 billion as of March 31, 2016 and December 31, 2015 , respectively, were pledged to secure deposits of governmental entities and securities sold under agreements to repurchase. The table below presents the gains and losses from the sales of investment securities for the three months ended March 31, 2016 and 2015 . Three Months Ended (dollars in thousands) 2016 2015 Gross Gains on Sales of Investment Securities $ 11,180 $ 10,231 Gross Losses on Sales of Investment Securities — — Net Gains on Sales of Investment Securities $ 11,180 $ 10,231 The Company’s investment securities in an unrealized loss position, segregated by continuous length of impairment, were as follows: Less Than 12 Months 12 Months or Longer Total (dollars in thousands) Fair Value Gross Unrealized Losses Fair Value Gross Unrealized Losses Fair Value Gross Unrealized Losses March 31, 2016 Available-for-Sale: Debt Securities Issued by the U.S. Treasury and Government Agencies $ 187,522 $ (804 ) $ 21,364 $ (146 ) $ 208,886 $ (950 ) Debt Securities Issued by States and Political Subdivisions 3,231 (5 ) 6,779 (48 ) 10,010 (53 ) Debt Securities Issued by Corporations 86,681 (1,333 ) 186,856 (3,196 ) 273,537 (4,529 ) Mortgage-Backed Securities: Residential - Government Agencies 12,538 (56 ) 8,501 (1,094 ) 21,039 (1,150 ) Commercial - Government Agencies — — 96,464 (2,338 ) 96,464 (2,338 ) Total Mortgage-Backed Securities 12,538 (56 ) 104,965 (3,432 ) 117,503 (3,488 ) Total $ 289,972 $ (2,198 ) $ 319,964 $ (6,822 ) $ 609,936 $ (9,020 ) Held-to-Maturity: Debt Securities Issued by Corporations $ 8,735 $ (17 ) $ 41,043 $ (350 ) $ 49,778 $ (367 ) Mortgage-Backed Securities: Residential - Government Agencies 135,228 (327 ) 548,807 (6,206 ) 684,035 (6,533 ) Commercial - Government Agencies 19,422 (227 ) 53,099 (139 ) 72,521 (366 ) Total Mortgage-Backed Securities 154,650 (554 ) 601,906 (6,345 ) 756,556 (6,899 ) Total $ 163,385 $ (571 ) $ 642,949 $ (6,695 ) $ 806,334 $ (7,266 ) December 31, 2015 Available-for-Sale: Debt Securities Issued by the U.S. Treasury and Government Agencies $ 144,260 $ (822 ) $ 5,452 $ (16 ) $ 149,712 $ (838 ) Debt Securities Issued by States and Political Subdivisions 72,248 (252 ) 6,798 (52 ) 79,046 (304 ) Debt Securities Issued by Corporations 101,269 (1,747 ) 162,304 (2,755 ) 263,573 (4,502 ) Mortgage-Backed Securities: Residential - Government Agencies 30,679 (130 ) 9,117 (1,137 ) 39,796 (1,267 ) Residential - U.S. Government-Sponsored Enterprises 346,603 (2,264 ) — — 346,603 (2,264 ) Commercial - Government Agencies — — 99,026 (4,200 ) 99,026 (4,200 ) Total Mortgage-Backed Securities 377,282 (2,394 ) 108,143 (5,337 ) 485,425 (7,731 ) Total $ 695,059 $ (5,215 ) $ 282,697 $ (8,160 ) $ 977,756 $ (13,375 ) Held-to-Maturity: Debt Securities Issued by the U.S. Treasury $ 264,747 $ (1,139 ) $ — $ — $ 264,747 $ (1,139 ) Debt Securities Issued by Corporations 28,218 (66 ) 71,208 (1,975 ) 99,426 (2,041 ) Mortgage-Backed Securities: Residential - Government Agencies 562,502 (5,828 ) 414,207 (13,239 ) 976,709 (19,067 ) Residential - U.S. Government-Sponsored Enterprises 450,147 (2,616 ) — — 450,147 (2,616 ) Commercial - Government Agencies 74,040 (958 ) 52,207 (1,274 ) 126,247 (2,232 ) Total Mortgage-Backed Securities 1,086,689 (9,402 ) 466,414 (14,513 ) 1,553,103 (23,915 ) Total $ 1,379,654 $ (10,607 ) $ 537,622 $ (16,488 ) $ 1,917,276 $ (27,095 ) The Company does not believe that the investment securities that were in an unrealized loss position as of March 31, 2016 , which were comprised of 123 securities, represent an other-than-temporary impairment. Total gross unrealized losses were primarily attributable to changes in interest rates, relative to when the investment securities were purchased, and not due to the credit quality of the investment securities. As of March 31, 2016 and December 31, 2015 , the gross unrealized losses reported for mortgage-backed securities were primarily related to investment securities issued by the Government National Mortgage Association. The Company does not intend to sell the investment securities that were in an unrealized loss position and it is not more likely than not that the Company will be required to sell the investment securities before recovery of their amortized cost basis, which may be at maturity. Interest income from taxable and non-taxable investment securities for the three months ended March 31, 2016 and 2015 were as follows: Three Months Ended (dollars in thousands) 2016 2015 Taxable $ 25,987 $ 29,292 Non-Taxable 5,218 5,313 Total Interest Income from Investment Securities $ 31,205 $ 34,605 As of March 31, 2016 , included in the Company's investment securities portfolio were debt securities issued by political subdivisions within the State of Hawaii of $551.4 million , representing 57% of the total fair value of the Company's municipal debt securities. Of the entire Hawaii municipal bond portfolio, 94% were credit-rated Aa2 or better by Moody's while the remaining Hawaii municipal bonds were credit-rated A2 or better by at least one nationally recognized statistical rating organization. Of the Company's total Hawaii municipal bond holdings, 76% were general obligation issuances. As of March 31, 2016 , there were no other holdings of municipal debt securities that were issued by a single state or political subdivision which comprised more than 10% of the total fair value of the Company's municipal debt securities. As of March 31, 2016 and December 31, 2015 , the carrying value of the Company’s Federal Home Loan Bank of Des Moines stock and Federal Reserve Bank stock was as follows: (dollars in thousands) March 31, December 31, Federal Home Loan Bank Stock $ 18,000 $ 19,000 Federal Reserve Bank Stock 19,958 19,836 Total $ 37,958 $ 38,836 These securities can only be redeemed or sold at their par value and only to the respective issuing government-supported institution or to another member institution. The Company records these non-marketable equity securities as a component of other assets and periodically evaluates these securities for impairment. Management considers these non-marketable equity securities to be long-term investments. Accordingly, when evaluating these securities for impairment, management considers the ultimate recoverability of the par value rather than recognizing temporary declines in value. Visa Class B Restricted Shares In 2008, the Company received Visa Class B restricted shares as part of Visa’s initial public offering. These shares are transferable only under limited circumstances until they can be converted into the publicly traded Class A common shares. This conversion will not occur until the settlement of certain litigation which is indemnified by Visa members, including the Company. Visa funded an escrow account from its initial public offering to settle these litigation claims. Should this escrow account not be sufficient to cover these litigation claims, Visa is entitled to fund additional amounts to the escrow account by reducing each member bank's Class B conversion ratio to unrestricted Class A shares. As of March 31, 2016 , the conversion ratio was 1.6483 . During the first three months of 2016 , the Company recorded an $11.2 million net gain on the sale of 100,000 Visa Class B shares. Concurrent with every sale of Visa Class B shares, the Company has entered into an agreement with the buyer that requires payment to the buyer in the event Visa further reduces the conversion ratio. Based on the existing transfer restriction and the uncertainty of the outcome of the Visa litigation mentioned above, the remaining 188,714 Class B shares ( 311,057 Class A equivalents) that the Company owns are carried at a zero cost basis.

Loans and Leases and the Allowa

Loans and Leases and the Allowance for Loan and Lease Losses	3 Months Ended
	Mar. 31, 2016
Loans and Leases and Allowance for Loan and Lease Losses [Abstract]
Loans and Leases and the Allowance for Loan and Lease Losses	Loans and Leases and the Allowance for Loan and Lease Losses Loans and Leases The Company’s loan and lease portfolio was comprised of the following as of March 31, 2016 and December 31, 2015 : (dollars in thousands) March 31, December 31, Commercial Commercial and Industrial $ 1,180,341 $ 1,115,168 Commercial Mortgage 1,687,199 1,677,147 Construction 192,909 156,660 Lease Financing 195,804 204,877 Total Commercial 3,256,253 3,153,852 Consumer Residential Mortgage 2,929,388 2,925,605 Home Equity 1,131,796 1,069,400 Automobile 399,825 381,735 Other 1 348,348 348,393 Total Consumer 4,809,357 4,725,133 Total Loans and Leases $ 8,065,610 $ 7,878,985 1 Comprised of other revolving credit, installment, and lease financing. The majority of the Company's lending activity is with customers located in the State of Hawaii. A substantial portion of the Company's real estate loans are secured by real estate in Hawaii. Net gains related to sales of residential mortgage loans, recorded as a component of mortgage banking income were $1.8 million and $0.5 million for the three months ended March 31, 2016 and 2015 , respectively. Allowance for Loan and Lease Losses (the “Allowance”) The following presents by portfolio segment, the activity in the Allowance for the three months ended March 31, 2016 and 2015 . The following also presents by portfolio segment, the balance in the Allowance disaggregated on the basis of the Company’s impairment measurement method and the related recorded investment in loans and leases as of March 31, 2016 and 2015 . (dollars in thousands) Commercial Consumer Total Three Months Ended March 31, 2016 Allowance for Loan and Lease Losses: Balance at Beginning of Period $ 60,714 $ 42,166 $ 102,880 Loans and Leases Charged-Off (257 ) (4,630 ) (4,887 ) Recoveries on Loans and Leases Previously Charged-Off 6,905 1,779 8,684 Net Loans and Leases Recovered (Charged-Off) 6,648 (2,851 ) 3,797 Provision for Credit Losses (5,552 ) 3,552 (2,000 ) Balance at End of Period $ 61,810 $ 42,867 $ 104,677 As of March 31, 2016 Allowance for Loan and Lease Losses: Individually Evaluated for Impairment $ 157 $ 3,406 $ 3,563 Collectively Evaluated for Impairment 61,653 39,461 101,114 Total $ 61,810 $ 42,867 $ 104,677 Recorded Investment in Loans and Leases: Individually Evaluated for Impairment $ 22,986 $ 39,028 $ 62,014 Collectively Evaluated for Impairment 3,233,267 4,770,329 8,003,596 Total $ 3,256,253 $ 4,809,357 $ 8,065,610 Three Months Ended March 31, 2015 Allowance for Loan and Lease Losses: Balance at Beginning of Period $ 64,551 $ 44,137 $ 108,688 Loans and Leases Charged-Off (235 ) (3,853 ) (4,088 ) Recoveries on Loans and Leases Previously Charged-Off 736 2,125 2,861 Net Loans and Leases Recovered (Charged-Off) 501 (1,728 ) (1,227 ) Provision for Credit Losses 782 (782 ) — Balance at End of Period $ 65,834 $ 41,627 $ 107,461 As of March 31, 2015 Allowance for Loan and Lease Losses: Individually Evaluated for Impairment $ 2,212 $ 3,534 $ 5,746 Collectively Evaluated for Impairment 63,622 38,093 101,715 Total $ 65,834 $ 41,627 $ 107,461 Recorded Investment in Loans and Leases: Individually Evaluated for Impairment $ 26,084 $ 39,453 $ 65,537 Collectively Evaluated for Impairment 2,929,026 4,184,065 7,113,091 Total $ 2,955,110 $ 4,223,518 $ 7,178,628 Credit Quality Indicators The Company uses several credit quality indicators to manage credit risk in an ongoing manner. The Company uses an internal credit risk rating system that categorizes loans and leases into pass, special mention, or classified categories. Credit risk ratings are applied individually to those classes of loans and leases that have significant or unique credit characteristics that benefit from a case-by-case evaluation. These are typically loans and leases to businesses or individuals in the classes which comprise the commercial portfolio segment. Groups of loans and leases that are underwritten and structured using standardized criteria and characteristics, such as statistical models (e.g., credit scoring or payment performance), are typically risk-rated and monitored collectively. These are typically loans and leases to individuals in the classes which comprise the consumer portfolio segment. The following are the definitions of the Company’s credit quality indicators: Pass: Loans and leases in all classes within the commercial and consumer portfolio segments that are not adversely rated, are contractually current as to principal and interest, and are otherwise in compliance with the contractual terms of the loan or lease agreement. Management believes that there is a low likelihood of loss related to those loans and leases that are considered pass. Special Mention: Loans and leases in the classes within the commercial portfolio segment that have potential weaknesses that deserve management’s close attention. If not addressed, these potential weaknesses may result in deterioration of the repayment prospects for the loan or lease. The special mention credit quality indicator is not used for classes of loans and leases that are included in the consumer portfolio segment. Management believes that there is a moderate likelihood of some loss related to those loans and leases that are considered special mention. Classified: Loans and leases in the classes within the commercial portfolio segment that are inadequately protected by the sound worth and paying capacity of the borrower or of the collateral pledged, if any. Classified loans and leases are also those in the classes within the consumer portfolio segment that are past due 90 days or more as to principal or interest. Residential mortgage loans that are past due 90 days or more as to principal or interest may be considered pass if the Company is in the process of collection and the current loan-to-value ratio is 60% or less. Home equity loans that are past due 90 days or more as to principal or interest may be considered pass if the Company is in the process of collection, the first mortgage is with the Company, and the current combined loan-to-value ratio is 60% or less. Residential mortgage and home equity loans may be current as to principal and interest, but may be considered classified for a period of generally up to six months following a loan modification. Following a period of demonstrated performance in accordance with the modified contractual terms, the loan may be removed from classified status. Management believes that there is a distinct possibility that the Company will sustain some loss if the deficiencies related to classified loans and leases are not corrected in a timely manner. The Company’s credit quality indicators are periodically updated on a case-by-case basis. The following presents by class and by credit quality indicator, the recorded investment in the Company’s loans and leases as of March 31, 2016 and December 31, 2015 . March 31, 2016 (dollars in thousands) Commercial and Industrial Commercial Mortgage Construction Lease Financing Total Commercial Pass $ 1,136,351 $ 1,619,997 $ 191,257 $ 195,380 $ 3,142,985 Special Mention 18,180 32,010 71 69 50,330 Classified 25,810 35,192 1,581 355 62,938 Total $ 1,180,341 $ 1,687,199 $ 192,909 $ 195,804 $ 3,256,253 (dollars in thousands) Residential Mortgage Home Equity Automobile Other 1 Total Consumer Pass $ 2,915,669 $ 1,128,186 $ 399,301 $ 347,763 $ 4,790,919 Classified 13,719 3,610 524 585 18,438 Total $ 2,929,388 $ 1,131,796 $ 399,825 $ 348,348 $ 4,809,357 Total Recorded Investment in Loans and Leases $ 8,065,610 December 31, 2015 (dollars in thousands) Commercial and Industrial Commercial Mortgage Construction Lease Financing Total Commercial Pass $ 1,059,475 $ 1,591,696 $ 154,976 $ 204,348 $ 3,010,495 Special Mention 28,076 43,674 80 76 71,906 Classified 27,617 41,777 1,604 453 71,451 Total $ 1,115,168 $ 1,677,147 $ 156,660 $ 204,877 $ 3,153,852 (dollars in thousands) Residential Mortgage Home Equity Automobile Other 1 Total Consumer Pass $ 2,910,667 $ 1,064,253 $ 381,420 $ 347,710 $ 4,704,050 Classified 14,938 5,147 315 683 21,083 Total $ 2,925,605 $ 1,069,400 $ 381,735 $ 348,393 $ 4,725,133 Total Recorded Investment in Loans and Leases $ 7,878,985 1 Comprised of other revolving credit, installment, and lease financing. Aging Analysis The following presents by class, an aging analysis of the Company’s loan and lease portfolio as of March 31, 2016 and December 31, 2015 . (dollars in thousands) 30 - 59 Days Past Due 60 - 89 Days Past Due Past Due 90 Days or More Non-Accrual Total Past Due and Non-Accrual Current Total Loans and Leases Non-Accrual Loans and Leases that are Current 2 As of March 31, 2016 Commercial Commercial and Industrial $ 6,538 $ 444 $ — $ 666 $ 7,648 $ 1,172,693 $ 1,180,341 $ 71 Commercial Mortgage — 421 — 3,401 3,822 1,683,377 1,687,199 2,822 Construction — — — — — 192,909 192,909 — Lease Financing — — — — — 195,804 195,804 — Total Commercial 6,538 865 — 4,067 11,470 3,244,783 3,256,253 2,893 Consumer Residential Mortgage 6,115 2,317 4,219 13,719 26,370 2,903,018 2,929,388 2,237 Home Equity 1,550 1,741 2,096 2,501 7,888 1,123,908 1,131,796 881 Automobile 7,735 962 524 — 9,221 390,604 399,825 — Other 1 2,200 1,278 1,099 — 4,577 343,771 348,348 — Total Consumer 17,600 6,298 7,938 16,220 48,056 4,761,301 4,809,357 3,118 Total $ 24,138 $ 7,163 $ 7,938 $ 20,287 $ 59,526 $ 8,006,084 $ 8,065,610 $ 6,011 As of December 31, 2015 Commercial Commercial and Industrial $ 1,118 $ 359 $ — $ 5,829 $ 7,306 $ 1,107,862 $ 1,115,168 $ 452 Commercial Mortgage 1,245 27 — 3,469 4,741 1,672,406 1,677,147 2,890 Construction 2,120 — — — 2,120 154,540 156,660 — Lease Financing — — — — — 204,877 204,877 — Total Commercial 4,483 386 — 9,298 14,167 3,139,685 3,153,852 3,342 Consumer Residential Mortgage 7,148 3,993 4,453 14,598 30,192 2,895,413 2,925,605 2,056 Home Equity 3,856 1,906 1,710 4,081 11,553 1,057,847 1,069,400 1,710 Automobile 8,103 1,803 315 — 10,221 371,514 381,735 — Other 1 2,281 1,448 1,096 — 4,825 343,568 348,393 — Total Consumer 21,388 9,150 7,574 18,679 56,791 4,668,342 4,725,133 3,766 Total $ 25,871 $ 9,536 $ 7,574 $ 27,977 $ 70,958 $ 7,808,027 $ 7,878,985 $ 7,108 1 Comprised of other revolving credit, installment, and lease financing. 2 Represents non-accrual loans that are not past due 30 days or more; however, full payment of principal and interest is still not expected. Impaired Loans The following presents by class, information related to impaired loans as of March 31, 2016 and December 31, 2015 . (dollars in thousands) Recorded Investment Unpaid Principal Balance Related Allowance for Loan Losses March 31, 2016 Impaired Loans with No Related Allowance Recorded: Commercial Commercial and Industrial $ 10,069 $ 17,031 $ — Commercial Mortgage 10,055 13,555 — Construction 1,581 1,581 — Total Commercial 21,705 32,167 — Total Impaired Loans with No Related Allowance Recorded $ 21,705 $ 32,167 $ — Impaired Loans with an Allowance Recorded: Commercial Commercial and Industrial $ 1,281 $ 1,281 $ 157 Total Commercial 1,281 1,281 157 Consumer Residential Mortgage 28,231 33,748 3,173 Home Equity 1,516 1,516 18 Automobile 7,384 7,384 159 Other 1 1,897 1,897 56 Total Consumer 39,028 44,545 3,406 Total Impaired Loans with an Allowance Recorded $ 40,309 $ 45,826 $ 3,563 Impaired Loans: Commercial $ 22,986 $ 33,448 $ 157 Consumer 39,028 44,545 3,406 Total Impaired Loans $ 62,014 $ 77,993 $ 3,563 December 31, 2015 Impaired Loans with No Related Allowance Recorded: Commercial Commercial and Industrial $ 14,650 $ 28,212 $ — Commercial Mortgage 10,407 13,907 — Construction 1,604 1,604 — Total Commercial 26,661 43,723 — Total Impaired Loans with No Related Allowance Recorded $ 26,661 $ 43,723 $ — Impaired Loans with an Allowance Recorded: Commercial Commercial and Industrial $ 1,289 $ 1,289 $ 205 Total Commercial 1,289 1,289 205 Consumer Residential Mortgage 28,981 34,694 3,171 Home Equity 1,089 1,089 12 Automobile 7,012 7,012 143 Other 1 1,665 1,665 47 Total Consumer 38,747 44,460 3,373 Total Impaired Loans with an Allowance Recorded $ 40,036 $ 45,749 $ 3,578 Impaired Loans: Commercial $ 27,950 $ 45,012 $ 205 Consumer 38,747 44,460 3,373 Total Impaired Loans $ 66,697 $ 89,472 $ 3,578 1 Comprised of other revolving credit and installment financing. The following presents by class, information related to the average recorded investment and interest income recognized on impaired loans for the three months ended March 31, 2016 and 2015 . Three Months Ended Three Months Ended (dollars in thousands) Average Recorded Investment Interest Income Recognized Average Recorded Investment Interest Income Recognized Impaired Loans with No Related Allowance Recorded: Commercial Commercial and Industrial $ 12,360 $ 106 $ 10,781 $ 98 Commercial Mortgage 10,231 69 6,444 65 Construction 1,593 26 1,679 27 Total Commercial 24,184 201 18,904 190 Total Impaired Loans with No Related Allowance Recorded $ 24,184 $ 201 $ 18,904 $ 190 Impaired Loans with an Allowance Recorded: Commercial Commercial and Industrial $ 1,285 $ 20 $ 6,698 $ 26 Total Commercial 1,285 20 6,698 26 Consumer Residential Mortgage 28,606 251 32,028 267 Home Equity 1,303 17 1,108 8 Automobile 7,198 122 5,461 104 Other 1 1,781 39 946 22 Total Consumer 38,888 429 39,543 401 Total Impaired Loans with an Allowance Recorded $ 40,173 $ 449 $ 46,241 $ 427 Impaired Loans: Commercial $ 25,469 $ 221 $ 25,602 $ 216 Consumer 38,888 429 39,543 401 Total Impaired Loans $ 64,357 $ 650 $ 65,145 $ 617 1 Comprised of other revolving credit and installment financing. For the three months ended March 31, 2016 and 2015 , the amounts of interest income recognized by the Company within the periods that the loans were impaired were primarily related to loans modified in a troubled debt restructuring that remained on accrual status. For the three months ended March 31, 2016 and 2015 , the amount of interest income recognized using a cash-basis method of accounting during the periods that the loans were impaired was not material. Modifications A modification of a loan constitutes a troubled debt restructuring (“TDR”) when the Company, for economic or legal reasons related to a borrower’s financial difficulties, grants a concession to the borrower that it would not otherwise consider. Loans modified in a TDR were $60.8 million and $65.0 million as of March 31, 2016 and December 31, 2015 , respectively. As of March 31, 2016 , there were $0.8 million commitments to lend additional funds on loans modified in a TDR. As of December 31, 2015 , there were no commitments to lend additional funds on loans modified in a TDR. The Company offers various types of concessions when modifying a loan or lease. Commercial and industrial loans modified in a TDR often involve temporary interest-only payments, term extensions, and converting revolving credit lines to term loans. Additional collateral, a co-borrower, or a guarantor is often requested. Commercial mortgage and construction loans modified in a TDR often involve reducing the interest rate for the remaining term of the loan, extending the maturity date at an interest rate lower than the current market rate for new debt with similar risk, or substituting or adding a co-borrower or guarantor. Construction loans modified in a TDR may also involve extending the interest-only payment period. Residential mortgage loans modified in a TDR generally include a lower interest rate and the loan being fully amortized for up to 40 years from the modification effective date. In some cases, the Company may forbear a portion of the unpaid principal balance with a balloon payment due upon maturity or pay-off of the loan. Land loans are also included in the class of residential mortgage loans. Land loans are typically structured as interest-only monthly payments with a balloon payment due at maturity. Land loan modifications usually involve extending the interest-only monthly payments up to an additional five years with a balloon payment due at maturity, or re-amortizing the remaining balance over a period up to 360 months . Interest rates are not changed for land loan modifications. Home equity modifications are made infrequently and uniquely designed to meet the specific needs of each borrower. Automobile loans modified in a TDR are primarily comprised of loans where the Company has lowered monthly payments by extending the term. Loans modified in a TDR are typically already on non-accrual status and partial charge-offs have in some cases already been taken against the outstanding loan balance. As a result, loans modified in a TDR may have the financial effect of increasing the specific Allowance associated with the loan. An Allowance for impaired consumer and commercial loans that have been modified in a TDR is measured based on the present value of expected future cash flows discounted at the loan’s effective interest rate, the loan’s observable market price, or the estimated fair value of the collateral, less any selling costs, if the loan is collateral dependent. Management exercises significant judgment in developing these estimates. The following presents by class, information related to loans modified in a TDR during the three months ended March 31, 2016 and 2015 . Loans Modified as a TDR for the Loans Modified as a TDR for the Recorded Increase in Recorded Increase in Troubled Debt Restructurings Number of Investment Allowance Number of Investment Allowance (dollars in thousands) Contracts (as of period end) 1 (as of period end) Contracts (as of period end) 1 (as of period end) Commercial Commercial and Industrial 17 $ 2,988 $ — 17 $ 2,687 $ 1 Commercial Mortgage — — — 1 507 — Total Commercial 17 2,988 — 18 3,194 1 Consumer Residential Mortgage 3 1,166 197 5 2,122 61 Home Equity 1 478 6 2 203 3 Automobile 53 1,123 24 35 780 11 Other 2 62 450 13 22 151 5 Total Consumer 119 3,217 240 64 3,256 80 Total 136 $ 6,205 $ 240 82 $ 6,450 $ 81 1 The period end balances reflect all paydowns and charge-offs since the modification date. TDRs fully paid-off, charged-off, or foreclosed upon by period end are not included. 2 Comprised of other revolving credit and installment financing. The following presents by class, all loans modified in a TDR that defaulted during the three months ended March 31, 2016 and 2015 , and within twelve months of their modification date. A TDR is considered to be in default once it becomes 60 days or more past due following a modification. Three Months Ended Three Months Ended TDRs that Defaulted During the Period, Recorded Recorded Within Twelve Months of their Modification Date Number of Investment Number of Investment (dollars in thousands) Contracts (as of period end) 1 Contracts (as of period end) 1 Consumer Residential Mortgage 2 1,031 1 306 Home Equity 1 165 — — Automobile 5 116 7 152 Other 2 18 111 8 61 Total Consumer 26 1,423 16 519 Total 26 $ 1,423 16 $ 519 1 The period end balances reflect all paydowns and charge-offs since the modification date. TDRs fully paid-off, charged-off, or foreclosed upon by period end are not included. 2 Comprised of other revolving credit and installment financing. Commercial and consumer loans modified in a TDR are closely monitored for delinquency as an early indicator of possible future default. If loans modified in a TDR subsequently default, the Company evaluates the loan for possible further impairment. The specific Allowance associated with the loan may be increased, adjustments may be made in the allocation of the Allowance, or partial charge-offs may be taken to further write-down the carrying value of the loan. Foreclosure Proceedings Consumer mortgage loans collateralized by residential real estate property that are in the process of foreclosure totaled $7.6 million as of March 31, 2016 .

Mortgage Servicing Rights

Mortgage Servicing Rights	3 Months Ended
	Mar. 31, 2016
Transfers and Servicing of Financial Assets [Abstract]
Mortgage Servicing Rights	Mortgage Servicing Rights The Company’s portfolio of residential mortgage loans serviced for third parties was $2.7 billion as of March 31, 2016 and December 31, 2015 . Substantially all of these loans were originated by the Company and sold to third parties on a non-recourse basis with servicing rights retained. These retained servicing rights are recorded as a servicing asset and are initially recorded at fair value (see Note 13 Fair Value of Assets and Liabilities for more information). Changes to the balance of mortgage servicing rights are recorded in mortgage banking income in the Company’s consolidated statements of income. The Company’s mortgage servicing activities include collecting principal, interest, and escrow payments from borrowers; making tax and insurance payments on behalf of borrowers; monitoring delinquencies and executing foreclosure proceedings; and accounting for and remitting principal and interest payments to investors. Servicing income, including late and ancillary fees, was $1.7 million and $1.9 million for the three months ended March 31, 2016 and 2015 , respectively. Servicing income is recorded in mortgage banking income in the Company’s consolidated statements of income. The Company’s residential mortgage investor loan servicing portfolio is primarily comprised of fixed rate loans concentrated in Hawaii. For the three months ended March 31, 2016 and 2015 , the change in the carrying value of the Company’s mortgage servicing rights accounted for under the fair value measurement method was as follows: Three Months Ended (dollars in thousands) 2016 2015 Balance at Beginning of Period $ 1,970 $ 2,604 Change in Fair Value: Due to Change in Valuation Assumptions 1 — (251 ) Due to Payoffs (60 ) (76 ) Total Changes in Fair Value of Mortgage Servicing Rights (60 ) (327 ) Balance at End of Period $ 1,910 $ 2,277 1 Primarily represents changes in discount rates and loan repayment rate assumptions, mostly due to changes in interest rates. For the three months ended March 31, 2016 and 2015 , the change in the carrying value of the Company’s mortgage servicing rights accounted for under the amortization method, net of valuation allowance, was as follows: Three Months Ended (dollars in thousands) 2016 2015 Balance at Beginning of Period $ 21,032 $ 22,091 Servicing Rights that Resulted From Asset Transfers 441 134 Amortization (635 ) (839 ) Valuation Allowance Provision (85 ) (20 ) Balance at End of Period $ 20,753 $ 21,366 Valuation Allowance: Balance at Beginning of Period $ (21 ) $ (57 ) Valuation Allowance Provision (85 ) (20 ) Balance at End of Period $ (106 ) $ (77 ) Fair Value of Mortgage Servicing Rights Accounted for Under the Amortization Method Beginning of Period $ 24,804 $ 22,837 End of Period $ 20,841 $ 21,431 The key data and assumptions used in estimating the fair value of the Company’s mortgage servicing rights as of March 31, 2016 and December 31, 2015 were as follows: March 31, December 31, 2015 Weighted-Average Constant Prepayment Rate 1 12.33 % 9.10 % Weighted-Average Life (in years) 6.08 7.40 Weighted-Average Note Rate 4.21 % 4.23 % Weighted-Average Discount Rate 2 9.76 % 9.38 % 1 Represents annualized loan repayment rate assumption. 2 Derived from multiple interest rate scenarios that incorporate a spread to the London Interbank Offered Rate swap curve and market volatilities. A sensitivity analysis of the Company’s fair value of mortgage servicing rights to changes in certain key assumptions as of March 31, 2016 and December 31, 2015 is presented in the following table. (dollars in thousands) March 31, December 31, Constant Prepayment Rate Decrease in fair value from 25 basis points (“bps”) adverse change $ (226 ) $ (285 ) Decrease in fair value from 50 bps adverse change (447 ) (566 ) Discount Rate Decrease in fair value from 25 bps adverse change (226 ) (292 ) Decrease in fair value from 50 bps adverse change (447 ) (577 ) This analysis generally cannot be extrapolated because the relationship of a change in one key assumption to the change in the fair value of the Company’s mortgage servicing rights usually is not linear. Also, the effect of changing one key assumption without changing other assumptions is not realistic.

Low Income Housing Tax Credit P

Low Income Housing Tax Credit Partnerships	3 Months Ended
	Mar. 31, 2016
Equity Method Investments and Joint Ventures [Abstract]
Low Income Housing Tax Credit Partnerships	Affordable Housing Projects Tax Credit Partnerships The Company makes equity investments in various limited partnerships that sponsor affordable housing projects utilizing the Low Income Housing Tax Credit (LIHTC) pursuant to Section 42 of the Internal Revenue Code. The purpose of these investments is to achieve a satisfactory return on capital, to facilitate the sale of affordable housing product offerings, and to assist in achieving goals associated with the Community Reinvestment Act. The primary activities of the limited partnerships include the identification, development, and operation of multi-family housing that is leased to qualifying residential tenants. Generally, these types of investments are funded through a combination of debt and equity. The Company is a limited partner in each LIHTC limited partnership. Each limited partnership is managed by an unrelated third party general partner who exercises full control over the affairs of the limited partnership. The general partner has all the rights, powers and authority granted or permitted to be granted to a general partner of a limited partnership. Duties entrusted to the general partner of each limited partnership include, but are not limited to: investment in operating companies, company expenditures, investment of excess funds, borrowing funds, employment of agents, disposition of fund property, prepayment and refinancing of liabilities, votes and consents, contract authority, disbursement of funds, accounting methods, tax elections, bank accounts, insurance, litigation, cash reserve, and use of working capital reserve funds. Except for limited rights granted to consent to certain transactions, the limited partner(s) may not participate in the operation, management, or control of the limited partnership’s business, transact any business in the limited partnership’s name or have any power to sign documents for or otherwise bind the limited partnership. In addition, the general partner may only be removed by the limited partner(s) in the event the general partner fails to comply with the terms of the agreement or is negligent in performing its duties. The general partner of each limited partnership has both the power to direct the activities which most significantly affect the performance of each partnership and the obligation to absorb losses or the right to receive benefits that could be significant to the entities. Therefore, the Company has determined that it is not the primary beneficiary of any LIHTC partnership. The Company uses the effective yield method to account for its pre-2015 investments in these entities. Beginning January 1, 2015, any new investments that meet the requirements of the proportional amortization method are recognized using the proportional amortization method. The Company's net affordable housing tax credit investments and related unfunded commitments were $66.4 million and $68.8 million as of March 31, 2016 and December 31, 2015 , respectively, and are included in other assets in the consolidated statements of condition. Unfunded Commitments As of March 31, 2016 , the expected payments for unfunded affordable housing commitments were as follows: (dollars in thousands) Amount 2016 $ 12,485 2017 10,847 2018 33 2019 75 2020 65 Thereafter — Total Unfunded Commitments $ 23,505 The following table presents tax credits and other tax benefits recognized and amortization expense related to affordable housing for the three months ended March 31, 2016 and 2015 . Three Months Ended (dollars in thousands) 2016 2015 Effective Yield Method Tax credits and other tax benefits recognized $ 3,516 $ 3,389 Amortization Expense in Provision for Income Taxes 2,174 1,893 Proportional Amortization Method Tax credits and other tax benefits recognized $ 259 $ — Amortization Expense in Provision for Income Taxes 200 — There were no sales or impairment losses of LIHTC investments for the three months ended March 31, 2016 and 2015 .

Balance Sheet Offsetting

Balance Sheet Offsetting	3 Months Ended
	Mar. 31, 2016
Offsetting [Abstract]
Balance Sheet Offsetting	Balance Sheet Offsetting Interest Rate Swap Agreements (“Swap Agreements”) The Company enters into swap agreements to facilitate the risk management strategies of a small number of commercial banking customers. The Company mitigates the risk of entering into these agreements by entering into equal and offsetting swap agreements with highly-rated third party financial institutions. The swap agreements are free-standing derivatives and are recorded at fair value in the Company's consolidated statements of condition (asset positions are included in other assets and liability positions are included in other liabilities). The Company is party to master netting arrangements with its financial institution counterparties; however, the Company does not offset assets and liabilities under these arrangements for financial statement presentation purposes. The master netting arrangements provide for a single net settlement of all swap agreements, as well as collateral, in the event of default on, or termination of, any one contract. Collateral, usually in the form of marketable securities, is posted by the counterparty with net liability positions in accordance with contract thresholds. The Company had net liability positions with its financial institution counterparties totaling $15.3 million and $13.1 million as of March 31, 2016 and December 31, 2015 , respectively. See Note 11 Derivative Financial Instruments for more information. Securities Sold Under Agreements to Repurchase (“Repurchase Agreements”) The Company enters into agreements under which it sells securities subject to an obligation to repurchase the same or similar securities. Under these arrangements, the Company may transfer legal control over the assets but still retain effective control through an agreement that both entitles and obligates the Company to repurchase the assets. As a result, these repurchase agreements are accounted for as collateralized financing arrangements (i.e., secured borrowings) and not as sales and subsequent repurchases of securities. The obligation to repurchase the securities is reflected as a liability in the Company's consolidated statements of condition, while the securities underlying the repurchase agreements remain in the respective investment securities asset accounts. As a result, there is no offsetting or netting of the investment securities assets with the repurchase agreement liabilities. In addition, as the Company does not enter into reverse repurchase agreements, there is no such offsetting to be done with the repurchase agreements. The right of setoff for a repurchase agreement resembles a secured borrowing, whereby the collateral pledged by the Company would be used to settle the fair value of the repurchase agreement should the Company be in default (e.g., fail to make an interest payment to the counterparty). For private institution repurchase agreements, if the private institution counterparty were to default (e.g., declare bankruptcy), the Company could cancel the repurchase agreement (i.e., cease payment of principal and interest) and attempt collection on the amount of collateral value in excess of the repurchase agreement fair value. The collateral is held by a third party financial institution in the counterparty's custodial account. The counterparty has the right to sell or repledge the investment securities. For government entity repurchase agreements, the collateral is held by the Company in a segregated custodial account under a tri-party agreement. The Company is required by the counterparty to maintain adequate collateral levels. In the event the collateral fair value falls below stipulated levels, the Company will pledge additional securities. The Company closely monitors collateral levels to ensure adequate levels are maintained, while mitigating the potential risk of over-collateralization in the event of counterparty default. The following table presents the remaining contractual maturities of the Company’s repurchase agreements as of March 31, 2016 and December 31, 2015 , respectively, disaggregated by the class of collateral pledged. Remaining Contractual Maturity of Repurchase Agreements (dollars in thousands) Up to 91-365 days 1-3 Years After Total March 31, 2016 Class of Collateral Pledged: Debt Securities Issued by the U.S. Treasury and Government Agencies $ — $ — $ 200,000 $ 110,533 $ 310,533 Debt Securities Issued by States and Political Subdivisions 1,487 8,347 — — 9,834 Mortgage-Backed Securities: Residential - Government Agencies — 53,087 — 96,457 149,544 Residential - U.S. Government-Sponsored Enterprises — 23,864 — 93,010 116,874 Total $ 1,487 $ 85,298 $ 200,000 $ 300,000 $ 586,785 December 31, 2015 Class of Collateral Pledged: Debt Securities Issued by the U.S. Treasury and Government Agencies $ — $ — $ 200,000 $ 110,313 $ 310,313 Debt Securities Issued by States and Political Subdivisions 47,915 4,692 100 — 52,707 Mortgage-Backed Securities: Residential - Government Agencies 1,150 51,169 — 102,919 155,238 Residential - U.S. Government-Sponsored Enterprises — 23,831 — 86,768 110,599 Total $ 49,065 $ 79,692 $ 200,100 $ 300,000 $ 628,857 The following table presents the assets and liabilities subject to an enforceable master netting arrangement, or repurchase agreements, as of March 31, 2016 and December 31, 2015 . The swap agreements we have with our commercial banking customers are not subject to an enforceable master netting arrangement, and therefore, are excluded from this table. (i) (ii) (iii) = (i)-(ii) (iv) (v) = (iii)-(iv) Gross Amounts Recognized in the Statements of Condition Gross Amounts Offset in the Statements of Condition Net Amounts Presented in the Statements of Condition Gross Amounts Not Offset in the Statements of Condition (dollars in thousands) Netting Adjustments per Master Netting Arrangements Fair Value of Collateral Pledged 1 Net Amount March 31, 2016 Assets: Interest Rate Swap Agreements: Institutional Counterparties $ 193 $ — $ 193 $ 193 $ — $ — Liabilities: Interest Rate Swap Agreements: Institutional Counterparties 15,533 — 15,533 193 — 15,340 Repurchase Agreements: Private Institutions 575,000 — 575,000 — 575,000 — Government Entities 11,785 — 11,785 — 11,785 — $ 586,785 $ — $ 586,785 $ — $ 586,785 $ — December 31, 2015 Assets: Interest Rate Swap Agreements: Institutional Counterparties $ 261 $ — $ 261 $ 261 $ — $ — Liabilities: Interest Rate Swap Agreements: Institutional Counterparties 13,312 — 13,312 261 — 13,051 Repurchase Agreements: Private Institutions 575,000 — 575,000 — 575,000 — Government Entities 53,857 — 53,857 — 53,857 — $ 628,857 $ — $ 628,857 $ — $ 628,857 $ — 1 The application of collateral cannot reduce the net amount below zero. Therefore, excess collateral is not reflected in this table. For repurchase agreements with private institutions, the fair value of investment securities pledged was $663.5 million and $663.2 million as of March 31, 2016 and December 31, 2015 , respectively. For repurchase agreements with government entities, the fair value of investment securities pledged was $16.1 million and $66.9 million as of March 31, 2016 and December 31, 2015 , respectively.

Accumulated Other Comprehensive

Accumulated Other Comprehensive Income (Loss)	3 Months Ended
	Mar. 31, 2016
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Accumulated Other Comprehensive Income (Loss)	Accumulated Other Comprehensive Income (Loss) The following table presents the components of other comprehensive income (loss) for the three months ended March 31, 2016 and 2015 : (dollars in thousands) Before Tax Tax Effect Net of Tax Three Months Ended March 31, 2016 Net Unrealized Gains (Losses) on Investment Securities: Net Unrealized Gains (Losses) Arising During the Period $ 13,944 $ 5,505 $ 8,439 Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) that (Increase) Decrease Net Income: Amortization of Unrealized Holding (Gains) Losses on Held-to-Maturity Securities 1 422 167 255 Net Unrealized Gains (Losses) on Investment Securities 14,366 5,672 8,694 Defined Benefit Plans: Amortization of Net Actuarial Losses (Gains) 314 124 190 Amortization of Prior Service Credit (81 ) (32 ) (49 ) Defined Benefit Plans, Net 233 92 141 Other Comprehensive Income (Loss) $ 14,599 $ 5,764 $ 8,835 Three Months Ended March 31, 2015 Net Unrealized Gains (Losses) on Investment Securities: Net Unrealized Gains (Losses) Arising During the Period $ 8,711 $ 3,435 $ 5,276 Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) that (Increase) Decrease Net Income: Amortization of Unrealized Holding (Gains) Losses on Held-to-Maturity Securities 1 30 12 18 Net Unrealized Gains (Losses) on Investment Securities 8,741 3,447 5,294 Defined Benefit Plans: Amortization of Net Actuarial Losses (Gains) 443 174 269 Amortization of Prior Service Credit (81 ) (32 ) (49 ) Defined Benefit Plans, Net 362 142 220 Other Comprehensive Income (Loss) $ 9,103 $ 3,589 $ 5,514 1 The amount relates to the amortization/accretion of unrealized net gains and losses related to the Company's reclassification of available-for-sale investment securities to the held-to-maturity category. The unrealized net gains/losses will be amortized/accreted over the remaining life of the investment securities as an adjustment of yield. The following table presents the changes in each component of accumulated other comprehensive income (loss), net of tax, for the three months ended March 31, 2016 and 2015 : (dollars in thousands) Investment Securities-Available-for-Sale Investment Securities-Held-to-Maturity Defined Benefit Plans Accumulated Other Comprehensive Income (Loss) Three Months Ended March 31, 2016 Balance at Beginning of Period $ 12,559 $ (7,255 ) $ (28,861 ) $ (23,557 ) Other Comprehensive Income (Loss) Before Reclassifications 8,439 — — 8,439 Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) — 255 141 396 Total Other Comprehensive Income (Loss) 8,439 255 141 8,835 Balance at End of Period $ 20,998 $ (7,000 ) $ (28,720 ) $ (14,722 ) Three Months Ended March 31, 2015 Balance at Beginning of Period $ 15,984 $ (8,555 ) $ (34,115 ) $ (26,686 ) Other Comprehensive Income (Loss) Before Reclassifications 5,276 — — 5,276 Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) — 18 220 238 Total Other Comprehensive Income (Loss) 5,276 18 220 5,514 Balance at End of Period $ 21,260 $ (8,537 ) $ (33,895 ) $ (21,172 ) The following table presents the amounts reclassified out of each component of accumulated other comprehensive income (loss) for the three months ended March 31, 2016 and 2015 : Details about Accumulated Other Comprehensive Income (Loss) Components Amount Reclassified from Accumulated Other Comprehensive Income (Loss) 1 Affected Line Item in the Statement Where Net Income Is Presented Three Months Ended March 31, (dollars in thousands) 2016 2015 Amortization of Unrealized Holding Gains (Losses) on Investment Securities Held-to-Maturity $ (422 ) $ (30 ) Interest Income 167 12 Provision for Income Tax (255 ) (18 ) Net of Tax Amortization of Defined Benefit Plan Items Prior Service Credit 2 81 81 Net Actuarial Losses 2 (314 ) (443 ) (233 ) (362 ) Total Before Tax 92 142 Provision for Income Tax (141 ) (220 ) Net of Tax Total Reclassifications for the Period $ (396 ) $ (238 ) Net of Tax 1 Amounts in parentheses indicate reductions to net income. 2 These accumulated other comprehensive income (loss) components are included in the computation of net periodic benefit cost and are included in Salaries and Benefits on the consolidated statements of income (see Note 10 Pension Plans and Postretirement Benefit Plan for additional details).

Earnings Per Share

Earnings Per Share	3 Months Ended
	Mar. 31, 2016
Earnings Per Share [Abstract]
Earnings Per Share	Earnings Per Share There were no adjustments to net income, the numerator, for purposes of computing earnings per share. The following is a reconciliation of the weighted average number of common shares outstanding for computing diluted earnings per share and antidilutive stock options and restricted stock outstanding for the three months ended March 31, 2016 and 2015 : Three Months Ended 2016 2015 Denominator for Basic Earnings Per Share 42,920,794 43,386,402 Dilutive Effect of Equity Based Awards 205,732 211,102 Denominator for Diluted Earnings Per Share 43,126,526 43,597,504 Antidilutive Stock Options and Restricted Stock Outstanding 28,224 —

Business Segments

Business Segments	3 Months Ended
	Mar. 31, 2016
Segment Reporting [Abstract]
Business Segments	Business Segments The Company’s business segments are defined as Retail Banking, Commercial Banking, Investment Services, and Treasury and Other. The Company’s internal management accounting process measures the performance of these business segments. This process, which is not necessarily comparable with the process used by any other financial institution, uses various techniques to assign balance sheet and income statement amounts to the business segments, including allocations of income, expense, the provision for credit losses, and capital. This process is dynamic and requires certain allocations based on judgment and other subjective factors. Unlike financial accounting, there is no comprehensive authoritative guidance for management accounting that is equivalent to GAAP. Previously reported results have been reclassified to conform to the current reporting structure. The net interest income of the business segments reflects the results of a funds transfer pricing process that matches assets and liabilities with similar interest rate sensitivity and maturity characteristics and reflects the allocation of net interest income related to the Company’s overall asset and liability management activities on a proportionate basis. The basis for the allocation of net interest income is a function of the Company’s assumptions that are subject to change based on changes in current interest rates and market conditions. Funds transfer pricing also serves to transfer interest rate risk to Treasury. However, the other business segments have some latitude to retain certain interest rate exposures related to customer pricing decisions within guidelines. The provision for credit losses reflects the actual net charge-offs of the business segments. The amount of the consolidated provision for loan and lease losses is based on the methodology that we use to estimate our consolidated Allowance. The residual provision for credit losses to arrive at the consolidated provision for credit losses is included in Treasury and Other. Noninterest income and expense includes allocations from support units to business units. These allocations are based on actual usage where practicably calculated or by management’s estimate of such usage. The provision for income taxes is allocated to business segments using a 37% effective income tax rate. However, the provision for income taxes for our Leasing business unit (included in the Commercial Banking segment) and Auto Leasing portfolio and Pacific Century Life Insurance business unit (both included in the Retail Banking segment) are assigned their actual effective income tax rates due to the unique relationship that income taxes have with their products. The residual income tax expense or benefit to arrive at the consolidated effective income tax rate is included in Treasury and Other. Retail Banking Retail Banking offers a broad range of financial products and services to consumers and small businesses. Loan and lease products include residential mortgage loans, home equity lines of credit, automobile loans and leases, personal lines of credit, installment loans, small business loans and leases, and credit cards. Deposit products include checking, savings, and time deposit accounts. Retail Banking also offers retail insurance products. Products and services from Retail Banking are delivered to customers through 70 branch locations and 452 ATMs throughout Hawaii and the Pacific Islands, e-Bankoh (on-line banking service), a 24-hour customer service center, and a mobile banking service. Commercial Banking Commercial Banking offers products including corporate banking, commercial real estate loans, commercial lease financing, auto dealer financing, and deposit products. Commercial lending and deposit products are offered to middle-market and large companies in Hawaii and the Pacific Islands. Commercial real estate mortgages focus on customers that include investors, developers, and builders predominantly domiciled in Hawaii. Commercial Banking also includes international banking and provides merchant services to its small business customers. Investment Services Investment Services includes private banking and international client banking, trust services, investment management, and institutional investment advisory services. A significant portion of this segment’s income is derived from fees, which are generally based on the market values of assets under management. The private banking and personal trust group assists individuals and families in building and preserving their wealth by providing investment, credit, and trust services to high-net-worth individuals. The investment management group manages portfolios utilizing a variety of investment products. Institutional client services offer investment advice to corporations, government entities, and foundations. This segment also provides a full service brokerage offering equities, mutual funds, life insurance, and annuity products. Treasury and Other Treasury consists of corporate asset and liability management activities, including interest rate risk management and a foreign currency exchange business. This segment’s assets and liabilities (and related interest income and expense) consist of interest-bearing deposits, investment securities, federal funds sold and purchased, government deposits, and short and long-term borrowings. The primary sources of noninterest income are from bank-owned life insurance, net gains from the sale of investment securities, and foreign exchange income related to customer-driven currency requests from merchants and island visitors. The net residual effect of the transfer pricing of assets and liabilities is included in Treasury, along with the elimination of intercompany transactions. Other organizational units (Technology, Operations, Marketing, Human Resources, Finance, Credit and Risk Management, and Corporate and Regulatory Administration) provide a wide-range of support to the Company’s other income earning segments. Expenses incurred by these support units are charged to the business segments through an internal cost allocation process. Selected business segment financial information as of and for the three months ended March 31, 2016 and 2015 were as follows: (dollars in thousands) Retail Banking Commercial Banking Investment Services Treasury and Other Consolidated Total Three Months Ended March 31, 2016 Net Interest Income $ 58,010 $ 38,348 $ 6,452 $ 214 $ 103,024 Provision for Credit Losses 2,835 (6,626 ) (6 ) 1,797 (2,000 ) Net Interest Income After Provision for Credit Losses 55,175 44,974 6,458 (1,583 ) 105,024 Noninterest Income 20,807 7,600 14,024 13,776 56,207 Noninterest Expense (52,741 ) (17,268 ) (15,427 ) (1,950 ) (87,386 ) Income Before Provision for Income Taxes 23,241 35,306 5,055 10,243 73,845 Provision for Income Taxes (8,227 ) (12,656 ) (1,870 ) (882 ) (23,635 ) Net Income $ 15,014 $ 22,650 $ 3,185 $ 9,361 $ 50,210 Total Assets as of March 31, 2016 $ 4,763,749 $ 3,196,413 $ 284,891 $ 7,409,642 $ 15,654,695 Three Months Ended March 31, 2015 Net Interest Income $ 48,349 $ 34,274 $ 4,300 $ 9,847 $ 96,770 Provision for Credit Losses 1,723 (464 ) (8 ) (1,251 ) — Net Interest Income After Provision for Credit Losses 46,626 34,738 4,308 11,098 96,770 Noninterest Income 19,108 5,651 14,726 12,822 52,307 Noninterest Expense (50,340 ) (17,886 ) (14,590 ) (4,099 ) (86,915 ) Income Before Provision for Income Taxes 15,394 22,503 4,444 19,821 62,162 Provision for Income Taxes (5,526 ) (7,865 ) (1,644 ) (4,685 ) (19,720 ) Net Income $ 9,868 $ 14,638 $ 2,800 $ 15,136 $ 42,442 Total Assets as of March 31, 2015 $ 4,239,641 $ 2,910,911 $ 188,399 $ 7,800,228 $ 15,139,179

Pension Plans and Postretiremen

Pension Plans and Postretirement Benefit Plan	3 Months Ended
	Mar. 31, 2016
Compensation and Retirement Disclosure [Abstract]
Pension Plans and Postretirement Benefit Plan	Pension Plans and Postretirement Benefit Plan Components of net periodic benefit cost for the Company’s pension plans and the postretirement benefit plan are presented in the following table for the three months ended March 31, 2016 and 2015 . Pension Benefits Postretirement Benefits (dollars in thousands) 2016 2015 2016 2015 Three Months Ended March 31, Service Cost $ — $ — $ 137 $ 182 Interest Cost 1,209 1,186 294 324 Expected Return on Plan Assets (1,281 ) (1,304 ) — — Amortization of: Prior Service Credit — — (81 ) (81 ) Net Actuarial Losses (Gains) 389 443 (75 ) — Net Periodic Benefit Cost $ 317 $ 325 $ 275 $ 425 The net periodic benefit cost for the Company’s pension plans and postretirement benefit plan are recorded as a component of salaries and benefits in the consolidated statements of income. For the three months ended March 31, 2016 , the Company contributed $0.1 million to the pension plans and $0.2 million to the postretirement benefit plan. The Company expects to contribute $0.5 million to the pension plans and $1.0 million to the postretirement benefit plan for the year ending December 31, 2016 .

Derivative Financial Instrument

Derivative Financial Instruments	3 Months Ended
	Mar. 31, 2016
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative Financial Instruments	Derivative Financial Instruments The notional amount and fair value of the Company's derivative financial instruments as of March 31, 2016 and December 31, 2015 were as follows: March 31, 2016 December 31, 2015 (dollars in thousands) Notional Amount Fair Value Notional Amount Fair Value Interest Rate Lock Commitments $ 7,965 $ 415 $ 4,375 $ 270 Forward Commitments 20,118 (115 ) 5,862 4 Interest Rate Swap Agreements Receive Fixed/Pay Variable Swaps 215,103 15,296 203,667 13,021 Pay Fixed/Receive Variable Swaps 215,103 (15,340 ) 203,667 (13,051 ) Foreign Exchange Contracts 33,997 108 42,777 104 The following table presents the Company’s derivative financial instruments, their fair values, and balance sheet location as of March 31, 2016 and December 31, 2015 : Derivative Financial Instruments March 31, 2016 December 31, 2015 Not Designated as Hedging Instruments 1 Asset Liability Asset Liability (dollars in thousands) Derivatives Derivatives Derivatives Derivatives Interest Rate Lock Commitments $ 415 $ — $ 270 $ — Forward Commitments — 115 5 1 Interest Rate Swap Agreements 15,681 15,725 13,543 13,573 Foreign Exchange Contracts 125 17 149 45 Total $ 16,221 $ 15,857 $ 13,967 $ 13,619 1 Asset derivatives are included in other assets and liability derivatives are included in other liabilities in the consolidated statements of condition. The following table presents the Company’s derivative financial instruments and the amount and location of the net gains or losses recognized in the consolidated statements of income for the three months ended March 31, 2016 and 2015 : Location of Derivative Financial Instruments Net Gains (Losses) Three Months Ended Not Designated as Hedging Instruments Recognized in the March 31, (dollars in thousands) Statements of Income 2016 2015 Interest Rate Lock Commitments Mortgage Banking $ 986 $ 587 Forward Commitments Mortgage Banking (478 ) 22 Interest Rate Swap Agreements Other Noninterest Income 109 — Foreign Exchange Contracts Other Noninterest Income 709 649 Total $ 1,326 $ 1,258 Management has received authorization from the Bank’s Board of Directors to use derivative financial instruments as an end-user in connection with the Bank's risk management activities and to accommodate the needs of the Bank's customers. As with any financial instrument, derivative financial instruments have inherent risks. Market risk is defined as the risk of adverse financial impact due to fluctuations in interest rates, foreign exchange rates, and equity prices. Market risks associated with derivative financial instruments are balanced with the expected returns to enhance earnings performance and shareholder value, while limiting the volatility of each. The Company uses various processes to monitor its overall market risk exposure, including sensitivity analysis, value-at-risk calculations, and other methodologies. Derivative financial instruments are also subject to credit and counterparty risk, which is defined as the risk of financial loss if a borrower or counterparty is either unable or unwilling to repay borrowings or settle transactions in accordance with the underlying contractual terms. Credit and counterparty risks associated with derivative financial instruments are similar to those relating to traditional financial instruments. The Company manages derivative credit and counterparty risk by evaluating the creditworthiness of each borrower or counterparty, adhering to the same credit approval process used for commercial lending activities. As of March 31, 2016 and December 31, 2015 , the Company did not designate any derivative financial instruments as formal hedging relationships. The Company’s free-standing derivative financial instruments are required to be carried at their fair value on the Company’s consolidated statements of condition. These financial instruments have been limited to interest rate lock commitments (“IRLCs”), forward commitments, interest rate swap agreements, foreign exchange contracts, and conversion rate swap agreements. The Company enters into IRLCs for residential mortgage loans which commit us to lend funds to a potential borrower at a specific interest rate and within a specified period of time. IRLCs that relate to the origination of mortgage loans that will be held for sale are considered derivative financial instruments under applicable accounting guidance. Outstanding IRLCs expose the Company to the risk that the price of the mortgage loans underlying the commitments may decline due to increases in mortgage interest rates from inception of the rate lock to the funding of the loan. To mitigate this risk, the Company utilizes forward commitments as economic hedges against the potential decreases in the values of the loans held for sale. IRLCs and forward commitments are free-standing derivatives which are carried at fair value with changes recorded in the mortgage banking component of noninterest income in the Company’s consolidated statements of income. The Company enters into interest rate swap agreements to facilitate the risk management strategies of a small number of commercial banking customers. The Company mitigates the risk of entering into these agreements by entering into equal and offsetting interest rate swap agreements with highly rated third party financial institutions. The interest rate swap agreements are free-standing derivatives and are recorded at fair value in the Company's consolidated statements of condition. Fair value changes are recorded in other noninterest income in the Company’s consolidated statements of income. The Company is party to master netting arrangements with its financial institution counterparties; however, the Company does not offset assets and liabilities under these arrangements for financial statement presentation purposes. Collateral, usually in the form of marketable securities, is posted by the counterparty with net liability positions in accordance with contract thresholds. See Note 6 Balance Sheet Offsetting for more information. The Company’s interest rate swap agreements with institutional counterparties contain credit-risk-related contingent features tied to the Company’s debt ratings or capitalization levels. Under these provisions, if the Company’s debt rating falls below investment grade or if the Company’s capitalization levels fall below stipulated thresholds, certain counterparties may require immediate and ongoing collateralization on interest rate swaps in net liability positions, or may require immediate settlement of the contracts. As of March 31, 2016 , the Company’s debt ratings and capital levels were in excess of these minimum requirements. The Company utilizes foreign exchange contracts to offset risks related to transactions executed on behalf of customers. The foreign exchange contracts are free-standing derivatives which are carried at fair value with changes included in other noninterest income in the Company’s consolidated statements of income. As each sale of Visa Class B restricted shares was completed, the Company entered into a conversion rate swap agreement with the buyer that requires payment to the buyer in the event Visa further reduces the conversion ratio of Class B into Class A unrestricted common shares. In the event of Visa increasing the conversion ratio, the buyer would be required to make payment to the Company. As of March 31, 2016 , the conversion rate swap agreement was valued at zero (i.e., no contingent liability recorded) as further reductions to the conversion ratio were deemed neither probable nor reasonably estimable by management. See Note 2 Investment Securities for more information.

Commitments, Contingencies, and

Commitments, Contingencies, and Guarantees	3 Months Ended
	Mar. 31, 2016
Commitments and Contingencies Disclosure [Abstract]
Commitments, Contingencies, and Guarantees	Commitments, Contingencies, and Guarantees The Company’s credit commitments as of March 31, 2016 and December 31, 2015 were as follows: (dollars in thousands) March 31, December 31, Unfunded Commitments to Extend Credit $ 2,613,922 $ 2,604,429 Standby Letters of Credit 58,528 48,153 Commercial Letters of Credit 17,286 15,867 Total Credit Commitments $ 2,689,736 $ 2,668,449 Unfunded Commitments to Extend Credit Commitments to extend credit are agreements to lend to a customer as long as there is no violation of the terms or conditions established in the contract. Commitments generally have fixed expiration dates or other termination clauses and may require payment of a fee. Since commitments may expire without being drawn, the total commitment amount does not necessarily represent future cash requirements. Standby and Commercial Letters of Credit Standby letters of credit are conditional commitments issued by the Company to guarantee the performance of a customer to a third party. Standby letters of credit generally become payable upon the failure of the customer to perform according to the terms of the underlying contract with the third party, while commercial letters of credit are issued specifically to facilitate commerce and typically result in the commitment being drawn on when the underlying transaction is consummated between the customer and a third party. The contractual amount of these letters of credit represents the maximum potential future payments guaranteed by the Company. The Company has recourse against the customer for any amount it is required to pay to a third party under a standby letter of credit, and generally holds cash or deposits as collateral on those standby letters of credit for which collateral is deemed necessary. Contingencies The Company is subject to various pending and threatened legal proceedings arising out of the normal course of business or operations. On at least a quarterly basis, the Company assesses its liabilities and contingencies in connection with outstanding legal proceedings utilizing the most recent information available. On a case-by-case basis, reserves are established for those legal claims for which it is probable that a loss will be incurred and the amount of such loss can be reasonably estimated. Based on information currently available, management believes that the eventual outcome of these other actions against the Company will not be materially in excess of such amounts reserved by the Company. However, in the event of unexpected future developments, it is possible that the ultimate resolution of those matters may result in a loss that materially exceeds the reserves established by the Company. Risks Related to Representation and Warranty Provisions The Company sells residential mortgage loans in the secondary market primarily to the Federal National Mortgage Association ("Fannie Mae"). The Company also pools Federal Housing Administration (“FHA”) insured and U.S. Department of Veterans Affairs (“VA”) guaranteed residential mortgage loans for sale to the Government National Mortgage Corporation ("Ginnie Mae"). These pools of FHA-insured and VA-guaranteed residential mortgage loans are securitized by Ginnie Mae. The agreements under which the Company sells residential mortgage loans to Fannie Mae or Ginnie Mae and the insurance or guaranty agreements with FHA and VA contain provisions that include various representations and warranties regarding the origination and characteristics of the residential mortgage loans. Although the specific representations and warranties vary among investors, insurance or guarantee agreements, they typically cover ownership of the loan, validity of the lien securing the loan, the absence of delinquent taxes or liens against the property securing the loan, compliance with loan criteria set forth in the applicable agreement, compliance with applicable federal, state, and local laws, and other matters. As of March 31, 2016 , the unpaid principal balance of residential mortgage loans sold by the Company was $2.5 billion . The agreements under which the Company sells residential mortgage loans require delivery of various documents to the investor or its document custodian. Although these loans are primarily sold on a non-recourse basis, the Company may be obligated to repurchase residential mortgage loans or reimburse investors for losses incurred if a loan review reveals that underwriting and documentation standards were potentially not met. Some agreements may require the Company to repurchase delinquent loans. Upon receipt of a repurchase request, the Company works with investors or insurers to arrive at a mutually agreeable resolution. Repurchase demands are typically reviewed on an individual loan-by-loan basis to validate the claims made by the investor or insurer and to determine if a contractually required repurchase event has occurred. The Company manages the risk associated with potential repurchases or other forms of settlement through its underwriting and quality assurance practices and by servicing mortgage loans to meet investor and secondary market standards. During the three months ended March 31, 2016 , there were no residential mortgage loans repurchased as a result of the representation and warranty provisions contained in these contracts. As of March 31, 2016 , there were no pending repurchase requests related to representation and warranty provisions. Risks Relating to Residential Mortgage Loan Servicing Activities In addition to servicing loans in the Company's portfolio, substantially all of the loans the Company sells to investors are sold with servicing rights retained. The Company also services loans originated by other mortgage loan originators. As servicer, the Company's primary duties are to: (1) collect payments due from borrowers; (2) advance certain delinquent payments of principal and interest; (3) maintain and administer any hazard, title, or primary mortgage insurance policies relating to the mortgage loans; (4) maintain any required escrow accounts for payment of taxes and insurance and administer escrow payments; and (5) foreclose on defaulted mortgage loans or, to the extent consistent with the documents governing a securitization, consider alternatives to foreclosure, such as loan modifications or short sales. Each agreement under which the Company acts as servicer generally specifies a standard of responsibility for actions taken by the Company in such capacity and provides protection against expenses and liabilities incurred by the Company when acting in compliance with the respective servicing agreements. However, if the Company commits a material breach of obligations as servicer, the Company may be subject to termination if the breach is not cured within a specified period following notice. The standards governing servicing and the possible remedies for violations of such standards vary by investor. These standards and remedies are determined by servicing guides issued by the investors as well as the contract provisions established between the investors and the Company. Remedies could include repurchase of an affected loan. For the three months ended March 31, 2016 , there were no loans repurchased related to loan servicing activities. As of March 31, 2016 , there were no pending repurchase requests related to loan servicing activities. Although to date repurchase requests related to representation and warranty provisions and servicing activities have been limited, it is possible that requests to repurchase mortgage loans may increase in frequency as investors more aggressively pursue all means of recovering losses on their purchased loans. However, as of March 31, 2016 , management believes that this exposure is not material due to the historical level of repurchase requests and loss trends and thus has not established a liability for losses related to mortgage loan repurchases. As of March 31, 2016 , 99% of the Company's residential mortgage loans serviced for investors were current. The Company maintains ongoing communications with investors and continues to evaluate this exposure by monitoring the level and number of repurchase requests as well as the delinquency rates in the loans sold to investors.

Fair Value of Assets and Liabil

Fair Value of Assets and Liabilities	3 Months Ended
	Mar. 31, 2016
Fair Value Disclosures [Abstract]
Fair Value of Assets and Liabilities	Fair Value of Assets and Liabilities Fair Value Hierarchy Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in the principal or most advantageous market for an asset or liability in an orderly transaction between market participants at the measurement date. GAAP established a fair value hierarchy that prioritizes the use of inputs used in valuation methodologies into the following three levels: Level 1: Inputs to the valuation methodology are quoted prices, unadjusted, for identical assets or liabilities in active markets. A quoted price in an active market provides the most reliable evidence of fair value and is used to measure fair value whenever available. A contractually binding sales price also provides reliable evidence of fair value. Level 2: Inputs to the valuation methodology include quoted prices for similar assets or liabilities in active markets; inputs to the valuation methodology include quoted prices for identical or similar assets or liabilities in markets that are not active; or inputs to the valuation methodology that utilize model-based techniques for which all significant assumptions are observable in the market. Level 3: Inputs to the valuation methodology are unobservable and significant to the fair value measurement; inputs to the valuation methodology that utilize model-based techniques for which significant assumptions are not observable in the market; or inputs to the valuation methodology that require significant management judgment or estimation, some of which may be internally developed. Management maximizes the use of observable inputs and minimizes the use of unobservable inputs when determining fair value measurements. Management reviews and updates the fair value hierarchy classifications of the Company’s assets and liabilities on a quarterly basis. Assets and Liabilities Measured at Fair Value on a Recurring Basis Investment Securities Available-for-Sale Fair values of investment securities available-for-sale were primarily measured using information from a third-party pricing service. This service provides pricing information by utilizing evaluated pricing models supported with market data information. Standard inputs include benchmark yields, reported trades, broker/dealer quotes, issuer spreads, two-sided markets, benchmark securities, bids, offers, and reference data from market research publications. Level 1 investment securities are comprised of debt securities issued by the U.S. Treasury, as quoted prices were available, unadjusted, for identical securities in active markets. Level 2 investment securities were primarily comprised of debt securities issued by the Small Business Administration, states and municipalities, corporations, as well as mortgage-backed securities issued by government agencies and government-sponsored enterprises. Fair values were estimated primarily by obtaining quoted prices for similar assets in active markets or through the use of pricing models. In cases where there may be limited or less transparent information provided by the Company’s third-party pricing service, fair value may be estimated by the use of secondary pricing services or through the use of non-binding third-party broker quotes. On a quarterly basis, management reviews the pricing information received from the Company’s third-party pricing service. This review process includes a comparison to non-binding third-party broker quotes, as well as a review of market-related conditions impacting the information provided by the Company’s third-party pricing service. Management primarily identifies investment securities which may have traded in illiquid or inactive markets by identifying instances of a significant decrease in the volume or frequency of trades, relative to historical levels, as well as instances of a significant widening of the bid-ask spread in the brokered markets. Investment securities that are deemed to have been trading in illiquid or inactive markets may require the use of significant unobservable inputs to determine fair value. As of March 31, 2016 and December 31, 2015 , management did not make adjustments to prices provided by the third-party pricing service as a result of illiquid or inactive markets. On a quarterly basis, management also reviews a sample of securities priced by the Company’s third-party pricing service to review the significant assumptions and valuation methodologies used by the service. Based on this review, management determines whether the current placement of the security in the fair value hierarchy is appropriate or whether transfers may be warranted. The Company’s third-party pricing service has also established processes for us to submit inquiries regarding quoted prices. Periodically, we will challenge the quoted prices provided by our third-party pricing service. The Company’s third-party pricing service will review the inputs to the evaluation in light of the new market data presented by us. The Company’s third-party pricing service may then affirm the original quoted price or may update the evaluation on a going-forward basis. Loans Held for Sale The fair value of the Company’s residential mortgage loans held for sale was determined based on quoted prices for similar loans in active markets, and therefore, is classified as a Level 2 measurement. Mortgage Servicing Rights Mortgage servicing rights do not trade in an active market with readily observable market data. As a result, the Company estimates the fair value of mortgage servicing rights by using a discounted cash flow model to calculate the present value of estimated future net servicing income. The Company stratifies its mortgage servicing portfolio on the basis of loan type. The assumptions used in the discounted cash flow model are those that we believe market participants would use in estimating future net servicing income. Significant assumptions in the valuation of mortgage servicing rights include estimated loan repayment rates, the discount rate, servicing costs, and the timing of cash flows, among other factors. Mortgage servicing rights are classified as Level 3 measurements due to the use of significant unobservable inputs, as well as significant management judgment and estimation. Other Assets Other assets recorded at fair value on a recurring basis are primarily comprised of investments related to deferred compensation arrangements. Quoted prices for these investments, primarily in mutual funds, are available in active markets. Thus, the Company’s investments related to deferred compensation arrangements are classified as Level 1 measurements in the fair value hierarchy. Derivative Financial Instruments Derivative financial instruments recorded at fair value on a recurring basis are comprised of interest rate lock commitments (“IRLCs”), forward commitments, interest rate swap agreements, foreign exchange contracts, and Visa Class B to Class A shares conversion rate swap agreements. The fair values of IRLCs are calculated based on the value of the underlying loan held for sale, which in turn is based on quoted prices for similar loans in the secondary market. However, this value is adjusted by a factor which considers the likelihood that the loan in a locked position will ultimately close. This factor, the closing ratio, is derived from the Bank’s internal data and is adjusted using significant management judgment. As such, IRLCs are classified as Level 3 measurements. Forward commitments are classified as Level 2 measurements as they are primarily based on quoted prices from the secondary market based on the settlement date of the contracts, interpolated or extrapolated, if necessary, to estimate a fair value as of the end of the reporting period. The fair values of interest rate swap agreements are calculated using a discounted cash flow approach and utilize Level 2 observable inputs such as the LIBOR swap curve, effective date, maturity date, notional amount, and stated interest rate. In addition, the Company includes in its fair value calculation a credit factor adjustment which is based primarily on management judgment. Thus, interest rate swap agreements are classified as a Level 3 measurement. The fair values of foreign exchange contracts are calculated using the Bank’s multi-currency accounting system which utilizes contract specific information such as currency, maturity date, contractual amount, and strike price, along with market data information such as the spot rates of specific currency and yield curves. Foreign exchange contracts are classified as Level 2 measurements because while they are valued using the Bank’s multi-currency accounting system, significant management judgment or estimation is not required. The fair value of the Visa Class B restricted shares to Class A unrestricted common shares conversion rate swap agreements represent the amount owed by the Company to the buyer of the Visa Class B shares as a result of a reduction of the conversion ratio subsequent to the sales date. As of March 31, 2016 and December 31, 2015 , the conversion rate swap agreement was valued at zero as reductions to the conversion ratio were neither probable nor reasonably estimable by management. These conversion rate swap agreements are classified as a Level 2 measurement. See Note 11 Derivative Financial Instruments for more information. The Company is exposed to credit risk if borrowers or counterparties fail to perform. The Company seeks to minimize credit risk through credit approvals, limits, monitoring procedures, and collateral requirements. The Company generally enters into transactions with borrowers and counterparties that carry high quality credit ratings. Credit risk associated with borrowers or counterparties as well as the Company’s non-performance risk is factored into the determination of the fair value of derivative financial instruments. The table below presents the balances of assets and liabilities measured at fair value on a recurring basis as of March 31, 2016 and December 31, 2015 : Quoted Prices in Active Markets for Identical Assets or Liabilities Significant Other Observable Inputs Significant Unobservable Inputs (dollars in thousands) (Level 1) (Level 2) (Level 3) Total March 31, 2016 Assets: Investment Securities Available-for-Sale Debt Securities Issued by the U.S. Treasury and Government Agencies $ 546 $ 434,572 $ — $ 435,118 Debt Securities Issued by States and Political Subdivisions — 708,220 — 708,220 Debt Securities Issued by Corporations — 308,742 — 308,742 Mortgage-Backed Securities: Residential - Government Agencies — 287,245 — 287,245 Residential - U.S. Government-Sponsored Enterprises — 457,962 — 457,962 Commercial - Government Agencies — 96,464 — 96,464 Total Mortgage-Backed Securities — 841,671 — 841,671 Total Investment Securities Available-for-Sale 546 2,293,205 — 2,293,751 Loans Held for Sale — 16,854 — 16,854 Mortgage Servicing Rights — — 1,910 1,910 Other Assets 18,347 — — 18,347 Derivatives 1 — 125 16,096 16,221 Total Assets Measured at Fair Value on a $ 18,893 $ 2,310,184 $ 18,006 $ 2,347,083 Liabilities: Derivatives 1 $ — $ 132 $ 15,725 $ 15,857 Total Liabilities Measured at Fair Value on a $ — $ 132 $ 15,725 $ 15,857 December 31, 2015 Assets: Investment Securities Available-for-Sale Debt Securities Issued by the U.S. Treasury and Government Agencies $ 545 $ 358,349 $ — $ 358,894 Debt Securities Issued by States and Political Subdivisions — 731,918 — 731,918 Debt Securities Issued by Corporations — 308,870 — 308,870 Mortgage-Backed Securities: Residential - Government Agencies — 316,245 — 316,245 Residential - U.S. Government-Sponsored Enterprises — 441,864 — 441,864 Commercial - Government Agencies — 99,027 — 99,027 Total Mortgage-Backed Securities — 857,136 — 857,136 Total Investment Securities Available-for-Sale 545 2,256,273 — 2,256,818 Loans Held for Sale — 4,808 — 4,808 Mortgage Servicing Rights — — 1,970 1,970 Other Assets 20,262 — — 20,262 Derivatives 1 — 154 13,813 13,967 Total Assets Measured at Fair Value on a $ 20,807 $ 2,261,235 $ 15,783 $ 2,297,825 Liabilities: Derivatives 1 $ — $ 46 $ 13,573 $ 13,619 Total Liabilities Measured at Fair Value on a $ — $ 46 $ 13,573 $ 13,619 1 The fair value of each class of derivatives is shown in Note 11 Derivative Financial Instruments . For the three months ended March 31, 2016 and 2015 , the changes in Level 3 assets and liabilities measured at fair value on a recurring basis were as follows: (dollars in thousands) Mortgage Servicing Rights 1 Net Derivative Assets and Liabilities 2 Three Months Ended March 31, 2016 Balance as of January 1, 2016 $ 1,970 $ 240 Realized and Unrealized Net Gains (Losses): Included in Net Income (60 ) 972 Transfers to Loans Held for Sale — (841 ) Balance as of March 31, 2016 $ 1,910 $ 371 Total Unrealized Net Gains (Losses) Included in Net Income $ — $ 371 Three Months Ended March 31, 2015 Balance as of January 1, 2015 $ 2,604 $ 118 Realized and Unrealized Net Gains (Losses): Included in Net Income (327 ) 587 Transfers to Loans Held for Sale — (435 ) Balance as of March 31, 2015 $ 2,277 $ 270 Total Unrealized Net Gains (Losses) Included in Net Income $ (251 ) $ 270 1 Realized and unrealized gains and losses related to mortgage servicing rights are reported as a component of mortgage banking income in the Company’s consolidated statements of income. 2 Realized and unrealized gains and losses related to interest rate lock commitments are reported as a component of mortgage banking income in the Company’s consolidated statements of income. Realized and unrealized gains and losses related to interest rate swap agreements are reported as a component of other noninterest income in the Company’s consolidated statements of income. For Level 3 assets and liabilities measured at fair value on a recurring or nonrecurring basis as of March 31, 2016 and December 31, 2015 , the significant unobservable inputs used in the fair value measurements were as follows: Significant Unobservable Inputs (weighted-average) Fair Value (dollars in thousands) Valuation Technique Description Mar. 31, Dec. 31, Mar. 31, Dec. 31, Mortgage Servicing Rights Discounted Cash Flow Constant Prepayment Rate 1 12.33 % 9.10 % $ 22,751 $ 26,774 Discount Rate 2 9.76 % 9.38 % Net Derivative Assets and Liabilities: Interest Rate Lock Commitments Pricing Model Closing Ratio 90.79 % 94.70 % $ 415 $ 270 Interest Rate Swap Agreements Discounted Cash Flow Credit Factor 0.28 % 0.22 % $ (44 ) $ (30 ) 1 Represents annualized loan repayment rate assumption. 2 Derived from multiple interest rate scenarios that incorporate a spread to the London Interbank Offered Rate swap curve and market volatilities. The significant unobservable inputs used in the fair value measurement of the Company’s mortgage servicing rights are the weighted-average constant prepayment rate and weighted-average discount rate. Significant increases (decreases) in any of those inputs in isolation could result in a significantly lower (higher) fair value measurement. Although the constant prepayment rate and the discount rate are not directly interrelated, they generally move in opposite directions of each other. The Company estimates the fair value of mortgage servicing rights by using a discounted cash flow model to calculate the present value of estimated future net servicing income. The Company’s Treasury Division enters observable and unobservable inputs into the model to arrive at an estimated fair value. To assess the reasonableness of the fair value measurement, the Treasury Division performs a back-test by applying the model to historical prepayment data. The fair value and constant prepayment rate are also compared to forward-looking estimates to assess reasonableness. The Treasury Division also compares the fair value of the Company’s mortgage servicing rights to a value calculated by an independent third party. Discussions are held with members from the Treasury, Mortgage Banking, and Controllers Divisions, along with the independent third party to discuss and reconcile the fair value estimates and key assumptions used by the respective parties in arriving at those estimates. A subcommittee of the Company’s Asset/Liability Management Committee is responsible for providing oversight over the valuation methodology and key assumptions. The significant unobservable input used in the fair value measurement of the Company’s IRLCs is the closing ratio, which represents the percentage of loans currently in a lock position which management estimates will ultimately close. Generally, the fair value of an IRLC is positive (negative) if the prevailing interest rate is lower (higher) than the IRLC rate. Therefore, an increase in the closing ratio (i.e., higher percentage of loans are estimated to close) will increase the gain or loss. The closing ratio is largely dependent on the loan processing stage that a loan is currently in and the change in prevailing interest rates from the time of the rate lock. The closing ratio is computed by our secondary marketing system using historical data and the ratio is periodically reviewed by the Company’s Secondary Marketing Department of the Mortgage Banking Division for reasonableness. The unobservable input used in the fair value measurement of the Company’s interest rate swap agreements is the credit factor. This factor represents the risk that a counterparty is either unable or unwilling to settle a transaction in accordance with the underlying contractual terms. A significant increase (decrease) in the credit factor could result in a significantly lower (higher) fair value measurement. The credit factor is determined by the Treasury Division based on the risk rating assigned to each counterparty in which the Company holds a net asset position. The Company’s Credit Policy Committee periodically reviews and approves the Expected Default Frequency of the Economic Capital Model for Credit Risk. The Expected Default Frequency is used as the credit factor for interest rate swap agreements. Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis The Company may be required periodically to measure certain assets and liabilities at fair value on a nonrecurring basis in accordance with GAAP. These adjustments to fair value usually result from the application of lower-of-cost-or-fair value accounting or impairment write-downs of individual assets. The following table represents the assets measured at fair value on a nonrecurring basis as of March 31, 2016 and December 31, 2015 . (dollars in thousands) Fair Value Hierarchy Net Carrying Amount Valuation Allowance March 31, 2016 Mortgage Servicing Rights - amortization method Level 3 $ 20,753 $ 106 December 31, 2015 Mortgage Servicing Rights - amortization method Level 3 $ 21,032 $ 21 Foreclosed Real Estate Level 3 824 — Other Assets - Equipment Held for Sale Level 3 4,657 9,453 The write-down of mortgage servicing rights accounted for under the amortization method was primarily due to changes in certain key assumptions used to estimate fair value. As previously mentioned, all of the Company's mortgage servicing rights are classified as Level 3 measurements due to the use of significant unobservable inputs, as well as significant management judgment and estimation. The Company's equipment held for sale at December 31, 2015 represented six aircraft that were previously on lease agreements. An impairment charge of $9.5 million (included in other noninterest expense in the Company's consolidated statements of income) was recorded in the third quarter of 2015 to reduce the carrying value to estimated fair value less cost to sell based on recent appraisals, market conditions, and management judgment. Due to the use of significant unobservable inputs combined with significant management judgment regarding the fair value of the six aircraft, the carrying value was deemed a Level 3 measurement. All aircraft were sold during the current quarter resulting in a nominal loss on sale from the reduced carrying value. Fair Value Option The Company elects the fair value option for all residential mortgage loans held for sale. This election allows for a more effective offset of the changes in fair values of the loans held for sale and the derivative financial instruments used to financially hedge them without having to apply complex hedge accounting requirements. As noted above, the fair value of the Company’s residential mortgage loans held for sale was determined based on quoted prices for similar loans in active markets. The following table reflects the difference between the aggregate fair value and the aggregate unpaid principal balance of the Company’s residential mortgage loans held for sale as of March 31, 2016 and December 31, 2015 . (dollars in thousands) Aggregate Fair Value Aggregate Unpaid Principal Aggregate Fair Value Unpaid Principal March 31, 2016 Loans Held for Sale $ 16,854 $ 16,251 $ 603 December 31, 2015 Loans Held for Sale $ 4,808 $ 4,575 $ 233 Changes in the estimated fair value of residential mortgage loans held for sale are reported as a component of mortgage banking income in the Company’s consolidated statements of income. For the three months ended March 31, 2016 and 2015 , the net gains or losses from the change in fair value of the Company’s residential mortgage loans held for sale were not material. Financial Instruments Not Recorded at Fair Value on a Recurring Basis The assumptions used below are expected to approximate those that market participants would use in valuing these financial instruments. Investment Securities Held-to-Maturity The fair value of the Company’s investment securities held-to-maturity was primarily measured using information from a third-party pricing service. Level 1 investment securities are comprised of debt securities issued by the U.S. Treasury as quoted prices were available, unadjusted, for identical securities in active markets. If quoted prices were not available, fair values were estimated primarily by obtaining quoted prices for similar assets in active markets or through the use of pricing models. In cases where there may be limited or less transparent information provided by the Company’s third-party pricing service, fair value may be estimated by the use of secondary pricing services or through the use of non-binding third-party broker quotes. Loans The fair value of the Company’s loans was estimated by discounting the expected future cash flows using the current interest rates at which similar loans would be made to borrowers with similar credit ratings and for the same remaining maturities. Loans were first segregated by type such as commercial, real estate, and consumer, and were then further segmented into fixed and variable rate and loan quality categories. Expected future cash flows were projected based on contractual cash flows, adjusted for estimated prepayments. Time Deposits The fair value of the Company’s time deposits was calculated using discounted cash flow analyses, applying discount rates based on market yield curve rates for similar maturities. The fair values of the Company’s time deposit liabilities do not take into consideration the value of the Company’s long-term relationships with depositors, which may have significant value. Securities Sold Under Agreements to Repurchase The fair value of the Company’s securities sold under agreements to repurchase was calculated using discounted cash flow analyses, applying discount rates based on market yield curve rates for similar maturities. Other Debt The fair value of the Company’s other debt was calculated using a discounted cash flow analyses, applying discount rates based on market yield curve rates for similar maturities. The following presents the carrying amount, fair value, and placement in the fair value hierarchy of the Company’s financial instruments not recorded at fair value on a recurring basis as of March 31, 2016 and December 31, 2015 . This table excludes financial instruments for which the carrying amount approximates fair value. For short-term financial assets such as cash and cash equivalents, the carrying amount is a reasonable estimate of fair value due to the relatively short time between the origination of the instrument and its expected realization. For non-marketable equity securities such as Federal Home Loan Bank and Federal Reserve Bank stock, the carrying amount is a reasonable estimate of fair value as these securities can only be redeemed or sold at their par value and only to the respective issuing government supported institution or to another member institution. For financial liabilities such as noninterest-bearing demand, interest-bearing demand, and savings deposits, the carrying amount is a reasonable estimate of fair value due to these products having no stated maturity. Fair Value Measurements Carrying Quoted Prices in Active Markets for Identical Assets or Liabilities Significant Other Observable Inputs Significant Unobservable Inputs (dollars in thousands) Amount Fair Value (Level 1) (Level 2) (Level 3) March 31, 2016 Financial Instruments - Assets Investment Securities Held-to-Maturity $ 3,911,703 $ 3,981,830 $ 494,557 $ 3,487,273 $ — Loans 1 7,728,297 8,133,640 — — 8,133,640 Financial Instruments - Liabilities Time Deposits 1,228,008 1,231,507 — 1,231,507 — Securities Sold Under Agreements to Repurchase 586,785 586,779 — 586,779 — Other Debt 2 209,938 212,981 — 212,981 — December 31, 2015 Financial Instruments - Assets Investment Securities Held-to-Maturity $ 3,982,736 $ 4,006,412 $ 489,967 $ 3,516,445 $ — Loans 1 7,538,454 7,967,385 — — 7,967,385 Financial Instruments - Liabilities Time Deposits 1,177,651 1,178,837 — 1,178,837 — Securities Sold Under Agreements to Repurchase 628,857 686,853 — 686,853 — Other Debt 2 234,938 235,668 — 235,668 — 1 Net of unearned income and the Allowance. 2 Excludes capitalized lease obligations.

Summary of Significant Accoun22

Summary of Significant Accounting Policies (Policies)	3 Months Ended
	Mar. 31, 2016
Accounting Policies [Abstract]
Basis of Presentation	The accompanying unaudited consolidated financial statements of the Company have been prepared in accordance with U.S. generally accepted accounting principles (“GAAP”) for interim financial information and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X. Accordingly, they do not include all of the information and accompanying notes required by GAAP for complete financial statements. In the opinion of management, the consolidated financial statements reflect normal recurring adjustments necessary for a fair presentation of the results for the interim periods. Certain prior period information has been reclassified to conform to the current period presentation. These statements should be read in conjunction with the audited consolidated financial statements and related notes included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2015 . Operating results for the interim periods disclosed herein are not necessarily indicative of the results that may be expected for the year ending December 31, 2016 .
Use of Estimates in the Preparation of Financial Statements	Use of Estimates in the Preparation of Financial Statements The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts in the financial statements and accompanying notes. Actual results may differ from those estimates and such differences could be material to the financial statements.
Accounting Standards Adopted in the Current Year or Pending Adoption	Accounting Standards Adopted in 2016 In February 2015, the FASB issued ASU No. 2015-02, “Amendments to the Consolidation Analysis.” This ASU affects reporting entities that are required to evaluate whether they should consolidate certain legal entities. Specifically, the amendments: (1) modify the evaluation of whether limited partnerships and similar legal entities are variable interest entities (“VIEs”) or voting interest entities; (2) eliminate the presumption that a general partner should consolidate a limited partnership; (3) affect the consolidation analysis of reporting entities that are involved with VIEs, particularly those that have fee arrangements and related party relationships; and (4) provide a scope exception from consolidation guidance for reporting entities with interests in legal entities that are required to comply with or operate in accordance with requirements that are similar to those in Rule 2a-7 of the Investment Company Act of 1940 for registered money market funds. The Company adopted ASU No. 2015-02 effective January 1, 2016. The adoption of ASU No. 2015-02 did not have a material impact on the Company's Consolidated Financial Statements. In April 2015, the FASB issued ASU No. 2015-05, “Customer’s Accounting for Fees Paid in a Cloud Computing Arrangement.” This ASU provides guidance to customers about whether a cloud computing arrangement includes a software license. If a cloud computing arrangement includes a software license, the customer should account for the software license element of the arrangement consistent with the acquisition of other software licenses. If a cloud computing arrangement does not include a software license, the customer should account for the arrangement as a service contract. The new guidance does not change the accounting for a customer’s accounting for service contracts. The purpose of ASU 2015-05 is to clarify which fees paid in a cloud computing arrangement should be capitalized and which fees should be expensed as incurred. The Company prospectively adopted ASU No. 2015-05 effective January 1, 2016. The adoption of ASU No. 2015-05 did not have a material impact on the Company's Consolidated Financial Statements. Accounting Standards Pending Adoption In May 2014, the FASB and the International Accounting Standards Board (the "IASB") jointly issued a comprehensive new revenue recognition standard that will supersede nearly all existing revenue recognition guidance under GAAP and International Financial Reporting Standards ("IFRS"). Previous revenue recognition guidance in GAAP consisted of broad revenue recognition concepts together with numerous revenue requirements for particular industries or transactions, which sometimes resulted in different accounting for economically similar transactions. In contrast, IFRS provided limited revenue recognition guidance and, consequently, could be difficult to apply to complex transactions. Accordingly, the FASB and the IASB initiated a joint project to clarify the principles for recognizing revenue and to develop a common revenue standard for U.S. GAAP and IFRS that would: (1) remove inconsistencies and weaknesses in revenue requirements; (2) provide a more robust framework for addressing revenue issues; (3) improve comparability of revenue recognition practices across entities, industries, jurisdictions, and capital markets; (4) provide more useful information to users of financial statements through improved disclosure requirements; and (5) simplify the preparation of financial statements by reducing the number of requirements to which an entity must refer. To meet those objectives, the FASB issued ASU No. 2014-09, "Revenue from Contracts with Customers." The standard’s core principle is that a company will recognize revenue when it transfers promised goods or services to customers in an amount that reflects the consideration to which the company expects to be entitled in exchange for those goods or services. In doing so, companies generally will be required to use more judgment and make more estimates than under current guidance. These may include identifying performance obligations in the contract, estimating the amount of variable consideration to include in the transaction price and allocating the transaction price to each separate performance obligation. The standard was initially effective for public entities for interim and annual reporting periods beginning after December 15, 2016; early adoption was not permitted. However, in August 2015, the FASB issued ASU No. 2015-14, "Revenue from Contracts with Customers - Deferral of the Effective Date" which deferred the effective date by one year (i.e., interim and annual reporting periods beginning after December 15, 2017). Early adoption is permitted, but not before the original effective date (i.e., interim and annual reporting periods beginning after December 15, 2016). For financial reporting purposes, the standard allows for either full retrospective adoption, meaning the standard is applied to all of the periods presented, or modified retrospective adoption, meaning the standard is applied only to the most current period presented in the financial statements with the cumulative effect of initially applying the standard recognized at the date of initial application. The Company is currently evaluating the provisions of ASU No. 2014-09 and will be closely monitoring developments and additional guidance to determine the potential impact the new standard will have on the Company's Consolidated Financial Statements. In January 2016, the FASB issued ASU No. 2016-01, "Recognition and Measurement of Financial Assets and Financial Liabilities." This ASU addresses certain aspects of recognition, measurement, presentation, and disclosure of financial instruments by making targeted improvements to GAAP as follows: (1) require equity investments (except those accounted for under the equity method of accounting or those that result in consolidation of the investee) to be measured at fair value with changes in fair value recognized in net income. However, an entity may choose to measure equity investments that do not have readily determinable fair values at cost minus impairment, if any, plus or minus changes resulting from observable price changes in orderly transactions for the identical or a similar investment of the same issuer; (2) simplify the impairment assessment of equity investments without readily determinable fair values by requiring a qualitative assessment to identify impairment. When a qualitative assessment indicates that impairment exists, an entity is required to measure the investment at fair value; (3) eliminate the requirement to disclose the fair value of financial instruments measured at amortized cost for entities that are not public business entities; (4) eliminate the requirement for public business entities to disclose the method(s) and significant assumptions used to estimate the fair value that is required to be disclosed for financial instruments measured at amortized cost on the balance sheet; (5) require public business entities to use the exit price notion when measuring the fair value of financial instruments for disclosure purposes; (6) require an entity to present separately in other comprehensive income the portion of the total change in the fair value of a liability resulting from a change in the instrument-specific credit risk when the entity has elected to measure the liability at fair value in accordance with the fair value option for financial instruments; (7) require separate presentation of financial assets and financial liabilities by measurement category and form of financial asset (that is, securities or loans and receivables) on the balance sheet or the accompanying notes to the financial statements; and (8) clarify that an entity should evaluate the need for a valuation allowance on a deferred tax asset related to available-for-sale securities in combination with the entity’s other deferred tax assets. ASU No. 2016-01 is effective for interim and annual reporting periods beginning after December 15, 2017. Early application is permitted as of the beginning of the fiscal year of adoption only for provisions (3) and (6) above. Early adoption of the other provisions mentioned above is not permitted. The Company has performed a preliminary evaluation of the provisions of ASU No. 2016-01. Based on this evaluation, the Company has determined that ASU No. 2016-01 is not expected to have a material impact on the Company's Consolidated Financial Statements; however, the Company will continue to closely monitor developments and additional guidance. In February 2016, the FASB issued ASU No. 2016-02, "Leases." Under the new guidance, lessees will be required to recognize the following for all leases (with the exception of short-term leases): 1) a lease liability, which is the present value of a lessee's obligation to make lease payments, and 2) a right-of-use asset, which is an asset that represents the lessee's right to use, or control the use of, a specified asset for the lease term. Lessor accounting under the new guidance remains largely unchanged as it is substantially equivalent to existing guidance for sales-type leases, direct financing leases, and operating leases. Leveraged leases have been eliminated, although lessors can continue to account for existing leveraged leases using the current accounting guidance. Other limited changes were made to align lessor accounting with the lessee accounting model and the new revenue recognition standard . All entities will classify leases to determine how to recognize lease-related revenue and expense. Quantitative and qualitative disclosures will be required by lessees and lessors to meet the objective of enabling users of financial statements to assess the amount, timing, and uncertainty of cash flows arising from leases. The intention is to require enough information to supplement the amounts recorded in the financial statements so that users can understand more about the nature of an entity’s leasing activities. ASU No. 2016-02 is effective for interim and annual reporting periods beginning after December 15, 2018; early adoption is permitted. All entities are required to use a modified retrospective approach for leases that exist or are entered into after the beginning of the earliest comparative period in the financial statements. They have the option to use certain relief; full retrospective application is prohibited. The Company is currently evaluating the provisions of ASU No. 2016-02 and will be closely monitoring developments and additional guidance to determine the potential impact the new standard will have on the Company's Consolidated Financial Statements. In March 2016, the FASB issued ASU No. 2016-09, "Improvements to Employee Share-Based Payment Accounting.” This ASU includes provisions intended to simplify various aspects related to how share-based payments are accounted for and presented in the financial statements. Some of the key provisions of this new ASU include: (1) companies will no longer record excess tax benefits and certain tax deficiencies in additional paid-in capital (“APIC”). Instead, they will record all excess tax benefits and tax deficiencies as income tax expense or benefit in the income statement, and APIC pools will be eliminated. The guidance also eliminates the requirement that excess tax benefits be realized before companies can recognize them. In addition, the guidance requires companies to present excess tax benefits as an operating activity on the statement of cash flows rather than as a financing activity; (2) increase the amount an employer can withhold to cover income taxes on awards and still qualify for the exception to liability classification for shares used to satisfy the employer’s statutory income tax withholding obligation. The new guidance will also require an employer to classify the cash paid to a tax authority when shares are withheld to satisfy its statutory income tax withholding obligation as a financing activity on its statement of cash flows (current guidance did not specify how these cash flows should be classified); and (3) permit companies to make an accounting policy election for the impact of forfeitures on the recognition of expense for share-based payment awards. Forfeitures can be estimated, as required today, or recognized when they occur. ASU No. 2016-09 is effective for interim and annual reporting periods beginning after December 15, 2016. Early adoption is permitted, but all of the guidance must be adopted in the same period. The Company is currently evaluating the provisions of ASU No. 2016-09 to determine the potential impact the new standard will have on the Company's Consolidated Financial Statements.

Investment Securities (Tables)

Investment Securities (Tables)	3 Months Ended
	Mar. 31, 2016
Investments, Debt and Equity Securities [Abstract]
Schedule of amortized cost, gross unrealized gains and losses, and fair value of investment securities	The amortized cost, gross unrealized gains and losses, and fair value of the Company’s investment securities as of March 31, 2016 and December 31, 2015 were as follows: (dollars in thousands) Amortized Cost Gross Gross Fair Value March 31, 2016 Available-for-Sale: Debt Securities Issued by the U.S. Treasury and Government Agencies $ 432,645 $ 3,423 $ (950 ) $ 435,118 Debt Securities Issued by States and Political Subdivisions 681,195 27,078 (53 ) 708,220 Debt Securities Issued by Corporations 313,107 164 (4,529 ) 308,742 Mortgage-Backed Securities: Residential - Government Agencies 281,495 6,900 (1,150 ) 287,245 Residential - U.S. Government-Sponsored Enterprises 451,818 6,144 — 457,962 Commercial - Government Agencies 98,802 — (2,338 ) 96,464 Total Mortgage-Backed Securities 832,115 13,044 (3,488 ) 841,671 Total $ 2,259,062 $ 43,709 $ (9,020 ) $ 2,293,751 Held-to-Maturity: Debt Securities Issued by the U.S. Treasury and Government Agencies $ 489,757 $ 4,800 $ — $ 494,557 Debt Securities Issued by States and Political Subdivisions 245,069 18,221 — 263,290 Debt Securities Issued by Corporations 147,409 2,131 (367 ) 149,173 Mortgage-Backed Securities: Residential - Government Agencies 2,056,236 37,121 (6,533 ) 2,086,824 Residential - U.S. Government-Sponsored Enterprises 725,099 9,708 — 734,807 Commercial - Government Agencies 248,133 5,412 (366 ) 253,179 Total Mortgage-Backed Securities 3,029,468 52,241 (6,899 ) 3,074,810 Total $ 3,911,703 $ 77,393 $ (7,266 ) $ 3,981,830 December 31, 2015 Available-for-Sale: Debt Securities Issued by the U.S. Treasury and Government Agencies $ 356,260 $ 3,472 $ (838 ) $ 358,894 Debt Securities Issued by States and Political Subdivisions 709,724 22,498 (304 ) 731,918 Debt Securities Issued by Corporations 313,136 236 (4,502 ) 308,870 Mortgage-Backed Securities: Residential - Government Agencies 310,966 6,546 (1,267 ) 316,245 Residential - U.S. Government-Sponsored Enterprises 442,760 1,368 (2,264 ) 441,864 Commercial - Government Agencies 103,227 — (4,200 ) 99,027 Total Mortgage-Backed Securities 856,953 7,914 (7,731 ) 857,136 Total $ 2,236,073 $ 34,120 $ (13,375 ) $ 2,256,818 Held-to-Maturity: Debt Securities Issued by the U.S. Treasury and Government Agencies $ 489,747 $ 1,359 $ (1,139 ) $ 489,967 Debt Securities Issued by States and Political Subdivisions 245,980 17,114 — 263,094 Debt Securities Issued by Corporations 151,301 368 (2,041 ) 149,628 Mortgage-Backed Securities: Residential - Government Agencies 2,191,138 27,893 (19,067 ) 2,199,964 Residential - U.S. Government-Sponsored Enterprises 647,762 1,656 (2,616 ) 646,802 Commercial - Government Agencies 256,808 2,381 (2,232 ) 256,957 Total Mortgage-Backed Securities 3,095,708 31,930 (23,915 ) 3,103,723 Total $ 3,982,736 $ 50,771 $ (27,095 ) $ 4,006,412
Analysis of the contractual maturities of investment securities	The table below presents an analysis of the contractual maturities of the Company’s investment securities as of March 31, 2016 . Debt securities issued by government agencies (Small Business Administration securities) and mortgage-backed securities are disclosed separately in the table below as these investment securities may prepay prior to their scheduled contractual maturity dates. (dollars in thousands) Amortized Cost Fair Value Available-for-Sale: Due in One Year or Less $ 55,617 $ 55,771 Due After One Year Through Five Years 469,600 473,721 Due After Five Years Through Ten Years 402,326 416,186 Due After Ten Years 67,304 71,830 994,847 1,017,508 Debt Securities Issued by Government Agencies 432,100 434,572 Mortgage-Backed Securities: Residential - Government Agencies 281,495 287,245 Residential - U.S. Government-Sponsored Enterprises 451,818 457,962 Commercial - Government Agencies 98,802 96,464 Total Mortgage-Backed Securities 832,115 841,671 Total $ 2,259,062 $ 2,293,751 Held-to-Maturity: Due After One Year Through Five Years $ 522,304 $ 528,610 Due After Five Years Through Ten Years 288,542 301,282 Due After Ten Years 71,389 77,128 882,235 907,020 Mortgage-Backed Securities: Residential - Government Agencies 2,056,236 2,086,824 Residential - U.S. Government-Sponsored Enterprises 725,099 734,807 Commercial - Government Agencies 248,133 253,179 Total Mortgage-Backed Securities 3,029,468 3,074,810 Total $ 3,911,703 $ 3,981,830
Schedule of gains (losses) on sale of investment securities	The table below presents the gains and losses from the sales of investment securities for the three months ended March 31, 2016 and 2015 . Three Months Ended (dollars in thousands) 2016 2015 Gross Gains on Sales of Investment Securities $ 11,180 $ 10,231 Gross Losses on Sales of Investment Securities — — Net Gains on Sales of Investment Securities $ 11,180 $ 10,231
Schedule of investment securities in an unrealized loss position	The Company’s investment securities in an unrealized loss position, segregated by continuous length of impairment, were as follows: Less Than 12 Months 12 Months or Longer Total (dollars in thousands) Fair Value Gross Unrealized Losses Fair Value Gross Unrealized Losses Fair Value Gross Unrealized Losses March 31, 2016 Available-for-Sale: Debt Securities Issued by the U.S. Treasury and Government Agencies $ 187,522 $ (804 ) $ 21,364 $ (146 ) $ 208,886 $ (950 ) Debt Securities Issued by States and Political Subdivisions 3,231 (5 ) 6,779 (48 ) 10,010 (53 ) Debt Securities Issued by Corporations 86,681 (1,333 ) 186,856 (3,196 ) 273,537 (4,529 ) Mortgage-Backed Securities: Residential - Government Agencies 12,538 (56 ) 8,501 (1,094 ) 21,039 (1,150 ) Commercial - Government Agencies — — 96,464 (2,338 ) 96,464 (2,338 ) Total Mortgage-Backed Securities 12,538 (56 ) 104,965 (3,432 ) 117,503 (3,488 ) Total $ 289,972 $ (2,198 ) $ 319,964 $ (6,822 ) $ 609,936 $ (9,020 ) Held-to-Maturity: Debt Securities Issued by Corporations $ 8,735 $ (17 ) $ 41,043 $ (350 ) $ 49,778 $ (367 ) Mortgage-Backed Securities: Residential - Government Agencies 135,228 (327 ) 548,807 (6,206 ) 684,035 (6,533 ) Commercial - Government Agencies 19,422 (227 ) 53,099 (139 ) 72,521 (366 ) Total Mortgage-Backed Securities 154,650 (554 ) 601,906 (6,345 ) 756,556 (6,899 ) Total $ 163,385 $ (571 ) $ 642,949 $ (6,695 ) $ 806,334 $ (7,266 ) December 31, 2015 Available-for-Sale: Debt Securities Issued by the U.S. Treasury and Government Agencies $ 144,260 $ (822 ) $ 5,452 $ (16 ) $ 149,712 $ (838 ) Debt Securities Issued by States and Political Subdivisions 72,248 (252 ) 6,798 (52 ) 79,046 (304 ) Debt Securities Issued by Corporations 101,269 (1,747 ) 162,304 (2,755 ) 263,573 (4,502 ) Mortgage-Backed Securities: Residential - Government Agencies 30,679 (130 ) 9,117 (1,137 ) 39,796 (1,267 ) Residential - U.S. Government-Sponsored Enterprises 346,603 (2,264 ) — — 346,603 (2,264 ) Commercial - Government Agencies — — 99,026 (4,200 ) 99,026 (4,200 ) Total Mortgage-Backed Securities 377,282 (2,394 ) 108,143 (5,337 ) 485,425 (7,731 ) Total $ 695,059 $ (5,215 ) $ 282,697 $ (8,160 ) $ 977,756 $ (13,375 ) Held-to-Maturity: Debt Securities Issued by the U.S. Treasury $ 264,747 $ (1,139 ) $ — $ — $ 264,747 $ (1,139 ) Debt Securities Issued by Corporations 28,218 (66 ) 71,208 (1,975 ) 99,426 (2,041 ) Mortgage-Backed Securities: Residential - Government Agencies 562,502 (5,828 ) 414,207 (13,239 ) 976,709 (19,067 ) Residential - U.S. Government-Sponsored Enterprises 450,147 (2,616 ) — — 450,147 (2,616 ) Commercial - Government Agencies 74,040 (958 ) 52,207 (1,274 ) 126,247 (2,232 ) Total Mortgage-Backed Securities 1,086,689 (9,402 ) 466,414 (14,513 ) 1,553,103 (23,915 ) Total $ 1,379,654 $ (10,607 ) $ 537,622 $ (16,488 ) $ 1,917,276 $ (27,095 )
Schedule of interest income from taxable and non-taxable investment securities	Interest income from taxable and non-taxable investment securities for the three months ended March 31, 2016 and 2015 were as follows: Three Months Ended (dollars in thousands) 2016 2015 Taxable $ 25,987 $ 29,292 Non-Taxable 5,218 5,313 Total Interest Income from Investment Securities $ 31,205 $ 34,605
Schedule of carrying value of company's Federal Home Loan Bank and Federal Reserve Bank	As of March 31, 2016 and December 31, 2015 , the carrying value of the Company’s Federal Home Loan Bank of Des Moines stock and Federal Reserve Bank stock was as follows: (dollars in thousands) March 31, December 31, Federal Home Loan Bank Stock $ 18,000 $ 19,000 Federal Reserve Bank Stock 19,958 19,836 Total $ 37,958 $ 38,836

Loans and Leases and the Allo24

Loans and Leases and the Allowance for Loan and Lease Losses (Tables)	3 Months Ended
	Mar. 31, 2016
Loans and Leases and Allowance for Loan and Lease Losses [Abstract]
Schedule of Loan and Lease Portfolio	The Company’s loan and lease portfolio was comprised of the following as of March 31, 2016 and December 31, 2015 : (dollars in thousands) March 31, December 31, Commercial Commercial and Industrial $ 1,180,341 $ 1,115,168 Commercial Mortgage 1,687,199 1,677,147 Construction 192,909 156,660 Lease Financing 195,804 204,877 Total Commercial 3,256,253 3,153,852 Consumer Residential Mortgage 2,929,388 2,925,605 Home Equity 1,131,796 1,069,400 Automobile 399,825 381,735 Other 1 348,348 348,393 Total Consumer 4,809,357 4,725,133 Total Loans and Leases $ 8,065,610 $ 7,878,985 1 Comprised of other revolving credit, installment, and lease financing.
Schedule of Portfolio Segment and Balance in Allowance Disaggregated on the Basis of Impairment Measurement Method	The following presents by portfolio segment, the activity in the Allowance for the three months ended March 31, 2016 and 2015 . The following also presents by portfolio segment, the balance in the Allowance disaggregated on the basis of the Company’s impairment measurement method and the related recorded investment in loans and leases as of March 31, 2016 and 2015 . (dollars in thousands) Commercial Consumer Total Three Months Ended March 31, 2016 Allowance for Loan and Lease Losses: Balance at Beginning of Period $ 60,714 $ 42,166 $ 102,880 Loans and Leases Charged-Off (257 ) (4,630 ) (4,887 ) Recoveries on Loans and Leases Previously Charged-Off 6,905 1,779 8,684 Net Loans and Leases Recovered (Charged-Off) 6,648 (2,851 ) 3,797 Provision for Credit Losses (5,552 ) 3,552 (2,000 ) Balance at End of Period $ 61,810 $ 42,867 $ 104,677 As of March 31, 2016 Allowance for Loan and Lease Losses: Individually Evaluated for Impairment $ 157 $ 3,406 $ 3,563 Collectively Evaluated for Impairment 61,653 39,461 101,114 Total $ 61,810 $ 42,867 $ 104,677 Recorded Investment in Loans and Leases: Individually Evaluated for Impairment $ 22,986 $ 39,028 $ 62,014 Collectively Evaluated for Impairment 3,233,267 4,770,329 8,003,596 Total $ 3,256,253 $ 4,809,357 $ 8,065,610 Three Months Ended March 31, 2015 Allowance for Loan and Lease Losses: Balance at Beginning of Period $ 64,551 $ 44,137 $ 108,688 Loans and Leases Charged-Off (235 ) (3,853 ) (4,088 ) Recoveries on Loans and Leases Previously Charged-Off 736 2,125 2,861 Net Loans and Leases Recovered (Charged-Off) 501 (1,728 ) (1,227 ) Provision for Credit Losses 782 (782 ) — Balance at End of Period $ 65,834 $ 41,627 $ 107,461 As of March 31, 2015 Allowance for Loan and Lease Losses: Individually Evaluated for Impairment $ 2,212 $ 3,534 $ 5,746 Collectively Evaluated for Impairment 63,622 38,093 101,715 Total $ 65,834 $ 41,627 $ 107,461 Recorded Investment in Loans and Leases: Individually Evaluated for Impairment $ 26,084 $ 39,453 $ 65,537 Collectively Evaluated for Impairment 2,929,026 4,184,065 7,113,091 Total $ 2,955,110 $ 4,223,518 $ 7,178,628
Schedule of Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator	The following presents by class and by credit quality indicator, the recorded investment in the Company’s loans and leases as of March 31, 2016 and December 31, 2015 . March 31, 2016 (dollars in thousands) Commercial and Industrial Commercial Mortgage Construction Lease Financing Total Commercial Pass $ 1,136,351 $ 1,619,997 $ 191,257 $ 195,380 $ 3,142,985 Special Mention 18,180 32,010 71 69 50,330 Classified 25,810 35,192 1,581 355 62,938 Total $ 1,180,341 $ 1,687,199 $ 192,909 $ 195,804 $ 3,256,253 (dollars in thousands) Residential Mortgage Home Equity Automobile Other 1 Total Consumer Pass $ 2,915,669 $ 1,128,186 $ 399,301 $ 347,763 $ 4,790,919 Classified 13,719 3,610 524 585 18,438 Total $ 2,929,388 $ 1,131,796 $ 399,825 $ 348,348 $ 4,809,357 Total Recorded Investment in Loans and Leases $ 8,065,610 December 31, 2015 (dollars in thousands) Commercial and Industrial Commercial Mortgage Construction Lease Financing Total Commercial Pass $ 1,059,475 $ 1,591,696 $ 154,976 $ 204,348 $ 3,010,495 Special Mention 28,076 43,674 80 76 71,906 Classified 27,617 41,777 1,604 453 71,451 Total $ 1,115,168 $ 1,677,147 $ 156,660 $ 204,877 $ 3,153,852 (dollars in thousands) Residential Mortgage Home Equity Automobile Other 1 Total Consumer Pass $ 2,910,667 $ 1,064,253 $ 381,420 $ 347,710 $ 4,704,050 Classified 14,938 5,147 315 683 21,083 Total $ 2,925,605 $ 1,069,400 $ 381,735 $ 348,393 $ 4,725,133 Total Recorded Investment in Loans and Leases $ 7,878,985 1 Comprised of other revolving credit, installment, and lease financing.
Schedule of Aging Analysis by Class of Loan and Lease Portfolio	The following presents by class, an aging analysis of the Company’s loan and lease portfolio as of March 31, 2016 and December 31, 2015 . (dollars in thousands) 30 - 59 Days Past Due 60 - 89 Days Past Due Past Due 90 Days or More Non-Accrual Total Past Due and Non-Accrual Current Total Loans and Leases Non-Accrual Loans and Leases that are Current 2 As of March 31, 2016 Commercial Commercial and Industrial $ 6,538 $ 444 $ — $ 666 $ 7,648 $ 1,172,693 $ 1,180,341 $ 71 Commercial Mortgage — 421 — 3,401 3,822 1,683,377 1,687,199 2,822 Construction — — — — — 192,909 192,909 — Lease Financing — — — — — 195,804 195,804 — Total Commercial 6,538 865 — 4,067 11,470 3,244,783 3,256,253 2,893 Consumer Residential Mortgage 6,115 2,317 4,219 13,719 26,370 2,903,018 2,929,388 2,237 Home Equity 1,550 1,741 2,096 2,501 7,888 1,123,908 1,131,796 881 Automobile 7,735 962 524 — 9,221 390,604 399,825 — Other 1 2,200 1,278 1,099 — 4,577 343,771 348,348 — Total Consumer 17,600 6,298 7,938 16,220 48,056 4,761,301 4,809,357 3,118 Total $ 24,138 $ 7,163 $ 7,938 $ 20,287 $ 59,526 $ 8,006,084 $ 8,065,610 $ 6,011 As of December 31, 2015 Commercial Commercial and Industrial $ 1,118 $ 359 $ — $ 5,829 $ 7,306 $ 1,107,862 $ 1,115,168 $ 452 Commercial Mortgage 1,245 27 — 3,469 4,741 1,672,406 1,677,147 2,890 Construction 2,120 — — — 2,120 154,540 156,660 — Lease Financing — — — — — 204,877 204,877 — Total Commercial 4,483 386 — 9,298 14,167 3,139,685 3,153,852 3,342 Consumer Residential Mortgage 7,148 3,993 4,453 14,598 30,192 2,895,413 2,925,605 2,056 Home Equity 3,856 1,906 1,710 4,081 11,553 1,057,847 1,069,400 1,710 Automobile 8,103 1,803 315 — 10,221 371,514 381,735 — Other 1 2,281 1,448 1,096 — 4,825 343,568 348,393 — Total Consumer 21,388 9,150 7,574 18,679 56,791 4,668,342 4,725,133 3,766 Total $ 25,871 $ 9,536 $ 7,574 $ 27,977 $ 70,958 $ 7,808,027 $ 7,878,985 $ 7,108 1 Comprised of other revolving credit, installment, and lease financing. 2 Represents non-accrual loans that are not past due 30 days or more; however, full payment of principal and interest is still not expected.
Schedule of Information Related to Impaired Loans	The following presents by class, information related to impaired loans as of March 31, 2016 and December 31, 2015 . (dollars in thousands) Recorded Investment Unpaid Principal Balance Related Allowance for Loan Losses March 31, 2016 Impaired Loans with No Related Allowance Recorded: Commercial Commercial and Industrial $ 10,069 $ 17,031 $ — Commercial Mortgage 10,055 13,555 — Construction 1,581 1,581 — Total Commercial 21,705 32,167 — Total Impaired Loans with No Related Allowance Recorded $ 21,705 $ 32,167 $ — Impaired Loans with an Allowance Recorded: Commercial Commercial and Industrial $ 1,281 $ 1,281 $ 157 Total Commercial 1,281 1,281 157 Consumer Residential Mortgage 28,231 33,748 3,173 Home Equity 1,516 1,516 18 Automobile 7,384 7,384 159 Other 1 1,897 1,897 56 Total Consumer 39,028 44,545 3,406 Total Impaired Loans with an Allowance Recorded $ 40,309 $ 45,826 $ 3,563 Impaired Loans: Commercial $ 22,986 $ 33,448 $ 157 Consumer 39,028 44,545 3,406 Total Impaired Loans $ 62,014 $ 77,993 $ 3,563 December 31, 2015 Impaired Loans with No Related Allowance Recorded: Commercial Commercial and Industrial $ 14,650 $ 28,212 $ — Commercial Mortgage 10,407 13,907 — Construction 1,604 1,604 — Total Commercial 26,661 43,723 — Total Impaired Loans with No Related Allowance Recorded $ 26,661 $ 43,723 $ — Impaired Loans with an Allowance Recorded: Commercial Commercial and Industrial $ 1,289 $ 1,289 $ 205 Total Commercial 1,289 1,289 205 Consumer Residential Mortgage 28,981 34,694 3,171 Home Equity 1,089 1,089 12 Automobile 7,012 7,012 143 Other 1 1,665 1,665 47 Total Consumer 38,747 44,460 3,373 Total Impaired Loans with an Allowance Recorded $ 40,036 $ 45,749 $ 3,578 Impaired Loans: Commercial $ 27,950 $ 45,012 $ 205 Consumer 38,747 44,460 3,373 Total Impaired Loans $ 66,697 $ 89,472 $ 3,578 1 Comprised of other revolving credit and installment financing.
Schedule of the Average Recorded Investment and Interest Income Recognized on Impaired Loans	The following presents by class, information related to the average recorded investment and interest income recognized on impaired loans for the three months ended March 31, 2016 and 2015 . Three Months Ended Three Months Ended (dollars in thousands) Average Recorded Investment Interest Income Recognized Average Recorded Investment Interest Income Recognized Impaired Loans with No Related Allowance Recorded: Commercial Commercial and Industrial $ 12,360 $ 106 $ 10,781 $ 98 Commercial Mortgage 10,231 69 6,444 65 Construction 1,593 26 1,679 27 Total Commercial 24,184 201 18,904 190 Total Impaired Loans with No Related Allowance Recorded $ 24,184 $ 201 $ 18,904 $ 190 Impaired Loans with an Allowance Recorded: Commercial Commercial and Industrial $ 1,285 $ 20 $ 6,698 $ 26 Total Commercial 1,285 20 6,698 26 Consumer Residential Mortgage 28,606 251 32,028 267 Home Equity 1,303 17 1,108 8 Automobile 7,198 122 5,461 104 Other 1 1,781 39 946 22 Total Consumer 38,888 429 39,543 401 Total Impaired Loans with an Allowance Recorded $ 40,173 $ 449 $ 46,241 $ 427 Impaired Loans: Commercial $ 25,469 $ 221 $ 25,602 $ 216 Consumer 38,888 429 39,543 401 Total Impaired Loans $ 64,357 $ 650 $ 65,145 $ 617 1 Comprised of other revolving credit and installment financing.
Schedule of Loans Modified in a TDR	The following presents by class, information related to loans modified in a TDR during the three months ended March 31, 2016 and 2015 . Loans Modified as a TDR for the Loans Modified as a TDR for the Recorded Increase in Recorded Increase in Troubled Debt Restructurings Number of Investment Allowance Number of Investment Allowance (dollars in thousands) Contracts (as of period end) 1 (as of period end) Contracts (as of period end) 1 (as of period end) Commercial Commercial and Industrial 17 $ 2,988 $ — 17 $ 2,687 $ 1 Commercial Mortgage — — — 1 507 — Total Commercial 17 2,988 — 18 3,194 1 Consumer Residential Mortgage 3 1,166 197 5 2,122 61 Home Equity 1 478 6 2 203 3 Automobile 53 1,123 24 35 780 11 Other 2 62 450 13 22 151 5 Total Consumer 119 3,217 240 64 3,256 80 Total 136 $ 6,205 $ 240 82 $ 6,450 $ 81 1 The period end balances reflect all paydowns and charge-offs since the modification date. TDRs fully paid-off, charged-off, or foreclosed upon by period end are not included. 2 Comprised of other revolving credit and installment financing.
Schedule of Loans Modified in a TDR that Defaulted During the Period, and Within Twelve Months of their Modification Date by Class	The following presents by class, all loans modified in a TDR that defaulted during the three months ended March 31, 2016 and 2015 , and within twelve months of their modification date. A TDR is considered to be in default once it becomes 60 days or more past due following a modification. Three Months Ended Three Months Ended TDRs that Defaulted During the Period, Recorded Recorded Within Twelve Months of their Modification Date Number of Investment Number of Investment (dollars in thousands) Contracts (as of period end) 1 Contracts (as of period end) 1 Consumer Residential Mortgage 2 1,031 1 306 Home Equity 1 165 — — Automobile 5 116 7 152 Other 2 18 111 8 61 Total Consumer 26 1,423 16 519 Total 26 $ 1,423 16 $ 519 1 The period end balances reflect all paydowns and charge-offs since the modification date. TDRs fully paid-off, charged-off, or foreclosed upon by period end are not included. 2 Comprised of other revolving credit and installment financing.

Mortgage Servicing Rights (Tabl

Mortgage Servicing Rights (Tables)	3 Months Ended
	Mar. 31, 2016
Transfers and Servicing of Financial Assets [Abstract]
Analysis of mortgage servicing rights accounted for under the fair value measurement method	For the three months ended March 31, 2016 and 2015 , the change in the carrying value of the Company’s mortgage servicing rights accounted for under the fair value measurement method was as follows: Three Months Ended (dollars in thousands) 2016 2015 Balance at Beginning of Period $ 1,970 $ 2,604 Change in Fair Value: Due to Change in Valuation Assumptions 1 — (251 ) Due to Payoffs (60 ) (76 ) Total Changes in Fair Value of Mortgage Servicing Rights (60 ) (327 ) Balance at End of Period $ 1,910 $ 2,277 1 Primarily represents changes in discount rates and loan repayment rate assumptions, mostly due to changes in interest rates.
Analysis of mortgage servicing rights accounted for under the amortization method	For the three months ended March 31, 2016 and 2015 , the change in the carrying value of the Company’s mortgage servicing rights accounted for under the amortization method, net of valuation allowance, was as follows: Three Months Ended (dollars in thousands) 2016 2015 Balance at Beginning of Period $ 21,032 $ 22,091 Servicing Rights that Resulted From Asset Transfers 441 134 Amortization (635 ) (839 ) Valuation Allowance Provision (85 ) (20 ) Balance at End of Period $ 20,753 $ 21,366 Valuation Allowance: Balance at Beginning of Period $ (21 ) $ (57 ) Valuation Allowance Provision (85 ) (20 ) Balance at End of Period $ (106 ) $ (77 ) Fair Value of Mortgage Servicing Rights Accounted for Under the Amortization Method Beginning of Period $ 24,804 $ 22,837 End of Period $ 20,841 $ 21,431
Schedule of key data and assumptions used in estimating the fair value of mortgage servicing rights	The key data and assumptions used in estimating the fair value of the Company’s mortgage servicing rights as of March 31, 2016 and December 31, 2015 were as follows: March 31, December 31, 2015 Weighted-Average Constant Prepayment Rate 1 12.33 % 9.10 % Weighted-Average Life (in years) 6.08 7.40 Weighted-Average Note Rate 4.21 % 4.23 % Weighted-Average Discount Rate 2 9.76 % 9.38 % 1 Represents annualized loan repayment rate assumption. 2 Derived from multiple interest rate scenarios that incorporate a spread to the London Interbank Offered Rate swap curve and market volatilities.
Schedule of sensitivity analysis of the fair value of mortgage servicing rights	A sensitivity analysis of the Company’s fair value of mortgage servicing rights to changes in certain key assumptions as of March 31, 2016 and December 31, 2015 is presented in the following table. (dollars in thousands) March 31, December 31, Constant Prepayment Rate Decrease in fair value from 25 basis points (“bps”) adverse change $ (226 ) $ (285 ) Decrease in fair value from 50 bps adverse change (447 ) (566 ) Discount Rate Decrease in fair value from 25 bps adverse change (226 ) (292 ) Decrease in fair value from 50 bps adverse change (447 ) (577 )

Low Income Housing Tax Credit26

Low Income Housing Tax Credit Partnerships (Tables)	3 Months Ended
	Mar. 31, 2016
Equity Method Investments and Joint Ventures [Abstract]
Equity Method Investments	As of March 31, 2016 , the expected payments for unfunded affordable housing commitments were as follows: (dollars in thousands) Amount 2016 $ 12,485 2017 10,847 2018 33 2019 75 2020 65 Thereafter — Total Unfunded Commitments $ 23,505 The following table presents tax credits and other tax benefits recognized and amortization expense related to affordable housing for the three months ended March 31, 2016 and 2015 . Three Months Ended (dollars in thousands) 2016 2015 Effective Yield Method Tax credits and other tax benefits recognized $ 3,516 $ 3,389 Amortization Expense in Provision for Income Taxes 2,174 1,893 Proportional Amortization Method Tax credits and other tax benefits recognized $ 259 $ — Amortization Expense in Provision for Income Taxes 200 —

Balance Sheet Offsetting (Table

Balance Sheet Offsetting (Tables)	3 Months Ended
	Mar. 31, 2016
Offsetting [Abstract]
Schedule of Repurchase Agreements - by maturity date and collateral type	The following table presents the remaining contractual maturities of the Company’s repurchase agreements as of March 31, 2016 and December 31, 2015 , respectively, disaggregated by the class of collateral pledged. Remaining Contractual Maturity of Repurchase Agreements (dollars in thousands) Up to 91-365 days 1-3 Years After Total March 31, 2016 Class of Collateral Pledged: Debt Securities Issued by the U.S. Treasury and Government Agencies $ — $ — $ 200,000 $ 110,533 $ 310,533 Debt Securities Issued by States and Political Subdivisions 1,487 8,347 — — 9,834 Mortgage-Backed Securities: Residential - Government Agencies — 53,087 — 96,457 149,544 Residential - U.S. Government-Sponsored Enterprises — 23,864 — 93,010 116,874 Total $ 1,487 $ 85,298 $ 200,000 $ 300,000 $ 586,785 December 31, 2015 Class of Collateral Pledged: Debt Securities Issued by the U.S. Treasury and Government Agencies $ — $ — $ 200,000 $ 110,313 $ 310,313 Debt Securities Issued by States and Political Subdivisions 47,915 4,692 100 — 52,707 Mortgage-Backed Securities: Residential - Government Agencies 1,150 51,169 — 102,919 155,238 Residential - U.S. Government-Sponsored Enterprises — 23,831 — 86,768 110,599 Total $ 49,065 $ 79,692 $ 200,100 $ 300,000 $ 628,857
Schedule of assets and liabilities subject to an enforceable master netting arrangement	The following table presents the assets and liabilities subject to an enforceable master netting arrangement, or repurchase agreements, as of March 31, 2016 and December 31, 2015 . The swap agreements we have with our commercial banking customers are not subject to an enforceable master netting arrangement, and therefore, are excluded from this table. (i) (ii) (iii) = (i)-(ii) (iv) (v) = (iii)-(iv) Gross Amounts Recognized in the Statements of Condition Gross Amounts Offset in the Statements of Condition Net Amounts Presented in the Statements of Condition Gross Amounts Not Offset in the Statements of Condition (dollars in thousands) Netting Adjustments per Master Netting Arrangements Fair Value of Collateral Pledged 1 Net Amount March 31, 2016 Assets: Interest Rate Swap Agreements: Institutional Counterparties $ 193 $ — $ 193 $ 193 $ — $ — Liabilities: Interest Rate Swap Agreements: Institutional Counterparties 15,533 — 15,533 193 — 15,340 Repurchase Agreements: Private Institutions 575,000 — 575,000 — 575,000 — Government Entities 11,785 — 11,785 — 11,785 — $ 586,785 $ — $ 586,785 $ — $ 586,785 $ — December 31, 2015 Assets: Interest Rate Swap Agreements: Institutional Counterparties $ 261 $ — $ 261 $ 261 $ — $ — Liabilities: Interest Rate Swap Agreements: Institutional Counterparties 13,312 — 13,312 261 — 13,051 Repurchase Agreements: Private Institutions 575,000 — 575,000 — 575,000 — Government Entities 53,857 — 53,857 — 53,857 — $ 628,857 $ — $ 628,857 $ — $ 628,857 $ — 1 The application of collateral cannot reduce the net amount below zero. Therefore, excess collateral is not reflected in this table. For repurchase agreements with private institutions, the fair value of investment securities pledged was $663.5 million and $663.2 million as of March 31, 2016 and December 31, 2015 , respectively. For repurchase agreements with government entities, the fair value of investment securities pledged was $16.1 million and $66.9 million as of March 31, 2016 and December 31, 2015 , respectively.

Accumulated Other Comprehensi28

Accumulated Other Comprehensive Income (Loss) (Tables)	3 Months Ended
	Mar. 31, 2016
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Components of other comprehensive income	The following table presents the components of other comprehensive income (loss) for the three months ended March 31, 2016 and 2015 : (dollars in thousands) Before Tax Tax Effect Net of Tax Three Months Ended March 31, 2016 Net Unrealized Gains (Losses) on Investment Securities: Net Unrealized Gains (Losses) Arising During the Period $ 13,944 $ 5,505 $ 8,439 Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) that (Increase) Decrease Net Income: Amortization of Unrealized Holding (Gains) Losses on Held-to-Maturity Securities 1 422 167 255 Net Unrealized Gains (Losses) on Investment Securities 14,366 5,672 8,694 Defined Benefit Plans: Amortization of Net Actuarial Losses (Gains) 314 124 190 Amortization of Prior Service Credit (81 ) (32 ) (49 ) Defined Benefit Plans, Net 233 92 141 Other Comprehensive Income (Loss) $ 14,599 $ 5,764 $ 8,835 Three Months Ended March 31, 2015 Net Unrealized Gains (Losses) on Investment Securities: Net Unrealized Gains (Losses) Arising During the Period $ 8,711 $ 3,435 $ 5,276 Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) that (Increase) Decrease Net Income: Amortization of Unrealized Holding (Gains) Losses on Held-to-Maturity Securities 1 30 12 18 Net Unrealized Gains (Losses) on Investment Securities 8,741 3,447 5,294 Defined Benefit Plans: Amortization of Net Actuarial Losses (Gains) 443 174 269 Amortization of Prior Service Credit (81 ) (32 ) (49 ) Defined Benefit Plans, Net 362 142 220 Other Comprehensive Income (Loss) $ 9,103 $ 3,589 $ 5,514 1 The amount relates to the amortization/accretion of unrealized net gains and losses related to the Company's reclassification of available-for-sale investment securities to the held-to-maturity category. The unrealized net gains/losses will be amortized/accreted over the remaining life of the investment securities as an adjustment of yield.
Schedule of accumulated other comprehensive income (loss)	The following table presents the changes in each component of accumulated other comprehensive income (loss), net of tax, for the three months ended March 31, 2016 and 2015 : (dollars in thousands) Investment Securities-Available-for-Sale Investment Securities-Held-to-Maturity Defined Benefit Plans Accumulated Other Comprehensive Income (Loss) Three Months Ended March 31, 2016 Balance at Beginning of Period $ 12,559 $ (7,255 ) $ (28,861 ) $ (23,557 ) Other Comprehensive Income (Loss) Before Reclassifications 8,439 — — 8,439 Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) — 255 141 396 Total Other Comprehensive Income (Loss) 8,439 255 141 8,835 Balance at End of Period $ 20,998 $ (7,000 ) $ (28,720 ) $ (14,722 ) Three Months Ended March 31, 2015 Balance at Beginning of Period $ 15,984 $ (8,555 ) $ (34,115 ) $ (26,686 ) Other Comprehensive Income (Loss) Before Reclassifications 5,276 — — 5,276 Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) — 18 220 238 Total Other Comprehensive Income (Loss) 5,276 18 220 5,514 Balance at End of Period $ 21,260 $ (8,537 ) $ (33,895 ) $ (21,172 )
Reclassification out of accumulated other comprehensive income	The following table presents the amounts reclassified out of each component of accumulated other comprehensive income (loss) for the three months ended March 31, 2016 and 2015 : Details about Accumulated Other Comprehensive Income (Loss) Components Amount Reclassified from Accumulated Other Comprehensive Income (Loss) 1 Affected Line Item in the Statement Where Net Income Is Presented Three Months Ended March 31, (dollars in thousands) 2016 2015 Amortization of Unrealized Holding Gains (Losses) on Investment Securities Held-to-Maturity $ (422 ) $ (30 ) Interest Income 167 12 Provision for Income Tax (255 ) (18 ) Net of Tax Amortization of Defined Benefit Plan Items Prior Service Credit 2 81 81 Net Actuarial Losses 2 (314 ) (443 ) (233 ) (362 ) Total Before Tax 92 142 Provision for Income Tax (141 ) (220 ) Net of Tax Total Reclassifications for the Period $ (396 ) $ (238 ) Net of Tax 1 Amounts in parentheses indicate reductions to net income. 2 These accumulated other comprehensive income (loss) components are included in the computation of net periodic benefit cost and are included in Salaries and Benefits on the consolidated statements of income (see Note 10 Pension Plans and Postretirement Benefit Plan for additional details).

Earnings Per Share (Tables)

Earnings Per Share (Tables)	3 Months Ended
	Mar. 31, 2016
Earnings Per Share [Abstract]
Reconciliation of the weighted average number of common shares outstanding for computing diluted earnings per share and antidilutive stock options and restricted stock outstanding	The following is a reconciliation of the weighted average number of common shares outstanding for computing diluted earnings per share and antidilutive stock options and restricted stock outstanding for the three months ended March 31, 2016 and 2015 : Three Months Ended 2016 2015 Denominator for Basic Earnings Per Share 42,920,794 43,386,402 Dilutive Effect of Equity Based Awards 205,732 211,102 Denominator for Diluted Earnings Per Share 43,126,526 43,597,504 Antidilutive Stock Options and Restricted Stock Outstanding 28,224 —

Business Segments (Tables)

Business Segments (Tables)	3 Months Ended
	Mar. 31, 2016
Segment Reporting [Abstract]
Selected Business Segment Financial Information	Selected business segment financial information as of and for the three months ended March 31, 2016 and 2015 were as follows: (dollars in thousands) Retail Banking Commercial Banking Investment Services Treasury and Other Consolidated Total Three Months Ended March 31, 2016 Net Interest Income $ 58,010 $ 38,348 $ 6,452 $ 214 $ 103,024 Provision for Credit Losses 2,835 (6,626 ) (6 ) 1,797 (2,000 ) Net Interest Income After Provision for Credit Losses 55,175 44,974 6,458 (1,583 ) 105,024 Noninterest Income 20,807 7,600 14,024 13,776 56,207 Noninterest Expense (52,741 ) (17,268 ) (15,427 ) (1,950 ) (87,386 ) Income Before Provision for Income Taxes 23,241 35,306 5,055 10,243 73,845 Provision for Income Taxes (8,227 ) (12,656 ) (1,870 ) (882 ) (23,635 ) Net Income $ 15,014 $ 22,650 $ 3,185 $ 9,361 $ 50,210 Total Assets as of March 31, 2016 $ 4,763,749 $ 3,196,413 $ 284,891 $ 7,409,642 $ 15,654,695 Three Months Ended March 31, 2015 Net Interest Income $ 48,349 $ 34,274 $ 4,300 $ 9,847 $ 96,770 Provision for Credit Losses 1,723 (464 ) (8 ) (1,251 ) — Net Interest Income After Provision for Credit Losses 46,626 34,738 4,308 11,098 96,770 Noninterest Income 19,108 5,651 14,726 12,822 52,307 Noninterest Expense (50,340 ) (17,886 ) (14,590 ) (4,099 ) (86,915 ) Income Before Provision for Income Taxes 15,394 22,503 4,444 19,821 62,162 Provision for Income Taxes (5,526 ) (7,865 ) (1,644 ) (4,685 ) (19,720 ) Net Income $ 9,868 $ 14,638 $ 2,800 $ 15,136 $ 42,442 Total Assets as of March 31, 2015 $ 4,239,641 $ 2,910,911 $ 188,399 $ 7,800,228 $ 15,139,179

Pension Plans and Postretirem31

Pension Plans and Postretirement Benefit Plan (Tables)	3 Months Ended
	Mar. 31, 2016
Compensation and Retirement Disclosure [Abstract]
Schedule of components of net periodic benefit cost	Components of net periodic benefit cost for the Company’s pension plans and the postretirement benefit plan are presented in the following table for the three months ended March 31, 2016 and 2015 . Pension Benefits Postretirement Benefits (dollars in thousands) 2016 2015 2016 2015 Three Months Ended March 31, Service Cost $ — $ — $ 137 $ 182 Interest Cost 1,209 1,186 294 324 Expected Return on Plan Assets (1,281 ) (1,304 ) — — Amortization of: Prior Service Credit — — (81 ) (81 ) Net Actuarial Losses (Gains) 389 443 (75 ) — Net Periodic Benefit Cost $ 317 $ 325 $ 275 $ 425

Derivative Financial Instrume32

Derivative Financial Instruments (Tables)	3 Months Ended
	Mar. 31, 2016
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Schedule of the notional amount and fair value of the derivative financial instruments	The notional amount and fair value of the Company's derivative financial instruments as of March 31, 2016 and December 31, 2015 were as follows: March 31, 2016 December 31, 2015 (dollars in thousands) Notional Amount Fair Value Notional Amount Fair Value Interest Rate Lock Commitments $ 7,965 $ 415 $ 4,375 $ 270 Forward Commitments 20,118 (115 ) 5,862 4 Interest Rate Swap Agreements Receive Fixed/Pay Variable Swaps 215,103 15,296 203,667 13,021 Pay Fixed/Receive Variable Swaps 215,103 (15,340 ) 203,667 (13,051 ) Foreign Exchange Contracts 33,997 108 42,777 104
Derivative financial instruments, their fair values, and balance sheet location	The following table presents the Company’s derivative financial instruments, their fair values, and balance sheet location as of March 31, 2016 and December 31, 2015 : Derivative Financial Instruments March 31, 2016 December 31, 2015 Not Designated as Hedging Instruments 1 Asset Liability Asset Liability (dollars in thousands) Derivatives Derivatives Derivatives Derivatives Interest Rate Lock Commitments $ 415 $ — $ 270 $ — Forward Commitments — 115 5 1 Interest Rate Swap Agreements 15,681 15,725 13,543 13,573 Foreign Exchange Contracts 125 17 149 45 Total $ 16,221 $ 15,857 $ 13,967 $ 13,619 1 Asset derivatives are included in other assets and liability derivatives are included in other liabilities in the consolidated statements of condition.
Derivative financial instruments and the amount and location of the net gains or losses recognized in the statements of income	The following table presents the Company’s derivative financial instruments and the amount and location of the net gains or losses recognized in the consolidated statements of income for the three months ended March 31, 2016 and 2015 : Location of Derivative Financial Instruments Net Gains (Losses) Three Months Ended Not Designated as Hedging Instruments Recognized in the March 31, (dollars in thousands) Statements of Income 2016 2015 Interest Rate Lock Commitments Mortgage Banking $ 986 $ 587 Forward Commitments Mortgage Banking (478 ) 22 Interest Rate Swap Agreements Other Noninterest Income 109 — Foreign Exchange Contracts Other Noninterest Income 709 649 Total $ 1,326 $ 1,258

Commitments, Contingencies, a33

Commitments, Contingencies, and Guarantees (Tables)	3 Months Ended
	Mar. 31, 2016
Commitments and Contingencies Disclosure [Abstract]
Credit commitments	The Company’s credit commitments as of March 31, 2016 and December 31, 2015 were as follows: (dollars in thousands) March 31, December 31, Unfunded Commitments to Extend Credit $ 2,613,922 $ 2,604,429 Standby Letters of Credit 58,528 48,153 Commercial Letters of Credit 17,286 15,867 Total Credit Commitments $ 2,689,736 $ 2,668,449

Fair Value of Assets and Liab34

Fair Value of Assets and Liabilities (Tables)	3 Months Ended
	Mar. 31, 2016
Fair Value Disclosures [Abstract]
Balances of assets and liabilities measured at fair value on a recurring basis	The table below presents the balances of assets and liabilities measured at fair value on a recurring basis as of March 31, 2016 and December 31, 2015 : Quoted Prices in Active Markets for Identical Assets or Liabilities Significant Other Observable Inputs Significant Unobservable Inputs (dollars in thousands) (Level 1) (Level 2) (Level 3) Total March 31, 2016 Assets: Investment Securities Available-for-Sale Debt Securities Issued by the U.S. Treasury and Government Agencies $ 546 $ 434,572 $ — $ 435,118 Debt Securities Issued by States and Political Subdivisions — 708,220 — 708,220 Debt Securities Issued by Corporations — 308,742 — 308,742 Mortgage-Backed Securities: Residential - Government Agencies — 287,245 — 287,245 Residential - U.S. Government-Sponsored Enterprises — 457,962 — 457,962 Commercial - Government Agencies — 96,464 — 96,464 Total Mortgage-Backed Securities — 841,671 — 841,671 Total Investment Securities Available-for-Sale 546 2,293,205 — 2,293,751 Loans Held for Sale — 16,854 — 16,854 Mortgage Servicing Rights — — 1,910 1,910 Other Assets 18,347 — — 18,347 Derivatives 1 — 125 16,096 16,221 Total Assets Measured at Fair Value on a $ 18,893 $ 2,310,184 $ 18,006 $ 2,347,083 Liabilities: Derivatives 1 $ — $ 132 $ 15,725 $ 15,857 Total Liabilities Measured at Fair Value on a $ — $ 132 $ 15,725 $ 15,857 December 31, 2015 Assets: Investment Securities Available-for-Sale Debt Securities Issued by the U.S. Treasury and Government Agencies $ 545 $ 358,349 $ — $ 358,894 Debt Securities Issued by States and Political Subdivisions — 731,918 — 731,918 Debt Securities Issued by Corporations — 308,870 — 308,870 Mortgage-Backed Securities: Residential - Government Agencies — 316,245 — 316,245 Residential - U.S. Government-Sponsored Enterprises — 441,864 — 441,864 Commercial - Government Agencies — 99,027 — 99,027 Total Mortgage-Backed Securities — 857,136 — 857,136 Total Investment Securities Available-for-Sale 545 2,256,273 — 2,256,818 Loans Held for Sale — 4,808 — 4,808 Mortgage Servicing Rights — — 1,970 1,970 Other Assets 20,262 — — 20,262 Derivatives 1 — 154 13,813 13,967 Total Assets Measured at Fair Value on a $ 20,807 $ 2,261,235 $ 15,783 $ 2,297,825 Liabilities: Derivatives 1 $ — $ 46 $ 13,573 $ 13,619 Total Liabilities Measured at Fair Value on a $ — $ 46 $ 13,573 $ 13,619 1 The fair value of each class of derivatives is shown in Note 11 Derivative Financial Instruments .
Changes in Level 3 assets and liabilities measured at fair value on a recurring basis	For the three months ended March 31, 2016 and 2015 , the changes in Level 3 assets and liabilities measured at fair value on a recurring basis were as follows: (dollars in thousands) Mortgage Servicing Rights 1 Net Derivative Assets and Liabilities 2 Three Months Ended March 31, 2016 Balance as of January 1, 2016 $ 1,970 $ 240 Realized and Unrealized Net Gains (Losses): Included in Net Income (60 ) 972 Transfers to Loans Held for Sale — (841 ) Balance as of March 31, 2016 $ 1,910 $ 371 Total Unrealized Net Gains (Losses) Included in Net Income $ — $ 371 Three Months Ended March 31, 2015 Balance as of January 1, 2015 $ 2,604 $ 118 Realized and Unrealized Net Gains (Losses): Included in Net Income (327 ) 587 Transfers to Loans Held for Sale — (435 ) Balance as of March 31, 2015 $ 2,277 $ 270 Total Unrealized Net Gains (Losses) Included in Net Income $ (251 ) $ 270 1 Realized and unrealized gains and losses related to mortgage servicing rights are reported as a component of mortgage banking income in the Company’s consolidated statements of income. 2 Realized and unrealized gains and losses related to interest rate lock commitments are reported as a component of mortgage banking income in the Company’s consolidated statements of income. Realized and unrealized gains and losses related to interest rate swap agreements are reported as a component of other noninterest income in the Company’s consolidated statements of income.
Summary of the significant unobservable inputs	For Level 3 assets and liabilities measured at fair value on a recurring or nonrecurring basis as of March 31, 2016 and December 31, 2015 , the significant unobservable inputs used in the fair value measurements were as follows: Significant Unobservable Inputs (weighted-average) Fair Value (dollars in thousands) Valuation Technique Description Mar. 31, Dec. 31, Mar. 31, Dec. 31, Mortgage Servicing Rights Discounted Cash Flow Constant Prepayment Rate 1 12.33 % 9.10 % $ 22,751 $ 26,774 Discount Rate 2 9.76 % 9.38 % Net Derivative Assets and Liabilities: Interest Rate Lock Commitments Pricing Model Closing Ratio 90.79 % 94.70 % $ 415 $ 270 Interest Rate Swap Agreements Discounted Cash Flow Credit Factor 0.28 % 0.22 % $ (44 ) $ (30 ) 1 Represents annualized loan repayment rate assumption. 2 Derived from multiple interest rate scenarios that incorporate a spread to the London Interbank Offered Rate swap curve and market volatilities.
Assets and liabilities measured at fair value on a nonrecurring basis	The following table represents the assets measured at fair value on a nonrecurring basis as of March 31, 2016 and December 31, 2015 . (dollars in thousands) Fair Value Hierarchy Net Carrying Amount Valuation Allowance March 31, 2016 Mortgage Servicing Rights - amortization method Level 3 $ 20,753 $ 106 December 31, 2015 Mortgage Servicing Rights - amortization method Level 3 $ 21,032 $ 21 Foreclosed Real Estate Level 3 824 — Other Assets - Equipment Held for Sale Level 3 4,657 9,453
Schedule of difference between the aggregate fair value and the aggregate unpaid principal balance of the Company's residential mortgage loans held for sale	The following table reflects the difference between the aggregate fair value and the aggregate unpaid principal balance of the Company’s residential mortgage loans held for sale as of March 31, 2016 and December 31, 2015 . (dollars in thousands) Aggregate Fair Value Aggregate Unpaid Principal Aggregate Fair Value Unpaid Principal March 31, 2016 Loans Held for Sale $ 16,854 $ 16,251 $ 603 December 31, 2015 Loans Held for Sale $ 4,808 $ 4,575 $ 233
Schedule of carrying amount, fair value, and fair value hierarchy of financial instruments	The following presents the carrying amount, fair value, and placement in the fair value hierarchy of the Company’s financial instruments not recorded at fair value on a recurring basis as of March 31, 2016 and December 31, 2015 . This table excludes financial instruments for which the carrying amount approximates fair value. For short-term financial assets such as cash and cash equivalents, the carrying amount is a reasonable estimate of fair value due to the relatively short time between the origination of the instrument and its expected realization. For non-marketable equity securities such as Federal Home Loan Bank and Federal Reserve Bank stock, the carrying amount is a reasonable estimate of fair value as these securities can only be redeemed or sold at their par value and only to the respective issuing government supported institution or to another member institution. For financial liabilities such as noninterest-bearing demand, interest-bearing demand, and savings deposits, the carrying amount is a reasonable estimate of fair value due to these products having no stated maturity. Fair Value Measurements Carrying Quoted Prices in Active Markets for Identical Assets or Liabilities Significant Other Observable Inputs Significant Unobservable Inputs (dollars in thousands) Amount Fair Value (Level 1) (Level 2) (Level 3) March 31, 2016 Financial Instruments - Assets Investment Securities Held-to-Maturity $ 3,911,703 $ 3,981,830 $ 494,557 $ 3,487,273 $ — Loans 1 7,728,297 8,133,640 — — 8,133,640 Financial Instruments - Liabilities Time Deposits 1,228,008 1,231,507 — 1,231,507 — Securities Sold Under Agreements to Repurchase 586,785 586,779 — 586,779 — Other Debt 2 209,938 212,981 — 212,981 — December 31, 2015 Financial Instruments - Assets Investment Securities Held-to-Maturity $ 3,982,736 $ 4,006,412 $ 489,967 $ 3,516,445 $ — Loans 1 7,538,454 7,967,385 — — 7,967,385 Financial Instruments - Liabilities Time Deposits 1,177,651 1,178,837 — 1,178,837 — Securities Sold Under Agreements to Repurchase 628,857 686,853 — 686,853 — Other Debt 2 234,938 235,668 — 235,668 — 1 Net of unearned income and the Allowance. 2 Excludes capitalized lease obligations.

Summary of Significant Accoun35

Summary of Significant Accounting Policies (Variable Interest Entities) (Details 1) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Other Assets [Member]
Variable Interest Entity [Line Items]
Variable Interest Entity, Nonconsolidated, Carrying Amount, Assets	$ 76	$ 79
Low-income housing partnerships [Member]
Variable Interest Entity [Line Items]
Period over which tax credits or benefits are generally recognized (in years)	10 years
Low-income housing partnerships [Member] | Other Liabilities [Member]
Variable Interest Entity [Line Items]
Unfunded commitments to fund low-income housing partnerships	$ 23.5	$ 25.3
Solar energy partnerships [Member]
Variable Interest Entity [Line Items]
Period over which tax credits or benefits are generally recognized (in years)	6 years

Investment Securities (Amortiza

Investment Securities (Amortization Cost, Gross Unrealized Gains/Losses, and Fair Value) (Details 1) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Available-for-Sale:
Available-for-Sale: Amortized Cost	$ 2,259,062	$ 2,236,073
Available-for-Sale: Gross Unrealized Gains	43,709	34,120
Available-for-Sale: Gross Unrealized Losses	(9,020)	(13,375)
Available-for-Sale	2,293,751	2,256,818
Held-to-maturity Securities [Abstract]
Held-to-Maturity: Amortized Cost	3,911,703	3,982,736
Held-to-Maturity: Gross Unrealized Gains	77,393	50,771
Held-to-Maturity: Gross Unrealized Losses	(7,266)	(27,095)
Held-to-Maturity: Fair Value	3,981,830	4,006,412
Debt Securities Issued by the U.S. Treasury and Government Agencies
Available-for-Sale:
Available-for-Sale: Amortized Cost	432,645	356,260
Available-for-Sale: Gross Unrealized Gains	3,423	3,472
Available-for-Sale: Gross Unrealized Losses	(950)	(838)
Available-for-Sale	435,118	358,894
Debt Securities Issued by States and Political Subdivisions
Available-for-Sale:
Available-for-Sale: Amortized Cost	681,195	709,724
Available-for-Sale: Gross Unrealized Gains	27,078	22,498
Available-for-Sale: Gross Unrealized Losses	(53)	(304)
Available-for-Sale	708,220	731,918
Debt Securities Issued by Corporations
Available-for-Sale:
Available-for-Sale: Amortized Cost	313,107	313,136
Available-for-Sale: Gross Unrealized Gains	164	236
Available-for-Sale: Gross Unrealized Losses	(4,529)	(4,502)
Available-for-Sale	308,742	308,870
Mortgage-Backed Securities
Available-for-Sale:
Available-for-Sale: Amortized Cost	832,115	856,953
Available-for-Sale: Gross Unrealized Gains	13,044	7,914
Available-for-Sale: Gross Unrealized Losses	(3,488)	(7,731)
Available-for-Sale	841,671	857,136
Residential - Government Agencies
Available-for-Sale:
Available-for-Sale: Amortized Cost	281,495	310,966
Available-for-Sale: Gross Unrealized Gains	6,900	6,546
Available-for-Sale: Gross Unrealized Losses	(1,150)	(1,267)
Available-for-Sale	287,245	316,245
Residential - U.S. Government-Sponsored Enterprises
Available-for-Sale:
Available-for-Sale: Amortized Cost	451,818	442,760
Available-for-Sale: Gross Unrealized Gains	6,144	1,368
Available-for-Sale: Gross Unrealized Losses	0	(2,264)
Available-for-Sale	457,962	441,864
Commercial - Government Agencies
Available-for-Sale:
Available-for-Sale: Amortized Cost	98,802	103,227
Available-for-Sale: Gross Unrealized Gains	0	0
Available-for-Sale: Gross Unrealized Losses	(2,338)	(4,200)
Available-for-Sale	96,464	99,027
Debt Securities Issued by the U.S. Treasury and Government Agencies
Held-to-maturity Securities [Abstract]
Held-to-Maturity: Amortized Cost	489,757	489,747
Held-to-Maturity: Gross Unrealized Gains	4,800	1,359
Held-to-Maturity: Gross Unrealized Losses	0	(1,139)
Held-to-Maturity: Fair Value	494,557	489,967
Debt Securities Issued by States and Political Subdivisions
Held-to-maturity Securities [Abstract]
Held-to-Maturity: Amortized Cost	245,069	245,980
Held-to-Maturity: Gross Unrealized Gains	18,221	17,114
Held-to-Maturity: Gross Unrealized Losses	0	0
Held-to-Maturity: Fair Value	263,290	263,094
Debt Securities Issued by Corporations
Held-to-maturity Securities [Abstract]
Held-to-Maturity: Amortized Cost	147,409	151,301
Held-to-Maturity: Gross Unrealized Gains	2,131	368
Held-to-Maturity: Gross Unrealized Losses	(367)	(2,041)
Held-to-Maturity: Fair Value	149,173	149,628
Mortgage-Backed Securities
Held-to-maturity Securities [Abstract]
Held-to-Maturity: Amortized Cost	3,029,468	3,095,708
Held-to-Maturity: Gross Unrealized Gains	52,241	31,930
Held-to-Maturity: Gross Unrealized Losses	(6,899)	(23,915)
Held-to-Maturity: Fair Value	$ 3,074,810	$ 3,103,723

Investment Securities (Contract

Investment Securities (Contractual Maturities and Narrative) (Details 2) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Available-for-sale Securities, Debt Maturities, Single Maturity Date, Amortized Cost Basis Rolling Maturity[Abstract]
Due in One Year or Less	$ 55,617
Due After One Year Through Five Years	469,600
Due After Five Years Through Ten Years	402,326
Due After Ten Years	67,304
Amortized Cost, Total	994,847
Available-for-sale Securities, Debt Maturities, Single Maturity Date, Rolling Maturities [Abstract]
Due in One Year or Less	55,771
Due After One Year Through Five Years	473,721
Due After Five Years Through Ten Years	416,186
Due After Ten Years	71,830
Fair Value, Total	1,017,508
Available-for-Sale: Amortized Cost	2,259,062	$ 2,236,073
Available-for-Sale: Fair Value	2,293,751	2,256,818
Held-to-maturity Securities, Debt Maturities, Single Maturity Date, Amortized Cost Basis, Rolling Maturities (Abstract]
Due After One Year Through Five Years	522,304
Due After Five Years Through Ten Years	288,542
Due After Ten Years	71,389
Amortized Cost, Total	882,235
Held-to-Maturity Securities, Debt Maturities, Single Maturity Date, Fair Value, Rolling Maturities [Abstract]
Due After One Year Through Five Years	528,610
Due After Five Years Through Ten Years	301,282
Due After Ten Years	77,128
Fair Value, Total	907,020
Held-to-Maturity: Amortized Cost	3,911,703
Held-to-Maturity: Fair Value	3,981,830	4,006,412
Carrying value of investment securities which were pledged to secure deposits of gov't entities and repos	2,600,000	2,500,000
Debt Securities Issued by Government Agencies
Available-for-sale Securities, Debt Maturities, Single Maturity Date, Rolling Maturities [Abstract]
Available-for-sale Securities, Debt Securities Issued by Government Agencies and Mortgage-Backed Securities: Amortized Cost	432,100
Available-for-sale Securities, Debt Securities Issued by Government Agencies and Mortgage-Backed Securities: Fair Value	434,572
Mortgage-Backed Securities
Available-for-sale Securities, Debt Maturities, Single Maturity Date, Rolling Maturities [Abstract]
Available-for-sale Securities, Debt Securities Issued by Government Agencies and Mortgage-Backed Securities: Amortized Cost	832,115
Available-for-sale Securities, Debt Securities Issued by Government Agencies and Mortgage-Backed Securities: Fair Value	841,671
Available-for-Sale: Amortized Cost	832,115	856,953
Available-for-Sale: Fair Value	841,671	857,136
Residential - Government Agencies
Available-for-sale Securities, Debt Maturities, Single Maturity Date, Rolling Maturities [Abstract]
Available-for-sale Securities, Debt Securities Issued by Government Agencies and Mortgage-Backed Securities: Amortized Cost	281,495
Available-for-sale Securities, Debt Securities Issued by Government Agencies and Mortgage-Backed Securities: Fair Value	287,245
Available-for-Sale: Amortized Cost	281,495	310,966
Available-for-Sale: Fair Value	287,245	316,245
Residential - U.S. Government-Sponsored Enterprises
Available-for-sale Securities, Debt Maturities, Single Maturity Date, Rolling Maturities [Abstract]
Available-for-sale Securities, Debt Securities Issued by Government Agencies and Mortgage-Backed Securities: Amortized Cost	451,818
Available-for-sale Securities, Debt Securities Issued by Government Agencies and Mortgage-Backed Securities: Fair Value	457,962
Available-for-Sale: Amortized Cost	451,818	442,760
Available-for-Sale: Fair Value	457,962	441,864
Commercial - Government Agencies
Available-for-sale Securities, Debt Maturities, Single Maturity Date, Rolling Maturities [Abstract]
Available-for-sale Securities, Debt Securities Issued by Government Agencies and Mortgage-Backed Securities: Amortized Cost	98,802
Available-for-sale Securities, Debt Securities Issued by Government Agencies and Mortgage-Backed Securities: Fair Value	96,464
Available-for-Sale: Amortized Cost	98,802	103,227
Available-for-Sale: Fair Value	96,464	99,027
Mortgage-Backed Securities
Held-to-Maturity Securities, Debt Maturities, Single Maturity Date, Fair Value, Rolling Maturities [Abstract]
Held-to-Maturity: Mortgage-Backed Securities: Amortized Cost	3,029,468
Held-to-Maturity: Mortgage-Backed Securities: Fair Value	3,074,810
Held-to-Maturity: Fair Value	$ 3,074,810	$ 3,103,723

Investment Securities (Gains an

Investment Securities (Gains and Losses on Sales) (Details 3) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Investments, Debt and Equity Securities [Abstract]
Gross Gains on Sales of Investment Securities	$ 11,180	$ 10,231
Gross Losses on Sales of Investment Securities	0	0
Net Gains on Sales of Investment Securities	$ 11,180	$ 10,231

Investment Securities (Unrealiz

Investment Securities (Unrealized Position - Less than 12 Mos., 12 Mos. or Longer) (Details 4) $ in Thousands	Mar. 31, 2016USD ($)security	Dec. 31, 2015USD ($)
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Less Than 12 Months, Fair Value	$ 289,972	$ 695,059
Less Than 12 Months, Gross Unrealized Losses	(2,198)	(5,215)
12 Months or Longer, Fair Value	319,964	282,697
12 Months or Longer, Gross Unrealized Losses	(6,822)	(8,160)
Total Fair Value	609,936	977,756
Total Gross Unrealized Losses	(9,020)	(13,375)
Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract]
Less Than 12 Months, Fair Value	163,385	1,379,654
Less Than 12 Months, Gross Unrealized Losses	(571)	(10,607)
12 Months or Longer, Fair Value	642,949	537,622
12 Months or Longer, Gross Unrealized Losses	(6,695)	(16,488)
Total Fair Value	806,334	1,917,276
Total Gross Unrealized Losses	$ (7,266)	(27,095)
Number of investment securities that were in an unrealized loss position | security	123
Debt Securities Issued by the U.S. Treasury and Government Agencies
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Less Than 12 Months, Fair Value	$ 187,522	144,260
Less Than 12 Months, Gross Unrealized Losses	(804)	(822)
12 Months or Longer, Fair Value	21,364	5,452
12 Months or Longer, Gross Unrealized Losses	(146)	(16)
Total Fair Value	208,886	149,712
Total Gross Unrealized Losses	(950)	(838)
Debt Securities Issued by States and Political Subdivisions
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Less Than 12 Months, Fair Value	3,231	72,248
Less Than 12 Months, Gross Unrealized Losses	(5)	(252)
12 Months or Longer, Fair Value	6,779	6,798
12 Months or Longer, Gross Unrealized Losses	(48)	(52)
Total Fair Value	10,010	79,046
Total Gross Unrealized Losses	(53)	(304)
Debt Securities Issued by Corporations
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Less Than 12 Months, Fair Value	86,681	101,269
Less Than 12 Months, Gross Unrealized Losses	(1,333)	(1,747)
12 Months or Longer, Fair Value	186,856	162,304
12 Months or Longer, Gross Unrealized Losses	(3,196)	(2,755)
Total Fair Value	273,537	263,573
Total Gross Unrealized Losses	(4,529)	(4,502)
Mortgage-Backed Securities
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Less Than 12 Months, Fair Value	12,538	377,282
Less Than 12 Months, Gross Unrealized Losses	(56)	(2,394)
12 Months or Longer, Fair Value	104,965	108,143
12 Months or Longer, Gross Unrealized Losses	(3,432)	(5,337)
Total Fair Value	117,503	485,425
Total Gross Unrealized Losses	(3,488)	(7,731)
Residential - Government Agencies
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Less Than 12 Months, Fair Value	12,538	30,679
Less Than 12 Months, Gross Unrealized Losses	(56)	(130)
12 Months or Longer, Fair Value	8,501	9,117
12 Months or Longer, Gross Unrealized Losses	(1,094)	(1,137)
Total Fair Value	21,039	39,796
Total Gross Unrealized Losses	(1,150)	(1,267)
Residential - U.S. Government-Sponsored Enterprises
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Less Than 12 Months, Fair Value		346,603
Less Than 12 Months, Gross Unrealized Losses		(2,264)
12 Months or Longer, Fair Value		0
12 Months or Longer, Gross Unrealized Losses		0
Total Fair Value		346,603
Total Gross Unrealized Losses		(2,264)
Commercial - Government Agencies
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Less Than 12 Months, Fair Value	0	0
Less Than 12 Months, Gross Unrealized Losses	0	0
12 Months or Longer, Fair Value	96,464	99,026
12 Months or Longer, Gross Unrealized Losses	(2,338)	(4,200)
Total Fair Value	96,464	99,026
Total Gross Unrealized Losses	(2,338)	(4,200)
Debt Securities Issued by the U.S. Treasury and Government Agencies
Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract]
Less Than 12 Months, Fair Value		264,747
Less Than 12 Months, Gross Unrealized Losses		(1,139)
12 Months or Longer, Fair Value		0
12 Months or Longer, Gross Unrealized Losses		0
Total Fair Value		264,747
Total Gross Unrealized Losses		(1,139)
Debt Securities Issued by Corporations
Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract]
Less Than 12 Months, Fair Value	8,735	28,218
Less Than 12 Months, Gross Unrealized Losses	(17)	(66)
12 Months or Longer, Fair Value	41,043	71,208
12 Months or Longer, Gross Unrealized Losses	(350)	(1,975)
Total Fair Value	49,778	99,426
Total Gross Unrealized Losses	(367)	(2,041)
Mortgage-Backed Securities
Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract]
Less Than 12 Months, Fair Value	154,650	1,086,689
Less Than 12 Months, Gross Unrealized Losses	(554)	(9,402)
12 Months or Longer, Fair Value	601,906	466,414
12 Months or Longer, Gross Unrealized Losses	(6,345)	(14,513)
Total Fair Value	756,556	1,553,103
Total Gross Unrealized Losses	$ (6,899)	$ (23,915)

(Interest Income - Taxable_Non-

(Interest Income - Taxable/Non-Taxable Invest. Sec.) (Details 5) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Taxable And Non-Taxable Interest Income [Abstract]
Interest Income from Investment Securities, Taxable	$ 25,987	$ 29,292
Interest Income from Investment Securities, Non-Taxable	5,218	5,313
Total Interest Income from Investment Securities	$ 31,205	$ 34,605

Investment Securities (Municipa

Investment Securities (Municipal Bonds Narrative) (Details 6) $ in Millions	3 Months Ended
	Mar. 31, 2016USD ($)
Schedule of Available-for-sale Securities [Line Items]
Municipal Debt Securities Issued by One Single State or Political Subdivision as Percentage of Total Fair Value of Entire Municipal Debt Securities Threshold	10.00%
HAWAII | Debt Securities Issued by States and Political Subdivisions
Schedule of Available-for-sale Securities [Line Items]
Debt Securities Issued by State and Political Subdivision, State of Hawaii	$ 551.4
Municipal Debt Securities | Geographic Concentration Risk | HAWAII | Debt Securities Issued by States and Political Subdivisions
Schedule of Available-for-sale Securities [Line Items]
Concentration Risk, Percentage	57.00%
Hawaiian Municipal Debt Securities | Investment Concentration Risk | HAWAII | General Obligation Bond
Schedule of Available-for-sale Securities [Line Items]
Concentration Risk, Percentage	76.00%
Moody's, Aa2 or Better Rating | Hawaiian Municipal Debt Securities | Investment Concentration Risk | HAWAII | Debt Securities Issued by States and Political Subdivisions
Schedule of Available-for-sale Securities [Line Items]
Concentration Risk, Percentage	94.00%

(FHLB and FRB Stocks) (Details

(FHLB and FRB Stocks) (Details 7) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Investments, Debt and Equity Securities [Abstract]
Federal Home Loan Bank Stock	$ 18,000	$ 19,000
Federal Reserve Bank Stock	19,958	19,836
Total	$ 37,958	$ 38,836

Investment Securities (Visa Cla

Investment Securities (Visa Class B Restricted Shares Narrative) (Details 8) $ in Thousands	3 Months Ended
	Mar. 31, 2016USD ($)shares	Mar. 31, 2015USD ($)
Net Investment Income [Line Items]
Net Gain on Sale of Investment Securities | $	$ 11,180	$ 10,231
Visa Class B Restricted Securities
Net Investment Income [Line Items]
Conversion Ratio to Class A shares	1.6483
Net Gain on Sale of Investment Securities | $	$ 11,200
Sale of investment securities, shares	100,000
Equity securities remaining, shares	188,714
Visa Class A Unrestricted Securities
Net Investment Income [Line Items]
Equity securities remaining, shares	311,057

Loans and Leases and the Allo44

Loans and Leases and the Allowance for Loan and Lease Losses (Loans and Leases Portfolio and Narrative) (Details 1) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Loan and lease portfolio
Loans and Leases	$ 8,065,610	$ 7,178,628	$ 7,878,985
Net Gains Related to Sales of Mortgage Loans	1,800	500
Commercial
Loan and lease portfolio
Loans and Leases	3,256,253	2,955,110	3,153,852
Commercial | Commercial and Industrial
Loan and lease portfolio
Loans and Leases	1,180,341		1,115,168
Commercial | Commercial Mortgage
Loan and lease portfolio
Loans and Leases	1,687,199		1,677,147
Commercial | Construction
Loan and lease portfolio
Loans and Leases	192,909		156,660
Commercial | Lease Financing
Loan and lease portfolio
Loans and Leases	195,804		204,877
Consumer
Loan and lease portfolio
Loans and Leases	4,809,357	$ 4,223,518	4,725,133
Consumer | Residential Mortgage
Loan and lease portfolio
Loans and Leases	2,929,388		2,925,605
Consumer | Home Equity
Loan and lease portfolio
Loans and Leases	1,131,796		1,069,400
Consumer | Automobile
Loan and lease portfolio
Loans and Leases	399,825		381,735
Consumer | Other
Loan and lease portfolio
Loans and Leases	$ 348,348		$ 348,393

Loans and Leases and the Allo45

Loans and Leases and the Allowance for Loan and Lease Losses (Allowance for Loan and Lease Losses) (Details 2) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015
Allowance for Loan and Lease Losses:
Balance at Beginning of Period	$ 102,880	$ 108,688
Loans and Leases Charged-Off	(4,887)	(4,088)
Recoveries on Loans and Leases Previously Charged-Off	8,684	2,861
Net Loans and Leases Recovered (Charged-Off)	3,797	(1,227)
Provision for Credit Losses	(2,000)	0
Balance at End of Period	104,677	107,461
Allowance for Loan and Lease Losses:
Individually Evaluated for Impairment			$ 3,563		$ 5,746
Collectively Evaluated for Impairment			101,114		101,715
Total	102,880	108,688	104,677	$ 102,880	107,461
Recorded Investment in Loans and Leases:
Individually Evaluated for Impairment			62,014		65,537
Collectively Evaluated for Impairment			8,003,596		7,113,091
Total Loans and Leases			8,065,610	7,878,985	7,178,628
Commercial
Allowance for Loan and Lease Losses:
Balance at Beginning of Period	60,714	64,551
Loans and Leases Charged-Off	(257)	(235)
Recoveries on Loans and Leases Previously Charged-Off	6,905	736
Net Loans and Leases Recovered (Charged-Off)	6,648	501
Provision for Credit Losses	(5,552)	782
Balance at End of Period	61,810	65,834
Allowance for Loan and Lease Losses:
Individually Evaluated for Impairment			157		2,212
Collectively Evaluated for Impairment			61,653		63,622
Total	60,714	64,551	61,810	60,714	65,834
Recorded Investment in Loans and Leases:
Individually Evaluated for Impairment			22,986		26,084
Collectively Evaluated for Impairment			3,233,267		2,929,026
Total Loans and Leases			3,256,253	3,153,852	2,955,110
Consumer
Allowance for Loan and Lease Losses:
Balance at Beginning of Period	42,166	44,137
Loans and Leases Charged-Off	(4,630)	(3,853)
Recoveries on Loans and Leases Previously Charged-Off	1,779	2,125
Net Loans and Leases Recovered (Charged-Off)	(2,851)	(1,728)
Provision for Credit Losses	3,552	(782)
Balance at End of Period	42,867	41,627
Allowance for Loan and Lease Losses:
Individually Evaluated for Impairment			3,406		3,534
Collectively Evaluated for Impairment			39,461		38,093
Total	$ 42,166	$ 44,137	42,867	42,166	41,627
Recorded Investment in Loans and Leases:
Individually Evaluated for Impairment			39,028		39,453
Collectively Evaluated for Impairment			4,770,329		4,184,065
Total Loans and Leases			$ 4,809,357	$ 4,725,133	$ 4,223,518

Loans and Leases and the Allo46

Loans and Leases and the Allowance for Loan and Lease Losses (Credit Quality Indicators & Narrative) (Details 3) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015
Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator
Total Recorded Investment in Loans and Leases	$ 8,065,610	$ 7,878,985	$ 7,178,628
Classified
Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator
Number of months up to which residential and home equity loans may be considered classified, even if they are current as to principal and interest	6 months
Residential Mortgage | Classified
Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator
Number of days past due for loans and leases in classified credit quality indicator	90 days
Maximum current loan-to-value ratio for residential mortgage and home equity loans to be considered as pass (as a percent)	60.00%
Home Equity | Classified
Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator
Number of days past due for loans and leases in classified credit quality indicator	90 days
Maximum current loan-to-value ratio for residential mortgage and home equity loans to be considered as pass (as a percent)	60.00%
Commercial
Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator
Total Recorded Investment in Loans and Leases	$ 3,256,253	3,153,852	2,955,110
Commercial | Pass
Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator
Total Recorded Investment in Loans and Leases	3,142,985	3,010,495
Commercial | Special Mention
Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator
Total Recorded Investment in Loans and Leases	50,330	71,906
Commercial | Classified
Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator
Total Recorded Investment in Loans and Leases	62,938	71,451
Commercial | Commercial and Industrial
Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator
Total Recorded Investment in Loans and Leases	1,180,341	1,115,168
Commercial | Commercial and Industrial | Pass
Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator
Total Recorded Investment in Loans and Leases	1,136,351	1,059,475
Commercial | Commercial and Industrial | Special Mention
Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator
Total Recorded Investment in Loans and Leases	18,180	28,076
Commercial | Commercial and Industrial | Classified
Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator
Total Recorded Investment in Loans and Leases	25,810	27,617
Commercial | Commercial Mortgage
Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator
Total Recorded Investment in Loans and Leases	1,687,199	1,677,147
Commercial | Commercial Mortgage | Pass
Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator
Total Recorded Investment in Loans and Leases	1,619,997	1,591,696
Commercial | Commercial Mortgage | Special Mention
Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator
Total Recorded Investment in Loans and Leases	32,010	43,674
Commercial | Commercial Mortgage | Classified
Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator
Total Recorded Investment in Loans and Leases	35,192	41,777
Commercial | Construction
Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator
Total Recorded Investment in Loans and Leases	192,909	156,660
Commercial | Construction | Pass
Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator
Total Recorded Investment in Loans and Leases	191,257	154,976
Commercial | Construction | Special Mention
Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator
Total Recorded Investment in Loans and Leases	71	80
Commercial | Construction | Classified
Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator
Total Recorded Investment in Loans and Leases	1,581	1,604
Commercial | Lease Financing
Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator
Total Recorded Investment in Loans and Leases	195,804	204,877
Commercial | Lease Financing | Pass
Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator
Total Recorded Investment in Loans and Leases	195,380	204,348
Commercial | Lease Financing | Special Mention
Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator
Total Recorded Investment in Loans and Leases	69	76
Commercial | Lease Financing | Classified
Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator
Total Recorded Investment in Loans and Leases	355	453
Consumer
Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator
Total Recorded Investment in Loans and Leases	4,809,357	4,725,133	$ 4,223,518
Consumer | Pass
Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator
Total Recorded Investment in Loans and Leases	$ 4,790,919	4,704,050
Consumer | Classified
Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator
Number of days past due for loans and leases in classified credit quality indicator	90 days
Total Recorded Investment in Loans and Leases	$ 18,438	21,083
Consumer | Residential Mortgage
Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator
Total Recorded Investment in Loans and Leases	2,929,388	2,925,605
Consumer | Residential Mortgage | Pass
Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator
Total Recorded Investment in Loans and Leases	2,915,669	2,910,667
Consumer | Residential Mortgage | Classified
Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator
Total Recorded Investment in Loans and Leases	13,719	14,938
Consumer | Home Equity
Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator
Total Recorded Investment in Loans and Leases	1,131,796	1,069,400
Consumer | Home Equity | Pass
Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator
Total Recorded Investment in Loans and Leases	1,128,186	1,064,253
Consumer | Home Equity | Classified
Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator
Total Recorded Investment in Loans and Leases	3,610	5,147
Consumer | Automobile
Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator
Total Recorded Investment in Loans and Leases	399,825	381,735
Consumer | Automobile | Pass
Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator
Total Recorded Investment in Loans and Leases	399,301	381,420
Consumer | Automobile | Classified
Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator
Total Recorded Investment in Loans and Leases	524	315
Consumer | Other
Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator
Total Recorded Investment in Loans and Leases	348,348	348,393
Consumer | Other | Pass
Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator
Total Recorded Investment in Loans and Leases	347,763	347,710
Consumer | Other | Classified
Recorded Investment in Loans and Leases by Class and by Credit Quality Indicator
Total Recorded Investment in Loans and Leases	$ 585	$ 683

Loans and Leases and the Allo47

Loans and Leases and the Allowance for Loan and Lease Losses (Aging Analysis) (Details 4) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Non-Accrual	$ 20,287	$ 27,977
Total Past Due and Non-Accrual	59,526	70,958
Current	8,006,084	7,808,027
Total Loans and Leases	8,065,610	7,878,985	$ 7,178,628
Non-Accrual Loans and Leases that are Current	$ 6,011	7,108
Number of days non-accrual loans are not past due	30 days
30 - 59 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	$ 24,138	25,871
60 - 89 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	7,163	9,536
Past Due 90 Days or More
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	7,938	7,574
Commercial
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Non-Accrual	4,067	9,298
Total Past Due and Non-Accrual	11,470	14,167
Current	3,244,783	3,139,685
Total Loans and Leases	3,256,253	3,153,852	2,955,110
Non-Accrual Loans and Leases that are Current	2,893	3,342
Commercial | 30 - 59 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	6,538	4,483
Commercial | 60 - 89 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	865	386
Commercial | Past Due 90 Days or More
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	0	0
Commercial | Commercial and Industrial
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Non-Accrual	666	5,829
Total Past Due and Non-Accrual	7,648	7,306
Current	1,172,693	1,107,862
Total Loans and Leases	1,180,341	1,115,168
Non-Accrual Loans and Leases that are Current	71	452
Commercial | Commercial and Industrial | 30 - 59 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	6,538	1,118
Commercial | Commercial and Industrial | 60 - 89 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	444	359
Commercial | Commercial and Industrial | Past Due 90 Days or More
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	0	0
Commercial | Commercial Mortgage
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Non-Accrual	3,401	3,469
Total Past Due and Non-Accrual	3,822	4,741
Current	1,683,377	1,672,406
Total Loans and Leases	1,687,199	1,677,147
Non-Accrual Loans and Leases that are Current	2,822	2,890
Commercial | Commercial Mortgage | 30 - 59 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	0	1,245
Commercial | Commercial Mortgage | 60 - 89 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	421	27
Commercial | Commercial Mortgage | Past Due 90 Days or More
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	0	0
Commercial | Construction
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Non-Accrual	0	0
Total Past Due and Non-Accrual	0	2,120
Current	192,909	154,540
Total Loans and Leases	192,909	156,660
Non-Accrual Loans and Leases that are Current	0	0
Commercial | Construction | 30 - 59 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	0	2,120
Commercial | Construction | 60 - 89 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	0	0
Commercial | Construction | Past Due 90 Days or More
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	0	0
Commercial | Lease Financing
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Non-Accrual	0	0
Total Past Due and Non-Accrual	0	0
Current	195,804	204,877
Total Loans and Leases	195,804	204,877
Non-Accrual Loans and Leases that are Current	0	0
Commercial | Lease Financing | 30 - 59 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	0	0
Commercial | Lease Financing | 60 - 89 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	0	0
Commercial | Lease Financing | Past Due 90 Days or More
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	0	0
Consumer
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Non-Accrual	16,220	18,679
Total Past Due and Non-Accrual	48,056	56,791
Current	4,761,301	4,668,342
Total Loans and Leases	4,809,357	4,725,133	$ 4,223,518
Non-Accrual Loans and Leases that are Current	3,118	3,766
Consumer | 30 - 59 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	17,600	21,388
Consumer | 60 - 89 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	6,298	9,150
Consumer | Past Due 90 Days or More
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	7,938	7,574
Consumer | Residential Mortgage
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Non-Accrual	13,719	14,598
Total Past Due and Non-Accrual	26,370	30,192
Current	2,903,018	2,895,413
Total Loans and Leases	2,929,388	2,925,605
Non-Accrual Loans and Leases that are Current	2,237	2,056
Consumer | Residential Mortgage | 30 - 59 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	6,115	7,148
Consumer | Residential Mortgage | 60 - 89 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	2,317	3,993
Consumer | Residential Mortgage | Past Due 90 Days or More
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	4,219	4,453
Consumer | Home Equity
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Non-Accrual	2,501	4,081
Total Past Due and Non-Accrual	7,888	11,553
Current	1,123,908	1,057,847
Total Loans and Leases	1,131,796	1,069,400
Non-Accrual Loans and Leases that are Current	881	1,710
Consumer | Home Equity | 30 - 59 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	1,550	3,856
Consumer | Home Equity | 60 - 89 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	1,741	1,906
Consumer | Home Equity | Past Due 90 Days or More
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	2,096	1,710
Consumer | Automobile
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Non-Accrual	0	0
Total Past Due and Non-Accrual	9,221	10,221
Current	390,604	371,514
Total Loans and Leases	399,825	381,735
Non-Accrual Loans and Leases that are Current	0	0
Consumer | Automobile | 30 - 59 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	7,735	8,103
Consumer | Automobile | 60 - 89 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	962	1,803
Consumer | Automobile | Past Due 90 Days or More
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	524	315
Consumer | Other
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Non-Accrual	0	0
Total Past Due and Non-Accrual	4,577	4,825
Current	343,771	343,568
Total Loans and Leases	348,348	348,393
Non-Accrual Loans and Leases that are Current	0	0
Consumer | Other | 30 - 59 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	2,200	2,281
Consumer | Other | 60 - 89 Days Past Due
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	1,278	1,448
Consumer | Other | Past Due 90 Days or More
Aging Analysis of Accruing and Non-Accruing Loans and Leases
Days Past Due	$ 1,099	$ 1,096

Loans and Leases and the Allo48

Loans and Leases and the Allowance for Loan and Lease Losses (Impaired Loans) (Details 5) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Impaired Loans Information:
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	$ 21,705		$ 26,661
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	32,167		43,723
Impaired Financing Receivable, with Related Allowance, Recorded Investment	40,309		40,036
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	45,826		45,749
Related Allowance for Loan Losses	3,563		3,578
Recorded Investment	62,014		66,697
Unpaid Principal Balance	77,993		89,472
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	24,184	$ 18,904
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	201	190
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	40,173	46,241
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	449	427
Average Recorded Investment	64,357	65,145
Interest Income Recognized	650	617
Commercial
Impaired Loans Information:
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	21,705		26,661
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	32,167		43,723
Impaired Financing Receivable, with Related Allowance, Recorded Investment	1,281		1,289
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	1,281		1,289
Related Allowance for Loan Losses	157		205
Recorded Investment	22,986		27,950
Unpaid Principal Balance	33,448		45,012
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	24,184	18,904
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	201	190
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	1,285	6,698
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	20	26
Average Recorded Investment	25,469	25,602
Interest Income Recognized	221	216
Commercial | Commercial and Industrial
Impaired Loans Information:
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	10,069		14,650
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	17,031		28,212
Impaired Financing Receivable, with Related Allowance, Recorded Investment	1,281		1,289
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	1,281		1,289
Related Allowance for Loan Losses	157		205
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	12,360	10,781
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	106	98
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	1,285	6,698
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	20	26
Commercial | Commercial Mortgage
Impaired Loans Information:
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	10,055		10,407
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	13,555		13,907
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	10,231	6,444
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	69	65
Commercial | Construction
Impaired Loans Information:
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	1,581		1,604
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	1,581		1,604
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	1,593	1,679
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	26	27
Consumer
Impaired Loans Information:
Impaired Financing Receivable, with Related Allowance, Recorded Investment	39,028		38,747
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	44,545		44,460
Related Allowance for Loan Losses	3,406		3,373
Recorded Investment	39,028		38,747
Unpaid Principal Balance	44,545		44,460
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	38,888	39,543
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	429	401
Average Recorded Investment	38,888	39,543
Interest Income Recognized	429	401
Consumer | Residential Mortgage
Impaired Loans Information:
Impaired Financing Receivable, with Related Allowance, Recorded Investment	28,231		28,981
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	33,748		34,694
Related Allowance for Loan Losses	3,173		3,171
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	28,606	32,028
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	251	267
Consumer | Home Equity
Impaired Loans Information:
Impaired Financing Receivable, with Related Allowance, Recorded Investment	1,516		1,089
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	1,516		1,089
Related Allowance for Loan Losses	18		12
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	1,303	1,108
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	17	8
Consumer | Automobile
Impaired Loans Information:
Impaired Financing Receivable, with Related Allowance, Recorded Investment	7,384		7,012
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	7,384		7,012
Related Allowance for Loan Losses	159		143
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	7,198	5,461
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	122	104
Consumer | Other
Impaired Loans Information:
Impaired Financing Receivable, with Related Allowance, Recorded Investment	1,897		1,665
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	1,897		1,665
Related Allowance for Loan Losses	56		$ 47
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	1,781	946
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	$ 39	$ 22

Loans and Leases and the Allo49

Loans and Leases and the Allowance for Loan and Lease Losses (Troubled Debt Restructuring & Narrative) (Details 6) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2016USD ($)contract	Mar. 31, 2015USD ($)contract	Dec. 31, 2015USD ($)
Loans and Leases and the Allowance for Loan and Lease Losses
Loans Modified in a TDR	$ 60,800		$ 65,000
Available commitments under Revolving Credit Lines, Modified as TDR	$ 800		$ 0
Loans Modified as a TDR
Number of Contracts | contract	136	82
Recorded Investment (as of period end)	$ 6,205	$ 6,450
Increase in Allowance (as of period end)	$ 240	$ 81
Residential Mortgage | Maximum
Loans and Leases and the Allowance for Loan and Lease Losses
Period of Time Loan Being Fully Amortized	40 years
Land Loan | Maximum
Loans and Leases and the Allowance for Loan and Lease Losses
Period of Time Loan Being Fully Amortized	360 months
Extending Balloon Payments	5 years
Commercial
Loans Modified as a TDR
Number of Contracts | contract	17	18
Recorded Investment (as of period end)	$ 2,988	$ 3,194
Increase in Allowance (as of period end)	$ 0	$ 1
Commercial | Commercial and Industrial
Loans Modified as a TDR
Number of Contracts | contract	17	17
Recorded Investment (as of period end)	$ 2,988	$ 2,687
Increase in Allowance (as of period end)	$ 0	$ 1
Commercial | Commercial Mortgage
Loans Modified as a TDR
Number of Contracts | contract	0	1
Recorded Investment (as of period end)	$ 0	$ 507
Increase in Allowance (as of period end)	$ 0	$ 0
Consumer
Loans Modified as a TDR
Number of Contracts | contract	119	64
Recorded Investment (as of period end)	$ 3,217	$ 3,256
Increase in Allowance (as of period end)	$ 240	$ 80
Consumer | Residential Mortgage
Loans Modified as a TDR
Number of Contracts | contract	3	5
Recorded Investment (as of period end)	$ 1,166	$ 2,122
Increase in Allowance (as of period end)	$ 197	$ 61
Consumer | Home Equity
Loans Modified as a TDR
Number of Contracts | contract	1	2
Recorded Investment (as of period end)	$ 478	$ 203
Increase in Allowance (as of period end)	$ 6	$ 3
Consumer | Automobile
Loans Modified as a TDR
Number of Contracts | contract	53	35
Recorded Investment (as of period end)	$ 1,123	$ 780
Increase in Allowance (as of period end)	$ 24	$ 11
Consumer | Other
Loans Modified as a TDR
Number of Contracts | contract	62	22
Recorded Investment (as of period end)	$ 450	$ 151
Increase in Allowance (as of period end)	$ 13	$ 5

Loans and Leases and the Allo50

Loans and Leases and the Allowance for Loan and Lease Losses (Troubled Debt Restructuring's that Defaulted During the Period) (Details 7) $ in Thousands	3 Months Ended
	Mar. 31, 2016USD ($)contract	Mar. 31, 2015USD ($)contract
Information related to loans modified as a TDR
Number of Contracts | contract	26	16
Recorded Investment (as of period end) | $	$ 1,423	$ 519
Minimum
Information related to loans modified as a TDR
Default Period Past Due Following Modification of Loans in TDR (in days)	60 days
Consumer
Information related to loans modified as a TDR
Number of Contracts | contract	26	16
Recorded Investment (as of period end) | $	$ 1,423	$ 519
Consumer | Residential Mortgage
Information related to loans modified as a TDR
Number of Contracts | contract	2	1
Recorded Investment (as of period end) | $	$ 1,031	$ 306
Consumer | Home Equity
Information related to loans modified as a TDR
Number of Contracts | contract	1	0
Recorded Investment (as of period end) | $	$ 165	$ 0
Consumer | Automobile
Information related to loans modified as a TDR
Number of Contracts | contract	5	7
Recorded Investment (as of period end) | $	$ 116	$ 152
Consumer | Other
Information related to loans modified as a TDR
Number of Contracts | contract	18	8
Recorded Investment (as of period end) | $	$ 111	$ 61

Loans and Leases and the Allo51

Loans and Leases and the Allowance for Loan and Lease Losses (Foreclosure Proceedings Narrative) (Details 8) $ in Millions	Mar. 31, 2016USD ($)
Loans and Leases and Allowance for Loan and Lease Losses [Abstract]
Consumer mortgage loans collateralized by residential real estate property that are in the process of foreclosure	$ 7.6

Mortgage Servicing Rights (Narr

Mortgage Servicing Rights (Narrative) (Details 1) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Transfers and Servicing of Financial Assets [Abstract]
Residential mortgage loans serviced for third parties	$ 2,700		$ 2,700
Servicing income, including late and ancillary fees	$ 1.7	$ 1.9

Mortgage Servicing Rights (Fair

Mortgage Servicing Rights (Fair value method rollforward) (Details 2) - Mortgage Servicing Rights - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Mortgage servicing rights accounted for under the fair value measurement method [Rollforward]
Balance at Beginning of Period	$ 1,970	$ 2,604
Due to Change in Valuation Assumptions	0	(251)
Due to Payoffs	(60)	(76)
Total Changes in Fair Value of Mortgage Servicing Rights	(60)	(327)
Balance at End of Period	$ 1,910	$ 2,277

Mortgage Servicing Rights (Amor

Mortgage Servicing Rights (Amortization method rollforward) (Details 3) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Valuation Allowance for Impairment of Mortgage Servicing Rights Accounted for under the Amortization Method [Roll Forward]
Balance at Beginning of Period	$ (21)
Balance at End of Period	(106)
Mortgage Servicing Rights
Mortgage Servicing Rights Accounted for Under the Amortization Method {Rollforward)
Balance at Beginning of Period	21,032	$ 22,091
Servicing Rights that Resulted From Asset Transfers	441	134
Amortization	(635)	(839)
Valuation Allowance Provision	(85)	(20)
Balance at End of Period	20,753	21,366
Valuation Allowance for Impairment of Mortgage Servicing Rights Accounted for under the Amortization Method [Roll Forward]
Balance at Beginning of Period	(21)	(57)
Valuation Allowance Provision	(85)	(20)
Balance at End of Period	(106)	(77)
Fair Value of Mortgage Servicing Rights Accounted for Under the Amortization Method
Beginning of Period	24,804	22,837
End of Period	$ 20,841	$ 21,431

Mortgage Servicing Rights (Key

Mortgage Servicing Rights (Key assumptions) (Details 4) - Mortgage Servicing Rights	3 Months Ended	12 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Key data and assumptions used in estimating the fair value of mortgage servicing rights
Weighted-Average Constant Prepayment Rate (as a percent)	12.33%	9.10%
Weighted-Average Life (in years)	6 years 1 month	7 years 4 months 26 days
Weighted-Average Note Rate (as a percent)	4.21%	4.23%
Weighted-Average Discount Rate (as a percent)	9.76%	9.38%

Mortgage Servicing Rights (Sens

Mortgage Servicing Rights (Sensitivity analysis) (Details 5) - Mortgage Servicing Rights - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Constant Prepayment Rate
Decrease in fair value from 25 basis points (“bps”) adverse change	$ (226)	$ (285)
Decrease in fair value from 50 bps adverse change	(447)	(566)
Discount Rate
Decrease in fair value from 25 bps adverse change	(226)	(292)
Decrease in fair value from 50 bps adverse change	$ (447)	$ (577)

Low Income Housing Tax Credit57

Low Income Housing Tax Credit Partnerships (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Equity Method Investments and Joint Ventures [Abstract]
Net affordable housing tax credit investments and related unfunded commitments	$ 66,400		$ 68,800
Affordable Housing Tax Credit Investments, Unfunded Commitment [Abstract]
2,016	12,485
2,017	10,847
2,018	33
2,019	75
2,020	65
Thereafter	0
Total Unfunded Commitments	23,505
Effective Yield Method
Tax credits and other tax benefits recognized	3,516	$ 3,389
Amortization Expense in Provision for Income Taxes	2,174	1,893
Proportional Amortization Method
Tax credits and other tax benefits recognized	259	0
Amortization Expense in Provision for Income Taxes	$ 200	$ 0

Balance Sheet Offsetting (Repos

Balance Sheet Offsetting (Repos - by maturity date and collateral type) (Details 1) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Securities Sold Under Agreements to Repurchase
Securities Sold under Agreements to Repurchase	$ 586,785	$ 628,857
Debt Securities Issued by the U.S. Treasury and Government Agencies
Securities Sold Under Agreements to Repurchase
Securities Sold under Agreements to Repurchase	310,533	310,313
Debt Securities Issued by States and Political Subdivisions
Securities Sold Under Agreements to Repurchase
Securities Sold under Agreements to Repurchase	9,834	52,707
Residential - Government Agencies
Securities Sold Under Agreements to Repurchase
Securities Sold under Agreements to Repurchase	149,544	155,238
Residential - U.S. Government-Sponsored Enterprises
Securities Sold Under Agreements to Repurchase
Securities Sold under Agreements to Repurchase	116,874	110,599
Maturity Up To 90 Days [Member]
Securities Sold Under Agreements to Repurchase
Securities Sold under Agreements to Repurchase	1,487	49,065
Maturity Up To 90 Days [Member] | Debt Securities Issued by the U.S. Treasury and Government Agencies
Securities Sold Under Agreements to Repurchase
Securities Sold under Agreements to Repurchase	0	0
Maturity Up To 90 Days [Member] | Debt Securities Issued by States and Political Subdivisions
Securities Sold Under Agreements to Repurchase
Securities Sold under Agreements to Repurchase	1,487	47,915
Maturity Up To 90 Days [Member] | Residential - Government Agencies
Securities Sold Under Agreements to Repurchase
Securities Sold under Agreements to Repurchase	0	1,150
Maturity Up To 90 Days [Member] | Residential - U.S. Government-Sponsored Enterprises
Securities Sold Under Agreements to Repurchase
Securities Sold under Agreements to Repurchase	0	0
Maturity 91 To 365 Days [Member]
Securities Sold Under Agreements to Repurchase
Securities Sold under Agreements to Repurchase	85,298	79,692
Maturity 91 To 365 Days [Member] | Debt Securities Issued by the U.S. Treasury and Government Agencies
Securities Sold Under Agreements to Repurchase
Securities Sold under Agreements to Repurchase	0	0
Maturity 91 To 365 Days [Member] | Debt Securities Issued by States and Political Subdivisions
Securities Sold Under Agreements to Repurchase
Securities Sold under Agreements to Repurchase	8,347	4,692
Maturity 91 To 365 Days [Member] | Residential - Government Agencies
Securities Sold Under Agreements to Repurchase
Securities Sold under Agreements to Repurchase	53,087	51,169
Maturity 91 To 365 Days [Member] | Residential - U.S. Government-Sponsored Enterprises
Securities Sold Under Agreements to Repurchase
Securities Sold under Agreements to Repurchase	23,864	23,831
Maturity 1 To 3 Years [Member]
Securities Sold Under Agreements to Repurchase
Securities Sold under Agreements to Repurchase	200,000	200,100
Maturity 1 To 3 Years [Member] | Debt Securities Issued by the U.S. Treasury and Government Agencies
Securities Sold Under Agreements to Repurchase
Securities Sold under Agreements to Repurchase	200,000	200,000
Maturity 1 To 3 Years [Member] | Debt Securities Issued by States and Political Subdivisions
Securities Sold Under Agreements to Repurchase
Securities Sold under Agreements to Repurchase	0	100
Maturity 1 To 3 Years [Member] | Residential - Government Agencies
Securities Sold Under Agreements to Repurchase
Securities Sold under Agreements to Repurchase	0	0
Maturity 1 To 3 Years [Member] | Residential - U.S. Government-Sponsored Enterprises
Securities Sold Under Agreements to Repurchase
Securities Sold under Agreements to Repurchase	0	0
Maturity After 3 Years [Member]
Securities Sold Under Agreements to Repurchase
Securities Sold under Agreements to Repurchase	300,000	300,000
Maturity After 3 Years [Member] | Debt Securities Issued by the U.S. Treasury and Government Agencies
Securities Sold Under Agreements to Repurchase
Securities Sold under Agreements to Repurchase	110,533	110,313
Maturity After 3 Years [Member] | Debt Securities Issued by States and Political Subdivisions
Securities Sold Under Agreements to Repurchase
Securities Sold under Agreements to Repurchase	0	0
Maturity After 3 Years [Member] | Residential - Government Agencies
Securities Sold Under Agreements to Repurchase
Securities Sold under Agreements to Repurchase	96,457	102,919
Maturity After 3 Years [Member] | Residential - U.S. Government-Sponsored Enterprises
Securities Sold Under Agreements to Repurchase
Securities Sold under Agreements to Repurchase	$ 93,010	$ 86,768

Balance Sheet Offsetting (Asset

Balance Sheet Offsetting (Assets and liabilities subject to MNA, or repurchase agreements) (Details 2) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Liabilities:
Repurchase Agreements, Gross Amounts of Recognized Liabilities	$ 586,785	$ 628,857
Repurchase Agreements, Gross Amounts Offset in the Statements of Condition	0	0
Repurchase Agreements, Net Amounts of Liabilities Presented in the Statements of Condition	586,785	628,857
Repurchase Agreements, Fair Value of Collateral Pledged	586,785	628,857
Securities Sold under Agreements to Repurchase, Net Amount Offset Against Collateral	0	0
Interest Rate Swap Agreements
Offsetting Assets and Liabilities [Line items]
Net liability positions, aggregate fair value	15,300	13,100
Institutional Counterparties | Interest Rate Swap Agreements
Assets:
Gross Amounts of Recognized Assets	193	261
Gross Amounts Offset in the Statements of Condition	0	0
Net Amounts of Assets Presented in the Statements of Condition	193	261
Netting Adjustments per Master Netting Arrangements	193	261
Gross Amounts Not Offset in the Statements of Condition - FV of collateral pledged	0	0
Derivative Assets, Net Amount	0	0
Liabilities:
Gross Amounts of Recognized Liabilities	15,533	13,312
Gross Amounts Offset in the Statements of Condition	0	0
Net Amounts of Liabilities Presented in the Statements of Condition	15,533	13,312
Derivative Liability, Netting Adjustments per Master Netting Arrangements	193	261
Derivative, Collateral, Right to Reclaim Securities	0	0
Derivative Liabilities, Net Amount	15,340	13,051
Private Institutions
Offsetting Assets and Liabilities [Line items]
Securities Sold under Agreements to Repurchase, Fair Value of Collateral	663,500	663,200
Liabilities:
Repurchase Agreements, Gross Amounts of Recognized Liabilities	575,000	575,000
Repurchase Agreements, Gross Amounts Offset in the Statements of Condition	0	0
Repurchase Agreements, Net Amounts of Liabilities Presented in the Statements of Condition	575,000	575,000
Repurchase Agreements, Fair Value of Collateral Pledged	575,000	575,000
Securities Sold under Agreements to Repurchase, Net Amount Offset Against Collateral	0	0
Government Entities
Offsetting Assets and Liabilities [Line items]
Securities Sold under Agreements to Repurchase, Fair Value of Collateral	16,100	66,900
Liabilities:
Repurchase Agreements, Gross Amounts of Recognized Liabilities	11,785	53,857
Repurchase Agreements, Gross Amounts Offset in the Statements of Condition	0	0
Repurchase Agreements, Net Amounts of Liabilities Presented in the Statements of Condition	11,785	53,857
Repurchase Agreements, Fair Value of Collateral Pledged	11,785	53,857
Securities Sold under Agreements to Repurchase, Net Amount Offset Against Collateral	$ 0	$ 0

Accumulated Other Comprehensi60

Accumulated Other Comprehensive Income (Loss) (AOCI Components Pre Post & Tax Effect) (Details 1) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Other Comprehensive Loss, Before Tax:
Net Unrealized Gains (Losses) Arising During the Period	$ 13,944	$ 8,711
Amortization of Unrealized Holding (Gains) Losses on HTM Securities	422	30
Net Unrealized Gains (Losses) on Investment Securities	14,366	8,741
Amortization of Net Actuarial Losses (Gains)	314	443
Amortization of Prior Service Credit	(81)	(81)
Defined Benefit Plans, Net	233	362
Other Comprehensive Income (Loss)	14,599	9,103
Other Comprehensive Loss, Tax Effect:
Net Unrealized Gains (Losses) Arising During the Period	5,505	3,435
Amortization of Unrealized Holding (Gains) Losses on HTM Securities	167	12
Net Unrealized Gains (Losses) on Investment Securities	5,672	3,447
Amortization of Net Actuarial Losses (Gains)	124	174
Amortization of Prior Service Credit	(32)	(32)
Defined Benefit Plans, Net	92	142
Other Comprehensive Income (Loss)	5,764	3,589
Other Comprehensive Loss, Net of Tax:
Net Unrealized Gains (Losses) Arising During the Period	8,439	5,276
Amortization of Unrealized Holding (Gains) Losses on HTM Securities	255	18
Net Unrealized Gains (Losses) on Investment Securities	8,694	5,294
Amortization of Net Actuarial Losses (Gains)	190	269
Amortization of Prior Service Credit	(49)	(49)
Defined Benefit Plans, Net	141	220
Total Other Comprehensive Income	$ 8,835	$ 5,514

Accumulated Other Comprehensi61

Accumulated Other Comprehensive Income (Loss) (Change in AOCI Components net of tax) (Details 2) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance at Beginning of Period	$ 1,116,260	$ 1,055,086
Total Other Comprehensive Income	8,835	5,514
Balance at End of Period	1,138,753	1,075,251
Defined Benefit Plans
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance at Beginning of Period	(28,861)	(34,115)
Other Comprehensive Income (Loss) Before Reclassifications	0	0
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)	141	220
Total Other Comprehensive Income	141	220
Balance at End of Period	(28,720)	(33,895)
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance at Beginning of Period	(23,557)	(26,686)
Other Comprehensive Income (Loss) Before Reclassifications	8,439	5,276
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)	396	238
Total Other Comprehensive Income	8,835	5,514
Balance at End of Period	(14,722)	(21,172)
Available-for-sale Securities | Unrealized Gains and Losses on Net Investment Securities
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance at Beginning of Period	12,559	15,984
Other Comprehensive Income (Loss) Before Reclassifications	8,439	5,276
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)	0	0
Total Other Comprehensive Income	8,439	5,276
Balance at End of Period	20,998	21,260
Held-to-maturity Securities | Unrealized Gains and Losses on Net Investment Securities
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance at Beginning of Period	(7,255)	(8,555)
Other Comprehensive Income (Loss) Before Reclassifications	0	0
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)	255	18
Total Other Comprehensive Income	255	18
Balance at End of Period	$ (7,000)	$ (8,537)

Accumulated Other Comprehensi62

Accumulated Other Comprehensive Income (Loss) (AOCI Reclass to IS) (Details 3) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Reclassification Out of Accumulated Other Comprehensive Income [Line Items]
Salaries and Benefits	$ (50,514)	$ (49,780)
Tax Benefit (Expense)	(23,635)	(19,720)
Net Income	50,210	42,442
Reclassification out of Accumulated Other Comprehensive Income
Reclassification Out of Accumulated Other Comprehensive Income [Line Items]
Net Income	(396)	(238)
Amortization of Unrealized Gains(Losses) of Investment Securities Transferred from AFS to HTM | Reclassification out of Accumulated Other Comprehensive Income
Reclassification Out of Accumulated Other Comprehensive Income [Line Items]
Interest Income	(422)	(30)
Tax Benefit (Expense)	167	12
Net Income	(255)	(18)
Amortization of Defined Benefit Pension Items | Reclassification out of Accumulated Other Comprehensive Income
Reclassification Out of Accumulated Other Comprehensive Income [Line Items]
Salaries and Benefits	(233)	(362)
Tax Benefit (Expense)	92	142
Net Income	(141)	(220)
Prior Service Credit | Reclassification out of Accumulated Other Comprehensive Income
Reclassification Out of Accumulated Other Comprehensive Income [Line Items]
Salaries and Benefits	81	81
Net Actuarial Losses | Reclassification out of Accumulated Other Comprehensive Income
Reclassification Out of Accumulated Other Comprehensive Income [Line Items]
Salaries and Benefits	$ (314)	$ (443)

Earnings Per Share (Details)

Earnings Per Share (Details) - shares	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Reconciliation of Diluted Shares
Denominator for Basic Earnings Per Share (in shares)	42,920,794	43,386,402
Dilutive Effect of Equity Based Awards (in shares)	205,732	211,102
Denominator for Diluted Earnings Per Share (in shares)	43,126,526	43,597,504
Antidilutive Stock Options and Restricted Stock Outstanding (in shares)	28,224	0

Business Segments (Business Seg

Business Segments (Business Segments Financial Information and Narrative) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2016USD ($)atmbranch	Mar. 31, 2015USD ($)	Dec. 31, 2015USD ($)
Segment Reporting [Abstract]
Federal and State Effective Tax Rate Used for Segment Reporting	37.00%
Business segment financial information
Net Interest Income	$ 103,024	$ 96,770
Provision for Credit Losses	(2,000)	0
Net Interest Income After Provision for Credit Losses	105,024	96,770
Noninterest Income	56,207	52,307
Noninterest Expense	(87,386)	(86,915)
Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest	73,845	62,162
Provision for Income Taxes	(23,635)	(19,720)
Net Income	50,210	42,442
Total Assets	$ 15,654,695	15,139,179	$ 15,455,016
Retail Banking
Business segment financial information
Number of branch locations through which products and services are delivered to customers | branch	70
Number of ATM's through which products and services are delivered to customers | atm	452
Net Interest Income	$ 58,010	48,349
Provision for Credit Losses	2,835	1,723
Net Interest Income After Provision for Credit Losses	55,175	46,626
Noninterest Income	20,807	19,108
Noninterest Expense	(52,741)	(50,340)
Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest	23,241	15,394
Provision for Income Taxes	(8,227)	(5,526)
Net Income	15,014	9,868
Total Assets	4,763,749	4,239,641
Commercial Banking
Business segment financial information
Net Interest Income	38,348	34,274
Provision for Credit Losses	(6,626)	(464)
Net Interest Income After Provision for Credit Losses	44,974	34,738
Noninterest Income	7,600	5,651
Noninterest Expense	(17,268)	(17,886)
Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest	35,306	22,503
Provision for Income Taxes	(12,656)	(7,865)
Net Income	22,650	14,638
Total Assets	3,196,413	2,910,911
Investment Services
Business segment financial information
Net Interest Income	6,452	4,300
Provision for Credit Losses	(6)	(8)
Net Interest Income After Provision for Credit Losses	6,458	4,308
Noninterest Income	14,024	14,726
Noninterest Expense	(15,427)	(14,590)
Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest	5,055	4,444
Provision for Income Taxes	(1,870)	(1,644)
Net Income	3,185	2,800
Total Assets	284,891	188,399
Treasury and Other
Business segment financial information
Net Interest Income	214	9,847
Provision for Credit Losses	1,797	(1,251)
Net Interest Income After Provision for Credit Losses	(1,583)	11,098
Noninterest Income	13,776	12,822
Noninterest Expense	(1,950)	(4,099)
Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest	10,243	19,821
Provision for Income Taxes	(882)	(4,685)
Net Income	9,361	15,136
Total Assets	$ 7,409,642	$ 7,800,228

Pension Plans and Postretirem65

Pension Plans and Postretirement Benefit Plan (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Pension Benefits
Net periodic benefit cost for pension plans and the postretirement benefit plan
Service Cost	$ 0	$ 0
Interest Cost	1,209	1,186
Expected Return on Plan Assets	(1,281)	(1,304)
Amortization of Prior Service Credit	0	0
Amortization of Net Actuarial Losses (Gains)	389	443
Net Periodic Benefit Cost	317	325
Employer Contributions	100
Estimated Future Employer Contributions in Current Fiscal Year	500
Postretirement Benefits
Net periodic benefit cost for pension plans and the postretirement benefit plan
Service Cost	137	182
Interest Cost	294	324
Expected Return on Plan Assets	0	0
Amortization of Prior Service Credit	(81)	(81)
Amortization of Net Actuarial Losses (Gains)	(75)	0
Net Periodic Benefit Cost	275	$ 425
Employer Contributions	200
Estimated Future Employer Contributions in Current Fiscal Year	$ 1,000

Derivative Financial Instrume66

Derivative Financial Instruments (Notional Amounts) (Details 1) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Interest Rate Lock Commitments
Derivative [Line Items]
Notional Amount	$ 7,965	$ 4,375
Fair Value	415	270
Forward Commitments
Derivative [Line Items]
Notional Amount	20,118	5,862
Fair Value	(115)	4
Receive Fixed or Pay Variable Swap
Derivative [Line Items]
Notional Amount	215,103	203,667
Fair Value	15,296	13,021
Pay Fixed or Receive Variable Swap
Derivative [Line Items]
Notional Amount	215,103	203,667
Fair Value	(15,340)	(13,051)
Foreign Exchange Contracts
Derivative [Line Items]
Notional Amount	33,997	42,777
Fair Value	$ 108	$ 104

Derivative Financial Instrume67

Derivative Financial Instruments (Assets and liabilities) (Details 2) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Derivative Financial Instruments Not Designated as Hedging Instruments
Asset Derivatives	$ 16,221	$ 13,967
Liability Derivatives	15,857	13,619
Interest Rate Lock Commitments
Derivative Financial Instruments Not Designated as Hedging Instruments
Asset Derivatives	415	270
Liability Derivatives	0	0
Forward Commitments
Derivative Financial Instruments Not Designated as Hedging Instruments
Asset Derivatives	0	5
Liability Derivatives	115	1
Interest Rate Swap Agreements
Derivative Financial Instruments Not Designated as Hedging Instruments
Asset Derivatives	15,681	13,543
Liability Derivatives	15,725	13,573
Foreign Exchange Contracts
Derivative Financial Instruments Not Designated as Hedging Instruments
Asset Derivatives	125	149
Liability Derivatives	$ 17	$ 45

Derivative Financial Instrume68

Derivative Financial Instruments (Net gains or losses) (Details 3) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Derivative Instruments, Gain (Loss)
Net gains (losses) recognized in income	$ 1,326	$ 1,258
Interest Rate Lock Commitments | Mortgage Banking Income
Derivative Instruments, Gain (Loss)
Net gains (losses) recognized in income	986	587
Forward Commitments | Mortgage Banking Income
Derivative Instruments, Gain (Loss)
Net gains (losses) recognized in income	(478)	22
Interest Rate Swap Agreements | Other Noninterest Income
Derivative Instruments, Gain (Loss)
Net gains (losses) recognized in income	109	0
Foreign Exchange Contracts | Other Noninterest Income
Derivative Instruments, Gain (Loss)
Net gains (losses) recognized in income	$ 709	$ 649

Commitments, Contingencies, a69

Commitments, Contingencies, and Guarantees (Credit Commitments) (Details 1) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Credit Commitments
Credit Commitments	$ 2,689,736	$ 2,668,449
Unfunded Commitments to Extend Credit
Credit Commitments
Credit Commitments	2,613,922	2,604,429
Standby Letters of Credit
Credit Commitments
Credit Commitments	58,528	48,153
Commercial Letters of Credit
Credit Commitments
Credit Commitments	$ 17,286	$ 15,867

Commitments, Contingencies, a70

Commitments, Contingencies, and Guarantees (Narrative) (Details 2) - Residential Mortgage $ in Billions	3 Months Ended
	Mar. 31, 2016USD ($)Loan
Representations and Warranties [Line Items]
Continuing Involvement with Transferred Financial Assets, Principal Amount Outstanding | $	$ 2.5
Number of Mortgage Loans Repurchased	0
Number of Mortgage Loans Repurchased, Pending	0
Number of Mortgage Loans Repurchased due to Loan Servicing Activities, Pending	0
Current Residential Mortgage Loans Serviced for Third Parties as Percentage of Total	99.00%

Fair Value of Assets and Liab71

Fair Value of Assets and Liabilities (Fair value on recurring basis) (Details 1) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Assets:
Available-for-Sale: Fair Value	$ 2,293,751	$ 2,256,818
Loans Held for Sale	16,854	4,808
Fair Value, Measurements, Recurring [Member]
Assets:
Available-for-Sale: Fair Value	2,293,751	2,256,818
Loans Held for Sale	16,854	4,808
Mortgage Servicing Rights	1,910	1,970
Other Assets	18,347	20,262
Derivatives	16,221	13,967
Total Assets Measured at Fair Value on a Recurring Basis	2,347,083	2,297,825
Liabilites:
Derivatives	15,857	13,619
Total Liabilities Measured at Fair Value on a Recurring Basis	15,857	13,619
Fair Value, Measurements, Recurring [Member] | Debt Securities Issued by the U.S. Treasury and Government Agencies
Assets:
Available-for-Sale: Fair Value	435,118	358,894
Fair Value, Measurements, Recurring [Member] | Debt Securities Issued by States and Political Subdivisions
Assets:
Available-for-Sale: Fair Value	708,220	731,918
Fair Value, Measurements, Recurring [Member] | Debt Securities Issued by Corporations
Assets:
Available-for-Sale: Fair Value	308,742	308,870
Fair Value, Measurements, Recurring [Member] | Mortgage-Backed Securities
Assets:
Available-for-Sale: Fair Value	841,671	857,136
Fair Value, Measurements, Recurring [Member] | Residential - Government Agencies
Assets:
Available-for-Sale: Fair Value	287,245	316,245
Fair Value, Measurements, Recurring [Member] | Residential - U.S. Government-Sponsored Enterprises
Assets:
Available-for-Sale: Fair Value	457,962	441,864
Fair Value, Measurements, Recurring [Member] | Commercial - Government Agencies
Assets:
Available-for-Sale: Fair Value	96,464	99,027
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1)
Assets:
Available-for-Sale: Fair Value	546	545
Loans Held for Sale	0	0
Mortgage Servicing Rights	0	0
Other Assets	18,347	20,262
Derivatives	0	0
Total Assets Measured at Fair Value on a Recurring Basis	18,893	20,807
Liabilites:
Derivatives	0	0
Total Liabilities Measured at Fair Value on a Recurring Basis	0	0
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1) | Debt Securities Issued by the U.S. Treasury and Government Agencies
Assets:
Available-for-Sale: Fair Value	546	545
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1) | Debt Securities Issued by States and Political Subdivisions
Assets:
Available-for-Sale: Fair Value	0	0
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1) | Debt Securities Issued by Corporations
Assets:
Available-for-Sale: Fair Value	0	0
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1) | Mortgage-Backed Securities
Assets:
Available-for-Sale: Fair Value	0	0
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1) | Residential - Government Agencies
Assets:
Available-for-Sale: Fair Value	0	0
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1) | Residential - U.S. Government-Sponsored Enterprises
Assets:
Available-for-Sale: Fair Value	0	0
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1) | Commercial - Government Agencies
Assets:
Available-for-Sale: Fair Value	0	0
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2)
Assets:
Available-for-Sale: Fair Value	2,293,205	2,256,273
Loans Held for Sale	16,854	4,808
Mortgage Servicing Rights	0	0
Other Assets	0	0
Derivatives	125	154
Total Assets Measured at Fair Value on a Recurring Basis	2,310,184	2,261,235
Liabilites:
Derivatives	132	46
Total Liabilities Measured at Fair Value on a Recurring Basis	132	46
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) | Debt Securities Issued by the U.S. Treasury and Government Agencies
Assets:
Available-for-Sale: Fair Value	434,572	358,349
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) | Debt Securities Issued by States and Political Subdivisions
Assets:
Available-for-Sale: Fair Value	708,220	731,918
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) | Debt Securities Issued by Corporations
Assets:
Available-for-Sale: Fair Value	308,742	308,870
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) | Mortgage-Backed Securities
Assets:
Available-for-Sale: Fair Value	841,671	857,136
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) | Residential - Government Agencies
Assets:
Available-for-Sale: Fair Value	287,245	316,245
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) | Residential - U.S. Government-Sponsored Enterprises
Assets:
Available-for-Sale: Fair Value	457,962	441,864
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) | Commercial - Government Agencies
Assets:
Available-for-Sale: Fair Value	96,464	99,027
Fair Value, Measurements, Recurring [Member] | Significant Other Unobservable Inputs (Level 3)
Assets:
Available-for-Sale: Fair Value	0	0
Loans Held for Sale	0	0
Mortgage Servicing Rights	1,910	1,970
Other Assets	0	0
Derivatives	16,096	13,813
Total Assets Measured at Fair Value on a Recurring Basis	18,006	15,783
Liabilites:
Derivatives	15,725	13,573
Total Liabilities Measured at Fair Value on a Recurring Basis	15,725	13,573
Fair Value, Measurements, Recurring [Member] | Significant Other Unobservable Inputs (Level 3) | Debt Securities Issued by the U.S. Treasury and Government Agencies
Assets:
Available-for-Sale: Fair Value	0	0
Fair Value, Measurements, Recurring [Member] | Significant Other Unobservable Inputs (Level 3) | Debt Securities Issued by States and Political Subdivisions
Assets:
Available-for-Sale: Fair Value	0	0
Fair Value, Measurements, Recurring [Member] | Significant Other Unobservable Inputs (Level 3) | Debt Securities Issued by Corporations
Assets:
Available-for-Sale: Fair Value	0	0
Fair Value, Measurements, Recurring [Member] | Significant Other Unobservable Inputs (Level 3) | Mortgage-Backed Securities
Assets:
Available-for-Sale: Fair Value	0	0
Fair Value, Measurements, Recurring [Member] | Significant Other Unobservable Inputs (Level 3) | Residential - Government Agencies
Assets:
Available-for-Sale: Fair Value	0	0
Fair Value, Measurements, Recurring [Member] | Significant Other Unobservable Inputs (Level 3) | Residential - U.S. Government-Sponsored Enterprises
Assets:
Available-for-Sale: Fair Value	0	0
Fair Value, Measurements, Recurring [Member] | Significant Other Unobservable Inputs (Level 3) | Commercial - Government Agencies
Assets:
Available-for-Sale: Fair Value	$ 0	$ 0

Fair Value of Assets and Liab72

Fair Value of Assets and Liabilities (FV on recurring basis-Level 3 rollforward) (Details 2) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Fair Value, Mortgage Servicing Rights Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Fair Value, Mortgage Servicing Rights, Beginning Balance	$ 1,970	$ 2,604
Fair Value, Mortgage Servicing Rights, Realized and Unrealized Net Gains (Losses) Included in Net Income	(60)	(327)
Fair Value, Mortgage Servicing Rights, Ending Balance	1,910	2,277
Fair Value, Mortgage Service Rights, Total Unrealized Net Gains (Losses) Included in Net Income Related to Assets Still Held	0	(251)
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Fair Value, Net Derivative Assets and Liabilities, Beginning Balance	240	118
Fair Value, Net Derivative Assets and Liabilities, Realized and Unrealized Net Gains (Losses) Included in Net Income	972	587
Fair Value, Net Derivative Assets and Liabilities, Transfers to Loans Held for Sale	(841)	(435)
Fair Value, Net Derivative Assets and Liabilities, Ending Balance	371	270
Fair Value, Net Derivative Assets and Liabilities,Total Unrealized Net Gains (Losses) Included in Net Income Related to Assets Still Held	$ 371	$ 270

Fair Value of Assets and Liab73

Fair Value of Assets and Liabilities (FV on recurring or nonrecurring basis-level 3 inputs) (Details 3) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Interest Rate Lock Commitments | Pricing Model
Level 3 Assets and Liabilities, Fair Value and Fair Value Unobservable Inputs
Weighted Average Closing Ratio (as a percent)	90.79%	94.70%
Interest Rate Derivative Instruments Not Designated as Hedging Instruments at Fair Value, Net	$ 415	$ 270
Interest Rate Swap Agreements | Discounted Cash Flow
Level 3 Assets and Liabilities, Fair Value and Fair Value Unobservable Inputs
Weighted Average Credit Factor (as a percent)	0.28%	0.22%
Interest Rate Derivative Instruments Not Designated as Hedging Instruments at Fair Value, Net	$ (44)	$ (30)
Mortgage Servicing Rights | Discounted Cash Flow
Level 3 Assets and Liabilities, Fair Value and Fair Value Unobservable Inputs
Weighted Average Constant Prepayment Rate (as a percent)	12.33%	9.10%
Weighted Average Discount Rate (as a percent)	9.76%	9.38%
Mortgage Servicing Rights, at Fair Value	$ 22,751	$ 26,774

Fair Value of Assets and Liab74

Fair Value of Assets and Liabilities (Fair value on a nonrecurring basis) (Details 4) $ in Thousands	3 Months Ended
	Sep. 30, 2015USD ($)	Mar. 31, 2016USD ($)	Dec. 31, 2015USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mortgage Servicing Rights accounted for under the amortization method, valuation allowance		$ 106	$ 21
Foreclosed Real Estate		1,728	824
Foreclosed Real Estate, Valuation Allowance			0
Other Assets - Equipment Held for Sale, Valuation Allowance			$ 9,453
Number of Impaired Aircraft			6
Other Asset Impairment Charges	$ 9,500
Fair Value, Measurements, Nonrecurring [Member] | Significant Other Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mortgage Servicing Rights accounted for under the amortization method		$ 20,753	$ 21,032
Foreclosed Real Estate			824
Other Assets - Equipment Held for Sale			$ 4,657

Fair Value of Assets and Liab75

Fair Value of Assets and Liabilities (FV option) (Details 5) - Residential mortgage loans held for sale - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Fair Value Option
Aggregate Fair Value	$ 16,854	$ 4,808
Aggregate Unpaid Principal	16,251	4,575
Aggregate Fair Value Less Aggregate Unpaid Principal	$ 603	$ 233

Fair Value of Assets and Liab76

Fair Value of Assets and Liabilities (Financial instruments not recorded at FV on recurring basis) (Details 6) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Financial Instruments - Assets
Held-to-Maturity: Fair Value	$ 3,981,830	$ 4,006,412
Carrying Amount
Financial Instruments - Assets
Held-to-Maturity: Fair Value	3,911,703	3,982,736
Loans	7,728,297	7,538,454
Financial Instruments - Liabilities
Time Deposits	1,228,008	1,177,651
Securities Sold Under Agreements to Repurchase	586,785	628,857
Other Debt	209,938	234,938
Fair Value
Financial Instruments - Assets
Held-to-Maturity: Fair Value	3,981,830	4,006,412
Loans	8,133,640	7,967,385
Financial Instruments - Liabilities
Time Deposits	1,231,507	1,178,837
Securities Sold Under Agreements to Repurchase	586,779	686,853
Other Debt	212,981	235,668
Fair Value | Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial Instruments - Assets
Held-to-Maturity: Fair Value	494,557	489,967
Loans	0	0
Financial Instruments - Liabilities
Time Deposits	0	0
Securities Sold Under Agreements to Repurchase	0	0
Other Debt	0	0
Fair Value | Significant Other Observable Inputs (Level 2)
Financial Instruments - Assets
Held-to-Maturity: Fair Value	3,487,273	3,516,445
Loans	0	0
Financial Instruments - Liabilities
Time Deposits	1,231,507	1,178,837
Securities Sold Under Agreements to Repurchase	586,779	686,853
Other Debt	212,981	235,668
Fair Value | Significant Other Unobservable Inputs (Level 3)
Financial Instruments - Assets
Held-to-Maturity: Fair Value	0	0
Loans	8,133,640	7,967,385
Financial Instruments - Liabilities
Time Deposits	0	0
Securities Sold Under Agreements to Repurchase	0	0
Other Debt	$ 0	$ 0

Uncategorized Items - boh-20160

Label	Element	Value
Commercial Mortgage-Backed Securities Issued by Government Agencies [Member]
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	$ 958,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	227,000
Held-to-maturity Securities	us-gaap_HeldToMaturitySecurities	256,808,000
Held-to-maturity Securities	us-gaap_HeldToMaturitySecurities	248,133,000
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	2,232,000
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	366,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	74,040,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	19,422,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss	us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	2,232,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss	us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	366,000
Held-to-maturity Securities, Debt Maturities, without Single Maturity Date, Net Carrying Amount	us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateNetCarryingAmount	248,133,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value	us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	126,247,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value	us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	72,521,000
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	2,381,000
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	5,412,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	52,207,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	53,099,000
Held-to-maturity Securities, Fair Value	us-gaap_HeldToMaturitySecuritiesFairValue	256,957,000
Held-to-maturity Securities, Fair Value	us-gaap_HeldToMaturitySecuritiesFairValue	253,179,000
Held-to-maturity Securities, Debt Maturities, without Single Maturity Date, Fair Value	us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	253,179,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	1,274,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	139,000
Residential Mortgage-Backed Securities issued by U.S. government agencies [Member]
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	5,828,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	327,000
Held-to-maturity Securities	us-gaap_HeldToMaturitySecurities	2,191,138,000
Held-to-maturity Securities	us-gaap_HeldToMaturitySecurities	2,056,236,000
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	19,067,000
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	6,533,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	562,502,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	135,228,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss	us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	19,067,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss	us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	6,533,000
Held-to-maturity Securities, Debt Maturities, without Single Maturity Date, Net Carrying Amount	us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateNetCarryingAmount	2,056,236,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value	us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	976,709,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value	us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	684,035,000
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	27,893,000
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	37,121,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	414,207,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	548,807,000
Held-to-maturity Securities, Fair Value	us-gaap_HeldToMaturitySecuritiesFairValue	2,199,964,000
Held-to-maturity Securities, Fair Value	us-gaap_HeldToMaturitySecuritiesFairValue	2,086,824,000
Held-to-maturity Securities, Debt Maturities, without Single Maturity Date, Fair Value	us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	2,086,824,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	13,239,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	6,206,000
Residential Mortgage-Backed Securities Issued by U.S. Government Sponsored Enterprises [Member]
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	2,616,000
Held-to-maturity Securities	us-gaap_HeldToMaturitySecurities	647,762,000
Held-to-maturity Securities	us-gaap_HeldToMaturitySecurities	725,099,000
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	2,616,000
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	0
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	450,147,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss	us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	2,616,000
Held-to-maturity Securities, Debt Maturities, without Single Maturity Date, Net Carrying Amount	us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateNetCarryingAmount	725,099,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value	us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	450,147,000
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	1,656,000
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain	us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	9,708,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	0
Held-to-maturity Securities, Fair Value	us-gaap_HeldToMaturitySecuritiesFairValue	646,802,000
Held-to-maturity Securities, Fair Value	us-gaap_HeldToMaturitySecuritiesFairValue	734,807,000
Held-to-maturity Securities, Debt Maturities, without Single Maturity Date, Fair Value	us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	734,807,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	$ 0