Sterling Bancorp, Inc. (SBT) 10-Q 13 Nov 18 2018 Q3 Quarterly report Financial data

Document and Entity Information

Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2018	Nov. 13, 2018
Document and Entity Information
Entity Registrant Name	Sterling Bancorp, Inc.
Entity Central Index Key	1,680,379
Document Type	10-Q
Document Period End Date	Sep. 30, 2018
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Current Reporting Status	Yes
Entity Filer Category	Non-accelerated Filer
Entity Common Stock, Shares Outstanding		53,012,283
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	true
Document Fiscal Year Focus	2,018
Document Fiscal Period Focus	Q3

Condensed Consolidated Balance

Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Assets
Cash and due from banks	$ 48,879	$ 40,147
Investment securities	142,749	126,848
Mortgage loans held for sale	113,805	112,866
Loans, net of allowance for loan losses of $20,765 and $18,457	2,796,150	2,594,357
Accrued interest receivable	13,087	11,493
Mortgage servicing rights, net	9,411	6,496
Leasehold improvements and equipment, net	9,040	7,043
Federal Home Loan Bank stock, at cost	22,950	22,950
Cash surrender value of bank-owned life insurance	31,146	30,680
Deferred tax asset, net	7,002	6,847
Other assets	2,744	2,231
Total assets	3,196,963	2,961,958
Liabilities:
Noninterest-bearing deposits	79,432	73,682
Interest-bearing deposits	2,332,639	2,171,428
Total deposits	2,412,071	2,245,110
Federal Home Loan Bank borrowings	335,000	338,000
Subordinated notes, net	64,993	64,889
Accrued expenses and other liabilities	65,456	40,661
Total liabilities	2,877,520	2,688,660
Shareholders' equity:
Preferred stock, authorized 10,000,000 shares; no shares issued and outstanding
Additional paid-in capital	12,604	12,416
Retained earnings	195,649	149,816
Accumulated other comprehensive loss	(48)	(172)
Total shareholders' equity	319,443	273,298
Total liabilities and shareholders' equity	3,196,963	2,961,958
Common stock
Shareholders' equity:
Common stock, voting, no par value, authorized 500,000,000 shares; issued and outstanding 53,012,283 and 52,963,308 shares at September 30, 2018 and December 31, 2017, respectively	$ 111,238	$ 111,238

Condensed Consolidated Balanc_2

Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Allowance for loan losses	$ 20,765	$ 18,457
Preferred stock, authorized (in shares)	10,000,000	10,000,000
Preferred stock, issued (in shares)	0	0
Preferred stock, outstanding (in shares)	0	0
Common stock
Common stock, par value (in dollars per share)	$ 0	$ 0
Common stock, authorized (in shares)	500,000,000	500,000,000
Common stock, issued (in shares)	53,012,283	52,963,308
Common stock, outstanding (in shares)	53,012,283	52,963,308

Condensed Consolidated Statemen

Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Interest income
Interest and fees on loans	$ 40,772	$ 32,373	$ 115,752	$ 88,116
Interest and dividends on investment securities	958	502	2,619	1,302
Other interest	166	55	399	103
Total interest income	41,896	32,930	118,770	89,521
Interest expense
Interest on deposits	8,628	4,375	22,396	11,686
Interest on Federal Home Loan Bank borrowings	1,297	1,344	3,464	3,044
Interest on subordinated notes	1,173	1,067	3,516	2,883
Total interest expense	11,098	6,786	29,376	17,613
Net interest income	30,798	26,144	89,394	71,908
Provision for loan losses	423	900	2,184	2,100
Net interest income after provision for loan losses	30,375	25,244	87,210	69,808
Non-interest income
Gain (loss) on sale of investment securities			(3)	73
Gain (loss) on sale of mortgage loans held for sale	129	(191)	222	(174)
Gain on sale of portfolio loans	2,876	4,568	11,885	8,987
Unrealized losses on equity securities	(31)		(125)
Income on cash surrender value of bank-owned life insurance	299	294	889	877
Other income	415	173	1,321	559
Total non-interest income	4,233	5,504	16,023	12,260
Non-interest expense
Salaries and employee benefits	6,973	6,211	20,851	16,898
Occupancy and equipment	1,760	1,549	4,916	4,354
Professional fees	898	344	2,344	1,008
Advertising and marketing	470	233	1,170	655
FDIC assessments	186	335	1,203	841
Data processing	311	281	894	767
Other	1,933	1,382	5,277	4,295
Total non-interest expense	12,531	10,335	36,655	28,818
Income before income taxes	22,077	20,413	66,578	53,250
Income tax expense	6,336	8,321	19,106	21,804
Net income	$ 15,741	$ 12,092	$ 47,472	$ 31,446
Income per share, basic and diluted (in dollars per share)	$ 0.30	$ 0.27	$ 0.90	$ 0.69
Weighted average common shares outstanding:
Basic (in shares)	52,963,308	45,271,000	52,963,308	45,271,000
Diluted (in shares)	52,966,593	45,271,000	52,965,089	45,271,000
Service charges and fees
Non-interest income
Non-interest income	$ 100	$ 65	$ 266	$ 202
Investment management and advisory fees
Non-interest income
Non-interest income	$ 445	$ 595	$ 1,568	$ 1,736

Condensed Consolidated Statem_2

Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Condensed Consolidated Statements of Comprehensive Income (Unaudited)
Net income	$ 15,741	$ 12,092	$ 47,472	$ 31,446
Other comprehensive income, net of tax:
Unrealized gains on investment securities, arising during the period, net of tax effect of $5, $51, $19, and $30, respectively	19	95	72	56
Reclassification adjustment for (gains) losses included in net income of $0, $0, $3, and $(73), respectively, included in gain (loss) on sale of investment securities, net of tax effect of $0, $0, $(1), and $26, respectively			2	(47)
Total other comprehensive income	19	95	74	9
Comprehensive income	$ 15,760	$ 12,187	$ 47,546	$ 31,455

Condensed Consolidated Statem_3

Condensed Consolidated Statements of Comprehensive Income (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Condensed Consolidated Statements of Comprehensive Income (Unaudited)
Unrealized losses on available for sale debt securities, arising during the year, tax effect	$ 5	$ 51	$ 19	$ 30
Reclassification adjustment for (gains) losses included in net income on sale of investment securities, before tax	0	0	3	(73)
Reclassification adjustment for gain (loss) included in net income on sale of investment securities, tax expense	$ 0	$ 0	$ (1)	$ 26

Condensed Consolidated Statem_4

Condensed Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Common stock, votingCommon stock	Common stock, non-votingCommon stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Total
Balance at beginning of the period at Dec. 31, 2016	$ 22,863	$ 2,885	$ 15,118	$ 121,446	$ (40)	$ 162,272
Balance at beginning of the period (in shares) at Dec. 31, 2016	40,199,000	5,072,000
Increase (Decrease) in Stockholders' Equity
Net income				10,416		10,416
Capital contributions from controlling member of merged entity (Note 1)			218			218
Other comprehensive income (loss)					(29)	(29)
Dividends distributed				(1,767)		(1,767)
Balance at end of the period at Mar. 31, 2017	$ 22,863	$ 2,885	15,336	130,095	(69)	171,110
Balance at end of the period (in shares) at Mar. 31, 2017	40,199,000	5,072,000
Balance at beginning of the period at Dec. 31, 2016	$ 22,863	$ 2,885	15,118	121,446	(40)	162,272
Balance at beginning of the period (in shares) at Dec. 31, 2016	40,199,000	5,072,000
Increase (Decrease) in Stockholders' Equity
Net income						31,446
Other comprehensive income (loss)						9
Balance at end of the period at Sep. 30, 2017	$ 22,863	$ 2,885	12,416	146,339	(31)	184,472
Balance at end of the period (in shares) at Sep. 30, 2017	40,199,000	5,072,000
Balance at beginning of the period at Mar. 31, 2017	$ 22,863	$ 2,885	15,336	130,095	(69)	171,110
Balance at beginning of the period (in shares) at Mar. 31, 2017	40,199,000	5,072,000
Increase (Decrease) in Stockholders' Equity
Net income				8,938		8,938
Distribution recorded to members of merged entity (Note 1)			(2,920)			(2,920)
Other comprehensive income (loss)					(57)	(57)
Dividends distributed				(2,662)		(2,662)
Balance at end of the period at Jun. 30, 2017	$ 22,863	$ 2,885	12,416	136,371	(126)	174,409
Balance at end of the period (in shares) at Jun. 30, 2017	40,199,000	5,072,000
Increase (Decrease) in Stockholders' Equity
Net income				12,092		12,092
Other comprehensive income (loss)					95	95
Dividends distributed				(2,124)		(2,124)
Balance at end of the period at Sep. 30, 2017	$ 22,863	$ 2,885	12,416	146,339	(31)	184,472
Balance at end of the period (in shares) at Sep. 30, 2017	40,199,000	5,072,000
Balance at beginning of the period at Dec. 31, 2017	$ 111,238		12,416	149,816	(172)	273,298
Balance at beginning of the period (in shares) at Dec. 31, 2017	52,963,308
Increase (Decrease) in Stockholders' Equity
Net income				15,749		15,749
Stock-based compensation			9			9
Other comprehensive income (loss)					(13)	(13)
Dividends distributed				(531)		(531)
Cumulative effect adjustment, reclassification of unrealized losses on equity securities (Note 3)				(50)	50
Restricted stock awards (in shares)	39,655
Balance at end of the period at Mar. 31, 2018	$ 111,238		12,425	164,984	(135)	288,512
Balance at end of the period (in shares) at Mar. 31, 2018	53,002,963
Balance at beginning of the period at Dec. 31, 2017	$ 111,238		12,416	149,816	(172)	273,298
Balance at beginning of the period (in shares) at Dec. 31, 2017	52,963,308
Increase (Decrease) in Stockholders' Equity
Net income						47,472
Other comprehensive income (loss)						74
Balance at end of the period at Sep. 30, 2018	$ 111,238		12,604	195,649	(48)	319,443
Balance at end of the period (in shares) at Sep. 30, 2018	53,012,283
Balance at beginning of the period at Mar. 31, 2018	$ 111,238		12,425	164,984	(135)	288,512
Balance at beginning of the period (in shares) at Mar. 31, 2018	53,002,963
Increase (Decrease) in Stockholders' Equity
Net income				15,982		15,982
Stock-based compensation			76			76
Other comprehensive income (loss)					68	68
Dividends distributed				(528)		(528)
Balance at end of the period at Jun. 30, 2018	$ 111,238		12,501	180,438	(67)	304,110
Balance at end of the period (in shares) at Jun. 30, 2018	53,002,963
Increase (Decrease) in Stockholders' Equity
Net income				15,741		15,741
Stock-based compensation			103			103
Other comprehensive income (loss)					19	19
Dividends distributed				(530)		(530)
Restricted stock awards (in shares)	9,320
Balance at end of the period at Sep. 30, 2018	$ 111,238		$ 12,604	$ 195,649	$ (48)	$ 319,443
Balance at end of the period (in shares) at Sep. 30, 2018	53,012,283

Condensed Consolidated Statem_5

Condensed Consolidated Statements of Changes in Shareholders' Equity (Unaudited) (Parenthetical) - $ / shares	3 Months Ended
	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017
Condensed Consolidated Statements of Changes in Shareholders' Equity (Unaudited)
Dividends paid per common share (in dollars per share)	$ 0.01	$ 0.01	$ 0.01	$ 0.04	$ 0.06	$ 0.04

Condensed Consolidated Statem_6

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Cash Flows From Operating Activities
Net income	$ 47,472	$ 31,446
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	2,184	2,100
Deferred income taxes	(174)	(123)
(Gain) loss on sale of investment securities	3	(73)
Unrealized losses on equity securities	125
Amortization (accretion), net on investment securities	(514)	173
Depreciation and amortization on leasehold improvements and equipment	959	880
Amortization of intangible asset	338	338
Origination, premium paid and purchase of loans, net of principal payments, mortgage loans held for sale	(29,565)	(87,008)
Proceeds from sale of mortgage loans held for sale	27,623	89,600
(Gain) loss on sale of mortgage loans held for sale	(222)	174
Gain on sale of portfolio loans	(11,885)	(8,987)
Increase in cash surrender value of bank-owned life insurance	(466)	(490)
Amortization, net of valuation allowance adjustments, of servicing assets	1,375	1,209
Stock-based compensation	188
Other	104	82
Change in operating assets and liabilities:
Accrued interest receivable	(1,594)	(1,946)
Other assets	(851)	(239)
Accrued expenses and other liabilities	24,795	23,805
Net cash provided by operating activities	59,895	50,941
Cash Flows From Investing Activities
Investment securities: Maturities and principal receipts	57,891	63,954
Investment securities: Sales	2,778	66,949
Investment securities: Purchases	(76,091)	(165,328)
Purchases of investment securities, restricted stock		(4,590)
Loans originated, net of repayments	(547,298)	(684,209)
Proceeds from the sale of portfolio loans	352,141	271,728
Purchase of leasehold improvements and equipment	(2,956)	(1,732)
Net cash used in investing activities	(213,535)	(453,228)
Cash Flows From Financing Activities
Net increase in deposits	166,961	484,317
Proceeds from advances from Federal Home Loan Bank	4,275,000	4,023,000
Repayments of advances from Federal Home Loan Bank	(4,278,000)	(4,080,000)
Net change in line of credit with Federal Home Loan Bank		(16,915)
Proceeds from issuance of subordinated notes		15,611
Payment of debt issuance costs		(191)
Payment of offering costs		(213)
Capital contributions from controlling member of merged entity		218
Distribution to members of merged entity		(2,920)
Dividends paid to shareholders	(1,589)	(6,553)
Net cash provided by financing activities	162,372	416,354
Net change in cash and due from banks	8,732	14,067
Cash and due from banks at beginning of period	40,147	22,124
Cash and due from banks at end of period	48,879	36,191
Cash paid:
Interest	23,568	16,053
Income taxes	18,500	19,300
Noncash investing and financing activities:
Transfers of residential real estate loans to mortgage loans held for sale	382,531	$ 32,565
Transfers of residential real estate loans from mortgage loans held for sale	$ 39,210

Nature of Operations and Basis

Nature of Operations and Basis of Presentation	9 Months Ended
	Sep. 30, 2018
Nature of Operations and Basis of Presentation
Nature of Operations and Basis of Presentation	Note 1—Nature of Operations and Basis of Presentation Nature of Operations Sterling Bancorp, Inc. (the “Company”) is a unitary thrift holding company that was incorporated in 1989 and the parent company to its wholly owned subsidiary, Sterling Bank and Trust, F.S.B. (the “Bank”). The Company’s business is conducted through the Bank which was formed in 1984. The Bank originates construction, residential and commercial real estate loans, commercial lines of credit, and other consumer loans and receives deposits from its customers located primarily in California and Michigan. The Bank operates through a network of 29 branches: one branch at its headquarters in Michigan, 25 branches located in San Francisco and Los Angeles, California, two branches located in New York, New York, and one branch located in the greater Seattle, Washington market. Additionally, the Bank’s operations include a registered investment advisory business with assets held under management of $304 million at September 30, 2018. The Company is headquartered in Southfield, Michigan and its operations are in the financial services industry. Management evaluates the performance of its business based on one reportable segment, community banking. The Company is subject to regulation, examination and supervision by the Board of Governors of the Federal Reserve (“Federal Reserve”). The Bank is a federally chartered stock savings bank which is subject to regulation, supervision and examination by the Office of the Comptroller of the Currency (“OCC”) of the U.S. Department of Treasury and the Federal Deposit Insurance Corporation (“FDIC”) and is a member of the Federal Home Loan Bank (“FHLB”) system. Initial Public Offering In November 2017, the Company completed its initial public offering whereby it issued and sold 7,692,308 shares of common stock at a public offering price of $12.00 per share. The Company received net proceeds of $85.5 million after deducting underwriting discounts and commissions of $5.5 million and other offering expenses of $1.3 million. The Company continues to use the proceeds to support the Bank’s growth initiatives. Basis of Presentation The condensed consolidated balance sheet as of September 30, 2018, and the condensed consolidated statements of income, comprehensive income, changes in shareholders’ equity and cash flows for the three and nine months ended September 30, 2018 and 2017 are unaudited. The unaudited condensed consolidated financial statements have been prepared on the same basis as the annual consolidated financial statements and reflect, in the opinion of management, all normal and recurring adjustments, considered necessary for a fair presentation of the financial position, results of operations and cash flows for the periods presented. The financial data and other financial information disclosed in these notes to the condensed consolidated financial statements related to these periods are also unaudited. The results of operations for the three and nine months ended September 30, 2018 are not necessarily indicative of the results that may be expected for the year ended December 31, 2018 or for any future annual or interim period. The consolidated balance sheet at December 31, 2017 included herein was derived from the audited financial statements as of that date. The accompanying unaudited condensed consolidated financial statements and notes thereto 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, 2017. Adjustments to Prior Interim Periods In the second quarter of 2018, the Company corrected the classification of commitment fees, net of direct loan origination costs, earned on construction loans and other lines of credit to commercial customers in its condensed consolidated statements of income to the financial statement caption, interest and fees on loans, within interest income, which were previously reported in service charges and fees, within non-interest income. The Company has made the correction to conform with accounting principles generally accepted in the United States of America ("U.S. GAAP"). As a result, prior period financial statements included herein have been adjusted from the amounts previously reported. The amount of the adjustment to decrease service charges and fees, and increase interest and fees on loans was $648 and $1,510 for the three and nine months ended September 30, 2017, respectively. There was no change to the reported net income or income per share, basic and diluted, as previously reported as a result of this immaterial correction. Management has evaluated the materiality of these corrections on its previously filed financial statements from a quantitative and qualitative perspective, and has concluded that these corrections were not material to the prior periods. Merger of Quantum Fund, LLC On April 24, 2017, the Bank acquired all the outstanding equity interests of Quantum Fund, LLC, an entity controlled by the Company’s principal shareholder who owned, directly and indirectly, 80% of the members’ interests with the remaining 20% members’ interest held by a member of the Board of Directors of the Company and Bank, for $2.9 million in cash. Such amount has been reflected as a distribution to the members in the consolidated statements of changes in shareholders' equity. The entity operated a registered investment advisory business with assets held under management of approximately $425 million at the time of merger. In 2017, the Bank recorded the assets and liabilities transferred at their carrying amounts, consisting primarily of a customer‑related intangible asset, in the accounts of the entity transferred. Prior to 2017, the consolidated financial statements have been retrospectively adjusted to include the results of the Company and its wholly‑owned subsidiary, and the entity under common control on a combined basis, since the entities were under common control.

Summary of Significant Accounti

Summary of Significant Accounting Policies	9 Months Ended
	Sep. 30, 2018
Summary of Significant Accounting Policies
Summary of Significant Accounting Policies	Note 2—Summary of Significant Accounting Policies Principles of Consolidation The accompanying consolidated financial statements have been prepared in conformity with U.S. GAAP. The consolidated financial statements include the results of the Company and its wholly-owned subsidiary, and an entity under common control that was merged with the Company in April 2017 (Note 1). All significant intercompany accounts and transactions have been eliminated in the consolidation. Use of Estimates The preparation of the consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Fair Value Measurements The Bank utilizes fair value measurements to record fair value adjustments to certain assets and liabilities and to determine fair value disclosures. The determination of fair values of financial instruments often requires the use of estimates. In cases where quoted market values in an active market are not readily available, the Bank uses present value techniques and other valuation methods, as disclosed in Note 11, to estimate the fair value of its financial instruments. These valuation methods require considerable judgment and the resulting estimates of fair value can be significantly affected by the assumptions made and methods used. Investment securities available for sale are recorded at fair value on a recurring basis. Additionally, from time to time, the Bank may be required to record other assets and liabilities at fair value on a nonrecurring basis, such as impaired loans, other real estate owned, nonmarketable equity securities and certain other assets and liabilities. These nonrecurring fair value adjustments generally involve write-downs of individual assets or application of lower of amortized cost or fair value accounting. Concentration of Credit Risk The Company's loan portfolio consists primarily of residential real estate loans which are collateralized by real estate. At September 30, 2018 and December 31, 2017, residential real estate loans accounted for 83% and 82%, respectively, of the loan portfolio. In addition, most of these residential loans and other commercial loans have been made to individuals and businesses in the state of California which are dependent on the area economy for their livelihoods and servicing of their loan obligation. At September 30, 2018 and December 31, 2017, approximately 95% of the loan portfolio was originated in California. Investment Securities Investment securities includes available for sale debt securities and equity securities. Debt Securities Debt securities are classified as either available for sale or held to maturity. Management determines the classification of the debt securities when they are purchased. Debt securities available for sale are stated at fair value, with unrealized gains and losses excluded from income and shown as a separate component of shareholders' equity in accumulated other comprehensive income, net of tax. Held to maturity securities are carried at amortized cost when management has the positive intent and ability to hold them to maturity. The amortized cost of debt securities classified as held to maturity or available for sale is adjusted for amortization of premiums and accretion of discounts over the contractual life of the investment security using the effective interest method or, in the case of mortgage-backed securities, over the estimated life of the investment security using the effective yield method. Interest income includes amortization or accretion of purchase premium or discount. Gains and losses on sales are recorded on the settlement date and determined using the specific identification method. Management evaluates debt securities for other-than-temporary impairment at least on a quarterly basis and more frequently when economic or market conditions warrant such an evaluation. In determining other-than-temporary impairment for debt securities, management considers many factors, including: (1) the length of time and the extent to which the fair value has been less than cost, (2) the financial condition and near-term prospects of the issuer, (3) whether the market decline was affected by macroeconomic conditions, and (4) whether the Company has the intent to sell the debt security or more likely than not will be required to sell the debt security before its anticipated recovery. The assessment of whether a decline is other-than-temporary involves a high degree of subjectivity and judgment and is based on the information available to management at a point in time. A charge is recognized against income for all or a portion of the impairment if the loss is determined to be other than temporary. If the Bank intends to sell the debt security or it is more likely than not that the Bank will be required to sell the debt security prior to the recovery of its amortized cost basis, the debt security is written down to fair value, and the full amount of any impairment charge is recorded as a loss in the condensed consolidated statements of income. If the Bank does not intend to sell the debt security and it is more likely than not that the Bank will not be required to sell the debt security prior to recovery of its amortized cost basis, only the current period credit loss of any impairment of a debt security is recognized in the condensed consolidated statements of income, with the remaining impairment recorded in other comprehensive income. Equity Securities Beginning January 1, 2018, equity securities with readily determinable fair values are stated at fair value with unrealized and realized gains and losses reported in income. Those equity securities without readily determinable fair values are recorded at cost, less any impairments, adjusted for subsequent observable price changes in orderly transactions for an identical or similar investment of the same issuer. Any changes in the carrying value of the equity investments are recognized in income. Refer to Note 3, Investment Securities. For periods prior to January 1, 2018, equity securities were classified as available for sale and stated at fair value with unrealized gains and losses reported as a separate component of accumulated other comprehensive income, net of tax. The Company performs a qualitative assessment each reporting period to identify impairment of equity securities without readily determinable fair values. When a qualitative assessment indicates that an impairment exists, the Company determines the fair value of the investment and if the fair value is less than the investment's carrying value, an impairment loss is recorded equal to the difference between the fair value and the carrying amount of the investment in income. Federal Home Loan Bank Stock The Bank is a member of the FHLB system. Members are required to own a certain amount of stock based on the level of borrowings and other factors, and may invest additional amounts. The FHLB stock is carried at cost, classified as a restricted security, and periodically evaluated for impairment based on ultimate recovery of par value. The FHLB stock does not have a readily determinable fair value and no quoted market value as the ownership is restricted to member institutions. Also, the FHLB stock is pledged as collateral on FHLB borrowings. Cash and stock dividends are reported as income in interest and dividends on investment securities in the condensed consolidated statements of income. Cash dividends received amounted $257 and $194 for the three months ended September 30, 2018 and 2017, respectively, and $888 and $583 for the nine months ended September 30, 2018 and 2017, respectively. Revenue from Contracts with Customers On January 1, 2018, the Company adopted Accounting Standards Update (“ASU”) 2014-09, Revenue from Contracts with Customers and all subsequent amendments to the ASU (collectively, “ASC 606”), which establishes principles for reporting information about the nature, amount, timing and uncertainty of revenue and cash flows arising from an entity’s contracts to provide goods or services to its customers. The core principle of ASC 606 requires an entity to recognize revenue to depict the transfer of goods or services to customers in an amount that reflects the consideration that it expects to be entitled to receive in exchange for those goods or services recognized as performance obligations are satisfied. The Company adopted ASC 606 using the modified retrospective method applied to all contracts not completed as of the adoption date. The adoption of ASC 606 did not result in a change in the accounting for any of the in-scope revenue streams; as such no cumulative effect adjustment was recorded at adoption. The majority of the Company’s revenues are from interest income and other sources, including loans and investment securities, as well as fees related to mortgage servicing activities, that are not within the scope of ASC 606 and are instead subject to other accounting guidance. The Company’s services that are within the scope of ASC 606 are recorded within non-interest income which includes investment management and advisory fees, service charges on deposit accounts, interchange income and other service charges and fees. Descriptions of these activities that are within the scope of ASC 606, which are presented in the condensed consolidated statements of income as components of non-interest income, are as follows: Service charges on deposit accounts: The Bank earns fees from its deposit customers for transaction-based, account maintenance and overdraft services. Transaction-based fees, which include services such as ATM use fees, stop payment charges, statement rendering, and ACH fees, are recognized at the time the transaction is executed as that is the point in time the Bank fulfills the customer’s request. Account maintenance fees, which relate primarily to monthly maintenance, are earned over the course of a month, representing the period over which the Bank satisfies the performance obligations. Overdraft fees are recognized at the point in time that the overdraft occurs. Service charges on deposit accounts are withdrawn from the customer’s account balance. Investment management and advisory fees: The Bank enters into contracts with certain customers to provide asset management services that will continue indefinitely unless terminated in writing by either party to the contract. The Bank receives a quarterly management fee, payable in advance, based on the customer’s assets held under management at the beginning of the period. These fees are earned over time as the Bank provides the contracted services and are assessed based on a tiered rate applied to the market value of assets held under management. The Bank does not earn performance-based incentives. Interchange fees: The Bank earns interchange fees from debit cardholder transactions conducted through the MasterCard payment network. Interchange fees from cardholder transactions represent a percentage of the underlying transaction value and are recognized daily, concurrently with the transaction processing services provided to the cardholder. Such interchange activity is shown on a net basis through non-interest income -- other income. Other service charges and fees: Other charges and fees includes revenue generated from wire transfers, lockboxes, and bank issuance of checks. Such fees are recognized at the point in time the customer requests the service and the service has been rendered. The following table presents the Company’s sources of non-interest income for the three and nine months ended September 30, 2018 and 2017 that are within the scope of ASC 606: Three Months Ended Nine Months Ended September 30, September 30, 2018 2017 2018 2017 Non-Interest Income: Service charges on deposit accounts* $ 60 $ 46 $ 164 $ 126 Investment management and advisory fees 445 595 1,568 1,736 Interchange fees* 28 32 80 88 Other service charges and fees* 15 10 35 22 Not within the scope of ASC 606 3,685 4,821 14,176 10,288 Total non-interest income $ 4,233 $ 5,504 $ 16,023 $ 12,260 * Included in service charges and fees, and other income in the condensed consolidated statements of income Contract Balances The Bank’s noninterest revenue streams are largely based on transactional activity or month-end revenue accruals such as investment management and advisory fees based on the customer’s assets held under management at the beginning of the period. Consideration is often received immediately or shortly thereafter, and the Bank satisfies its performance obligation and recognizes revenue over time. At September 30, 2018 and December 31, 2017, the Bank had a contract asset balance of $34 and $91, respectively, which was recorded in other assets in the condensed consolidated balance sheets. Stock-based compensation Compensation cost is recognized for stock options and restricted stock awards issued to employees and non-employee members of the Company’s Board of Directors, based on the fair value of these awards at the date of grant. The fair value of stock options is estimated using a Black-Scholes option pricing model and the fair value of restricted stock awards is based on the market price of the Company’s common stock at the date of grant reduced by the present value of dividends per share expected to be paid during the period the shares are not vested. Compensation cost is recorded over the required service period, generally defined as the vesting period. For awards with graded vesting, compensation cost is recorded on a straight-line basis over the requisite service period of the entire award. The Company’s accounting policy is to record forfeitures in the period that they occur. Income per Share, Basic and Diluted Basic income per share represents net income divided by the weighted average number of common shares outstanding during the period. Diluted income per share represents net income divided by the weighted average number of common shares outstanding during the period, plus the effect of outstanding potentially dilutive common shares. Recently Issued Accounting Guidance In August 2018, the Financial Accounting Standards Board (FASB) issued ASU No. 2018-13, Fair Value Measurement (Topic 820): Disclosure Framework-Changes to the Disclosure Requirements for Fair Value Measurement , which modifies the disclosure requirements for fair value measurements as follows: (1) removes the requirement to disclose the amount of and reasons for transfers between Level 1 and Level 2 of the fair value hierarchy, and the reporting entity's policy for timing of transfers between levels; (2) removes the requirement to disclose the valuation processes for Level 3 fair value measurements; (3) clarifies that the measurement uncertainty disclosure for recurring Level 3 fair value measurements is to communicate information about the uncertainty in measurement as of the reporting date; (4) requires disclosure of the changes in unrealized gains and losses for the period included in other comprehensive income for recurring Level 3 fair value measurements held at the end of the reporting period; and (5) requires disclosure of the range and weighted average of significant unobservable inputs used to develop Level 3 fair value measurements. ASU No. 2018-13 is effective for fiscal years, and interim periods within those years, beginning after December 15, 2019. An entity is permitted to early adopt the provisions that remove or modify disclosures upon issuance of this ASU and delay adoption of the additional disclosures until the effective date. The Company is currently evaluating this ASU and does not expect the adoption of the ASU to have a significant impact on its current fair value measurement disclosures. In June 2016, the Financial Accounting Standards Board (FASB) issued ASU No. 2016‑13, Financial Instruments—Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments , which is intended to improve financial reporting by requiring recording of credit losses on loans and other financial instruments on a more timely basis. The guidance will replace the current incurred loss accounting model with an expected loss approach and requires the measurement of all expected credit losses for financial assets held at the reporting date based on historical experience, current conditions, and reasonable and supportable forecasts. The guidance requires enhanced disclosures to help investors and other financial statement users better understand significant estimates and judgments used in estimating credit losses, as well as the credit quality and underwriting standards of an organization’s portfolio. ASU No. 2016‑13 is effective for annual periods and interim periods within those annual periods, beginning after December 15, 2019. The Company has formed a cross-functional implementation team consisting of individuals from credit, finance and information systems. A project plan has been developed and the implementation team is working on identifying and researching key interpretive issues and is in the process of reviewing existing credit models to identify areas where new impairment models may be required. The Company expects to recognize a cumulative effect adjustment to the opening balance of retained earnings as of the beginning of the first reporting period in which ASU No. 2016‑13 is effective. The Company has not yet determined the magnitude of any such one‑time adjustment or the overall impact of ASU No. 2016‑13 on its consolidated financial statements. In February 2016, the FASB issued ASU No. 2016-02, Leases (Topic 842) which require lessees to recognize the following for all leases, except for short-term leases, at the commencement date: (1) a lease liability which is a lessee’s obligation to make lease payments arising from a lease, measured on a discounted basis; 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 is largely unchanged. In July 2018, the FASB issued ASU 2018-10, Codification Improvements to Topic 842, Leases , which provides corrections or clarification on narrow aspects of Topic 842. Also, in July 2018, the FASB issued ASU 2018-11, Leases (Topic 842): Targeted Improvements , which provides entities with another transition method for adopting the new leasing guidance. As originally issued, ASC 842 requires entities to use a modified retrospective transition approach to apply the new guidance as of the beginning of the earliest period presented in the financial statements in the period adopted. The optional transition method allows entities to apply the new guidance at the adoption date by recording a cumulative-effect adjustment to the opening balance of retained earnings, and not to restate the comparative periods presented.ASU No. 2016-02 will also require expanded disclosures. ASU No. 2016-02 is effective for annual periods and interim periods within those annual periods beginning after December 15, 2018. The Company is continuing to assess the impact of ASU No. 2016-02 on its financial condition and results of operations. Although, the Company plans to use the optional transition method and record a cumulative-effect adjustment to the opening balance of retained earnings on January 1, 2019. In addition, the Company expects to elect to apply the package of practical expedients upon transition, which includes no reassessment of whether existing contracts are or contain leases as well as no reassessment of lease classification for existing leases. Also, any initial direct costs for any leases that exist prior to adoption will be retained. The Company will record a right-of-use asset and a lease liability on its consolidated balance sheet for the leases of its facilities in place upon adoption and expects this ASU will not significantly impact its operating results.

Investment Securities

Investment Securities	9 Months Ended
	Sep. 30, 2018
Investment Securities
Investment Securities	Note 3—Investment Securities Debt Securities The following tables summarize the amortized cost and fair value of debt securities available for sale at September 30, 2018 and December 31, 2017 and the corresponding amounts of gross unrealized gains and losses: September 30, 2018 Amortized Gross Unrealized Fair Cost Gain Loss Value Available for sale: U.S. Treasury securities $ 136,764 $ — $ (118) $ 136,646 Collateralized mortgage obligations 1,633 64 — 1,697 Collateralized debt obligations 309 — (6) 303 Total $ 138,706 $ 64 $ (124) $ 138,646 December 31, 2017 Amortized Gross Unrealized Fair Cost Gain Loss Value Available for sale: U.S. Treasury securities $ 120,216 $ — $ (174) $ 120,042 Collateralized mortgage obligations 1,953 55 — 2,008 Collateralized debt obligations 606 — (35) 571 Total $ 122,775 $ 55 $ (209) $ 122,621 The Company held no securities of any single issuer, other than debt securities issued by the U.S. government, government agency and government-sponsored enterprises, which were in excess of 10% of shareholders’ equity as of September 30, 2018 and December 31, 2017. Information pertaining to sales of debt securities available for sale is as follows: Three Months Ended Nine Months Ended September 30, September 30, 2018 2017 2018 2017 Proceeds $ — $ 51,236 $ 2,778 $ 66,949 Gross realized gains $ — $ 40 $ — $ 114 Gross realized losses — (40) (3) (41) Total net realized gains (losses) $ — $ — $ (3) $ 73 The amortized cost and fair value of debt securities available for sale issued by U.S. Treasury at September 30, 2018 are shown by contractual maturity. Collateralized mortgage obligations and collateralized debt obligations are disclosed separately in the table below as the expected maturities may differ from contractual maturities if borrowers have the right to call or prepay obligations with or without call or prepayment penalties. Amortized Fair Cost Value U.S. Treasury securities Due less than one year $ 136,764 $ 136,646 Collateralized mortgage obligations 1,633 1,697 Collateralized debt obligations 309 303 Total $ 138,706 $ 138,646 The table summarizes debt securities available for sale, at fair value, with unrealized losses at September 30, 2018 and December 31, 2017 aggregated by major security type and length of time the individual securities have been in a continuous unrealized loss position, as follows: September 30, 2018 Less than 12 Months 12 Months or More Total Fair Unrealized Fair Unrealized Fair Unrealized Value Losses Value Losses Value Losses U.S. Treasury securities $ 136,646 $ (118) $ — $ — $ 136,646 $ (118) Collateralized debt obligations — — 303 (6) 303 (6) Total $ 136,646 $ (118) $ 303 $ (6) $ 136,949 $ (124) December 31, 2017 Less than 12 Months 12 Months or More Total Fair Unrealized Fair Unrealized Fair Unrealized Value Losses Value Losses Value Losses U.S. Treasury securities $ 120,042 $ (174) $ — $ — $ 120,042 $ (174) Collateralized debt obligations — — 571 (35) 571 (35) Total $ 120,042 $ (174) $ 571 $ (35) $ 120,613 $ (209) At September 30, 2018, the Company’s debt securities portfolio consisted of 9 debt securities, with 7 debt securities in an unrealized loss position. For debt securities in an unrealized loss position, management has both the intent and ability to hold these investments until the recovery of the decline; thus, the impairment was determined to be temporary. All interest and dividends are considered taxable. The Company holds a collateralized debt obligation with a carrying value of $303 and $571 at September 30, 2018 and December 31, 2017, respectively. The security was rated high quality at inception, but it was subsequently rated by Moody’s as B1, which is defined as “extremely speculative.” The issuers of the security are primarily banks. The Company uses in-house and third party other-than-temporary impairment evaluation models to compare the present value of expected cash flows to the previous estimate to ensure there are no adverse changes in cash flows during the period. The other-than-temporary impairment model considers the structure and term of the collateralized debt obligations and the financial condition of the underlying issuers. Assumptions used in the model include expected future default rates and prepayments. The security remained classified as available for sale and represented $6 and $35 of the unrealized losses reported at September 30, 2018 and December 31, 2017, respectively. Equity Securities Equity securities consist of an investment in a qualified community reinvestment act investment fund, which is a publicly-traded mutual fund and an investment in Pacific Coast Banker’s Bank, a thinly traded, restricted stock. At September 30, 2018 and December 31, 2017, equity securities totaled $4,103 and $4,227, respectively. Prior to January 1, 2018, equity securities were stated at fair value with unrealized gains and losses reported as a separate component of accumulated other comprehensive income, net of tax. On January 1, 2018, the Company adopted ASU No. 2016-01, Financial Instruments - Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities (“ASU 2016-01”) and early adopted ASU No. 2018-03, Technical Corrections and Improvements to Financial Instruments - Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities (“ASU 2018-03”) . ASU No. 2016-01 requires equity investments, except those investments accounted for under the equity method of accounting, to be measured at fair value with changes in fair value recognized in net income. Also, for equity investments without readily determinable fair values, ASU No.2016-01 provides a new measurement alternative. ASU No. 2016-01 requires a cumulative-effect adjustment to retained earnings as of the beginning of the reporting period of adoption to reclassify the cumulative change in fair value of equity securities previously recognized in accumulated other comprehensive income. ASU No. 2018-03 clarifies certain aspects of the guidance in ASU No. 2016-01 primarily pertaining to the measurement alternative for equity securities without readily determinable fair values. On January 1, 2018, the Company recorded a cumulative-effect adjustment to decrease retained earnings by $50 with offsetting adjustment to accumulated other comprehensive loss. Beginning January 1, 2018, equity securities with readily determinable fair values are stated at fair value with realized and unrealized gains and losses reported in income. At September 30, 2018 and December 31, 2017, equity securities with readily determinable fair values were $3,857 and $3,981, respectively. The following is a summary of unrealized and realized gains and losses recognized in the condensed consolidated statements of income during the three and nine months ended September 30, 2018: Three Months Nine Months Ended Ended September 30, 2018 September 30, 2018 Net losses recorded during the period on equity securities $ 31 $ 125 Less: net losses recorded during the period on equity securities sold during the period — — Unrealized losses recorded during the period on equity securities held at the reporting date $ 31 $ 125 The Company has elected to account for its investment in a thinly traded, restricted stock using the measurement alternative for equity securities without readily determinable fair values. The investment was reported at $246 at each of September 30, 2018 and December 31, 2017.

Loans

Loans	9 Months Ended
	Sep. 30, 2018
Loans
Loans	Note 4—Loans Major categories of loans were as follows: September 30, December 31, 2018 2017 Construction loans $ 177,734 $ 192,319 Residential real estate loans, mortgage 2,341,989 2,132,641 Commercial real estate loans, mortgage 252,782 247,076 Commercial and industrial loans, lines of credit 44,375 40,749 Other consumer loans 35 29 Total loans 2,816,915 2,612,814 Less: allowance for loan losses (20,765) (18,457) Loans, net $ 2,796,150 $ 2,594,357 Loans with carrying values of $964.3 million and $968.4 million were pledged as collateral on FHLB borrowings at September 30, 2018 and December 31, 2017, respectively. The table presents the activity in the allowance for loan losses by portfolio segment for the three and nine months ended September 30, 2018 and 2017: Residential Commercial Three Months Ended Real Commercial Lines of Other Sepember 30, 2018 Construction Estate Real Estate Credit Consumer Unallocated Total Allowance for loan losses: Beginning balance $ 3,211 $ 12,675 $ 2,595 $ 787 $ 1 $ 1,031 $ 20,300 Provision for loan losses 110 28 — 181 — 104 423 Charge offs — — — — — — — Recoveries 5 6 31 — — — 42 Total ending balance $ 3,326 $ 12,709 $ 2,626 $ 968 $ 1 $ 1,135 $ 20,765 Residential Commercial Nine Months Ended Real Commercial Lines of Other September 30, 2018 Construction Estate Real Estate Credit Consumer Unallocated Total Allowance for loan losses: Beginning balance $ 2,218 $ 12,279 $ 2,040 $ 469 $ 1 $ 1,450 $ 18,457 Provision for loan losses 1,095 421 484 499 — (315) 2,184 Charge offs — (4) — — — — (4) Recoveries 13 13 102 — — — 128 Total ending balance $ 3,326 $ 12,709 $ 2,626 $ 968 $ 1 $ 1,135 $ 20,765 Residential Commercial Three Months Ended Real Commercial Lines of Other September 30, 2017 Construction Estate Real Estate Credit Consumer Unallocated Total Allowance for loan losses: Beginning balance $ 1,168 $ 12,472 $ 1,247 $ 385 $ 2 $ 972 $ 16,246 Provision for loan losses (244) 1,102 12 66 — (36) 900 Charge offs — — — — — — — Recoveries 1 4 38 — — — 43 Total ending balance $ 925 $ 13,578 $ 1,297 $ 451 $ 2 $ 936 $ 17,189 Residential Commercial Nine Months Ended Real Commercial Lines of Other September 30, 2017 Construction Estate Real Estate Credit Consumer Unallocated Total Allowance for loan losses: Beginning balance $ 679 $ 11,863 $ 915 $ 373 $ 2 $ 990 $ 14,822 Provision for loan losses 141 1,672 264 78 (1) (54) 2,100 Charge offs — — — — — — — Recoveries 105 43 118 — 1 — 267 Total ending balance $ 925 $ 13,578 $ 1,297 $ 451 $ 2 $ 936 $ 17,189 The following tables present the balance in the allowance for loan losses and the recorded investment by portfolio segment and based on impairment method as of September 30, 2018 and December 31, 2017: Commercial Residential Commercial Lines of Other September 30, 2018 Construction Real Estate Real Estate Credit Consumer Unallocated Total Allowance for loan losses: Ending allowance balance attributable to loans: Individually evaluated for impairment $ 78 $ 45 $ 30 $ 198 $ — $ — $ 351 Collectively evaluated for impairment 3,248 12,664 2,596 770 1 1,135 20,414 Total ending allowance balance $ 3,326 $ 12,709 $ 2,626 $ 968 $ 1 $ 1,135 $ 20,765 Loans: Loans individually evaluated for impairment $ 7,155 $ 120 $ 3,809 $ 420 $ — $ — $ 11,504 Loans collectively evaluated for impairment 170,579 2,341,869 248,973 43,955 35 — 2,805,411 Total ending loans balance $ 177,734 $ 2,341,989 $ 252,782 $ 44,375 $ 35 $ — $ 2,816,915 Commercial Residential Commercial Lines of Other December 31, 2017 Construction Real Estate Real Estate Credit Consumer Unallocated Total Allowance for loan losses: Ending allowance balance attributable to loans: Individually evaluated for impairment $ — $ 37 $ 19 $ 98 $ — $ — $ 154 Collectively evaluated for impairment 2,218 12,242 2,021 371 1 1,450 18,303 Total ending allowance balance $ 2,218 $ 12,279 $ 2,040 $ 469 $ 1 $ 1,450 $ 18,457 Loans: Loans individually evaluated for impairment $ — $ 122 $ 2,804 $ 343 $ — $ — $ 3,269 Loans collectively evaluated for impairment 192,319 2,132,519 244,272 40,406 29 — 2,609,545 Total ending loans balance $ 192,319 $ 2,132,641 $ 247,076 $ 40,749 $ 29 $ — $ 2,612,814 The following tables present information related to impaired loans by class of loans as of and for the periods indicated: At September 30, 2018 At December 31, 2017 Unpaid Allowance Unpaid Allowance Principal Recorded for Loan Principal Recorded for Loan Balance Investment Losses Balance Investment Losses With no related allowance for loan losses recorded: Construction $ 4,496 $ 4,494 $ — $ — $ — $ — Commercial real estate: Retail 1,385 1,193 — 1,431 1,247 — Apartments 1,093 1,088 — — — — Commercial lines of credit, private banking — — — 147 147 — Subtotal 6,974 6,775 — 1,578 1,394 — With an allowance for loan losses recorded: Residential real estate, first mortgage 120 120 45 122 122 37 Construction 2,661 2,661 78 — — — Commercial real estate, offices 1,539 1,528 30 1,567 1,557 19 Commercial lines of credit: Private banking 320 320 98 196 196 98 C&I lending 100 100 100 — — — Subtotal 4,740 4,729 351 1,885 1,875 154 Total $ 11,714 $ 11,504 $ 351 $ 3,463 $ 3,269 $ 154 The unpaid principal balance is not reduced for partial charge offs. The recorded investment excludes accrued interest receivable on loans which was not significant. Three Months Ended September 30, 2018 September 30, 2017 Average Interest Cash Basis Average Interest Cash Basis Recorded Income Interest Recorded Income Interest Investment Recognized Recognized Investment Recognized Recognized With no related allowance for loan losses recorded: Construction $ 4,732 $ 97 $ 48 $ — $ — $ — Commercial real estate: Retail 1,202 16 11 1,273 17 16 Gas stations — — — 4 — — Apartments 1,091 12 8 — — — Commercial lines of credit, private banking — — — 150 2 2 Subtotal 7,025 125 67 1,427 19 18 With an allowance for loan losses recorded: Residential real estate, first mortgage 121 1 1 123 1 1 Construction 2,661 55 37 — — — Commercial real estate, offices 1,532 24 15 1,568 21 21 Commercial lines of credit: Private banking 325 3 2 205 3 3 C&I lending 100 1 1 — — — Subtotal 4,739 84 56 1,896 25 25 Total $ 11,764 $ 209 $ 123 $ 3,323 $ 44 $ 43 Nine Months Ended September 30, 2018 September 30, 2017 Average Interest Cash Basis Average Interest Cash Basis Recorded Income Interest Recorded Income Interest Investment Recognized Recognized Investment Recognized Recognized With no related allowance for loan losses recorded: Construction $ 2,996 $ 196 $ 147 $ — $ — $ — Commercial real estate: Retail 1,220 48 43 1,287 50 50 Apartments 725 24 20 — — — Commercial lines of credit, private banking — — — 151 6 6 Subtotal 4,941 268 210 1,438 56 56 With an allowance for loan losses recorded: Residential real estate, first mortgage 121 4 3 122 4 6 Construction 1,774 107 89 — — — Commercial real estate, offices 1,541 67 59 1,581 60 59 Commercial lines of credit: Private banking 331 14 13 208 10 10 C&I lending 67 3 3 — — — Subtotal 3,834 195 167 1,911 74 75 Total $ 8,775 $ 463 $ 377 $ 3,349 $ 130 $ 131 Also presented in the above table is the average recorded investment of the impaired loans and the related amount of interest recognized during the time within the period that the impaired loans were impaired. When the ultimate collectability of the total principal of an impaired loan is in doubt and the loan is on nonaccrual status, all payments are applied to principal under the cost recovery method. When the ultimate collectability of the total principal of an impaired loan is not in doubt and the loan is on nonaccrual status, contractual interest is credited to interest income when received under the cash basis method. The average balances are calculated based on the month-end balances of the loans for the period reported. The following tables present the recorded investment in nonaccrual and loans past due over 90 days still on accrual by class of loans as of September 30, 2018 and December 31, 2017: September 30, 2018 December 31, 2017 Loans Past Loans Past Due Over 90 Due Over 90 Days Still Days Still Nonaccrual Accruing Nonaccrual Accruing Residential real estate: Residential first mortgage $ 214 $ 77 $ 573 $ 131 Commercial real estate: Retail 65 — 79 — Total $ 279 $ 77 $ 652 $ 131 The following tables present the aging of the recorded investment in past due loans as of September 30, 2018 and December 31, 2017 by class of loans: Greater 30 ‑ 59 60 ‑ 89 than Days Days 89 Days Total Loans Not September 30, 2018 Past Due Past Due Past Due Past Due Past Due Total Construction $ — $ — $ — $ — $ 177,734 $ 177,734 Residential real estate: Residential first mortgage 906 300 291 1,497 2,320,770 2,322,267 Residential second mortgage — 295 — 295 19,427 19,722 Commercial real estate: Retail — — 65 65 10,062 10,127 Apartments — — — — 64,994 64,994 Offices — — — — 26,528 26,528 Hotel — — — — 105,470 105,470 Industrial — — — — 14,823 14,823 Gas stations — — — — 988 988 Other — — — — 29,852 29,852 Commercial lines of credit: Private banking — — — — 24,839 24,839 C&I lending — — — — 19,536 19,536 Other consumer loans — — — — 35 35 Total $ 906 $ 595 $ 356 $ 1,857 $ 2,815,058 $ 2,816,915 Greater 30 ‑ 59 60 ‑ 89 than Days Days 89 Days Total Loans Not December 31, 2017 Past Due Past Due Past Due Past Due Past Due Total Construction $ — $ — $ — $ — $ 192,319 $ 192,319 Residential real estate: Residential first mortgage 8,902 392 704 9,998 2,105,142 2,115,140 Residential second mortgage 107 — — 107 17,394 17,501 Commercial real estate: Retail — — 79 79 10,530 10,609 Apartments — — — — 59,582 59,582 Offices — — — — 26,571 26,571 Hotel — — — — 103,195 103,195 Industrial — — — — 15,907 15,907 Gas stations — — — — 1,067 1,067 Other — — — — 30,145 30,145 Commercial lines of credit: Private banking — — — — 22,898 22,898 C&I lending — — — — 17,851 17,851 Other consumer loans — — — — 29 29 Total $ 9,009 $ 392 $ 783 $ 10,184 $ 2,602,630 $ 2,612,814 The Company considers the performance of the loan portfolio and its impact on the allowance for loan losses. For residential real estate and consumer loan classes, the Company also evaluates credit quality based on the aging status of the loan, which is presented above, and by payment activity. The Company reviews the status of nonperforming loans which include loans 90 days past due and still accruing and nonaccrual loans. Troubled Debt Restructurings At September 30, 2018 and December 31, 2017, the balance of outstanding loans identified as troubled debt restructurings was $5,744 and $3,073, respectively. The Company has an allowance for loan losses of $261 and $56 on these loans at September 30, 2018 and December 31, 2017, respectively. There were no loans identified as troubled debt restructurings that subsequently defaulted. The terms of certain loans have been modified as troubled debt restructurings by the Company. The modification of the terms of such loans included one or a combination of the following: a reduction of the stated interest rate of the loan; an extension of the maturity date at a stated rate of interest lower than the current market rate for new debt with similar risk; extension of the amortization period of the loan; change in loan payments to interest only for a defined period for the loan; or a permanent reduction of the recorded investment in the loan. During the three and nine months ended September 30, 2018, the Company modified the terms of a construction loan and a commercial and industrial loan by providing for an extension of the maturity dates by 7 months at the contract’s existing rate of interest, which is lower than the current market rate for new debt with similar risk. The total outstanding recorded investment was $2,761 at the time of modification. The modification did not result in an increase of the allowance for loan losses or charge offs. During the three and nine months ended September 30, 2017, the Company did not modify any loans as a troubled debt restructuring. The terms of certain other loans have been modified during the three and nine months ended September 30, 2018 and 2017 that did not meet the definition of a troubled debt restructuring. The modification of these loans involved either a modification of the terms of a loan to borrowers who were not experiencing financial difficulties or a delay in a payment. These other loans that were modified were not considered significant. Credit Quality The Company categorizes loans into risk categories based on relevant information about the ability of borrowers to service their debt such as: current financial information, historical payment experience, credit documentation, public information, and current economic trends, among other factors. The Company analyzes loans individually by classifying the loans as to credit risk. This analysis includes homogeneous loans such as residential real estate and other consumer loans and non-homogeneous loans, such as commercial lines of credit, construction and commercial real estate loans. This analysis is performed monthly. The Company uses the following definitions for risk ratings: Pass: Loans are of satisfactory quality. Special Mention: Loans classified as special mention have a potential weakness that deserves management’s close attention. If left uncorrected, these potential weaknesses may result in deterioration of the repayment prospects for the loan or of the Company’s credit position at some future date. Substandard: Loans classified as substandard are inadequately protected by the current net worth and paying capacity of the obligor or of the collateral pledged, if any. Loans so classified have a well‑defined weakness or weaknesses that jeopardize the liquidation of the debt. They are characterized by the distinct possibility that the Company will sustain some loss if the deficiencies are not corrected. Doubtful: Loans classified as doubtful have all the weaknesses inherent in those classified as substandard, with the added characteristic that the weaknesses make collection or liquidation in full, based on currently existing facts, conditions, and values, highly questionable and improbable. At September 30, 2018 and December 31, 2017, the risk rating of loans by class of loans was as follows: Special September 30, 2018 Pass Mention Substandard Doubtful Total Construction $ 158,972 $ 9,636 $ 9,126 $ — $ 177,734 Residential real estate: Residential first mortgage 2,321,998 — 105 164 2,322,267 Residential second mortgage 19,722 — — — 19,722 Commercial real estate: Retail 8,934 — 1,193 — 10,127 Apartments 63,906 — 1,088 — 64,994 Offices 26,528 — — — 26,528 Hotel 105,470 — — — 105,470 Industrial 14,823 — — — 14,823 Gas stations 988 — — — 988 Other 28,808 — 1,044 — 29,852 Commercial lines of credit: Private banking 24,661 — 178 — 24,839 C&I lending 14,632 3,951 953 — 19,536 Other consumer loans 35 — — — 35 Total $ 2,789,477 $ 13,587 $ 13,687 $ 164 $ 2,816,915 Special December 31, 2017 Pass Mention Substandard Doubtful Total Construction $ 177,241 $ 11,670 $ 3,408 $ — $ 192,319 Residential real estate: Residential first mortgage 2,114,511 — 109 520 2,115,140 Residential second mortgage 17,501 — — — 17,501 Commercial real estate: Retail 9,363 1,167 79 — 10,609 Apartments 58,472 1,110 — — 59,582 Offices 26,571 — — — 26,571 Hotel 103,195 — — — 103,195 Industrial 15,907 — — — 15,907 Gas stations 1,067 — — — 1,067 Other 24,741 4,733 671 — 30,145 Commercial lines of credit: Private banking 22,702 — 196 — 22,898 C&I lending 17,851 — — — 17,851 Other consumer loans 29 — — — 29 Total $ 2,589,151 $ 18,680 $ 4,463 $ 520 $ 2,612,814 The Bank sold pools of residential real estate mortgages for $82.4 million and $148.6 million during the three months ended September 30, 2018 and 2017, respectively, and $352.1 million and $271.7 million during the nine months ended September 30, 2018 and 2017, respectively, to third-party investors. The transactions resulted in full derecognition of the mortgages (i.e. transferred assets) from the condensed consolidated balance sheets and recognition of gain on sale of portfolio loans of $2.9 million and $4.6 million for the three months ended September 30, 2018 and 2017, respectively, and $11.9 million and $9.0 million for the nine months ended September 30, 2018 and 2017, respectively. After the sales, the Bank’s only continuing involvement in the transferred assets is to act as servicer or subservicer of the mortgages.

Mortgage Servicing Rights

Mortgage Servicing Rights	9 Months Ended
	Sep. 30, 2018
Mortgage Servicing Rights
Mortgage Servicing Rights	Note 5—Mortgage Servicing Rights The Bank records servicing assets from the sale of residential real estate mortgage loans to the secondary market for which servicing has been retained. Residential real estate mortgage loans serviced for others are not included in the condensed consolidated balance sheets. The principal balance of these loans at September 30, 2018 and December 31, 2017 are as follows: September 30, December 31, 2018 2017 Residential real estate mortgage loan portfolios serviced for: FNMA $ 82,477 $ 73,039 FHLB 91,372 92,697 Private investors 631,016 442,984 Custodial escrow balances maintained with these serviced loans were $16,566 and $11,944 at September 30, 2018 and December 31, 2017, respectively. Activity for mortgage servicing rights and the related valuation allowance are as follows: Three Months Ended Nine Months Ended September 30, September 30, 2018 2017 2018 2017 Mortgage servicing rights: Beginning of period $ 9,313 $ 5,299 $ 6,706 $ 4,454 Additions 703 1,703 4,290 3,250 Amortization (580) (369) (1,560) (1,071) End of period 9,436 6,633 9,436 6,633 Valuation allowance at beginning of period 18 120 210 40 Additions (recoveries) 7 58 (185) 138 Valuation allowance at end of period 25 178 25 178 Mortgage servicing rights, net $ 9,411 $ 6,455 $ 9,411 $ 6,455 Mortgage servicing assets were $9,411 and $6,496 at September 30, 2018 and December 31, 2017, respectively. Servicing fee income , net of amortization of servicing rights and changes in the valuation allowance, was $291 and $70 for the three months ended September 30, 2018 and 2017, respectively, and $1,001 and $191 for the nine months ended September 30, 2018 and 2017, respectively, and were included in other non-interest income in the condensed consolidated statements of income. The fair value of mortgage servicing rights was $10,929 and $7,086 at September 30, 2018 and December 31, 2017, respectively. The fair value of mortgage servicing rights is highly sensitive to changes in underlying assumptions. Changes in prepayment speed assumptions have the most significant impact on the estimate of the fair value of mortgage servicing rights. The fair value at September 30, 2018 was determined using discount rates ranging from 9.5% to 12.0%, prepayment speeds ranging from 6.8% to 33.4%, depending on the stratification of the specific right, and a weighted average default rate of 0.2%. The fair value at December 31, 2017 was determined using discount rates ranging from 9.5% to 12.0%, prepayment speeds ranging from 6.8% to 36.0%, depending on the stratification of the specific right, and a weighted average default rate of 0.2%.

Deposits

Deposits	9 Months Ended
	Sep. 30, 2018
Deposits
Deposits	Note 6—Deposits Time deposits, included in interest‑bearing deposits, were $795,437 and $663,472 at September 30, 2018 and December 31, 2017, respectively. Time deposits includes brokered deposits of $33,750 and $156,084 at September 30, 2018 and December 31, 2017, respectively. Time deposits that meet or exceed the FDIC insurance limit of $250 were $186,165 and $129,101 at September 30, 2018 and December 31, 2017, respectively.

Federal Home Loan Bank Borrowin

Federal Home Loan Bank Borrowings	9 Months Ended
	Sep. 30, 2018
Federal Home Loan Bank Borrowings
Federal Home Loan Bank Borrowings	Note 7—Federal Home Loan Bank Borrowings Federal Home Loan Bank borrowings at September 30, 2018 and December 31, 2017 consist of the following: September 30, December 31, 2018 Interest Rates 2017 Interest Rates Short-term fixed rate advances $ 138,000 2.24% $ 148,000 1.47% -1.56% Short-term adjustable rate advances 7,000 2.54% * — Total short-term FHLB advances 145,000 148,000 Long-term fixed rate advances 190,000 0.98%-1.18% 190,000 0.98% -1.18% Total FHLB advances $ 335,000 $ 338,000 * At period end. FHLB Advances The short-term fixed rate advances consist of a single advance due within one week. The long-term fixed rate advances have maturity dates ranging from July 2019 to October 2026. Interest on these advances is payable monthly and each advance is payable at its maturity date, and may contain a prepayment penalty if paid before maturity. At September 30, 2018, advances totaling $157,000 were callable by the FHLB as follows: $67,000 in September 2021 and $90,000 in October 2021. At September 30, 2018, the Bank had additional borrowing capacity of $285 million from the FHLB. FHLB Overdraft Line of Credit The Bank has established an overdraft line of credit agreement with the FHLB providing maximum borrowings of $50,000. The average amount outstanding was $4,246 and $13,837 during the nine months ended September 30, 2018 and 2017, respectively. At September 30, 2018 and December 31, 2017, there were no outstanding borrowings under this agreement. Borrowings accrue interest based on a variable rate based on the FHLB’s overnight cost of funds rate, which was 2.54% and 1.67% at September 30, 2018 and December 31, 2017, respectively. The agreement had a one ‑year term and was renewed in October 2018 on substantially the same terms until October 2019. The FHLB advances and the overdraft line of credit are collateralized by pledged loans totaling $964.3 million at September 30, 2018. Other Borrowings The Company had available credit lines with other banks totaling $70 million. There were no amounts outstanding under these credit lines at September 30, 2018 and December 31, 2017.

Subordinated Notes, net

Subordinated Notes, net	9 Months Ended
	Sep. 30, 2018
Subordinated Notes, net
Subordinated Notes, net	Note 8—Subordinated Notes, net The subordinated notes were as follows: September 30, December 31, 2018 2017 7.0% fixed to floating rate subordinated notes $ 65,000 $ 65,000 Unamortized note premium 547 588 Unamortized debt issuance costs (554) (699) Total $ 64,993 $ 64,889 During the period April through September 2016, the Company issued subordinated notes to accredited investors in the aggregate principal amount of $50 million. Issuance costs of $729 were netted against the proceeds. In August 2017, the Company issued an additional $15 million in aggregate principal amount of subordinated notes to accredited investors. The terms of the subordinated note purchase agreements were substantially identical to the subordinated notes that were previously issued in 2016 (collectively, “Notes”), except that the first interest payment on the subordinated notes included accrued interest from April 15, 2017. The Company recorded a premium of $611 and debt issuance costs of $191 upon issuance of the notes. The Notes bear interest at 7% per annum, payable semi‑annually on April 15 and October 15 in arrears, through April 2021 after which the Notes will have a variable interest rate of the three‑month LIBOR rate plus a margin of 5.82%. Premiums and debt issuance costs are amortized over the contractual term of the Notes into interest expense using the effective interest method. Interest expense on these Notes was $1,173 and $1,067 for the three months ended September 30, 2018 and 2017, respectively, and $3,516 and $2,883 for the nine months ended September 30, 2018 and 2017, respectively. The Notes mature in April 2026. On or after April 14, 2021, the Company may redeem the Notes, in whole or in part, at an amount equal to 100% of the outstanding principal amount being redeemed plus accrued interest, in a principal amount with integral multiples of $1. The Notes are not redeemable by the Company prior to April 14, 2021 except in the event of (i) the Notes no longer qualify as Tier 2 Capital, (ii) the interest on the Notes is determined by law to be not deductible for Federal Income Tax reporting or (iii) the Company is considered an investment company pursuant to the Investment Company Act of 1940. The Notes are not subject to redemption by the noteholder. The Notes are unsecured obligations and are subordinated in right of payment to all existing and future indebtedness, deposits and other liabilities of the Company’s current and future subsidiaries, including the Bank’s deposits as well as the Company’s subsidiaries' liabilities to general creditors and liabilities arising during the ordinary course of business. The Notes may be included in Tier 1 capital of the Bank and Tier 2 capital for the Company under current regulatory guidelines and interpretations. As long as the Notes are outstanding, the Company is permitted to pay dividends if prior to such dividends, the Bank is considered well capitalized, as defined in Note 13, Regulatory Capital Requirements.

Stock-based Compensation

Stock-based Compensation	9 Months Ended
	Sep. 30, 2018
Stock-based Compensation
Stock-based Compensation	Note 9—Stock-based Compensation The Board of Directors established a 2017 Omnibus Equity Incentive Plan (“Plan”) which was approved by the shareholders in October 2017. The Plan provides for the grant of up to 4,237,100 shares of common stock for stock options, stock appreciation rights, restricted stock, restricted stock units and other stock-based awards for issuance to employees, consultants and Board of Directors of the Company. The stock-based awards are issued at no less than the market price on the date the awards are granted. Stock Options Stock option awards are granted with an exercise price equal to the market price of the Company’s common stock on the date of grant. The stock option awards generally vest in installments of 50% in each of the third and fourth year after the date of grant and have a maximum term of ten years. The fair value of each stock option award is estimated on the date of grant using the Black-Scholes option pricing model that uses the assumptions noted below. Estimating the grant date fair values for employee stock options requires management to make assumptions regarding expected volatility of the value of those underlying shares, the risk-free rate over the expected life of the stock options and the date on which share-based payments will be settled. Expected volatilities are based on a weighted average of the Company’s historic volatility and an implied volatility for a group of industry-relevant bank holding companies as of the measurement date. The expected term of options granted is calculated using the simplified method (the midpoint between the end of the vesting period and the end of the maximum term). The risk-free rate for the expected term of the option is based upon U.S. Treasury yield curve in effect at the time of grant. Expected dividend yield represents what the Company anticipates will be declared during the expected term of the options. On March 21, 2018, the Board of Directors approved the issuance of options to purchase 92,625 shares of common stock with an exercise price of $13.73 to certain key employees which are accounted for as equity awards. These options to purchase shares of common stock had a weighted average grant-date fair value of $4.56 per option. The grant-date fair value of each stock option award was estimated using the Black-Scholes option pricing model that uses the assumptions set forth in the following table: Exercise price of options $ 13.73 Risk-free interest rate 2.80 % Expected term (in years) 6.75 Expected stock price volatility 23.70 % Dividend yield 0.29 % A summary of the Company’s stock option activity as of and for the nine months ended September 30, 2018 is as follows: Weighted Weighted Average Average Remaining Aggregate Number Exercise Contractual Intrinsic of Options Price Term Value (Years) Outstanding at January 1, 2018 — $ — — $ — Granted 92,625 13.73 Exercised — — Forfeited/expired — — Outstanding at September 30, 2018 92,625 $ 13.73 9.47 $ — The Company recorded share-based compensation expense associated with stock options of $27 and $56 for the three and nine months ended September 30, 2018, respectively. At September 30, 2018, there was $366 of total unrecognized compensation cost related to nonvested stock options granted under the Plan. The cost is expected to be recognized over a weighted-average period of 3.47 years. No options are exercisable at September 30, 2018. Restricted Stock Awards The value of a restricted stock award is based on the market value of the Company’s common stock at the date of grant reduced by the present value of dividends per share expected to be paid during the period the shares are not vested. On March 21, 2018, the Board of Directors approved the issuance of 39,655 restricted stock awards to certain key employees and non-employee directors. The restricted stock awards of 33,100 issued to key employees vest in installments of 50% in each of the third and fourth year after the date of grant. The 6,555 restricted stock awards issued to non-employee directors vest on the first anniversary of the grant date. On July 17, 2018, the Board of Directors approved an additional issuance of 9,320 restricted stock awards to non-employee directors that vest on the first anniversary of the grant date. The weighted average grant-date fair value of the restricted stock awards is $13.55. Upon a change in control, as defined in the Plan, the outstanding restricted stock awards will immediately vest. The fair value of the award is recorded as compensation expense on a straight-line basis over the vesting period. The Company recorded share-based compensation expense associated with restricted stock awards of $76 and $132 for the three and nine months ended September 30, 2018, respectively. At September 30, 2018, there was $531 of total unrecognized compensation cost related to the nonvested stock granted under the Plan. The cost is expected to be recognized over a weighted-average period of 2.73 years.

Income Per Share

Income Per Share	9 Months Ended
	Sep. 30, 2018
Income Per Share
Income Per Share	Note 10— Income Per Share Basic income per common share is computed by dividing net income by the weighted average number of common shares outstanding during the period. Diluted income per common share further includes any common shares available to be issued upon the exercise of outstanding stock options and restricted stock awards if such inclusions would be dilutive. The Company determines the potentially dilutive common shares using the treasury stock method. The following table presents the computation of income per share, basic and diluted: Three Months Ended Nine Months Ended September 30, September 30, 2018 2017 2018 2017 Numerator: Net income $ 15,741 $ 12,092 $ 47,472 $ 31,446 Denominator: Weighted average common shares outstanding, basic 52,963,308 45,271,000 52,963,308 45,271,000 Weighted average effect of potentially dilutive common shares: Stock options — — — — Restricted stock 3,285 — 1,781 — Weighted average common shares outstanding, diluted 52,966,593 45,271,000 52,965,089 45,271,000 Income per share: Basic $ 0.30 $ 0.27 $ 0.90 $ 0.69 Diluted $ 0.30 $ 0.27 $ 0.90 $ 0.69 The effect of 92,625 options to purchase shares of common stock were excluded in computing diluted income per common share for the three and nine months ended September 30, 2018, as the inclusion would be antidilutive. In September 2017, the Board of Directors approved a 1,000 for one stock split to be effected as a stock dividend on the Company’s common stock. The stock split was effected on September 11, 2017. All share and per share amounts have been retroactively adjusted to reflect the stock split for the three and nine months ended September 30, 2017.

Fair Values of Financial Instru

Fair Values of Financial Instruments	9 Months Ended
	Sep. 30, 2018
Fair Values of Financial Instruments
Fair Values of Financial Instruments	Note 11—Fair Values of Financial Instruments The Company's financial instruments include assets carried at fair value, as well as certain assets and liabilities carried at cost or amortized cost but disclosed at fair value in these condensed consolidated financial statements. Fair value is defined as the exit price, the price that would be received for an asset or paid to transfer a liability in the principal most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date under current market conditions. The inputs to valuation techniques used to measure fair value are prioritized into a three-level hierarchy. The hierarchy gives the highest priority to quoted prices in active markets for identical assets and liabilities and the lowest priority to unobservable inputs. The fair value hierarchy is as follows: Level 1: Quoted prices (unadjusted) for identical assets or liabilities in active markets that the entity has the ability to access as of the measurement date. Level 2: Significant other observable inputs other than Level 1 prices such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data. Level 3: Significant unobservable inputs that reflect a reporting entity’s own assumptions about the assumptions that market participants would use in pricing an asset or liability. The Company used the following methods and significant assumptions to estimate the fair value of investment securities and impaired loans: Investment Securities The fair values for investment securities are determined by quoted market prices, if available (Level 1). For securities where quoted prices are not available, fair values are calculated based on market prices of similar investment securities (Level 2). For investment securities where quoted prices or market prices of similar investment securities are not available, fair values are calculated using discounted cash flows or other market indicators (Level 3). Discounted cash flows are calculated using spread to LIBOR curves that are updated to incorporate loss severities, volatility, credit spread and optionality. During times when trading is more liquid, broker quotes are used (if available) to validate the model. Rating agency and industry research reports as well as defaults and deferrals on individual investment securities are reviewed and incorporated into the calculations. Impaired Loans The fair value of collateral dependent impaired loans with specific allocations of the allowance for loan losses is generally based on recent real estate appraisals. These appraisals may utilize a single valuation approach, such as comparable sales or income approach, or a combination of both. Adjustments are routinely made in the appraisal process by the appraisers to adjust for differences between the comparable sales and income data available. Such adjustments are usually significant and typically result in a Level 3 classification of the inputs for determining fair value. Assets Measured at Fair Value on a Recurring Basis The table below presents the assets measured at fair value on a recurring basis categorized by the level of inputs used in the valuation of each asset at September 30, 2018 and December 31, 2017: Fair Value Measurements at September 30, 2018 Quoted Prices in Active Significant Markets for Other Significant Identical Observable Unobservable Assets Inputs Inputs Total (Level 1) (Level 2) (Level 3) Financial Assets Available for sale debt securities: U.S. Treasury securities $ 136,646 $ 136,646 $ — $ — Collateralized mortgage obligations 1,697 — 1,697 — Collateralized debt obligations 303 — — 303 Equity securities 3,857 3,857 — — Fair Value Measurements at December 31, 2017 Quoted Prices in Active Significant Markets for Other Significant Identical Observable Unobservable Assets Inputs Inputs Total (Level 1) (Level 2) (Level 3) Financial Assets Available for sale debt securities: U.S. Treasury securities $ 120,042 $ 120,042 $ — $ — Collateralized mortgage obligations 2,008 — 2,008 — Collateralized debt obligations 571 — — 571 Equity securities 4,227 3,981 — 246 * * The Company has elected to account for its investment in a thinly traded, restricted stock with a carrying value of $246 using the measurement alternative for equity securities without a readily determinable fair value therefore, the investment is excluded from the fair value measurement disclosures at September 30, 2018. There were no transfers between Level 1 and Level 2 during the nine month periods ending September 30, 2018 or 2017. The table below presents a reconciliation for all assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3) at September 30, 2018 and December 31, 2017: Fair Value Measurements Using Significant Unobservable Inputs (Level 3) Investment Securities September 30, 2018 December 31, 2017 Collateralized Collateralized Debt Equity Debt Equity Obligations Securities Obligations Securities Balance of recurring Level 3 assets at January 1 $ 571 $ — $ 585 $ 529 Total gains or losses (realized/unrealized): Included in income-realized — — — — Included in other comprehensive income (loss) 28 — (10) — Principal maturities/settlements (296) — (4) (283) Sales — — — — Transfers in and/or out of Level 3 — — — — Balance of recurring Level 3 assets at end of period $ 303 $ — $ 571 $ 246 Unrealized losses on Level 3 investments for collateralized debt obligations was $6 at September 30, 2018. In addition to the amounts included in income for the nine months ended September 30, 2018 as presented in the table above, the Company also recorded interest income on collateralized debt obligations of $13. Unrealized losses on Level 3 investments for collateralized debt obligations and equity securities at December 31, 2017 were $35 and $0, respectively. In addition to the amounts included in income for the year ended December 31, 2017 as presented in the table above, the Company also recorded interest income on collateralized debt obligations of $21 and dividend income on equity securities of $15. The fair value of collateralized debt obligations is determined by calculating discounted cash flows using LIBOR curves plus spreads that adjust for loss severities, volatility, credit risk and optionality. When available, broker quotes are used to validate the internal model. Rating agency and industry research reports as well as assumptions about specific-issuer defaults and deferrals are reviewed and incorporated into the calculations. Assumptions are reviewed on a quarterly basis as specific-issuer deferral and defaults that occurred are compared to those that were projected and ongoing assumptions are adjusted in accordance with the level of unexpected deferrals and defaults that occurred. The following table presents quantitative information about recurring Level 3 fair value measurements at September 30, 2018 and December 31, 2017: Valuation Fair Value Technique Unobservable Inputs September 30, 2018 Collateralized debt obligations $ 303 Discounted cash flow Collateral default rate 0 % Recovery probability 0 % December 31, 2017 Collateralized debt obligations $ 571 Discounted cash flow Collateral default rate 0 % Recovery probability 15 % The significant unobservable inputs used on the fair value measurement of the Company’s collateralized debt obligations are probabilities of specific-issuer defaults and specific-issuer recovery assumptions. Significant increases in specific-issuer default assumptions or decreases in specific-issuer recovery assumptions would result in a significantly lower fair value measurement. Conversely, decreases in specific-issuer default assumptions or increases in specific-issuer recovery assumptions would result in a significantly higher fair value measurement. Assets Measured at Fair Value on a Non‑Recurring Basis From time to time, the Bank may be required to measure certain other assets at fair value on a nonrecurring basis in accordance with U.S. GAAP. These adjustments to fair value usually result from the application of lower of cost or fair value accounting or write‑downs of individual assets. For assets measured at fair value on a nonrecurring basis which were still held in the condensed consolidated balance sheet at September 30, 2018, the following table provides the level of valuation assumptions used to determine each adjustment and the related carrying value: Fair Value Measurements at September 30, 2018 Quoted Prices in Active Significant Markets for Other Significant Idential Observable Unobservable Carrying Assets Inputs Inputs Value (Level 1) (Level 2) (Level 3) Impaired loans, construction $ 2,583 $ — $ — $ 2,583 At September 30, 2018, impaired loans had a loan amount of $2,761 with a valuation allowance of $178, resulting in a decrease to the provision for loan losses of $(27) for the three months ended September 30, 2018 and an increase to provision for loan losses of $178 for the nine months ended September 30, 2018. As discussed previously, the fair values of collateral dependent impaired loans carried at fair value are determined by third-party appraisals. Management adjusts these appraised values based on the age of the appraisal and the type of the property. The following table presents quantitative information about Level 3 fair value measurements for the financial instruments measured at fair value on a nonrecurring basis at September 30, 2018: Fair Value Valuation Technique Unobservable Inputs Impaired loans, construction $ 2,583 Sales comparison approach Management discount for property type and recent market volatility 10 % Fair Value of Financial Instruments With the adoption of ASU No. 2016-01, as discussed in Note 3, the Company is required to calculate fair value of its financial instruments for disclosure purposes based on an exit price notion. The Company is not required to revise its prior-period disclosures of fair value for those financial instruments that may have been calculated using the entry price notion, which was acceptable prior to January 1, 2018. Therefore, the prior-period fair values disclosed may not be determined in a manner consistent with the current-period fair values disclosed because of a change in methodology. The carrying amounts and estimated fair values of financial instruments not carried at fair value at September 30, 2018 and December 31, 2017, are as follows: Fair Value Measurements at September 30, 2018 Carrying Fair Amount Value Level 1 Level 2 Level 3 Financial Assets Cash and due from banks $ 48,879 $ 48,879 $ 48,879 $ — $ — Mortgage loans held for sale 113,805 116,839 — 116,839 — Loans, net 2,793,567 2,878,717 — — 2,878,717 Financial Liabilities Time deposits 795,437 794,186 — 794,186 — Federal Home Loan Bank borrowings 335,000 324,185 — 324,185 — Subordinated notes, net 64,993 66,625 — 66,625 — Fair Value Measurements at December 31, 2017 Carrying Fair Amount Value Level 1 Level 2 Level 3 Financial Assets Cash and due from banks $ 40,147 $ 40,147 $ 40,147 $ — $ — Mortgage loans held for sale 112,866 115,619 — 115,619 — Loans, net 2,594,357 2,635,986 — — 2,635,986 Financial Liabilities Time deposits 663,472 660,380 — 660,380 — Federal Home Loan Bank borrowings 338,000 330,004 — 330,004 — Subordinated notes, net 64,889 67,485 — 67,485 —

Income Taxes

Income Taxes	9 Months Ended
	Sep. 30, 2018
Income Taxes
Income Taxes	Note 12—Income Taxes The Tax Cut and Jobs Act (the "Tax Act") enacted in December 2017 reduced the federal corporate income tax rate from 35% to 21%, effective January 1, 2018. Due to the change in tax rate, the Company was required to remeasure its deferred tax assets and liabilities, including the deferred tax balance attributable to items of pretax comprehensive income (loss), based on the rates at which they are expected to reverse in the future. The effect of the Tax Act of $3.3 million was recorded in deferred income tax expense in the fourth quarter and year ended December 31, 2017 which related entirely to the remeasurement of the net deferred tax asset. The Company has implemented the new corporate tax rate as of January 1, 2018. The reconciliation of the U.S. federal statutory tax rate to the Company's effective tax rate is as follows: Three Months Ended Nine Months Ended September 30, September 30, 2018 2017 2018 2017 U.S. federal statutory rate 21.0 % 35.0 % 21.0 % 35.0 % Effect of: State taxes, net of federal benefit 7.8 % 6.1 % 7.8 % 6.0 % Loss incurred by pass-through entity — — — 0.2 % Income on cash surrender value of bank-owned life insurance (0.2) % (0.3) % (0.2) % (0.3) % Effective tax rate 28.6 % 40.8 % 28.6 % 40.9 %

Regulatory Capital Requirements

Regulatory Capital Requirements	9 Months Ended
	Sep. 30, 2018
Regulatory Capital Requirements
Regulatory Capital Requirements	Note 13—Regulatory Capital Requirements The Bank is subject to the capital adequacy requirements of the OCC. The Company, as a thrift holding company, is subject to the capital adequacy requirements of the Federal Reserve. Capital adequacy guidelines and prompt corrective action regulations involve quantitative measures of assets, liabilities, and certain off‑balance sheet items calculated under regulatory accounting practices. Capital amounts and classifications are also subject to qualitative judgments by regulators about components, risk weightings, and other factors, and the regulators can lower classifications in certain cases. Prompt corrective action provisions are not applicable to thrift holding companies. Failure to meet minimum capital requirements can initiate regulatory action that could have a direct material effect on the consolidated financial statements. The final rules implementing Basel III became effective on January 1, 2015 with full compliance with all requirements being phased in over a multi‑year schedule, and fully phased in by January 1, 2019. Under the Basel III rules, the Company must hold a capital conservation buffer over the adequately capitalized risk‑based capital ratios. The capital conservation buffer is being phased in from 0.0% for 2015 to 2.50% by 2019. The capital conservation buffer is 1.875% for 2018. The net unrealized gain or loss on investment securities is not included in regulatory capital. Management believes that as of September 30, 2018, the Company and the Bank meet all regulatory capital requirements to which they are subject. Management also expects that the Company and the Bank will be fully compliant with all requirements being phased in by January 1, 2019. Prompt corrective action regulations provide five classifications, including well capitalized, adequately capitalized, undercapitalized, significantly undercapitalized, and critically undercapitalized, although these terms are not used to represent overall financial condition. The minimum requirements, excluding significantly undercapitalized and critically undercapitalized categories, are as follows: Capital Tier 1 Weighted Capital to Common Assets Average Tier 1 Total Tier 1 Assets (CET1) Well Capitalized 10.0 % 8.0 % 5.0 % 6.5 % Adequately Capitalized 8.0 % 6.0 % 4.0 % 4.5 % Undercapitalized 6.0 % 4.0 % 3.0 % 3.0 % At September 30, 2018, the most recent regulatory notifications categorized the Bank as well capitalized. There have been no conditions or events since these notifications that management believes would have changed the Bank’s category. At September 30, 2018 and December 31, 2017, the Bank exceeded all capital requirements to be categorized as well capitalized and the Company exceeded the capital adequacy requirements as presented below. The Company and the Bank’s actual and minimum required capital amounts and ratios, with such regulatory minimums not including the capital conservation buffer, at September 30, 2018 and December 31, 2017 are as follows: For Capital To be Well Actual Adequacy Purposes Capitalized Amount Ratio Amount Ratio Amount Ratio September 30, 2018 Total adjusted capital to risk-weighted assets Consolidated $ 404,686 21.00 % $ 154,130 8.00 % N/A N/A Bank 308,063 15.99 154,128 8.00 $ 192,660 10.00 % Tier 1 (core) capital to risk-weighted assets Consolidated 318,927 16.55 115,598 6.00 N/A N/A Bank 287,298 14.91 115,596 6.00 154,128 8.00 Common Tier 1 (CET1) Consolidated 318,927 16.55 86,698 4.50 N/A N/A Bank 287,298 14.91 86,697 4.50 125,229 6.50 Tier 1 (core) capital to adjusted tangible assets Consolidated 318,927 10.04 127,081 4.00 N/A N/A Bank 287,298 9.04 127,080 4.00 158,850 5.00 For Capital To be Well Actual Adequacy Purposes Capitalized Amount Ratio Amount Ratio Amount Ratio December 31, 2017 Total adjusted capital to risk-weighted assets Consolidated $ 365,078 20.28 % $ 140,447 8.00 % N/A N/A Bank 259,165 14.76 140,447 8.00 $ 175,559 10.00 % Tier 1 (core) capital to risk-weighted assets Consolidated 272,732 15.53 105,336 6.00 N/A N/A Bank 240,708 13.71 105,336 6.00 140,447 8.00 Common Tier 1 (CET1) Consolidated 272,732 15.53 79,002 4.50 N/A N/A Bank 240,708 13.71 79,002 4.50 114,114 6.50 Tier 1 (core) capital to adjusted tangible assets Consolidated 272,732 9.83 110,949 4.00 N/A N/A Bank 240,708 8.68 110,949 4.00 138,687 5.00 Dividend Restrictions As noted above, banking regulations require the Bank to maintain certain capital levels and may limit the dividends paid by the bank to the holding company or by the holding company to its shareholders. The Company’s principal source of funds for dividend payments is dividends received from the Bank and banking regulations limit the dividends that may be paid. Also, pursuant to the terms of the subordinated note agreements, the Company may pay dividends if it is “well capitalized” as defined by regulatory guidelines. At September 30, 2018, $160 million of consolidated retained earnings were available to pay dividends to the Company’s shareholders. The Qualified Thrift Lender (“QTL”) test requires that a minimum of 65% of assets be maintained in housing‑related finance and other specified areas. If the QTL test is not met, limits are placed on growth, branching, new investments, FHLB Advances and dividends, or the Bank must convert to a commercial bank charter. Management believes that the QTL test has been met.

Related Party Transactions

Related Party Transactions	9 Months Ended
	Sep. 30, 2018
Related Party Transactions
Related Party Transactions	Note 14—Related Party Transactions As disclosed in Note 1, the Company purchased an entity owned 80% by its principal shareholder and 20% by a member of the Board of Directors of the Company and Bank. At the time of the purchase in April 2017, the Director was and will continue as the Chief Executive Officer (“CEO”) of the purchased entity. For the nine months ended September 30, 2017, the consolidated statements of income include compensation‑related expenses of $125 for the Director’s services as CEO of this purchased entity. From time to time, the Company makes charitable contributions to a foundation which certain members of the Board of Directors of the Company and Bank, and whom are also related to the Company’s principal shareholders, serve as trustees of the foundation. The Company paid $225 to the foundation during the three months ended September 30, 2018 and 2017, and $675 during the nine months ended September 30, 2018 and 2017. The Bank leases certain storage and office space from entities owned by the Company’s principal shareholders. Amounts paid under such leases totaled $15 and $16 during the three months ended September 30, 2018 and 2017, respectively, and $49 and $35 during the nine months ended September 30, 2018 and 2017, respectively. The Bank provides monthly data processing and programming services to entities controlled by the Company’s principal shareholders. Aggregate fees received amounted to $33 and $27 during the three months ended September 30, 2018 and 2017, respectively, and $87 and $75 during the nine months ended September 30, 2018 and 2017, respectively.

Commitments and Contingencies

Commitments and Contingencies	9 Months Ended
	Sep. 30, 2018
Commitments and Contingencies
Commitments and Contingencies	Note 15—Commitments and Contingencies Legal Proceedings The Company and its subsidiaries may be subject to legal actions and claims arising from contracts or other matters from time to time in the ordinary course of business. Management is not aware of any pending or threatened litigation where the ultimate disposition or resolution could have a material adverse effect on its financial position, results of operations or liquidity. Lease Commitments The Company leases its corporate headquarters and branch offices through noncancelable operating leases with terms that range from years 2019 to 2029, with renewal options thereafter. Rent expense was $1,080 and $903 for the three months ended September 30, 2018 and 2017, respectively, and $2,949 and $2,603 for the nine months ended September 30, 2018 and 2017, respectively. Financial Instruments with Off-Balance Sheet Risk The Bank is a party to financial instruments with off-balance risk in the normal course of business to meet the financial needs of its customers. These financial instruments include commitments to extend credit and standby letters of credit which are not reflected in the consolidated financial statements. Unfunded Commitments to Extend Credit A commitment to extend credit, such as a loan commitment, credit line and overdraft protection, is a legally binding agreement to lend funds to a customer, usually at a stated interest rate and for a specific purpose. Such commitments have fixed expiration dates and generally require a fee. The extension of a commitment gives rise to credit risk. The actual liquidity requirements or credit risk that the Bank will experience is expected to be lower than the contractual amount of commitments to extend credit because a significant portion of those commitments are expected to expire without being drawn upon. Certain commitments are subject to loan agreements containing covenants regarding the financial performance of the customer that must be met before the Bank is required to fund the commitment. The Bank uses the same credit policies in making commitments to extend credit as it does in making loans. The commitments outstanding to make loans include primarily residential real estate loans that are made for a period of 90 days or less. At September 30, 2018, outstanding commitments to make loans consisted of fixed rate loans of $15,042 with interest rates ranging from 4.00% to 7.50% and maturities ranging from 10 years to 30 years and variable rate loans of $276,746 with varying interest rates (ranging from 3.875% to 7.625% at September 30, 2018) and maturities ranging from 1 to 30 years. Standby Letters of Credit Standby letters of credit are issued on behalf of customers in connection with construction contracts between the customers and third parties. Under standby letters of credit, the Bank assures that the third parties will receive specified funds if customers fail to meet their contractual obligations. The credit risk to the Bank arises from its obligation to make payment in the event of a customer’s contractual default. The maximum amount of potential future payments guaranteed by the Bank is limited to the contractual amount of these letters. Collateral may be obtained at exercise of the commitment. The credit risk involved in issuing letters of credit is essentially the same as that involved in extending loans to customers. The following is a summary of the total amount of unfunded commitments to extend credit and standby letters of credit outstanding at September 30, 2018 and December 31, 2017: September 30, December 31, 2018 2017 Commitments to make loans $ 291,788 $ 268,401 Unused lines of credit 170,380 157,234 Standby letters of credit 70 70

Subsequent Events

Subsequent Events	9 Months Ended
	Sep. 30, 2018
Subsequent Events
Subsequent Events	Note 16—Subsequent Events Sale of Mortgage Loans In September 2018, the Company committed to sell a portfolio of residential real estate loans to third-party investors. In November 2018, the Company received net proceeds of $43.5 million and recorded a gain of $1.6 million on the sale of residential real estate loans. Servicing of the loan portfolio sold was retained by the Company.

Summary of Significant Accoun_2

Summary of Significant Accounting Policies (Policies)	9 Months Ended
	Sep. 30, 2018
Summary of Significant Accounting Policies
Principles of Consolidation	Principles of Consolidation The accompanying consolidated financial statements have been prepared in conformity with U.S. GAAP. The consolidated financial statements include the results of the Company and its wholly-owned subsidiary, and an entity under common control that was merged with the Company in April 2017 (Note 1). All significant intercompany accounts and transactions have been eliminated in the consolidation.
Use of Estimates	Use of Estimates The preparation of the consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.
Fair Value Measurements	Fair Value Measurements The Bank utilizes fair value measurements to record fair value adjustments to certain assets and liabilities and to determine fair value disclosures. The determination of fair values of financial instruments often requires the use of estimates. In cases where quoted market values in an active market are not readily available, the Bank uses present value techniques and other valuation methods, as disclosed in Note 11, to estimate the fair value of its financial instruments. These valuation methods require considerable judgment and the resulting estimates of fair value can be significantly affected by the assumptions made and methods used. Investment securities available for sale are recorded at fair value on a recurring basis. Additionally, from time to time, the Bank may be required to record other assets and liabilities at fair value on a nonrecurring basis, such as impaired loans, other real estate owned, nonmarketable equity securities and certain other assets and liabilities. These nonrecurring fair value adjustments generally involve write-downs of individual assets or application of lower of amortized cost or fair value accounting.
Concentration of Credit Risk	Concentration of Credit Risk The Company's loan portfolio consists primarily of residential real estate loans which are collateralized by real estate. At September 30, 2018 and December 31, 2017, residential real estate loans accounted for 83% and 82%, respectively, of the loan portfolio. In addition, most of these residential loans and other commercial loans have been made to individuals and businesses in the state of California which are dependent on the area economy for their livelihoods and servicing of their loan obligation. At September 30, 2018 and December 31, 2017, approximately 95% of the loan portfolio was originated in California.
Investment Securities	Investment Securities Investment securities includes available for sale debt securities and equity securities. Debt Securities Debt securities are classified as either available for sale or held to maturity. Management determines the classification of the debt securities when they are purchased. Debt securities available for sale are stated at fair value, with unrealized gains and losses excluded from income and shown as a separate component of shareholders' equity in accumulated other comprehensive income, net of tax. Held to maturity securities are carried at amortized cost when management has the positive intent and ability to hold them to maturity. The amortized cost of debt securities classified as held to maturity or available for sale is adjusted for amortization of premiums and accretion of discounts over the contractual life of the investment security using the effective interest method or, in the case of mortgage-backed securities, over the estimated life of the investment security using the effective yield method. Interest income includes amortization or accretion of purchase premium or discount. Gains and losses on sales are recorded on the settlement date and determined using the specific identification method. Management evaluates debt securities for other-than-temporary impairment at least on a quarterly basis and more frequently when economic or market conditions warrant such an evaluation. In determining other-than-temporary impairment for debt securities, management considers many factors, including: (1) the length of time and the extent to which the fair value has been less than cost, (2) the financial condition and near-term prospects of the issuer, (3) whether the market decline was affected by macroeconomic conditions, and (4) whether the Company has the intent to sell the debt security or more likely than not will be required to sell the debt security before its anticipated recovery. The assessment of whether a decline is other-than-temporary involves a high degree of subjectivity and judgment and is based on the information available to management at a point in time. A charge is recognized against income for all or a portion of the impairment if the loss is determined to be other than temporary. If the Bank intends to sell the debt security or it is more likely than not that the Bank will be required to sell the debt security prior to the recovery of its amortized cost basis, the debt security is written down to fair value, and the full amount of any impairment charge is recorded as a loss in the condensed consolidated statements of income. If the Bank does not intend to sell the debt security and it is more likely than not that the Bank will not be required to sell the debt security prior to recovery of its amortized cost basis, only the current period credit loss of any impairment of a debt security is recognized in the condensed consolidated statements of income, with the remaining impairment recorded in other comprehensive income. Equity Securities Beginning January 1, 2018, equity securities with readily determinable fair values are stated at fair value with unrealized and realized gains and losses reported in income. Those equity securities without readily determinable fair values are recorded at cost, less any impairments, adjusted for subsequent observable price changes in orderly transactions for an identical or similar investment of the same issuer. Any changes in the carrying value of the equity investments are recognized in income. Refer to Note 3, Investment Securities. For periods prior to January 1, 2018, equity securities were classified as available for sale and stated at fair value with unrealized gains and losses reported as a separate component of accumulated other comprehensive income, net of tax. The Company performs a qualitative assessment each reporting period to identify impairment of equity securities without readily determinable fair values. When a qualitative assessment indicates that an impairment exists, the Company determines the fair value of the investment and if the fair value is less than the investment's carrying value, an impairment loss is recorded equal to the difference between the fair value and the carrying amount of the investment in income.
Federal Home Loan Bank Stock	Federal Home Loan Bank Stock The Bank is a member of the FHLB system. Members are required to own a certain amount of stock based on the level of borrowings and other factors, and may invest additional amounts. The FHLB stock is carried at cost, classified as a restricted security, and periodically evaluated for impairment based on ultimate recovery of par value. The FHLB stock does not have a readily determinable fair value and no quoted market value as the ownership is restricted to member institutions. Also, the FHLB stock is pledged as collateral on FHLB borrowings. Cash and stock dividends are reported as income in interest and dividends on investment securities in the condensed consolidated statements of income. Cash dividends received amounted $257 and $194 for the three months ended September 30, 2018 and 2017, respectively, and $888 and $583 for the nine months ended September 30, 2018 and 2017, respectively.
Revenue from Contracts with Customers	Revenue from Contracts with Customers On January 1, 2018, the Company adopted Accounting Standards Update (“ASU”) 2014-09, Revenue from Contracts with Customers and all subsequent amendments to the ASU (collectively, “ASC 606”), which establishes principles for reporting information about the nature, amount, timing and uncertainty of revenue and cash flows arising from an entity’s contracts to provide goods or services to its customers. The core principle of ASC 606 requires an entity to recognize revenue to depict the transfer of goods or services to customers in an amount that reflects the consideration that it expects to be entitled to receive in exchange for those goods or services recognized as performance obligations are satisfied. The Company adopted ASC 606 using the modified retrospective method applied to all contracts not completed as of the adoption date. The adoption of ASC 606 did not result in a change in the accounting for any of the in-scope revenue streams; as such no cumulative effect adjustment was recorded at adoption. The majority of the Company’s revenues are from interest income and other sources, including loans and investment securities, as well as fees related to mortgage servicing activities, that are not within the scope of ASC 606 and are instead subject to other accounting guidance. The Company’s services that are within the scope of ASC 606 are recorded within non-interest income which includes investment management and advisory fees, service charges on deposit accounts, interchange income and other service charges and fees. Descriptions of these activities that are within the scope of ASC 606, which are presented in the condensed consolidated statements of income as components of non-interest income, are as follows: Service charges on deposit accounts: The Bank earns fees from its deposit customers for transaction-based, account maintenance and overdraft services. Transaction-based fees, which include services such as ATM use fees, stop payment charges, statement rendering, and ACH fees, are recognized at the time the transaction is executed as that is the point in time the Bank fulfills the customer’s request. Account maintenance fees, which relate primarily to monthly maintenance, are earned over the course of a month, representing the period over which the Bank satisfies the performance obligations. Overdraft fees are recognized at the point in time that the overdraft occurs. Service charges on deposit accounts are withdrawn from the customer’s account balance. Investment management and advisory fees: The Bank enters into contracts with certain customers to provide asset management services that will continue indefinitely unless terminated in writing by either party to the contract. The Bank receives a quarterly management fee, payable in advance, based on the customer’s assets held under management at the beginning of the period. These fees are earned over time as the Bank provides the contracted services and are assessed based on a tiered rate applied to the market value of assets held under management. The Bank does not earn performance-based incentives. Interchange fees: The Bank earns interchange fees from debit cardholder transactions conducted through the MasterCard payment network. Interchange fees from cardholder transactions represent a percentage of the underlying transaction value and are recognized daily, concurrently with the transaction processing services provided to the cardholder. Such interchange activity is shown on a net basis through non-interest income -- other income. Other service charges and fees: Other charges and fees includes revenue generated from wire transfers, lockboxes, and bank issuance of checks. Such fees are recognized at the point in time the customer requests the service and the service has been rendered. The following table presents the Company’s sources of non-interest income for the three and nine months ended September 30, 2018 and 2017 that are within the scope of ASC 606: Three Months Ended Nine Months Ended September 30, September 30, 2018 2017 2018 2017 Non-Interest Income: Service charges on deposit accounts* $ 60 $ 46 $ 164 $ 126 Investment management and advisory fees 445 595 1,568 1,736 Interchange fees* 28 32 80 88 Other service charges and fees* 15 10 35 22 Not within the scope of ASC 606 3,685 4,821 14,176 10,288 Total non-interest income $ 4,233 $ 5,504 $ 16,023 $ 12,260 * Included in service charges and fees, and other income in the condensed consolidated statements of income Contract Balances The Bank’s noninterest revenue streams are largely based on transactional activity or month-end revenue accruals such as investment management and advisory fees based on the customer’s assets held under management at the beginning of the period. Consideration is often received immediately or shortly thereafter, and the Bank satisfies its performance obligation and recognizes revenue over time. At September 30, 2018 and December 31, 2017, the Bank had a contract asset balance of $34 and $91, respectively, which was recorded in other assets in the condensed consolidated balance sheets.
Stock-based compensation	Stock-based compensation Compensation cost is recognized for stock options and restricted stock awards issued to employees and non-employee members of the Company’s Board of Directors, based on the fair value of these awards at the date of grant. The fair value of stock options is estimated using a Black-Scholes option pricing model and the fair value of restricted stock awards is based on the market price of the Company’s common stock at the date of grant reduced by the present value of dividends per share expected to be paid during the period the shares are not vested. Compensation cost is recorded over the required service period, generally defined as the vesting period. For awards with graded vesting, compensation cost is recorded on a straight-line basis over the requisite service period of the entire award. The Company’s accounting policy is to record forfeitures in the period that they occur.
Income per Share, Basic and Diluted	Income per Share, Basic and Diluted Basic income per share represents net income divided by the weighted average number of common shares outstanding during the period. Diluted income per share represents net income divided by the weighted average number of common shares outstanding during the period, plus the effect of outstanding potentially dilutive common shares.
Recently Issued Accounting Guidance	Recently Issued Accounting Guidance In August 2018, the Financial Accounting Standards Board (FASB) issued ASU No. 2018-13, Fair Value Measurement (Topic 820): Disclosure Framework-Changes to the Disclosure Requirements for Fair Value Measurement , which modifies the disclosure requirements for fair value measurements as follows: (1) removes the requirement to disclose the amount of and reasons for transfers between Level 1 and Level 2 of the fair value hierarchy, and the reporting entity's policy for timing of transfers between levels; (2) removes the requirement to disclose the valuation processes for Level 3 fair value measurements; (3) clarifies that the measurement uncertainty disclosure for recurring Level 3 fair value measurements is to communicate information about the uncertainty in measurement as of the reporting date; (4) requires disclosure of the changes in unrealized gains and losses for the period included in other comprehensive income for recurring Level 3 fair value measurements held at the end of the reporting period; and (5) requires disclosure of the range and weighted average of significant unobservable inputs used to develop Level 3 fair value measurements. ASU No. 2018-13 is effective for fiscal years, and interim periods within those years, beginning after December 15, 2019. An entity is permitted to early adopt the provisions that remove or modify disclosures upon issuance of this ASU and delay adoption of the additional disclosures until the effective date. The Company is currently evaluating this ASU and does not expect the adoption of the ASU to have a significant impact on its current fair value measurement disclosures. In June 2016, the Financial Accounting Standards Board (FASB) issued ASU No. 2016‑13, Financial Instruments—Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments , which is intended to improve financial reporting by requiring recording of credit losses on loans and other financial instruments on a more timely basis. The guidance will replace the current incurred loss accounting model with an expected loss approach and requires the measurement of all expected credit losses for financial assets held at the reporting date based on historical experience, current conditions, and reasonable and supportable forecasts. The guidance requires enhanced disclosures to help investors and other financial statement users better understand significant estimates and judgments used in estimating credit losses, as well as the credit quality and underwriting standards of an organization’s portfolio. ASU No. 2016‑13 is effective for annual periods and interim periods within those annual periods, beginning after December 15, 2019. The Company has formed a cross-functional implementation team consisting of individuals from credit, finance and information systems. A project plan has been developed and the implementation team is working on identifying and researching key interpretive issues and is in the process of reviewing existing credit models to identify areas where new impairment models may be required. The Company expects to recognize a cumulative effect adjustment to the opening balance of retained earnings as of the beginning of the first reporting period in which ASU No. 2016‑13 is effective. The Company has not yet determined the magnitude of any such one‑time adjustment or the overall impact of ASU No. 2016‑13 on its consolidated financial statements. In February 2016, the FASB issued ASU No. 2016-02, Leases (Topic 842) which require lessees to recognize the following for all leases, except for short-term leases, at the commencement date: (1) a lease liability which is a lessee’s obligation to make lease payments arising from a lease, measured on a discounted basis; 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 is largely unchanged. In July 2018, the FASB issued ASU 2018-10, Codification Improvements to Topic 842, Leases , which provides corrections or clarification on narrow aspects of Topic 842. Also, in July 2018, the FASB issued ASU 2018-11, Leases (Topic 842): Targeted Improvements , which provides entities with another transition method for adopting the new leasing guidance. As originally issued, ASC 842 requires entities to use a modified retrospective transition approach to apply the new guidance as of the beginning of the earliest period presented in the financial statements in the period adopted. The optional transition method allows entities to apply the new guidance at the adoption date by recording a cumulative-effect adjustment to the opening balance of retained earnings, and not to restate the comparative periods presented.ASU No. 2016-02 will also require expanded disclosures. ASU No. 2016-02 is effective for annual periods and interim periods within those annual periods beginning after December 15, 2018. The Company is continuing to assess the impact of ASU No. 2016-02 on its financial condition and results of operations. Although, the Company plans to use the optional transition method and record a cumulative-effect adjustment to the opening balance of retained earnings on January 1, 2019. In addition, the Company expects to elect to apply the package of practical expedients upon transition, which includes no reassessment of whether existing contracts are or contain leases as well as no reassessment of lease classification for existing leases. Also, any initial direct costs for any leases that exist prior to adoption will be retained. The Company will record a right-of-use asset and a lease liability on its consolidated balance sheet for the leases of its facilities in place upon adoption and expects this ASU will not significantly impact its operating results.

Summary of Significant Accoun_3

Summary of Significant Accounting Policies (Tables)	9 Months Ended
	Sep. 30, 2018
Summary of Significant Accounting Policies
Schedule of non-interest income within the scope of ASC 606	Three Months Ended Nine Months Ended September 30, September 30, 2018 2017 2018 2017 Non-Interest Income: Service charges on deposit accounts* $ 60 $ 46 $ 164 $ 126 Investment management and advisory fees 445 595 1,568 1,736 Interchange fees* 28 32 80 88 Other service charges and fees* 15 10 35 22 Not within the scope of ASC 606 3,685 4,821 14,176 10,288 Total non-interest income $ 4,233 $ 5,504 $ 16,023 $ 12,260 * Included in service charges and fees, and other income in the condensed consolidated statements of income

Investment Securities (Tables)

Investment Securities (Tables)	9 Months Ended
	Sep. 30, 2018
Investment Securities
Schedule of amortized cost and fair value of debt securities available for sale	September 30, 2018 Amortized Gross Unrealized Fair Cost Gain Loss Value Available for sale: U.S. Treasury securities $ 136,764 $ — $ (118) $ 136,646 Collateralized mortgage obligations 1,633 64 — 1,697 Collateralized debt obligations 309 — (6) 303 Total $ 138,706 $ 64 $ (124) $ 138,646 December 31, 2017 Amortized Gross Unrealized Fair Cost Gain Loss Value Available for sale: U.S. Treasury securities $ 120,216 $ — $ (174) $ 120,042 Collateralized mortgage obligations 1,953 55 — 2,008 Collateralized debt obligations 606 — (35) 571 Total $ 122,775 $ 55 $ (209) $ 122,621
Schedule of information pertaining to sales of debt securities available for sale	Three Months Ended Nine Months Ended September 30, September 30, 2018 2017 2018 2017 Proceeds $ — $ 51,236 $ 2,778 $ 66,949 Gross realized gains $ — $ 40 $ — $ 114 Gross realized losses — (40) (3) (41) Total net realized gains (losses) $ — $ — $ (3) $ 73
Schedule of amortized cost and fair value of debt securities available for sale, shown by contractual maturity	The amortized cost and fair value of debt securities available for sale issued by U.S. Treasury at September 30, 2018 are shown by contractual maturity. Collateralized mortgage obligations and collateralized debt obligations are disclosed separately in the table below as the expected maturities may differ from contractual maturities if borrowers have the right to call or prepay obligations with or without call or prepayment penalties. Amortized Fair Cost Value U.S. Treasury securities Due less than one year $ 136,764 $ 136,646 Collateralized mortgage obligations 1,633 1,697 Collateralized debt obligations 309 303 Total $ 138,706 $ 138,646
Schedule of debt securities available for sale, at fair value, continuous unrealized loss position	September 30, 2018 Less than 12 Months 12 Months or More Total Fair Unrealized Fair Unrealized Fair Unrealized Value Losses Value Losses Value Losses U.S. Treasury securities $ 136,646 $ (118) $ — $ — $ 136,646 $ (118) Collateralized debt obligations — — 303 (6) 303 (6) Total $ 136,646 $ (118) $ 303 $ (6) $ 136,949 $ (124) December 31, 2017 Less than 12 Months 12 Months or More Total Fair Unrealized Fair Unrealized Fair Unrealized Value Losses Value Losses Value Losses U.S. Treasury securities $ 120,042 $ (174) $ — $ — $ 120,042 $ (174) Collateralized debt obligations — — 571 (35) 571 (35) Total $ 120,042 $ (174) $ 571 $ (35) $ 120,613 $ (209)
Schedule of equity securities with readily determinable fair values	Three Months Nine Months Ended Ended September 30, 2018 September 30, 2018 Net losses recorded during the period on equity securities $ 31 $ 125 Less: net losses recorded during the period on equity securities sold during the period — — Unrealized losses recorded during the period on equity securities held at the reporting date $ 31 $ 125

Loans (Tables)

Loans (Tables)	9 Months Ended
	Sep. 30, 2018
Loans
Schedule of major categories of loans	September 30, December 31, 2018 2017 Construction loans $ 177,734 $ 192,319 Residential real estate loans, mortgage 2,341,989 2,132,641 Commercial real estate loans, mortgage 252,782 247,076 Commercial and industrial loans, lines of credit 44,375 40,749 Other consumer loans 35 29 Total loans 2,816,915 2,612,814 Less: allowance for loan losses (20,765) (18,457) Loans, net $ 2,796,150 $ 2,594,357
Summary of activity in allowance for loan losses and recorded investment by portfolio segment	The table presents the activity in the allowance for loan losses by portfolio segment for the three and nine months ended September 30, 2018 and 2017: Residential Commercial Three Months Ended Real Commercial Lines of Other Sepember 30, 2018 Construction Estate Real Estate Credit Consumer Unallocated Total Allowance for loan losses: Beginning balance $ 3,211 $ 12,675 $ 2,595 $ 787 $ 1 $ 1,031 $ 20,300 Provision for loan losses 110 28 — 181 — 104 423 Charge offs — — — — — — — Recoveries 5 6 31 — — — 42 Total ending balance $ 3,326 $ 12,709 $ 2,626 $ 968 $ 1 $ 1,135 $ 20,765 Residential Commercial Nine Months Ended Real Commercial Lines of Other September 30, 2018 Construction Estate Real Estate Credit Consumer Unallocated Total Allowance for loan losses: Beginning balance $ 2,218 $ 12,279 $ 2,040 $ 469 $ 1 $ 1,450 $ 18,457 Provision for loan losses 1,095 421 484 499 — (315) 2,184 Charge offs — (4) — — — — (4) Recoveries 13 13 102 — — — 128 Total ending balance $ 3,326 $ 12,709 $ 2,626 $ 968 $ 1 $ 1,135 $ 20,765 Residential Commercial Three Months Ended Real Commercial Lines of Other September 30, 2017 Construction Estate Real Estate Credit Consumer Unallocated Total Allowance for loan losses: Beginning balance $ 1,168 $ 12,472 $ 1,247 $ 385 $ 2 $ 972 $ 16,246 Provision for loan losses (244) 1,102 12 66 — (36) 900 Charge offs — — — — — — — Recoveries 1 4 38 — — — 43 Total ending balance $ 925 $ 13,578 $ 1,297 $ 451 $ 2 $ 936 $ 17,189 Residential Commercial Nine Months Ended Real Commercial Lines of Other September 30, 2017 Construction Estate Real Estate Credit Consumer Unallocated Total Allowance for loan losses: Beginning balance $ 679 $ 11,863 $ 915 $ 373 $ 2 $ 990 $ 14,822 Provision for loan losses 141 1,672 264 78 (1) (54) 2,100 Charge offs — — — — — — — Recoveries 105 43 118 — 1 — 267 Total ending balance $ 925 $ 13,578 $ 1,297 $ 451 $ 2 $ 936 $ 17,189 The following tables present the balance in the allowance for loan losses and the recorded investment by portfolio segment and based on impairment method as of September 30, 2018 and December 31, 2017: Commercial Residential Commercial Lines of Other September 30, 2018 Construction Real Estate Real Estate Credit Consumer Unallocated Total Allowance for loan losses: Ending allowance balance attributable to loans: Individually evaluated for impairment $ 78 $ 45 $ 30 $ 198 $ — $ — $ 351 Collectively evaluated for impairment 3,248 12,664 2,596 770 1 1,135 20,414 Total ending allowance balance $ 3,326 $ 12,709 $ 2,626 $ 968 $ 1 $ 1,135 $ 20,765 Loans: Loans individually evaluated for impairment $ 7,155 $ 120 $ 3,809 $ 420 $ — $ — $ 11,504 Loans collectively evaluated for impairment 170,579 2,341,869 248,973 43,955 35 — 2,805,411 Total ending loans balance $ 177,734 $ 2,341,989 $ 252,782 $ 44,375 $ 35 $ — $ 2,816,915 Commercial Residential Commercial Lines of Other December 31, 2017 Construction Real Estate Real Estate Credit Consumer Unallocated Total Allowance for loan losses: Ending allowance balance attributable to loans: Individually evaluated for impairment $ — $ 37 $ 19 $ 98 $ — $ — $ 154 Collectively evaluated for impairment 2,218 12,242 2,021 371 1 1,450 18,303 Total ending allowance balance $ 2,218 $ 12,279 $ 2,040 $ 469 $ 1 $ 1,450 $ 18,457 Loans: Loans individually evaluated for impairment $ — $ 122 $ 2,804 $ 343 $ — $ — $ 3,269 Loans collectively evaluated for impairment 192,319 2,132,519 244,272 40,406 29 — 2,609,545 Total ending loans balance $ 192,319 $ 2,132,641 $ 247,076 $ 40,749 $ 29 $ — $ 2,612,814
Summary of information related to impaired loans by class of loans	At September 30, 2018 At December 31, 2017 Unpaid Allowance Unpaid Allowance Principal Recorded for Loan Principal Recorded for Loan Balance Investment Losses Balance Investment Losses With no related allowance for loan losses recorded: Construction $ 4,496 $ 4,494 $ — $ — $ — $ — Commercial real estate: Retail 1,385 1,193 — 1,431 1,247 — Apartments 1,093 1,088 — — — — Commercial lines of credit, private banking — — — 147 147 — Subtotal 6,974 6,775 — 1,578 1,394 — With an allowance for loan losses recorded: Residential real estate, first mortgage 120 120 45 122 122 37 Construction 2,661 2,661 78 — — — Commercial real estate, offices 1,539 1,528 30 1,567 1,557 19 Commercial lines of credit: Private banking 320 320 98 196 196 98 C&I lending 100 100 100 — — — Subtotal 4,740 4,729 351 1,885 1,875 154 Total $ 11,714 $ 11,504 $ 351 $ 3,463 $ 3,269 $ 154 The unpaid principal balance is not reduced for partial charge offs. The recorded investment excludes accrued interest receivable on loans which was not significant. Three Months Ended September 30, 2018 September 30, 2017 Average Interest Cash Basis Average Interest Cash Basis Recorded Income Interest Recorded Income Interest Investment Recognized Recognized Investment Recognized Recognized With no related allowance for loan losses recorded: Construction $ 4,732 $ 97 $ 48 $ — $ — $ — Commercial real estate: Retail 1,202 16 11 1,273 17 16 Gas stations — — — 4 — — Apartments 1,091 12 8 — — — Commercial lines of credit, private banking — — — 150 2 2 Subtotal 7,025 125 67 1,427 19 18 With an allowance for loan losses recorded: Residential real estate, first mortgage 121 1 1 123 1 1 Construction 2,661 55 37 — — — Commercial real estate, offices 1,532 24 15 1,568 21 21 Commercial lines of credit: Private banking 325 3 2 205 3 3 C&I lending 100 1 1 — — — Subtotal 4,739 84 56 1,896 25 25 Total $ 11,764 $ 209 $ 123 $ 3,323 $ 44 $ 43 Nine Months Ended September 30, 2018 September 30, 2017 Average Interest Cash Basis Average Interest Cash Basis Recorded Income Interest Recorded Income Interest Investment Recognized Recognized Investment Recognized Recognized With no related allowance for loan losses recorded: Construction $ 2,996 $ 196 $ 147 $ — $ — $ — Commercial real estate: Retail 1,220 48 43 1,287 50 50 Apartments 725 24 20 — — — Commercial lines of credit, private banking — — — 151 6 6 Subtotal 4,941 268 210 1,438 56 56 With an allowance for loan losses recorded: Residential real estate, first mortgage 121 4 3 122 4 6 Construction 1,774 107 89 — — — Commercial real estate, offices 1,541 67 59 1,581 60 59 Commercial lines of credit: Private banking 331 14 13 208 10 10 C&I lending 67 3 3 — — — Subtotal 3,834 195 167 1,911 74 75 Total $ 8,775 $ 463 $ 377 $ 3,349 $ 130 $ 131
Schedule of recorded investment in nonaccrual and loans past due over 90 days still on accrual by class of loans and aging of the recorded investment in past due loans	September 30, 2018 December 31, 2017 Loans Past Loans Past Due Over 90 Due Over 90 Days Still Days Still Nonaccrual Accruing Nonaccrual Accruing Residential real estate: Residential first mortgage $ 214 $ 77 $ 573 $ 131 Commercial real estate: Retail 65 — 79 — Total $ 279 $ 77 $ 652 $ 131 The following tables present the aging of the recorded investment in past due loans as of September 30, 2018 and December 31, 2017 by class of loans: Greater 30 ‑ 59 60 ‑ 89 than Days Days 89 Days Total Loans Not September 30, 2018 Past Due Past Due Past Due Past Due Past Due Total Construction $ — $ — $ — $ — $ 177,734 $ 177,734 Residential real estate: Residential first mortgage 906 300 291 1,497 2,320,770 2,322,267 Residential second mortgage — 295 — 295 19,427 19,722 Commercial real estate: Retail — — 65 65 10,062 10,127 Apartments — — — — 64,994 64,994 Offices — — — — 26,528 26,528 Hotel — — — — 105,470 105,470 Industrial — — — — 14,823 14,823 Gas stations — — — — 988 988 Other — — — — 29,852 29,852 Commercial lines of credit: Private banking — — — — 24,839 24,839 C&I lending — — — — 19,536 19,536 Other consumer loans — — — — 35 35 Total $ 906 $ 595 $ 356 $ 1,857 $ 2,815,058 $ 2,816,915 Greater 30 ‑ 59 60 ‑ 89 than Days Days 89 Days Total Loans Not December 31, 2017 Past Due Past Due Past Due Past Due Past Due Total Construction $ — $ — $ — $ — $ 192,319 $ 192,319 Residential real estate: Residential first mortgage 8,902 392 704 9,998 2,105,142 2,115,140 Residential second mortgage 107 — — 107 17,394 17,501 Commercial real estate: Retail — — 79 79 10,530 10,609 Apartments — — — — 59,582 59,582 Offices — — — — 26,571 26,571 Hotel — — — — 103,195 103,195 Industrial — — — — 15,907 15,907 Gas stations — — — — 1,067 1,067 Other — — — — 30,145 30,145 Commercial lines of credit: Private banking — — — — 22,898 22,898 C&I lending — — — — 17,851 17,851 Other consumer loans — — — — 29 29 Total $ 9,009 $ 392 $ 783 $ 10,184 $ 2,602,630 $ 2,612,814
Schedule of risk rating of loans by class of loans	Special September 30, 2018 Pass Mention Substandard Doubtful Total Construction $ 158,972 $ 9,636 $ 9,126 $ — $ 177,734 Residential real estate: Residential first mortgage 2,321,998 — 105 164 2,322,267 Residential second mortgage 19,722 — — — 19,722 Commercial real estate: Retail 8,934 — 1,193 — 10,127 Apartments 63,906 — 1,088 — 64,994 Offices 26,528 — — — 26,528 Hotel 105,470 — — — 105,470 Industrial 14,823 — — — 14,823 Gas stations 988 — — — 988 Other 28,808 — 1,044 — 29,852 Commercial lines of credit: Private banking 24,661 — 178 — 24,839 C&I lending 14,632 3,951 953 — 19,536 Other consumer loans 35 — — — 35 Total $ 2,789,477 $ 13,587 $ 13,687 $ 164 $ 2,816,915 Special December 31, 2017 Pass Mention Substandard Doubtful Total Construction $ 177,241 $ 11,670 $ 3,408 $ — $ 192,319 Residential real estate: Residential first mortgage 2,114,511 — 109 520 2,115,140 Residential second mortgage 17,501 — — — 17,501 Commercial real estate: Retail 9,363 1,167 79 — 10,609 Apartments 58,472 1,110 — — 59,582 Offices 26,571 — — — 26,571 Hotel 103,195 — — — 103,195 Industrial 15,907 — — — 15,907 Gas stations 1,067 — — — 1,067 Other 24,741 4,733 671 — 30,145 Commercial lines of credit: Private banking 22,702 — 196 — 22,898 C&I lending 17,851 — — — 17,851 Other consumer loans 29 — — — 29 Total $ 2,589,151 $ 18,680 $ 4,463 $ 520 $ 2,612,814

Mortgage Servicing Rights (Tabl

Mortgage Servicing Rights (Tables)	9 Months Ended
	Sep. 30, 2018
Mortgage Servicing Rights
Schedule of principal balance of mortgage loans serviced for others	September 30, December 31, 2018 2017 Residential real estate mortgage loan portfolios serviced for: FNMA $ 82,477 $ 73,039 FHLB 91,372 92,697 Private investors 631,016 442,984
Schedule of activity for mortgage servicing rights and related valuation allowance	Three Months Ended Nine Months Ended September 30, September 30, 2018 2017 2018 2017 Mortgage servicing rights: Beginning of period $ 9,313 $ 5,299 $ 6,706 $ 4,454 Additions 703 1,703 4,290 3,250 Amortization (580) (369) (1,560) (1,071) End of period 9,436 6,633 9,436 6,633 Valuation allowance at beginning of period 18 120 210 40 Additions (recoveries) 7 58 (185) 138 Valuation allowance at end of period 25 178 25 178 Mortgage servicing rights, net $ 9,411 $ 6,455 $ 9,411 $ 6,455

Federal Home Loan Bank Borrow_2

Federal Home Loan Bank Borrowings (Tables)	9 Months Ended
	Sep. 30, 2018
Federal Home Loan Bank Borrowings
Schedule of Federal Home Loan Bank (FHLB) borrowings	September 30, December 31, 2018 Interest Rates 2017 Interest Rates Short-term fixed rate advances $ 138,000 2.24% $ 148,000 1.47% -1.56% Short-term adjustable rate advances 7,000 2.54% * — Total short-term FHLB advances 145,000 148,000 Long-term fixed rate advances 190,000 0.98%-1.18% 190,000 0.98% -1.18% Total FHLB advances $ 335,000 $ 338,000 * At period end.

Subordinated Notes, net (Tables

Subordinated Notes, net (Tables)	9 Months Ended
	Sep. 30, 2018
Subordinated Notes, net
Schedule of subordinated notes, net	September 30, December 31, 2018 2017 7.0% fixed to floating rate subordinated notes $ 65,000 $ 65,000 Unamortized note premium 547 588 Unamortized debt issuance costs (554) (699) Total $ 64,993 $ 64,889

Stock-based Compensation (Table

Stock-based Compensation (Tables)	9 Months Ended
	Sep. 30, 2018
Stock-based Compensation
Schedule of assumptions used to estimate grant date fair value of stock option awards using Black Scholes option pricing model	Exercise price of options $ 13.73 Risk-free interest rate 2.80 % Expected term (in years) 6.75 Expected stock price volatility 23.70 % Dividend yield 0.29 %
Summary of the company's stock option activity	Weighted Weighted Average Average Remaining Aggregate Number Exercise Contractual Intrinsic of Options Price Term Value (Years) Outstanding at January 1, 2018 — $ — — $ — Granted 92,625 13.73 Exercised — — Forfeited/expired — — Outstanding at September 30, 2018 92,625 $ 13.73 9.47 $ —

Income Per Share (Tables)

Income Per Share (Tables)	9 Months Ended
	Sep. 30, 2018
Income Per Share
Schedule of computation of income per share, basic and diluted	Three Months Ended Nine Months Ended September 30, September 30, 2018 2017 2018 2017 Numerator: Net income $ 15,741 $ 12,092 $ 47,472 $ 31,446 Denominator: Weighted average common shares outstanding, basic 52,963,308 45,271,000 52,963,308 45,271,000 Weighted average effect of potentially dilutive common shares: Stock options — — — — Restricted stock 3,285 — 1,781 — Weighted average common shares outstanding, diluted 52,966,593 45,271,000 52,965,089 45,271,000 Income per share: Basic $ 0.30 $ 0.27 $ 0.90 $ 0.69 Diluted $ 0.30 $ 0.27 $ 0.90 $ 0.69

Fair Values of Financial Inst_2

Fair Values of Financial Instruments (Tables)	9 Months Ended
	Sep. 30, 2018
Fair Values of Financial Instruments
Schedule of assets measured at fair value on a recurring basis categorized by level of inputs	Fair Value Measurements at September 30, 2018 Quoted Prices in Active Significant Markets for Other Significant Identical Observable Unobservable Assets Inputs Inputs Total (Level 1) (Level 2) (Level 3) Financial Assets Available for sale debt securities: U.S. Treasury securities $ 136,646 $ 136,646 $ — $ — Collateralized mortgage obligations 1,697 — 1,697 — Collateralized debt obligations 303 — — 303 Equity securities 3,857 3,857 — — Fair Value Measurements at December 31, 2017 Quoted Prices in Active Significant Markets for Other Significant Identical Observable Unobservable Assets Inputs Inputs Total (Level 1) (Level 2) (Level 3) Financial Assets Available for sale debt securities: U.S. Treasury securities $ 120,042 $ 120,042 $ — $ — Collateralized mortgage obligations 2,008 — 2,008 — Collateralized debt obligations 571 — — 571 Equity securities 4,227 3,981 — 246 * * The Company has elected to account for its investment in a thinly traded, restricted stock with a carrying value of $246 using the measurement alternative for equity securities without a readily determinable fair value therefore, the investment is excluded from the fair value measurement disclosures at September 30, 2018.
Summary of reconciliation for all assets measured at fair value on a recurring basis using significant unobservable inputs	Fair Value Measurements Using Significant Unobservable Inputs (Level 3) Investment Securities September 30, 2018 December 31, 2017 Collateralized Collateralized Debt Equity Debt Equity Obligations Securities Obligations Securities Balance of recurring Level 3 assets at January 1 $ 571 $ — $ 585 $ 529 Total gains or losses (realized/unrealized): Included in income-realized — — — — Included in other comprehensive income (loss) 28 — (10) — Principal maturities/settlements (296) — (4) (283) Sales — — — — Transfers in and/or out of Level 3 — — — — Balance of recurring Level 3 assets at end of period $ 303 $ — $ 571 $ 246
Schedule of quantitative information about recurring Level 3 fair value measurements	Valuation Fair Value Technique Unobservable Inputs September 30, 2018 Collateralized debt obligations $ 303 Discounted cash flow Collateral default rate 0 % Recovery probability 0 % December 31, 2017 Collateralized debt obligations $ 571 Discounted cash flow Collateral default rate 0 % Recovery probability 15 %
Schedule of assets measured at fair value on a non-recurring basis categorized by level of inputs	Fair Value Measurements at September 30, 2018 Quoted Prices in Active Significant Markets for Other Significant Idential Observable Unobservable Carrying Assets Inputs Inputs Value (Level 1) (Level 2) (Level 3) Impaired loans, construction $ 2,583 $ — $ — $ 2,583
Schedule of quantitative information about non-recurring Level 3 fair value remeasurements	Fair Value Valuation Technique Unobservable Inputs Impaired loans, construction $ 2,583 Sales comparison approach Management discount for property type and recent market volatility 10 %
Schedule of carrying amounts and estimated fair values of financial instruments not carried at fair value	Fair Value Measurements at September 30, 2018 Carrying Fair Amount Value Level 1 Level 2 Level 3 Financial Assets Cash and due from banks $ 48,879 $ 48,879 $ 48,879 $ — $ — Mortgage loans held for sale 113,805 116,839 — 116,839 — Loans, net 2,793,567 2,878,717 — — 2,878,717 Financial Liabilities Time deposits 795,437 794,186 — 794,186 — Federal Home Loan Bank borrowings 335,000 324,185 — 324,185 — Subordinated notes, net 64,993 66,625 — 66,625 — Fair Value Measurements at December 31, 2017 Carrying Fair Amount Value Level 1 Level 2 Level 3 Financial Assets Cash and due from banks $ 40,147 $ 40,147 $ 40,147 $ — $ — Mortgage loans held for sale 112,866 115,619 — 115,619 — Loans, net 2,594,357 2,635,986 — — 2,635,986 Financial Liabilities Time deposits 663,472 660,380 — 660,380 — Federal Home Loan Bank borrowings 338,000 330,004 — 330,004 — Subordinated notes, net 64,889 67,485 — 67,485 —

Income Taxes (Tables)

Income Taxes (Tables)	9 Months Ended
	Sep. 30, 2018
Income Taxes
Schedule of reconciliation of the U.S. federal statutory tax rate to effective tax rate	Three Months Ended Nine Months Ended September 30, September 30, 2018 2017 2018 2017 U.S. federal statutory rate 21.0 % 35.0 % 21.0 % 35.0 % Effect of: State taxes, net of federal benefit 7.8 % 6.1 % 7.8 % 6.0 % Loss incurred by pass-through entity — — — 0.2 % Income on cash surrender value of bank-owned life insurance (0.2) % (0.3) % (0.2) % (0.3) % Effective tax rate 28.6 % 40.8 % 28.6 % 40.9 %

Regulatory Capital Requiremen_2

Regulatory Capital Requirements (Tables)	9 Months Ended
	Sep. 30, 2018
Regulatory Capital Requirements
Schedule of minimum requirements under prompt corrective action regulations classifications	Capital Tier 1 Weighted Capital to Common Assets Average Tier 1 Total Tier 1 Assets (CET1) Well Capitalized 10.0 % 8.0 % 5.0 % 6.5 % Adequately Capitalized 8.0 % 6.0 % 4.0 % 4.5 % Undercapitalized 6.0 % 4.0 % 3.0 % 3.0 %
Schedule of actual and minimum required capital amounts and ratios	For Capital To be Well Actual Adequacy Purposes Capitalized Amount Ratio Amount Ratio Amount Ratio September 30, 2018 Total adjusted capital to risk-weighted assets Consolidated $ 404,686 21.00 % $ 154,130 8.00 % N/A N/A Bank 308,063 15.99 154,128 8.00 $ 192,660 10.00 % Tier 1 (core) capital to risk-weighted assets Consolidated 318,927 16.55 115,598 6.00 N/A N/A Bank 287,298 14.91 115,596 6.00 154,128 8.00 Common Tier 1 (CET1) Consolidated 318,927 16.55 86,698 4.50 N/A N/A Bank 287,298 14.91 86,697 4.50 125,229 6.50 Tier 1 (core) capital to adjusted tangible assets Consolidated 318,927 10.04 127,081 4.00 N/A N/A Bank 287,298 9.04 127,080 4.00 158,850 5.00 For Capital To be Well Actual Adequacy Purposes Capitalized Amount Ratio Amount Ratio Amount Ratio December 31, 2017 Total adjusted capital to risk-weighted assets Consolidated $ 365,078 20.28 % $ 140,447 8.00 % N/A N/A Bank 259,165 14.76 140,447 8.00 $ 175,559 10.00 % Tier 1 (core) capital to risk-weighted assets Consolidated 272,732 15.53 105,336 6.00 N/A N/A Bank 240,708 13.71 105,336 6.00 140,447 8.00 Common Tier 1 (CET1) Consolidated 272,732 15.53 79,002 4.50 N/A N/A Bank 240,708 13.71 79,002 4.50 114,114 6.50 Tier 1 (core) capital to adjusted tangible assets Consolidated 272,732 9.83 110,949 4.00 N/A N/A Bank 240,708 8.68 110,949 4.00 138,687 5.00

Commitments and Contingencies (

Commitments and Contingencies (Tables)	9 Months Ended
	Sep. 30, 2018
Commitments and Contingencies
Summary of total amount of unfunded commitments to extend credit and standby letters of credit outstanding	September 30, December 31, 2018 2017 Commitments to make loans $ 291,788 $ 268,401 Unused lines of credit 170,380 157,234 Standby letters of credit 70 70

Nature of Operations and Basi_2

Nature of Operations and Basis of Presentation (Details) $ / shares in Units, $ in Thousands	Apr. 24, 2017USD ($)	Nov. 30, 2017USD ($)$ / sharesshares	Sep. 30, 2018USD ($)	Sep. 30, 2017USD ($)	Sep. 30, 2018USD ($)segmentitem	Sep. 30, 2017USD ($)
Nature of Operations and Basis of Presentation
Number of branches | item					29
Number of reportable segments | segment					1
Adjustments to Prior Interim Periods
Interest and fees on loans			$ 40,772	$ 32,373	$ 115,752	$ 88,116
Merger
Assets held under management			$ 304,000		$ 304,000
Quantum Fund, LLC
Merger
Cash consideration	$ 2,900
Assets held under management	$ 425,000
Southfield, Michigan
Nature of Operations and Basis of Presentation
Number of branches | item					1
San Francisco and Los Angeles, California
Nature of Operations and Basis of Presentation
Number of branches | item					25
New York, New York
Nature of Operations and Basis of Presentation
Number of branches | item					2
Greater Seattle, Washington Market
Nature of Operations and Basis of Presentation
Number of branches | item					1
Common stock | IPO
Initial Public Offering
Number of shares of stock issued and sold | shares		7,692,308
Offering price (in dollars per share) | $ / shares		$ 12
Net proceeds from IPO		$ 85,500
Underwriting discounts and commissions		5,500
Offering expenses		$ 1,300
Adjustments to Prior Interim Periods
Adjustments to Prior Interim Periods
Service charges and fees				(648)		(1,510)
Interest and fees on loans				$ 648		$ 1,510
Principal Shareholder | Quantum Fund, LLC
Merger
Equity interest of acquired entity that is owned by the principal shareholder of the Company and Bank (as a percent)	80.00%
Board of Directors | Quantum Fund, LLC
Merger
Equity interest of acquired entity that is owned by a member of the Board of Directors of the Company and Bank (as a percent)	20.00%

Summary of Significant Accoun_4

Summary of Significant Accounting Policies - Concentration of Credit Risk (Details) - Loans receivables	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Residential real estate loans
Concentration of Credit Risk
Concentration of Credit Risk	83.00%	82.00%
California
Concentration of Credit Risk
Concentration of Credit Risk	95.00%	95.00%

Summary of Significant Accoun_5

Summary of Significant Accounting Policies - Federal Home Loan Bank Stock (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Summary of Significant Accounting Policies
Cash dividends received on investment securities	$ 257	$ 194	$ 888	$ 583

Summary of Significant Accoun_6

Summary of Significant Accounting Policies - Revenue from Contracts with Customers (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Non-Interest Income:
Non - interest income not with in the scope of ASC 606	$ 3,685	$ 4,821	$ 14,176	$ 10,288
Total non-interest income	4,233	5,504	16,023	12,260
Contract Balances
Contract asset balance	34		34		$ 91
Service charges on deposit accounts
Non-Interest Income:
Non- interest income with in the scope of ASC 606	60	46	164	126
Investment management and advisory fees
Non-Interest Income:
Non- interest income with in the scope of ASC 606	445	595	1,568	1,736
Interchange fees
Non-Interest Income:
Non- interest income with in the scope of ASC 606	28	32	80	88
Other service charges and fees
Non-Interest Income:
Non- interest income with in the scope of ASC 606	$ 15	$ 10	$ 35	$ 22

Investment Securities - Amortiz

Investment Securities - Amortized Cost and Fair Value Corresponding Gross Unrealized Gains and Losses (Details) - USD ($)	3 Months Ended	9 Months Ended		12 Months Ended
	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Available for sale:
Available for sale, Amortized Cost		$ 138,706,000		$ 122,775,000
Available for sale, Gross Unrealized Gain		64,000		55,000
Available for sale, Gross Unrealized Loss		(124,000)		(209,000)
Available for sale, Fair Value		138,646,000		122,621,000
Carrying value of debt securities held of any single issuer in excess of 10% of shareholders' equity		$ 0		$ 0
Threshold percentage of shareholders' equity above which securities of any single issuer exceed		10.00%		10.00%
Proceeds	$ 51,236,000	$ 2,778,000	$ 66,949,000
Gross realized gains	40,000		114,000
Gross realized losses	$ (40,000)	(3,000)	(41,000)
Total net realized gains (losses)		(3,000)	$ 73,000
U.S. Treasury securities
Available for sale:
Available for sale, Amortized Cost		136,764,000		$ 120,216,000
Available for sale, Gross Unrealized Loss		(118,000)		(174,000)
Available for sale, Fair Value		136,646,000		120,042,000
Collateralized mortgage obligations
Available for sale:
Available for sale, Amortized Cost		1,633,000		1,953,000
Available for sale, Gross Unrealized Gain		64,000		55,000
Available for sale, Fair Value		1,697,000		2,008,000
Collateralized debt obligations
Available for sale:
Available for sale, Amortized Cost		309,000		606,000
Available for sale, Gross Unrealized Loss		(6,000)		(35,000)
Available for sale, Fair Value		$ 303,000		$ 571,000

Investment Securities - Amort_2

Investment Securities - Amortized Cost and Fair Value By Contractual Maturity (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Available for sale, Amortized Cost
Available for sale, Amortized Cost	$ 138,706	$ 122,775
Available for sale, Fair Value
Available for sale, Fair Value	138,646	122,621
U.S. Treasury securities
Available for sale, Amortized Cost
Due less than one year	136,764
Available for sale, Amortized Cost	136,764	120,216
Available for sale, Fair Value
Due less than one year	136,646
Available for sale, Fair Value	136,646	120,042
Collateralized mortgage obligations
Available for sale, Amortized Cost
Available for sale, Amortized Cost	1,633	1,953
Available for sale, Fair Value
Available for sale, Fair Value	1,697	2,008
Collateralized debt obligations
Available for sale, Amortized Cost
Available for sale, Amortized Cost	309	606
Available for sale, Fair Value
Available for sale, Fair Value	$ 303	$ 571

Investment Securities - Aggrega

Investment Securities - Aggregated by Major Security Type and Length of Time in a Continuous Unrealized Loss Position (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2018USD ($)security	Dec. 31, 2017USD ($)
Fair Value
Less than 12 Months, Fair value	$ 136,646	$ 120,042
12 Months or More, Fair Value	303	571
Available for sale, Continuous unrealized loss position, Fair Value	136,949	120,613
Unrealized Losses
Less than 12 Months, Unrealized Losses	(118)	(174)
12 Months or More, Unrealized Losses	(6)	(35)
Available for sale, Continuous unrealized loss position, Unrealized Losses	$ (124)	(209)
Number of debt securities in portfolio | security	9
Number of debt securities in an unrealized loss position | security	7
U.S. Treasury securities
Fair Value
Less than 12 Months, Fair value	$ 136,646	120,042
Available for sale, Continuous unrealized loss position, Fair Value	136,646	120,042
Unrealized Losses
Less than 12 Months, Unrealized Losses	(118)	(174)
Available for sale, Continuous unrealized loss position, Unrealized Losses	(118)	(174)
Collateralized debt obligations
Fair Value
12 Months or More, Fair Value	303	571
Available for sale, Continuous unrealized loss position, Fair Value	303	571
Unrealized Losses
12 Months or More, Unrealized Losses	(6)	(35)
Available for sale, Continuous unrealized loss position, Unrealized Losses	$ (6)	$ (35)

Investment Securities - Equity

Investment Securities - Equity Securities (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2018	Jan. 01, 2018	Dec. 31, 2017
Equity Securities
Fair value of equity securities	$ 4,103	$ 4,103		$ 4,227
Retained earnings	195,649	195,649		149,816
Equity securities with readily determinable fair values	3,857	3,857		3,981
Equity securities with readily determinable fair values
Net losses recorded during the period on equity securities	31	125
Unrealized losses recorded during the period on equity securities held at the reporting date	31	125
ASU 2016-01
Equity Securities
Retained earnings			$ (50)
Deferred taxes and accumulated other comprehensive income			$ 50
Level 3
Equity Securities
Investment in equity securities without readily determinable fair value	$ 246	$ 246		$ 246

Loans - Major Categories of Loa

Loans - Major Categories of Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Jun. 30, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Dec. 31, 2016
Major categories of loans
Total Loans	$ 2,816,915		$ 2,612,814
Less: allowance for loan losses	(20,765)	$ (20,300)	(18,457)	$ (17,189)	$ (16,246)	$ (14,822)
Loans, net	2,796,150		2,594,357
Carrying value of loans pledged as collateral on FHLB borrowings	964,300		968,400
Construction loans
Major categories of loans
Total Loans	177,734		192,319
Less: allowance for loan losses	(3,326)	(3,211)	(2,218)	(925)	(1,168)	(679)
Real Estate loans | Residential
Major categories of loans
Total Loans	2,341,989		2,132,641
Less: allowance for loan losses	(12,709)	(12,675)	(12,279)	(13,578)	(12,472)	(11,863)
Real Estate loans | Commercial
Major categories of loans
Total Loans	252,782		247,076
Less: allowance for loan losses	(2,626)	(2,595)	(2,040)	(1,297)	(1,247)	(915)
Commercial and industrial loans, lines of credit
Major categories of loans
Total Loans	44,375		40,749
Less: allowance for loan losses	(968)	(787)	(469)	(451)	(385)	(373)
Other consumer loans | Consumer
Major categories of loans
Total Loans	35		29
Less: allowance for loan losses	$ (1)	$ (1)	$ (1)	$ (2)	$ (2)	$ (2)

Loans - Activity in the Allowan

Loans - Activity in the Allowance For Loan Losses by Portfolio Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Allowance for loan losses
Beginning balance	$ 20,300	$ 16,246	$ 18,457	$ 14,822
Provision for loan losses	423	900	2,184	2,100
Charge offs			(4)
Recoveries	42	43	128	267
Total ending balance	20,765	17,189	20,765	17,189
Construction loans
Allowance for loan losses
Beginning balance	3,211	1,168	2,218	679
Provision for loan losses	110	(244)	1,095	141
Recoveries	5	1	13	105
Total ending balance	3,326	925	3,326	925
Real Estate loans | Residential
Allowance for loan losses
Beginning balance	12,675	12,472	12,279	11,863
Provision for loan losses	28	1,102	421	1,672
Charge offs			(4)
Recoveries	6	4	13	43
Total ending balance	12,709	13,578	12,709	13,578
Real Estate loans | Commercial
Allowance for loan losses
Beginning balance	2,595	1,247	2,040	915
Provision for loan losses		12	484	264
Recoveries	31	38	102	118
Total ending balance	2,626	1,297	2,626	1,297
Commercial and industrial loans, lines of credit
Allowance for loan losses
Beginning balance	787	385	469	373
Provision for loan losses	181	66	499	78
Total ending balance	968	451	968	451
Other consumer loans | Consumer
Allowance for loan losses
Beginning balance	1	2	1	2
Provision for loan losses				(1)
Recoveries				1
Total ending balance	1	2	1	2
Unallocated
Allowance for loan losses
Beginning balance	1,031	972	1,450	990
Provision for loan losses	104	(36)	(315)	(54)
Total ending balance	$ 1,135	$ 936	$ 1,135	$ 936

Loans - Activity in the Allow_2

Loans - Activity in the Allowance For Loan Losses by Portfolio Segment And Based On Impairment Method (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Jun. 30, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Dec. 31, 2016
Ending allowance balance attributable to loans:
Individually evaluated for impairment	$ 351		$ 154
Collectively evaluated for impairment	20,414		18,303
Total ending allowance balance	20,765	$ 20,300	18,457	$ 17,189	$ 16,246	$ 14,822
Loans:
Loans individually evaluated for impairment	11,504		3,269
Loans collectively evaluated for impairment	2,805,411		2,609,545
Total Loans	2,816,915		2,612,814
Construction loans
Ending allowance balance attributable to loans:
Individually evaluated for impairment	78
Collectively evaluated for impairment	3,248		2,218
Total ending allowance balance	3,326	3,211	2,218	925	1,168	679
Loans:
Loans individually evaluated for impairment	7,155
Loans collectively evaluated for impairment	170,579		192,319
Total Loans	177,734		192,319
Real Estate loans | Residential
Ending allowance balance attributable to loans:
Individually evaluated for impairment	45		37
Collectively evaluated for impairment	12,664		12,242
Total ending allowance balance	12,709	12,675	12,279	13,578	12,472	11,863
Loans:
Loans individually evaluated for impairment	120		122
Loans collectively evaluated for impairment	2,341,869		2,132,519
Total Loans	2,341,989		2,132,641
Real Estate loans | Commercial
Ending allowance balance attributable to loans:
Individually evaluated for impairment	30		19
Collectively evaluated for impairment	2,596		2,021
Total ending allowance balance	2,626	2,595	2,040	1,297	1,247	915
Loans:
Loans individually evaluated for impairment	3,809		2,804
Loans collectively evaluated for impairment	248,973		244,272
Total Loans	252,782		247,076
Commercial and industrial loans, lines of credit
Ending allowance balance attributable to loans:
Individually evaluated for impairment	198		98
Collectively evaluated for impairment	770		371
Total ending allowance balance	968	787	469	451	385	373
Loans:
Loans individually evaluated for impairment	420		343
Loans collectively evaluated for impairment	43,955		40,406
Total Loans	44,375		40,749
Other consumer loans | Consumer
Ending allowance balance attributable to loans:
Collectively evaluated for impairment	1		1
Total ending allowance balance	1	1	1	2	2	2
Loans:
Loans collectively evaluated for impairment	35		29
Total Loans	35		29
Unallocated
Ending allowance balance attributable to loans:
Collectively evaluated for impairment	1,135		1,450
Total ending allowance balance	$ 1,135	$ 1,031	$ 1,450	$ 936	$ 972	$ 990

Loans - Impaired Loans by Class

Loans - Impaired Loans by Class of Loans (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Impaired loans by class of loans
Unpaid principal balance, with no related allowance for loan losses recorded	$ 6,974		$ 6,974		$ 1,578
Unpaid principal balance, with an allowance for loan losses recorded	4,740		4,740		1,885
Total Unpaid Principal Balance	11,714		11,714		3,463
Recorded investment, with no related allowance for loan losses recorded	6,775		6,775		1,394
Recorded investment, with an allowance for loan losses recorded	4,729		4,729		1,875
Total Recorded Investment	11,504		11,504		3,269
Allowance for Loan Losses	351		351		154
Average recorded investment, with no related allowance for loan losses recorded	7,025	$ 1,427	4,941	$ 1,438
Average recorded investment, with an allowance for loan losses recorded	4,739	1,896	3,834	1,911
Total Average Recorded Investment	11,764	3,323	8,775	3,349
Interest Income Recognized, with no related allowance for loan losses recorded	125	19	268	56
Interest Income Recognized, with an allowance for loan losses recorded	84	25	195	74
Total Interest Income Recognized	209	44	463	130
Cash Basis Interest Recognized, with no related allowance for loan losses recorded	67	18	210	56
Cash Basis Interest Recognized, with an allowance for loan losses recorded	56	25	167	75
Total Cash Basis Interest Recognized	123	43	377	131
Construction loans
Impaired loans by class of loans
Unpaid principal balance, with no related allowance for loan losses recorded	4,496		4,496
Unpaid principal balance, with an allowance for loan losses recorded	2,661		2,661
Recorded investment, with no related allowance for loan losses recorded	4,494		4,494
Recorded investment, with an allowance for loan losses recorded	2,661		2,661
Allowance for Loan Losses	78		78
Average recorded investment, with no related allowance for loan losses recorded	4,732		2,996
Average recorded investment, with an allowance for loan losses recorded	2,661		1,774
Interest Income Recognized, with no related allowance for loan losses recorded	97		196
Interest Income Recognized, with an allowance for loan losses recorded	55		107
Cash Basis Interest Recognized, with no related allowance for loan losses recorded	48		147
Cash Basis Interest Recognized, with an allowance for loan losses recorded	37		89
Real estate loan, First mortgage | Residential
Impaired loans by class of loans
Unpaid principal balance, with an allowance for loan losses recorded	120		120		122
Recorded investment, with an allowance for loan losses recorded	120		120		122
Allowance for Loan Losses	45		45		37
Average recorded investment, with an allowance for loan losses recorded	121	123	121	122
Interest Income Recognized, with an allowance for loan losses recorded	1	1	4	4
Cash Basis Interest Recognized, with an allowance for loan losses recorded	1	1	3	6
Real estate loan, Retail | Commercial
Impaired loans by class of loans
Unpaid principal balance, with no related allowance for loan losses recorded	1,385		1,385		1,431
Recorded investment, with no related allowance for loan losses recorded	1,193		1,193		1,247
Average recorded investment, with no related allowance for loan losses recorded	1,202	1,273	1,220	1,287
Interest Income Recognized, with no related allowance for loan losses recorded	16	17	48	50
Cash Basis Interest Recognized, with no related allowance for loan losses recorded	11	16	43	50
Real estate loan, Apartments | Commercial
Impaired loans by class of loans
Unpaid principal balance, with no related allowance for loan losses recorded	1,093		1,093
Recorded investment, with no related allowance for loan losses recorded	1,088		1,088
Average recorded investment, with no related allowance for loan losses recorded	1,091		725
Interest Income Recognized, with no related allowance for loan losses recorded	12		24
Cash Basis Interest Recognized, with no related allowance for loan losses recorded	8		20
Real estate loan, Offices | Commercial
Impaired loans by class of loans
Unpaid principal balance, with an allowance for loan losses recorded	1,539		1,539		1,567
Recorded investment, with an allowance for loan losses recorded	1,528		1,528		1,557
Allowance for Loan Losses	30		30		19
Average recorded investment, with an allowance for loan losses recorded	1,532	1,568	1,541	1,581
Interest Income Recognized, with an allowance for loan losses recorded	24	21	67	60
Cash Basis Interest Recognized, with an allowance for loan losses recorded	15	21	59	59
Real estate loan, Gas stations | Commercial
Impaired loans by class of loans
Average recorded investment, with no related allowance for loan losses recorded		4
Private banking
Impaired loans by class of loans
Unpaid principal balance, with no related allowance for loan losses recorded					147
Unpaid principal balance, with an allowance for loan losses recorded	320		320		196
Recorded investment, with no related allowance for loan losses recorded					147
Recorded investment, with an allowance for loan losses recorded	320		320		196
Allowance for Loan Losses	98		98		$ 98
Average recorded investment, with no related allowance for loan losses recorded		150		151
Average recorded investment, with an allowance for loan losses recorded	325	205	331	208
Interest Income Recognized, with no related allowance for loan losses recorded		2		6
Interest Income Recognized, with an allowance for loan losses recorded	3	3	14	10
Cash Basis Interest Recognized, with no related allowance for loan losses recorded		2		6
Cash Basis Interest Recognized, with an allowance for loan losses recorded	2	$ 3	13	$ 10
C&I lending
Impaired loans by class of loans
Unpaid principal balance, with an allowance for loan losses recorded	100		100
Recorded investment, with an allowance for loan losses recorded	100		100
Allowance for Loan Losses	100		100
Average recorded investment, with an allowance for loan losses recorded	100		67
Interest Income Recognized, with an allowance for loan losses recorded	1		3
Cash Basis Interest Recognized, with an allowance for loan losses recorded	$ 1		$ 3

Loans - Investment in Nonaccrua

Loans - Investment in Nonaccrual and Loans Past Due Still Accruing by Class of Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Investment in nonaccrual and loans past due still accruing by class of loans
Nonaccrual	$ 279	$ 652
Loans Past Due Over 90 Days Still Accruing	77	131
Total Past Due	1,857	10,184
Loans Not Past Due	2,815,058	2,602,630
Total Loans	2,816,915	2,612,814
30 - 59 Days Past Due
Investment in nonaccrual and loans past due still accruing by class of loans
Total Past Due	906	9,009
60 - 89 Days Past Due
Investment in nonaccrual and loans past due still accruing by class of loans
Total Past Due	595	392
Greater than 89 Days Past Due
Investment in nonaccrual and loans past due still accruing by class of loans
Total Past Due	356	783
Construction loans
Investment in nonaccrual and loans past due still accruing by class of loans
Loans Not Past Due	177,734	192,319
Total Loans	177,734	192,319
Real Estate loans | Residential
Investment in nonaccrual and loans past due still accruing by class of loans
Total Loans	2,341,989	2,132,641
Real Estate loans | Commercial
Investment in nonaccrual and loans past due still accruing by class of loans
Total Loans	252,782	247,076
Real estate loan, First mortgage | Residential
Investment in nonaccrual and loans past due still accruing by class of loans
Nonaccrual	214	573
Loans Past Due Over 90 Days Still Accruing	77	131
Total Past Due	1,497	9,998
Loans Not Past Due	2,320,770	2,105,142
Total Loans	2,322,267	2,115,140
Real estate loan, First mortgage | Residential | 30 - 59 Days Past Due
Investment in nonaccrual and loans past due still accruing by class of loans
Total Past Due	906	8,902
Real estate loan, First mortgage | Residential | 60 - 89 Days Past Due
Investment in nonaccrual and loans past due still accruing by class of loans
Total Past Due	300	392
Real estate loan, First mortgage | Residential | Greater than 89 Days Past Due
Investment in nonaccrual and loans past due still accruing by class of loans
Total Past Due	291	704
Real estate loan, Second mortgage | Residential
Investment in nonaccrual and loans past due still accruing by class of loans
Total Past Due	295	107
Loans Not Past Due	19,427	17,394
Total Loans	19,722	17,501
Real estate loan, Second mortgage | Residential | 30 - 59 Days Past Due
Investment in nonaccrual and loans past due still accruing by class of loans
Total Past Due		107
Real estate loan, Second mortgage | Residential | 60 - 89 Days Past Due
Investment in nonaccrual and loans past due still accruing by class of loans
Total Past Due	295
Real estate loan, Retail | Commercial
Investment in nonaccrual and loans past due still accruing by class of loans
Nonaccrual	65	79
Total Past Due	65	79
Loans Not Past Due	10,062	10,530
Total Loans	10,127	10,609
Real estate loan, Retail | Commercial | Greater than 89 Days Past Due
Investment in nonaccrual and loans past due still accruing by class of loans
Total Past Due	65	79
Real estate loan, Apartments | Commercial
Investment in nonaccrual and loans past due still accruing by class of loans
Loans Not Past Due	64,994	59,582
Total Loans	64,994	59,582
Real estate loan, Offices | Commercial
Investment in nonaccrual and loans past due still accruing by class of loans
Loans Not Past Due	26,528	26,571
Total Loans	26,528	26,571
Real estate loan, Hotel | Commercial
Investment in nonaccrual and loans past due still accruing by class of loans
Loans Not Past Due	105,470	103,195
Total Loans	105,470	103,195
Real estate loan, Industrial | Commercial
Investment in nonaccrual and loans past due still accruing by class of loans
Loans Not Past Due	14,823	15,907
Total Loans	14,823	15,907
Real estate loan, Gas stations | Commercial
Investment in nonaccrual and loans past due still accruing by class of loans
Loans Not Past Due	988	1,067
Total Loans	988	1,067
Real estate loan, Other | Commercial
Investment in nonaccrual and loans past due still accruing by class of loans
Loans Not Past Due	29,852	30,145
Total Loans	29,852	30,145
Commercial and industrial loans, lines of credit
Investment in nonaccrual and loans past due still accruing by class of loans
Total Loans	44,375	40,749
Private banking
Investment in nonaccrual and loans past due still accruing by class of loans
Loans Not Past Due	24,839	22,898
Total Loans	24,839	22,898
C&I lending
Investment in nonaccrual and loans past due still accruing by class of loans
Loans Not Past Due	19,536	17,851
Total Loans	19,536	17,851
Other consumer loans | Consumer
Investment in nonaccrual and loans past due still accruing by class of loans
Loans Not Past Due	35	29
Total Loans	$ 35	$ 29

Loans - Troubled Debt Restructu

Loans - Troubled Debt Restructurings (Details) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2018USD ($)	Sep. 30, 2018USD ($)loan	Dec. 31, 2017USD ($)
Troubled Debt Restructurings
Loans classified as troubled debt restructurings	$ 5,744	$ 5,744	$ 3,073
Allowance for outstanding loan losses classified as troubled debt restructurings	$ 261	$ 261	$ 56
Number of TDRs subsequently defaulted | loan		0
Total outstanding recorded investment		$ 2,761
Extension of maturity term (in months)	7 months	7 months

Loans - Risk Rating of Loans by

Loans - Risk Rating of Loans by Class of Loans (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Recorded investment in loans
Total	$ 2,816,915		$ 2,816,915		$ 2,612,814
Portfolio loans sold during the period			352,141	$ 271,728
Gain on sale of portfolio loans	2,876	$ 4,568	11,885	$ 8,987
Pass
Recorded investment in loans
Total	2,789,477		2,789,477		2,589,151
Special Mention
Recorded investment in loans
Total	13,587		13,587		18,680
Substandard
Recorded investment in loans
Total	13,687		13,687		4,463
Doubtful
Recorded investment in loans
Total	164		164		520
Construction loans
Recorded investment in loans
Total	177,734		177,734		192,319
Construction loans | Pass
Recorded investment in loans
Total	158,972		158,972		177,241
Construction loans | Special Mention
Recorded investment in loans
Total	9,636		9,636		11,670
Construction loans | Substandard
Recorded investment in loans
Total	9,126		9,126		3,408
Real Estate loans | Residential
Recorded investment in loans
Total	2,341,989		2,341,989		2,132,641
Real Estate loans | Commercial
Recorded investment in loans
Total	252,782		252,782		247,076
Real estate loan, First mortgage | Residential
Recorded investment in loans
Total	2,322,267		2,322,267		2,115,140
Real estate loan, First mortgage | Pass | Residential
Recorded investment in loans
Total	2,321,998		2,321,998		2,114,511
Real estate loan, First mortgage | Substandard | Residential
Recorded investment in loans
Total	105		105		109
Real estate loan, First mortgage | Doubtful | Residential
Recorded investment in loans
Total	164		164		520
Real estate loan, Second mortgage | Residential
Recorded investment in loans
Total	19,722		19,722		17,501
Real estate loan, Second mortgage | Pass | Residential
Recorded investment in loans
Total	19,722		19,722		17,501
Real estate loan, Retail | Commercial
Recorded investment in loans
Total	10,127		10,127		10,609
Real estate loan, Retail | Pass | Commercial
Recorded investment in loans
Total	8,934		8,934		9,363
Real estate loan, Retail | Special Mention | Commercial
Recorded investment in loans
Total					1,167
Real estate loan, Retail | Substandard | Commercial
Recorded investment in loans
Total	1,193		1,193		79
Real estate loan, Apartments | Commercial
Recorded investment in loans
Total	64,994		64,994		59,582
Real estate loan, Apartments | Pass | Commercial
Recorded investment in loans
Total	63,906		63,906		58,472
Real estate loan, Apartments | Special Mention | Commercial
Recorded investment in loans
Total					1,110
Real estate loan, Apartments | Substandard | Commercial
Recorded investment in loans
Total	1,088		1,088
Real estate loan, Offices | Commercial
Recorded investment in loans
Total	26,528		26,528		26,571
Real estate loan, Offices | Pass | Commercial
Recorded investment in loans
Total	26,528		26,528		26,571
Real estate loan, Hotel | Commercial
Recorded investment in loans
Total	105,470		105,470		103,195
Real estate loan, Hotel | Pass | Commercial
Recorded investment in loans
Total	105,470		105,470		103,195
Real estate loan, Industrial | Commercial
Recorded investment in loans
Total	14,823		14,823		15,907
Real estate loan, Industrial | Pass | Commercial
Recorded investment in loans
Total	14,823		14,823		15,907
Real estate loan, Gas stations | Commercial
Recorded investment in loans
Total	988		988		1,067
Real estate loan, Gas stations | Pass | Commercial
Recorded investment in loans
Total	988		988		1,067
Real estate loan, Other | Commercial
Recorded investment in loans
Total	29,852		29,852		30,145
Real estate loan, Other | Pass | Commercial
Recorded investment in loans
Total	28,808		28,808		24,741
Real estate loan, Other | Special Mention | Commercial
Recorded investment in loans
Total					4,733
Real estate loan, Other | Substandard | Commercial
Recorded investment in loans
Total	1,044		1,044		671
Commercial and industrial loans, lines of credit
Recorded investment in loans
Total	44,375		44,375		40,749
Private banking
Recorded investment in loans
Total	24,839		24,839		22,898
Private banking | Pass
Recorded investment in loans
Total	24,661		24,661		22,702
Private banking | Substandard
Recorded investment in loans
Total	178		178		196
C&I lending
Recorded investment in loans
Total	19,536		19,536		17,851
C&I lending | Pass
Recorded investment in loans
Total	14,632		14,632		17,851
C&I lending | Special Mention
Recorded investment in loans
Total	3,951		3,951
C&I lending | Substandard
Recorded investment in loans
Total	953		953
Other consumer loans | Consumer
Recorded investment in loans
Total	35		35		29
Other consumer loans | Pass | Consumer
Recorded investment in loans
Total	35		$ 35		$ 29
Residential real estate mortgage loans
Recorded investment in loans
Portfolio loans sold during the period	$ 82,400	$ 148,600

Mortgage Servicing Rights - Pri

Mortgage Servicing Rights - Principle Balance by Category (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Mortgage Servicing Rights
Custodial escrow balances maintained on serviced loans	$ 16,566	$ 11,944
FNMA
Mortgage Servicing Rights
Principal balance of mortgage loan portfolios	82,477	73,039
FHLB
Mortgage Servicing Rights
Principal balance of mortgage loan portfolios	91,372	92,697
Private investors
Mortgage Servicing Rights
Principal balance of mortgage loan portfolios	$ 631,016	$ 442,984

Mortgage Servicing Rights - Act

Mortgage Servicing Rights - Activity and Related Valuation Allowance (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Mortgage servicing rights activity
Mortgage servicing rights Beginning of period	$ 9,313	$ 5,299	$ 6,706	$ 4,454
Additions	703	1,703	4,290	3,250
Amortization	(580)	(369)	(1,560)	(1,071)
Mortgage servicing rights End of period	9,436	6,633	9,436	6,633
Valuation allowance at beginning of period	18	120	210	40
Additions (recoveries)	7	58	(185)	138
Valuation allowance at end of period	25	178	25	178
Mortgage servicing rights, net	9,411	6,455	9,411	6,455	$ 6,496
Servicing fee income (expense), net of amortization of servicing rights and changes in the valuation allowance	$ 291	$ 70	$ 1,001	$ 191

Mortgage Servicing Rights - Val

Mortgage Servicing Rights - Valuation techniques (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Mortgage Servicing Rights
Fair value of mortgage servicing rights	$ 10,929	$ 7,086
Weighted average default rate	0.20%	0.20%
Minimum
Mortgage Servicing Rights
Discount rate range	9.50%	9.50%
Prepayment speed range	6.80%	6.80%
Maximum
Mortgage Servicing Rights
Discount rate range	12.00%	12.00%
Prepayment speed range	33.40%	36.00%

Deposits (Details)

Deposits (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Deposits
Interest-bearing time deposits	$ 795,437	$ 663,472
Brokered time deposits	33,750	156,084
Time deposits that meet or exceed the FDIC insurance limit of $250	$ 186,165	$ 129,101

Federal Home Loan Bank Borrow_3

Federal Home Loan Bank Borrowings (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Federal Home Loan Bank Borrowings
Short-term fixed rate advances	$ 138,000	$ 148,000
Short-term adjustable rate advances	7,000
Total short-term FHLB advances	145,000	148,000
Long-term fixed rate advances	190,000	190,000
Total FHLB advances	335,000	338,000
FHLB overdraft line of credit	$ 0	$ 0
Short term
Federal Home Loan Bank Borrowings
Short-term adjustable rate (as a percent)	2.54%
FHLB interest rates (as a percent)	2.24%
Minimum
Federal Home Loan Bank Borrowings
FHLB interest rates (as a percent)	0.98%	0.98%
Minimum | Short term
Federal Home Loan Bank Borrowings
FHLB interest rates (as a percent)		1.47%
Maximum
Federal Home Loan Bank Borrowings
FHLB interest rates (as a percent)	1.18%	1.18%
Maximum | Short term
Federal Home Loan Bank Borrowings
FHLB interest rates (as a percent)		1.56%

Federal Home Loan Bank Borrow_4

Federal Home Loan Bank Borrowings - FHLB Advances (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Federal Home Loan Bank Borrowings
Total FHLB advances	$ 335,000	$ 338,000
Additional borrowing capacity	285,000
Callable Option
Federal Home Loan Bank Borrowings
Total FHLB advances	157,000
Callable Option September, 2021
Federal Home Loan Bank Borrowings
Total FHLB advances	67,000
Callable Option October, 2021
Federal Home Loan Bank Borrowings
Total FHLB advances	$ 90,000

Federal Home Loan Bank Borrow_5

Federal Home Loan Bank Borrowings - FHLB Overdraft Line of Credit (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Federal Home Loan Bank Borrowings
FHLB line of credit agreement maximum borrowing limit	$ 50,000
FHLB overdraft line of credit average borrowings outstanding	4,246	$ 13,837
FHLB overdraft line of credit	$ 0		$ 0
FHLB overdraft line of credit (as percent)	2.54%		1.67%
FHLB, agreement term	1 year
Carrying value of loans pledged as collateral on FHLB borrowings	$ 964,300		$ 968,400

Federal Home Loan Bank Borrow_6

Federal Home Loan Bank Borrowings - Other Borrowings (Details) - Other Banks - USD ($) $ in Millions	Sep. 30, 2018	Dec. 31, 2017
Other Borrowings
Maximum borrowing capacity	$ 70
Outstanding balance	$ 0	$ 0

Subordinated Notes, net (Detail

Subordinated Notes, net (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Aug. 31, 2017	Sep. 30, 2016
Subordinated Notes, net
Total	$ 64,993		$ 64,993		$ 64,889
Interest expense	1,173	$ 1,067	3,516	$ 2,883
Subordinated notes
Subordinated Notes, net
7.0% fixed to floating rate subordinated notes	65,000		65,000		65,000
Unamortized note premium	547		547		588
Unamortized debt issuance costs	(554)		(554)		(699)
Total	64,993		$ 64,993		$ 64,889
Interest rate (as a percent)			7.00%
Interest expense	$ 1,173	$ 1,067	$ 3,516	$ 2,883
Redemption price percentage of outstanding principal amount			100.00%
Subordinated notes issued April through September, 2016 | Subordinated notes
Subordinated Notes, net
7.0% fixed to floating rate subordinated notes							$ 50,000
Unamortized debt issuance costs							$ (729)
Subordinated notes issued in August, 2017 | Subordinated notes
Subordinated Notes, net
7.0% fixed to floating rate subordinated notes						$ 15,000
Unamortized note premium						611
Unamortized debt issuance costs						$ (191)
LIBOR | Subordinated notes
Subordinated Notes, net
Variable interest rate on subordinate notes (in percent)			5.82%

Stock-based Compensation (Detai

Stock-based Compensation (Details) - 2017 Omnibus Equity Incentive Plan - USD ($) $ / shares in Units, $ in Thousands	Jul. 17, 2018	Mar. 21, 2018	Sep. 30, 2018	Sep. 30, 2018
Stock-based Compensation
Number of shares authorized			4,237,100	4,237,100
Stock Options
Stock-based Compensation
Percentage of awards vested in each of third and fourth year				50.00%
Maximum term of stock awards granted				10 years
Number of share instruments issued		92,625
Weighted average grant-date fair value		$ 4.56
Fair value assumptions used in Black-Scholes option pricing model
Exercise price of options		$ 13.73	$ 13.73	$ 13.73
Risk-free interest rate				2.80%
Expected term (in years)				6 years 9 months
Expected stock price volatility				23.70%
Dividend yield				0.29%
Number of Options
Granted				92,625
Outstanding at September 30, 2018			92,625	92,625
Weighted Average Exercise Price
Granted				$ 13.73
Outstanding at September 30, 2018			$ 13.73	$ 13.73
Outstanding share options
Weighted Average Remaining Contractual Term (Years)				9 years 5 months 19 days
Share-based compensation costs recognized			$ 27	$ 56
Total unrecognized compensation cost - stock options			$ 366	$ 366
Unrecognized cost expected to be recognized over a weighted-average period				3 years 5 months 19 days
Number of options exercisable			0	0
Restricted Stock
Stock-based Compensation
Number of share instruments issued		39,655
Outstanding share options
Weighted average grant-date fair value	$ 13.55
Share-based compensation costs recognized			$ 76	$ 132
Total unrecognized compensation cost - restricted stock awards			$ 531	$ 531
Unrecognized cost expected to be recognized over a weighted-average period				2 years 8 months 23 days
Key employees Restricted Stock Awards
Stock-based Compensation
Percentage of awards vested in each of third and fourth year		50.00%
Number of share instruments issued		33,100
Non-employee directors Restricted Stock Awards
Stock-based Compensation
Number of share instruments issued	9,320	6,555

Income Per Share (Details)

Income Per Share (Details) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended						9 Months Ended
	Sep. 30, 2017	Sep. 30, 2018USD ($)$ / sharesshares	Jun. 30, 2018USD ($)	Mar. 31, 2018USD ($)	Sep. 30, 2017USD ($)$ / sharesshares	Jun. 30, 2017USD ($)	Mar. 31, 2017USD ($)	Sep. 30, 2018USD ($)$ / sharesshares	Sep. 30, 2017USD ($)$ / sharesshares
Numerator:
Net income | $		$ 15,741	$ 15,982	$ 15,749	$ 12,092	$ 8,938	$ 10,416	$ 47,472	$ 31,446
Denominator:
Basic (in shares)		52,963,308			45,271,000			52,963,308	45,271,000
Weighted average effect of potentially dilutive common shares:
Weighted Average Number of Shares Outstanding, Diluted		52,966,593			45,271,000			52,965,089	45,271,000
Income per share:
Basic (in dollars per share) | $ / shares		$ 0.30			$ 0.27			$ 0.90	$ 0.69
Diluted (in dollars per share) | $ / shares		$ 0.30			$ 0.27			$ 0.90	$ 0.69
Number of dilutive securities outstanding (in shares)		52,966,593			45,271,000			52,965,089	45,271,000
Common stock
Income per share:
Stock split ratio	1,000
Common stock | Restricted Stock
Weighted average effect of potentially dilutive common shares:
Incremental shares from share-based compensation		3,285						1,781
Common stock | Stock Options
Income per share:
Potentially dilutive securities excluded from diluted per share calculation		92,625						92,625

Fair Values of Financial Inst_3

Fair Values of Financial Instruments - Assets measured at fair value on a recurring basis (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017	Sep. 30, 2017
Available for sale debt securities:
Available for sale debt securities, at fair value	$ 138,646	$ 122,621
Equity securities
Equity securities	3,857	3,981
Fair value of transfers between Levels
Transfers between Level 1 to Level 2 of fair value hierarchy, assets	0		$ 0
Transfers between Level 2 to Level 1 of fair value hierarchy, assets	0		$ 0
U.S. Treasury securities
Available for sale debt securities:
Available for sale debt securities, at fair value	136,646	120,042
U.S. Treasury securities | Recurring
Available for sale debt securities:
Available for sale debt securities, at fair value	136,646	120,042
U.S. Treasury securities | Level 1 | Recurring
Available for sale debt securities:
Available for sale debt securities, at fair value	136,646	120,042
Collateralized mortgage obligations
Available for sale debt securities:
Available for sale debt securities, at fair value	1,697	2,008
Collateralized mortgage obligations | Recurring
Available for sale debt securities:
Available for sale debt securities, at fair value	1,697	2,008
Collateralized mortgage obligations | Level 2 | Recurring
Available for sale debt securities:
Available for sale debt securities, at fair value	1,697	2,008
Collateralized debt obligations
Available for sale debt securities:
Available for sale debt securities, at fair value	303	571
Collateralized debt obligations | Recurring
Available for sale debt securities:
Available for sale debt securities, at fair value	303	571
Collateralized debt obligations | Level 3 | Recurring
Available for sale debt securities:
Available for sale debt securities, at fair value	303	571
Equity securities | Recurring
Equity securities
Equity securities	3,857	4,227
Equity securities | Level 1 | Recurring
Equity securities
Equity securities	$ 3,857	3,981
Equity securities | Level 3 | Recurring
Equity securities
Equity securities		$ 246

Fair Values of Financial Inst_4

Fair Values of Financial Instruments - Reconciliation and income statement classification using Level 3 inputs (Details) - Recurring - Level 3 - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Collateralized debt obligations
Reconciliation and income statement classification of gains and losses for all assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3)
Balance of recurring Level 3 assets at January 1	$ 571	$ 585
Included in other comprehensive income (loss)	28	(10)
Principal maturities/settlements	(296)	(4)
Balance of recurring Level 3 assets at end of period	303	571
Investment income
Unrealized losses on investments	6	35
Interest income	13	21
Equity securities
Reconciliation and income statement classification of gains and losses for all assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3)
Balance of recurring Level 3 assets at January 1	$ 246	529
Principal maturities/settlements		(283)
Balance of recurring Level 3 assets at end of period		246
Investment income
Unrealized losses on investments		0
Dividend income		$ 15

Fair Values of Financial Inst_5

Fair Values of Financial Instruments - Quantitative information about recurring Level 3 fair value measurements (Details) $ in Thousands	Sep. 30, 2018USD ($)item	Dec. 31, 2017USD ($)item
Unobservable inputs
Available for sale debt securities, at fair value	$ 138,646	$ 122,621
Collateralized debt obligations
Unobservable inputs
Available for sale debt securities, at fair value	303	571
Collateralized debt obligations | Recurring
Unobservable inputs
Available for sale debt securities, at fair value	303	571
Collateralized debt obligations | Level 3 | Recurring
Unobservable inputs
Available for sale debt securities, at fair value	303	571
Collateralized debt obligations | Level 3 | Recurring | Discounted cash flow
Unobservable inputs
Available for sale debt securities, at fair value	$ 303	$ 571
Collateralized debt obligations | Level 3 | Recurring | Discounted cash flow | Collateral default rate
Unobservable inputs
Debt securities measurement input | item	0	0
Collateralized debt obligations | Level 3 | Recurring | Discounted cash flow | Recovery probability
Unobservable inputs
Debt securities measurement input | item	0	0.15

Fair Values of Financial Inst_6

Fair Values of Financial Instruments - Carrying amounts and estimated fair values of financial instruments not carried at fair value (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2018	Jun. 30, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Dec. 31, 2016
Financial Assets
Impaired loans with a valuation allowance.	$ 2,761	$ 2,761
Allowance for loan losses	20,765	20,765	$ 20,300	$ 18,457	$ 17,189	$ 16,246	$ 14,822
Increase/(decrease) to provision for loan losses	(27)	178
Nonrecurring | Impaired loans, construction | Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets measured at fair value on a non-recurring basis	2,583	2,583
Carrying value per balance sheet
Financial Assets
Cash and due from banks	48,879	48,879		40,147
Mortgage loans held for sale	113,805	113,805		112,866
Loans, net	2,793,567	2,793,567		2,594,357
Financial Liabilities
Time deposits	795,437	795,437		663,472
Federal Home Loan Bank borrowings	335,000	335,000		338,000
Subordinated notes, net	64,993	64,993		64,889
Carrying value per balance sheet | Nonrecurring | Impaired loans, construction
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets measured at fair value on a non-recurring basis	2,583	2,583
Estimated fair value
Financial Assets
Cash and due from banks	48,879	48,879		40,147
Mortgage loans held for sale	116,839	116,839		115,619
Loans, net	2,878,717	2,878,717		2,635,986
Financial Liabilities
Time deposits	794,186	794,186		660,380
Federal Home Loan Bank borrowings	324,185	324,185		330,004
Subordinated notes, net	66,625	66,625		67,485
Estimated fair value | Level 1
Financial Assets
Cash and due from banks	48,879	48,879		40,147
Estimated fair value | Level 2
Financial Assets
Mortgage loans held for sale	116,839	116,839		115,619
Financial Liabilities
Time deposits	794,186	794,186		660,380
Federal Home Loan Bank borrowings	324,185	324,185		330,004
Subordinated notes, net	66,625	66,625		67,485
Estimated fair value | Level 3
Financial Assets
Loans, net	$ 2,878,717	$ 2,878,717		$ 2,635,986

Fair Values of Financial Inst_7

Fair Values of Financial Instruments - Quantitative information about non-recurring Level 3 fair value measurements (Details) - Level 3 - Impaired loans, construction - Nonrecurring $ in Thousands	Sep. 30, 2018USD ($)item
Unobservable inputs
Assets measured at fair value on a non-recurring basis	$ 2,583
Sales comparison approach
Unobservable inputs
Assets measured at fair value on a non-recurring basis	$ 2,583
Sales comparison approach | Management discount for property type and recent market volatility
Unobservable inputs
Assets measured at fair value, measurement input | item	0.10

Income Taxes - Tax Cut and Jobs

Income Taxes - Tax Cut and Jobs Act (Details) - USD ($) $ in Millions	Jan. 01, 2018	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Income Taxes
Federal statutory tax rate (as a percentage)	21.00%	21.00%	35.00%	21.00%	35.00%	35.00%
Deferred income tax expense due to effect of the Tax Act						$ 3.3

Income Taxes - Reconciliation o

Income Taxes - Reconciliation of income tax rate (Details)	Jan. 01, 2018	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Reconciliation of U.S. federal statutory tax rate and effective income tax rate
U.S. federal statutory rate (as a percentage)	21.00%	21.00%	35.00%	21.00%	35.00%	35.00%
Effect of:
State taxes, net of federal benefit (as a percentage)		7.80%	6.10%	7.80%	6.00%
Loss incurred by pass-through entity (as a percentage)					0.20%
Income on cash surrender value of bank-owned life insurance (as a percentage)		(0.20%)	(0.30%)	(0.20%)	(0.30%)
Effective tax rate (as a percentage)		28.60%	40.80%	28.60%	40.90%

Regulatory Capital Requiremen_3

Regulatory Capital Requirements - Capital adequacy requirements (Details)	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2019	Dec. 31, 2015	Dec. 31, 2017
Regulatory Capital Requirements
Capital conservation buffer (as a percent)	1.875%		0.00%
Total Capital Weighted Assets
Well Capitalized (as a percent)	10.00%
Adequately Capitalized (as a percent)	8.00%			8.00%
Undercapitalized (as a percent)	6.00%
Tier 1 Capital Weighted Assets
Well Capitalized (as a percent)	8.00%
Adequately Capitalized (as a percent)	6.00%			6.00%
Undercapitalized (as a percent)	4.00%
Tier 1 Capital to Average Assets
Well Capitalized (as a percent)	5.00%
Adequately Capitalized (as a percent)	4.00%			4.00%
Undercapitalized (as a percent)	3.00%
Common Tier 1 (CET1)
Well Capitalized (as a percent)	6.50%
Adequately Capitalized (as a percent)	4.50%			4.50%
Undercapitalized (as a percent)	3.00%
Forecast
Regulatory Capital Requirements
Capital conservation buffer (as a percent)		2.50%

Regulatory Capital Requiremen_4

Regulatory Capital Requirements - Actual and minimum required capital amounts and ratios and Dividend Restrictions (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Total adjusted capital to risk-weighted assets, Amount
Actual	$ 404,686	$ 365,078
For Capital Adequacy Purposes	$ 154,130	$ 140,447
Total adjusted capital to risk-weighted assets, Ratio
Actual (as a percent)	21.00%	20.28%
For Capital Adequacy Purposes (as a percent)	8.00%	8.00%
To be Well Capitalized (as a percent)	10.00%
Tier 1 (core) capital to risk-weighted assets, Amount
Actual	$ 318,927	$ 272,732
For Capital Adequacy Purposes	$ 115,598	$ 105,336
Tier 1 (core) capital to risk-weighted assets, Ratio
Actual (as a percent)	16.55%	15.53%
For Capital Adequacy Purposes (as a percent)	6.00%	6.00%
To be Well Capitalized (as a percent)	8.00%
Common Tier 1 (CET1), Amount
Actual	$ 318,927	$ 272,732
For Capital Adequacy Purposes	$ 86,698	$ 79,002
Common Tier 1 (CET1), Ratio
Actual (as a percent)	16.55%	15.53%
For Capital Adequacy Purposes (as a percent)	4.50%	4.50%
To be Well Capitalized (as a percent)	6.50%
Tier 1 (core) capital to adjusted tangible assets, Amount
Actual	$ 318,927	$ 272,732
For Capital Adequacy Purposes	$ 127,081	$ 110,949
Tier 1 (core) capital to adjusted tangible assets, Ratio
Actual (as a percent)	10.04%	9.83%
For Capital Adequacy Purposes (as a percent)	4.00%	4.00%
To be Well Capitalized (as a percent)	5.00%
Dividend Restrictions
Consolidated retained earnings available to pay dividends	$ 160,000
Minimum percentage of assets be maintained as per Qualified Thrift Lender ("QTL") test	65.00%
Bank
Total adjusted capital to risk-weighted assets, Amount
Actual	$ 308,063	$ 259,165
For Capital Adequacy Purposes	154,128	140,447
To be Well Capitalized	$ 192,660	$ 175,559
Total adjusted capital to risk-weighted assets, Ratio
Actual (as a percent)	15.99%	14.76%
For Capital Adequacy Purposes (as a percent)	8.00%	8.00%
To be Well Capitalized (as a percent)	10.00%	10.00%
Tier 1 (core) capital to risk-weighted assets, Amount
Actual	$ 287,298	$ 240,708
For Capital Adequacy Purposes	115,596	105,336
To be Well Capitalized	$ 154,128	$ 140,447
Tier 1 (core) capital to risk-weighted assets, Ratio
Actual (as a percent)	14.91%	13.71%
For Capital Adequacy Purposes (as a percent)	6.00%	6.00%
To be Well Capitalized (as a percent)	8.00%	8.00%
Common Tier 1 (CET1), Amount
Actual	$ 287,298	$ 240,708
For Capital Adequacy Purposes	86,697	79,002
To be Well Capitalized	$ 125,229	$ 114,114
Common Tier 1 (CET1), Ratio
Actual (as a percent)	14.91%	13.71%
For Capital Adequacy Purposes (as a percent)	4.50%	4.50%
To be Well Capitalized (as a percent)	6.50%	6.50%
Tier 1 (core) capital to adjusted tangible assets, Amount
Actual	$ 287,298	$ 240,708
For Capital Adequacy Purposes	127,080	110,949
To be Well Capitalized	$ 158,850	$ 138,687
Tier 1 (core) capital to adjusted tangible assets, Ratio
Actual (as a percent)	9.04%	8.68%
For Capital Adequacy Purposes (as a percent)	4.00%	4.00%
To be Well Capitalized (as a percent)	5.00%	5.00%

Related Party Transactions (Det

Related Party Transactions (Details) - USD ($) $ in Thousands	Apr. 24, 2017	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Charitable donation to foundation | Board of Directors
Related party transactions
Amount of related party transaction, expense		$ 225	$ 225	$ 675	$ 675
Lease of storage and office space | Principal Shareholder
Related party transactions
Amount of related party transaction, expense		15	16	49	35
Data processing and programming services provided | Principal Shareholder
Related party transactions
Amount of related party transaction, revenue		$ 33	$ 27	87	$ 75
Quantum Fund, LLC | Board of Directors
Related party transactions
Equity interest of acquired entity that is owned by a member of the Board of Directors of the Company and Bank (as a percent)	20.00%
Quantum Fund, LLC | Principal Shareholder
Related party transactions
Equity interest of acquired entity that is owned by the principal shareholder of the Company and Bank (as a percent)	80.00%
Quantum Fund, LLC | Business acquired, owned by principal shareholder and board member | Board of Directors
Related party transactions
Equity interest of acquired entity that is owned by a member of the Board of Directors of the Company and Bank (as a percent)	20.00%
Compensation related expenses to related party				$ 125
Quantum Fund, LLC | Business acquired, owned by principal shareholder and board member | Principal Shareholder
Related party transactions
Equity interest of acquired entity that is owned by the principal shareholder of the Company and Bank (as a percent)	80.00%

Commitments and Contingencies_2

Commitments and Contingencies (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Commitments and Contingencies
Rent expense	$ 1,080	$ 903	$ 2,949	$ 2,603
Commitment to make loans
Commitments and Contingencies
Face amount	291,788		291,788		$ 268,401
Unused lines of credit
Commitments and Contingencies
Face amount	170,380		170,380		157,234
Standby letters of credit
Commitments and Contingencies
Face amount	$ 70		70		$ 70
Real Estate loans | Residential | Unfunded Commitments to Extend Credit
Commitments and Contingencies
Outstanding commitments regarding fixed rate loans			15,042
Outstanding commitments with varying interest rates			$ 276,746
Real Estate loans | Residential | Minimum | Unfunded Commitments to Extend Credit
Commitments and Contingencies
Fixed interest rate (as a percent)	4.00%		4.00%
Variable interest rate (as a percentage)			3.875%
Maturity period			10 years
Maturity period for variable interest loans			1 year
Real Estate loans | Residential | Maximum | Unfunded Commitments to Extend Credit
Commitments and Contingencies
Fixed interest rate (as a percent)	7.50%		7.50%
Variable interest rate (as a percentage)			7.625%
Maturity period			30 years
Maturity period for variable interest loans			30 years

Subsequent Events - (Details)

Subsequent Events - (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Nov. 30, 2018	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Subsequent events
Proceeds from the sale of portfolio loans				$ 352,141	$ 271,728
Gain on sale of portfolio loans		$ 2,876	$ 4,568	$ 11,885	$ 8,987
Residential real estate mortgage loans
Subsequent events
Proceeds from the sale of portfolio loans		$ 82,400	$ 148,600
Subsequent Events | Residential real estate mortgage loans
Subsequent events
Proceeds from the sale of portfolio loans	$ 43,500
Gain on sale of portfolio loans	$ 1,600