Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Operating activities:
Net income	$ 13,459	$ 12,530	$ 12,344
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	2,573	2,511	2,739
Deferred income taxes	(23)	1,378	2,247
Provision for loan losses	18,040	15,512	16,330
Provision for indemnifications	290	274	240
Provision for other real estate owned losses	135	90	29
Share-based compensation	1,218	1,231	1,104
Net accretion of certain acquisition-related fair value adjustments	(1,446)	(1,918)	(2,969)
Accretion of discounts and amortization of premiums on securities, net	1,458	1,551	1,406
Realized gains on sales and calls of securities	(52)	(29)	(29)
Net realized gains on sales of other real estate owned	(134)	(242)	(354)
Net realized gains on sale of corporate premises and equipment	(246)	(26)	(96)
Income from bank-owned life insurance	(927)	(454)	(497)
Origination of loans held for sale	(674,317)	(549,287)	(478,641)
Proceeds from sales of loans held for sale	674,410	539,902	491,327
Gains on sales of loans held for sale	(8,120)	(6,336)	(5,086)
Change in other assets and liabilities:
Accrued interest receivable	(432)	(408)	(61)
Other assets	(3,637)	(2,429)	(1,283)
Accrued interest payable	5	(42)	(103)
Other liabilities	4,991	1,524	(4,470)
Net cash provided by operating activities	27,245	15,332	34,177
Investing activities:
Proceeds from maturities, calls and sales of securities available for sale	57,355	36,450	38,660
Purchases of securities available for sale	(52,547)	(37,211)	(36,246)
Net (redemptions) issuance of restricted stocks	(58)	97	894
Purchase of loan portfolio		(16,258)
Net increase in loans	(110,601)	(65,639)	(30,288)
Other real estate owned improvements	(20)
Proceeds from sales of other real estate owned	1,384	706	4,382
Purchases of corporate premises and equipment, net	(1,691)	(1,808)	(1,815)
Net cash used in investing activities	(106,178)	(83,663)	(24,413)
Financing activities:
Net increase in demand, interest-bearing demand and savings deposits	41,605	74,307	51,185
Net increase (decrease) in time deposits	4,683	(26,450)	(32,258)
Net (decrease) increase in borrowings	(12,730)	10,198	(2,844)
Repurchase of common stock warrant			(2,303)
Issuance of common stock	149	135	133
Purchase of common stock, including shares withheld to pay taxes	(414)	(1,687)	(161)
Proceeds from exercise of stock options	362	1,303	11
Cash dividends	(4,464)	(4,148)	(4,050)
Net cash provided by financing activities	29,191	53,658	9,713
Net (decrease) increase in cash and cash equivalents	(49,742)	(14,673)	19,477
Cash and cash equivalents at beginning of year	152,943	167,616	148,139
Cash and cash equivalents at end of year	103,201	152,943	167,616
Supplemental disclosure
Interest paid	8,927	9,026	9,710
Income taxes paid	2,311	560	3,577
Supplemental disclosure of noncash investing and financing activities
Unrealized (losses) gains on securities available for sale	(3,238)	(2,090)	7,059
Transfers from loans to other real estate owned	618	824	1,960
Pension adjustment	(189)	(789)	(2,116)
Unrealized gains (losses) on cash flow hedging instruments	$ 119	$ (72)	$ 227