Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Operating activities:
Net income	$ 18,020	$ 6,572	$ 13,459
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	3,220	2,771	2,666
Deferred income taxes	632	9,405	(23)
Provision for loan losses	11,006	16,435	18,040
Provision for indemnifications	52	186	290
Provision for other real estate owned losses			135
Share-based compensation	1,345	1,451	1,218
Pension expense	403	627	656
Pension contribution	(3,000)	(1,500)	(1,000)
Net accretion of certain acquisition-related discounts	(3,034)	(1,706)	(3,106)
Accretion of discounts and amortization of premiums on securities, net	1,783	1,676	1,456
Amortization of intangible assets	451	676	754
Net realized gains on calls of securities available for sale	(10)	(10)	(52)
Net realized losses (gains) on sales of other real estate owned	2	(10)	(134)
Net realized gains on sale of corporate premises and equipment	(204)	(45)	(246)
Income from bank-owned life insurance	(424)	(433)	(927)
Origination of loans held for sale	(699,028)	(744,780)	(674,317)
Proceeds from sales of loans held for sale	720,358	749,976	674,410
Gains on sales of loans held for sale	(7,841)	(8,553)	(8,120)
Change in other assets and liabilities:
Accrued interest receivable	153	(328)	(432)
Other assets	3,481	(3,900)	(1,558)
Accrued interest payable	82	135	5
Other liabilities	(325)	(2,870)	3,803
Net cash provided by operating activities	47,122	25,775	26,977
Investing activities:
Proceeds from maturities and calls of securities available for sale and payments on mortgage-backed securities	51,067	41,520	57,355
Purchases of securities available for sale	(51,322)	(53,461)	(52,547)
Net proceeds from sales (purchases) of restricted stock	51	(40)	(58)
Purchases of loans held for investment by non-bank affiliates	(133,484)	(121,644)	(145,377)
Repayments on loans held for investment by non-bank affiliates	117,014	117,018	118,500
Net increase in retail banking loans held for investment	(27,720)	(39,659)	(83,870)
Other real estate owned improvements			(20)
Proceeds from sales of other real estate owned	18	245	1,384
Purchases of corporate premises and equipment	(3,374)	(4,180)	(2,708)
Proceeds from sales of corporate premises and equipment	227	289	1,017
Net cash used in investing activities	(47,523)	(59,912)	(106,324)
Financing activities:
Net increase in demand, interest-bearing demand and savings deposits	11,625	47,970	41,605
Net (decrease) increase in time deposits	(1,393)	3,538	4,683
Net (decrease) increase in short-term borrowings	(5,705)	3,257	(12,730)
Proceeds from long-term borrowings			7,500
Repayments of long-term borrowings	(2,500)		(7,500)
Issuance of common stock	144	147	149
Purchase of common stock, excluding shares withheld to pay taxes	(1,105)
Proceeds from exercise of stock options		84	362
Cash dividends paid	(4,931)	(4,637)	(4,464)
Other financing activities	(144)
Net cash (used in) provided by financing activities	(4,009)	50,359	29,605
Net (decrease) increase in cash and cash equivalents	(4,410)	16,222	(49,742)
Cash and cash equivalents at beginning of period	119,423	103,201	152,943
Cash and cash equivalents at end of period	115,013	119,423	103,201
Supplemental disclosure
Interest paid	10,909	9,430	8,927
Income taxes paid	821	5,133	2,311
Supplemental disclosure of noncash investing and financing activities
Unrealized losses on securities available for sale	(2,548)	(1,325)	(3,238)
Transfers from loans to other real estate owned	(98)	(208)	(618)
Value of shares withheld at vesting for employee taxes	432	560	414
Unrealized gains on cash flow hedging instruments	$ 123	$ 223	$ 119