Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - 3 months ended Mar. 31, 2017 - USD ($) $ in Thousands	Total	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Beginning Balances at Dec. 31, 2016	$ 340,855	$ 182,326	$ 164,173	$ (5,644)
Net Income	8,224		8,224
Other comprehensive income (loss), net of tax	1,867			1,867
Amortization of unearned compensation	(34)	(34)
Exercise of stock options	34	34
Stock option expense	76	76
Cash dividends on common stock	(2,447)		(2,447)
Ending Balances at Mar. 31, 2017	$ 348,575	$ 182,402	$ 169,950	$ (3,777)