Consolidated Statements of Changes in Shareholders’ Equity - USD ($) $ in Thousands	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance at Dec. 31, 2012	$ 29,537	$ 934	$ 50,934	$ 79,747	$ 6,869	$ 168,021
Balance (in Shares) at Dec. 31, 2012		7,470,000
Net income				13,446		13,446
Other comprehensive income (loss)					(10,081)	(10,081)
Cash dividends declared-preferred				(1,500)		(1,500)
Preferred stock discount accretion	451			(451)
Shares issued pursuant to employee stock purchase plan		$ 1	132			$ 133
Shares issued pursuant to employee stock purchase plan (in Shares)		9,000				8,893
Expense related to employee stock purchase plan			36			$ 36
Balance at Dec. 31, 2013	29,988	$ 935	51,102	91,242	(3,212)	170,055
Balance (in Shares) at Dec. 31, 2013		7,479,000
Net income				16,459		16,459
Other comprehensive income (loss)					8,087	8,087
Cash dividends declared-preferred				(1,915)		(1,915)
Preferred stock discount accretion	12			(12)
Redemption of preferred stock	(20,000)					(20,000)
Shares issued under director compensation plan			82			82
Shares issued under director compensation plan (in Shares)		3,000
Shares issued pursuant to employee stock purchase plan		$ 1	128			$ 129
Shares issued pursuant to employee stock purchase plan (in Shares)		7,000				6,894
Expense related to employee stock purchase plan			32			$ 32
Balance at Dec. 31, 2014	10,000	$ 936	51,344	105,774	4,875	172,929
Balance (in Shares) at Dec. 31, 2014		7,489,000
Net income				14,992		14,992
Other comprehensive income (loss)					(2,093)	(2,093)
Cash dividends declared-preferred				(395)		(395)
Redemption of preferred stock	$ (10,000)					(10,000)
Shares issued under director compensation plan			104			104
Shares issued under director compensation plan (in Shares)		4,000
Shares issued pursuant to employee stock purchase plan		$ 1	129			$ 130
Shares issued pursuant to employee stock purchase plan (in Shares)		7,000				6,329
Expense related to employee stock purchase plan			31			$ 31
Balance at Dec. 31, 2015		$ 937	$ 51,608	$ 120,371	$ 2,782	$ 175,698
Balance (in Shares) at Dec. 31, 2015		7,500,000