CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (USD $) In Thousands, unless otherwise specified	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]	Unearned Stock Grant Compensation [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2012	$ 70	$ 22,401	$ 57,180	$ 8,621	$ 19,571	$ 0	$ (2,107)	$ 105,736
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	0	0	0	11,022	0	0	0	11,022
Other comprehensive income (loss), net of tax	0	0	0	0	(13,367)	0	0	(13,367)
Preferred stock redeemed	(5)	0	(495)	0	0	0	0	(500)
Dividends on common stock	0	0	0	(423)	0	0	0	(423)
Dividends on preferred stock	0	0	0	(482)	0	0	0	(482)
Restricted stock grants	0	0	393	0	0	(704)	311	0
Amortization of unearned compensation	0	0	0	0	0	219	0	219
Purchase of shares for treasury	0	0	0	0	0	0	(1,416)	(1,416)
Issuance of shares under stock plans	0	0	25	0	0	0	113	138
Balance at Dec. 31, 2013	65	22,401	57,103	18,738	6,204	(485)	(3,099)	100,927
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	0	0	0	4,430	0	0	0	4,430
Other comprehensive income (loss), net of tax	0	0	0	0	3,075	0	0	3,075
Preferred stock redeemed	(10)	0	(990)	0	0	0	0	(1,000)
Dividends on common stock	0	0	0	(834)	0	0	0	(834)
Dividends on preferred stock	0	0	0	(468)	0	0	0	(468)
Restricted stock grants	0	0	328	0	0	(559)	231	0
Amortization of unearned compensation	0	0	0	0	0	584	0	584
Purchase of shares for treasury	0	0	0	0	0	0	(2,603)	(2,603)
Issuance of shares under stock plans	0	0	50	0	0	0	34	84
Balance at Dec. 31, 2014	$ 55	$ 22,401	$ 56,491	$ 21,866	$ 9,279	$ (460)	$ (5,437)	$ 104,195