CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY (Unaudited) (USD $) In Thousands, except Share data	Total	Common Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]
Balance at Dec. 31, 2013	$ 175,074	$ 174,719	$ 81,515	$ (41,665)	$ (39,495)
Balance, shares at Dec. 31, 2013		50,339,089
Net income	2,094		2,094
Comprehensive income	12,568			12,568
Stock option exercises, net value	8		(33)		41
Stock option exercises, net shares		4,000
Stock option expenses, net	6	6
Restricted stock grants, value		(394)	(748)		1,142
Restricted stock grants, shares		109,849
Restricted stock forfeitures, value	(100)	12	19		(131)
Restricted stock forfeitures, shares		(30,777)
Restricted stock amortization	179	179
Balance at Mar. 31, 2014	189,829	174,522	82,847	(29,097)	(38,443)
Balance, shares at Mar. 31, 2014		50,422,161
Balance at Dec. 31, 2014	240,135	174,385	128,512	(19,998)	(42,764)
Balance, shares at Dec. 31, 2014		49,239,004
Net income	3,686		3,686
Comprehensive income	3,890			3,890
Stock option exercises, net value	16		(54)		70
Stock option exercises, net shares	8,000	8,000
Stock option expenses, net	6	6
Restricted stock grants, value		(664)	(427)		1,091
Restricted stock grants, shares		125,026
Restricted stock forfeitures, value	(32)	6	14		(52)
Restricted stock forfeitures, shares		(8,091)
Restricted stock amortization	190	190
Cash dividend payments	(493)		(493)
Treasury stock purchases	(294)				(294)
Treasury stock purchases, shares		(54,527)
Balance at Mar. 31, 2015	$ 247,104	$ 173,923	$ 131,238	$ (16,108)	$ (41,949)
Balance, shares at Mar. 31, 2015		49,309,412