CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (USD $) In Thousands	Total	Common Stock [Member]	Preferred Stock [Member]	Paid-in Capital/Warrants [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Beginning Balance at Dec. 31, 2011	$ 170,077	$ 1,894	$ 47,497	$ 229,623	$ (114,152)	$ (13)	$ 5,228
Beginning Balance, shares at Dec. 31, 2011		18,937	2
Comprehensive income	(2,800)	0	0	0	(710)	0	(2,090)
Cash dividends on preferred shares	(2,500)	0	0	0	(2,500)	0	0
Stock based compensation expense	796	0	0	796	0	0	0
Common stock issued for stock based employee benefit plans	54	3	0	100	0	(49)	0
Common stock issued for stock based employee benefit plans, shares		30	0
Purchase of stock warrant	(81)	0	0	(81)	0	0	0
Other	0	0	1,249	0	(1,249)	0	0
Ending Balance at Dec. 31, 2012	165,546	1,897	48,746	230,438	(118,611)	(62)	3,138
Ending Balance, shares at Dec. 31, 2012		18,967	2
Comprehensive income	38,507	0	0	0	51,989	0	(13,482)
Cash dividends on preferred shares	(2,819)	0	0	0	(2,819)	0	0
Stock based compensation expense	246	0	0	246	0	0	0
Common stock issued for stock based employee benefit plans	148	2	0	95	0	51	0
Common stock issued for stock based employee benefit plans, shares		19	0
Issuance of common stock, net of related expense	46,976	465	0	46,511	0	0	0
Issuance of common stock, net of related expense, shares		4,652	0
Redemption of preferred stock	(50,000)	0	(50,000)	0	0	0	0
Redemption of preferred stock, shares		0	(2)
Other	0	0	1,254	0	(1,254)	0	0
Ending Balance at Dec. 31, 2013	198,604	2,364	0	277,290	(70,695)	(11)	(10,344)
Ending Balance, shares at Dec. 31, 2013		23,638	0
Comprehensive income	11,213	0	0	0	5,696	0	5,517
Stock based compensation expense	1,299	0	0	1,299	0	0	0
Common stock issued for stock based employee benefit plans	112	1	0	171	0	(60)	0
Common stock issued for stock based employee benefit plans, shares		147	0
Issuance of common stock, net of related expense	24,637	233	0	24,404	0	0	0
Issuance of common stock, net of related expense, shares		2,326	0
Issuance of common stock, pursuant to acquisition	76,787	702	0	76,085	0	0	0
Issuance of common stock, pursuant to acquisition, shares		7,026	0
Other	0	0	0	0	(1)	0	0
Ending Balance at Dec. 31, 2014	$ 312,651	$ 3,300	$ 0	$ 379,249	$ (65,000)	$ (71)	$ (4,827)
Ending Balance, shares at Dec. 31, 2014		33,137	0