Consolidated Statement of Shareholders' Equity (USD $) In Thousands, except Share data	Total	Preferred Stock [Member]	Common Shares [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]
Balance at Dec. 31, 2011	$ 188,745		$ 128,031	$ 110,681	$ 5,032	$ (54,999)
Balance, Shares at Dec. 31, 2011			32,597,762
Net income	(23,033)			(23,033)
Other comprehensive loss / income	5,271				5,271
Stock option expenses	8		8
Restricted stock awards	589		189	(2,870)		3,270
Restricted stock awards, Shares			293,733
Balance at Sep. 30, 2012	171,580		128,228	84,778	10,303	(51,729)
Balance, Shares at Sep. 30, 2012			32,891,495
Balance at Dec. 31, 2012	170,760		128,026	86,345	6,682	(50,293)
Balance, Shares at Dec. 31, 2012			33,027,886
Net income	7,788			7,788
Other comprehensive loss / income	(38,006)				(38,006)
Stock option exercises	155			(1,051)		1,206
Stock option exercises, Shares	123,600		104,142
Stock option expenses	15		15
Restricted stock awards	260		218	9		33
Restricted stock awards, Shares			3,066
Issuance of common stock, net of issuance costs of $4,649	20,509		18,431	(5,880)		7,958
Issuance of common stock, net of issuance costs of $4,649, Shares			9,148,273
Issuance preferred stock	21,841	15,090	6,751
Issuance of preferred stock, Shares		7,942
Amortization of preferred stock discount		6,751		(6,751)
Conversion of preferred stock to common stock	21,841	(21,841)	21,841
Conversion of preferred stock to common stock, Shares	7,942,000	(7,942)	7,942,000
Balance at Sep. 30, 2013	$ 183,322		$ 175,282	$ 80,460	$ (31,324)	$ (41,096)
Balance, Shares at Sep. 30, 2013			50,225,367