Business Segment Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended					12 Months Ended			36 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012 Segments		Jun. 30, 2011	Dec. 31, 2009		Dec. 31, 2011		Dec. 31, 2010	Jun. 30, 2012
Segment Reporting Information
Number of Reportable Segments			2
Segment Reporting Information, Profit (Loss)
Interest income	$ 19,744	$ 22,729	$ 40,734		$ 46,023
Interest expense	4,586	6,839	9,684		14,747
Net interest income	15,158	15,890	31,050		31,276
Provision for loan losses	2,218	10,393	4,569		15,260
Net interest income (loss) after provision for loan losses	12,940	5,497	26,481		16,016
Other income	4,440	4,278	7,981		9,345
Other expense	15,766	24,958	29,376		41,839
Income (loss) before income taxes	1,614	(15,183)	5,086	[1]	(16,478)	(66,429)	[2]	(7,701)		(1,402)	(70,446)
Income taxes	(9,383)	5,030	(9,383)		4,521
Net income (loss)	10,997	(20,213)	14,469		(20,999)
Segment Reporting Information, Balance Sheet Data
Total assets	1,945,339	2,081,042	1,945,339		2,081,042			1,993,188	[3]		1,945,339
Net loans	1,343,584	1,468,615	1,343,584		1,468,615			1,418,076	[3]		1,343,584
Loans held for sale	24,867	27,737	24,867		27,737			19,534	[3]		24,867
Goodwill		0			0
Bank Activities
Segment Reporting Information, Profit (Loss)
Interest income	19,592	22,754	40,403		45,951
Interest expense	4,362	6,528	9,230		14,154
Net interest income	15,230	16,226	31,173		31,797
Provision for loan losses	2,242	10,391	4,588		15,240
Net interest income (loss) after provision for loan losses	12,988	5,835	26,585		16,557
Other income	2,726	2,848	5,074		5,372
Other expense	14,554	16,575	27,191		30,785
Income (loss) before income taxes	1,160	(7,892)	4,468		(8,856)
Income taxes	(9,383)	5,030	(9,383)		4,521
Net income (loss)	10,543	(12,922)	13,851		(13,377)
Segment Reporting Information, Balance Sheet Data
Total assets	1,923,535	2,059,918	1,923,535		2,059,918						1,923,535
Net loans	1,343,584	1,468,615	1,343,584		1,468,615						1,343,584
Loans held for sale	6,701	376	6,701		376						6,701
Goodwill		0			0
Mortgage Activities
Segment Reporting Information, Profit (Loss)
Interest income	152	(25)	331		72
Interest expense	15	117	29		209
Net interest income	137	(142)	302		(137)
Provision for loan losses	(24)	2	(19)		20
Net interest income (loss) after provision for loan losses	161	(144)	321		(157)
Other income	1,708	1,436	2,878		4,055
Other expense	1,203	8,354	2,172		11,025
Income (loss) before income taxes	666	(7,062)	1,027		(7,127)
Income taxes	0	0	0		0
Net income (loss)	666	(7,062)	1,027		(7,127)
Segment Reporting Information, Balance Sheet Data
Total assets	28,356	35,486	28,356		35,486						28,356
Net loans	0	0	0		0						0
Loans held for sale	18,166	27,361	18,166		27,361						18,166
Goodwill		0			0
Other
Segment Reporting Information, Profit (Loss)
Interest income	0	0	0		0
Interest expense	209	194	425		384
Net interest income	(209)	(194)	(425)		(384)
Provision for loan losses	0	0	0		0
Net interest income (loss) after provision for loan losses	(209)	(194)	(425)		(384)
Other income	6	(6)	29		(82)
Other expense	9	29	13		29
Income (loss) before income taxes	(212)	(229)	(409)		(495)
Income taxes	0	0	0		0
Net income (loss)	(212)	(229)	(409)		(495)
Segment Reporting Information, Balance Sheet Data
Total assets	(6,552)		(6,552)								(6,552)
Net loans	0	0	0		0						0
Loans held for sale	0	0	0		0						0
Goodwill		0			0
Intersegment Elimination [Member]
Segment Reporting Information, Balance Sheet Data
Bank Due from Sidus	4,710	12,591	4,710		12,591						4,710
Bank investment in Sidus	3,000	3,000	3,000		3,000						3,000
Bank A/R from Sidus	0	29	0		29						0
Parent [Member] | Other
Segment Reporting Information, Balance Sheet Data
Total assets	$ 1,158	$ 1,258	$ 1,158		$ 1,258						$ 1,158

[1] First six months of 2012

[2] 3rd and 4th quarter of 2009

[3] Derived from audited consolidated financial statements