SEGMENT AND RELATED INFORMATION (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011	Dec. 31, 2010
Interest income	$ 22,841	$ 25,104	$ 46,174	$ 50,022
Interest expense	1,068	3,143	2,268	6,549
Net interest income (expense)	21,773	21,961	43,906	43,473
Provision for credit losses	(492)	3,426	(403)	5,502
Noninterest income	8,494	8,070	16,381	16,986
Noninterest expense	21,476	22,958	42,501	45,511
Income (loss) before income taxes	9,283	3,647	18,189	9,446
Provision (benefit) for income taxes	3,249	(987)	6,366	(293)
Net income (loss)	6,034	4,634	11,823	9,739	33,777
Depreciation and amortization	2,053	1,900	4,229	4,032
Assets	2,408,439	2,462,556	2,408,439	2,462,556	2,429,887
Loans, net	1,462,665	1,482,725	1,462,665	1,482,725	1,466,089
Deposits	1,876,885	1,930,997	1,876,885	1,930,997	1,915,569
Equity	328,017	285,569	328,017	285,569	314,479	272,560
Banking Segment [Member]
Interest income	22,833	25,093	46,157	49,999
Interest expense	766	2,811	1,657	5,941
Net interest income (expense)	22,067	22,282	44,500	44,058
Provision for credit losses	(492)	3,426	(403)	5,502
Noninterest income	7,974	7,523	15,371	15,912
Noninterest expense	20,798	22,287	41,183	44,179
Income (loss) before income taxes	9,735	4,092	19,091	10,289
Provision (benefit) for income taxes	3,425	(813)	6,718	36
Net income (loss)	6,310	4,905	12,373	10,253
Depreciation and amortization	2,046	1,892	4,215	4,017
Assets	2,402,856	2,458,268	2,402,856	2,458,268
Loans, net	1,462,665	1,482,725	1,462,665	1,482,725
Deposits	1,886,258	1,941,357	1,886,258	1,941,357
Equity	365,798	323,631	365,798	323,631
Other Segment [Member]
Interest income	8	11	17	23
Interest expense	302	332	611	608
Net interest income (expense)	(294)	(321)	(594)	(585)
Provision for credit losses	0	0	0	0
Noninterest income	787	817	1,545	1,615
Noninterest expense	945	941	1,853	1,873
Income (loss) before income taxes	(452)	(445)	(902)	(843)
Provision (benefit) for income taxes	(176)	(174)	(352)	(329)
Net income (loss)	(276)	(271)	(550)	(514)
Depreciation and amortization	7	8	14	15
Assets	15,487	15,215	15,487	15,215
Loans, net	0	0	0	0
Deposits	0	0	0	0
Equity	(37,781)	(38,062)	(37,781)	(38,062)
Intersegment Elimination [Member]
Interest income	0	0	0	0
Interest expense	0	0	0	0
Net interest income (expense)	0	0	0	0
Provision for credit losses	0	0	0	0
Noninterest income	(267)	(270)	(535)	(541)
Noninterest expense	(267)	(270)	(535)	(541)
Income (loss) before income taxes	0	0	0	0
Provision (benefit) for income taxes	0	0	0	0
Net income (loss)	0	0	0	0
Depreciation and amortization	0	0	0	0
Assets	(9,904)	(10,927)	(9,904)	(10,927)
Loans, net	0	0	0	0
Deposits	(9,373)	(10,360)	(9,373)	(10,360)
Equity	$ 0	$ 0	$ 0	$ 0