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Parent Company Only Condensed Financial Information (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Cash flows from operating activities
Net loss	$ (684)	$ (1,917)	$ (1,423)	$ (3,631)
Net cash used by operating activities			(984)	523
Cash flows from investing activities
Net cash from (used by) investing activities			19,343	20,171
Net change in cash and cash equivalents			(6,227)	26,161
Beginning cash and cash equivalents			61,436	34,275
Ending cash and cash equivalents	55,209	60,436	55,209	60,436
Parent Company [Member]
Cash flows from operating activities
Net loss	(684)	(1,917)	(1,423)	(3,631)
Effect of subsidiaries' operations	655	1,688	1,196	3,146
Change in other assets and other liabilities			(85)	(45)
Net cash used by operating activities			(312)	(530)
Cash flows from investing activities
Investments in other subsidiaries			(1)	525
Net cash from (used by) investing activities			(1)	525
Net change in cash and cash equivalents			(313)	(5)
Beginning cash and cash equivalents			560	745
Ending cash and cash equivalents	$ 247	$ 740	$ 247	$ 740