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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

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