| **Deposits (Details) (USD $)In Thousands, unless otherwise specified** | Dec. 31, 2012 | Dec. 31, 2011 |
|------------------------------------------------------------------------|---------------|---------------|
| **Deposits, by Component, Alternative [Abstract]**                     |          |          |
| Noninterest-bearing demand deposits                                    | $ 251,235     | $ 234,673     |
| Interest-bearing demand deposits                                       | 362,406       | 349,802       |
| Savings deposits                                                       | 74,436        | 68,236        |
| Money market deposits                                                  | 455,734       | 431,790       |
| Brokered deposits                                                      | 55,590        | 112,066       |
| Time deposits less than $100,000                                       | 417,421       | 538,306       |
| Time deposits $100,000 or more                                         | 290,166       | 394,238       |
| Total deposits                                                         | $ 1,906,988   | $ 2,129,111   |
| Noninterest-bearing demand deposits, Percentage                        | 13.17%        | 11.02%        |
| Interest-bearing demand deposits, Percentage                           | 19.00%        | 16.43%        |
| Savings deposits, Percentage                                           | 3.90%         | 3.20%         |
| Money market deposits, Percentage                                      | 23.90%        | 20.28%        |
| Brokered deposits, Percentage                                          | 2.92%         | 5.27%         |
| Time deposits less than $100,000, Percentage                           | 21.89%        | 25.28%        |
| Time deposits $100,000 or more, Percentage                             | 15.22%        | 18.52%        |
| Total deposits, Percentage                                             | 100.00%       | 100.00%       |

| X                                                                                                                                                                                                                          |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Percentage of Deposits
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| X                                                                                                                                                                                                                                                                                                                     |
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| - Definition
Percentage of Noninterest-bearing Domestic Deposits to Deposits, Demand
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| X                                                                                                                                                                                                                                                                                         |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Percentage of Time Deposits, Less than 100000 to Deposits
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| X                                                                                                                                                                                                                                                                                         |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Percentage of Time Deposits, More than 100000 to Deposits
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No definition available.
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|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.12) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 12 -Article 9Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-DEP -Paragraph 37, 38, 39 -IssueDate 2006-05-01 -Chapter 13 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.  This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.
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|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of interest-bearing domestic third-party deposits placed by or through the assistance of a deposit broker, also known as brokered deposit liabilities.
+ References
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| - Definition
Amount of money in interest-bearing domestic accounts that entitle the depositor to withdraw funds at any time without prior notice, also known as demand deposits.
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|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of interest-bearing domestic money market demand account deposit liabilities.
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| - Definition
Amount of interest-bearing domestic savings deposit liabilities. Saving deposits bear interest and have no stated maturity.
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| - Definition
Amount of money in noninterest-bearing domestic accounts that entitle the depositor to withdraw funds at any time without prior notice, also known as demand deposits.
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| - Definition
Percentage of interest-bearing domestic brokered deposit liabilities to total deposit liabilities.
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Percentage of interest-bearing domestic demand deposit liabilities to total deposit liabilities.
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| - Definition
Percentage of interest-bearing domestic money market demand account deposit liabilities to total deposit liabilities.
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Percentage of interest-bearing domestic savings deposit liabilities to total deposit liabilities.
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No definition available.
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|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The aggregate amount of domestic time deposits (including certificates of deposits, individual retirement accounts and open accounts) in denominations of $100,000 or more.
+ References
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| - Definition
The aggregate amount of domestic or foreign time deposits (including certificates of deposits, individual retirement accounts and open accounts) that total to less than $100,000.
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No definition available.
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