Fair Value Measurements (Details 3) (USD $) In Thousands, unless otherwise specified	6 Months Ended
Jun. 30, 2012
Impaired Loans [Member]
Changes in Level 3 assets measured at estimated fair value on a nonrecurring basis
Balance, December 31, 2011	$ 1,107
Increase in carrying value	180
Decrease in carrying value	(126)
Additions	6,666
Transfers to OREO	(209)
Transfers into Level 3	1,770
Balance, June 30, 2012	9,388
Other Real Estate Owned [Member]
Changes in Level 3 assets measured at estimated fair value on a nonrecurring basis
Additions	1,971
Transfers into Level 3	3,449
Balance, June 30, 2012	$ 5,420

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Fair value, measurement with unobservable inputs reconciliation, non recurring basis, asset, period increase decrease.

No definition available.

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Fair value measurement with unobservable inputs reconciliation non recurring basis asset transfers into level3.

No definition available.

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Fair value measurement with unobservable inputs reconciliation non recurring basis asset transfers to Oreo.

No definition available.

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Fair value measurement with unobservable inputs reconciliation non recurring basis asset value.

No definition available.

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Fair value measurement with unobservable inputs reconciliation non recurring basis decrease in asset value.

No definition available.

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Fair value measurement with unobservable inputs reconciliation non recurring basis increase in asset value.

No definition available.

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