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Estimated Fair Values (Narrative) (Details) (USD $) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2011 | Jun. 30, 2010 | Dec. 31, 2010
Stock in Federal Home Loan Bank | $ 63,730,000 | $ 71,959,000 |
Transfers between Level 1 and Level 2 |  | 0 |
Liability measured at fair value on nonrecurring basis |  | 0 | 0
Fair value of gains or losses measured on nonobservable inputs |  | 0 |
Fair value of assets and liabilities valued on level 3 inputs |  | 0 | 0
Fair value of investment securities with nonobservable inputs | 0 |  |
(Gain) loss on sale of other real estate | (1,349,000) | (720,000) |
Fair Value [Member] | Non-covered OREO [Member] |  |  |
Real Estate Acquired Through Foreclosure | 6,567,000 | 6,006,000 |
Non-covered OREO [Member] |  |  |
Real Estate, Acquisitions Through Foreclosures | 13,636,000 | 16,217,000 |
(Gain) loss on sale of other real estate | 1,684,000 | 1,160,000 |
Covered OREO [Member] |  |  |
Real Estate, Acquisitions Through Foreclosures | $ 64,144,000 | $ 39,342,000 |

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- Definition Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-DEP -Chapter 12 -Paragraph 26 -IssueDate 2006-05-01 + Details
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- Definition The net gain or loss resulting from sales and other disposals of other real estate owned, increases and decreases in the valuation allowance for foreclosed real estate, and write-downs of other real estate owned after acquisition or physical possession. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher OTS -Name Federal Regulation (FR) -Number Title 12 -Chapter V -Section 563c.102 -Paragraph 13 -Subparagraph g -Subsection II Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 14 -Subparagraph d -Article 9 + Details
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- Definition Carrying amount as of the balance sheet date of land and buildings obtained through foreclosure proceedings or defeasance in full or partial satisfaction of a debt arrangement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 28 -Article 12 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 01-6 -Paragraph 13 -Subparagraph f Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-DEP -Chapter 11 -Paragraph 2, 9, 10, 11 -IssueDate 2006-05-01 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph c -Subparagraph Schedule III -Article 5 + Details
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