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Acquired Loans (Details) (USD $) In Thousands, unless otherwise specified | Sep. 30, 2012 | Dec. 31, 2011
--- | --- | ---
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Less allowance for loan losses, acquired loans | $ (4,343) | $ (502) |
Net acquired loans | 143,270 | 76,302 |
Covered [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Acquired loans | 64,503 | 76,804 |
Less allowance for loan losses, acquired loans | 3,526 | 502 |
Net acquired loans | 60,977 | 76,302 |
Noncovered [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Acquired loans | 83,110 | 4,363 | [1]
Less allowance for loan losses, acquired loans | 817 | 0 | [1]
Net acquired loans | 82,293 | 4,363 | [1]
Real Estate Secured Financing Receivable [Member] | Construction Land Development And Other Financing Receivable [Member] | Covered [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Acquired loans | 3,714 | 4,209 |
Real Estate Secured Financing Receivable [Member] | Construction Land Development And Other Financing Receivable [Member] | Noncovered [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Acquired loans | 11,504 | 0 | [1]
Real Estate Secured Financing Receivable [Member] | Residential Financing Receivable [Member] | Covered [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Acquired loans | 24,949 | 31,874 |
Real Estate Secured Financing Receivable [Member] | Residential Financing Receivable [Member] | Noncovered [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Acquired loans | 18,032 | 76 | [1]
Real Estate Secured Financing Receivable [Member] | Nonresidential Properties Financing Receivables [Member] | Covered [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Acquired loans | 28,291 | 30,889 |
Real Estate Secured Financing Receivable [Member] | Nonresidential Properties Financing Receivables [Member] | Noncovered [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Acquired loans | 47,114 | 0 | [1]
Real Estate Secured Financing Receivable [Member] | Other Real Estate Secured Financing Receivable [Member] | Covered [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Acquired loans | 4,198 | 5,126 |
Real Estate Secured Financing Receivable [Member] | Other Real Estate Secured Financing Receivable [Member] | Noncovered [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Acquired loans | 378 | 0 | [1]
Commercial And Industrial Loans [Member] | Covered [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Acquired loans | 1,803 | 2,971 |
Commercial And Industrial Loans [Member] | Noncovered [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Acquired loans | 3,371 | 69 | [1]
Consumer Loans Financing Receivable [Member] | Covered [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Acquired loans | 172 | 290 |
Consumer Loans Financing Receivable [Member] | Noncovered [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Acquired loans | 2,575 | 4,146 | [1]
Other Loans Financing Receivable [Member] | Covered [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Acquired loans | 1,376 | 1,445 |
Other Loans Financing Receivable [Member] | Noncovered [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Acquired loans | $ 136 | $ 72 | [1]
[1] | Acquired noncovered loans were included in LHFI at December 31, 2011.

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- Definition The value of acquired loans net of the allowance for loan losses. + References No definition available. + Details
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