Fair Value Measurements - Financial Instruments Measured at Fair Value on a Recurring Basis (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||
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Sep. 30, 2012
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Sep. 30, 2011
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Sep. 30, 2012
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Dec. 31, 2011
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Assets | ||||
Securities available for sale | $ 610,357 | $ 610,357 | $ 593,182 | |
State tax credits held for sale | 25,069 | 25,069 | 26,350 | |
Liabilities | ||||
State tax credits, held for sale | 65,873 | 65,873 | 50,446 | |
Increase in state tax credits carried at fair value | 257 | 975 | ||
Tax credit stream, term | 10 years | |||
Years of tax credits generated | 10 years | |||
Obligations of U.S. Government sponsored enterprises
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Assets | ||||
Securities available for sale | 128,005 | 128,005 | 126,917 | |
Obligations of states and political subdivisions
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Assets | ||||
Securities available for sale | 45,789 | 45,789 | 39,837 | |
Residential mortgage-backed securities
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Assets | ||||
Securities available for sale | 436,563 | 436,563 | 426,428 | |
Quoted Prices in Active Markets for Identical Assets (Level 1)
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Assets | ||||
State tax credits held for sale | 0 | 0 | 0 | |
Significant Other Observable Inputs (Level 2)
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Assets | ||||
State tax credits held for sale | 0 | 0 | 0 | |
Significant Unobservable Inputs (Level 3)
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Assets | ||||
State tax credits held for sale | 46,413 | 46,413 | 24,096 | |
Significant Unobservable Inputs (Level 3) | Auction Rate Securities
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Liabilities | ||||
Number of securities | 3 | 3 | ||
Total Fair Value
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Assets | ||||
State tax credits held for sale | 46,413 | 46,413 | 24,096 | |
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1)
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Assets | ||||
Securities available for sale | 0 | 0 | ||
Portfolio loans | 0 | 0 | ||
State tax credits held for sale | 0 | 0 | ||
Derivative financial instruments | 0 | 0 | ||
Total assets | 0 | 0 | ||
Liabilities | ||||
Derivative financial instruments | 0 | 0 | ||
Total liabilities | 0 | 0 | ||
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Obligations of U.S. Government sponsored enterprises
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Assets | ||||
Securities available for sale | 0 | 0 | ||
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Obligations of states and political subdivisions
|
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Assets | ||||
Securities available for sale | 0 | 0 | ||
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Residential mortgage-backed securities
|
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Assets | ||||
Securities available for sale | 0 | 0 | ||
Recurring basis | Significant Other Observable Inputs (Level 2)
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Assets | ||||
Securities available for sale | 607,310 | 607,310 | ||
Portfolio loans | 12,891 | 12,891 | ||
State tax credits held for sale | 0 | 0 | ||
Derivative financial instruments | 3,421 | 3,421 | ||
Total assets | 623,622 | 623,622 | ||
Liabilities | ||||
Derivative financial instruments | 3,768 | 3,768 | ||
Total liabilities | 3,768 | 3,768 | ||
Recurring basis | Significant Other Observable Inputs (Level 2) | Obligations of U.S. Government sponsored enterprises
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Assets | ||||
Securities available for sale | 128,005 | 128,005 | ||
Recurring basis | Significant Other Observable Inputs (Level 2) | Obligations of states and political subdivisions
|
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Assets | ||||
Securities available for sale | 42,742 | 42,742 | ||
Recurring basis | Significant Other Observable Inputs (Level 2) | Residential mortgage-backed securities
|
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Assets | ||||
Securities available for sale | 436,563 | 436,563 | ||
Recurring basis | Significant Unobservable Inputs (Level 3)
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Assets | ||||
Securities available for sale | 3,047 | 3,047 | ||
Portfolio loans | 0 | 0 | ||
State tax credits held for sale | 25,069 | 25,069 | ||
Derivative financial instruments | 0 | 0 | ||
Total assets | 28,116 | 28,116 | ||
Liabilities | ||||
Derivative financial instruments | 0 | 0 | ||
Total liabilities | 0 | 0 | ||
Recurring basis | Significant Unobservable Inputs (Level 3) | Obligations of U.S. Government sponsored enterprises
|
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Assets | ||||
Securities available for sale | 0 | 0 | ||
Recurring basis | Significant Unobservable Inputs (Level 3) | Obligations of states and political subdivisions
|
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Assets | ||||
Securities available for sale | 3,047 | 3,047 | ||
Recurring basis | Significant Unobservable Inputs (Level 3) | Residential mortgage-backed securities
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Assets | ||||
Securities available for sale | 0 | 0 | ||
Recurring basis | Total Fair Value
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Assets | ||||
Securities available for sale | 610,357 | 610,357 | ||
Portfolio loans | 12,891 | 12,891 | ||
State tax credits held for sale | 25,069 | 25,069 | ||
Derivative financial instruments | 3,421 | 3,421 | ||
Total assets | 651,738 | 651,738 | ||
Liabilities | ||||
Derivative financial instruments | 3,768 | 3,768 | ||
Total liabilities | 3,768 | 3,768 | ||
Recurring basis | Total Fair Value | Obligations of U.S. Government sponsored enterprises
|
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Assets | ||||
Securities available for sale | 128,005 | 128,005 | ||
Recurring basis | Total Fair Value | Obligations of states and political subdivisions
|
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Assets | ||||
Securities available for sale | 45,789 | 45,789 | ||
Recurring basis | Total Fair Value | Residential mortgage-backed securities
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Assets | ||||
Securities available for sale | 436,563 | 436,563 | ||
Portion at Fair Value, Fair Value Disclosure | Recurring basis | Total Fair Value
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Assets | ||||
State tax credits held for sale | 25,069 | 25,069 | ||
Portion at Other than Fair Value, Fair Value Disclosure
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Assets | ||||
State tax credits held for sale | $ 40,800 | $ 40,800 | ||
LIBOR Swap Curve
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Liabilities | ||||
Discount rate, remaining life in years of credits plus | 2.05% |