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Fair Value Measurements - Financial Instruments Measured at Fair Value on a Recurring Basis (Details) (USD $)
In Thousands, unless otherwise specified |
9 Months Ended | |
|---|---|---|
|
Sep. 30, 2014
|
Dec. 31, 2013
|
|
| Assets | ||
| Securities available for sale | $ 456,584 | $ 434,587 |
| State tax credits held for sale | 15,131 | 16,491 |
| Liabilities | ||
| State tax credits, held for sale | 45,631 | 48,457 |
| Tax credit stream, term | 10 years | |
| Years of tax credits generated | 10 years | |
|
LIBOR Swap Curve
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| Liabilities | ||
| Discount rate, basis point spread (percent) | 0.0205 | |
|
Portion Measured as Cost
|
||
| Assets | ||
| State tax credits held for sale | 30,500 | |
|
Obligations of U.S. Government-sponsored enterprises
|
||
| Assets | ||
| Securities available for sale | 92,272 | 93,530 |
|
Obligations of states and political subdivisions
|
||
| Assets | ||
| Securities available for sale | 49,941 | 48,943 |
|
Agency mortgage-backed securities
|
||
| Assets | ||
| Securities available for sale | 314,371 | 292,114 |
|
Quoted Prices in Active Markets for Identical Assets (Level 1)
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||
| Assets | ||
| State tax credits held for sale | 0 | 0 |
|
Significant Other Observable Inputs (Level 2)
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||
| Assets | ||
| State tax credits held for sale | 0 | 0 |
|
Significant Unobservable Inputs (Level 3)
|
||
| Assets | ||
| State tax credits held for sale | 35,906 | 35,668 |
|
Significant Unobservable Inputs (Level 3) | Auction Rate Securities
|
||
| Liabilities | ||
| Number of securities | 3 | |
|
Total Fair Value
|
||
| Assets | ||
| State tax credits held for sale | 35,906 | 35,668 |
|
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1)
|
||
| Assets | ||
| Securities available for sale | 0 | |
| State tax credits held for sale | 0 | |
| Derivative financial instruments | 0 | |
| Total assets | 0 | |
| Liabilities | ||
| Derivative financial instruments | 0 | |
| Total liabilities | 0 | |
|
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Obligations of U.S. Government-sponsored enterprises
|
||
| Assets | ||
| Securities available for sale | 0 | |
|
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Obligations of states and political subdivisions
|
||
| Assets | ||
| Securities available for sale | 0 | |
|
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Agency mortgage-backed securities
|
||
| Assets | ||
| Securities available for sale | 0 | |
|
Recurring basis | Significant Other Observable Inputs (Level 2)
|
||
| Assets | ||
| Securities available for sale | 453,530 | |
| State tax credits held for sale | 0 | |
| Derivative financial instruments | 951 | |
| Total assets | 454,481 | |
| Liabilities | ||
| Derivative financial instruments | 949 | |
| Total liabilities | 949 | |
|
Recurring basis | Significant Other Observable Inputs (Level 2) | Obligations of U.S. Government-sponsored enterprises
|
||
| Assets | ||
| Securities available for sale | 92,272 | |
|
Recurring basis | Significant Other Observable Inputs (Level 2) | Obligations of states and political subdivisions
|
||
| Assets | ||
| Securities available for sale | 46,887 | |
|
Recurring basis | Significant Other Observable Inputs (Level 2) | Agency mortgage-backed securities
|
||
| Assets | ||
| Securities available for sale | 314,371 | |
|
Recurring basis | Significant Unobservable Inputs (Level 3)
|
||
| Assets | ||
| Securities available for sale | 3,054 | |
| State tax credits held for sale | 15,131 | |
| Derivative financial instruments | 0 | |
| Total assets | 18,185 | |
| Liabilities | ||
| Derivative financial instruments | 0 | |
| Total liabilities | 0 | |
|
Recurring basis | Significant Unobservable Inputs (Level 3) | Obligations of U.S. Government-sponsored enterprises
|
||
| Assets | ||
| Securities available for sale | 0 | |
|
Recurring basis | Significant Unobservable Inputs (Level 3) | Obligations of states and political subdivisions
|
||
| Assets | ||
| Securities available for sale | 3,054 | |
|
Recurring basis | Significant Unobservable Inputs (Level 3) | Agency mortgage-backed securities
|
||
| Assets | ||
| Securities available for sale | 0 | |
|
Recurring basis | Total Fair Value
|
||
| Assets | ||
| Securities available for sale | 456,584 | |
| State tax credits held for sale | 15,131 | |
| Derivative financial instruments | 951 | |
| Total assets | 472,666 | |
| Liabilities | ||
| Derivative financial instruments | 949 | |
| Total liabilities | 949 | |
|
Recurring basis | Total Fair Value | Obligations of U.S. Government-sponsored enterprises
|
||
| Assets | ||
| Securities available for sale | 92,272 | |
|
Recurring basis | Total Fair Value | Obligations of states and political subdivisions
|
||
| Assets | ||
| Securities available for sale | 49,941 | |
|
Recurring basis | Total Fair Value | Agency mortgage-backed securities
|
||
| Assets | ||
| Securities available for sale | $ 314,371 |