|
Fair Value Measurements - Financial Instruments Measured at Fair Value on a Recurring Basis (Details) (USD $)
In Thousands, unless otherwise specified |
6 Months Ended | |
|---|---|---|
|
Jun. 30, 2014
|
Dec. 31, 2013
|
|
| Assets | ||
| Securities available for sale | $ 448,049 | $ 434,587 |
| State tax credits held for sale | 14,985 | 16,491 |
| Liabilities | ||
| State tax credits, held for sale | 45,529 | 48,457 |
| Tax credit stream, term | 10 years | |
| Years of tax credits generated | 10 years | |
|
Obligations of U.S. Government sponsored enterprises
|
||
| Assets | ||
| Securities available for sale | 92,971 | 93,530 |
|
Obligations of states and political subdivisions
|
||
| Assets | ||
| Securities available for sale | 49,933 | 48,943 |
|
Residential mortgage-backed securities
|
||
| Assets | ||
| Securities available for sale | 305,145 | 292,114 |
|
Quoted Prices in Active Markets for Identical Assets (Level 1)
|
||
| Assets | ||
| State tax credits held for sale | 0 | 0 |
|
Significant Other Observable Inputs (Level 2)
|
||
| Assets | ||
| State tax credits held for sale | 0 | 0 |
|
Significant Unobservable Inputs (Level 3)
|
||
| Assets | ||
| State tax credits held for sale | 34,849 | 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 | 34,849 | 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) | Residential mortgage-backed securities
|
||
| Assets | ||
| Securities available for sale | 0 | |
|
Recurring basis | Significant Other Observable Inputs (Level 2)
|
||
| Assets | ||
| Securities available for sale | 444,998 | |
| State tax credits held for sale | 0 | |
| Derivative financial instruments | 1,186 | |
| Total assets | 446,184 | |
| Liabilities | ||
| Derivative financial instruments | 1,184 | |
| Total liabilities | 1,184 | |
|
Recurring basis | Significant Other Observable Inputs (Level 2) | Obligations of U.S. Government sponsored enterprises
|
||
| Assets | ||
| Securities available for sale | 92,971 | |
|
Recurring basis | Significant Other Observable Inputs (Level 2) | Obligations of states and political subdivisions
|
||
| Assets | ||
| Securities available for sale | 46,882 | |
|
Recurring basis | Significant Other Observable Inputs (Level 2) | Residential mortgage-backed securities
|
||
| Assets | ||
| Securities available for sale | 305,145 | |
|
Recurring basis | Significant Unobservable Inputs (Level 3)
|
||
| Assets | ||
| Securities available for sale | 3,051 | |
| State tax credits held for sale | 14,985 | |
| Derivative financial instruments | 0 | |
| Total assets | 18,036 | |
| 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 | 3,051 | |
|
Recurring basis | Significant Unobservable Inputs (Level 3) | Residential mortgage-backed securities
|
||
| Assets | ||
| Securities available for sale | 0 | |
|
Recurring basis | Total Fair Value
|
||
| Assets | ||
| Securities available for sale | 448,049 | |
| State tax credits held for sale | 14,985 | |
| Derivative financial instruments | 1,186 | |
| Total assets | 464,220 | |
| Liabilities | ||
| Derivative financial instruments | 1,184 | |
| Total liabilities | 1,184 | |
|
Recurring basis | Total Fair Value | Obligations of U.S. Government sponsored enterprises
|
||
| Assets | ||
| Securities available for sale | 92,971 | |
|
Recurring basis | Total Fair Value | Obligations of states and political subdivisions
|
||
| Assets | ||
| Securities available for sale | 49,933 | |
|
Recurring basis | Total Fair Value | Residential mortgage-backed securities
|
||
| Assets | ||
| Securities available for sale | 305,145 | |
|
Portion at Other than Fair Value, Fair Value Disclosure
|
||
| Assets | ||
| State tax credits held for sale | $ 30,500 | |
|
LIBOR Swap Curve
|
||
| Liabilities | ||
| Discount rate, basis point spread | 205 |