Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) (USD $) In Thousands, unless otherwise specified
|
Mar. 31, 2014
|
Dec. 31, 2013
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
$ 520,990
|
$ 530,926
|
Stock warrants |
|
2
|
Mortgage-backed securities [Member]
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
224,365
|
217,059
|
U.S. government agency securities [Member]
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
85,978
|
83,536
|
Corporate bonds [Member]
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
20,906
|
20,835
|
Other securities [Member]
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
2,901
|
2,886
|
U.S. treasury bills [Member]
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
|
19,997
|
Collateralized mortgage obligations [Member]
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
148,031
|
127,693
|
Municipal bonds-tax exempt [Member]
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
4,432
|
13,937
|
Municipal bonds-taxable [Member]
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
21,675
|
32,354
|
SBA loan pools securities [Member]
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
12,702
|
12,629
|
Recurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets [Member]
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
85,978
|
103,533
|
Stock warrants |
|
|
Recurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets [Member] | Mortgage-backed securities [Member]
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
|
|
Recurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets [Member] | U.S. government agency securities [Member]
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
85,978
|
83,536
|
Recurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets [Member] | Corporate bonds [Member]
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
|
|
Recurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets [Member] | Other securities [Member]
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
|
|
Recurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets [Member] | U.S. treasury bills [Member]
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
|
19,997
|
Recurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets [Member] | Collateralized mortgage obligations [Member]
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
|
|
Recurring Basis [Member] | Significant Observable Inputs with No Active Market with Identical Characteristics [Member]
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
434,275
|
426,645
|
Stock warrants |
|
|
Recurring Basis [Member] | Significant Observable Inputs with No Active Market with Identical Characteristics [Member] | Mortgage-backed securities [Member]
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
224,365
|
217,059
|
Recurring Basis [Member] | Significant Observable Inputs with No Active Market with Identical Characteristics [Member] | U.S. government agency securities [Member]
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
|
|
Recurring Basis [Member] | Significant Observable Inputs with No Active Market with Identical Characteristics [Member] | Corporate bonds [Member]
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
20,906
|
20,835
|
Recurring Basis [Member] | Significant Observable Inputs with No Active Market with Identical Characteristics [Member] | Other securities [Member]
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
2,901
|
2,886
|
Recurring Basis [Member] | Significant Observable Inputs with No Active Market with Identical Characteristics [Member] | U.S. treasury bills [Member]
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
|
|
Recurring Basis [Member] | Significant Observable Inputs with No Active Market with Identical Characteristics [Member] | Collateralized mortgage obligations [Member]
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
148,031
|
127,693
|
Recurring Basis [Member] | Significant Unobservable Inputs [Member]
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
737
|
748
|
Stock warrants |
|
2
|
Recurring Basis [Member] | Significant Unobservable Inputs [Member] | Mortgage-backed securities [Member]
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
|
|
Recurring Basis [Member] | Significant Unobservable Inputs [Member] | U.S. government agency securities [Member]
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
|
|
Recurring Basis [Member] | Significant Unobservable Inputs [Member] | Corporate bonds [Member]
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
|
|
Recurring Basis [Member] | Significant Unobservable Inputs [Member] | Other securities [Member]
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
|
|
Recurring Basis [Member] | Significant Unobservable Inputs [Member] | U.S. treasury bills [Member]
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
|
|
Recurring Basis [Member] | Significant Unobservable Inputs [Member] | Collateralized mortgage obligations [Member]
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
|
|
Recurring Basis [Member] | Municipal bonds-tax exempt [Member] | Quoted Prices in Active Markets for Identical Assets [Member]
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
|
|
Recurring Basis [Member] | Municipal bonds-tax exempt [Member] | Significant Observable Inputs with No Active Market with Identical Characteristics [Member]
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
3,695
|
13,189
|
Recurring Basis [Member] | Municipal bonds-tax exempt [Member] | Significant Unobservable Inputs [Member]
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
737
|
748
|
Recurring Basis [Member] | Municipal bonds-taxable [Member] | Quoted Prices in Active Markets for Identical Assets [Member]
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
|
|
Recurring Basis [Member] | Municipal bonds-taxable [Member] | Significant Observable Inputs with No Active Market with Identical Characteristics [Member]
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
21,675
|
32,354
|
Recurring Basis [Member] | Municipal bonds-taxable [Member] | Significant Unobservable Inputs [Member]
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
|
|
Recurring Basis [Member] | SBA loan pools securities [Member] | Quoted Prices in Active Markets for Identical Assets [Member]
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
|
|
Recurring Basis [Member] | SBA loan pools securities [Member] | Significant Observable Inputs with No Active Market with Identical Characteristics [Member]
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
12,702
|
12,629
|
Recurring Basis [Member] | SBA loan pools securities [Member] | Significant Unobservable Inputs [Member]
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
Total securities available for sale |
|
|