XML 26 R71.htm IDEA: XBRL DOCUMENT v3.2.0.727
Fair Value Disclosures - Balances of Assets Measured at Fair Value (Detail) - USD ($)
$ in Thousands
Jun. 30, 2015
Dec. 31, 2014
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Fair Value $ 781,746 $ 740,124
Total assets measured at fair value on a recurring basis 781,746 740,124
Assets measured at fair value on a nonrecurring basis 4,856 5,734
Loans held-for-sale 48,099 28,508
Impaired loans (collateral dependent) 38,080 41,334
Total assets measured at fair value on a nonrecurring basis 91,035 75,576
U.S. Government and Agencies [Member] | Fair Value, Measurements, Recurring [Member]    
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Fair Value 29,053 29,960
Other Real Estate Owned [Member]    
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Assets measured at fair value on a nonrecurring basis 4,856 5,734
Federal National Mortgage Association (FNMA) [Member]    
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Fair Value 301,125 292,553
Federal National Mortgage Association (FNMA) [Member] | Fair Value, Measurements, Recurring [Member]    
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Fair Value 301,125 292,553
Federal Home Loan Mortgage Corporation (FHLMC) [Member]    
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Fair Value 133,894 146,882
Federal Home Loan Mortgage Corporation (FHLMC) [Member] | Fair Value, Measurements, Recurring [Member]    
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Fair Value 133,894 146,882
Government National Mortgage Association (GNMA) [Member]    
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Fair Value 64,338 77,797
Government National Mortgage Association (GNMA) [Member] | Fair Value, Measurements, Recurring [Member]    
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Fair Value 64,338 77,797
Collateralized Mortgage Obligation (CMO) [Member]    
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Fair Value 253,336 192,932
Collateralized Mortgage Obligation (CMO) [Member] | Fair Value, Measurements, Recurring [Member]    
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Fair Value 253,336 192,932
Significant Other Observable Inputs (Level 2) [Member]    
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Total assets measured at fair value on a recurring basis 781,746 740,124
Loans held-for-sale 48,099 28,508
Total assets measured at fair value on a nonrecurring basis 48,099 28,508
Significant Other Observable Inputs (Level 2) [Member] | U.S. Government and Agencies [Member] | Fair Value, Measurements, Recurring [Member]    
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Fair Value 29,053 29,960
Significant Other Observable Inputs (Level 2) [Member] | Federal National Mortgage Association (FNMA) [Member] | Fair Value, Measurements, Recurring [Member]    
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Fair Value 301,125 292,553
Significant Other Observable Inputs (Level 2) [Member] | Federal Home Loan Mortgage Corporation (FHLMC) [Member] | Fair Value, Measurements, Recurring [Member]    
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Fair Value 133,894 146,882
Significant Other Observable Inputs (Level 2) [Member] | Government National Mortgage Association (GNMA) [Member] | Fair Value, Measurements, Recurring [Member]    
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Fair Value 64,338 77,797
Significant Other Observable Inputs (Level 2) [Member] | Collateralized Mortgage Obligation (CMO) [Member] | Fair Value, Measurements, Recurring [Member]    
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Fair Value 253,336 192,932
Significant Unobservable Inputs (Level 3) [Member]    
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Impaired loans (collateral dependent) 38,080 41,334
Total assets measured at fair value on a nonrecurring basis 42,936 47,068
Significant Unobservable Inputs (Level 3) [Member] | Other Real Estate Owned [Member]    
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Assets measured at fair value on a nonrecurring basis $ 4,856 $ 5,734