XML 40 R32.htm IDEA: XBRL DOCUMENT v2.4.0.8
Securities Available for Sale - Gross Unrealized Losses and Fair Value of Company's Available for Sale Securities (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Schedule of Available-for-sale Securities [Line Items]    
Total temporarily impaired securities, Less Than 12 Months, Fair Value $ 122,494 $ 260,908
Total temporarily impaired securities, Less Than 12 Months, Unrealized Losses 962 7,466
Total temporarily impaired securities, 12 Months or More, Fair Value 80,375 26,207
Total temporarily impaired securities, 12 Months or More, Unrealized Losses 2,420 1,560
Total temporarily impaired securities, Total, Fair Value 202,869 287,115
Total temporarily impaired securities, Total, Unrealized Losses 3,382 9,026
U.S. Government Agencies [Member]
    
Schedule of Available-for-sale Securities [Line Items]    
Total temporarily impaired securities, Less Than 12 Months, Fair Value 3,743 17,454
Total temporarily impaired securities, Less Than 12 Months, Unrealized Losses 5 193
Total temporarily impaired securities, 12 Months or More, Fair Value 15,195 0
Total temporarily impaired securities, 12 Months or More, Unrealized Losses 50 0
Total temporarily impaired securities, Total, Fair Value 18,938 17,454
Total temporarily impaired securities, Total, Unrealized Losses 55 193
U.S. government sponsored enterprises (GSE) [Member]
    
Schedule of Available-for-sale Securities [Line Items]    
Total temporarily impaired securities, Less Than 12 Months, Fair Value   12,049
Total temporarily impaired securities, Less Than 12 Months, Unrealized Losses   722
Total temporarily impaired securities, 12 Months or More, Fair Value   0
Total temporarily impaired securities, 12 Months or More, Unrealized Losses   0
Total temporarily impaired securities, Total, Fair Value   12,049
Total temporarily impaired securities, Total, Unrealized Losses   722
States and Political Subdivisions [Member]
    
Schedule of Available-for-sale Securities [Line Items]    
Total temporarily impaired securities, Less Than 12 Months, Fair Value 0 53,606
Total temporarily impaired securities, Less Than 12 Months, Unrealized Losses 0 4,367
Total temporarily impaired securities, 12 Months or More, Fair Value 35,529 0
Total temporarily impaired securities, 12 Months or More, Unrealized Losses 1,370 0
Total temporarily impaired securities, Total, Fair Value 35,529 53,606
Total temporarily impaired securities, Total, Unrealized Losses 1,370 4,367
GSE Residential Mortgage-Backed Securities [Member]
    
Schedule of Available-for-sale Securities [Line Items]    
Total temporarily impaired securities, Less Than 12 Months, Fair Value 80,161 125,468
Total temporarily impaired securities, Less Than 12 Months, Unrealized Losses 487 716
Total temporarily impaired securities, 12 Months or More, Fair Value 0 7,447
Total temporarily impaired securities, 12 Months or More, Unrealized Losses 0 9
Total temporarily impaired securities, Total, Fair Value 80,161 132,915
Total temporarily impaired securities, Total, Unrealized Losses 487 725
GSE Residential Collateralized Mortgage Obligations (CMOs) [Member]
    
Schedule of Available-for-sale Securities [Line Items]    
Total temporarily impaired securities, Less Than 12 Months, Fair Value 28,728 14,033
Total temporarily impaired securities, Less Than 12 Months, Unrealized Losses 388 220
Total temporarily impaired securities, 12 Months or More, Fair Value 0 44
Total temporarily impaired securities, 12 Months or More, Unrealized Losses 0 1
Total temporarily impaired securities, Total, Fair Value 28,728 14,077
Total temporarily impaired securities, Total, Unrealized Losses 388 221
GSE Commercial CMOs [Member]
    
Schedule of Available-for-sale Securities [Line Items]    
Total temporarily impaired securities, Less Than 12 Months, Fair Value 9,862 38,298
Total temporarily impaired securities, Less Than 12 Months, Unrealized Losses 82 1,248
Total temporarily impaired securities, 12 Months or More, Fair Value 29,651 18,716
Total temporarily impaired securities, 12 Months or More, Unrealized Losses 1,000 1,550
Total temporarily impaired securities, Total, Fair Value 39,513 57,014
Total temporarily impaired securities, Total, Unrealized Losses $ 1,082 $ 2,798