XML 29 R28.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
Mar. 31, 2014
Dec. 31, 2013
Schedule of Available-for-sale Securities [Line Items]    
Total temporarily impaired securities, Less Than 12 Months, Fair Value $ 122,945 $ 260,908
Total temporarily impaired securities, Less Than 12 Months, Unrealized Losses 2,854 7,466
Total temporarily impaired securities, 12 Months or More, Fair Value 68,936 26,207
Total temporarily impaired securities, 12 Months or More, Unrealized Losses 2,996 1,560
Total temporarily impaired securities, Total, Fair Value 191,881 287,115
Total temporarily impaired securities, Total, Unrealized Losses 5,850 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 13,302 17,454
Total temporarily impaired securities, Less Than 12 Months, Unrealized Losses 115 193
Total temporarily impaired securities, 12 Months or More, Fair Value 11,680 0
Total temporarily impaired securities, 12 Months or More, Unrealized Losses 167 0
Total temporarily impaired securities, Total, Fair Value 24,982 17,454
Total temporarily impaired securities, Total, Unrealized Losses 282 193
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 17,291 12,049
Total temporarily impaired securities, Less Than 12 Months, Unrealized Losses 308 722
Total temporarily impaired securities, 12 Months or More, Fair Value 2,039 0
Total temporarily impaired securities, 12 Months or More, Unrealized Losses 157 0
Total temporarily impaired securities, Total, Fair Value 19,330 12,049
Total temporarily impaired securities, Total, Unrealized Losses 465 722
States and Political Subdivisions [Member]
    
Schedule of Available-for-sale Securities [Line Items]    
Total temporarily impaired securities, Less Than 12 Months, Fair Value 20,503 53,606
Total temporarily impaired securities, Less Than 12 Months, Unrealized Losses 1,224 4,367
Total temporarily impaired securities, 12 Months or More, Fair Value 16,036 0
Total temporarily impaired securities, 12 Months or More, Unrealized Losses 1,190 0
Total temporarily impaired securities, Total, Fair Value 36,539 53,606
Total temporarily impaired securities, Total, Unrealized Losses 2,414 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 12,558 125,468
Total temporarily impaired securities, Less Than 12 Months, Unrealized Losses 123 716
Total temporarily impaired securities, 12 Months or More, Fair Value 9,725 7,447
Total temporarily impaired securities, 12 Months or More, Unrealized Losses 92 9
Total temporarily impaired securities, Total, Fair Value 22,283 132,915
Total temporarily impaired securities, Total, Unrealized Losses 215 725
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 44,020 14,033
Total temporarily impaired securities, Less Than 12 Months, Unrealized Losses 749 220
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 44,020 14,077
Total temporarily impaired securities, Total, Unrealized Losses 749 221
GSE Commercial CMOs [Member]
    
Schedule of Available-for-sale Securities [Line Items]    
Total temporarily impaired securities, Less Than 12 Months, Fair Value 15,271 38,298
Total temporarily impaired securities, Less Than 12 Months, Unrealized Losses 335 1,248
Total temporarily impaired securities, 12 Months or More, Fair Value 29,456 18,716
Total temporarily impaired securities, 12 Months or More, Unrealized Losses 1,390 1,550
Total temporarily impaired securities, Total, Fair Value 44,727 57,014
Total temporarily impaired securities, Total, Unrealized Losses $ 1,725 $ 2,798