XML 55 R44.htm IDEA: XBRL DOCUMENT v3.8.0.1
Investment Securities (Investments Gross Unrealized Losses And Fair Value) (Details) - USD ($)
$ in Thousands
Mar. 31, 2018
Dec. 31, 2017
Investment [Line Items]    
Securities available for sale, Less than 12 months, Fair Value $ 377,140 $ 319,678
Securities available for sale, Less than 12 months, Unrealized Losses 9,057 2,618
Securities available for sale, 12 months or longer, Fair Value 112,573 115,552
Securities available for sale, 12 months or longer, Unrealized Losses 4,110 2,548
Securities available for sale, Fair Value, Total 489,713 435,230
Securities available for sale, Unrealized Losses, Total 13,167 5,166
Securities held to maturity, Less than 12 months, Fair Value 159,619 113,419
Securities held to maturity, Less than 12 months, Unrealized Losses 3,127 1,339
Securities held to maturity, 12 months or longer, Fair Value 156,102 159,211
Securities held to maturity, 12 months or longer, Unrealized Losses 6,580 4,485
Securities held to maturity, Fair Value, Total 315,721 272,630
Securities held to maturity, Unrealized Losses, Total 9,707 5,824
Total Securities, Less than 12 months, Fair Value 536,759 433,097
Total Securities, Less than 12 months, Unrealized Losses 12,184 3,957
Total Securities, 12 months or longer, Fair Value 268,675 274,763
Total Securities, 12 months or longer, Unrealized Losses 10,690 7,033
Total Securities, Fair Value 805,434 707,860
Total Securities, Unrealized Losses 22,874 10,990
U.S. Government Agencies And Government Sponsored Enterprises [Member]    
Investment [Line Items]    
Securities available for sale, Less than 12 months, Fair Value 124,166 95,046
Securities available for sale, Less than 12 months, Unrealized Losses 2,539 571
Securities available for sale, 12 months or longer, Fair Value 30,944 31,561
Securities available for sale, 12 months or longer, Unrealized Losses 1,273 687
Securities available for sale, Fair Value, Total 155,110 126,607
Securities available for sale, Unrealized Losses, Total 3,812 1,258
State And Political Subdivisions [Member]    
Investment [Line Items]    
Securities held to maturity, Less than 12 months, Fair Value 86,593 36,368
Securities held to maturity, Less than 12 months, Unrealized Losses 1,062 295
Securities held to maturity, 12 months or longer, Fair Value 14,294 14,492
Securities held to maturity, 12 months or longer, Unrealized Losses 659 367
Securities held to maturity, Fair Value, Total 100,887 50,860
Securities held to maturity, Unrealized Losses, Total 1,721 662
Collateralized Mortgage Obligations [Member] | Federal National Mortgage Association [Member]    
Investment [Line Items]    
Securities available for sale, 12 months or longer, Fair Value 95 119
Securities available for sale, 12 months or longer, Unrealized Losses   1
Securities available for sale, Fair Value, Total 95 119
Securities available for sale, Unrealized Losses, Total   1
Securities held to maturity, Less than 12 months, Fair Value 18,080 16,830
Securities held to maturity, Less than 12 months, Unrealized Losses 426 202
Securities held to maturity, 12 months or longer, Fair Value 51,855 57,645
Securities held to maturity, 12 months or longer, Unrealized Losses 2,223 1,756
Securities held to maturity, Fair Value, Total 69,935 74,475
Securities held to maturity, Unrealized Losses, Total 2,649 1,958
Collateralized Mortgage Obligations [Member] | Federal Home Loan Mortgage Corporation [Member]    
Investment [Line Items]    
Securities available for sale, 12 months or longer, Fair Value 7 8
Securities available for sale, Fair Value, Total 7 8
Securities held to maturity, Less than 12 months, Fair Value 21,491 23,727
Securities held to maturity, Less than 12 months, Unrealized Losses 664 337
Securities held to maturity, 12 months or longer, Fair Value 65,083 66,467
Securities held to maturity, 12 months or longer, Unrealized Losses 2,633 1,828
Securities held to maturity, Fair Value, Total 86,574 90,194
Securities held to maturity, Unrealized Losses, Total 3,297 2,165
Collateralized Mortgage Obligations [Member] | Government National Mortgage Association [Member]    
Investment [Line Items]    
Securities held to maturity, Less than 12 months, Fair Value 11,448 15,401
Securities held to maturity, Less than 12 months, Unrealized Losses 387 340
Securities held to maturity, 12 months or longer, Fair Value 9,232 5,635
Securities held to maturity, 12 months or longer, Unrealized Losses 331 162
Securities held to maturity, Fair Value, Total 20,680 21,036
Securities held to maturity, Unrealized Losses, Total 718 502
Mortgage-Backed Securities [Member]    
Investment [Line Items]    
Securities available for sale, Less than 12 months, Fair Value 252,974 224,632
Securities available for sale, Less than 12 months, Unrealized Losses 6,518 2,047
Securities available for sale, 12 months or longer, Fair Value 81,629 83,991
Securities available for sale, 12 months or longer, Unrealized Losses 2,837 1,861
Securities available for sale, Fair Value, Total 334,603 308,623
Securities available for sale, Unrealized Losses, Total 9,355 3,908
Securities held to maturity, Less than 12 months, Fair Value 73,026 77,051
Securities held to maturity, Less than 12 months, Unrealized Losses 2,065 1,044
Securities held to maturity, 12 months or longer, Fair Value 141,808 144,719
Securities held to maturity, 12 months or longer, Unrealized Losses 5,921 4,118
Securities held to maturity, Fair Value, Total 214,834 221,770
Securities held to maturity, Unrealized Losses, Total 7,986 5,162
Mortgage-Backed Securities [Member] | Federal National Mortgage Association [Member]    
Investment [Line Items]    
Securities available for sale, Less than 12 months, Fair Value 226,028 201,754
Securities available for sale, Less than 12 months, Unrealized Losses 5,855 1,855
Securities available for sale, 12 months or longer, Fair Value 65,749 67,383
Securities available for sale, 12 months or longer, Unrealized Losses 2,067 1,365
Securities available for sale, Fair Value, Total 291,777 269,137
Securities available for sale, Unrealized Losses, Total 7,922 3,220
Securities held to maturity, Less than 12 months, Fair Value 6,604 3,766
Securities held to maturity, Less than 12 months, Unrealized Losses 164 29
Securities held to maturity, 12 months or longer, Fair Value 2,610 2,694
Securities held to maturity, 12 months or longer, Unrealized Losses 125 59
Securities held to maturity, Fair Value, Total 9,214 6,460
Securities held to maturity, Unrealized Losses, Total 289 88
Mortgage-Backed Securities [Member] | Federal Home Loan Mortgage Corporation [Member]    
Investment [Line Items]    
Securities available for sale, Less than 12 months, Fair Value 22,258 20,446
Securities available for sale, Less than 12 months, Unrealized Losses 597 192
Securities available for sale, 12 months or longer, Fair Value 14,941 15,601
Securities available for sale, 12 months or longer, Unrealized Losses 764 483
Securities available for sale, Fair Value, Total 37,199 36,047
Securities available for sale, Unrealized Losses, Total 1,361 675
Securities held to maturity, 12 months or longer, Fair Value 3,000 3,094
Securities held to maturity, 12 months or longer, Unrealized Losses 193 119
Securities held to maturity, Fair Value, Total 3,000 3,094
Securities held to maturity, Unrealized Losses, Total 193 119
Mortgage-Backed Securities [Member] | Government National Mortgage Association [Member]    
Investment [Line Items]    
Securities available for sale, Less than 12 months, Fair Value 4,688 2,432
Securities available for sale, Less than 12 months, Unrealized Losses 66  
Securities available for sale, 12 months or longer, Fair Value 837 880
Securities available for sale, 12 months or longer, Unrealized Losses 6 12
Securities available for sale, Fair Value, Total 5,525 3,312
Securities available for sale, Unrealized Losses, Total 72 12
Securities held to maturity, Less than 12 months, Fair Value 15,403 17,327
Securities held to maturity, Less than 12 months, Unrealized Losses 424 136
Securities held to maturity, 12 months or longer, Fair Value 10,028 9,184
Securities held to maturity, 12 months or longer, Unrealized Losses 416 194
Securities held to maturity, Fair Value, Total 25,431 26,511
Securities held to maturity, Unrealized Losses, Total $ 840 $ 330