XML 47 R35.htm IDEA: XBRL DOCUMENT v3.21.2
Securities, Available for Sale (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Debt securities, available-for-sale [Abstract]          
Amortized cost $ 1,518,649   $ 1,518,649   $ 1,318,711
Unrealized gains 24,627   24,627   32,166
Unrealized losses 8,543   8,543   2,179
Estimated fair value 1,534,733   1,534,733   1,348,698
Allowance for credit losses on AFS securities 0   0   0
Gross realized gains 0 $ 0 0 $ 3  
Gross realized losses 0 $ 0 0    
Gains from calls on securities available for sale       $ 3  
Federal Agency [Member]          
Debt securities, available-for-sale [Abstract]          
Amortized cost 248,470   248,470   245,590
Unrealized gains 0   0   59
Unrealized losses 4,810   4,810   2,052
Estimated fair value 243,660   243,660   243,597
State & Municipal [Member]          
Debt securities, available-for-sale [Abstract]          
Amortized cost 58,347   58,347   42,550
Unrealized gains 201   201   630
Unrealized losses 480   480   0
Estimated fair value 58,068   58,068   43,180
Mortgage-Backed, Government Sponsored Enterprises [Member]          
Debt securities, available-for-sale [Abstract]          
Amortized cost 615,554   615,554   521,448
Unrealized gains 12,456   12,456   17,079
Unrealized losses 2,418   2,418   22
Estimated fair value 625,592   625,592   538,505
Mortgage-Backed, U.S. Government Agency Securities [Member]          
Debt securities, available-for-sale [Abstract]          
Amortized cost 57,786   57,786   55,049
Unrealized gains 2,167   2,167   2,332
Unrealized losses 62   62   47
Estimated fair value 59,891   59,891   57,334
Collateralized Mortgage Obligations, Government-Sponsored Enterprises [Member]          
Debt securities, available-for-sale [Abstract]          
Amortized cost 411,168   411,168   311,710
Unrealized gains 6,179   6,179   7,549
Unrealized losses 773   773   58
Estimated fair value 416,574   416,574   319,201
Collateralized Mortgage Obligations, U.S. Government Agency Securities [Member]          
Debt securities, available-for-sale [Abstract]          
Amortized cost 92,824   92,824   114,864
Unrealized gains 2,241   2,241   3,739
Unrealized losses 0   0   0
Estimated fair value 95,065   95,065   118,603
Corporate [Member]          
Debt securities, available-for-sale [Abstract]          
Amortized cost 34,500   34,500   27,500
Unrealized gains 1,383   1,383   778
Unrealized losses 0   0   0
Estimated fair value $ 35,883   $ 35,883   $ 28,278