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v3.20.2

Securities, Available for Sale (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019 | Dec. 31, 2019
Debt securities, available-for-sale [Abstract] |  |  |  |  |
Amortized cost | $ 1,164,633 |  | $ 1,164,633 |  | $ 968,554
Unrealized gains | 33,850 |  | 33,850 |  | 8,319
Unrealized losses | 558 |  | 558 |  | 1,533
Estimated fair value | 1,197,925 |  | 1,197,925 |  | 975,340
Allowance for credit losses on AFS securities | 0 |  | 0 |  |
Sales transactions of securities available for sale [Abstract] |  |  |  |  |
Gross realized gains | 0 | $ 20 | 3 | $ 73 |
Gross realized (losses) | 0 | 0 | 0 | (152) |
Net AFS realized gains (losses) | 0 | 20 | 3 | (79) |
Gains from calls on securities available for sale | 0 | $ 20 | 3 | $ 25 |
Federal Agency [Member] |  |  |  |  |
Debt securities, available-for-sale [Abstract] |  |  |  |  |
Amortized cost | 195,588 |  | 195,588 |  | 34,998
Unrealized gains | 97 |  | 97 |  | 3
Unrealized losses | 541 |  | 541 |  | 243
Estimated fair value | 195,144 |  | 195,144 |  | 34,758
State & Municipal [Member] |  |  |  |  |
Debt securities, available-for-sale [Abstract] |  |  |  |  |
Amortized cost | 10,712 |  | 10,712 |  | 2,533
Unrealized gains | 173 |  | 173 |  | 0
Unrealized losses | 2 |  | 2 |  | 20
Estimated fair value | 10,883 |  | 10,883 |  | 2,513
Mortgage-Backed, Government Sponsored Enterprises [Member] |  |  |  |  |
Debt securities, available-for-sale [Abstract] |  |  |  |  |
Amortized cost | 406,495 |  | 406,495 |  | 453,614
Unrealized gains | 18,216 |  | 18,216 |  | 4,982
Unrealized losses | 0 |  | 0 |  | 239
Estimated fair value | 424,711 |  | 424,711 |  | 458,357
Mortgage-Backed, U.S. Government Agency Securities [Member] |  |  |  |  |
Debt securities, available-for-sale [Abstract] |  |  |  |  |
Amortized cost | 55,259 |  | 55,259 |  | 44,758
Unrealized gains | 2,358 |  | 2,358 |  | 667
Unrealized losses | 9 |  | 9 |  | 156
Estimated fair value | 57,608 |  | 57,608 |  | 45,269
Collateralized Mortgage Obligations, Government-Sponsored Enterprises [Member] |  |  |  |  |
Debt securities, available-for-sale [Abstract] |  |  |  |  |
Amortized cost | 350,114 |  | 350,114 |  | 328,499
Unrealized gains | 8,539 |  | 8,539 |  | 1,949
Unrealized losses | 2 |  | 2 |  | 467
Estimated fair value | 358,651 |  | 358,651 |  | 329,981
Collateralized Mortgage Obligations, U.S. Government Agency Securities [Member] |  |  |  |  |
Debt securities, available-for-sale [Abstract] |  |  |  |  |
Amortized cost | 128,965 |  | 128,965 |  | 104,152
Unrealized gains | 4,136 |  | 4,136 |  | 718
Unrealized losses | 0 |  | 0 |  | 408
Estimated fair value | 133,101 |  | 133,101 |  | $ 104,462
Corporate [Member] |  |  |  |  |
Debt securities, available-for-sale [Abstract] |  |  |  |  |
Amortized cost | 17,500 |  | 17,500 |  |
Unrealized gains | 331 |  | 331 |  |
Unrealized losses | 4 |  | 4 |  |
Estimated fair value | $ 17,827 |  | $ 17,827 |  |

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