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v3.20.2

Securities, Held to Maturity (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019 | Dec. 31, 2019
Held-to-maturity securities, fair value to amortized cost [Abstract] |  |  |  |  |
Amortized cost | $ 599,164 |  | $ 599,164 |  | $ 630,074
Unrealized gains | 23,868 |  | 23,868 |  | 11,817
Unrealized losses | 10 |  | 10 |  | 629
Estimated fair value | 623,022 |  | 623,022 |  | 641,262
Allowance for credit losses on HTM securities | 0 |  | 0 |  |
Gains from calls on HTM securities | 4 | $ 0 | 4 | $ 0 |
Held-to-maturity securities sold, amortized cost | 1,000 | $ 0 | 1,000 | $ 0 |
Held-to-maturity securities sold, unrealized loss | 1 |  | 1 |  |
Amortized costs of securities available for sale and held to maturity pledged | 1,300,000 |  | 1,300,000 |  | 1,300,000
Amortized costs of securities AFS and HTM pledged as collateral for repurchase agreements | 249,800 |  | 249,800 |  | 189,800
Mortgage-Backed, Government Sponsored Enterprises [Member] |  |  |  |  |
Held-to-maturity securities, fair value to amortized cost [Abstract] |  |  |  |  |
Amortized cost | 144,556 |  | 144,556 |  | 149,448
Unrealized gains | 5,886 |  | 5,886 |  | 3,184
Unrealized losses | 0 |  | 0 |  | 155
Estimated fair value | 150,442 |  | 150,442 |  | 152,477
Mortgage-Backed, U.S. Government Agency Securities [Member] |  |  |  |  |
Held-to-maturity securities, fair value to amortized cost [Abstract] |  |  |  |  |
Amortized cost | 12,220 |  | 12,220 |  | 13,667
Unrealized gains | 938 |  | 938 |  | 584
Unrealized losses | 0 |  | 0 |  | 0
Estimated fair value | 13,158 |  | 13,158 |  | 14,251
Collateralized Mortgage Obligations, Government-Sponsored Enterprises [Member] |  |  |  |  |
Held-to-maturity securities, fair value to amortized cost [Abstract] |  |  |  |  |
Amortized cost | 145,235 |  | 145,235 |  | 189,402
Unrealized gains | 5,445 |  | 5,445 |  | 2,165
Unrealized losses | 0 |  | 0 |  | 368
Estimated fair value | 150,680 |  | 150,680 |  | 191,199
Collateralized Mortgage Obligations, U.S. Government Agency Securities [Member] |  |  |  |  |
Held-to-maturity securities, fair value to amortized cost [Abstract] |  |  |  |  |
Amortized cost | 105,862 |  | 105,862 |  | 110,498
Unrealized gains | 5,447 |  | 5,447 |  | 3,256
Unrealized losses | 0 |  | 0 |  | 100
Estimated fair value | 111,309 |  | 111,309 |  | 113,654
State & Municipal [Member] |  |  |  |  |
Held-to-maturity securities, fair value to amortized cost [Abstract] |  |  |  |  |
Amortized cost | 191,291 |  | 191,291 |  | 167,059
Unrealized gains | 6,152 |  | 6,152 |  | 2,628
Unrealized losses | 10 |  | 10 |  | 6
Estimated fair value | $ 197,433 |  | $ 197,433 |  | $ 169,681

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