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v3.22.2.2

Investments - Investments by contractual maturity (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Apr. 01, 2022 | Dec. 31, 2021
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Schedule of Available-for-sale Securities |  |  |
Within one year, amortized cost | $ 0 |  |
Within one year, estimated fair value | 0 |  |
After one year through five years, amortized cost | 0 |  |
After one year through five years, estimated fair value | 0 |  |
After five years through ten years, amortized cost | 46,640 |  |
After five years through ten years, estimated fair value | 38,868 |  |
After ten years, amortized cost | 183,069 |  |
After ten years, estimated fair value | 152,279 |  |
Total securities with single maturity date, amortized cost | 229,709 |  |
Total securities with single maturity date, estimated fair value | 191,147 |  |
Debt securities, amortized cost | 772,677 |  | $ 1,098,373
Available-for-sale debt securities | 668,300 |  | 1,109,208
Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Fair Value | 0 |  |
Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, Year One | 0 |  |
Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five | 124 |  |
Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, after Year One through Five | 131 |  |
Debt Securities, Held-to-maturity, Maturity, Rolling after Five Through Ten Years, Weighted Average Yield | 49,810 |  |
Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 | 44,318 |  |
Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10 | 119,437 |  |
Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, after Year 10 | 142,034 |  |
Held-to-maturity investment securities | 163,879 |  |
Held-to-maturity investment securities | 191,975 | $ 306,700 |
Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity, without Single Maturity Date | 305,482 |  | 0
Debt Securities, Held-to-maturity, Maturity, without Single Maturity Date, Fair Value | 267,443 |  |
U.S. Government agencies |  |  |
Schedule of Available-for-sale Securities |  |  |
Investment securities not due at a single maturity date, amortized cost | 344 |  |
Investment securities not due at a single maturity date, estimated fair value | 333 |  |
Debt securities, amortized cost | 344 |  | 373
Available-for-sale debt securities | 333 |  | 379
U.S. Government sponsored entities and agencies collateralized by residential mortgage obligations |  |  |
Schedule of Available-for-sale Securities |  |  |
Investment securities not due at a single maturity date, amortized cost | 123,093 |  |
Investment securities not due at a single maturity date, estimated fair value | 115,340 |  |
Debt securities, amortized cost | 123,093 |  | 213,471
Available-for-sale debt securities | 115,340 |  | 214,439
Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity, without Single Maturity Date | 10,350 |  |
Debt Securities, Held-to-maturity, Maturity, without Single Maturity Date, Fair Value | 9,033 |  |
Private label mortgage and asset backed securities |  |  |
Schedule of Available-for-sale Securities |  |  |
Investment securities not due at a single maturity date, amortized cost | 419,531 |  |
Investment securities not due at a single maturity date, estimated fair value | 361,480 |  |
Debt securities, amortized cost | 419,531 |  | 317,089
Available-for-sale debt securities | 361,481 |  | 313,220
Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity, without Single Maturity Date | 57,201 |  |
Debt Securities, Held-to-maturity, Maturity, without Single Maturity Date, Fair Value | 51,168 |  |
Corporate debt securities |  |  |
Schedule of Available-for-sale Securities |  |  |
Debt securities, amortized cost |  |  | 44,500
Available-for-sale debt securities |  |  | $ 44,778
Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity, without Single Maturity Date | 45,956 |  |
Debt Securities, Held-to-maturity, Maturity, without Single Maturity Date, Fair Value | $ 43,363 |  |

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