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v3.22.2.2

Securities Available for Sale - Amortized Cost and Estimated Fair Value (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Amortized Cost |  |
Due within one year | $ 2,616 |
Due after one year through five years | 102,687 |
Due after five years through ten years | 159,709 |
Due after ten years | 2,056,683 |
Amortized Cost | 2,321,695 | $ 2,685,648
Due within one year | 0 |
Due after one year through five years | 0 |
Due after five years through ten years | 36,906 |
Due after ten years | 234,279 |
Total | 271,185 |
Estimated Fair Value |  |
Due within one year | 2,565 |
Due after one year through five years | 95,593 |
Due after five years through ten years | 143,728 |
Due after ten years | 1,751,462 |
Estimated Fair Value | 1,993,348 | 2,666,275
Due within one year | 0 |
Due after one year through five years | 0 |
Due after five years through ten years | 35,677 |
Due after ten years | 223,000 |
Total | 258,677 |
Collateralized mortgage obligations |  |
Amortized Cost |  |
Amortized Cost | 974,052 | 1,039,543
Estimated Fair Value |  |
Estimated Fair Value | 824,327 | 1,026,430
Mortgage-backed securities: Residential |  |
Amortized Cost |  |
Amortized Cost | 555,997 | 769,113
Estimated Fair Value |  |
Estimated Fair Value | 456,590 | 759,224
Mortgage-backed securities: Commercial |  |
Amortized Cost |  |
Amortized Cost | 426,483 | 595,659
Estimated Fair Value |  |
Estimated Fair Value | 379,615 | 599,402
Asset-backed Securities |  |
Amortized Cost |  |
Amortized Cost | 153,548 | 153,564
Estimated Fair Value |  |
Estimated Fair Value | 143,903 | 153,451
Municipal Bonds [Member] |  |
Amortized Cost |  |
Amortized Cost | 180,265 | 104,371
Estimated Fair Value |  |
Estimated Fair Value | 162,434 | $ 105,284
US Treasury Notes Securities |  |
Amortized Cost |  |
Amortized Cost | 3,988 |
Estimated Fair Value |  |
Estimated Fair Value | $ 3,889 |

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