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v3.21.2

Bank segment - Contractual maturities of investment securities (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020
Available-for-sale |  |  |  |  |
Due in one year or less | $ 0 |  | $ 0 |  |
Due after one year through five years | 76,247 |  | 76,247 |  |
Due after five years through ten years | 45,268 |  | 45,268 |  |
Due after ten years | 15,427 |  | 15,427 |  |
Total amortized cost | 136,942 |  | 136,942 |  |
Mortgage-backed securities — issued or guaranteed by U.S. Government agencies or sponsored agencies | 2,471,650 |  | 2,471,650 |  |
Amortized cost | 2,608,592 |  | 2,608,592 |  |
Held-to-maturity |  |  |  |  |
Due in one year or less | 0 |  | 0 |  |
Due after one year through five years | 0 |  | 0 |  |
Due after five years through ten years | 40,064 |  | 40,064 |  |
Due after ten years | 0 |  | 0 |  |
Total amortized cost | 40,064 |  | 40,064 |  |
Mortgage-backed securities — issued or guaranteed by U.S. Government agencies or sponsored agencies | 451,807 |  | 451,807 |  |
Amortized cost | 491,871 |  | 491,871 |  |
Available-for-sale |  |  |  |  |
Due in one year or less | 0 |  | 0 |  |
Due after one year through five years | 78,071 |  | 78,071 |  |
Due after five years through ten years | 45,649 |  | 45,649 |  |
Due after ten years | 15,427 |  | 15,427 |  |
Total fair value | 139,147 |  | 139,147 |  |
Mortgage-backed securities — issued or guaranteed by U.S. Government agencies or sponsored agencies | 2,441,683 |  | 2,441,683 |  |
Total available-for-sale securities | 2,580,830 |  | 2,580,830 |  | $ 1,970,417
Held-to-maturity |  |  |  |  |
Due in one year or less | 0 |  | 0 |  |
Due after one year through five years | 0 |  | 0 |  |
Due after five years through ten years | 40,151 |  | 40,151 |  |
Due after ten years | 0 |  | 0 |  |
Total fair value | 40,151 |  | 40,151 |  |
Mortgage-backed securities — issued or guaranteed by U.S. Government agencies or sponsored agencies | 444,503 |  | 444,503 |  |
Total held-to-maturity securities | 484,654 |  | 484,654 |  |
Proceeds, gross gains and losses from sales of available-for-sale securities |  |  |  |  |
Proceeds | 0 | $ 0 | 197,354 | $ 169,157 |
Gross gains | 0 | 0 | 975 | 9,312 |
Gross losses | 0 | 0 | 447 | 37 |
Tax expense on realized gains | $ 0 | $ 0 | $ 142 | $ 2,492 |

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