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v3.22.2.2

Investment Securities - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2022 | Jun. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Dec. 31, 2021
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |  |
Federal Reserve and Federal Home Loan Bank stock | $ 42,311 |  |  | $ 42,311 |  | $ 34,153
Transfer to real estate owned |  |  |  | 475 | $ 148 |
Payments to acquire held-to-maturity securities |  |  |  | 290,740 | 0 |
Realized gain recognized at time of transfer |  |  |  | 0 |  |
Accrued interest on HTM securities | 3,800 |  |  | 3,800 |  |
AFS Allowance for credit losses | 18 |  |  | 18 |  | 620
HTM Allowance for credit losses | $ (802) |  |  | $ (802) |  | $ 0
Debt securities as percentage of total investment securities | (100.00%) |  |  | (100.00%) |  |
Debt securities weighted average duration |  |  |  | 4 years 10 months 2 days |  |
Debt securities, available-for-sale, realized gain | $ 4 |  | $ 1,500 | $ 16 | 2,200 |
Debt securities, available-for-sale, realized loss | 0 |  | 0 | 187 | 187 |
Gross proceeds from sales and calls | $ 12,600 |  | $ 85,500 | $ 32,700 | $ 164,600 |
Holdings of securities of any one issuer | 10.00% |  |  | 10.00% |  | 10.00%
Residential mortgage-backed securities |  |  |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |  |
Transfer to real estate owned |  | $ 1,100,000 |  |  |  |
Payments to acquire held-to-maturity securities |  | 237,000 |  |  |  |
Unrealized gain (loss) |  | $ 66,200 |  | $ 61,100 |  |
AFS Allowance for credit losses | $ 0 |  |  | 0 |  | $ 0
HTM Allowance for credit losses | 0 |  |  | 0 |  |
Other Assets |  |  |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |  |
Accrued interest on available for sale securities | 4,500 |  |  | 4,500 |  | 6,000
Collateral Pledged |  |  |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |  |
Debt securities, available-for-sale, restricted | $ 146,100 |  |  | $ 146,100 |  | $ 261,000

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