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Commitments and Contingencies - Narrative (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Commitments to Extend Credit |  |
Letters of credit | $ 2,430,000 | $ 2,290,000
Allowance for unfunded credit commitments | 27,700 | 26,200
Accrued expenses and other liabilities |  |
Other Commitments |  |
Unfunded commitments for investments in AHP and other tax credit investments | 431,400 | 452,500
Loans Sold or Securitized With Recourse | Single Family and Multi-family Residential Loans | Loans Sold or Securitized with Recourse |  |
Commitments to Extend Credit |  |
Allowance for unfunded credit commitments | 36 | 37
Standby Letters of Credit |  |
Commitments to Extend Credit |  |
Letters of credit | 2,400,000 | 2,270,000
Commercial Letters of Credit |  |
Commitments to Extend Credit |  |
Letters of credit | $ 29,600 | $ 21,600

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- Definition Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
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