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Commitments and Contingencies - Narrative (Details) - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Loss Contingencies [Line Items]    
Reserve for OBS credit exposures(1) $ 17,539 $ 16,328
Valuation allowances and reserves, balance 6,000 6,000
Residential Mortgage    
Loss Contingencies [Line Items]    
Valuation allowances and reserves, balance $ 1,400 $ 1,400