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Fair Value Measurements - Recurring Level III Assets (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Fair Value, Assets Including Derivatives Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Fair Value Recurring Basis Unobservable Input Reconciliation Asset Gain Loss Statement Of Other Comprehensive Income Extensible List Not Disclosed Flag Unrealized gain included in other comprehensive income (loss)  
Level III    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance $ 35,343 $ 41,763
Realized and unrealized gain (loss) included in earnings 0 7
Purchase of securities   862
Maturities/calls (67) (2,290)
Unrealized gain (loss) included in other comprehensive income (loss) 1,182 (674)
Ending balance 36,458 39,668
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]    
Beginning balance 787 0
Realized and unrealized gain (loss) included in earnings (139) 0
Purchase of securities   0
Maturities/calls 0 0
Unrealized gain (loss) included in other comprehensive loss 0 0
Ending balance 648 0
Fair Value, Assets Including Derivatives Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance 36,130 41,763
Realized and unrealized gain included in earnings (139) 7
Purchase of securities   862
Maturities/calls (67) (2,290)
Unrealized loss included in other comprehensive loss 1,182 (674)
Ending balance $ 37,106 $ 39,668