Annual report pursuant to Section 13 and 15(d)

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation (Details)

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Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Available-for-sale securities    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning of period level 3 fair value $ 125,158 $ 12,304
Realized gains (losses) (1,408) (1,405)
Unrealized gains (losses) 4,817 (3,632)
Reversal of provision for credit losses (146) 1,213
Net gains (losses) included in net income 3,263 (3,824)
Other comprehensive income 1,112 1,023
Purchases 0 122,030
Sales (125,383) (6,375)
Settlements 0 0
Gross transfers into level 3 0 0
Gross transfers out of level 3 0 0
End of period level 3 fair value 4,150 125,158
Change in unrealized gains or losses for the period included in earnings for assets held at the end of the reporting period 1,112 (4,535)
Change in unrealized gains or losses for the period included in other comprehensive income (loss) for assets held at the end of the reporting period 0 (3,512)
Mortgage servicing rights    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning of period level 3 fair value 2,984,937 2,191,578
Realized gains (losses) (209,479) (368,255)
Unrealized gains (losses) 97,859 793,631
Reversal of provision for credit losses 0 0
Net gains (losses) included in net income (111,620) 425,376
Other comprehensive income 0 0
Purchases 317,194 640,051
Sales (133,938) (261,827)
Settlements (4,557) (10,241)
Gross transfers into level 3 0 0
Gross transfers out of level 3 0 0
End of period level 3 fair value 3,052,016 2,984,937
Change in unrealized gains or losses for the period included in earnings for assets held at the end of the reporting period 119,164 696,807
Change in unrealized gains or losses for the period included in other comprehensive income (loss) for assets held at the end of the reporting period $ 0 $ 0