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, 2022
Dec. 31, 2021
Available-for-sale securities    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning of period level 3 fair value $ 12,304 $ 13,031
Realized (losses) gains (1,405) (10,905)
Unrealized (losses) gains (3,632) (1,185)
Provision for credit losses 1,213 11,188
Total gains (losses) included in net income (3,824) (902)
Other comprehensive loss 1,023 (9,449)
Purchases 122,030 11,201
Sales (6,375) (1,577)
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 125,158 12,304
Change in unrealized gains or losses for the period included in earnings for assets held at the end of the reporting period (4,535) (1,185)
Change in unrealized gains or losses for the period included in other comprehensive (loss) income for assets held at the end of the reporting period (3,512) (10,635)
Mortgage servicing rights    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning of period level 3 fair value 2,191,578 1,596,153
Realized (losses) gains (368,255) (677,784)
Unrealized (losses) gains 793,631 562,843
Provision for credit losses 0 0
Total gains (losses) included in net income 425,376 (114,941)
Other comprehensive loss 0 0
Purchases 640,051 777,305
Sales (261,827) (31,787)
Settlements 10,241 35,152
Gross transfers into level 3 0 0
Gross transfers out of level 3 0 0
End of period level 3 fair value 2,984,937 2,191,578
Change in unrealized gains or losses for the period included in earnings for assets held at the end of the reporting period 696,807 461,258
Change in unrealized gains or losses for the period included in other comprehensive (loss) income for assets held at the end of the reporting period $ 0 $ 0