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Capitalized Mortgage Servicing Rights - Summary of Capitalized MSRs (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Capitalized Mortgage Servicing Rights
Beginning balance	$ 391,254
Ending balance	385,520
MSRs
Capitalized Mortgage Servicing Rights
Beginning balance	391,254	$ 401,471
Additions	12,684	13,886
Amortization	(16,631)	(15,416)
Write-downs and payoffs	(1,787)	(3,307)
Ending balance	385,520	396,634
Expected amortization of capitalized MSRs balances
2024 (nine months ending 12/31/2024)	50,032
2025	63,963
2026	58,488
2027	53,971
2028	46,721
Thereafter	112,345
Total	385,520
Originated
Capitalized Mortgage Servicing Rights
Beginning balance	382,582	386,878
Additions	12,684	13,886
Amortization	(15,821)	(14,287)
Write-downs and payoffs	(1,698)	(2,841)
Ending balance	377,747	383,636
Acquired
Capitalized Mortgage Servicing Rights
Beginning balance	8,672	14,593
Amortization	(810)	(1,129)
Write-downs and payoffs	(89)	(466)
Ending balance	$ 7,773	$ 12,998

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