Capitalized Mortgage Servicing Rights - Summary of Capitalized MSRs (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Capitalized Mortgage Servicing Rights
Beginning balance	$ 340,842
Ending balance	331,929
MSRs
Capitalized Mortgage Servicing Rights
Beginning balance	340,842	$ 368,678
Additions	10,427	9,406
Amortization	(18,293)	(17,758)
Write-downs and payoffs	(1,047)	(3,106)
Ending balance	331,929	357,220
Expected amortization of capitalized MSRs balances
2026 (nine months ending 12/31/2026)	53,739
2027	68,128
2028	61,367
2029	52,504
2030	38,542
Thereafter	57,649
Total	331,929
Originated
Capitalized Mortgage Servicing Rights
Beginning balance	338,174	363,861
Additions	10,427	9,406
Amortization	(17,953)	(17,195)
Write-downs and payoffs	(1,027)	(3,067)
Ending balance	329,621	353,005
Acquired
Capitalized Mortgage Servicing Rights
Beginning balance	2,668	4,817
Amortization	(340)	(563)
Write-downs and payoffs	(20)	(39)
Ending balance	$ 2,308	$ 4,215

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Amount of write-downs and payoffs applied to contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.

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Amount of additions from purchases, assumption or transfer to contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.

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Amount of amortization of contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.

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