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Goodwill and Intangible Assets - Changes in Servicing Rights (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2024	Sep. 30, 2023	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Changes in the mortgage servicing rights
Beginning balance				$ 58,674
Amortization	$ (1,977)		$ (2,007)	(3,985)	$ (3,370)
Ending balance	54,689			54,689
MSRs
Changes in the mortgage servicing rights
Beginning balance		$ 9,557		4,911	9,162
Originations				204	808
Recovery				$ 61	$ 66
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration]				Gain (Loss) on Sale of Mortgage Loans	Gain (Loss) on Sale of Mortgage Loans
Amortization				$ (257)	$ (479)
Ending balance	4,919		9,557	4,919	9,557
Fair value	7,539		14,004	7,539	14,004
Sale of Mortgage Servicing Rights
Unpaid principal balances from mortgage servicing rights portfolio		486,700
Decrease in mortgage servicing right intangible		4,700
Small Business Administration ("SBA") servicing rights
Changes in the mortgage servicing rights
Beginning balance		$ 2,667		2,440	2,666
Originations				623	162
Disposals				(247)	(245)
Recovery				104	153
Amortization				(172)	(69)
Ending balance	2,748		2,667	2,748	2,667
Fair value	$ 2,748		$ 2,667	$ 2,748	$ 2,667

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Amount of decrease in intangible assets through disposals.

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Fair value portion of assets, excluding financial assets, that lack physical substance, having a limited useful life.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of increase (decrease) in carrying value of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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