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Fair Value - Summary of Change in MSR Assets (Detail) - MSR Assets [Member] $ in Thousands	9 Months Ended
	Sep. 30, 2023 USD ($)
Servicing Asset at Amortized Cost [Line Items]
Balance as of December 31, 2022	$ 28,991
Additions	874
Fair value adjustments	(726)
Balance as of September 30, 2023	$ 29,139

X

- Definition

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.

+ References

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Fair value 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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Amount of increase (decrease) in the amortized amount from a decrease (increase) in the valuation allowance applied to the servicing asset for a contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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