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Principles of Consolidation - Additional Information (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2022 USD ($) partnership entity	Dec. 31, 2021 USD ($)
Variable Interest Entity [Line Items]
Number of partnerships consolidated | partnership	2
VIE, ownership interest rate (as a percent)	80.00%
Mortgage servicing rights	$ 239,552	$ 310,953
Loans for sale at fair value that were acquired	$ 222,000
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Number of partnerships consolidated | partnership	2
Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Number of securitization entities to which asset transferred (in entities) | entity	46
Number of entities called | entity	3
Unpaid principal balance of loans purchased	$ 102,000
Gain related to called security	$ 300

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Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.

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Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

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