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Fair Value Measurements - Reconciliation of Level 3 Assets (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Mortgage Loans Held for Sale
Reconciliation of Level 3 Assets:
Beginning balance	$ 1,082,730	$ 2,309,366
Transfers in	211,058	522,640
Transfers out/principal reductions	(600,454)	(618,320)
Net transfers and revaluation gains	0	0
Total gains (losses) included in net income	70,427	(34,924)
Ending balance	763,761	2,178,762
IRLCs
Reconciliation of Level 3 Assets:
Beginning balance	90,635	538,861
Transfers in	0	0
Transfers out/principal reductions	0	0
Net transfers and revaluation gains	91,477	(325,651)
Total gains (losses) included in net income	0	0
Ending balance	182,112	213,210
Non-Mortgage Loans Held for Sale
Reconciliation of Level 3 Assets:
Beginning balance	0	0
Transfers in	32,838	0
Transfers out/principal reductions	0	0
Net transfers and revaluation gains	0	0
Total gains (losses) included in net income	(348)	0
Ending balance	$ 32,490	$ 0

X

- Definition

Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset, Net Transfers And Revaluation Gain (Loss)

+ References

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- Definition

Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases And Issues

+ References

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- Definition

Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales And Settlements

+ References

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

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- Definition

Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

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