Fair Value - Summary of Changes in Financial Assets Valued Using Level 3 Inputs (Details) - Level 3 [Member] - Fair Value, Recurring [Member] $ in Thousands	3 Months Ended
Mar. 31, 2022 USD ($)
MSR Assets [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance as of December 31, 2021	$ 16,469
Change in accounting method	4,484
Additions	2,961
Fair value adjustments	3,777
Balance as of March 31, 2022	27,691
Corporate Bonds [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance as of December 31, 2021	11,064
Transfers from Level 2 to Level 3	2,000
Transfers from Level 3 to Level 2	(5,001)
Fair value adjustments	(6)
Balance as of March 31, 2022	8,057
Mortgage Backed Securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance as of December 31, 2021	7,916
Transfers from Level 3 to Level 2	(1,007)
Sales or paydowns	(76)
Fair value adjustments	(1)
Balance as of March 31, 2022	$ 6,832

Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Additions

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- Definition

Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Fair Value Adjustments

+ References

No definition available.

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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.

+ References

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- Definition

Amount of increase (decrease) 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 http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

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- Definition

Amount of sale 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)(2)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

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- Definition

Amount of transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy.

+ 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)(3)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

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- Definition

Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy.

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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.

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