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Regulatory Requirements - Narrative (Details) - USD ($)	1 Months Ended	12 Months Ended
	Oct. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Compliance with Regulatory Capital Requirements for Mortgage Companies [Line Items]
Number of days from fiscal year end that servicer is obliged to provide audited financial statements		90 days
Capital requirement based on outstanding UPB of owned and subserviced portfolio		$ 372,100,000
Covenant liquidity requirement		40,800,000
Capital		568,200,000
Cash and cash equivalents		$ 192,792,000	$ 284,802,000
Percentage portfolio of loans serviced or subserviced		2.00%
California Department of Business Oversight
Compliance with Regulatory Capital Requirements for Mortgage Companies [Line Items]
Litigation settlement expense	$ 62,000
PMC
Compliance with Regulatory Capital Requirements for Mortgage Companies [Line Items]
Cash and cash equivalents		$ 169,600,000

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- Definition

Number of days from fiscal year end that servicer is obliged to provide audited financial statements.

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Percentage of restriction on portfolio of New York loans serviced or subserviced to the aggregate portfolio of loans service or subservice.

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Amount of total capital as defined by regulatory framework.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 505
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 210
-Section 45
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=118262064&loc=SL116631418-115840

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Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees.

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