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-- None. No documentation exists for this element. --

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Financing Liabilities [Abstract]

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-- None. No documentation exists for this element. --

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This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents loans held-for-sale at lower cost of fair value as presented on the statement of financial position which may include mortgage loans held-for-sale, finance receivables held-for-sale, or any other loans classified as held-for-sale which are due the Company as of the balance sheet date.

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This element represents the home equity conversion mortgages insured by FHA.

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Mortgage Service Rights [Abstract]

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Other financing liabilities.

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Fair value portion of mortgage loans held-for-sale.

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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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Fair Value - Schedule of Fair Value Assets and Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Jun. 30, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Dec. 31, 2019
Loans held for sale
Loans held for sale, at fair value	$ 921,621	$ 680,866	$ 366,364	$ 366,966	$ 253,037	$ 208,752
Investment in equity method investee	19,794		0
Financial liabilities:
Advance match funded liabilities	516,572		581,288
HMBS-related borrowings	6,782,564	6,823,911	6,772,711	6,606,543	6,477,616	6,063,435
Financing liabilities:
Other financing liabilities, at fair value	710,911		576,722
Other secured borrowings:
Mortgage loan warehouse facilities	1,069,170		451,713
MSR financing facilities, net	945,744		437,672
Senior Notes [Abstract]
Senior notes, net	612,658		311,898
Derivative financial instruments assets (liabilities):
Derivative liabilities	(20,518)		(4,638)
Derivative liability, fair value	20,518		4,638
Mortgage servicing rights
Mortgage servicing rights, at fair value	2,176,260	$ 2,072,518	1,294,817	$ 1,069,013	$ 1,044,914	$ 1,486,395
Carrying Value
Loans held for sale
Total Loans held for sale	933,700		387,836
Loans held for investment	7,108,730		7,006,897
Senior Notes [Abstract]
Senior notes, net	612,658		311,898
Fair Value
Loans held for sale
Total Loans held for sale	933,700		387,836
Loans held for investment	7,108,730		7,006,897
Senior Notes [Abstract]
Senior notes, net	662,295		320,879
Level 2 \| Carrying Value
Loans held for sale
Loans held for sale, at fair value	921,621		366,364
Corporate bonds	211		211
Other secured borrowings:
Senior secured term loan	0		179,776
Senior Notes [Abstract]
Senior secured notes	392,190		311,898
Level 2 \| Fair Value
Loans held for sale
Loans held for sale, at fair value	921,621		366,364
Corporate bonds	211		211
Other secured borrowings:
Senior secured term loan	0		184,639
Senior Notes [Abstract]
Senior secured notes	403,490		320,879
Level 3 \| Carrying Value
Loans held for sale
Loans held for sale, at lower of cost or fair value	12,079		21,472
Loans held for investment	7,100,726		6,997,127
Advances (including match funded)	739,596		828,239
Receivables, net	183,090		187,665
Mortgage-backed securities, at fair value	1,618		2,019
Investment in equity method investee			0
Financial liabilities:
Advance match funded liabilities	516,572		581,288
HMBS-related borrowings	6,782,564		6,772,711
Other secured borrowings:
Mortgage loan warehouse facilities	1,069,170		451,713
MSR financing facilities, net	945,744		437,672
Derivative financial instruments assets (liabilities):
Interest rate lock commitments	14,030		22,706
Mortgage servicing rights
Mortgage servicing rights, at fair value	2,176,260		1,294,817
Level 3 \| Carrying Value \| Second Lien
Senior Notes [Abstract]
Senior secured notes	220,468		0
Level 3 \| Fair Value
Loans held for sale
Loans held for sale, at lower of cost or fair value	12,079		21,472
Loans held for investment	7,100,726		6,997,127
Advances (including match funded)	739,596		828,239
Receivables, net	183,090		187,665
Mortgage-backed securities, at fair value	1,618		2,019
Investment in equity method investee			0
Financial liabilities:
Advance match funded liabilities	515,405		581,997
HMBS-related borrowings	6,782,564		6,772,711
Other secured borrowings:
Mortgage loan warehouse facilities	1,069,170		451,713
MSR financing facilities, net	918,217		406,860
Derivative financial instruments assets (liabilities):
Interest rate lock commitments	14,030		22,706
Mortgage servicing rights
Mortgage servicing rights, at fair value	2,176,260		1,294,817
Level 3 \| Fair Value \| Second Lien
Senior Notes [Abstract]
Senior secured notes	258,805		0
Loans Held for Investment Securitization Trusts \| Level 3 \| Carrying Value
Loans held for sale
Loans held for investment	8,004		9,770
Loans Held for Investment Securitization Trusts \| Level 3 \| Fair Value
Loans held for sale
Loans held for investment	8,004		9,770
Forward LHFS Trades \| Level 2 \| Carrying Value
Derivative financial instruments assets (liabilities):
Derivative asset	421
Derivative liabilities			50
Forward LHFS Trades \| Level 2 \| Fair Value
Derivative financial instruments assets (liabilities):
Derivative asset	421
Derivative liabilities			50
TBA forward MBS trades
Derivative financial instruments assets (liabilities):
Derivative liability, fair value	11,227		4,554
TBA forward MBS trades \| Level 1 \| Carrying Value
Derivative financial instruments assets (liabilities):
Derivative liabilities	(11,227)		(4,554)
TBA forward MBS trades \| Level 1 \| Fair Value
Derivative financial instruments assets (liabilities):
Derivative liabilities	(11,227)		(4,554)
Interest Rate Swap
Derivative financial instruments assets (liabilities):
Derivative liability, fair value	8,236		0
Interest Rate Swap \| Level 1 \| Carrying Value
Derivative financial instruments assets (liabilities):
Derivative asset			504
Derivative liabilities	(8,236)
Interest Rate Swap \| Level 1 \| Fair Value
Derivative financial instruments assets (liabilities):
Derivative asset			504
Derivative liabilities	(8,236)
TBA Forward Pipelines Trades
Derivative financial instruments assets (liabilities):
Derivative asset			0
Derivative liability, fair value	276
TBA Forward Pipelines Trades \| Level 1 \| Fair Value
Derivative financial instruments assets (liabilities):
Derivative asset	5,262
Other
Derivative financial instruments assets (liabilities):
Derivative liability, fair value	438		0
Other \| Level 3 \| Carrying Value
Derivative financial instruments assets (liabilities):
Other	(438)		0
Other \| Level 3 \| Fair Value
Derivative financial instruments assets (liabilities):
Other			0
Financing Liability - MSRs Pledged
Financing liabilities:
Other financing liabilities, at fair value	702,907		566,952
Financing Liability - MSRs Pledged \| Level 3 \| Carrying Value
Financing liabilities:
Other financing liabilities, at fair value	702,907		566,952
Financing Liability - MSRs Pledged \| Level 3 \| Fair Value
Financing liabilities:
Other financing liabilities, at fair value	702,907		566,952
Financing Liability Owed to Securitization Investors \| Level 3 \| Carrying Value
Financing liabilities:
Other financing liabilities, at fair value	8,004		9,770
Financing Liability Owed to Securitization Investors \| Level 3 \| Fair Value
Financing liabilities:
Other financing liabilities, at fair value	$ 8,004		$ 9,770