EXPENSES, CHANGES IN FAIR VALUE OF INVESTMENTS AND OTHER - Schedule of General and Administrative Expenses (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Other Income and Expenses [Abstract]
Legal and professional	$ 78,837	$ 102,114	$ 70,502
Loan origination	108,149	196,989	92,081
Occupancy	116,526	70,616	36,799
Subservicing	162,972	224,138	201,444
Loan servicing	11,759	16,440	14,126
Property and maintenance	93,689	69,083	42,508
Other	303,496	184,648	90,981
General and administrative	$ 875,428	$ 864,028	$ 548,441

Subservicing Expense

No definition available.

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- Definition

Other operating costs incurred during the reporting period and may include amounts paid to maintain the property.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2)
-URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227

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- Definition

The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

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-Name Accounting Standards Codification
-Topic 220
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-Section S99
-Paragraph 2
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- Definition

The loan servicing fees paid to third parties that relate to loan expenses for a portfolio containing the entire group of loans owned by the company.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.3)
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- Definition

Expenses paid for obtaining loans which includes expenses such as application and origination fees.

+ References

No definition available.

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- Definition

Amount of operating lease expense. Excludes sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 4
-Subparagraph (b)
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- Definition

Amount of general and administrative expense classified as other.

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-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
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- References

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- Definition

A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer.

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