Loans Held for Sale - Schedule of Loans Held for Sale Fair Value (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Movement In Loans Held For Sale At Fair Value [Roll Forward]
Beginning balance	$ 680,866	$ 253,037	$ 366,364	$ 208,752
Originations and purchases	6,366,795	2,429,977	12,987,522	4,378,999
Proceeds from sales	(6,098,495)	(2,317,579)	(12,362,149)	(4,190,355)
Principal collections	(22,334)	(5,721)	(39,037)	(21,479)
Loans held for investment, at fair value	1,220	781	2,898	1,900
Receivables, net	(7,625)	(14,723)	(25,151)	(62,949)
REO (Other assets)	(1,767)	(1,713)	(5,312)	(2,554)
Gain (loss) on sale of loans	1,793	17,509	(13,006)	45,762
Increase (decrease) in fair value of loans	(5,336)	4,220	(6,025)	1,925
Other	6,504	1,178	15,517	6,965
Ending balance	$ 921,621	$ 366,966	$ 921,621	$ 366,966

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

No definition available.

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Represents amount of addition or reductions in principal on mortgage loans held for sale other than foreclosures, costs of mortgages sold, and amortization of premium during the reporting period.

+ References

No definition available.

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- Definition

Value of loans held for sale at fair value in the entity's portfolio transferred to real estate owned in non-cash transactions.

+ References

No definition available.

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Value of loans held for sale at fair value in the entity's portfolio transferred to receivables in non-cash transactions.

+ References

No definition available.

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The gains (losses) included in earnings that represent the difference between the sale price and the carrying value of loans made to finance real estate acquisitions. This element refers to the gain (loss) and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

+ References

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The increase (decrease) during the reporting period in the value of loans or securitized loans that are held with the intention to sell in the near future.

+ References

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Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.

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The amount of cash paid for the origination of mortgages that are held for sale.

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Cash inflow related to a loan origination (the process when securing a mortgage for a piece of real property), lease origination, and principal collections.

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- Definition

The cash inflow from sales of loans that are secured with real estate mortgages and are held with the intention to resell in the near future.

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Value of loans and leases held in the entity's portfolio transferred to loans and leases held-for-sale in noncash transactions.

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