Subsequent Events - Summary of Terms of TOB Trust Financing Upon Deposit of MRB (Details) - USD ($)	1 Months Ended
	Apr. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	[1]
Subsequent Event [Line Items]
TOB Trust Financing		$ 882,453,664	$ 820,078,714
TOB Trust [Member]
Subsequent Event [Line Items]
TOB Trust Financing		$ 55,990,000		$ 24,207,000
Subsequent Event [Member] | TOB Trust [Member] | Barclays Banks PLC [Member] | Trust 2021-XF2953 [Member]
Subsequent Event [Line Items]
TOB Trust Financing	$ 8,280,000
Stated Maturity	2023-04
Reset Frequency	Weekly
OBFR Based Rates	0.59%
Spread/ Facility Fees	1.27%
Interest Rate	1.86%

[1] Amounts shown are the initial funding into the respective TOB trusts. The balances will increase based upon subsequent fundings of the related securitized assets and the current outstanding balances are contained in the summarized debt financing table above.