Securitizations, Net - Summary of Outstanding Bond Balances (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Outstanding bond balance	$ 2,788,909	$ 1,939,146
2015-1 Trust
Debt Instrument [Line Items]
Outstanding bond balance		17,536
2016-1 Trust
Debt Instrument [Line Items]
Outstanding bond balance	22,369	36,401
2017-2 Trust
Debt Instrument [Line Items]
Outstanding bond balance	59,183	86,497
2018-1 Trust
Debt Instrument [Line Items]
Outstanding bond balance	43,596	62,375
2018-2 Trust
Debt Instrument [Line Items]
Outstanding bond balance	93,792	143,152
2019-1 Trust
Debt Instrument [Line Items]
Outstanding bond balance	91,167	132,306
2019-2 Trust
Debt Instrument [Line Items]
Outstanding bond balance	82,508	122,205
2019-3 Trust
Debt Instrument [Line Items]
Outstanding bond balance	67,899	95,521
2020-1 Trust
Debt Instrument [Line Items]
Outstanding bond balance	136,643	174,550
2020-2 Trust
Debt Instrument [Line Items]
Outstanding bond balance	60,445	80,676
2020-MC1 Trust
Debt Instrument [Line Items]
Outstanding bond balance		35,711
2021-1 Trust
Debt Instrument [Line Items]
Outstanding bond balance	196,969	236,190
2021-2 Trust
Debt Instrument [Line Items]
Outstanding bond balance	170,072	197,744
2021-3 Trust
Debt Instrument [Line Items]
Outstanding bond balance	178,038	202,793
2021-4 Trust
Debt Instrument [Line Items]
Outstanding bond balance	273,489	$ 315,489
2022-1 Trust
Debt Instrument [Line Items]
Outstanding bond balance	256,667
2022-2 Trust
Debt Instrument [Line Items]
Outstanding bond balance	233,045
2022-MC1 Trust
Debt Instrument [Line Items]
Outstanding bond balance	54,528
2022-3 Trust
Debt Instrument [Line Items]
Outstanding bond balance	280,066
2022-4 Trust
Debt Instrument [Line Items]
Outstanding bond balance	301,856
2022-5 Trust
Debt Instrument [Line Items]
Outstanding bond balance	$ 186,577