Finance Receivables, Net (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021	Dec. 31, 2020
Receivables [Abstract]
Finance receivables, gross	$ 191,845	$ 0	$ 220,329
Fair value premium on non-PCD finance receivables	22,981	0	40,251
Non-credit discount on PCD finance receivables	0	0	(3,521)
Merchant partner discounts and premiums, net	(430)	0	(104)
Unearned origination fees	(1,583)	0	(360)
Finance receivables, amortized cost	212,813	0	256,595
Less allowance for loan losses	(72,332)	0	(75,574)	$ 0
Finance receivables, net	$ 140,481	$ 0	$ 181,021