Finance Receivables - Changes In Allowance For Credit Losses On Finance Receivables (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Allowance for Credit Loss
Balance, beginning of period	$ 339,379	$ 390,936	$ 198,581
Provision for credit losses	145,133	25,049	181,870
Charge-offs	(176,718)	(122,637)	(139,944)
Recoveries	50,917	46,031	49,825
Balance, end of period	358,711	339,379	390,936
Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss
Balance, beginning of period			100,604
Retail
Financing Receivable, Allowance for Credit Loss
Balance, beginning of period	326,320	371,738	188,501
Provision for credit losses	144,756	31,338	175,225
Charge-offs	(176,718)	(122,637)	(137,371)
Recoveries	50,917	45,881	49,825
Balance, end of period	345,275	326,320	371,738
Retail | Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss
Balance, beginning of period			95,558
Wholesale
Financing Receivable, Allowance for Credit Loss
Balance, beginning of period	13,059	19,198	10,080
Provision for credit losses	377	(6,289)	6,645
Charge-offs	0	0	(2,573)
Recoveries	0	150	0
Balance, end of period	$ 13,436	$ 13,059	19,198
Wholesale | Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss
Balance, beginning of period			$ 5,046