Finance Receivables - Schedule of Past Due Financing Receivables (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024	Mar. 31, 2024
Financing Receivable, Recorded Investment, Past Due
Financing receivable	$ 7,792,785	$ 7,689,477	$ 8,286,383
Current
Financing Receivable, Recorded Investment, Past Due
Financing receivable	7,535,306	7,371,031	8,055,938
Total Past Due
Financing Receivable, Recorded Investment, Past Due
Financing receivable	257,479	318,446	230,445
31-60 Days Past Due
Financing Receivable, Recorded Investment, Past Due
Financing receivable	143,363	182,215	131,960
61-90 Days Past Due
Financing Receivable, Recorded Investment, Past Due
Financing receivable	54,288	69,975	47,891
Greater than 90 Days Past Due
Financing Receivable, Recorded Investment, Past Due
Financing receivable	59,828	66,256	50,594
Retail finance receivables
Financing Receivable, Recorded Investment, Past Due
Financing receivable	6,514,733	6,681,106	6,799,510
Retail finance receivables | Current
Financing Receivable, Recorded Investment, Past Due
Financing receivable	6,266,363	6,368,447	6,569,714
Retail finance receivables | Total Past Due
Financing Receivable, Recorded Investment, Past Due
Financing receivable	248,370	312,659	229,796
Retail finance receivables | 31-60 Days Past Due
Financing Receivable, Recorded Investment, Past Due
Financing receivable	138,090	178,752	131,720
Retail finance receivables | 61-90 Days Past Due
Financing Receivable, Recorded Investment, Past Due
Financing receivable	52,813	69,257	47,672
Retail finance receivables | Greater than 90 Days Past Due
Financing Receivable, Recorded Investment, Past Due
Financing receivable	57,467	64,650	50,404
Wholesale finance receivables
Financing Receivable, Recorded Investment, Past Due
Financing receivable	1,278,052	1,008,371	1,486,873
Wholesale finance receivables | Current
Financing Receivable, Recorded Investment, Past Due
Financing receivable	1,268,943	1,002,584	1,486,224
Wholesale finance receivables | Total Past Due
Financing Receivable, Recorded Investment, Past Due
Financing receivable	9,109	5,787	649
Wholesale finance receivables | 31-60 Days Past Due
Financing Receivable, Recorded Investment, Past Due
Financing receivable	5,273	3,463	240
Wholesale finance receivables | 61-90 Days Past Due
Financing Receivable, Recorded Investment, Past Due
Financing receivable	1,475	718	219
Wholesale finance receivables | Greater than 90 Days Past Due
Financing Receivable, Recorded Investment, Past Due
Financing receivable	$ 2,361	$ 1,606	$ 190