Finance Receivables -Schedule of Recorded Investment of Retail and Wholesale Finance Receivables by Credit Quality Indicator (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Financing Receivable, Recorded Investment
Total	$ 7,792,785	$ 8,286,383	$ 7,689,477
Gross charge-offs
Total	78,175	81,368
Wholesale
Financing Receivable, Recorded Investment
Year 1	690,100	876,640	860,131
Year 2	479,502	536,819	95,743
Year 3	57,135	55,538	39,102
Year 4	38,202	4,110	1,702
Year 5	1,547	4,646	3,358
More than 5 years	11,566	9,120	8,335
Total	1,278,052	1,486,873	1,008,371
Gross charge-offs
Year 1	1		709
Year 2	506		710
Year 3	134		42
Year 4	0		0
Year 5	0		0
More than 5 years	0		1
Total	641	0	1,462
Wholesale | Non-Performing
Financing Receivable, Recorded Investment
Year 1	2,208	0	6,430
Year 2	3,698	0	4,702
Year 3	643	0	129
Year 4	0	0	0
Year 5	0	0	0
More than 5 years	0	0	2
Total	6,549	0	11,263
Wholesale | Doubtful
Financing Receivable, Recorded Investment
Year 1	13,553	1,612	25,827
Year 2	19,970	1,783	3,869
Year 3	3,765	216	139
Year 4	107	0	0
Year 5	0	0	0
More than 5 years	8,357	10	8,196
Total	45,752	3,621	38,031
Wholesale | Substandard
Financing Receivable, Recorded Investment
Year 1	5,038	10,570	14,470
Year 2	6,560	10,989	2,928
Year 3	1,683	436	0
Year 4	0	0	0
Year 5	0	0	0
More than 5 years	0	8	0
Total	13,281	22,003	17,398
Wholesale | Special Mention
Financing Receivable, Recorded Investment
Year 1	2,494	2,332	3,162
Year 2	2,016	1,954	362
Year 3	297	183	19
Year 4	0	0	0
Year 5	0	0	0
More than 5 years	0	317	0
Total	4,807	4,786	3,543
Wholesale | Medium Risk
Financing Receivable, Recorded Investment
Year 1	2,335	1,051	1,471
Year 2	1,375	938	271
Year 3	131	0	0
Year 4	0	0	0
Year 5	0	0	0
More than 5 years	0	0	0
Total	3,841	1,989	1,742
Wholesale | Low Risk
Financing Receivable, Recorded Investment
Year 1	664,472	861,075	808,771
Year 2	445,883	521,155	83,611
Year 3	50,616	54,703	38,815
Year 4	38,095	4,110	1,702
Year 5	1,547	4,646	3,358
More than 5 years	3,209	8,785	137
Total	$ 1,203,822	$ 1,454,474	$ 936,394