Finance Receivables -Schedule of Recorded Investment of Retail and Wholesale Finance Receivables by Credit Quality Indicator (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Financing Receivable, Recorded Investment
Total	$ 7,725,515	$ 8,412,081	$ 7,725,515	$ 8,412,081	$ 7,689,477
Gross charge-offs
Total	61,306	60,712	139,481	142,080
Wholesale
Financing Receivable, Recorded Investment
Year 1	829,992	1,109,991	829,992	1,109,991	860,131
Year 2	227,320	250,153	227,320	250,153	95,743
Year 3	28,228	42,232	28,228	42,232	39,102
Year 4	35,851	3,877	35,851	3,877	1,702
Year 5	1,392	3,716	1,392	3,716	3,358
More than 5 years	9,689	8,182	9,689	8,182	8,335
Total	1,132,472	1,418,151	1,132,472	1,418,151	1,008,371
Gross charge-offs
Year 1			1	0	709
Year 2			506	0	710
Year 3			134	0	42
Year 4			0	0	0
Year 5			0	0	0
More than 5 years			0	0	1
Total	0	0	641	0	1,462
Wholesale | Non-Performing
Financing Receivable, Recorded Investment
Year 1	901	2,738	901	2,738	6,430
Year 2	1,017	2,672	1,017	2,672	4,702
Year 3	287	145	287	145	129
Year 4	0	0	0	0	0
Year 5	0	0	0	0	0
More than 5 years	0	5	0	5	2
Total	2,205	5,560	2,205	5,560	11,263
Wholesale | Doubtful
Financing Receivable, Recorded Investment
Year 1	23,393	5,105	23,393	5,105	25,827
Year 2	20,292	4,661	20,292	4,661	3,869
Year 3	2,552	144	2,552	144	139
Year 4	50	0	50	0	0
Year 5	0	0	0	0	0
More than 5 years	8,537	9	8,537	9	8,196
Total	54,824	9,919	54,824	9,919	38,031
Wholesale | Substandard
Financing Receivable, Recorded Investment
Year 1	3,542	11,038	3,542	11,038	14,470
Year 2	4,215	4,943	4,215	4,943	2,928
Year 3	127	98	127	98	0
Year 4	0	0	0	0	0
Year 5	0	0	0	0	0
More than 5 years	0	0	0	0	0
Total	7,884	16,079	7,884	16,079	17,398
Wholesale | Special Mention
Financing Receivable, Recorded Investment
Year 1	6,135	2,934	6,135	2,934	3,162
Year 2	2,250	986	2,250	986	362
Year 3	168	96	168	96	19
Year 4	0	0	0	0	0
Year 5	71	0	71	0	0
More than 5 years	0	211	0	211	0
Total	8,624	4,227	8,624	4,227	3,543
Wholesale | Medium Risk
Financing Receivable, Recorded Investment
Year 1	4,320	0	4,320	0	1,471
Year 2	1,006	0	1,006	0	271
Year 3	156	0	156	0	0
Year 4	0	0	0	0	0
Year 5	0	0	0	0	0
More than 5 years	0	0	0	0	0
Total	5,482	0	5,482	0	1,742
Wholesale | Low Risk
Financing Receivable, Recorded Investment
Year 1	791,701	1,088,176	791,701	1,088,176	808,771
Year 2	198,540	236,891	198,540	236,891	83,611
Year 3	24,938	41,749	24,938	41,749	38,815
Year 4	35,801	3,877	35,801	3,877	1,702
Year 5	1,321	3,716	1,321	3,716	3,358
More than 5 years	1,152	7,957	1,152	7,957	137
Total	$ 1,053,453	$ 1,382,366	$ 1,053,453	$ 1,382,366	$ 936,394