Supplemental Consolidating Data - Schedule of Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Cash flows from operating activities:
Net income	$ 445,175	$ 695,046	$ 739,214
Adjustments to reconcile Net income to Net cash provided by operating activities:
Depreciation and amortization	160,673	158,112	151,942
Amortization of deferred loan origination costs	70,745	85,018	94,914
Amortization of financing origination fees	13,963	13,208	15,105
Provision for long-term employee benefits	(54,008)	(67,624)	(21,891)
Employee benefit plan contributions and payments	(5,078)	(5,736)	(14,320)
Stock compensation expense	49,005	82,901	54,353
Net change in wholesale finance receivables related to sales	46,884	(387,743)	(198,623)
Provision for credit losses	247,225	227,158	145,133
Deferred income taxes	(26,276)	(30,059)	(15,936)
Other, net	17,070	(39,713)	(13,027)
Changes in current assets and liabilities:
Accounts receivable, net	19,778	(11,443)	(82,385)
Finance receivables – accrued interest and other	36	(339)	414
Inventories, net	164,609	21,257	(254,170)
Accounts payable and accrued liabilities	(55,436)	28,570	4,503
Other current assets	(30,532)	(13,726)	(56,765)
Total change in current assets and liabilities	618,658	59,841	(190,753)
Net cash provided by operating activities	1,063,833	754,887	548,461
Cash flows from investing activities:
Capital expenditures	(196,563)	(207,404)	(151,669)
Origination of finance receivables	(3,639,279)	(3,873,542)	(4,558,834)
Collections on finance receivables	3,440,340	3,570,822	3,935,001
Other investing activities	12,172	(2,180)	2,491
Net cash used by investing activities	(383,330)	(512,304)	(773,011)
Cash flows from financing activities:
Proceeds from issuance of medium-term notes	495,856	1,446,304	495,785
Repayments of medium-term notes	(660,780)	(1,056,680)	(950,000)
Proceeds from securitization debt	1,145,211	1,045,547	1,826,891
Repayments of securitization debt	(1,078,248)	(1,193,526)	(1,442,860)
Borrowings of asset-backed commercial paper	469,986	42,429	448,255
Repayments of asset-backed commercial paper	(258,077)	(237,370)	(302,922)
Net decrease in unsecured commercial paper	(237,340)	107,146	16,003
Net increase in deposits	102,119	129,855	26,605
Dividends paid	(91,224)	(96,310)	(93,180)
Repurchase of common stock	(459,829)	(363,987)	(338,627)
Cash received from business combination	0	0	114,068
Other financing activities	11	1,946	(1,985)
Net cash used by financing activities	(572,315)	(174,646)	(201,967)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(16,145)	1,697	(19,525)
Net increase (decrease) in cash, cash equivalents and restricted cash	92,043	69,634	(446,042)
Reconciliation of cash, cash equivalents and restricted cash on the Consolidated balance sheets to the Consolidated statements of cash flows:
Cash, cash equivalents and restricted cash, beginning of period	1,648,811	1,579,177	2,025,219
Net increase (decrease) in cash, cash equivalents and restricted cash	92,043	69,634	(446,042)
Cash, cash equivalents and restricted cash, end of period	1,740,854	1,648,811	1,579,177
Reportable Legal Entities
Cash flows from financing activities:
Proceeds from securitization debt		0	0
Reportable Legal Entities | Non-Financial Services Entities
Cash flows from operating activities:
Net income	460,621	712,909	697,100
Adjustments to reconcile Net income to Net cash provided by operating activities:
Depreciation and amortization	151,316	149,187	143,276
Amortization of deferred loan origination costs	0	0	0
Amortization of financing origination fees	721	709	700
Provision for long-term employee benefits	(54,008)	(67,624)	(21,891)
Employee benefit plan contributions and payments	(5,078)	(5,736)	(14,320)
Stock compensation expense	46,960	79,311	50,954
Net change in wholesale finance receivables related to sales	0	0	0
Provision for credit losses	0	0	0
Deferred income taxes	(21,136)	(26,720)	(11,988)
Other, net	17,289	(18,480)	(5,745)
Changes in current assets and liabilities:
Accounts receivable, net	107,088	(42,312)	(96,826)
Finance receivables – accrued interest and other	0	0	0
Inventories, net	164,609	21,257	(254,170)
Accounts payable and accrued liabilities	(27,273)	(21,957)	(6,840)
Other current assets	(110,404)	(11,283)	(54,516)
Total change in current assets and liabilities	270,084	56,352	(271,366)
Net cash provided by operating activities	730,705	769,261	425,734
Cash flows from investing activities:
Capital expenditures	(194,707)	(202,325)	(147,272)
Origination of finance receivables	0	0	0
Collections on finance receivables	0	0	0
Other investing activities	8,172	(4,680)	2,491
Net cash used by investing activities	(186,535)	(207,005)	(144,781)
Cash flows from financing activities:
Proceeds from issuance of medium-term notes	0	0	0
Repayments of medium-term notes	0	0	0
Proceeds from securitization debt	0
Repayments of securitization debt	0	0	0
Borrowings of asset-backed commercial paper	0	0	0
Repayments of asset-backed commercial paper	0	0	0
Net decrease in unsecured commercial paper	0	0	0
Net increase in deposits	0	0	0
Dividends paid	(91,224)	(96,310)	(93,180)
Repurchase of common stock	(459,829)	(363,987)	(338,627)
Cash received from business combination			114,068
Other financing activities	11	1,946	(1,985)
Net cash used by financing activities	(551,042)	(458,351)	(319,724)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(14,865)	1,697	(17,636)
Net increase (decrease) in cash, cash equivalents and restricted cash	(21,737)	105,602	(56,407)
Reconciliation of cash, cash equivalents and restricted cash on the Consolidated balance sheets to the Consolidated statements of cash flows:
Cash, cash equivalents and restricted cash, beginning of period	1,127,400	1,021,798	1,078,205
Net increase (decrease) in cash, cash equivalents and restricted cash	(21,737)	105,602	(56,407)
Cash, cash equivalents and restricted cash, end of period	1,105,663	1,127,400	1,021,798
Reportable Legal Entities | Financial Services Entities
Cash flows from operating activities:
Net income	184,309	181,937	241,712
Adjustments to reconcile Net income to Net cash provided by operating activities:
Depreciation and amortization	9,357	8,925	8,666
Amortization of deferred loan origination costs	70,745	85,018	94,914
Amortization of financing origination fees	13,242	12,499	14,405
Provision for long-term employee benefits	0	0	0
Employee benefit plan contributions and payments	0	0	0
Stock compensation expense	2,045	3,590	3,399
Net change in wholesale finance receivables related to sales	0	0	0
Provision for credit losses	247,225	227,158	145,133
Deferred income taxes	(4,811)	(3,663)	(3,925)
Other, net	25	(21,033)	(6,880)
Changes in current assets and liabilities:
Accounts receivable, net	0	0	0
Finance receivables – accrued interest and other	36	(339)	414
Inventories, net	0	0	0
Accounts payable and accrued liabilities	(73,795)	67,635	27,069
Other current assets	9,818	(5,482)	(3,559)
Total change in current assets and liabilities	273,887	374,308	279,636
Net cash provided by operating activities	458,196	556,245	521,348
Cash flows from investing activities:
Capital expenditures	(1,856)	(5,079)	(4,397)
Origination of finance receivables	(6,464,892)	(7,284,431)	(7,960,123)
Collections on finance receivables	6,340,885	6,611,092	7,137,669
Other investing activities	0	0	0
Net cash used by investing activities	(125,863)	(678,418)	(826,851)
Cash flows from financing activities:
Proceeds from issuance of medium-term notes	495,856	1,446,304	495,785
Repayments of medium-term notes	(660,780)	(1,056,680)	(950,000)
Proceeds from securitization debt	1,145,211	1,045,547	1,826,891
Repayments of securitization debt	(1,078,248)	(1,193,526)	(1,442,860)
Borrowings of asset-backed commercial paper	469,986	42,429	448,255
Repayments of asset-backed commercial paper	(258,077)	(237,370)	(302,922)
Net decrease in unsecured commercial paper	(237,340)	107,146	16,003
Net increase in deposits	102,119	129,855	26,605
Dividends paid	(200,000)	(200,000)	(200,000)
Repurchase of common stock	0	0	0
Cash received from business combination			0
Other financing activities	4,000	2,500	0
Net cash used by financing activities	(217,273)	86,205	(82,243)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(1,280)	0	(1,889)
Net increase (decrease) in cash, cash equivalents and restricted cash	113,780	(35,968)	(389,635)
Reconciliation of cash, cash equivalents and restricted cash on the Consolidated balance sheets to the Consolidated statements of cash flows:
Cash, cash equivalents and restricted cash, beginning of period	521,411	557,379	947,014
Net increase (decrease) in cash, cash equivalents and restricted cash	113,780	(35,968)	(389,635)
Cash, cash equivalents and restricted cash, end of period	635,191	521,411	557,379
Consolidating Adjustments
Cash flows from operating activities:
Net income	(199,755)	(199,800)	(199,598)
Adjustments to reconcile Net income to Net cash provided by operating activities:
Depreciation and amortization	0	0	0
Amortization of deferred loan origination costs	0	0	0
Amortization of financing origination fees	0	0	0
Provision for long-term employee benefits	0	0	0
Employee benefit plan contributions and payments	0	0	0
Stock compensation expense	0	0	0
Net change in wholesale finance receivables related to sales	46,884	(387,743)	(198,623)
Provision for credit losses	0	0	0
Deferred income taxes	(329)	324	(23)
Other, net	(244)	(200)	(402)
Changes in current assets and liabilities:
Accounts receivable, net	(87,310)	30,869	14,441
Finance receivables – accrued interest and other	0	0	0
Inventories, net	0	0	0
Accounts payable and accrued liabilities	45,632	(17,108)	(15,726)
Other current assets	70,054	3,039	1,310
Total change in current assets and liabilities	74,687	(370,819)	(199,023)
Net cash provided by operating activities	(125,068)	(570,619)	(398,621)
Cash flows from investing activities:
Capital expenditures	0	0	0
Origination of finance receivables	2,825,613	3,410,889	3,401,289
Collections on finance receivables	(2,900,545)	(3,040,270)	(3,202,668)
Other investing activities	4,000	2,500	0
Net cash used by investing activities	(70,932)	373,119	198,621
Cash flows from financing activities:
Proceeds from issuance of medium-term notes	0	0	0
Repayments of medium-term notes	0	0	0
Proceeds from securitization debt	0	0	0
Repayments of securitization debt	0	0	0
Borrowings of asset-backed commercial paper	0	0	0
Repayments of asset-backed commercial paper	0	0	0
Net decrease in unsecured commercial paper	0	0	0
Net increase in deposits	0	0	0
Dividends paid	200,000	200,000	200,000
Repurchase of common stock	0	0	0
Cash received from business combination			0
Other financing activities	(4,000)	(2,500)	0
Net cash used by financing activities	196,000	197,500	200,000
Effect of exchange rate changes on cash, cash equivalents and restricted cash	0	0	0
Net increase (decrease) in cash, cash equivalents and restricted cash	0	0	0
Reconciliation of cash, cash equivalents and restricted cash on the Consolidated balance sheets to the Consolidated statements of cash flows:
Cash, cash equivalents and restricted cash, beginning of period	0	0	0
Net increase (decrease) in cash, cash equivalents and restricted cash	0	0	0
Cash, cash equivalents and restricted cash, end of period	$ 0	$ 0	$ 0