Asset-Backed Financing - Additional Information (Details)	1 Months Ended	3 Months Ended	12 Months Ended
	Jun. 30, 2018	Jun. 26, 2016 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Nov. 25, 2020 USD ($)	Jun. 30, 2020 CAD ($)	Apr. 30, 2020 USD ($)	May 31, 2019 USD ($)
Variable Interest Entity [Line Items]
Proceeds from securitization debt			$ 2,064,450,000	$ 1,021,453,000	$ 0
Financial Services interest expense			246,447,000	210,438,000	$ 193,187,000
Servicing and ancillary fees			100,000	600,000
Unconsolidated VIEs:
Variable Interest Entity [Line Items]
Principal balance of finance receivable		$ 301,800,000
Gain on sale of finance receivable		9,300,000
Cash proceeds from sale of financial asset		$ 312,600,000
Transfers accounts for as secured borrowings, assets, carrying amount								$ 27,400,000
Asset Backed Securitization 1 | U.S. Line of Credit
Variable Interest Entity [Line Items]
Transfers on finance receivables			2,420,000,000	1,120,000,000
Secured Debt | Consolidated VIEs:
Variable Interest Entity [Line Items]
Financial Services interest expense			$ 42,100,000	$ 13,300,000
Weighted average interest rate at date of issuance			2.39%	2.36%
Secured Debt | Asset-Backed U.S. Commercial Paper Conduit Facility VIE, Facility 2 | U.S. Line of Credit | Consolidated VIEs:
Variable Interest Entity [Line Items]
Line of credit, maximum borrowing capacity						$ 300,000,000.0
Secured Debt | Asset-Backed U.S. Commercial Paper Conduit Facility VIE, Facility 1 | U.S. Line of Credit | Consolidated VIEs:
Variable Interest Entity [Line Items]
Line of credit, maximum borrowing capacity						600,000,000.0
Secured Debt | Asset-backed U.S. commercial paper conduit facilities | Line of Credit | Consolidated VIEs:
Variable Interest Entity [Line Items]
Financial Services interest expense			$ 8,900,000	$ 18,500,000
Weighted average interest rate at date of issuance			1.61%	2.63%
Secured Debt | Asset-backed U.S. commercial paper conduit facilities | U.S. Line of Credit | Consolidated VIEs:
Variable Interest Entity [Line Items]
Debt instrument, term			4 years
Amount transferred to receivables			$ 195,300,000	$ 174,400,000
Proceeds from transfer of finance receivables			163,600,000	154,600,000
Secured Debt | Asset-backed Canadian commercial paper conduit facility | Unconsolidated VIEs:
Variable Interest Entity [Line Items]
Financial Services interest expense			$ 2,900,000	$ 3,600,000
Weighted average interest rate at date of issuance			2.13%	2.68%
Secured Debt | Asset-backed Canadian commercial paper conduit facility | Foreign Line of Credit | Unconsolidated VIEs:
Variable Interest Entity [Line Items]
Line of credit, maximum borrowing capacity							$ 220,000,000.0
Debt instrument, term	4 years
VIE, maximum loss exposure, amount			$ 20,000,000.0
Amount transferred to receivables			77,900,000	$ 28,200,000
Proceeds from transfer of finance receivables			61,600,000	23,400,000
Secured Debt | Asset-Backed U.S. Commercial Paper Conduit Facility VIE, Combined Facilities | U.S. Line of Credit | Consolidated VIEs:
Variable Interest Entity [Line Items]
Revolving credit facility addition to incremental borrowings						300,000,000.0			$ 300,000,000.0
Line of credit, maximum borrowing capacity						$ 900,000,000.0
Secured Debt | Asset-backed Securities, Securitized Loans and Receivables | Asset Backed Securitization 1 | Consolidated VIEs:
Variable Interest Entity [Line Items]
Secured notes issued			2,080,000,000.00	1,030,000,000.00
Proceeds from securitization debt			$ 2,060,000,000.00	$ 1,020,000,000.00