Finance Receivables - Wholesale And Retail Receivables Accruing Interest And Are Past Due (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Financing Receivable, Past Due [Line Items]
Receivables past due and accruing interest	$ 34,817	$ 33,079	$ 48,026	$ 42,336	$ 40,076
United States
Financing Receivable, Past Due [Line Items]
Receivables past due and accruing interest	33,850	32,599	47,138	41,285	39,051
Canada
Financing Receivable, Past Due [Line Items]
Receivables past due and accruing interest	$ 967	$ 480	$ 888	$ 1,051	$ 1,025