Current Expected Credit Losses - Summary of Allowance for Credit Losses Related to Net Investment in Leases and Financed Sale Receivables (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning balance	$ 7,831
Ending balance	8,072
Net Investment in Leases [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning balance	557	$ 155
Current period provision	27	309
Foreign exchange	(3)
Ending balance	581	464
Net Financed Sales Receivables [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning balance	7,274	915
Current period provision	227	2,642
Foreign exchange	(10)
Ending balance	$ 7,491	$ 3,557