Other Assets - Schedule of Notes Receivable Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Recovery of expected credit losses	$ 11	$ 349
Loan Receivables
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning of period balance	(73)	0
Recovery of expected credit losses	0	347
Write-offs	0	0
End of period balance	(73)	(87)
Loan Receivables | Impact of adopting Topic 326
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning of period balance		(434)
Hardware Financing Receivables
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning of period balance	(16)	(16)
Recovery of expected credit losses	11	2
Write-offs	0	0
End of period balance	$ (5)	(29)
Hardware Financing Receivables | Impact of adopting Topic 326
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning of period balance		$ (15)