Other Assets - Schedule of Notes Receivable Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Provision for credit losses on notes receivable	$ 349	$ 0
Loan Receivables
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning of period balance, prior to adoption of Topic 326	0
Provision for credit losses on notes receivable	347
Write-offs	0
End of period balance, subsequent to adoption of Topic 326	(87)
Loan Receivables | Impact of adopting Topic 326
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning of period balance, prior to adoption of Topic 326	(434)
Hardware Financing Receivables
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning of period balance, prior to adoption of Topic 326	(16)
Provision for credit losses on notes receivable	2
Write-offs	0
End of period balance, subsequent to adoption of Topic 326	(29)
Hardware Financing Receivables | Impact of adopting Topic 326
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning of period balance, prior to adoption of Topic 326	$ (15)