Allowance for Credit Losses (Tables)

12 Months Ended

Dec. 31, 2019

Allowance for Credit Losses [Abstract]

Activity in Allowance for Doubtful Accounts

The Company’s allowance for credit losses are as follows (in thousands):

	Allowance for		Valuation Adjustments on
	Doubtful		Financing
	Accounts		Receivables
	Operating		Notes		Total Allowance
	Leases		Receivable		forCredit Losses
Balance December 31, 2017	$	—	$	15	$	15
Provision for (reversal of) credit losses		1		(15)		(14)
Balance December 31, 2018	$	1	$	—	$	1
Balance December 31, 2018	$	1	$	—	$	1
Provision for credit losses		4		—		4
Balance December 31, 2019	$	5	$	—	$	5

Financing Receivables by Credit Quality Indicator and by Class

At December 31, 2018, the Company’s financing receivables by credit quality indicator and by class of financing receivables are as follows (excludes initial direct costs) (in thousands):

	Notes Receivable
	2019		2018
Pass	$	—	$	—
Special mention		—		70
Substandard		—		—
Doubtful		—		—
Total	$	—	$	70

Net Investment in Financing Receivables by Age

At December 31, 2018, the investment in financing receivables is aged as follows (in thousands):

													Recorded
					Greater						Total		Investment>90
	31-60 Days		61-90 Days		Than		Total				Notes		Days and
December 31, 2018	Past Due		Past Due		90 Days		Past Due		Current		Receivables		Accruing
Notes receivable	$	—	$	—	$	—	$	—	$	70	$	70	$	—