Receivables - Schedule of Aging Analysis for Net Investment in Leases and Financed Sale Receivables (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Jun. 30, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Dec. 31, 2020
Financing Receivable Recorded Investment Current And Past Due [Line Items]
Billed	$ 16,489		$ 12,765
Unbilled	117,758		134,496
Financed sales receivables, Total	134,247		147,261
Allowance for Credit Losses	(11,629)		(6,212)
Total financing receivables	122,618		141,049
Net Investment in Leases [Member]
Financing Receivable Recorded Investment Current And Past Due [Line Items]
Billed	2,493		1,648
Unbilled	23,168		27,542
Financed sales receivables, Total	25,661		29,190
Allowance for Credit Losses	(670)	$ (688)	(798)	$ (494)	$ (579)	$ (557)
Total financing receivables	24,991		28,392
Net Financed Sales Receivables [Member]
Financing Receivable Recorded Investment Current And Past Due [Line Items]
Billed	13,996		11,117
Unbilled	94,590		106,954
Financed sales receivables, Total	108,586		118,071
Allowance for Credit Losses	(10,959)	$ (11,038)	(5,414)	$ (5,565)	$ (7,113)	$ (7,274)
Total financing receivables	97,627		112,657
Accrued and Current [Member]
Financing Receivable Recorded Investment Current And Past Due [Line Items]
Billed	1,676		1,975
Accrued and Current [Member] | Net Investment in Leases [Member]
Financing Receivable Recorded Investment Current And Past Due [Line Items]
Billed	235		225
Accrued and Current [Member] | Net Financed Sales Receivables [Member]
Financing Receivable Recorded Investment Current And Past Due [Line Items]
Billed	1,441		1,750
30 to 89 Days Past Due [Member]
Financing Receivable Recorded Investment Current And Past Due [Line Items]
Billed	1,278		1,145
30 to 89 Days Past Due [Member] | Net Investment in Leases [Member]
Financing Receivable Recorded Investment Current And Past Due [Line Items]
Billed	192		156
30 to 89 Days Past Due [Member] | Net Financed Sales Receivables [Member]
Financing Receivable Recorded Investment Current And Past Due [Line Items]
Billed	1,086		989
Equal To Greater Than 90 Days Past Due [Member]
Financing Receivable Recorded Investment Current And Past Due [Line Items]
Billed	13,535		9,645
Equal To Greater Than 90 Days Past Due [Member] | Net Investment in Leases [Member]
Financing Receivable Recorded Investment Current And Past Due [Line Items]
Billed	2,066		1,267
Equal To Greater Than 90 Days Past Due [Member] | Net Financed Sales Receivables [Member]
Financing Receivable Recorded Investment Current And Past Due [Line Items]
Billed	$ 11,469		$ 8,378