Other Assets (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2021	Dec. 31, 2020
Other Assets [Abstract]
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Total other assets	Total other assets
Right-of-use asset	$ 6,066	$ 6,184
Long-term sales-type lease receivable	2,526	2,821
Other long-term receivable	2,418	3,489
Total other assets	11,010	$ 12,494
Other long-term receivable deemed uncollectible, write off	$ 800