Expected Credit Losses - Type Of Customer Receivable (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Expected Credit Losses
Accounts receivable and notes receivable, current	$ 2,029	$ 2,176
Contract assets, net	1,211	1,360
Long-term notes receivable, net of current portion	60	94
Total allowance for expected credit losses on customer receivables	$ 3,300	$ 3,630