Expected Credit Losses - Type Of Customer Receivable (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Expected Credit Losses
Accounts receivable and notes receivable, current	$ 2,144	$ 2,176
Contract assets, net	1,476	1,360
Long-term notes receivable, net of current portion	59	94
Other current liabilities	14
Total allowance for expected credit losses on customer receivables	$ 3,693	$ 3,630