Investments and Note Receivable (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jun. 30, 2023	Apr. 30, 2023	Feb. 28, 2023	Mar. 31, 2022
Schedule of Equity Method Investments [Line Items]
Initial investment	$ 5,247,000	$ 0
Total revenue	488,069,000	538,031,000	$ 615,639,000
Total cost of sales	291,648,000	323,798,000	351,861,000
Accounts receivable, after allowance for credit loss, current	101,497,000	93,886,000	106,540,000
Total carrying value of the VIEs	20,847,000	12,953,000
Investment impairment charge	$ 0	2,900,000	$ 0
Saudi Arabian Industrial Investments Company
Schedule of Equity Method Investments [Line Items]
Initial investment					$ 3,065,000		$ 6,500,000
Escrow deposit		3,435,000			$ 3,435,000
Ownership percentage	49.00%					49.00%
Saudi Arabian Industrial Investments Company | Related Party
Schedule of Equity Method Investments [Line Items]
Total revenue	$ 1,743,000
Total cost of sales	996,000
Accounts receivable, after allowance for credit loss, current	1,092,000
Theradaptive, Inc
Schedule of Equity Method Investments [Line Items]
Total carrying value of the VIEs				$ 8,000,000
Ownership percentage				8.25%
Investment impairment charge	0
Theradaptive, Inc | Series A Preferred Stock | Preferred Stock
Schedule of Equity Method Investments [Line Items]
Ownership percentage				9.15%
Entach Inc
Schedule of Equity Method Investments [Line Items]
Total carrying value of the VIEs	6,900,000	6,900,000					$ 10,000,000
Ownership percentage							26.60%
Investment impairment charge	0
Fair value of investment							$ 9,670,000
Historical impairment charges	2,770,000	$ 2,770,000
Payments to investment	$ 182,000
Entach Inc | Warrant
Schedule of Equity Method Investments [Line Items]
Fair value of investment							$ 330,000