Operations Held for Sale (Details) - USD ($)	2 Months Ended	3 Months Ended	12 Months Ended
	Mar. 07, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Operations Held For Sale, Costs Incurred			$ (2,892,000)
Operations Held for Sale, Payment of Sale Costs			2,377,000
Disposal Group, Including Discontinued Operation, Revenue	$ 5,331,000			$ 30,261,000
Disposal Group, Including Discontinued Operation, Inter-company Revenue	2,532,000			13,087,000
Disposal Group, Including Discontinued Operation, Earnings Before Taxes	445,000			853,000
Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net	4,129,000
Disposal Group, Including Discontinued Operation, Inventory	3,082,000
Disposal Group, Including Discontinued Operation, Other Assets	855,000
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment	600,000
Disposal Group, Including Discontinued Operation, Operating Lease Right-of-Use Asset	2,127,000
Disposal Group, Including Discontinued Operation, Assets	10,793,000
Disposal Group, Including Discontinued Operation, Accounts Payable	4,692,000
Disposal Group, Including Discontinued Operation, Accrued Liabilities	2,473,000
Disposal Group, Including Discontinued Operation, Accrued Income Tax Payable	41,000
Disposal Group, Including Discontinued Operation, Operating Lease, Liability, Current	366,000
Disposal Group, Including Discontinued Operation, Operating Lease, Liability, NonCurrent	1,019,000
Disposal Group, Including Discontinued Operation, Liabilities	$ 8,591,000
Proceeds from sale of business			0	14,563,000	$ 0
Gain on sale of business		$ 9,590,000	$ 0	$ 9,790,000	$ 0