Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Deducted from asset accounts:
Valuation allowances reversal	$ 6,900
Balance sheet impact to deferred taxes	3,800
Allowance for uncollectible accounts:
Deducted from asset accounts:
Balance at Beginning of Period		$ 536	$ 392	$ 616
Charged to Costs and Expenses and Acquisitions		65	224	(39)
Charged to Other Accounts		225	0	0
Deductions		(282)	(80)	(185)
Balance at End of Period	544	544	536	392
Allowance for inventory reserves:
Deducted from asset accounts:
Balance at Beginning of Period		22,149	14,697	13,065
Charged to Costs and Expenses and Acquisitions		506	9,282	2,367
Charged to Other Accounts		4,219	0	0
Deductions		(2,769)	(1,830)	(735)
Balance at End of Period	24,105	24,105	22,149	14,697
Valuation allowance on deferred tax assets:
Deducted from asset accounts:
Balance at Beginning of Period		14,134	17,676	15,917
Charged to Costs and Expenses and Acquisitions		497	884	2,475
Charged to Other Accounts		1,019	0	0
Deductions		(10,693)	(4,426)	(716)
Balance at End of Period	$ 4,957	$ 4,957	$ 14,134	$ 17,676