Defined Benefit Pension Plans - Level 3 Plan Asset Rollforward (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward]
Fair value of plan assets at January 1,	$ 10,206	$ 12,665
Effect of Foreign Currency	(678)	(177)
Fair value of plan assets at December 31,	9,609	10,206
Fair Value, Inputs, Level 3 [Member]
Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward]
Fair value of plan assets at January 1,	9,156	11,739
Net Realized and Unrealized Gains		354
Net Purchases, Issuances, Settlements, and Other		(46)
Release for Divestiture		(2,722)
Effect of Foreign Currency		(169)
Fair value of plan assets at December 31,	8,534	9,156
Insurance Fund [Member]
Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward]
Fair value of plan assets at January 1,	9,156
Fair value of plan assets at December 31,	8,534	9,156
Insurance Fund [Member] | Fair Value, Inputs, Level 3 [Member]
Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward]
Fair value of plan assets at January 1,	9,156	8,133
Net Realized and Unrealized Gains	289	237
Net Purchases, Issuances, Settlements, and Other	(242)	15
Release for Divestiture	0	0
Effect of Foreign Currency	(669)	771
Fair value of plan assets at December 31,	8,534	9,156
Securities (Assets) [Member] | Fair Value, Inputs, Level 3 [Member]
Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward]
Fair value of plan assets at January 1,	$ 0	3,606
Net Realized and Unrealized Gains		117
Net Purchases, Issuances, Settlements, and Other		(61)
Release for Divestiture		(2,722)
Effect of Foreign Currency		(940)
Fair value of plan assets at December 31,		$ 0