Income Taxes (Details 2) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	$ 0.80
Tax Credit Carryforward, Valuation Allowance	(800,000)	$ (800,000)
Current
Federal	100,000	(3,400,000)	$ (11,300,000)
State and local	300,000	300,000	(1,200,000)
Current domestic taxes	400,000	(3,100,000)	(12,500,000)
Foreign	18,600,000	11,300,000	19,600,000
Current Income Tax Expense (Benefit)	19,000,000.0	8,200,000	7,100,000
Deferred
Federal	6,700,000	3,600,000	19,600,000
State and local	3,000,000.0	900,000	4,300,000
Deferred domestic taxes	9,700,000	4,500,000	23,900,000
Foreign	24,500,000	24,600,000	9,900,000
Deferred Income Tax Expense (Benefit)	34,200,000	29,100,000	33,800,000
Income taxes	53,200,000	37,300,000	$ 40,900,000
Domestic Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	418,100,000
Foreign Tax Authority
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	1,600,000
Foreign Tax Authority | United Kingdom tax authority
Operating Loss Carryforwards [Line Items]
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount	$ 39,700,000	$ 12,300,000