Income Taxes (Details 2) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	$ 0.80
Tax Credit Carryforward, Valuation Allowance	(800,000)	$ (800,000)
Current
Federal	(3,400,000)	(11,300,000)	$ (5,600,000)
State and local	300,000	(1,200,000)	500,000
Current domestic taxes	(3,100,000)	(12,500,000)	(5,100,000)
Foreign	11,300,000	19,600,000	17,500,000
Current Income Tax Expense (Benefit)	8,200,000	7,100,000	12,400,000
Deferred
Federal	3,600,000	19,600,000	1,100,000
State and local	900,000	4,300,000	8,600,000
Deferred domestic taxes	4,500,000	23,900,000	9,700,000
Foreign	24,600,000	9,900,000	8,400,000
Deferred Income Tax Expense (Benefit)	29,100,000	33,800,000	18,100,000
Income taxes	37,300,000	$ 40,900,000	$ 30,500,000
Domestic Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	$ 254,900,000