Income Taxes Income Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Unrecognized Tax Benefits	$ 299	$ 299	$ 299
Income (Loss) from Continuing Operations before Income Taxes, Domestic	289,600	68,900	93,000
Income (Loss) from Continuing Operations before Income Taxes, Foreign	7,900	2,200	6,000
Income Taxes Receivable	1,200
Current Federal Tax Expense (Benefit)	13,840	(731)	(1,883)
Current State and Local Tax Expense (Benefit)	5,060	457	(2,148)
Current Foreign Tax Expense (Benefit)	1,355	1,831	785
Current Income Tax Expense (Benefit)	20,255	1,557	(3,246)
Deferred Federal Income Tax Expense (Benefit)	53,231	10,242	12,018
Deferred State and Local Income Tax Expense (Benefit)	17,337	3,598	6,956
Deferred Foreign Income Tax Expense (Benefit)	(450)	(544)	(9)
Deferred Income Tax Expense (Benefit)	70,118	13,296	18,965
Total tax expense/(benefit)	90,373	14,853	$ 15,719
Deferred Tax Assets, Valuation Allowance	5,194	5,234
Deferred Tax Assets, Other	2,858	3,043
Deferred Tax Liabilities, Gross	61,885	59,656
Accrued tax liabilities	$ 14,100	$ 2,778