SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) - Tax Valuation Allowance - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Year	$ 216,468	$ 238,703	$ 220,611
Net Increase (Decrease) to Expense (1)	(10,074)	(7,727)	10,477
Acquisitions and Other	0	(14,508)	7,615
Balance at End of Year	206,394	216,468	238,703
Restatement Adjustment
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Year	$ 228,000
Net Increase (Decrease) to Expense (1)		3,800
Acquisitions and Other		14,500
Balance at End of Year		$ 228,000
Continuing Operations
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Net Increase (Decrease) to Expense (1)			46,500
Discontinued Operations, Disposed of by Sale
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Net Increase (Decrease) to Expense (1)			36,100
Valuation Allowance Recognized Against Loss Carryforwards			$ 46,500