Income Taxes Income Taxes Details 7 (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Operating Loss Carryforwards [Line Items]
Year One	$ 159,554
Year Two	77,737
Year Three	227,057
Year Four	173,171
Thereafter	1,844,686
Operating Loss Carryforwards	2,482,205
Loss and tax credit carry-forwards	134,912	$ 143,391
Valuation allowance	108,090	$ 114,331
Federal
Operating Loss Carryforwards [Line Items]
Year One	0
Year Two	0
Year Three	0
Year Four	0
Thereafter	135
Operating Loss Carryforwards	135
Loss and tax credit carry-forwards	28
Valuation allowance	0
State
Operating Loss Carryforwards [Line Items]
Year One	159,554
Year Two	77,737
Year Three	226,906
Year Four	172,593
Thereafter	1,832,849
Operating Loss Carryforwards	2,469,639
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	5,900
Loss and tax credit carry-forwards	128,024
Valuation allowance	88,056
Foreign
Operating Loss Carryforwards [Line Items]
Year One	0
Year Two	0
Year Three	151
Year Four	578
Thereafter	11,702
Operating Loss Carryforwards	12,431
Loss and tax credit carry-forwards	6,860
Valuation allowance	$ 20,034