Income Taxes Income Taxes Details 7 (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Operating Loss Carryforwards [Line Items]
Year One	$ 172,219
Year Two	150,106
Year Three	78,589
Year Four	228,210
Thereafter	1,840,404
Operating Loss Carryforwards	2,469,528
Loss and tax credit carry-forwards	143,391	$ 153,688
Valuation allowance	114,331	$ 120,931
Federal
Operating Loss Carryforwards [Line Items]
Year One	0
Year Two	0
Year Three	0
Year Four	0
Thereafter	1,211
Operating Loss Carryforwards	1,211
Loss and tax credit carry-forwards	254
Valuation allowance	0
State
Operating Loss Carryforwards [Line Items]
Year One	172,219
Year Two	150,106
Year Three	78,589
Year Four	228,210
Thereafter	1,828,046
Operating Loss Carryforwards	2,457,170
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	6,600
Loss and tax credit carry-forwards	136,133
Valuation allowance	93,982
Foreign
Operating Loss Carryforwards [Line Items]
Year One	0
Year Two	0
Year Three	0
Year Four	0
Thereafter	11,147
Operating Loss Carryforwards	11,147
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	43
Loss and tax credit carry-forwards	7,004
Valuation allowance	$ 20,349