Impairments Impairments Fair Value Nonrecurring (Details) - Long-lived Assets Held for Use [Member] - Predecessor [Member] - Fair Value, Measurements, Nonrecurring $ in Thousands	Dec. 31, 2015 USD ($)
Property, Plant and Equipment [Line Items]
Assets, fair value	$ 311,886
Level 1
Property, Plant and Equipment [Line Items]
Assets, fair value	0
Level 2
Property, Plant and Equipment [Line Items]
Assets, fair value	0
Level 3
Property, Plant and Equipment [Line Items]
Assets, fair value	$ 311,886