Supplemental Cash Flow Information Correction of Error (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2019 USD ($)
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Immaterial Error Correction	$ 24,800
Sept 19 Cash from Ops as reported [Domain]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Immaterial Error Correction	675,725
Sept 19 Cash from Ops Adjustment [Domain]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Immaterial Error Correction	(24,753)
Sept 19 Cash from Ops as Adjusted [Domain]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Immaterial Error Correction	650,972
Sept 19 Cash from Investing as Reported [Domain]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Immaterial Error Correction	(596,973)
Sept 19 Cash from Investing Adjustment [Domain]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Immaterial Error Correction	24,753
Sept 19 Cash from Investing as Adjusted [Domain]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Immaterial Error Correction	$ (572,220)