Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2018
Income Tax Holiday [Line Items]
Predecessor net tax liabilities eliminated	$ 104,005
Difference between tax bases and reported amounts of Partnership's assets and liabilities		$ 58,700
Predecessor
Income Tax Holiday [Line Items]
Predecessor net tax liabilities eliminated	$ 104,005	$ 104,000