Discontinued Operations Discontinued Operations - Narratives (Details) - USD ($) $ in Thousands		12 Months Ended
	Apr. 11, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Nov. 03, 2015
Spinoff | Exterran Corporation
Discontinued Operations
Deferred tax liabilities		$ 8,508	$ 7,063
Other assets		8,508	7,063
Compression units acquired				$ 150,200
Deferred tax asset net			5,600
Deferred tax asset valuation allowance		5,600
Decrease in deferred tax asset		$ 1,200
Affiliated Entity | Exterran Corporation
Discontinued Operations
Proceeds from sale of expropriated assets installment payment			$ 18,700	$ 19,700
Due from affiliates					$ 25,000
Proceeds from the repayment of debt	$ 25,000