Revenue - Disaggregation Revenue (Details) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2020 USD ($) segment	Mar. 31, 2019 USD ($)	Dec. 31, 2019 USD ($)
Disaggregation of Revenue [Line Items]
Number of Reportable Segments | segment	3
Total Revenue	$ 55,072	$ 68,252
All Other
Disaggregation of Revenue [Line Items]
Total Revenue	1,747	7,944
Services
Disaggregation of Revenue [Line Items]
Total Revenue	53,938		$ 61,073
Services | Permian Basin
Disaggregation of Revenue [Line Items]
Total Revenue	43,286	48,798
Services | Bakken Basin
Disaggregation of Revenue [Line Items]
Total Revenue	4,185	4,773
Services | Government
Disaggregation of Revenue [Line Items]
Total Revenue	5,854	6,737
Services | All Other
Disaggregation of Revenue [Line Items]
Total Revenue	613	810
Construction fee
Disaggregation of Revenue [Line Items]
Total Revenue	1,134		$ 7,179
Construction fee | All Other
Disaggregation of Revenue [Line Items]
Total Revenue	$ 1,134	$ 7,134