Debt (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Nov. 22, 2019 USD ($)
Line of Credit Facility [Line Items]
Remaining borrowing capacity	$ 15,000
Unamortized debt issue costs	1,200	$ 1,400
Amortization of debt issuance costs	1,266	$ 783
Letter of Credit
Line of Credit Facility [Line Items]
Maximum borrowing capacity			$ 155,000
Credit agreement, outstanding	145,000
Debt Instrument, Periodic Payment, Total	10,000
Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity	20,000		$ 20,000
Credit agreement, outstanding	5,000
Credit Agreement
Line of Credit Facility [Line Items]
Maximum borrowing capacity	235,500
Sub-limit which may be used for issuance of letters of credit	2,500
Initial borrowing capacity	$ 235,500
Borrowing base term	45 days
Credit agreement, outstanding	$ 150,000
Commitment fee on unutilized borrowing base	0.50%
Credit Agreement | Letter of Credit
Line of Credit Facility [Line Items]
Line of Credit Facility, Periodic Payment	$ 10,000
Initial borrowing capacity	$ 155,000
Minimum | Credit Agreement
Line of Credit Facility [Line Items]
Ownership percentage by subsidiary	0.50
Required working capital ratio	1.0
Minimum | Credit Agreement | London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Line Items]
Variable interest rate	2.50%
Minimum | Credit Agreement | ABR
Line of Credit Facility [Line Items]
Variable interest rate	1.50%
Maximum | Credit Agreement | Scenario One
Line of Credit Facility [Line Items]
Debt to Adjusted EBITDA ratio	3.5
Maximum | Credit Agreement | London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Line Items]
Variable interest rate	3.00%
Maximum | Credit Agreement | ABR
Line of Credit Facility [Line Items]
Variable interest rate	2.00%
Western Catarina Midstream | Credit Agreement | Scenario Three
Line of Credit Facility [Line Items]
Debt to Adjusted EBITDA ratio	4.5