Revenue - Disaggregation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Disaggregation of Revenue
Amortization of customer relationships	$ (70,672)	$ (70,672)	$ (70,672)
Total revenue	919,985	898,202	900,719
Gathering And Processing.
Disaggregation of Revenue
Amortization of customer relationships	(37,086)	(37,086)	(37,086)
Water Handling.
Disaggregation of Revenue
Amortization of customer relationships	(33,586)	(33,586)	(33,586)
Fixed Fee | Gathering And Processing.
Disaggregation of Revenue
Total operating revenues	791,265	761,737	759,459
Fixed Fee | Water Handling.
Disaggregation of Revenue
Total operating revenues	154,993	137,278	158,707
Cost plus 3% | Water Handling.
Disaggregation of Revenue
Total operating revenues	71,490	65,007	90,478
Cost of service fee | Water Handling.
Disaggregation of Revenue
Total operating revenues	20,909	16,852	10,747
Gathering-low pressure | Gathering And Processing.
Disaggregation of Revenue
Total operating revenues	368,996	354,941	353,491
Gathering-low pressure fee rebate | Gathering And Processing.
Disaggregation of Revenue
Total operating revenues	(48,000)	(12,000)	(48,000)
Gathering-high pressure | Gathering And Processing.
Disaggregation of Revenue
Total operating revenues	211,940	207,804	210,821
Compression | Gathering And Processing.
Disaggregation of Revenue
Total operating revenues	210,329	198,992	195,147
Fresh water delivery | Water Handling.
Disaggregation of Revenue
Total operating revenues	153,546	137,278	158,707
Other fluid handling | Water Handling.
Disaggregation of Revenue
Total operating revenues	$ 93,846	$ 81,859	$ 101,225