Subsequent Events (Details)			3 Months Ended
	Jul. 02, 2019 USD ($) shares	Jun. 13, 2017 USD ($)	Jun. 30, 2019 USD ($)
Subsequent Event
Preferred units issued, net of offering costs			$ 42,638,000
Subsequent Event
Subsequent Event
Number of saltwater wells acquired	35
Total consideration to acquire businesses	$ 892,500,000
Total consideration paid in cash	592,500,000
Total consideration to be paid in installments	$ 200,000,000.0
Number of installment payments	2
Term Credit Agreement | Subsequent Event
Subsequent Event
Term Credit Agreement, current borrowing capacity	$ 250,000,000.0
Preferred Class D [Domain] | Subsequent Event
Subsequent Event
Preferred units issued, net of offering costs	385,000,000.0
Preferred units authorized amount	$ 400,000,000.0
Warrants outstanding (in units) | shares	17,000,000
Closing fee payable to affiliates of the purchaser	$ 8,000,000.0
Class B Perpetual Preferred Units
Subsequent Event
Preferred units issued, net of offering costs		$ 202,700,000
Class B Perpetual Preferred Units | Subsequent Event
Subsequent Event
Preferred units issued, net of offering costs	$ 100,000,000.0