Redeemable Preferred Units (Details) - Series B Cumulative Convertible Preferred Units - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
	Nov. 28, 2017	Mar. 31, 2020	Dec. 31, 2019
Class of Stock [Line Items]
Shares, price per share (in dollars per share)	$ 20.3926
Proceeds from issuance of convertible preferred stock	$ 300,000
Preferred units distribution rate		7.00%
Minimum underlying value for conversion trigger		$ 10,000
Preferred units, outstanding value		298,361	$ 298,361
Accrued distributions		$ 5,300	$ 5,300
Noble Acquisition
Class of Stock [Line Items]
Number of shares issued (in shares)	14,711,219