Equity - Class C Preferred Units (Details) - USD ($) $ / shares in Units, $ in Thousands				3 Months Ended
	Jul. 15, 2020	Apr. 15, 2020	Apr. 02, 2019	Jun. 30, 2019
Schedule of Capitalization, Equity
Preferred units issued, net of offering costs				$ 42,638
Class C Perpetual Preferred Units
Schedule of Capitalization, Equity
Preferred units dividend rate			9.625%
Preferred unit par or stated value per unit			$ 25.00
Preferred units issued, net of offering costs			$ 42,900
Preferred units, underwriting discounts and commissions			1,400
Preferred units, offering costs			$ 700
Distributions made to preferred unitholders distributions declared per unit		$ 0.6016
Amount paid to preferred unitholders		$ 1,083
Class C Perpetual Preferred Units
Schedule of Capitalization, Equity
Preferred units, dividend payment terms			The current distribution rate for the Class C Preferred Units is 9.625% per year of the $25.00 liquidation preference per unit (equal to $2.41 per unit per year).
Class C Perpetual Preferred Units | Class C Perpetual Preferred Units
Schedule of Capitalization, Equity
Preferred units, issued (in units)			1,800,000
Subsequent Event | Class C Perpetual Preferred Units
Schedule of Capitalization, Equity
Distributions made to preferred unitholders distributions declared per unit	$ 0.6016
Amount paid to preferred unitholders	$ 1,083