CONDENSED CONSOLIDATED STATEMENTS OF UNITHOLDERS' DEFICIT - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Balance at beginning of period	$ (192,606)	$ (152,562)	$ (175,998)	$ (139,741)
Balance at the beginning (in units)			329,042,787
Net income (loss)	(5,819)	(6,068)	$ (10,524)	(12,192)
Other comprehensive income (loss)	(2,434)	4,547	(7,294)	3,445
Equity-based compensation	308	306	479	612
Net unit settlement			(477)	(162)
Accumulating preferred dividends	(7,145)	(6,109)	(13,882)	(11,848)
Balance at end of period	$ (207,696)	$ (159,886)	$ (207,696)	$ (159,886)
Balance at the end (in units)	332,209,476		332,209,476
Common Units
Balance at the beginning (in units)	332,210,000	329,043,000	329,043,000	325,983,000
Equity-based compensation (Units)			3,167,000	3,060,000
Balance at the end (in units)	332,210,000	329,043,000	332,210,000	329,043,000
Additional Paid-in Capital
Balance at beginning of period	$ 60,667	$ 60,056	$ 60,973	$ 59,912
Equity-based compensation	308	306	479	612
Net unit settlement			(477)	(162)
Balance at end of period	60,975	60,362	60,975	60,362
Accumulated Deficit
Balance at beginning of period	(263,338)	(217,743)	(251,725)	(205,570)
Net income (loss)	(5,713)	(6,094)	(10,589)	(12,528)
Accumulating preferred dividends	(7,145)	(6,109)	(13,882)	(11,848)
Balance at end of period	(276,196)	(229,946)	(276,196)	(229,946)
Accumulated Other Comprehensive Income
Balance at beginning of period	7,158	2,718	12,018	3,820
Other comprehensive income (loss)	(2,434)	4,547	(7,294)	3,445
Balance at end of period	4,724	7,265	4,724	7,265
Non-Controlling Interest
Balance at beginning of period	2,907	2,407	2,736	2,097
Net income (loss)	(106)	26	65	336
Balance at end of period	$ 2,801	$ 2,433	$ 2,801	$ 2,433