Partners' Capital (Deficit) - Reconciliation of net income to partners interest in net income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Reconciliation of Net Income from Continuing and Discontinued Operations
Income (loss) from continuing operations	$ (211)	$ (6,771)	$ 4,520
Loss from discontinued operations	0	0	(179,466)
Less general partner’s interest in net income (loss):
Less income (loss) allocable to unvested restricted units	0	21	(41)
Limited partners' interest in net loss	$ (207)	$ (6,615)	$ (171,488)
Basic weighted average limited partner units outstanding (in shares)	38,689,041	38,656,559	38,658,881
Dilutive effect of restricted units issued (in shares)	0	0	0
Total weighted average limited partner diluted units outstanding (in shares)	38,689,041	38,656,559	38,658,881
Continuing operations:
Reconciliation of Net Income from Continuing and Discontinued Operations
Income (loss) from continuing operations	$ (211)	$ (6,771)	$ 4,520
Less general partner’s interest in net income (loss):
Distributions payable on behalf of IDRs	0	0	0
Distributions payable on behalf of general partner interest	16	61	(20)
General partner interest in undistributed income (loss)	(20)	(196)	111
Less income (loss) allocable to unvested restricted units	0	(21)	(1)
Limited partners' interest in net loss	(207)	(6,615)	4,430
Discontinued operations:
Reconciliation of Net Income from Continuing and Discontinued Operations
Loss from discontinued operations	0	0	(179,466)
Less general partner’s interest in net income (loss):
Distributions payable on behalf of IDRs	0	0	0
Distributions payable on behalf of general partner interest	0	0	806
General partner interest in undistributed income (loss)	0	0	(4,396)
Less income (loss) allocable to unvested restricted units	0	0	42
Limited partners' interest in net loss	$ 0	$ 0	$ (175,918)