Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities:
Net income	$ 10,350	$ 10,727
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	898	887
Accretion	64	73
Amortization of debt issuance costs	5	565
Unit-based compensation	59	79
Income from equity method investee	(175)	(175)
Changes in operating assets and liabilities before effects of asset dispositions:
Accounts receivable	(134)	(558)
Accounts receivable from affiliates	(2,351)	1,250
Prepaid expenses and other assets	310	145
Accounts payable and accrued liabilities	74	(1,713)
Accounts payable to affiliates	(318)	(589)
Operating lease liabilities and right-of-use assets	142	87
Other		10
Net cash provided by operating activities	8,924	10,788
Cash flows from investing activities:
Purchases of property and equipment	(134)	(153)
Disposition of assets		27,000
Net cash provided by (used in) investing activities	(134)	26,847
Cash flows from financing activities:
Payments of distributions	(10,429)	(2,842)
Proceeds from revolving credit facility		1,200
Payments on revolving credit facility		(900)
Principal payments on long-term debt	(1,031)	(37,500)
Net cash used in financing activities	(11,460)	(40,042)
Net change in cash and cash equivalents	(2,670)	(2,407)
Cash and cash equivalents, beginning of period	17,645	2,478
Cash and cash equivalents, end of period	14,975	71
Supplemental disclosures of cash flow
Cash paid for income taxes		110
Cash paid for interest	$ 1,210	1,463
Non-cash investing activities:
Assets disposed of in sale		$ 500