Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities:
Net income	$ 30,859	$ 31,089
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	2,867	2,747
Accretion	195	178
Amortization of debt issuance costs	1,125	610
Gain on the disposal of assets		(14)
Unit-based compensation	239	239
Income from equity method investee	(488)	(530)
Distributions from equity method investee	1,000
Other	75	(19)
Changes in operating assets and liabilities:
Accounts receivable	829	763
Accounts receivable from affiliates	(950)	(3,415)
Prepaid expenses and other assets	(581)	(31)
Accounts payable and accrued liabilities	(1,435)	4,882
Accounts payable to affiliates	(160)	(276)
Operating lease liabilities and right-of-use assets	689	(97)
Other	13	33
Net cash provided by operating activities	34,277	36,159
Cash flows from investing activities:
Purchases of property and equipment	(117)	(62)
Proceeds from the disposal of property and equipment		136
Net cash provided by (used in) investing activities	(117)	74
Cash flows from financing activities:
Payments of distributions	(16,958)	(33,818)
Proceeds from credit facility	43,100	65,100
Payments on credit facility	(47,500)	(67,100)
Proceeds from issuance on long-term debt	3,000
Principal payments on long-term debt	(12,500)
Payments of loan fees	(3,495)
Other	7	6
Net cash used in financing activities	(34,346)	(35,812)
Net change in cash and cash equivalents	(186)	421
Cash and cash equivalents, beginning of period	261	569
Cash and cash equivalents, end of period	75	990
Supplemental disclosures of cash flow
Cash paid for income taxes	96	203
Cash paid for interest	$ 4,780	5,700
Capital expenditures in accounts payable		$ 116