Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Net income	$ 94,240	$ 90,989
Adjustments to reconcile net income to net cash provided by operating activities of continuing operations:
Depreciation, depletion and amortization	11,746	15,364
Distributions from unconsolidated investment	25,480	34,653
Equity earnings from unconsolidated investment	(36,833)	(34,986)
Gain on asset sales and disposals	(6,609)	(819)
Loss on extinguishment of debt	29,282	0
Income from discontinued operations	(206)	(3,721)
Asset impairments	484	242
Unit-based compensation expense	1,842	1,144
Amortization of debt issuance costs and other	3,223	4,021
Change in operating assets and liabilities:
Accounts receivable	4,731	(6,283)
Accounts payable	(822)	90
Accrued liabilities	(5,083)	(3,193)
Accrued interest	19	(9,944)
Deferred revenue	(3,920)	9,200
Other items, net	351	1,036
Net cash provided by operating activities of continuing operations	117,925	97,793
Net cash provided by (used in) operating activities of discontinued operations	(4)	9,755
Net cash provided by operating activities	117,921	107,548
Cash flows from investing activities
Distributions from unconsolidated investment in excess of cumulative earnings	0	2,097
Proceeds from asset sales and disposals	6,611	826
Return of long-term contract receivable	1,351	2,606
Net cash provided by investing activities of continuing operations	7,962	5,529
Net cash used in investing activities of discontinued operations	(556)	(9,343)
Net cash provided by (used in) investing activities	7,406	(3,814)
Cash flows from financing activities
Debt borrowings	300,000	35,000
Debt repayments	(442,747)	(55,720)
Contributions to discontinued operations	(560)	(2,275)
Debt issuance costs and other	(26,427)	(228)
Net cash used in financing activities of continuing operations	(219,754)	(71,695)
Net cash provided by financing activities of discontinued operations	560	1,521
Net cash used in financing activities	(219,194)	(70,174)
Net increase (decrease) in cash, cash equivalents and restricted cash	(93,867)	33,560
Cash, cash equivalents and restricted cash of continuing operations at beginning of period	112,163	58,607
Cash and cash equivalents of discontinued operations at beginning of period	0	(4,780)
Cash, cash equivalents and restricted cash at beginning of period	112,163	63,387
Cash paid during the period for interest of continuing operations	36,270	58,153
General Partner
Cash flows from financing activities
Distributions to common unitholders and general partner	(27,520)	(16,863)
Preferred Partner
Cash flows from financing activities
Distributions to common unitholders and general partner	(22,500)	(22,765)
Class A Convertible Preferred Units
Cash flows from financing activities
Redemption of preferred units paid-in-kind	$ 0	$ (8,844)