CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities
Net income	$ 142,600	$ 133,200
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation	2,000	2,000
Impairment and other, net	0	1,000
Non-cash expenses	200	200
Income from equity method investments	(85,700)	(83,300)
Distributions of earnings received from equity method investments	85,800	86,500
Changes in operating assets and liabilities
Accounts receivable	1,000	(1,200)
Prepaid expenses and other current assets	5,300	4,500
Accounts payable	(100)	(1,900)
Deferred revenue and credits	100	1,900
Other	(2,900)	(600)
Net cash provided by operating activities	148,300	142,300
Cash flows from investing activities
Capital expenditures	(2,000)	(400)
Proceeds from Insurance Settlement, Investing Activities	1,300	0
Distributions in excess of earnings from equity method investments	7,400	8,300
Net cash provided by investing activities	6,700	7,900
Cash flows from financing activities
Proceeds from issuance of term loan	(468,000)	0
Distributions to unitholders and general partner	(112,800)	(98,900)
Distributions to non-controlling interests	(17,200)	(15,900)
Net cash used in financing activities	(130,000)	(114,800)
Net change in cash and cash equivalents	25,000	35,400
Cash and cash equivalents at beginning of the period	98,800	57,000
Cash and cash equivalents at end of the period	123,800	92,400
Supplemental cash flow information
Cash paid for interest	10,400	12,300
Non-cash investing transactions
Accrued capital expenditures	1,600	300
Proceeds from Issuance of Long-term Debt	$ 468,000	$ 0