Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 31,880	$ 50,923
Adjustments to reconcile net income to net cash provided by operating activities -
DepreciationDepletionAndAmortizationIncludingDiscOps	55,330	39,771
Depreciation and amortization	55,330	39,771
Amortization of debt issuance costs and premium	6,526	2,320
Amortization of unearned income and initial direct costs on direct financing leases	(7,566)	(7,922)
Payments received under direct financing leases	10,333	10,631
Equity in earnings of investments in equity investees	(34,180)	(12,740)
Cash distributions of earnings of equity investees	38,811	21,452
Non-cash effect of equity-based compensation plans	4,744	6,267
Deferred and other tax liabilities	1,250	853
Unrealized gains on derivative transactions	1,309	(1,187)
Other, net	(2,296)	1,518
Net changes in components of operating assets and liabilities, (Note 12)	(35,039)	(6,689)
Net cash provided by operating activities	71,102	105,197
CASH FLOWS FROM INVESTING ACTIVITIES:
Payments to acquire fixed and intangible assets	(240,646)	(240,994)
Cash distributions received from equity investees - return of investment	11,490	6,173
Investments in equity investees	(1,750)	(14,826)
Proceeds from asset sales	2,228	133
Other, net	(729)	(2,635)
Net cash used in investing activities	(229,407)	(252,149)
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings on senior secured credit facility	550,500	1,181,200
Repayments on senior secured credit facility	(515,700)	(1,271,800)
Proceeds from issuance of senior unsecured notes, including premium	400,000	350,000
Repayments of Unsecured Debt	(350,000)	0
Debt issuance costs	(8,418)	(10,752)
Proceeds from Issuance of Common Limited Partners Units	197,722	0
Distributions to common unitholders	(117,316)	(96,236)
Other, net	774	0
Net cash provided by financing activities	157,562	152,412
Net increase in cash and cash equivalents	(743)	5,460
Cash and cash equivalents at beginning of period	9,462	8,866
Cash and cash equivalents at end of period	$ 8,719	$ 14,326