Debt (Tables)

6 Months Ended

Jun. 30, 2018

Debt Disclosure [Abstract]

Schedule of debt

Long-term debt and capital and financing lease obligations consist of the following:

(in thousands)	June 30, 2018		December 31, 2017
Mortgage notes payable due 2018 through 2047; weighted average interest rate of 4.8% for the six months ended June 30, 2018, less debt discount and deferred financing costs of $20.5 million and $16.6 million as of June 30, 2018 and December 31, 2017, respectively (weighted average interest rate of 4.59% in 2017)	$	3,647,622	$	3,497,762
Capital and financing lease obligations payable through 2032; weighted average interest rate of 7.93% for the six months ended June 30, 2018 (weighted average interest rate of 6.75% in 2017)	1,094,178		1,271,554
Convertible notes payable in aggregate principal amount of $316.3 million, less debt discount and deferred financing costs of $6.4 million as of December 31, 2017, interest at 2.75% per annum	—		309,853
Notes payable issued to finance insurance premiums, weighted average interest rate of 3.44% for the six months ended June 30, 2018	12,946		—
Other notes payable, weighted average interest rate of 5.91% for the six months ended June 30, 2018 (weighted average interest rate of 5.98% in 2017) and maturity dates ranging from 2020 to 2021	61,558		63,122
Total long-term debt and capital and financing lease obligations	4,816,304		5,142,291
Less current portion	278,848		602,501
Total long-term debt and capital and financing lease obligations, less current portion	$	4,537,456	$	4,539,790