Debt (Tables)

12 Months Ended

Dec. 31, 2017

Debt Disclosure [Abstract]

Schedule of debt

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

	December 31,
(in thousands)	2017		2016
Mortgage notes payable due 2018 through 2047; weighted average interest rate of 4.59% in 2017, less debt discount and deferred financing costs of $16.6 million and $4.5 million in 2017 and 2016, respectively (weighted average interest rate of 4.50% in 2016)	$	3,497,762	$	3,184,229
Capital and financing lease obligations payable through 2032; weighted average interest rate of 6.75% in 2017 (weighted average interest rate of 8.08% in 2016)	1,271,554		2,485,520
Convertible notes payable in aggregate principal amount of $316.3 million, less debt discount and deferred financing costs of $6.4 million and $20.9 million in 2017 and 2016, respectively, interest at 2.75% per annum, due June 15, 2018	309,853		295,397
Construction financing (weighted average interest rate of 8.00% in 2016)	—		3,644
Other notes payable, weighted average interest rate of 5.98% in 2017 (weighted average interest rate of 5.33% in 2016) and maturity dates ranging from 2020 to 2021	63,122		76,377
Total long-term debt and capital and financing lease obligations	5,142,291		6,045,167
Less current portion	602,501		215,255
Total long-term debt and capital and financing lease obligations, less current portion	$	4,539,790	$	5,829,912

Annual aggregate scheduled maturities of long-term debt obligations outstanding

The annual aggregate scheduled maturities of long-term debt and capital and financing lease obligations outstanding as of December 31, 2017 are as follows (in thousands):

Year Ending December 31,	Long-term Debt			Capital and Financing Lease Obligations			Total
2018	$	501,622		$	576,388		$	1,078,010
2019	328,515			137,047			465,562
2020	488,311			78,288			566,599
2021	338,632			61,841			400,473
2022	343,859			62,590			406,449
Thereafter	1,892,752			1,059,106			2,951,858
Total obligations	3,893,691			1,975,260			5,868,951
Less amount representing debt discount and deferred financing costs, net	(22,954		)	—			(22,954		)
Less amount representing interest (weighted average interest rate of 6.75%)	—			(703,706		)	(703,706		)
Total	$	3,870,737		$	1,271,554		$	5,142,291

Interest expense associated with the convertible notes

The interest expense associated with the Notes (excluding amortization of the associated deferred financing costs) was as follows:

	For the Years Ended December 31,
(in thousands)	2017		2016		2015
Coupon interest	$	8,697	$	8,697	$	8,697
Amortization of discount	13,586		12,625		11,732
Interest expense related to convertible notes	$	22,283	$	21,322	$	20,429