Leases (Tables)

12 Months Ended

Dec. 31, 2019

Commitments and Contingencies Disclosure [Abstract]

Lease cost

A summary of operating and financing lease expense (including the respective presentation on the consolidated statements of operations) and cash flows from leasing transactions is as follows:

Operating Leases (in thousands)	Year Ended December 31, 2019
Facility operating expense	$	18,677
Facility lease expense	269,666
Operating lease expense	288,343
Operating lease expense adjustment (1)	19,453
Changes in operating lease assets and liabilities for lessor capital expenditure reimbursements	(31,305		)
Operating cash flows from operating leases	$	276,491
Non-cash recognition of right-of-use assets obtained in exchange for new operating lease obligations	$	28,846

(1) Represents the difference between cash paid and expense recognized. See Note 2 for the Company's accounting policy on the recognition of lease expense.

Financing Leases (in thousands)	Year Ended December 31, 2019
Depreciation and amortization	$	46,646
Interest expense: financing lease obligations	66,353
Financing lease expense	$	112,999
Operating cash flows from financing leases	$	66,353
Financing cash flows from financing leases	22,242
Changes in financing lease assets and liabilities for lessor capital expenditure reimbursement	(3,504		)
Total cash flows from financing leases	$	85,091

Summary of facility operating leases

A summary of facility lease expense and the impact of operating lease expense adjustment, under ASC 840, and deferred gains are as follows:

	For the Years Ended December 31,
(in thousands)	2018			2017
Cash basis payment - operating leases	$	324,870		$	365,077
Operating lease expense adjustment	(17,218		)	(20,990		)
Amortization of deferred gain	(4,358		)	(4,366		)
Facility lease expense	$	303,294		$	339,721

Lessee, operating Lease, liability, maturity

The aggregate amounts of future minimum lease payments, including community, office, and equipment leases, recognized on the consolidated balance sheet as of December 31, 2019 are as follows (in thousands):

Year Ending December 31,	Operating Leases			Financing Leases
2020	$	313,106		$	84,858
2021	298,505			85,917
2022	294,513			87,120
2023	290,175			88,460
2024	277,329			90,297
Thereafter	528,969			335,039
Total lease payments	2,002,597			771,691
Purchase option liability and non-cash gain on future sale of property	—			556,667
Imputed interest and variable lease payments	(531,832		)	(493,778		)
Total lease obligations	$	1,470,765		$	834,580

Future minimum operating lease payments

The aggregate amounts of future minimum operating lease payments, including community, office, and equipment leases, not recognized on the consolidated balance sheet under ASC 840 as of December 31, 2018 are as follows (in thousands):

Year Ending December 31,	Operating Leases
2019	$	310,340
2020	307,493
2021	290,661
2022	291,113
2023	285,723
Thereafter	786,647
Total lease payments	$	2,271,977