Lease Obligations (Tables)

6 Months Ended

Jun. 30, 2020

Lease Obligations

Summary of lease cost

The following presents certain information related to the costs for leases ($ in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Operating lease cost	$	30,017	$	30,616	$	61,017	$	60,818
Finance lease cost:
Amortization of finance lease assets		1,048		—		1,048		—
Interest on finance lease liabilities		407		—		407		—
Short-term lease cost		390		873		879		1,586
Variable lease cost		6,028		550		11,056		1,102
Sublease income		(455)		(211)		(867)		(516)
Net lease costs	$	37,435	$	31,828	$	73,540	$	62,990

Schedule of cash flow supplemental information

The following presents supplemental cash flow information related to leases ($ in thousands):

	Six Months Ended June 30,
	2020		2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for leases	$	61,248	$	60,605
Operating cash flows for finance leases		267		—
Financing cash flows for finance leases		1,725		—
Lease assets obtained in exchange for lease liabilities:
New, remeasured, and terminated operating leases	$	12,140	$	43,027
New finance leases		29,522		—

Schedule financial statement line items of lease assets and lease liabilities

The following presents components of lease assets and lease liabilities, and the associated financial statement line items ($ in thousands):

		June 30,		December 31,
Lease Assets and Liabilities	Financial Statement Line Items	2020		2019
Operating lease assets	Operating lease assets	$	789,539	$	807,537
Finance lease assets	Property and equipment, net		29,036		—
Total lease assets, net		$	818,575	$	807,537
Operating lease liabilities - current	Current portion of operating lease liabilities	$	60,315	$	58,613
Finance lease liabilities - current	Current portion of long-term debt		1,991		—
Operating lease liabilities - non-current	Operating lease liabilities, net of current portion		823,929		843,312
Finance lease liabilities - non-current	Long-term debt, net of current portion		26,201		—
Total lease liabilities		$	912,436	$	901,925