The Company leases office space in the United States and foreign locations under operating lease agreements. Office space is the Company’s only material underlying asset class under operating lease agreements. The Company has no material finance leases.

Under the Company’s office space lease agreements, fixed payments and variable payments that depend on an index or rate are typically comprised of base rent and parking fees. Additionally, under these agreements the Company is generally responsible for certain variable payments that typically include certain taxes, utilities and maintenance costs, and other fees. These variable lease payments are generally based on the Company’s occupation or usage percentages and are subject to adjustments by the lessor.

As of September 30, 2019, the Company’s ROU asset and total lease liability balances were comprised of $72.2 million and $98.9 million, respectively, for leases in the United States and $14.8 million and $15.7 million, respectively, for foreign leases. The Company’s most significant lease is for its corporate headquarters, in which it leases approximately 214,000 square feet of office space at a location in Northern Virginia. The ROU asset and total lease liability balances related to the Company’s corporate headquarters lease were $67.8 million and $94.4 million, respectively, as of September 30, 2019. The lease agreement for the Company’s corporate headquarters location is set to expire in December 2030, with an option for the Company to extend the term for an additional five or 10 consecutive years. The Company is currently not reasonably certain it will exercise this renewal option and therefore has not included the renewal option in the lease term. Several of the Company’s remaining leases also contain options for renewal or options to terminate all or a portion of the leased space. The Company continually assesses the likelihood of exercising these options and recognizes an option as part of its ROU assets and lease liabilities if and when it is reasonably certain that it will exercise the option.

The following table presents the Company’s total lease cost and other lease details for the three and nine months ended September 30, 2019 (in thousands, except years and discount rates):

	September 30, 2019
	Three Months Ended			Nine Months Ended
Lease cost:
Operating lease cost	$	3,704		$	11,311
Short-term lease cost		397			1,612
Variable lease cost		372			967
Total lease cost	$	4,473		$	13,890
Other information:
Cash paid for amounts included in the measurement of operating lease liabilities	$	3,854		$	11,743
ROU assets obtained in exchange for new operating lease liabilities	$	0		$	5,016
Weighted-average remaining lease term in years – operating leases		10.2			10.2
Weighted-average discount rate – operating leases		6.0	%		6.0	%

The following table presents the maturities of the Company’s operating lease liabilities as of September 30, 2019 (in thousands):

For the period ended September 30,
2020	$	15,855
2021		15,699
2022		15,141
2023		15,416
2024		13,550
Thereafter		79,072
Total lease payments		154,733
Less: imputed interest		(40,130	)
Total	$	114,603

Reported as:
Current operating lease liabilities	$	9,312
Non-current operating lease liabilities		105,291
Total	$	114,603

The following table shows future minimum payments under noncancellable operating leases and purchase agreements with initial terms of greater than one year, based on the expected due dates of the various installments as of December 31, 2018 (in thousands), as previously reported in the Company’s Annual Report on Form 10-K for the year ended December 31, 2018, prior to the adoption of ASU 2016-02:

	Operating Leases
Year	Amount
2019	$	27,768
2020		25,583
2021		18,573
2022		15,694
2023		15,607
Thereafter		92,347
	$	195,572