Leases (Tables)

9 Months Ended

Sep. 30, 2019

The components of lease cost for the periods ended September 30, 2019 were as follows:


(in thousands)	Three Months Ended September 30, 2019		Nine Months Ended September 30, 2019
Operating lease cost	$	5,481	$	16,263
Short-term lease cost	522		1,996
Variable lease cost	501		1,331
Total lease cost	$	6,504	$	19,590

Future Minimum Lease Payments

Future minimum lease payments under operating leases as of September 30, 2019 were as follows:


(in thousands)
Year Ending December 31,
2019 (excluding the nine months ended September 30, 2019)	$	5,401
2020	17,384
2021	14,518
2022	10,824
2023	7,817
Thereafter	28,947
Total future minimum lease payments ^(a)	84,891
Less: Interest	(14,358)
Present value of operating lease liabilities	$	70,533

^(a)Refer to the Company’s 2018 Annual Report on Form 10-K for disclosure of future minimum lease payments at December 31, 2018 under ASC Topic 840, the accounting standard applicable to leases prior to the adoption of Topic 842.