Leases (Tables)

9 Months Ended

Sep. 30, 2021

Leases [Abstract]

Components of Lease Expense

Lease expense is charged to selling, general and administrative expenses. Components of lease expense were as follows (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Operating lease cost	$	11,440	$	11,596	$	35,140	$	33,111
Variable lease cost		1,739		1,627		4,856		3,825
Total lease expense	$	13,179	$	13,223	$	39,996	$	36,936

Supplemental Cash Flow Information Related to Leases

Supplemental cash flow information related to leases is as follows (in thousands):

	Nine Months Ended September 30,
	2021		2020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	35,428	$	25,099
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	$	24,213	$	83,550