Leases (Tables)

6 Months Ended

Jun. 30, 2020

Leases

Summary of total lease cost

	For the Three Months Ended				For the Six Months Ended
	June 30,				June 30,
	2020		2019		2020		2019
Operating lease cost	$	83,461	$	80,091	$	166,656	$	158,905
Short-term operating lease cost		941		1,546		2,725		3,604
Variable operating lease cost		20,776		18,885		41,109		37,263
Sublease income		(1,187)		(976)		(2,362)		(1,933)
Total lease cost	$	103,991	$	99,546	$	208,128	$	197,839

Other lease related information

	For the Six Months Ended
	June 30,
	2020		2019
Cash paid for amounts included in the measurement of operating lease liabilities:
Operating cash flows from operating leases	$	165,665	$	157,372
Right-of-use assets obtained in exchange for new operating lease liabilities		125,160		79,018