Leases - Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Lessee Disclosure [Abstract]
Cash paid for operating leases included in operating activities	$ 23,091	$ 21,915
Cash paid for finance leases included in operating activities	108	173
Cash paid for finance leases included in financing activities	490	2,741
Operating lease right-of-use assets obtained in exchange for lease obligations	3,233	30,406
Noncash lease expense	$ 23,500	$ 21,900