Leases - Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Lessee Disclosure [Abstract]
Cash paid for operating leases included in operating activities	$ 21,915	$ 20,167
Cash paid for finance leases included in operating activities	173	318
Cash paid for finance leases included in financing activities	2,741	3,155
Operating lease right-of-use assets obtained in exchange for lease obligations	$ 30,406	23,975
Operating lease right-of-use assets and liabilities relieved in conjunction with divestiture		$ 2,018