Leases - Narrative (Details) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2019 USD ($)	Sep. 30, 2019 USD ($)
Leases [Abstract]
Operating lease, expense	$ 18,700	$ 52,600
Operating lease, right-of-use asset	187,300	187,300
Operating lease liability	195,717	195,717
Operating lease, liability, current	35,300	35,300
Operating lease, liability, noncurrent	$ 160,400	$ 160,400
Operating lease, weighted average discount rate, percent	5.70%	5.70%
Finance lease, right-of-use asset	$ 33,900	$ 33,900
Finance lease, liability	33,400	33,400
Finance lease, liability, current	1,600	1,600
Finance lease, liability, noncurrent	$ 31,800	$ 31,800
Operating lease, weighted average remaining lease term	7 years	7 years