Leases - Summary of Other Information Related to Operating Leases (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2019 USD ($)
Leases [Abstract]
Operating cash flows from operating leases	$ 27,772
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 28,763
Weighted-average remaining lease term - operating leases	5 years 3 months 18 days
Weighted-average discount rate - operating leases	3.70%