Leases - Schedule of Supplemental Lease Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Jan. 01, 2019
Leases [Abstract]
Cash paid for operating lease liabilities	$ 4,607
Right-of-use assets obtained in exchange for new operating lease obligations	$ 69,744
Weighted-average remaining lease term (years)	7 years 6 months 15 days
Weighted-average discount rate	3.73%
Lessee, Lease, Description [Line Items]
Right-of-use asset, net	$ 66,100
Accounting Standards Update 2016-02
Lessee, Lease, Description [Line Items]
Right-of-use asset, net		$ 55,900