Leases, Schedule of Maturities of Lease Liabilities (Details) $ in Thousands	Mar. 31, 2019 USD ($)
Operating Lease Liabilities Payments Due [Abstract]
2019, Remainder of fiscal year	$ 26,972
2020	33,756
2021	29,487
2022	27,260
2023	22,093
2024 and thereafter	46,277
Total future lease payments	185,845
Less imputed interest	26,968
Present value of future operating lease payments	158,877
Less current operating lease liabilities	29,534
Non-current operating lease liabilities	129,343
Operating lease right-of-use asset, net	$ 141,075