Leases (Maturities of Operating Lease Liabilities) (Details) $ in Thousands	Jun. 30, 2019 USD ($)
Leases [Abstract]
Remainder of 2019	$ 24,117
2020	44,461
2021	40,681
2022	35,121
2023	31,556
Thereafter	77,578
Total undiscounted future minimum lease payments	253,514
Less: Discount impact	(44,407)
Total lease liability	$ 209,107