Leases (Future Minimum Lease Payments) (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Jan. 01, 2019
Leases [Abstract]
2019	$ 2,178
2020	3,883
2021	3,530
2022	2,648
2023	1,955
Thereafter	10,142
Total future minimum lease payments	24,336
Less: Imputed interest	3,205
Total operating lease liabilities	$ 21,131	$ 19,000