Leases (Remaining Maturities of Lease Liabilities) (Details) $ in Thousands	Mar. 31, 2019 USD ($)
Lessee, Operating Lease, Liability, Payment, Due [Abstract]
2019	$ 2,700
2020	3,480
2021	3,450
2022	3,398
2023	2,986
Thereafter	24,506
Total lease payments	40,520
Less: imputed interest	14,856
Total lease liabilities	$ 25,664