Leases (Schedule of Future Minimum Lease Commitments ) (Details) $ in Thousands	Sep. 30, 2019 USD ($)
Lessee, Operating Lease, Liability, Payment, Due [Abstract]
2019 (excluding the nine months ended September 30, 2019)	$ 733
2020	2,951
2021	2,985
2022	2,641
2023	1,665
Thereafter	2,686
Total lease payments	13,661
Less: imputed interest	(1,288)
Total	$ 12,373