Leases (Schedule of Operating Lease Information) (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Jan. 01, 2019
Lessee, Lease, Description [Line Items]
2019 (remaining)	$ 932
2020	3,424
2021	2,554
2022	1,625
2023	688
Thereafter	1,746
Total undiscounted operating lease payments	10,969
Less: Imputed interest	(763)
Present value of operating lease liabilities	10,206	$ 8,700
Right-of-use assets (recorded in other non-current assets)	9,883	$ 8,700
Current lease liabilities (recorded in other current liabilities)	3,251
Long-term lease liabilities (recorded in other long-term liabilities)	$ 6,955
Weighted-average remaining lease term for operating leases	4 years 4 months 2 days
Weighted-average discount rate for operating leases	3.50%