Leases (Schedule of Operating Lease Information) (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Jan. 01, 2019
Lessee, Lease, Description [Line Items]
2019 (remaining)	$ 2,321
2020	2,570
2021	1,761
2022	1,093
2023	331
Thereafter	749
Total undiscounted operating lease payments	8,825
Less: Imputed interest	(558)
Present value of operating lease liabilities	8,267	$ 8,700
Right-of-use assets (recorded in other non-current assets)	7,987	$ 8,700
Current lease liabilities (recorded in other current liabilities)	2,799
Long-term lease liabilities (recorded in other long-term liabilities)	$ 5,468
Weighted-average remaining lease term for operating leases	3 years 8 months 27 days
Weighted-average discount rate for operating leases	3.50%