Leases (Future Minimum Lease Payments) (Details) $ in Thousands	Jun. 30, 2019 USD ($)
Leases [Abstract]
2019	$ 2,101
2020	3,616
2021	3,367
2022	3,292
2023	3,261
Thereafter	11,153
Total minimum lease payments	26,790
Less imputed interest	(5,012)
Total operating lease liability	21,778
As reflected on balance sheet:
Accrued expenses and other current liabilities	2,909
Other noncurrent liabilities	18,869
Total operating lease liability	$ 21,778