Leases (Future Minimum Lease Payments) (Details) $ in Thousands	Sep. 30, 2019 USD ($)
Leases [Abstract]
2019	$ 1,024
2020	3,616
2021	3,367
2022	3,292
2023	3,261
Thereafter	11,153
Total minimum lease payments	25,713
Less imputed interest	(4,725)
Total operating lease liability	20,988
As reflected on balance sheet:
Accrued expenses and other current liabilities	2,713
Other noncurrent liabilities	18,275
Total operating lease liability	$ 20,988