Leases (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Leases
ROU lease assets	$ 3,000	$ 2,700
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Other Assets	Other Assets
lease liability	$ 3,648	$ 3,300
Operating Lease, Liability, Statement of Financial Position [Extensible List]	Accrued Liabilities and Other Liabilities	Accrued Liabilities and Other Liabilities