Leases - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Leases
Operating Lease, Right-of-Use Asset	$ 6,500	$ 5,900	$ 6,500	$ 5,900
Operating Lease, Liability	6,795	6,100	6,795	6,100
Additional lease liabilities recorded	134		594
Operating Lease, Payments	401	405	858	816
Lease, Cost	$ 433	$ 423	$ 866	$ 852
Operating Lease, Weighted Average Remaining Lease Term	6 years 7 months 6 days		6 years 7 months 6 days
Operating Lease, Weighted Average Discount Rate, Percent	4.60%		4.60%