Leases (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019		Jan. 01, 2019
Operating Lease, Right-of-Use Asset	$ 6,300		$ 6,700
Operating Lease, Liability	6,427	[1]	$ 6,700
Operating Lease, Payments	411
Lease, Cost	$ 429
Operating Lease, Weighted Average Remaining Lease Term	7 years
Operating Lease, Weighted Average Discount Rate, Percent	4.80%

[1] The weighted average remaining lease term and weighted average discount rate used in calculating our lease liabilities were 7 years and 4.8%, respectively, at March 31, 2019.