Leases (Details Textual) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2019 USD ($)	Sep. 30, 2019 USD ($)
Lessee Lease Description [Line Items]
Operating leases options to extend		10 years
Operating leases Options to terminate		3 months
Operating lease, right-of-use asset	$ 3,300	$ 3,300
Operating lease, liability	3,301	3,301
Operating lease, payments	146	438
Finance leases, interest expense	25	78
Finance leases, amortization expense	$ 89	$ 266
Weighted average remaining lease term		6 years 7 months 6 days
Weighted-average discount rate	3.40%	3.40%
Minimum
Lessee Lease Description [Line Items]
Operating leases remaining lease terms	3 months	3 months
Maximum
Lessee Lease Description [Line Items]
Operating leases remaining lease terms	10 years 9 months	10 years 9 months