Leases (Details) $ in Thousands	Mar. 31, 2019 USD ($)
Lessee, Operating Lease, Liability, Payments, Due after Year Five	$ 4,131
Right-of-use asset:	4,990
Lease liability:	$ 5,138
Weighted-average remaining lease term	8 years 1 month
Weighted-average discount rate	3.02%
Minimum
Lessee, Operating Lease, Term of Contract	2 years
Maximum
Lessee, Operating Lease, Term of Contract	20 years