Commitments and Contingences (Narrative) (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2019	Dec. 31, 2018
Operating Leases
Total lease liability	$ 9,797
Right-of-use assets	9,729
Operating lease, payments	$ 368
Weighted average remaining lease term	18 years 6 months 18 days
Weighted average discount rate	3.51%
Lease cost	$ 436
Rent expense		$ 468
Rent expense for closed leased properties		$ 66
Minimum [Member]
Operating Leases
Remaining lease term	6 months
Maximum [Member]
Operating Leases
Remaining lease term	26 years