Leases, Information Related to Operating Leases (Details) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)
Cash Paid for Amounts Included in the Measurement of Lease Liabilities [Abstract]
Operating Cash Flow from Operating Leases	$ 197	$ 393
Right-of-Use Assets Obtained in Exchange for New Operating Lease Liabilities	$ 916	$ 5,645
Weighted-Average Remaining Lease Term - Operating Leases	8 years 3 months 18 days	8 years 3 months 18 days
Weighted-Average Discount Rate - Operating Leases	3.20%	3.20%