Leases, Information Related to Operating Leases (Details) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2019 USD ($)	Sep. 30, 2019 USD ($)
Cash Paid for Amounts Included in the Measurement of Lease Liabilities [Abstract]
Operating Cash Flow from Operating Leases	$ 195	$ 588
Right-of-Use Assets Obtained in Exchange for New Operating Lease Liabilities	$ 0	$ 5,645
Weighted-Average Remaining Lease Term - Operating Leases	8 years 1 month 2 days	8 years 1 month 2 days
Weighted-Average Discount Rate - Operating Leases	3.20%	3.20%