Operating Leases (Narrative) (Details) - USD ($)	3 Months Ended	9 Months Ended
	Jun. 30, 2020	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2018
Operating Leases [Abstract]
Operating lease asset				$ 431,000
Operating lease obligation				$ 431,000
Cash paid operating lease costs		$ 193,000	$ 197,000
Increase in operating lease assets and liabilities	$ 194,000