Loans Receivable and Allowance for Loan Losses (Schedule of Changes in Allowance for Loan Losses) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Loans Receivable and Allowance for Loan Losses [Abstract]
Balance, beginning of period			$ 1,393	$ 2,480	$ 2,480
Provision for loan loss	$ 132	$ (83)	195	$ (421)	(544)
Charge-offs			(65)		(923)
Recoveries					380
Balance, end of period	$ 1,523		$ 1,523		$ 1,393