Interest-Bearing Deposits (Schedule of Interest on Deposits) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Interest-Bearing Deposits [Abstract]
Interest-bearing demand deposits	$ 1,611	$ 1,387	$ 1,392
Savings deposits	79	100	65
Time deposits:
Less than $100	234	274	346
$100 to less than $250	114	191	119
$250 or more	149	77	189
Total	$ 2,187	$ 2,029	$ 2,111