Interest-Bearing Deposits (Schedule of Interest-bearing Deposits) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Interest-Bearing Deposits [Abstract]
Interest-bearing demand deposits	$ 322,091	$ 386,203
Savings deposits	29,430	16,758
Time deposits:
Less than $100	3,523	4,758
$100 to less than $250	37,179	43,178
$250 or more	15,082	13,764
Total	$ 407,305	$ 464,661
Weighted average interest rate	0.48%	0.51%