Stock-Based Compensation (Schedule of Stock Option Activity) (Details) - Employee Stock Option [Member]	9 Months Ended
	Sep. 30, 2017 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares, Outstanding at beginning of period (in shares) | shares	62,086
Number of shares, Granted (in shares) | shares	1,202
Number of shares, Exercised (in shares) | shares	(859)
Number of shares, Outstanding at end of period (in shares) | shares	62,429
Number of shares, Exercisable at end of period (in shares) | shares	61,828
Weighted Average Exercise Price, Outstanding at beginning of period | $ / shares	$ 8.29
Weighted Average Exercise Price, Granted | $ / shares	10.99
Weighted Average Exercise Price, Exercised | $ / shares	6.64
Weighted Average Exercise Price, Outstanding at end of period | $ / shares	8.36
Weighted Average Exercise Price, Exercisable at end of period | $ / shares	$ 8.34