Stock-Based Compensation (Schedule of Stock Options Activity) (Details) - Employee Stock Option [Member]	3 Months Ended
	Mar. 31, 2019 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares, Outstanding at beginning of period (in shares) | shares	27,249
Number of shares, Exercised (in shares) | shares	(15,578)
Number of shares, Outstanding at end of period (in shares) | shares	11,671
Number of shares, Exercisable at end of period (in shares) | shares	11,671
Weighted Average Grant Date Fair Value, Outstanding at beginning of period | $ / shares	$ 9.68
Weighted Average Grant Date Fair Value, Exercised | $ / shares	10.01
Weighted Average Grant Date Fair Value, Outstanding at end of period | $ / shares	9.25
Weighted Average Exercise Price, Exercisable at end of period | $ / shares	$ 9.25