Stock-Based Compensation (Schedule of Stock Options Activity) (Details) - Employee Stock Option [Member]	9 Months Ended
	Sep. 30, 2021 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares, Outstanding at beginning of period (in shares)	2,709
Number of shares, Exercised (in shares)	(2,009)
Number of shares, Expired/Cancelled (in shares)	(700)
Weighted Average Grant Date Exercise Price, Outstanding at beginning of period | $ / shares	$ 6.64
Weighted Average Grant Date Exercise Price, Exercised | $ / shares	$ 6.64