Stock-Based Compensation (Schedule of Stock Options Activity) (Details) - Employee Stock Option [Member] - Equity Plan 2016 [Member] - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares, Outstanding at beginning of period (in shares)	2,709	11,671
Number of shares, Exercised (in shares)	(2,009)	(7,760)
Number of shares, Expired/Cancelled (in shares)	(700)	(1,202)
Number of shares, Outstanding at end of period (in shares)		2,709
Number of shares, Exercisable at end of period (in shares)		2,709
Weighted Average Grant Date Exercise Price, Outstanding at beginning of period	$ 6.64	$ 9.25
Weighted Average Grant Date Exercise Price, Exercised	6.64	9.01
Weighted Average Grant Date Exercise Price, Expired/Cancelled	$ 6.64	16.65
Weighted Average Grant Date Exercise Price, Outstanding at end of period		6.64
Weighted Average Exercise Price, Exercisable at end of period		$ 6.64