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NET INCOME PER SHARE Earnings Per Share (Tables)
 9 Months Ended
Sep. 30, 2021
Earnings Per Share [Abstract]  
Schedule of Antidilutive Securities Excluded From Computation of Net (Income) Loss Per Share
The following table sets forth (in thousands) potential common shares that were considered anti-dilutive securities at September 30, 2021 and 2020:
 September 30, 2021September 30, 2020
Options— 390 
Non-vested restricted stock units930 3,220 
Anti-dilutive potential common shares930 3,610 
Schedule of Weighted Average Number of Shares
The following table sets forth (in thousands) the basic and diluted weighted common shares outstanding for the three and nine months ended September 30, 2021:

Three months endedNine month ended
September 30, 2021September 30, 2020September 30, 2021September 30, 2020
Weighted common shares outstanding - basic45,564 44,019 45,115 43,665 
Net effect of common stock equivalents864 739 1,334 833 
Weighted common shares outstanding - diluted46,428 44,758 46,449 44,498