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NET INCOME PER SHARE
 6 Months Ended
Jun. 30, 2024
Earnings Per Share [Abstract]  
NET INCOME PER SHARE NET INCOME PER SHARE
Basic net income per common share is calculated by dividing the net income attributable to common shares by the weighted average number of common shares outstanding during the period. Diluted net income per common share is calculated by dividing the net income attributable to common shares by the weighted average number of common shares outstanding plus dilutive potential common shares outstanding during the period.
Potential common shares include the shares of common stock issuable upon the exercise of outstanding stock options, the vesting of RSUs and the purchase of shares from the ESPP (using the treasury stock method), if applicable. Potential common shares associated with convertible senior notes are treated under the if-converted method. Adjustments are made to the diluted net income per common share calculation as if the Company had converted the convertible senior notes on the first day of each period presented. Adjustments to the numerator are made to add back the interest expense associated with the convertible senior notes on a post-tax basis. Adjustments to the denominator reflect the number of shares assumed to be convertible at the beginning of the period.
Potential common shares are excluded from the diluted net income per common share computation to the extent they would be antidilutive.
The following table sets forth the computation of basic and diluted net income per common share for the three and six months ended June 30, 2024 and 2023 (in thousands, except per share amounts):
Three Months Ended
June 30,		Six Months Ended
June 30,
2024202320242023
Numerator:
   Net income —basic$18,886 $25,763 $27,865 $6,227 
2025 Notes if-converted method adjustment762 1,029 1,790 — 
   Adjusted net income —diluted$19,648 $26,792 $29,655 $6,227 
Denominator:
   Weighted average common shares outstanding—basic46,174 46,088 46,337 46,019 
Computation of diluted securities:
2025 Notes if-converted method adjustment4,122 5,607 4,865 — 
   Dilutive effect of stock options— 108 — 92 
   Dilutive effect of RSUs239 244 162 170 
Dilutive effect of ESPP purchase options4 7 2 4 
   Weighted average common shares outstanding—diluted50,539 52,054 51,366 46,285 
Net income per share:
   Basic net income per common share$0.41 $0.56 $0.60 $0.14 
   Diluted net income per common share$0.39 $0.51 $0.58 $0.13 
The following table summarizes the outstanding stock options, RSUs, ESPP purchase options and convertible senior notes that were excluded from the diluted net income per common share calculation because the effects of including these potential shares were antidilutive in the periods presented (in thousands):
Three Months Ended
June 30,		Six Months Ended
June 30,
2024202320242023
Weighted average number of stock options7,311 5,404 7,486 5,403 
2025 Notes (1)
— — — 5,607 
Weighted average number of RSUs1,304 701 1,267 759 
Weighted average ESPP purchase options— — 26 — 
      Total8,615 6,105 8,779 11,769 
(1) For the six months ended June 30, 2023, the diluted earnings per share calculation excluded 5.6 million potential common shares assuming conversion of the 2025 Notes, as well as the related $1.0 million of interest expense, net of tax, because these adjustments would have been antidilutive.