Three Months Ended
September 30,

Nine Months Ended
September 30,

2021

2020

2021

2020

Numerator:

Consolidated net income

$

29,267

$

32,563

$

76,214

$

52,390

Less: Net income (loss) attributable to
redeemable noncontrolling interest

68

—

(3,398

)

—

Net income attributable to common
stockholders — basic

$

29,199

$

32,563

$

79,612

$

52,390

Add: Net income (loss) attributable to
redeemable noncontrolling interest

68

—

(588

)

—

Net income attributable to common
stockholders — diluted

$

29,267

$

32,563

$

79,024

$

52,390

Denominator:

Weighted-average number of shares of
   common stock used in computing net
   income per share attributable to
   common stockholders — basic

117,412,164

113,027,995

116,955,188

112,707,003

Dilutive effect of share equivalents
resulting from stock options

418,054

632,581

460,553

701,176

Dilutive effect of share equivalents
resulting from unvested restricted
stock units

491,175

306,287

403,967

324,437

Dilutive effect of share equivalents
resulting from CarOffer incentive
units and noncontrolling interest

2,116,980

—

1,231,520

—

Weighted-average number of shares
   of common stock used in computing
   net income per share attributable to
   common stockholders — diluted

120,438,373

113,966,863

119,051,228

113,732,616

Net income per share attributable to
common stockholders:

Basic

$

0.25

$

0.29

$

0.68

$

0.46

Diluted

$

0.24

$

0.29

$

0.66

$

0.46