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Stockholders' Equity (Tables) | 9 Months Ended
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Sep. 30, 2021
Equity [Abstract] |
Schedule of Changes in Stockholders' Equity | Changes in stockholders’ equity for the three and nine months ended September 30, 2021 and 2020 were as follows:
|  | Three Months Ended September 30, 2021 |
|  | Common Stock |  |  | Additional Paid-in |  |  | Retained |  |  | Total Stockholders' |
|  | Number |  |  | Amount |  |  | Capital |  |  | Earnings |  |  | Equity |
|  | (in thousands, except share data) |
Beginning balance |  |  | 72,738,344 |  |  | $ | 73 |  |  | $ | 96,583 |  |  | $ | 167,792 |  |  | $ | 264,448 |
Issuance of Class A common stock from exercise of stock options and vesting of restricted stock units |  |  | 119,165 |  |  |  | — |  |  |  | 1,231 |  |  |  | — |  |  |  | 1,231 |
Equity-based compensation |  |  | — |  |  |  | — |  |  |  | 1,336 |  |  |  | — |  |  |  | 1,336 |
Cumulative translation adjustment |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (548 | ) |  |  | (548 | )
Net income |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 16,668 |  |  |  | 16,668 |
Ending balance |  |  | 72,857,509 |  |  | $ | 73 |  |  | $ | 99,150 |  |  | $ | 183,912 |  |  | $ | 283,135 |
|  | Three Months Ended September 30, 2020 |
|  | Common Stock |  |  | Additional Paid-in |  |  | Retained |  |  | Total Stockholders' |
|  | Number |  |  | Amount |  |  | Capital |  |  | Earnings |  |  | Equity |
|  | (in thousands, except share data) |
Beginning balance |  |  | 69,499,886 |  |  | $ | 70 |  |  | $ | 76,765 |  |  | $ | 74,602 |  |  | $ | 151,437 |
Issuance of Class A common stock from exercise of stock options and vesting of restricted stock units |  |  | 708,223 |  |  |  | — |  |  |  | 2,708 |  |  |  | — |  |  |  | 2,708 |
Equity-based compensation |  |  | — |  |  |  | — |  |  |  | 980 |  |  |  | — |  |  |  | 980 |
Cumulative translation adjustment |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 343 |  |  |  | 343 |
Net income |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 19,438 |  |  |  | 19,438 |
Ending balance |  |  | 70,208,109 |  |  | $ | 70 |  |  | $ | 80,453 |  |  | $ | 94,383 |  |  | $ | 174,906 |
|  | Nine Months Ended September 30, 2021 |
|  | Common Stock |  |  | Additional Paid-in |  |  | Retained |  |  | Total Stockholders' |
|  | Number |  |  | Amount |  |  | Capital |  |  | Earnings |  |  | Equity |
|  | (in thousands, except share data) |
Beginning balance |  |  | 71,396,706 |  |  | $ | 71 |  |  | $ | 86,040 |  |  | $ | 113,953 |  |  | $ | 200,064 |
Issuance of Class A common stock from exercise of stock options and vesting of restricted stock units |  |  | 1,460,803 |  |  |  | 2 |  |  |  | 9,446 |  |  |  | — |  |  |  | 9,448 |
Equity-based compensation |  |  | — |  |  |  | — |  |  |  | 3,664 |  |  |  | — |  |  |  | 3,664 |
Cumulative translation adjustment |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (499 | ) |  |  | (499 | )
Net income |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 70,458 |  |  |  | 70,458 |
Ending balance |  |  | 72,857,509 |  |  | $ | 73 |  |  | $ | 99,150 |  |  | $ | 183,912 |  |  | $ | 283,135 |
|  | Nine Months Ended September 30, 2020 |
|  | Common Stock |  |  | Additional Paid-in |  |  | Retained |  |  | Total Stockholders' |
|  | Number |  |  | Amount |  |  | Capital |  |  | Earnings |  |  | Equity |
|  | (in thousands, except share data) |
Beginning balance |  |  | 69,078,983 |  |  | $ | 69 |  |  | $ | 74,018 |  |  | $ | 56,677 |  |  | $ | 130,764 |
Issuance of Class A common stock from exercise of stock options and vesting of restricted stock units |  |  | 1,129,126 |  |  |  | 1 |  |  |  | 4,064 |  |  |  | — |  |  |  | 4,065 |
Equity-based compensation |  |  | — |  |  |  | — |  |  |  | 2,412 |  |  |  | — |  |  |  | 2,412 |
Cumulative translation adjustment |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (124 | ) |  |  | (124 | )
Other |  |  | — |  |  |  | — |  |  |  | (41 | ) |  |  | — |  |  |  | (41 | )
Net income |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 37,830 |  |  |  | 37,830 |
Ending balance |  |  | 70,208,109 |  |  | $ | 70 |  |  | $ | 80,453 |  |  | $ | 94,383 |  |  | $ | 174,906 |

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- Definition Tabular disclosure of changes in the separate accounts comprising stockholders' equity (in addition to retained earnings) and of the changes in the number of shares of equity securities during at least the most recent annual fiscal period and any subsequent interim period presented is required to make the financial statements sufficiently informative if both financial position and results of operations are presented. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 + Details
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