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UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - USD ($) $ in Thousands | Total | Common Stock | Additional Paid-in Capital | Retained Earnings | Accumulated Other Comprehensive Income (Loss)
--- | --- | --- | --- | --- | ---
Beginning balance (in shares) at Dec. 31, 2020 |  | 24,418,939 |  |  |
Beginning balance at Dec. 31, 2020 | $ 1,748,319 | $ 244 | $ 1,519,549 | $ 179,646 | $ 48,880
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Stock-based compensation | 12,714 |  | 12,659 | 55 |
Exercise of stock options, net (in shares) |  | 1,632 |  |  |
Exercise of stock options, net | 113 |  | 113 |  |
Issuance of restricted stock, net (in shares) |  | 256,877 |  |  |
Issuance of restricted stock, net | (2,339) | $ 3 | (2,342) |  |
Repurchase of common stock (in shares) |  | (76,969) |  |  |
Repurchase of common stock | (5,905) | $ (1) | (4,790) | (1,114) |
Common stock dividends | (44,329) |  |  | (44,329) |
Foreign currency translation adjustment | (46,864) |  |  |  | (46,864)
Unrealized gains (losses) on marketable securities, net of tax | (60) |  |  |  | (60)
Net income | 33,407 |  |  | 33,407 |
Ending balance (in shares) at Sep. 30, 2021 |  | 24,600,479 |  |  |
Ending balance at Sep. 30, 2021 | 1,695,056 | $ 246 | 1,525,189 | 167,665 | 1,956
Beginning balance (in shares) at Jun. 30, 2021 |  | 24,621,111 |  |  |
Beginning balance at Jun. 30, 2021 | 1,733,180 | $ 246 | 1,523,022 | 179,089 | 30,823
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Stock-based compensation | 4,646 |  | 4,624 | 22 |
Issuance of restricted stock, net (in shares) |  | 18,843 |  |  |
Issuance of restricted stock, net | 1 | $ 1 |  |  |
Repurchase of common stock (in shares) |  | (39,475) |  |  |
Repurchase of common stock | (3,001) | $ (1) | (2,457) | (543) |
Common stock dividends | (14,757) |  |  | (14,757) |
Foreign currency translation adjustment | (28,876) |  |  |  | (28,876)
Unrealized gains (losses) on marketable securities, net of tax | 9 |  |  |  | 9
Net income | 3,854 |  |  | 3,854 |
Ending balance (in shares) at Sep. 30, 2021 |  | 24,600,479 |  |  |
Ending balance at Sep. 30, 2021 | 1,695,056 | $ 246 | 1,525,189 | 167,665 | 1,956
Beginning balance (in shares) at Dec. 31, 2021 |  | 24,592,098 |  |  |
Beginning balance at Dec. 31, 2021 | 1,713,990 | $ 246 | 1,529,969 | 174,572 | 9,203
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Stock-based compensation | 16,209 |  | 16,202 | 7 |
Issuance of restricted stock, net (in shares) |  | 434,068 |  |  |
Issuance of restricted stock, net | (2,868) | $ 5 | (2,873) |  |
Repurchase of common stock (in shares) |  | (571,789) |  |  |
Repurchase of common stock | (36,916) | $ (6) | (35,396) | (1,514) |
Common stock dividends | (44,702) |  |  | (44,702) |
Foreign currency translation adjustment | (74,677) |  |  |  | (74,677)
Unrealized gains (losses) on marketable securities, net of tax | (895) |  |  |  | (895)
Net income | 28,341 |  |  | 28,341 |
Ending balance (in shares) at Sep. 30, 2022 |  | 24,454,377 |  |  |
Ending balance at Sep. 30, 2022 | 1,598,482 | $ 245 | 1,507,902 | 156,704 | (66,369)
Beginning balance (in shares) at Jun. 30, 2022 |  | 24,637,268 |  |  |
Beginning balance at Jun. 30, 2022 | 1,651,921 | $ 246 | 1,513,509 | 166,175 | (28,009)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Stock-based compensation | 5,612 |  | 5,605 | 7 |
Issuance of restricted stock, net (in shares) |  | (4,138) |  |  |
Issuance of restricted stock, net | (90) | $ 1 | (91) |  |
Repurchase of common stock (in shares) |  | (178,753) |  |  |
Repurchase of common stock | (11,944) | $ (2) | (11,121) | (821) |
Common stock dividends | (14,749) |  |  | (14,749) |
Foreign currency translation adjustment | (38,171) |  |  |  | (38,171)
Unrealized gains (losses) on marketable securities, net of tax | (189) |  |  |  | (189)
Net income | 6,092 |  |  | 6,092 |
Ending balance (in shares) at Sep. 30, 2022 |  | 24,454,377 |  |  |
Ending balance at Sep. 30, 2022 | $ 1,598,482 | $ 245 | $ 1,507,902 | $ 156,704 | $ (66,369)

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