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Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands | Total | As Adjusted [Member] | Common Stock [Member] | Common Stock [Member] As Adjusted [Member] | Additional Paid-In Capital [Member] | Additional Paid-In Capital [Member] As Adjusted [Member] | Accumulated Other Comprehensive Income [Member] | Accumulated Other Comprehensive Income [Member] As Adjusted [Member] | Accumulated Deficit [Member] | Accumulated Deficit [Member] As Adjusted [Member]
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2019 | $ 337,412 |  | $ 1,553 |  | $ 352,658 |  | $ 945 |  | $ (17,744) |
Balance, shares at Dec. 31, 2019 |  |  | 155,264,000 |  |  |  |  |  |  |
Restricted stock issued and vesting of restricted stock units, net | 0 |  | $ 16 |  | (16) |  | 0 |  | 0 |
Restricted stock issued and vesting of restricted stock units net, shares |  |  | 1,601,000 |  |  |  |  |  |  |
Shares repurchased | (30,979) |  | $ (81) |  | (30,898) |  | 0 |  | 0 |
Shares repurchased, shares |  |  | (8,190,000) |  |  |  |  |  |  |
Exercise of stock options, net | 240 |  | $ 0 |  | 240 |  | 0 |  | 0 |
Exercise of stock options net, shares |  |  | 107,000 |  |  |  |  |  |  |
Stock-based compensation | 9,003 |  | $ 0 |  | 9,003 |  | 0 |  | 0 |
Allocation of equity component related to convertible notes, net of issuance costs | 3,663 |  | 0 |  | 3,663 |  | 0 |  | 0 |
Other comprehensive income/(loss) | (305) |  | 0 |  | 0 |  | (305) |  | 0 |
Dividends | (15,207) |  | 0 |  | (15,207) |  | 0 |  | 0 |
Net income loss | (22,158) |  | 0 |  | 0 |  | 0 |  | (22,158) |
Balance at Sep. 30, 2020 | 281,669 |  | $ 1,488 |  | 319,443 |  | 640 |  | (39,902) |
Balance, shares at Sep. 30, 2020 |  |  | 148,782,000 |  |  |  |  |  |  |
Balance at Jun. 30, 2020 | 287,532 |  | $ 1,498 |  | 325,406 |  | 260 |  | (39,632) |
Balance, shares at Jun. 30, 2020 |  |  | 149,796,000 |  |  |  |  |  |  |
Restricted stock issued and vesting of restricted stock units, net | 0 |  | $ 1 |  | (1) |  | 0 |  | 0 |
Restricted stock issued and vesting of restricted stock units net, shares |  |  | 52,000 |  |  |  |  |  |  |
Shares repurchased | (4,535) |  | $ (11) |  | (4,524) |  | 0 |  | 0 |
Shares repurchased, shares |  |  | (1,066,000) |  |  |  |  |  |  |
Stock-based compensation | 2,844 |  | $ 0 |  | 2,844 |  | 0 |  | 0 |
Allocation of equity component related to convertible notes, net of issuance costs | 655 |  | 0 |  | 655 |  | 0 |  | 0 |
Other comprehensive income/(loss) | 380 |  | 0 |  | 0 |  | 380 |  | 0 |
Dividends | (4,937) |  | 0 |  | (4,937) |  | 0 |  | 0 |
Net income loss | (270) |  | 0 |  | 0 |  | 0 |  | (270) |
Balance at Sep. 30, 2020 | 281,669 |  | $ 1,488 |  | 319,443 |  | 640 |  | (39,902) |
Balance, shares at Sep. 30, 2020 |  |  | 148,782,000 |  |  |  |  |  |  |
Balance at Dec. 31, 2020 | $ 266,265 | $ 263,199 | $ 1,487 | $ 1,487 | 317,075 | $ 313,393 | 1,102 | $ 1,102 | (53,399) | $ (52,783)
Balance, shares at Dec. 31, 2020 | 148,716,000 |  | 148,716,000 | 148,716,000 |  |  |  |  |  |
Reclassification of equity component related to convertible notes, net deferred taxes of $1,022, upon the implementation of Accounting Standards Update 2020-06 (Note 11) | $ (3,066) |  | $ 0 |  | (3,682) |  | 0 |  | 616 |
Restricted stock issued and vesting of restricted stock units, net | 0 |  | $ 13 |  | (13) |  | 0 |  | 0 |
Restricted stock issued and vesting of restricted stock units net, shares |  |  | 1,412,000 |  |  |  |  |  |  |
Shares repurchased | (34,506) |  | $ (51) |  | (34,455) |  | 0 |  | 0 |
Shares repurchased, shares |  |  | (5,121,000) |  |  |  |  |  |  |
Exercise of stock options, net | 815 |  | $ 2 |  | 813 |  | 0 |  | 0 |
Exercise of stock options net, shares |  |  | 143,000 |  |  |  |  |  |  |
Stock-based compensation | 7,661 |  | $ 0 |  | 7,661 |  | 0 |  | 0 |
Other comprehensive income/(loss) | (249) |  | 0 |  | 0 |  | (249) |  | 0 |
Dividends | (14,662) |  | 0 |  | 0 |  | 0 |  | (14,662) |
Net income loss | 38,610 |  | 0 |  | 0 |  | 0 |  | 38,610 |
Balance at Sep. 30, 2021 | $ 260,868 |  | $ 1,451 |  | 287,399 |  | 853 |  | (28,835) |
Balance, shares at Sep. 30, 2021 | 145,150,000 |  | 145,150,000 |  |  |  |  |  |  |
Balance at Jun. 30, 2021 | $ 257,737 |  | $ 1,451 |  | 285,002 |  | 1,155 |  | (29,871) |
Balance, shares at Jun. 30, 2021 |  |  | 145,114,000 |  |  |  |  |  |  |
Restricted stock issued and vesting of restricted stock units, net | 0 |  | $ 0 |  | 0 |  | 0 |  | 0 |
Restricted stock issued and vesting of restricted stock units net, shares |  |  | 36,000 |  |  |  |  |  |  |
Stock-based compensation | 2,397 |  | $ 0 |  | 2,397 |  | 0 |  | 0 |
Other comprehensive income/(loss) | (302) |  | 0 |  | 0 |  | (302) |  | 0 |
Dividends | (4,797) |  | 0 |  | 0 |  | 0 |  | (4,797) |
Net income loss | 5,833 |  | 0 |  | 0 |  | 0 |  | 5,833 |
Balance at Sep. 30, 2021 | $ 260,868 |  | $ 1,451 |  | $ 287,399 |  | $ 853 |  | $ (28,835) |
Balance, shares at Sep. 30, 2021 | 145,150,000 |  | 145,150,000 |  |  |  |  |  |  |

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