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Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands | Total | Cumulative effect of a change in accounting principle related to convertible debt | Common Stock | Treasury Stock | Additional Paid-In Capital | Additional Paid-In Capital Cumulative effect of a change in accounting principle related to convertible debt | Accumulated Earnings | Accumulated Earnings Cumulative effect of a change in accounting principle related to convertible debt | Accumulated Other Comprehensive Income (Loss)
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance at beginning of period (in shares) at Dec. 31, 2020 |  |  | 52,677,000 |  |  |  |  |  |
Balance at beginning of period at Dec. 31, 2020 | $ 967,503 |  | $ 53 | $ (238,109) | $ 920,359 |  | $ 290,722 |  | $ (5,522)
Balance at beginning of period, Treasury stock (in shares) at Dec. 31, 2020 |  |  |  | (9,894,000) |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Net income (loss) | 14,127 |  |  |  |  |  | 14,127 |  |
Other comprehensive income (loss) | (621) |  |  |  |  |  |  |  | (621)
Share-based compensation | 11,772 |  |  |  | 11,772 |  |  |  |
Issuance of common stock under employee stock plans (in shares) |  |  | 388,000 |  |  |  |  |  |
Issuance of common stock under employee stock plans | 20,826 |  |  |  | 20,826 |  |  |  |
Tax payments related to restricted stock units | (2,596) |  |  |  | (2,596) |  |  |  |
Balance at end of period (in shares) at Mar. 31, 2021 |  |  | 53,065,000 |  |  |  |  |  |
Balance at end of period at Mar. 31, 2021 | 1,011,011 |  | $ 53 | $ (238,109) | 950,361 |  | 304,849 |  | (6,143)
Balance at end of period, Treasury stock (in shares) at Mar. 31, 2021 |  |  |  | (9,894,000) |  |  |  |  |
Balance at beginning of period (in shares) at Dec. 31, 2020 |  |  | 52,677,000 |  |  |  |  |  |
Balance at beginning of period at Dec. 31, 2020 | 967,503 |  | $ 53 | $ (238,109) | 920,359 |  | 290,722 |  | (5,522)
Balance at beginning of period, Treasury stock (in shares) at Dec. 31, 2020 |  |  |  | (9,894,000) |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Net income (loss) | 34,551 |  |  |  |  |  |  |  |
Other comprehensive income (loss) | 31 |  |  |  |  |  |  |  |
Balance at end of period (in shares) at Jun. 30, 2021 |  |  | 53,330,000 |  |  |  |  |  |
Balance at end of period at Jun. 30, 2021 | 1,052,572 |  | $ 53 | $ (238,109) | 970,846 |  | 325,273 |  | (5,491)
Balance at end of period, Treasury stock (in shares) at Jun. 30, 2021 |  |  |  | (9,894,000) |  |  |  |  |
Balance at beginning of period (in shares) at Dec. 31, 2020 |  |  | 52,677,000 |  |  |  |  |  |
Balance at beginning of period at Dec. 31, 2020 | $ 967,503 |  | $ 53 | $ (238,109) | 920,359 |  | 290,722 |  | (5,522)
Balance at beginning of period, Treasury stock (in shares) at Dec. 31, 2020 |  |  |  | (9,894,000) |  |  |  |  |
Balance at end of period (in shares) at Dec. 31, 2021 | 44,179,000 |  | 54,073,000 |  |  |  |  |  |
Balance at end of period at Dec. 31, 2021 | $ 1,146,689 | $ (56,233) | $ 54 | $ (238,109) | 1,024,580 | $ (72,742) | 368,571 | $ 16,509 | (8,407)
Balance at end of period, Treasury stock (in shares) at Dec. 31, 2021 | (9,894,000) |  |  | (9,894,000) |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Accounting Standards Update [Extensible Enumeration] | Accounting Standards Update 2020-06 [Member] |  |  |  |  |  |  |  |
Balance at beginning of period (in shares) at Mar. 31, 2021 |  |  | 53,065,000 |  |  |  |  |  |
Balance at beginning of period at Mar. 31, 2021 | $ 1,011,011 |  | $ 53 | $ (238,109) | 950,361 |  | 304,849 |  | (6,143)
Balance at beginning of period, Treasury stock (in shares) at Mar. 31, 2021 |  |  |  | (9,894,000) |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Net income (loss) | 20,424 |  |  |  |  |  | 20,424 |  |
Other comprehensive income (loss) | 652 |  |  |  |  |  |  |  | 652
Share-based compensation | 13,039 |  |  |  | 13,039 |  |  |  |
Issuance of common stock under employee stock plans (in shares) |  |  | 265,000 |  |  |  |  |  |
Issuance of common stock under employee stock plans | 11,517 |  |  |  | 11,517 |  |  |  |
Tax payments related to restricted stock units | (4,071) |  |  |  | (4,071) |  |  |  |
Balance at end of period (in shares) at Jun. 30, 2021 |  |  | 53,330,000 |  |  |  |  |  |
Balance at end of period at Jun. 30, 2021 | $ 1,052,572 |  | $ 53 | $ (238,109) | 970,846 |  | 325,273 |  | (5,491)
Balance at end of period, Treasury stock (in shares) at Jun. 30, 2021 |  |  |  | (9,894,000) |  |  |  |  |
Balance at beginning of period (in shares) at Dec. 31, 2021 | 44,179,000 |  | 54,073,000 |  |  |  |  |  |
Balance at beginning of period at Dec. 31, 2021 | $ 1,146,689 | (56,233) | $ 54 | $ (238,109) | 1,024,580 | (72,742) | 368,571 | 16,509 | (8,407)
Balance at beginning of period, Treasury stock (in shares) at Dec. 31, 2021 | (9,894,000) |  |  | (9,894,000) |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Net income (loss) | $ 8,213 |  |  |  |  |  | 8,213 |  |
Other comprehensive income (loss) | (2,555) |  |  |  |  |  |  |  | (2,555)
Share-based compensation | 16,208 |  |  |  | 16,208 |  |  |  |
Issuance of common stock under employee stock plans (in shares) |  |  | 384,000 |  |  |  |  |  |
Issuance of common stock under employee stock plans | 18,951 |  |  |  | 18,951 |  |  |  |
Tax payments related to restricted stock units | (4,322) |  |  |  | (4,322) |  |  |  |
Stock repurchases (in shares) |  |  |  | (389,000) |  |  |  |  |
Stock repurchases | (52,210) |  |  | $ (52,210) |  |  |  |  |
Balance at end of period (in shares) at Mar. 31, 2022 |  |  | 54,457,000 |  |  |  |  |  |
Balance at end of period at Mar. 31, 2022 | $ 1,074,741 |  | $ 54 | $ (290,319) | 982,675 |  | 393,293 |  | (10,962)
Balance at end of period, Treasury stock (in shares) at Mar. 31, 2022 |  |  |  | (10,283,000) |  |  |  |  |
Balance at beginning of period (in shares) at Dec. 31, 2021 | 44,179,000 |  | 54,073,000 |  |  |  |  |  |
Balance at beginning of period at Dec. 31, 2021 | $ 1,146,689 | $ (56,233) | $ 54 | $ (238,109) | 1,024,580 | $ (72,742) | 368,571 | $ 16,509 | (8,407)
Balance at beginning of period, Treasury stock (in shares) at Dec. 31, 2021 | (9,894,000) |  |  | (9,894,000) |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Net income (loss) | $ 17,282 |  |  |  |  |  |  |  |
Other comprehensive income (loss) | $ (8,965) |  |  |  |  |  |  |  |
Balance at end of period (in shares) at Jun. 30, 2022 | 44,288,000 |  | 54,571,000 |  |  |  |  |  |
Balance at end of period at Jun. 30, 2022 | $ 1,092,637 |  | $ 55 | $ (290,319) | 997,911 |  | 402,362 |  | (17,372)
Balance at end of period, Treasury stock (in shares) at Jun. 30, 2022 | (10,283,000) |  |  | (10,283,000) |  |  |  |  |
Balance at beginning of period (in shares) at Mar. 31, 2022 |  |  | 54,457,000 |  |  |  |  |  |
Balance at beginning of period at Mar. 31, 2022 | $ 1,074,741 |  | $ 54 | $ (290,319) | 982,675 |  | 393,293 |  | (10,962)
Balance at beginning of period, Treasury stock (in shares) at Mar. 31, 2022 |  |  |  | (10,283,000) |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Net income (loss) | 9,069 |  |  |  |  |  | 9,069 |  |
Other comprehensive income (loss) | (6,410) |  |  |  |  |  |  |  | (6,410)
Share-based compensation | 17,213 |  |  |  | 17,213 |  |  |  |
Issuance of common stock under employee stock plans (in shares) |  |  | 114,000 |  |  |  |  |  |
Issuance of common stock under employee stock plans | 2,172 |  | $ 1 |  | 2,171 |  |  |  |
Tax payments related to restricted stock units | $ (4,148) |  |  |  | (4,148) |  |  |  |
Balance at end of period (in shares) at Jun. 30, 2022 | 44,288,000 |  | 54,571,000 |  |  |  |  |  |
Balance at end of period at Jun. 30, 2022 | $ 1,092,637 |  | $ 55 | $ (290,319) | $ 997,911 |  | $ 402,362 |  | $ (17,372)
Balance at end of period, Treasury stock (in shares) at Jun. 30, 2022 | (10,283,000) |  |  | (10,283,000) |  |  |  |  |

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