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v3.21.2

Condensed Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands | Total | Common Stock | Additional Paid-in Capital | Retained Earnings
--- | --- | --- | --- | ---
Beginning balance (in shares) at Dec. 31, 2019 |  | 27,850,000 |  |
Beginning balance at Dec. 31, 2019 | $ 577,182 | $ 279 | $ 226,869 | $ 350,034
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Net income | 8,375 |  |  | 8,375
Share-based compensation expense | 3,266 |  | 3,266 |
Payment of dividends to shareholders | (5,050) |  | 2 | (5,052)
Payment of minimum tax withholdings on share-based awards (in shares) |  | (42,000) |  |
Payment of minimum tax withholdings on share-based awards | (2,672) |  |  | (2,672)
Repurchases and retirement of common stock (in shares) |  | (268,000) |  |
Repurchases and retirement of common stock | (15,259) | $ (3) |  | (15,256)
Issuance of share-based awards (in shares) |  | 139,000 |  |
Issuance of share-based awards | (1) | $ 1 | (2) |
Ending balance (in shares) at Mar. 31, 2020 |  | 27,679,000 |  |
Ending balance at Mar. 31, 2020 | 565,841 | $ 277 | 230,135 | 335,429
Beginning balance (in shares) at Dec. 31, 2019 |  | 27,850,000 |  |
Beginning balance at Dec. 31, 2019 | 577,182 | $ 279 | 226,869 | 350,034
Ending balance (in shares) at Sep. 30, 2020 |  | 27,258,000 |  |
Ending balance at Sep. 30, 2020 | 552,196 | $ 273 | 237,497 | 314,426
Beginning balance (in shares) at Mar. 31, 2020 |  | 27,679,000 |  |
Beginning balance at Mar. 31, 2020 | 565,841 | $ 277 | 230,135 | 335,429
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Net income | 3,155 |  |  | 3,155
Common stock issued under employee stock purchase plan (in shares) |  | 7,000 |  |
Common stock issued under employee stock purchase plan | 295 |  | 295 |
Share-based compensation expense | 2,654 |  | 2,654 |
Payment of dividends to shareholders | (5,039) |  | 3 | (5,042)
Payment of minimum tax withholdings on share-based awards (in shares) |  | (13,000) |  |
Payment of minimum tax withholdings on share-based awards | (613) |  |  | (613)
Issuance of share-based awards (in shares) |  | 56,000 |  |
Issuance of share-based awards | (1) |  | (1) |
Ending balance (in shares) at Jun. 30, 2020 |  | 27,729,000 |  |
Ending balance at Jun. 30, 2020 | 566,292 | $ 277 | 233,086 | 332,929
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Net income | 16,647 |  |  | 16,647
Stock options exercised (in shares) |  | 42,000 |  |
Stock options exercised | 1,902 | $ 1 | 1,901 |
Share-based compensation expense | 2,507 |  | 2,507 |
Payment of dividends to shareholders | (5,005) |  | 3 | (5,008)
Payment of minimum tax withholdings on share-based awards (in shares) |  | (3,000) |  |
Payment of minimum tax withholdings on share-based awards | (158) |  |  | (158)
Repurchases and retirement of common stock (in shares) |  | (519,000) |  |
Repurchases and retirement of common stock | (29,989) | $ (5) |  | (29,984)
Issuance of share-based awards (in shares) |  | 9,000 |  |
Ending balance (in shares) at Sep. 30, 2020 |  | 27,258,000 |  |
Ending balance at Sep. 30, 2020 | $ 552,196 | $ 273 | 237,497 | 314,426
Beginning balance (in shares) at Dec. 31, 2020 | 27,316,434 | 27,316,000 |  |
Beginning balance at Dec. 31, 2020 | $ 547,329 | $ 273 | 242,916 | 304,140
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Net income | 11,181 |  |  | 11,181
Stock options exercised (in shares) |  | 40,000 |  |
Stock options exercised | 2,147 |  | 2,147 |
Share-based compensation expense | 2,613 |  | 2,613 |
Payment of dividends to shareholders | (5,797) |  | 3 | (5,800)
Payment of minimum tax withholdings on share-based awards (in shares) |  | (35,000) |  |
Payment of minimum tax withholdings on share-based awards | (2,744) |  |  | (2,744)
Repurchases and retirement of common stock (in shares) |  | (114,000) |  |
Repurchases and retirement of common stock | (9,998) | $ (1) |  | (9,997)
Issuance of share-based awards (in shares) |  | 111,000 |  |
Issuance of share-based awards | 0 | $ 1 | (1) |
Ending balance (in shares) at Mar. 31, 2021 |  | 27,318,000 |  |
Ending balance at Mar. 31, 2021 | $ 544,731 | $ 273 | 247,678 | 296,780
Beginning balance (in shares) at Dec. 31, 2020 | 27,316,434 | 27,316,000 |  |
Beginning balance at Dec. 31, 2020 | $ 547,329 | $ 273 | 242,916 | 304,140
Ending balance (in shares) at Sep. 30, 2021 | 26,958,243 | 26,958,000 |  |
Ending balance at Sep. 30, 2021 | $ 555,536 | $ 270 | 255,071 | 300,195
Beginning balance (in shares) at Mar. 31, 2021 |  | 27,318,000 |  |
Beginning balance at Mar. 31, 2021 | 544,731 | $ 273 | 247,678 | 296,780
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Net income | 30,677 |  |  | 30,677
Stock options exercised (in shares) |  | 26,000 |  |
Stock options exercised | 1,416 |  | 1,416 |
Common stock issued under employee stock purchase plan (in shares) |  | 5,000 |  |
Common stock issued under employee stock purchase plan | 388 |  | 388 |
Share-based compensation expense | 2,981 |  | 2,981 |
Payment of dividends to shareholders | (5,768) |  | 3 | (5,771)
Payment of minimum tax withholdings on share-based awards (in shares) |  | (1,000) |  |
Payment of minimum tax withholdings on share-based awards | (82) |  |  | (82)
Repurchases and retirement of common stock (in shares) |  | (252,000) |  |
Repurchases and retirement of common stock | (23,994) | $ (2) |  | (23,992)
Issuance of share-based awards (in shares) |  | 24,000 |  |
Ending balance (in shares) at Jun. 30, 2021 |  | 27,120,000 |  |
Ending balance at Jun. 30, 2021 | 550,349 | $ 271 | 252,466 | 297,612
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Net income | 23,536 |  |  | 23,536
Share-based compensation expense | 2,601 |  | 2,601 |
Payment of dividends to shareholders | (5,705) |  | 4 | (5,709)
Payment of minimum tax withholdings on share-based awards (in shares) |  | (3,000) |  |
Payment of minimum tax withholdings on share-based awards | (248) |  |  | (248)
Repurchases and retirement of common stock (in shares) |  | (169,000) |  |
Repurchases and retirement of common stock | $ (14,997) | $ (1) |  | (14,996)
Issuance of share-based awards (in shares) |  | 10,000 |  |
Ending balance (in shares) at Sep. 30, 2021 | 26,958,243 | 26,958,000 |  |
Ending balance at Sep. 30, 2021 | $ 555,536 | $ 270 | $ 255,071 | $ 300,195

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