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v3.20.1

Condensed Consolidated Statement of Shareholders' Equity - USD ($) $ in Thousands | Total | Common Shares [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | Treasury Shares [Member]
--- | --- | --- | --- | --- | ---
Shares Outstanding, Beginning Balance at Dec. 31, 2018 |  | 27,516,218 |  |  |
Stockholders' Equity, Beginning Balance at Dec. 31, 2018 | $ 855,303 | $ 301 | $ 330,517 | $ 580,992 | $ (56,507)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net income | 17,723 |  |  | 17,723 |
Stock options exercised, shares |  | 136,740 |  |  |
Stock options exercised | 2,428 |  | (550) |  | 2,978
Stock-based compensation expense | 912 |  | 912 |  |
Repurchase of common shares, shares |  | (201,088) |  |  |
Repurchase of common shares | (5,150) |  |  |  | (5,150)
Deferral of executive and director compensation | 246 |  | 246 |  |
Deferred Compensation Arrangement with Individual, Shares Issued |  | 116,956 |  |  |
Deferred Compensation Arrangement with Individual, Distribution Paid | 0 |  | (2,545) |  | 2,545
Shares Outstanding, Ending Balance at Mar. 31, 2019 |  | 27,568,826 |  |  |
Stockholders' Equity, Ending Balance at Mar. 31, 2019 | 871,462 | $ 301 | 328,580 | 598,715 | (56,134)
Shares Outstanding, Beginning Balance at Dec. 31, 2019 |  | 28,386,456 |  |  |
Stockholders' Equity, Beginning Balance at Dec. 31, 2019 | 1,003,477 | $ 301 | 332,861 | 708,579 | (38,264)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net income | 31,746 |  |  | 31,746 |
Stock options exercised, shares |  | 132,300 |  |  |
Stock options exercised | 3,182 |  | 290 |  | 2,892
Stock-based compensation expense | $ 973 |  | 973 |  |
Repurchase of common shares, shares | 100,000 | (80,000) |  |  |
Repurchase of common shares | $ (1,912) |  |  |  | (1,912)
Deferral of executive and director compensation | 215 |  | 215 |  |
Deferred Compensation Arrangement with Individual, Shares Issued |  | 84,573 |  |  |
Deferred Compensation Arrangement with Individual, Distribution Paid | 0 |  | (1,849) |  | 1,849
Shares Outstanding, Ending Balance at Mar. 31, 2020 |  | 28,523,329 |  |  |
Stockholders' Equity, Ending Balance at Mar. 31, 2020 | $ 1,037,681 | $ 301 | $ 332,490 | $ 740,325 | $ (35,435)

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