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v3.19.1

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, 2017 |  | 27,856,752 |  |  |
Stockholders' Equity, Beginning Balance at Dec. 31, 2017 | $ 747,298 | $ 295 | $ 306,483 | $ 473,329 | $ (32,809)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net income | 18,063 |  |  | 18,063 |
Proceeds from issuance of common shares for conversion of convertible notes | 20,309 | $ 6 | 20,303 |  |
Common shares issued for conversion of convertible notes |  | 628,515 |  |  |
Stock options exercised, shares |  | 24,220 |  |  |
Stock options exercised | 426 |  | (56) |  | 482
Stock-based compensation expense | 1,039 |  | 1,039 |  |
Deferral of executive and director compensation | 185 |  | 185 |  |
Executive and director deferred compensation distributions shares |  | 61,366 |  |  |
Executive and director deferred compensation distributions | (955) |  | (2,174) |  | 1,219
Shares Outstanding, Ending Balance at Mar. 31, 2018 |  | 28,570,853 |  |  |
Stockholders' Equity, Ending Balance at Mar. 31, 2018 | 786,365 | $ 301 | 325,780 | 491,392 | (31,108)
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 | 200,000 | (201,088) |  |  |
Repurchase of common shares | $ (5,150) |  |  |  | (5,150)
Deferral of executive and director compensation | 246 |  | 246 |  |
Executive and director deferred compensation distributions shares |  | 116,956 |  |  |
Executive and director deferred compensation distributions | 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)

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