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CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands | Number of Common Shares outstanding | Treasury shares | Additional Paid-In Capital | Common Shares held in treasury | Retained earnings | Accumulated other comprehensive loss | Total
--- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2018 |  |  |  | $ 231,647 | $ (8,880) | $ 146,251 | $ (85,752) | $ 283,266 |
Common Stock, Share, Beginning Balance (in shares) at Dec. 31, 2018 |  | 28,488 |  |  |  |  |  |  |
Treasury Stock, Shares, Beginning Balance at Dec. 31, 2018 |  |  | 478 |  |  |  |  |  |
Net income (loss) |  |  |  |  |  | 9,657 |  | 9,657 |
Unrealized gain (loss) on derivatives, net |  |  |  |  |  |  | 42 | 42 |
Currency translation adjustments |  |  |  |  |  |  | (3,804) | (3,804) |
Issuance of Common Shares ( in shares) |  | 305 |  |  |  |  |  |  |
Issuance of Common Shares ( in treasury shares) |  |  | (305) |  |  |  |  |  |
Repurchased Common Shares for treasury, net |  |  |  |  | (1,883) |  |  | (1,883) |
Repurchased Common Shares for treasury (in shares) |  | (98) |  |  |  |  |  |  |
Repurchased Common Shares for treasury (in treasury shares) |  |  | 98 |  |  |  |  |  |
Share-based compensation |  |  |  | 480 |  |  |  | 480 |
Balance at Mar. 31, 2019 |  |  |  | 232,127 | (10,763) | 155,908 | (89,514) | 287,758 |
Common Stock, Share, Ending Balance (in shares) at Mar. 31, 2019 |  | 28,695 |  |  |  |  |  |  |
Treasury Stock, Shares, Ending Balance at Mar. 31, 2019 |  |  | 271 |  |  |  |  |  |
Balance at Dec. 31, 2018 |  |  |  | 231,647 | (8,880) | 146,251 | (85,752) | 283,266 |
Common Stock, Share, Beginning Balance (in shares) at Dec. 31, 2018 |  | 28,488 |  |  |  |  |  |  |
Treasury Stock, Shares, Beginning Balance at Dec. 31, 2018 |  |  | 478 |  |  |  |  |  |
Net income (loss) |  |  |  |  |  |  |  | 56,082 |
Unrealized gain (loss) on derivatives, net | [1] |  |  |  |  |  |  | (196) |
Balance at Sep. 30, 2019 |  |  |  | 224,251 | (50,836) | 202,333 | (99,168) | 276,580 |
Common Stock, Share, Ending Balance (in shares) at Sep. 30, 2019 |  | 27,402 |  |  |  |  |  |  |
Treasury Stock, Shares, Ending Balance at Sep. 30, 2019 |  |  | 1,564 |  |  |  |  |  |
Balance at Mar. 31, 2019 |  |  |  | 232,127 | (10,763) | 155,908 | (89,514) | 287,758 |
Common Stock, Share, Beginning Balance (in shares) at Mar. 31, 2019 |  | 28,695 |  |  |  |  |  |  |
Treasury Stock, Shares, Beginning Balance at Mar. 31, 2019 |  |  | 271 |  |  |  |  |  |
Net income (loss) |  |  |  |  |  | 39,764 |  | 39,764 |
Unrealized gain (loss) on derivatives, net |  |  |  |  |  |  | (112) | (112) |
Currency translation adjustments |  |  |  |  |  |  | 2,311 | 2,311 |
Issuance of Common Shares ( in shares) |  | 31 |  |  |  |  |  |  |
Issuance of Common Shares ( in treasury shares) |  |  | (31) |  |  |  |  |  |
Repurchased Common Shares for treasury, net |  |  |  |  | 74 |  |  | 74 |
Repurchased Common Shares for treasury (in shares) |  | (9) |  |  |  |  |  |  |
Repurchased Common Shares for treasury (in treasury shares) |  |  | 9 |  |  |  |  |  |
Common Share repurchase program |  |  |  | (10,000) | (40,000) |  |  | (50,000) |
Common Share repurchase program (in shares) |  | (1,350) |  |  |  |  |  |  |
Common Share repurchase program (in treasury shares) |  |  | 1,350 |  |  |  |  |  |
Share-based compensation |  |  |  | 1,704 |  |  |  | 1,704 |
Balance at Jun. 30, 2019 |  |  |  | 223,831 | (50,689) | 195,672 | (87,315) | 281,499 |
Common Stock, Share, Ending Balance (in shares) at Jun. 30, 2019 |  | 27,367 |  |  |  |  |  |  |
Treasury Stock, Shares, Ending Balance at Jun. 30, 2019 |  |  | 1,599 |  |  |  |  |  |
Net income (loss) |  |  |  |  |  | 6,661 |  | 6,661 |
Unrealized gain (loss) on derivatives, net |  |  |  |  |  |  | (126) | (126) | [1]
Currency translation adjustments |  |  |  |  |  |  | (11,727) | (11,727) |
Issuance of Common Shares ( in shares) |  | 62 |  |  |  |  |  |  |
Issuance of Common Shares ( in treasury shares) |  |  | (62) |  |  |  |  |  |
Repurchased Common Shares for treasury, net |  |  |  |  | (147) |  |  | (147) |
Repurchased Common Shares for treasury (in shares) |  | (27) |  |  |  |  |  |  |
Repurchased Common Shares for treasury (in treasury shares) |  |  | 27 |  |  |  |  |  |
Share-based compensation |  |  |  | 420 |  |  |  | 420 |
Balance at Sep. 30, 2019 |  |  |  | 224,251 | (50,836) | 202,333 | (99,168) | 276,580 |
Common Stock, Share, Ending Balance (in shares) at Sep. 30, 2019 |  | 27,402 |  |  |  |  |  |  |
Treasury Stock, Shares, Ending Balance at Sep. 30, 2019 |  |  | 1,564 |  |  |  |  |  |
Balance at Dec. 31, 2019 |  |  |  | 225,607 | (50,773) | 206,542 | (91,472) | $ 289,904 |
Common Stock, Share, Beginning Balance (in shares) at Dec. 31, 2019 |  | 27,408 |  |  |  |  |  | 27,408 |
Treasury Stock, Shares, Beginning Balance at Dec. 31, 2019 |  |  | 1,558 |  |  |  |  | 1,558 |
Net income (loss) |  |  |  |  |  | 3,490 |  | $ 3,490 |
Unrealized gain (loss) on derivatives, net |  |  |  |  |  |  | (3,655) | (3,655) |
Currency translation adjustments |  |  |  |  |  |  | (17,119) | (17,119) |
Issuance of Common Shares ( in shares) |  | 267 |  |  |  |  |  |  |
Issuance of Common Shares ( in treasury shares) |  |  | (267) |  |  |  |  |  |
Repurchased Common Shares for treasury, net |  |  |  |  | 4,769 |  |  | 4,769 |
Repurchased Common Shares for treasury (in shares) |  | (75) |  |  |  |  |  |  |
Repurchased Common Shares for treasury (in treasury shares) |  |  | 75 |  |  |  |  |  |
Common Share repurchase program |  |  |  | 10,000 | (14,995) |  |  | (4,995) |
Common Share repurchase program (in shares) |  | (607) |  |  |  |  |  |  |
Common Share repurchase program (in treasury shares) |  |  | 607 |  |  |  |  |  |
Share-based compensation |  |  |  | (5,101) |  |  |  | (5,101) |
Balance at Mar. 31, 2020 |  |  |  | 230,506 | (60,999) | 210,032 | (112,246) | 267,293 |
Common Stock, Share, Ending Balance (in shares) at Mar. 31, 2020 |  | 26,993 |  |  |  |  |  |  |
Treasury Stock, Shares, Ending Balance at Mar. 31, 2020 |  |  | 1,973 |  |  |  |  |  |
Balance at Dec. 31, 2019 |  |  |  | 225,607 | (50,773) | 206,542 | (91,472) | $ 289,904 |
Common Stock, Share, Beginning Balance (in shares) at Dec. 31, 2019 |  | 27,408 |  |  |  |  |  | 27,408 |
Treasury Stock, Shares, Beginning Balance at Dec. 31, 2019 |  |  | 1,558 |  |  |  |  | 1,558 |
Net income (loss) |  |  |  |  |  |  |  | $ (11,530) |
Unrealized gain (loss) on derivatives, net | [1] |  |  |  |  |  |  | (1,423) |
Balance at Sep. 30, 2020 |  |  |  | 232,060 | (60,482) | 195,012 | (102,218) | $ 264,372 |
Common Stock, Share, Ending Balance (in shares) at Sep. 30, 2020 |  | 27,006 |  |  |  |  |  | 27,006 |
Treasury Stock, Shares, Ending Balance at Sep. 30, 2020 |  |  | 1,960 |  |  |  |  | 1,960 |
Balance at Mar. 31, 2020 |  |  |  | 230,506 | (60,999) | 210,032 | (112,246) | $ 267,293 |
Common Stock, Share, Beginning Balance (in shares) at Mar. 31, 2020 |  | 26,993 |  |  |  |  |  |  |
Treasury Stock, Shares, Beginning Balance at Mar. 31, 2020 |  |  | 1,973 |  |  |  |  |  |
Net income (loss) |  |  |  |  |  | (21,734) |  | (21,734) |
Unrealized gain (loss) on derivatives, net |  |  |  |  |  |  | 1,210 | 1,210 |
Currency translation adjustments |  |  |  |  |  |  | 1,821 | 1,821 |
Issuance of Common Shares ( in shares) |  | 12 |  |  |  |  |  |  |
Issuance of Common Shares ( in treasury shares) |  |  | (12) |  |  |  |  |  |
Repurchased Common Shares for treasury, net |  |  |  |  | 360 |  |  | 360 |
Repurchased Common Shares for treasury (in shares) |  | (4) |  |  |  |  |  |  |
Repurchased Common Shares for treasury (in treasury shares) |  |  | 4 |  |  |  |  |  |
Share-based compensation |  |  |  | 312 |  |  |  | 312 |
Balance at Jun. 30, 2020 |  |  |  | 230,818 | (60,639) | 188,298 | (109,215) | 249,262 |
Common Stock, Share, Ending Balance (in shares) at Jun. 30, 2020 |  | 27,001 |  |  |  |  |  |  |
Treasury Stock, Shares, Ending Balance at Jun. 30, 2020 |  |  | 1,965 |  |  |  |  |  |
Net income (loss) |  |  |  |  |  | 6,714 |  | 6,714 |
Unrealized gain (loss) on derivatives, net |  |  |  |  |  |  | 1,022 | 1,022 | [1]
Currency translation adjustments |  |  |  |  |  |  | 5,975 | 5,975 |
Issuance of Common Shares ( in shares) |  | 6 |  |  |  |  |  |  |
Issuance of Common Shares ( in treasury shares) |  |  | (6) |  |  |  |  |  |
Repurchased Common Shares for treasury, net |  |  |  |  | 157 |  |  | 157 |
Repurchased Common Shares for treasury (in shares) |  | (1) |  |  |  |  |  |  |
Repurchased Common Shares for treasury (in treasury shares) |  |  | 1 |  |  |  |  |  |
Share-based compensation |  |  |  | 1,242 |  |  |  | 1,242 |
Balance at Sep. 30, 2020 |  |  |  | $ 232,060 | $ (60,482) | $ 195,012 | $ (102,218) | $ 264,372 |
Common Stock, Share, Ending Balance (in shares) at Sep. 30, 2020 |  | 27,006 |  |  |  |  |  | 27,006 |
Treasury Stock, Shares, Ending Balance at Sep. 30, 2020 |  |  | 1,960 |  |  |  |  | 1,960 |
[1] | Net of tax expense (benefit) of $272 and $(34) for the three months ended September 30, 2020 and 2019, respectively. Net of tax benefit of $(378) and $(53) for the nine months ended September 30, 2020 and 2019, respectively.

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