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EQUITY (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 14, 2023 | Jun. 07, 2023 | Jun. 06, 2023
Stock-based compensation |  |  |  |  |  |
Number of shares reserved to be granted under the plan |  |  |  |  |  | 1,432,070
Number of shares available for grant | 1,411,190 |  |  |  |  |
Treasury Stock |  |  |  |  |  |
Shares Repurchased | 460,279 | 57,115 | 139,784 |  |  |
Purchases of common stock | $ 14,999 | $ 942 | $ 10,546 |  |  |
Shares repurchased to satisfy tax withholdings and exercise obligations | 36,951 | 33,401 | 33,271 |  |  |
Aggregate cost to satisfy tax withholdings and exercise obligations | $ 1,473 | $ 1,169 | $ 1,713 |  |  |
Average Repurchase Price (in dollars per share) | $ 39.86 | $ 35.01 | $ 51.49 |  |  |
Stock-based compensation, additional disclosures |  |  |  |  |  |
Cash proceeds received upon exercise of options |  |  | $ 383 |  |  |
2016 Repurchase Plan |  |  |  |  |  |
Treasury Stock |  |  |  |  |  |
Shares Repurchased | 423,328 | 23,714 | 244,798 |  |  |
Purchases of common stock | $ 14,999 | $ 942 | $ 10,546 |  |  |
Average Repurchase Price (in dollars per share) | $ 35.43 | $ 39.70 | $ 43.08 |  |  |
2023 Repurchase plan |  |  |  |  |  |
Treasury Stock |  |  |  |  |  |
Authorized amount |  |  |  | $ 25,000 |  |
Value of shares available for repurchase | $ 25,000 |  |  |  |  |
Employee Stock Option |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |
Expiration term | 10 years |  |  |  |  |
Vesting period | 4 years |  |  |  |  |
Number of Options |  |  |  |  |  |
Outstanding at the beginning of the period |  | 5,000 |  |  |  |
Granted | 0 |  |  |  |  |
Expired |  | (5,000) |  |  |  |
Outstanding at the end of the period |  |  | 5,000 |  |  |
Weighted Avg. Exercise Price |  |  |  |  |  |
Outstanding at the beginning of the period (in dollars per share) |  | $ 71.43 |  |  |  |
Outstanding at the end of the period (in dollars per share) |  |  | $ 71.43 |  |  |
Weighted Average Remaining Contractual Term |  |  |  |  |  |
Outstanding | 0 years |  |  |  |  |
Vested and expected to vest |  | 0 years |  |  |  |
Exercisable |  | 0 years |  |  |  |
Restricted Stock |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |
Vesting period | 4 years |  |  |  |  |
Unamortized stock based compensation |  |  |  |  |  |
Unamortized stock based compensation | $ 7,900 |  |  |  |  |
Weighted-average period for recognition of unamortized stock-based compensation cost | 2 years 4 months 24 days |  |  |  |  |
Stock compensation expense |  |  |  |  |  |
Stock compensation expense | $ 5,400 | $ 6,800 | $ 5,400 |  |  |
Shares |  |  |  |  |  |
Unvested at the beginning of the period (in shares) | 260,497 | 228,068 |  |  |  |
Granted (in shares) | 151,560 | 152,430 |  |  |  |
Forfeited (in shares) | (9,354) | (12,486) |  |  |  |
Vested and issued (in shares) | (118,419) | (107,515) |  |  |  |
Unvested at the end of the period (in shares) | 284,284 | 260,497 | 228,068 |  |  |
Weighted Avg. Fair Value |  |  |  |  |  |
Unvested at the beginning of the period (in dollars per share) | $ 43.86 | $ 51.05 |  |  |  |
Granted (in dollars per share) | 38.08 | 38.59 |  |  |  |
Forfeited (in dollars per share) | 41.95 | 46.52 |  |  |  |
Vested and issued (in dollars per share) | 44.99 | 51.33 |  |  |  |
Unvested at the end of the period (in dollars per share) | $ 40.37 | $ 43.86 | $ 51.05 |  |  |
Restricted Stock | Management |  |  |  |  |  |
Stock compensation expense |  |  |  |  |  |
Stock compensation expense | $ 700 | $ 600 | $ 400 |  |  |
Performance Stock |  |  |  |  |  |
Unamortized stock based compensation |  |  |  |  |  |
Unamortized stock based compensation | $ 3,200 |  |  |  |  |
Weighted-average period for recognition of unamortized stock-based compensation cost | 1 year 9 months 18 days |  |  |  |  |
Stock compensation expense |  |  |  |  |  |
Stock compensation expense | $ 2,500 | $ 1,500 | $ 700 |  |  |
Shares |  |  |  |  |  |
Unvested at the beginning of the period (in shares) | 99,450 | 43,000 |  |  |  |
Granted (in shares) | 59,100 | 56,450 |  |  |  |
Unvested at the end of the period (in shares) | 158,550 | 99,450 | 43,000 |  |  |
Weighted Avg. Fair Value |  |  |  |  |  |
Unvested at the beginning of the period (in dollars per share) | $ 52.54 | $ 59.77 |  |  |  |
Granted (in dollars per share) | 45.10 | 47.03 |  |  |  |
Unvested at the end of the period (in dollars per share) | $ 49.77 | $ 52.54 | $ 59.77 |  |  |
2008 Plan |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |
Number of shares reserved to be granted under the plan |  |  |  |  | 0 |

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