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STOCK BASED COMPENSATION (Details 2) (USD $)
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12 Months Ended |
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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Stock Options
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| Share - based compensation disclosures |
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| Award expiration period |
10 years |
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| Award vesting period |
5 years |
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| Compensation expense |
$ 1,600,000 |
$ 1,400,000 |
$ 1,200,000 |
| Summary of stock option activity |
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| Number of Options, Beginning balance (in shares) |
2,333,300 |
2,086,100 |
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| Weighted Exercise Price per Shares, Beginning balance (in dollars per share) |
$ 10.34 |
$ 10.74 |
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| Options, granted (in shares) |
609,500 |
586,000 |
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| Weighted Exercise Price per Shares, granted (in dollars per share) |
$ 9.24 |
$ 9.12 |
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| Number of Options, exercised (in shares) |
(19,200) |
(12,050) |
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| Weighted Exercise Price per Shares, exercised (in dollars per share) |
$ 8.74 |
$ 8.36 |
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| Number of Options, forfeited (in shares) |
(20,650) |
(179,680) |
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| Weighted Exercise Price per Shares, forfeited (in dollars per share) |
$ 9.42 |
$ 10.22 |
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| Number of Options, expired (in shares) |
(26,100) |
(147,070) |
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| Weighted Exercise Price per Shares, expired (in dollars per share) |
$ 11.03 |
$ 11.39 |
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| Number of Options, Ending balance (in shares) |
2,876,850 |
2,333,300 |
2,086,100 |
| Weighted Exercise Price per Shares, Ending balance (in dollars per share) |
$ 10.12 |
$ 10.34 |
$ 10.74 |
| Options, additional disclosures |
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| Weighted average remaining contractual term of options outstanding |
6 years 7 months 20 days |
7 years |
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| Aggregate intrinsic value of options outstanding |
3,300,000 |
730,000 |
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| Exercisable options (in shares) |
1,552,040 |
1,132,860 |
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| Average weighted exercise price of exercisable options (in dollars per share) |
$ 11.00 |
$ 11.24 |
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| Weighted average remaining contractual term of exercisable options |
5 years 2 months 19 days |
5 years 10 months 28 days |
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| Aggregate intrinsic value of exercisable options |
911,000 |
175,000 |
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| Period for recognizing unrecognized compensation |
3 years 4 months 24 days |
3 years 3 months |
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Stock awards
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| Options, additional disclosures |
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| Unrecognized compensation cost related to options |
3,600,000 |
3,200,000 |
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| Unrecognized compensation cost related non-vested stock awards granted under EIP |
$ 2,500,000 |
$ 3,300,000 |
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| Period for recognizing unrecognized compensation |
3 years 2 months 23 days |
2 years 9 months 11 days |
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