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EMPLOYEE STOCK COMPENSATION - Summary of SARs Activity (Details) - Stock appreciation rights - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2016 | Mar. 31, 2016 | Jun. 30, 2016 | Dec. 31, 2015
Number of Shares |  |  |  |
Outstanding at beginning of period (in shares) | 1,559,459 | 1,561,681 | 1,561,681 |
Granted (in shares) | 0 |  | 0 |
Exercised (in shares) | 0 |  | 0 |
Forfeited (in shares) | (219) |  | (2,441) |
Outstanding at end of period (in shares) | 1,559,240 | 1,559,459 | 1,559,240 | 1,561,681
Exercisable at end of period (in shares) | 1,549,874 |  | 1,549,874 |
Weighted- Average Exercise Price per Share |  |  |  |
Outstanding at beginning of period (in dollars per share) | $ 11.60 | $ 11.60 | $ 11.60 |
Granted (in dollars per share) | 0.00 |  | 0.00 |
Exercised (in dollars per share) | 0.00 |  | 0.00 |
Forfeited (in dollars per share) | 10.09 |  | 10.09 |
Outstanding at end of period (in dollars per share) | 11.60 | $ 11.60 | 11.60 | $ 11.60
Exercisable at end of period (in dollars per share) | $ 11.61 |  | $ 11.61 |
Weighted- Average Remaining Contract Term |  |  |  |
Outstanding | 6 years 4 months 22 days | 6 years 7 months 21 days | 6 years 4 months 22 days | 6 years 7 months 21 days
Forfeited | 6 years 4 months 22 days |  | 6 years 4 months 22 days |
Exercisable at end of period | 6 years 4 months 22 days |  | 6 years 4 months 22 days |
Aggregated Intrinsic Value |  |  |  |
Outstanding | $ 10,132 | $ 9,198 | $ 10,132 | $ 4,716
Granted |  |  |  |
Exercised |  |  |  |
Forfeited |  |  |  |
Exercisable at end of period | $ 10,057 |  | $ 10,057 |
Number of Shares |  |  |  |
Outstanding at beginning of period (in shares) | 10,839 | 25,963 | 25,963 |
Granted (in shares) | 0 |  | 0 |
Vested (in shares) | (1,254) |  | (14,156) |
Forfeited (in shares) | (219) |  | (2,441) |
Outstanding at end of period (in shares) | 9,366 | 10,839 | 9,366 | 25,963
Weighted Average Grant Date Fair Value Per Share |  |  |  |
Outstanding at beginning of period (in dollars per share) | $ 10.09 | $ 10.09 | $ 10.09 |
Granted (in dollars per share) | 0.00 |  | 0.00 |
Vested (in dollars per share) | 10.09 |  | 10.09 |
Forfeited (in dollars per share) | 10.09 |  | 10.09 |
Outstanding at end of period (in dollars per share) | $ 10.09 | $ 10.09 | $ 10.09 | $ 10.09

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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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