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SHARE BASED PAYMENTS - Schedule of Stock Option Activity (Details) - $ / shares shares in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Shares |  |  |
Beginning balance (in shares) | 1,803 | 1,925 |
Granted (in shares) | 0 | 892 |
Exercised (in shares) | (822) | (984) |
Forfeited or expired, Shares | (75) | (30) |
Ending balance (in shares) | 906 | 1,803 | 1,925
Weighted Average Exercise Price |  |  |
Weighted average exercise price, beginning balance (in dollars per share) | $ 3.92 | $ 2.71 |
Weighted average exercise price, Granted (in dollars per share) | 0.00 | 4.75 |
Weighted average exercise price, Exercised (in dollars per share) | 3.20 | 2.59 |
Weighted average exercise price, Forfeited or expired (in dollars per share) | 7.60 | 2.75 |
Weighted average exercise price, ending balance (in dollars per share) | $ 4.38 | $ 3.92 | $ 2.71
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] |  |  |
Weighted-Average Remaining Contractual Term, outstanding (in years) | 2 years 10 months 6 days | 3 years 5 months 19 days | 3 years 7 months 6 days
Weighted - Average Grant Date Fair Value, Outstanding beginning balance (in dollars per share) | $ 2.38 | $ 1.71 |
Weighted - Average Grant Date Fair Value, Granted (in dollars per share) | 0.00 | 2.67 |
Weighted - Average Grant Date Fair Value, Exercised (in dollars per share) | 1.71 | 1.35 |
Weighted - Average Grant Date Fair Value, Forfeited or expired (in dollars per share) | 4.53 | 1.63 |
Weighted - Average Grant Date Fair Value Outstanding ending balance (in dollars per share) | $ 2.45 | $ 2.38 | $ 1.71
Vested and exercisable (in shares) | 836 | 1,058 |
Weighted Average Exercise Price, Vested and exercisable (in dollars per share) | $ 4.36 | $ 3.55 |
Weighted-Average Remaining Contractual Term, Vested and exercisable (in years) | 2 years 9 months 21 days | 3 years 1 month 17 days |
Weighted - Average Grant Date Fair Value, Vested and exercisable (in dollars per share) | $ 2.45 | $ 2.00 |

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- Definition Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Exercises In Period, Weighted Average Grant Date Fair Value + References No definition available. + Details
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- Definition Weighted average grant-date fair value of options forfeited. + References No definition available. + Details
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- Definition Weighted average grant-date fair value of options outstanding. + References No definition available. + Details
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- Definition For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3)-(4) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Weighted average price of options that were either forfeited or expired. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3)-(4) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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