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EARNINGS PER COMMON SHARE - Effects of Share Based Compensation (Details) - shares | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2010
Earnings Per Common Share |  |  |  |  |
Total |  | 13,000 | 103,000 | 114,000 |
Options outstanding |  | 0 | 0 | 0 |
RSUs |  |  |  |  |
Earnings Per Common Share |  |  |  |  |
Number of shares awarded |  | 76,250 | 76,250 |  |
Number of shares vested |  |  | 113,584 |  |
2016 Incentive Plan |  |  |  |  |
Earnings Per Common Share |  |  |  |  |
Number of shares included in diluted weighted average number of shares pursuant to return on capital performance metric |  | 68,021 | 33,353 |  |
Number of shares in diluted weighted average number of shares pursuant to stockholder return metric |  | 4,462 | 38,125 |  |
Total |  | 72,483 | 71,478 |  |
2016 Incentive Plan | September 26, 2017 |  |  |  |  |
Earnings Per Common Share |  |  |  |  |
Number of underlying shares |  | 76,250 | 76,250 |  |
Number of shares included in diluted weighted average number of shares pursuant to return on capital performance metric |  | 34,633 | 33,353 |  |
Number of shares in diluted weighted average number of shares pursuant to stockholder return metric |  | 4,462 | 38,125 |  |
Total |  | 39,095 | 71,478 |  |
Common Shares not included attributable to share-based payment arrangements due to applicable metrics |  | 37,155 | 4,772 |  |
2016 Incentive Plan | July 1, 2018 |  |  |  |  |
Earnings Per Common Share |  |  |  |  |
Number of underlying shares |  | 76,250 | 76,250 |  |
Number of shares included in diluted weighted average number of shares pursuant to return on capital performance metric |  | 33,388 |  |  |
Total |  | 33,388 |  |  |
Common Shares not included attributable to share-based payment arrangements due to applicable metrics |  | 42,862 |  |  |
2016 Incentive Plan | RSUs |  |  |  |  |
Earnings Per Common Share |  |  |  |  |
Number of shares issued |  | 152,500 |  |  |
2009 Incentive Plan | RSUs |  |  |  |  |
Earnings Per Common Share |  |  |  |  |
Number of shares awarded |  |  |  |  | 200,000
Number of shares vested | 113,584 |  | 113,584 |  |

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- Definition Represents the incremental shares to incremental common shares attributable to share based payment arrangement due to return on capital metric + References No definition available. + Details
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- Definition Represents the underlying number of shares from which is derived the additional shares to be included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method. + References No definition available. + Details
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- Definition Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 28A -URI http://asc.fasb.org/extlink&oid=109260490&loc=d3e1500-109256 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target 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)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=109197908&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://fasb.org/us-gaap/role/ref/legacyRef -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=109197908&loc=d3e5070-113901 + Details
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- Definition Number of share instruments newly issued under a share-based compensation 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 -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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