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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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