EARNINGS PER SHARE (Narrative) (Details) - shares |
3 Months Ended | 6 Months Ended | ||
---|---|---|---|---|
Jun. 30, 2018 |
Jun. 30, 2017 |
Jun. 30, 2018 |
Jun. 30, 2017 |
|
Performance stock awards | ||||
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||
Shares excluded from computation of earning per share (in shares) | 146,159 | 142,503 | 146,159 | 142,503 |
Restricted stock awards | ||||
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||
Shares excluded from computation of earning per share (in shares) | 136,155 | 14,699 | 130,932 | 21,013 |