STOCK-BASED COMPENSATION (Details 5)	12 Months Ended
	Dec. 31, 2020 $ / shares shares
To Settle in Cash
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares outstanding at beginning of period, performance shares (in shares) | shares	317,710
Granted, performance shares (in shares) | shares	238,050
Paid/Issued, performance shares (in shares) | shares	(69,639)
Performance shares converted to cash | shares	22,952
Canceled, performance shares (in shares) | shares	(115,868)
Shares outstanding at end of period, performance shares (in shares) | shares	393,205
Total vested at end of period, performance shares (in shares) | shares	216,955
Weighted average fair value, outstanding at beginning of period, performance shares (in dollars per share) | $ / shares	$ 17.18
Weighted average fair value, granted, performance shares (in dollars per share) | $ / shares	17.33
Weighted average fair value, paid/issued, performance shares (in dollars per share) | $ / shares	17.18
Weighted average fair value, converted from shares to cash, performance shares (in dollars per shares) | $ / shares	25.10
Weighted average fair value, canceled, performance shares (in dollars per share) | $ / shares	21.29
Weighted average fair value, outstanding at end of period, performance shares (in dollars per share) | $ / shares	24.84
Weighted average fair value, total vested at end of period, performance shares (in dollars per share) | $ / shares	$ 24.84
Unvested Performance Shares [Rollforward]
Unvested, beginning of period (in shares) | shares	125,567
Granted (in shares) | shares	238,050
Vested (in shares) | shares	(120,982)
Canceled (in shares) | shares	(66,385)
Unvested, end of period (in shares) | shares	176,250
Weighted average fair value per share, beginning of period (in dollars per share) | $ / shares	$ 17.18
Weighted average fair value per share, granted (in dollars per share) | $ / shares	17.33
Weighted average fair value per share, vested (in dollars per share) | $ / shares	24.84
Weighted average fair value per share, canceled (in dollars per share) | $ / shares	19.61
Weighted average fair value per share, end of period (in dollars per share) | $ / shares	$ 24.84
To Settle in Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares outstanding at beginning of period, performance shares (in shares) | shares	304,075
Granted, performance shares (in shares) | shares	238,050
Paid/Issued, performance shares (in shares) | shares	(64,970)
Performance shares converted to cash | shares	(22,952)
Canceled, performance shares (in shares) | shares	(108,773)
Shares outstanding at end of period, performance shares (in shares) | shares	345,430
Total vested at end of period, performance shares (in shares) | shares	168,230
Weighted average fair value, outstanding at beginning of period, performance shares (in dollars per share) | $ / shares	$ 28.91
Weighted average fair value, granted, performance shares (in dollars per share) | $ / shares	17.33
Weighted average fair value, paid/issued, performance shares (in dollars per share) | $ / shares	29.75
Weighted average fair value, converted from shares to cash, performance shares (in dollars per shares) | $ / shares	25.10
Weighted average fair value, canceled, performance shares (in dollars per share) | $ / shares	27.83
Weighted average fair value, outstanding at end of period, performance shares (in dollars per share) | $ / shares	21.37
Weighted average fair value, total vested at end of period, performance shares (in dollars per share) | $ / shares	$ 23.41