COMPENSATION PROGRAMS - Other Compensation Programs (Details) - USD ($)	1 Months Ended	12 Months Ended
	Apr. 30, 2015	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Targeted award opportunity on base salary		125.00%
Short-term incentive compensation program accruals		$ 3,400,000
Annual incentive compensation expense		3,400,000	$ 1,200,000	$ 2,800,000
DER, issued (in shares)	90,000
DER, forfeited (in shares)	90,000
Dividend Equivalent Rights Payable		170,000
DER expense for the period		$ 746,000	$ 889,000	$ 811,000
DER, outstanding (in shares)		654,000	654,000	654,000
Long-Term Equity-Based Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common shares available for future issuance (in shares)		4,397,739
Share awards vesting period		3 years