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SHAREHOLDERS' EQUITY - Restricted Stock Awards (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2016	Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation Expense			$ 0.1
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted (in shares)	64,161
2010 Long-term Stock Incentive Plan \| Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation Expense	$ 1.2	$ 2.4	1.6
2010 Long-term Stock Incentive Plan \| Restricted Stock \| 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted (in shares)					50,000
Restricted stock outstanding (in shares)	0
Compensation Expense	$ 0.0	0.0
2010 Long-term Stock Incentive Plan \| Restricted Stock \| 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted (in shares)				100,000
Restricted stock outstanding (in shares)	0
Compensation Expense	$ 0.0	0.0	$ 0.0
2010 Long-term Stock Incentive Plan \| Restricted Stock \| 2019 Non-Performance Award
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted (in shares)			30,251
Restricted stock outstanding (in shares)	18,150
Compensation Expense	$ 0.1	0.2	$ 0.3
2010 Long-term Stock Incentive Plan \| Restricted Stock \| 2019 Performance Award
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted (in shares)			149,412
Restricted stock outstanding (in shares)	24,187
Compensation Expense	$ 0.1	$ 1.2	$ 1.3
2010 Long-term Stock Incentive Plan \| Restricted Stock \| 2020 Non-Performance Award
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted (in shares)		28,272
Restricted stock outstanding (in shares)	21,204
Compensation Expense	$ 0.2	$ 0.4	0.0
2010 Long-term Stock Incentive Plan \| Restricted Stock \| 2020 Performance Award
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted (in shares)		43,330
Restricted stock outstanding (in shares)	10,661
Compensation Expense	$ 0.1	$ 0.6	0.0
2010 Long-term Stock Incentive Plan \| Restricted Stock \| 2021 Non-Performance Award
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted (in shares)	25,371
Restricted stock outstanding (in shares)	25,371
Compensation Expense	$ 0.4	0.0	0.0
2010 Long-term Stock Incentive Plan \| Restricted Stock \| 2021 Performance Award
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted (in shares)	32,874
Restricted stock outstanding (in shares)	19,713
Compensation Expense	$ 0.3	$ 0.0	$ 0.0