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STOCK-BASED COMPENSATION - Restricted Stock - Additional Information (Detail) - Omnibus Plan [Member] - Restricted Stock [Member] - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted shares of restricted stock			905,307
Stock-based compensation expense	$ 0.8	$ 0.7	$ 2.4	$ 2.2
Unrecognized compensation cost related to unvested shares	$ 3.9		$ 3.9
Period for cost recognition not yet recognized			1 year 7 months 6 days
Independent directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted shares of restricted stock			53,634	51,841
Restricted stock vesting period			1 year	1 year
Management [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted shares of restricted stock			851,673	262,371
Retirement Eligible Shares			47,194	13,308
Management [Member] \| Restricted stock vesting after two-year anniversary of the grant date [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock vesting percentage			50.00%	50.00%
Management [Member] \| Restricted stock vesting after three-year anniversary of the grant date [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock vesting percentage			50.00%	50.00%