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SHARE BASED COMPENSATION - Narrative (Detail) - 2015 Omnibus Incentive Plan - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
May 06, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares authorized (in shares)         1,500,000
Shares available for issuance (in shares) 790,084   790,084    
Expiration period     10 years    
Minimum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Exercise period     7 years    
Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Exercise period     10 years    
Stock Options and Restricted Stock          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Recognized compensation expense $ 1.4 $ 1.0 $ 2.3 $ 1.8  
Restricted shares, Restricted stock units and Performance share units          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Unrecognized compensation expense $ 10.8   $ 10.8    
Expected cost recognition weighted average period     2 years 6 months 3 days    
Shares issued (in shares)     128,557    
Performance Shares | 3 Year Vesting Period          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares issued (in shares)     32,728    
Performance period     3 years    
Time Based Shares | 3 or 5 Year Vesting Period          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares issued (in shares)     95,829    
Time Based Shares | 3 or 5 Year Vesting Period | Minimum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting period     3 years    
Stock Options | Common Stock          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Granted (in shares)     0