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STOCKHOLDERS' EQUITY - Narrative (Detail) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Limited Partners' Capital Account [Line Items]        
Unrecognized stock-based compensation, weighted average period     4 years 8 months 12 days  
Fair value of stock awards vested $ 218,000   $ 5,577,000  
Stock Options        
Limited Partners' Capital Account [Line Items]        
Stock-based compensation expense 89,000 $ 11,000 122,000 $ 11,000
Unrecognized stock-based compensation expense, stock options 2,225,000   2,225,000  
Aggregate intrinsic value of options exercised 0   1,467,000  
Restricted Stock Awards, Restricted Stock Units And Performance Stock Units        
Limited Partners' Capital Account [Line Items]        
Stock-based compensation expense 2,225,000 2,576,000 5,204,000 8,505,000
Restricted Stock        
Limited Partners' Capital Account [Line Items]        
Unrecognized stock-based compensation expense 46,000   $ 46,000  
Restricted Stock | Non Employee Director        
Limited Partners' Capital Account [Line Items]        
Award vesting period     3 years  
Restricted Stock Unit        
Limited Partners' Capital Account [Line Items]        
Unrecognized stock-based compensation expense 4,611,000   $ 4,611,000  
Restricted Stock Unit | Non Employee Director        
Limited Partners' Capital Account [Line Items]        
Award service period     3 years  
Performance Stock Unit        
Limited Partners' Capital Account [Line Items]        
Unrecognized stock-based compensation expense 5,592,000   $ 5,592,000  
Weighted average | Restricted Stock        
Limited Partners' Capital Account [Line Items]        
Unrecognized stock-based compensation, weighted average period     1 year 3 months 18 days  
Weighted average | Restricted Stock Unit        
Limited Partners' Capital Account [Line Items]        
Unrecognized stock-based compensation, weighted average period     1 year 9 months 18 days  
Weighted average | Performance Stock Unit        
Limited Partners' Capital Account [Line Items]        
Unrecognized stock-based compensation, weighted average period     1 year 7 months 6 days  
2016 Plan        
Limited Partners' Capital Account [Line Items]        
Expiration period     10 years  
2016 Plan | Minimum        
Limited Partners' Capital Account [Line Items]        
Award vesting period     1 year  
2016 Plan | Maximum        
Limited Partners' Capital Account [Line Items]        
Award vesting period     5 years  
Amended and Restated 1997 Employee Stock Purchase Plan        
Limited Partners' Capital Account [Line Items]        
Stock-based compensation expense $ 97,000 $ 67,000 $ 262,000 $ 196,000
Class A Common Stock | 2016 Plan        
Limited Partners' Capital Account [Line Items]        
Common stock, authorized shares (in shares) 2,250,000   2,250,000  
Number of shares available for future grant (in shares) 793,000   793,000  
Class A Common Stock | 2006 Incentive Plan        
Limited Partners' Capital Account [Line Items]        
Common stock, additional authorized shares (in shares)     2,723,000