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STOCKHOLDERS' EQUITY AND EMPLOYEE STOCK PLANS - Narrative (Details) - USD ($)
1 Months Ended 3 Months Ended 12 Months Ended 14 Months Ended 26 Months Ended
May 07, 2021
May 03, 2021
Oct. 22, 2020
Nov. 04, 2016
Dec. 31, 2022
Dec. 31, 2022
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2021
Dec. 31, 2022
Sep. 21, 2016
Stock ownership and benefit plans [Line Items]                        
Common stock, par value (in dollars per share)         $ 0.05 $ 0.05 $ 0.05 $ 0.05   $ 0.05 $ 0.05  
Gross proceeds               $ 25,647,000 $ 26,132,000      
Commissions paid               $ 385,000 $ 392,000      
Number of shares issued (in shares)               397,820 608,360      
Net proceeds               $ 25,262,000 $ 25,740,000      
Available for grant (in shares)       5,000,000                
Number of shares available for future grant (in shares)         1,979,627 1,979,627 1,979,627       1,979,627 3,360,119
Stock-based compensation             $ 10,058,000 $ 6,574,000 $ 5,675,000      
Arcadia                        
Stock ownership and benefit plans [Line Items]                        
Accelerated compensation cost         $ 859,000              
Stock-based compensation         $ 1,959,000              
Restricted stock and restricted stock units                        
Stock ownership and benefit plans [Line Items]                        
Aggregate number of shares granted (in shares)       1,639,881                
Unvested RSUs                        
Stock ownership and benefit plans [Line Items]                        
Common stock conversion ratio (in shares)             1          
Unvested PSUs | Minimum                        
Stock ownership and benefit plans [Line Items]                        
Eligible shares of common stock earned as a percentage of targeted PSUs awarded             0.00%          
Unvested PSUs | Maximum                        
Stock ownership and benefit plans [Line Items]                        
Eligible shares of common stock earned as a percentage of targeted PSUs awarded             200.00%          
Phantom Share Units Granted In 2022 | Achievement Of Targeted Adjusted EBITDA                        
Stock ownership and benefit plans [Line Items]                        
Vesting percentage             25.00%          
Phantom Share Units Granted In 2021 | Achievement Of Targeted Adjusted EBITDA                        
Stock ownership and benefit plans [Line Items]                        
Vesting percentage             25.00%          
Phantom Share Units Granted In 2021 | Achievement Of Relative TSR Performance                        
Stock ownership and benefit plans [Line Items]                        
Vesting percentage             75.00%          
Phantom Share Units Granted In 2020 | Achievement Of Targeted Adjusted EBITDA                        
Stock ownership and benefit plans [Line Items]                        
Vesting percentage             25.00%          
Phantom Share Units Granted In 2020 | Achievement Of Relative TSR Performance                        
Stock ownership and benefit plans [Line Items]                        
Vesting percentage             75.00%          
Phantom Share Unis Granted Prior to 2020 | Achievement Of Targeted Adjusted EBITDA                        
Stock ownership and benefit plans [Line Items]                        
Vesting percentage                 50.00%      
Phantom Share Unis Granted Prior to 2020 | Achievement Of Relative TSR Performance                        
Stock ownership and benefit plans [Line Items]                        
Vesting percentage                 50.00%      
Employee stock                        
Stock ownership and benefit plans [Line Items]                        
Available for grant (in shares)         850,000 850,000 850,000       850,000  
Number of shares available for future grant (in shares)         181,955 181,955 181,955       181,955  
Offering period             6 months          
Percentage of earnings that may be authorized by employees to withhold to purchase common stock         15.00% 15.00% 15.00%       15.00%  
Shares purchased             12,975 12,120 18,462      
Stock-based compensation             $ 67,000 $ 121,000 $ 133,000      
Employee stock | Maximum                        
Stock ownership and benefit plans [Line Items]                        
Percentage of fair market value of the entity's common stock used to purchase common stock on the Offering Date or Purchase Date             85.00%          
Restricted stock awards and restricted stock units, time-based | First anniversary                        
Stock ownership and benefit plans [Line Items]                        
Vesting percentage             33.33%          
Restricted stock awards and restricted stock units, time-based | Second anniversary                        
Stock ownership and benefit plans [Line Items]                        
Vesting percentage             33.33%          
Restricted stock awards and restricted stock units, time-based | Third anniversary                        
Stock ownership and benefit plans [Line Items]                        
Vesting percentage             33.33%          
Equity Offering                        
Stock ownership and benefit plans [Line Items]                        
Number of shares agreed upon to sell (in shares)   2,500,000                    
Common stock, par value (in dollars per share)   $ 0.05                    
Sale of stock, number of shares issued in transaction (in shares) 2,875,000                      
Sale of stock, price (in dollars per share) $ 45                      
Gross proceeds $ 129,375,000                      
Sale of stock, net consideration received 123,461,000                      
Commissions paid $ 5,914,000                      
Over-Allotment Option                        
Stock ownership and benefit plans [Line Items]                        
Number of shares agreed upon to sell (in shares)   375,000                    
Sale of stock, transaction period   30 days                    
ATM Offering                        
Stock ownership and benefit plans [Line Items]                        
Sale of stock, number of shares issued in transaction (in shares)           0         1,006,180  
Gross proceeds                   $ 51,779,000    
Sale of stock, net consideration received                   $ 51,002,000    
Maximum amount of shares authorized to sell (in shares)     $ 75,000,000                  
Agent fee, percentage     1.50%                  
Weighted average price per share (in dollars per share)               $ 64.47 $ 42.95 $ 51.46