Annual report pursuant to Section 13 and 15(d)

ACQUISITIONS - Acquisition of Brewer Dental Lab (Details)

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ACQUISITIONS - Acquisition of Brewer Dental Lab (Details) - USD ($)
$ in Thousands
 1 Months Ended 3 Months Ended 12 Months Ended
Oct. 14, 2021
Jul. 31, 2020
Dec. 31, 2021
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Business Combination, Consideration Transferred [Abstract]            
Vesting period   1 year        
Intangible assets, Gross Carrying Amount     $ 280,751 $ 280,751 $ 11,320  
Liabilities assumed:            
Goodwill     639,301 $ 639,301 $ 2,252 $ 2,252
Restricted Stock Units            
Business Combination, Consideration Transferred [Abstract]            
Issuance of additional shares (in shares)       19,046,000    
Vesting period       4 years    
Trade name            
Business Combination, Consideration Transferred [Abstract]            
Intangible assets, Gross Carrying Amount     12,475 $ 12,475    
Customer relationships            
Business Combination, Consideration Transferred [Abstract]            
Intangible assets, Gross Carrying Amount     69,127 $ 69,127    
Larry Brewer Dental Lab, Inc            
Business Combination, Consideration Transferred [Abstract]            
Purchase consideration $ 7,613          
Payment to acquire business 7,613          
Payments to acquire business, paid at closing 7,000          
Remaining amount payable 500          
Intangible assets, Gross Carrying Amount 2,630          
Net revenues included in consolidated result     1,400      
Net income (loss) included in consolidated result     $ 100      
Assets acquired:            
Cash and cash equivalents 1,574          
Accounts receivable 524          
Inventory 226          
Property and equipment 375          
Intangible assets 2,630          
Other noncurrent assets 706          
Total assets acquired 6,035          
Liabilities assumed:            
Accounts payable 34          
Current portion of lease liability 87          
Accrued expenses and other current liabilities 145          
Lease liability, net of current portion 619          
Total liabilities assumed 885          
Net assets acquired 5,150          
Goodwill 2,463          
Total net assets acquired $ 7,613          
Larry Brewer Dental Lab, Inc | Restricted Stock Units            
Business Combination, Consideration Transferred [Abstract]            
Issuance of additional shares (in shares) 252,096          
Grant date fair value of stock issued for acquisition $ 1,800          
Vesting period 4 years          
Larry Brewer Dental Lab, Inc | Trade name            
Business Combination, Consideration Transferred [Abstract]            
Intangible assets, Gross Carrying Amount $ 230          
Estimated Life 8 years          
Larry Brewer Dental Lab, Inc | Customer relationships            
Business Combination, Consideration Transferred [Abstract]            
Intangible assets, Gross Carrying Amount $ 2,400          
Estimated Life 8 years