Annual report pursuant to Section 13 and 15(d)

ACQUISITIONS - Acquisition of May Dental Lab (Details)

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ACQUISITIONS - Acquisition of May Dental Lab (Details) - USD ($)
$ in Thousands
1 Months Ended 2 Months Ended 12 Months Ended
Oct. 29, 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    
May Dental Lab, Inc.            
Business Combination, Consideration Transferred [Abstract]            
Purchase consideration $ 12,500          
Payment to acquire business 12,500          
Payments to acquire business, paid at closing 11,800          
Remaining amount payable 800          
Intangible assets, Gross Carrying Amount 4,340          
Net revenues included in consolidated result     1,300      
Net income (loss) included in consolidated result     $ (100)      
Assets acquired:            
Cash and cash equivalents 230          
Accounts receivable 677          
Inventory 343          
Prepaid expenses and other current assets 98          
Property and equipment 495          
Intangible assets 4,340          
Other noncurrent assets 1,416          
Total assets acquired 7,599          
Liabilities assumed:            
Accounts payable 209          
Current portion of lease liability 201          
Accrued expenses and other current liabilities 255          
Lease liability, net of current portion 1,216          
Total liabilities assumed 1,881          
Net assets acquired 5,718          
Goodwill 6,782          
Total net assets acquired $ 12,500          
May Dental Lab, Inc. | Restricted Stock Units            
Business Combination, Consideration Transferred [Abstract]            
Issuance of additional shares (in shares) 357,642          
Grant date fair value of stock issued for acquisition $ 2,500          
Vesting period 4 years          
May Dental Lab, Inc. | Trade name            
Business Combination, Consideration Transferred [Abstract]            
Intangible assets, Gross Carrying Amount $ 3,900          
Estimated Life 9 years          
May Dental Lab, Inc. | Customer relationships            
Business Combination, Consideration Transferred [Abstract]            
Intangible assets, Gross Carrying Amount $ 440          
Estimated Life 10 years