Quarterly report pursuant to Section 13 or 15(d)

Goodwill & Intangible Assets - Summary of Carrying Amount and Accumulated Amortization of Identifiable Intangible Assets (Details)

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Goodwill & Intangible Assets - Summary of Carrying Amount and Accumulated Amortization of Identifiable Intangible Assets (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Goodwill [Line Items]    
Trade names $ 2,000 $ 2,000
Accumulated Amortization (41,874) (38,610)
Total 9,928  
Total nonamortizable and amortizable intangible assets 53,802 49,787
Net 11,928 11,177
Trade names    
Goodwill [Line Items]    
Amortizable intangible assets: 23 23
Accumulated Amortization (23) (23)
Total 0 0
Physician and customer relationships    
Goodwill [Line Items]    
Amortizable intangible assets: 38,834 36,534
Accumulated Amortization (30,769) (28,924)
Total 8,065 7,610
Non-competition agreements    
Goodwill [Line Items]    
Amortizable intangible assets: 472 0
Accumulated Amortization (43) 0
Total 429 0
Unpatented technology    
Goodwill [Line Items]    
Amortizable intangible assets: 943 0
Accumulated Amortization (90) 0
Total 853 0
Software    
Goodwill [Line Items]    
Amortizable intangible assets: 11,530 11,230
Accumulated Amortization (10,949) (9,663)
Total $ 581 $ 1,567