XML 48 R37.htm IDEA: XBRL DOCUMENT v3.20.2
GOODWILL (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Goodwill [Roll Forward]          
Beginning balance     $ 317,676 $ 293,525 $ 293,525
Goodwill acquired     19,824   31,330
Goodwill related to partnership interest sold     0   (7,325)
Goodwill write-off related to closed clinics $ 0 $ 0 (1,859) $ 0 0
Goodwill adjustments for purchase price allocation of businesses acquired in prior year     1,305   146
Ending balance $ 336,946   $ 336,946   $ 317,676