XML 103 R92.htm IDEA: XBRL DOCUMENT v3.21.1
Financial Information for the Company and Its Subsidiaries - Summarized Statements of Income (Loss) (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Condensed Financial Statements, Captions [Line Items]          
Revenue $ 551,199       $ 509,217
Income before income taxes 29,324       24,784
Net income 10,479       34,067
Net income (loss) attributable to Acadia Healthcare Company, Inc. 9,717 $ (783,672) $ 36,998 $ 41,079 $ 33,463
Parent [Member]          
Condensed Financial Statements, Captions [Line Items]          
Revenue 509,173        
Income before income taxes 24,287        
Net income 19,210        
Net income (loss) attributable to Acadia Healthcare Company, Inc. $ 19,210