XML 36 R21.htm IDEA: XBRL DOCUMENT
v3.20.4

Concentration of Cash | 12 Months Ended
--- | ---
Dec. 31, 2020
Risks And Uncertainties Abstract |
Concentration of Cash | 15. Concentration of Cash The Company owns financial instruments that potentially subject the Company to significant concentrations of credit risk include cash. The Company maintains cash with financial institutions which, at times, may exceed federally insured limits. The Company believes it is not exposed to any significant credit risk on cash.

X
- Definition Concentration of Cash Disclosure [Text Block] + References No definition available. + Details
Name: | adus_ConcentrationOfCashDisclosureTextBlock
Namespace Prefix: | adus_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_RisksAndUncertaintiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration