Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition (Narrative) (Details)

Revenue Recognition (Narrative) (Details)
9 Months Ended
Sep. 30, 2021
Revenue from Contract with Customer [Abstract]  
Expiration periods for non-cash incentives (or less) 18 months
Term of management services agreements (or less) 1 year
Fees For Property Management Services, Budgeted Operating Expenses, Percentage 10.00%
Managed property owner's associations that paid travel and membership exchange fees 1