Notes Payable and Unsecured Credit Facilities - Schedule of Debt Net of Unamortized Debt Premium (Discount) and Debt Issuance Costs (Parentheticals) (Details) - Variable Rate Mortgage Loans [Member] - London Interbank Offered Rate (LIBOR) [Member]	Dec. 31, 2021
Minimum [Member]
Debt Instrument [Line Items]
Debt instrument, effective fixed interest rate	2.50%
Maximum [Member]
Debt Instrument [Line Items]
Debt instrument, effective fixed interest rate	4.10%