Debt and Derivative Instruments (Narrative) (Details) $ in Thousands				3 Months Ended		6 Months Ended
	May 17, 2022 USD ($)	Feb. 03, 2022 USD ($)	Feb. 02, 2022 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) Property	Jun. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)
Debt Instrument [Line Items]
Indebtedness includes effects of interest rate swap, weighted average interest rate				4.76%		4.76%
Debt principal balance				$ 851,184		$ 851,184		$ 856,693
Estimated fair value of debt				841,914		841,914		847,652
Outstanding line of credit				713,000		713,000		$ 677,000
Interest expense				10,806	$ 7,106	21,215	$ 12,673
Amount expected to be reclassified from accumulated other comprehensive income (loss) into income in the next twelve months						$ 16,699
Mortgages Payable [Member]
Debt Instrument [Line Items]
Debt, covenant compliance						the Company was current on all of its debt service payments and in compliance with all financial covenants
Weighted Average Years to Maturity						2 years 6 months
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Outstanding line of credit				138,000		$ 138,000
Credit facility, interest rate						7.17%
Credit facility, maturity date		Feb. 03, 2026
Line of credit facility, expiration date, extension period		1 year
Credit facility available for borrowing				62,000		$ 62,000
Revolving Credit Facility [Member] | Lenders [Member]
Debt Instrument [Line Items]
Aggregate amount of commitments		$ 200,000
Term Loan [Member]
Debt Instrument [Line Items]
Incremental amount borrowed under the term loan	$ 300,000
Outstanding line of credit				575,000		$ 575,000
Credit facility, interest rate						4.38%
Credit facility, maturity date		Feb. 03, 2027
Credit Facility [Member]
Debt Instrument [Line Items]
Debt principal balance				713,000		$ 713,000
Number of properties pledged as collateral | Property						47
Debt, covenant compliance						the Company was in compliance with all financial covenants related to the Credit Facility as amended.
Minimum [Member] | Revolving Credit Facility [Member] | Lenders [Member]
Debt Instrument [Line Items]
Aggregate amount of commitments		$ 350,000
Number of properties pledged as collateral | Property						15
Unencumbered pool value						$ 300,000
Maximum [Member] | Revolving Credit Facility [Member] | Lenders [Member]
Debt Instrument [Line Items]
Aggregate amount of commitments		475,000
Periodic aggregate commitment for credit facility		1,200,000
Maximum [Member] | Term Loan [Member]
Debt Instrument [Line Items]
Credit facility available for borrowing				$ 62,000		$ 62,000
Maximum [Member] | Term Loan [Member] | Lenders [Member]
Debt Instrument [Line Items]
Aggregate amount of term loan commitments		$ 275,000	$ 150,000