Mortgage Notes Payable, Credit Facilities and Senior Notes - Carrying Value of Debt (Details) - USD ($)	Jun. 30, 2023	Mar. 02, 2023	Dec. 31, 2022	Nov. 10, 2017	Jul. 26, 2016	Dec. 03, 2014	Dec. 09, 2013
Debt Instrument [Line Items]
Senior Notes	$ 947,673,000		$ 946,849,000
Term Loan Agreement
Debt Instrument [Line Items]
Principal amount	300,000,000	$ 300,000,000	300,000,000
Net unamortized deferred financing costs	(565,000)		(747,000)
Term loan	299,435,000		299,253,000
Senior Notes | Senior Notes Due 2027
Debt Instrument [Line Items]
Principal amount	250,000,000		250,000,000	$ 250,000,000
Net unamortized deferred financing costs	(786,000)		(874,000)
Senior Notes	249,214,000		249,126,000
Senior Notes | Senior Notes Due 2026
Debt Instrument [Line Items]
Principal amount	200,000,000		200,000,000		$ 200,000,000
Net unamortized deferred financing costs	(250,000)		(289,000)
Senior Notes	199,750,000		199,711,000
Senior Notes | Senior Notes Due 2024
Debt Instrument [Line Items]
Principal amount	250,000,000		250,000,000			$ 250,000,000
Unamortized debt discount	(604,000)		(802,000)
Net unamortized deferred financing costs	(322,000)		(432,000)
Senior Notes	249,074,000		248,766,000
Senior Notes | Senior Notes Due 2023
Debt Instrument [Line Items]
Principal amount	250,000,000		250,000,000				$ 250,000,000
Unamortized debt discount	(245,000)		(502,000)
Net unamortized deferred financing costs	(120,000)		(252,000)
Senior Notes	$ 249,635,000		$ 249,246,000