Debt (Schedule of Debt) (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Revolving credit facility - unsecured	$ 244,500	$ 245,000
Unamortized loan costs	(7,379)	(8,912)
Debt	1,136,035	1,135,051
Debt instrument, unamortized discount	(2,117)
Bank term loans - unsecured
Debt Instrument [Line Items]
Bank term loans - unsecured	200,000	200,000
2031 Senior Notes
Debt Instrument [Line Items]
Bank term loans - unsecured	397,883	397,722
Debt instrument, unamortized discount	(2,117)	(2,278)
Private placement notes - unsecured
Debt Instrument [Line Items]
Bank term loans - unsecured	225,000	225,000
Fannie Mae term loans - secured, non-recourse
Debt Instrument [Line Items]
Fannie Mae term loans - secured, non-recourse	$ 76,031	$ 76,241

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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