Real Estate (Rental Income) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Lease Income [Abstract]
Rental income from operating leases	$ 213,447,000	$ 200,287,000	$ 634,088,000	$ 596,099,000
Earned income from direct financing leases	116,000	140,000	353,000	427,000
Percentage rent	200,000	336,000	1,347,000	1,390,000
Rental revenues	213,763,000	200,763,000	635,788,000	597,916,000
Real estate expenses reimbursed from tenants	4,392,000	4,093,000	13,332,000	12,996,000
Rental income	218,155,000	204,856,000	649,120,000	610,912,000
Rental income accrued during period	$ 123,000	$ 493,000	$ 8,000	$ 1,496,000