Real Estate (Rental Income) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Real Estate [Abstract]
Rental income from operating leases	$ 846,653,000	$ 805,136,000	$ 751,680,000
Earned income from direct financing leases	468,000	560,000	595,000
Percentage rent	1,536,000	1,631,000	1,541,000
Rental revenues	848,657,000	807,327,000	753,816,000
Real estate expense reimbursement from tenants	18,811,000	18,763,000	17,802,000
Rental income	867,468,000	826,090,000	771,618,000
Rental income accrued during period	294,000	$ 7,453,000	$ (3,559,000)
increase of accrued rental income	$ 5,573,000