Real Estate (Schedule of Future Minimum Lease Payments) (Details) $ in Thousands	Mar. 31, 2020 USD ($)
Schedule of Future Minimum Lease Payments [Abstract]
Operating Leases, Future Minimum Payments Due, Next Twelve Months	$ 277,788
Operating Leases, Future Minimum Payments, Due in Two Years	277,910
Operating Leases, Future Minimum Payments, Due in Three Years	283,430
Operating Leases, Future Minimum Payments, Due in Four Years	275,699
Operating Leases, Future Minimum Payments, Due in Five Years	268,238
Operating Leases, Future Minimum Payments, Due Thereafter	1,542,215
Operating Leases, Future Minimum Payments Due	$ 2,925,280