Leases (Tables)

12 Months Ended

Dec. 31, 2019

Operating Leased Assets [Line Items]

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

Shopping center space is leased to tenants and certain anchors pursuant to lease agreements. Future rental revenues under operating leases in effect at December 31, 2019 for operating centers, assuming no new or renegotiated leases or option extensions on anchor agreements, is summarized as follows:

2020	$	449,665
2021	407,615
2022	361,062
2023	328,486
2024	301,404
Thereafter	742,806

Lessee, Operating Lease, Disclosure [Table Text Block]

The following is a schedule of future minimum rental payments required under operating leases:

2020	$	14,357
2021	12,586
2022	13,982
2023	14,142
2024	14,144
Thereafter	708,924