Real Estate and Real Estate-Related Intangibles (Future Minimum Ground Net Lease Payments) (Details)
$ in Thousands
Dec. 31, 2019
USD ($)
Future Minimum Ground Net Lease Payments to be Collected  
2020 $ 36,057
2021 36,424
2022 36,801
2023 37,203
2024 37,368
Thereafter 5,642,649
Inflation- Linked  
Future Minimum Ground Net Lease Payments to be Collected  
2020 5,357
2021 5,357
2022 5,357
2023 5,357
2024 5,357
Thereafter 418,055
Fixed Bumps with Inflation Adjustments  
Future Minimum Ground Net Lease Payments to be Collected  
2020 17,708
2021 18,037
2022 18,384
2023 18,833
2024 19,193
Thereafter 4,765,352
Fixed Bumps  
Future Minimum Ground Net Lease Payments to be Collected  
2020 2,117
2021 2,155
2022 2,185
2023 2,213
2024 2,248
Thereafter 440,167
Percentage Rent  
Future Minimum Ground Net Lease Payments to be Collected  
2020 10,519
2021 10,519
2022 10,519
2023 10,519
2024 10,519
Thereafter 18,896
Fixed Bumps with Percentage Rent  
Future Minimum Ground Net Lease Payments to be Collected  
2020 356
2021 356
2022 356
2023 281
2024 51
Thereafter $ 179