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Right-of-Use Assets and Operating Lease Liabilities (Operating Leases - Undiscounted Cash Flows) (Details) $ in Thousands | Dec. 31, 2019 USD ($)
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Ground Leases |
Lessee, Lease, Description [Line Items] |
2020 | $ 564
2021 | 573
2022 | 582
2023 | 582
2024 | 601
Thereafter | 5,544
Total | 8,446
Headquarters Office Lease |
Lessee, Lease, Description [Line Items] |
2020 | 773
2021 | 788
2022 | 804
2023 | 821
2024 | 837
Thereafter | 210
Total | $ 4,233

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