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Lease Intangibles - Scheduled Amortization of Acquired Lease Intangible Assets and Assumed Liabilities (Details) - USD ($) $ in Thousands | Sep. 30, 2019 | Dec. 31, 2018
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Acquired Lease Intangibles [Abstract] |  |
Net Increase In Lease Revenues, Total | $ 89,298 | $ 94,467
Amortizable Intangible Assets, Net Carrying Amount | (121,171) | (115,939)
In-place lease intangible assets |  |
Acquired Lease Intangibles [Abstract] |  |
2019 (Remainder), Net Increase In Lease Revenues | 2,233 |
2020, Net Increase In Lease Revenues | 8,120 |
2021, Net Increase In Lease Revenues | 7,672 |
2022, Net Increase In Lease Revenues | 7,312 |
2023, Net Increase In Lease Revenues | 7,386 |
Thereafter, Net Increase In Lease Revenues | 52,388 |
Net Increase In Lease Revenues, Total | 85,111 |
2019 (Remainder), Increase to Amortization | (8,454) |
2020, Increase to Amortization | (27,446) |
2021, Increase to Amortization | (20,486) |
2022, Increase to Amortization | (14,970) |
2023, Increase to Amortization | (11,432) |
Thereafter, Increase to Amortization | (34,196) |
Amortizable Intangible Assets, Net Carrying Amount | (116,984) | $ (110,049)
2019 (Remainder), Reduction of Rent Expense | 15 |
2020, Reduction of Rent Expense | 58 |
2021, Reduction of Rent Expense | 58 |
2022, Reduction of Rent Expense | 58 |
2023, Reduction of Rent Expense | 58 |
Thereafter, Reduction of Rent Expense | 287 |
Reduction of Rent Expense, Total | 534 |
2019 (Remainder), Net Income (Expense) | (6,206) |
2020, Net Income (Expense) | (19,268) |
2021, Net Income (Expense) | (12,756) |
2022, Net Income (Expense) | (7,600) |
2023, Net Income (Expense) | (3,988) |
Thereafter, Net Income (Expense) | 18,479 |
Total, Net Income (Expense) | $ (31,339) |

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