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Lease Intangibles - Scheduled Amortization of Acquired Lease Intangible Assets and Assumed Liabilities (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018
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Acquired Lease Intangibles [Abstract] |  |
Net Increase In Lease Revenues, Total | $ 88,839 | $ 94,467
Amortizable Intangible Assets, Net Carrying Amount | (117,074) | (115,939)
In-place lease intangible assets |  |
Acquired Lease Intangibles [Abstract] |  |
2019 (Remainder), Net Increase In Lease Revenues | 2,805 |
2020, Net Increase In Lease Revenues | 8,011 |
2021, Net Increase In Lease Revenues | 7,512 |
2022, Net Increase In Lease Revenues | 7,141 |
2023, Net Increase In Lease Revenues | 7,134 |
Thereafter, Net Increase In Lease Revenues | 51,574 |
Net Increase In Lease Revenues, Total | 84,177 |
2019 (Remainder), Increase to Amortization | (15,140) |
2020, Increase to Amortization | (24,067) |
2021, Increase to Amortization | (17,514) |
2022, Increase to Amortization | (12,551) |
2023, Increase to Amortization | (9,919) |
Thereafter, Increase to Amortization | (33,221) |
Amortizable Intangible Assets, Net Carrying Amount | (112,412) | $ (110,049)
2019 (Remainder), Reduction of Rent Expense | 29 |
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 | 288 |
Reduction of Rent Expense, Total | 549 |
2019 (Remainder), Net Income (Expense) | (12,306) |
2020, Net Income (Expense) | (15,998) |
2021, Net Income (Expense) | (9,944) |
2022, Net Income (Expense) | (5,352) |
2023, Net Income (Expense) | (2,727) |
Thereafter, Net Income (Expense) | 18,641 |
Total, Net Income (Expense) | $ (27,686) |

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