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Investment in Unconsolidated Entities - Schedule of Equity Method Investments (Details) - Wholly-Owned Retail Properties $ in Thousands | Jan. 18, 2023 USD ($) ft² | Dec. 22, 2022 USD ($) ft² | Dec. 16, 2022 USD ($) ft² | Apr. 21, 2022 USD ($) ft² | Mar. 03, 2022 USD ($) ft² | Mar. 31, 2023 ft² | Mar. 31, 2022 ft²
--- | --- | --- | --- | --- | --- | --- | ---
Variable Interest Entity [Line Items] |  |  |  |  |  |  |
Gross leasable area (square feet) | ft² |  |  |  |  |  | 1,124,000 | 527,000
Equity Method Investment, Nonconsolidated Investee or Group of Investees | IAGM Retail Fund LLC | Stables Town Center I |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |
Gross leasable area (square feet) | ft² |  | 191,000 |  |  |  |  |
Price Plaza | Equity Method Investment, Nonconsolidated Investee or Group of Investees | Disposal Group, Disposed of by Sale, Not Discontinued Operations | IAGM Retail Fund LLC |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |
Gross leasable area (square feet) | ft² |  |  |  |  | 206,000 |  |
Gross Disposition Price |  |  |  |  | $ 39,100 |  |
IAGM's Gain (Loss) on Sale |  |  |  |  | 3,751 |  |
The Company's Gain Deferral |  |  |  |  | 0 |  |
Mortgage payable disposed of |  |  |  |  | $ 17,800 |  |
The Highlands of Flower Mound | Equity Method Investment, Nonconsolidated Investee or Group of Investees | Disposal Group, Disposed of by Sale, Not Discontinued Operations | IAGM Retail Fund LLC |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |
Gross leasable area (square feet) | ft² |  |  |  | 175,000 |  |  |
Gross Disposition Price |  |  |  | $ 38,000 |  |  |
IAGM's Gain (Loss) on Sale |  |  |  | 1,244 |  |  |
The Company's Gain Deferral |  |  |  | $ 684 |  |  |
Stone Ridge Market | Equity Method Investment, Nonconsolidated Investee or Group of Investees | Disposal Group, Disposed of by Sale, Not Discontinued Operations | IAGM Retail Fund LLC |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |
Gross leasable area (square feet) | ft² |  |  | 219,000 |  |  |  |
Gross Disposition Price |  |  | $ 58,100 |  |  |  |
IAGM's Gain (Loss) on Sale |  |  | 12,287 |  |  |  |
The Company's Gain Deferral |  |  | $ 6,758 |  |  |  |
Stables Town Center | Equity Method Investment, Nonconsolidated Investee or Group of Investees | Disposal Group, Disposed of by Sale, Not Discontinued Operations | IAGM Retail Fund LLC |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |
Gross leasable area (square feet) | ft² | 148,000 | 43,000 |  |  |  |  |
Gross Disposition Price | $ 37,000 | $ 7,800 |  |  |  |  |
IAGM's Gain (Loss) on Sale | 5,536 | (244) |  |  |  |  |
The Company's Gain Deferral | $ 3,045 | $ 0 |  |  |  |  |
Bay Colony | Equity Method Investment, Nonconsolidated Investee or Group of Investees | Disposal Group, Disposed of by Sale, Not Discontinued Operations | IAGM Retail Fund LLC |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |
Gross leasable area (square feet) | ft² | 416,000 |  |  |  |  |  |
Gross Disposition Price | $ 79,100 |  |  |  |  |  |
IAGM's Gain (Loss) on Sale | 22,327 |  |  |  |  |  |
The Company's Gain Deferral | $ 12,280 |  |  |  |  |  |
Blackhawk Town Center | Equity Method Investment, Nonconsolidated Investee or Group of Investees | Disposal Group, Disposed of by Sale, Not Discontinued Operations | IAGM Retail Fund LLC |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |
Gross leasable area (square feet) | ft² | 127,000 |  |  |  |  |  |
Gross Disposition Price | $ 26,300 |  |  |  |  |  |
IAGM's Gain (Loss) on Sale | 12,632 |  |  |  |  |  |
The Company's Gain Deferral | $ 6,948 |  |  |  |  |  |
Cyfair Town Center | Equity Method Investment, Nonconsolidated Investee or Group of Investees | Disposal Group, Disposed of by Sale, Not Discontinued Operations | IAGM Retail Fund LLC |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |
Gross leasable area (square feet) | ft² | 433,000 |  |  |  |  |  |
Gross Disposition Price | $ 79,200 |  |  |  |  |  |
IAGM's Gain (Loss) on Sale | 4,713 |  |  |  |  |  |
The Company's Gain Deferral | $ 2,592 |  |  |  |  |  |

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