| Sep 30, 2016 | Sep 30, 2017 | Sep 30, 2018 | Sep 30, 2019 | Sep 30, 2020 | Sep 30, 2021 | Sep 30, 2022 | Sep 30, 2023 | Sep 30, 2024 |
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| Net income (loss) | 122 | 109 | 217 | 169 | 66 | 81 | 77 | 128 | 53 |
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| Depreciation and amortization | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 5 |
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| Straight line rent, net | - | -0 | -0 | -0 | -0 | -0 | 0 | 0 | 0 |
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| Amortization Of Other Assets | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
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| Provision for credit losses | - | - | - | - | - | - | - | - | 1 |
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| Deferred Income Tax Expense (Benefit) | 1 | 0 | 20 | -0 | 2 | 5 | 2 | -1 | 3 |
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| Change in fair value of Earnout liability | - | -1 | -0 | - | - | - | - | - | -3 |
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| Noncash Expense Paid in Common Stock | 1 | 2 | 4 | 5 | 4 | 4 | 4 | 4 | 4 |
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| SEVN | - | - | - | - | - | - | 1 | 2 | 2 |
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| Distributions from equity method investments | - | 0 | 0 | 1 | 1 | 1 | 1 | 2 | 2 |
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| Gain on equity method investments | - | -0 | -1 | 1 | 2 | 0 | - | - | 7 |
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| Due from related parties | 6 | 0 | 4 | 65 | -10 | 4 | 19 | 7 | 14 |
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| Prepaid and other current assets | 1 | 2 | 3 | 2 | -2 | 2 | -1 | 2 | 1 |
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| Reimbursable accounts payable and accrued expenses | -27 | - | - | - | - | - | - | - | 13 |
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| Accounts payable and accrued expenses | -2 | 6 | 3 | 70 | -4 | -2 | 2 | 2 | -2 |
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| Net cash provided by operating activities | - | - | 228 | 198 | 77 | 72 | 101 | 109 | 61 |
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| Acquisition of MPC Partnership Holdings LLC, net of cash acquired | - | - | - | - | - | - | - | - | 79 |
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| Rental property acquisition | - | - | - | - | - | - | - | - | 71 |
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| Origination of loans held for investment | - | - | - | - | - | - | - | - | 57 |
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| Purchase of property and equipment | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 4 | 4 |
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| Proceeds from Loan Originations | - | - | - | - | - | - | - | - | 1 |
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| Equity method investment | - | - | - | - | - | - | - | - | 0 |
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| Proceeds from Sale of Equity Method Investments | - | - | - | - | - | - | - | 53 | - |
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| Net cash (used in) provided by investing activities | - | - | -1 | -15 | -6 | -1 | -11 | 49 | -210 |
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| Proceeds from Issuance of Secured Debt | - | - | - | - | - | - | - | - | 42 |
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| Proceeds from Notes Payable | - | - | - | - | - | - | - | - | 47 |
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| Payment of deferred financing fees | - | - | - | - | - | - | - | - | 2 |
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| Distributions to noncontrolling interests | 47 | 51 | 59 | 56 | 33 | 138 | 33 | 50 | 32 |
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| Distributions to common shareholders | 17 | 16 | 16 | 23 | 25 | 140 | 26 | 27 | 28 |
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| Repurchase of common shares | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
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| Payments under the tax receivable agreement | - | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 |
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| Net cash provided by (used in) financing activities | - | - | -80 | -82 | -60 | -280 | -61 | -80 | 22 |
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| (Decrease) increase in cash and cash equivalents | - | - | - | - | 11 | -210 | 29 | 79 | -126 |
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| Income taxes paid | 26 | 28 | 38 | 30 | 10 | 10 | 10 | 21 | 9 |
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| Interest paid | - | - | - | - | - | - | - | - | 0 |
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| Recognition of right of use assets and related lease liabilities | - | - | - | - | 41 | 2 | 1 | 5 | 4 |
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| Property, Plant And Equipment, Write Off | - | - | - | - | - | - | - | - | 1 |
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| Notes Assumed | - | - | - | - | - | - | - | - | 5 |
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| Property and equipment accrued, not paid | - | - | - | - | - | - | - | - | 0 |
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