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Debt (Details) |  |  | 1 Months Ended | 3 Months Ended | 6 Months Ended | 13 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
May 11, 2023 USD ($) | Sep. 01, 2022 USD ($) $ / shares | Aug. 31, 2023 USD ($) | Jul. 31, 2023 USD ($) | Mar. 31, 2023 USD ($) | Feb. 28, 2023 USD ($) | Jan. 31, 2023 | Jun. 30, 2023 USD ($) | Mar. 31, 2023 USD ($) | Jun. 30, 2022 USD ($) | Jun. 30, 2023 USD ($) $ / shares shares | Jun. 30, 2022 USD ($) | Aug. 09, 2023 USD ($) $ / shares shares | Jul. 01, 2023 USD ($) | May 01, 2023 USD ($) | Dec. 31, 2022 USD ($) | May 01, 2022 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |  | $ 137,432,000 |  |  | $ 137,432,000 |  |  |  |  | $ 122,765,000 |
Unamortized debt issuance costs |  |  |  |  |  |  |  | 2,000,000 |  |  | 2,000,000 |  |  |  |  | 1,100,000 |
Common Stock, Dividends, Per Share, Declared | $ / shares |  | $ 4.67 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest costs incurred |  |  |  |  |  |  |  | 2,900,000 |  | $ 1,500,000 | 5,300,000 | $ 2,600,000 |  |  |  |  |
Dividends, Common Stock, Cash |  | $ 40,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Repurchase Program, Authorized Amount |  | $ 10,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends Payable |  |  |  |  |  |  |  | 700,000 |  |  | 700,000 |  |  |  |  | 1,300,000 |
Stock Repurchased During Period, Value |  |  |  |  |  |  |  | 695,000 | $ 894,000 |  | $ 1,600,000 |  |  |  |  |  |
Stock Repurchased During Period, Shares | shares |  |  |  |  |  |  |  |  |  |  | 74,306 |  |  |  |  |  |
Treasury Stock Acquired, Average Cost Per Share | $ / shares |  |  |  |  |  |  |  |  |  |  | $ 21.36 |  |  |  |  |  |
Subsequent event |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Repurchased During Period, Value |  |  |  |  |  |  |  |  |  |  |  |  | $ 9,800,000 |  |  |  |
Stock Repurchased During Period, Shares | shares |  |  |  |  |  |  |  |  |  |  |  |  | 381,889 |  |  |  |
Treasury Stock Acquired, Average Cost Per Share | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  | $ 25.65 |  |  |  |
Stock Repurchase Program, Remaining Authorized Repurchase Amount |  |  |  |  |  |  |  |  |  |  |  |  | $ 200,000 |  |  |  |
Comerica Bank revolving credit facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |  | 0 |  |  | $ 0 |  |  |  |  | 0 |
Comerica Bank revolving credit facility | Letter of Credit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Letters of credit committed |  |  |  |  |  |  |  | 11,000,000 |  |  | 11,000,000 |  |  |  |  |  |
Comerica Bank revolving credit facility | Letter of Credit | Revolving Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 13,300,000 |  | $ 11,500,000
Comerica Bank revolving credit facility | Letter of Credit | Revolving Credit Facility | Subsequent event | Lakeway |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
New letter of credit |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,300,000 |  |  |
Municipal improvements |  |  |  | $ 2,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Comerica Bank revolving credit facility | Revolving Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility, available borrowing capacity |  |  |  |  |  |  |  | 42,700,000 |  |  | 42,700,000 |  |  |  |  |  |
Debt Instrument, Debt Covenant, Consent for Common Stock Repurchases, Amount |  |  |  |  |  |  |  | 1,000,000 |  |  | 1,000,000 |  |  |  |  |  |
Comerica Bank revolving credit facility | Revolving Credit Facility | Subsequent event |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility, available borrowing capacity |  |  |  |  |  |  |  |  |  |  |  |  | $ 40,400,000 |  |  |  |
Comerica Bank revolving credit facility | Revolving Credit Facility | Bloomberg short-term bank yield index |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate Floor |  |  |  |  | (0.50%) |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  | 4.00% |  |  |  |  |  |  |  |  |  |  |  |
Jones Crossing loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |  | 22,289,000 |  |  | $ 22,289,000 |  |  |  |  | 24,143,000 |
Repayments of Debt | $ 1,700,000 |  |  |  |  | $ 231,000 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Covenant, Debt Service Coverage Ratio |  |  |  |  |  |  |  |  |  |  | 1.15 |  |  |  |  |  |
Jones Crossing loan | Subsequent event |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of Debt |  |  | $ 1,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
The Annie B land loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |  | 13,950,000 |  |  | $ 13,950,000 |  |  |  |  | 13,969,000 |
Debt instrument, interest reserve |  |  |  |  |  | $ 600,000 |  |  |  |  |  |  |  |  |  |  |
The Annie B land loan | Bloomberg short-term bank yield index |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate Floor |  |  |  |  |  | (0.50%) |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  | 3.00% |  |  |  |  |  |  |  |  |  |  |
New Caney land loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |  | 0 |  |  | 0 |  |  |  |  | 4,047,000 |
Kingwood Place |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |  | 28,044,000 |  |  | 28,044,000 |  |  |  |  | 27,507,000 |
Lantana Place |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |  | 21,792,000 |  |  | 21,792,000 |  |  |  |  | 21,782,000 |
The Saint June |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |  | 24,617,000 |  |  | 24,617,000 |  |  |  |  | 13,829,000 |
The Saint June | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate Floor |  |  |  |  |  |  | (0.75%) |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  | 2.85% |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread Floor |  |  |  |  |  |  | 3.50% |  |  |  |  |  |  |  |  |  |
Magnolia Place Construction Loan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |  | 8,006,000 |  |  | 8,006,000 |  |  |  |  | 6,816,000 |
Magnolia Place Construction Loan [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate Floor | 0.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate | 3.36% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread Floor | 3.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
West Killeen Market |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |  | 5,276,000 |  |  | 5,276,000 |  |  |  |  | 5,306,000 |
Amarra Villas revolving credit facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |  | 10,951,000 |  |  | 10,951,000 |  |  |  |  | 5,366,000 |
Amarra Villas revolving credit facility | Line of credit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of Debt |  |  |  |  | $ 2,200,000 |  |  |  |  |  |  |  |  |  |  |  |
Holden Hills construction loan | Construction Loan Payable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Covenant, Loan to Value Ratio |  |  |  |  |  | 0.28 |  |  |  |  |  |  |  |  |  |  |
Debt Covenant, net asset value |  |  |  |  |  | $ 125,000,000 |  |  |  |  |  |  |  |  |  |  |
Debt principal |  |  |  |  |  | $ 26,100,000 |  |  |  |  |  |  |  |  |  |  |
Construction cost percent |  |  |  |  |  | 23.00% |  |  |  |  |  |  |  |  |  |  |
Holden Hills construction loan | Construction Loan Payable | Bloomberg short-term bank yield index |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate Floor |  |  |  |  |  | (0.50%) |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  | 3.00% |  |  |  |  |  |  |  |  |  |  |
Saint George construction loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |  | $ 2,507,000 |  |  | $ 2,507,000 |  |  |  |  | $ 0 |

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