Bonds Payable - Schedule of Long-term Debt Instruments (Details) $ in Thousands	3 Months Ended
Mar. 31, 2022 USD ($) ft²	Dec. 31, 2021 USD ($)
Debt Instrument [Line Items]
Bonds payable	$ 163,571	$ 189,452
Bonds
Debt Instrument [Line Items]
Bonds	168,168	194,880
Less unamortized deferred issuance costs	(4,597)	(5,428)
Bonds payable	163,571	189,452
Series A Bonds
Debt Instrument [Line Items]
Bonds	$ 48,151	65,563
Interest Rate	7.30%
Series B Bonds
Debt Instrument [Line Items]
Bonds	$ 46,285	54,019
Interest Rate	6.80%
Series C Bonds
Debt Instrument [Line Items]
Bonds	$ 73,732	$ 75,298
Interest Rate	4.65%
Series C Bonds \| Browning Place
Debt Instrument [Line Items]
Land collateral (acres) \| ft²	625,297

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.17)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1D
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28555-108399

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant