Bonds Payable - Schedule of Long-term Debt Instruments (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) ft²	Dec. 31, 2020 USD ($)
Debt Instrument [Line Items]
Bonds	$ 194,880	$ 245,988
Less unamortized deferred issuance costs	(5,428)	(8,100)
Bonds payable	$ 189,452	237,888
Browning Place
Debt Instrument [Line Items]
Land collateral | ft²	625,297
Series A Bonds
Debt Instrument [Line Items]
Bonds	$ 65,563	95,133
Interest Rate	7.30%
Series B Bonds
Debt Instrument [Line Items]
Bonds	$ 54,019	65,318
Interest Rate	6.80%
Series C Bonds
Debt Instrument [Line Items]
Bonds	$ 75,298	$ 85,537
Interest Rate	4.65%