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Bonds Payable (Tables)
3 Months Ended
Mar. 31, 2023
Debt Disclosure [Abstract]  
Schedule of Bonds Payable
The outstanding balance of our Bonds at March 31, 2023 and December 31, 2022 is as follows:
Bond IssuanceMarch 31, 2023December 31, 2022Interest RateMaturity
Series A Bonds(1)$14,101 $28,971 7.30 %7/31/23
Series B Bonds(1)29,046 35,806 6.80 %7/31/25
Series C Bonds(2)— 66,546 4.65 %1/31/23
43,147 131,323 
Less unamortized deferred issuance costs(1,475)(2,105)
$41,672 $129,218 
(1)    The bonds were collateralized by the assets of SPC.
(2)    The bonds were collateralized by a trust deed on Browning Place, a 625,297 square foot office building in Dallas, Texas.