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Bonds Payable - Schedule of Maturities of Long-term Debt (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Debt Disclosure [Abstract]    
2022 $ 46,286  
2023 121,584  
2024 13,505  
2025 13,505  
Bonds $ 194,880 $ 245,988