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Investing Receivables (Tables)
3 Months Ended
Mar. 31, 2022
Receivables [Abstract]  
Schedule of investing receivables
Investing receivables consisted of the following (in thousands): 
March 31,
2022
December 31, 2021
Notes receivable from the City of Huntsville$79,053 $77,784 
Other investing loans receivable5,040 6,041 
Amortized cost basis84,093 83,825 
Allowance for credit losses(1,676)(1,599)
Investing receivables, net$82,417 $82,226