XML 62 R37.htm IDEA: XBRL DOCUMENT v3.8.0.1
Investing Receivables (Tables)
 12 Months Ended
Dec. 31, 2017
Receivables [Abstract]  
Schedule of investing receivables
Investing receivables, including accrued interest thereon, consisted of the following (in thousands):
 
 
 
December 31,
 
 
2017
 
2016
Notes receivable from City of Huntsville
 
$
54,472

 
$
49,258

Other investing loans receivable
 
3,021

 
3,021

 
 
$
57,493

 
$
52,279