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Note Receivable
12 Months Ended
Dec. 31, 2017
Receivables [Abstract]  
Note Receivable
Note Receivable
As of December 31, 2017 and 2016, we held a note receivable of $8.1 million from the city of Philadelphia, Pennsylvania. The note bears interest at a rate of 12.85% and matures in 2018. The interest income recorded on the note receivable is offset against the interest expense recorded on the TIF loan of the same amount. See note 9.