Quarterly report pursuant to Section 13 or 15(d)

Concentration of Credit Risk (Details)

v3.19.3
Concentration of Credit Risk (Details)
$ in Millions
Jun. 30, 2019
USD ($)
Institution
Dec. 31, 2018
USD ($)
Concentration of Credit Risk [Abstract]    
Number of financial institutions | Institution 1  
Deposits in excess of FDIC insured limits | $ $ 10.3 $ 3.4