Annual report pursuant to Section 13 and 15(d)

Investments (Details)

v3.20.1
Investments (Details) - Fair Value, Measurements, Recurring [Member] - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Amortized Cost $ 8,198 $ 3,043
Carrying value 8,203 3,043
Mutual Fund [Member] | Available-for-sale Securities [Member]    
Amortized Cost 8,198 3,043
Carrying value $ 8,203 $ 3,043