Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details)

v3.19.1
Fair Value Measurements (Details) - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 31, 2018
Fair value    
Investment securities - trading $ 1,405 $ 1,308
Recurring basis    
Fair value    
Investment securities - trading 1,405 1,308
Total assets measured at fair value on a recurring basis 1,405 1,308
Recurring basis | Level 1 - Quoted Prices in Active Markets for Identical Assets    
Fair value    
Investment securities - trading 1,405 1,308
Total assets measured at fair value on a recurring basis 1,405 1,308
Recurring basis | Level 2 - Significant Other Observable Inputs    
Fair value    
Investment securities - trading 0 0
Total assets measured at fair value on a recurring basis 0 0
Recurring basis | Level 3 - Significant Unobservable Inputs    
Fair value    
Investment securities - trading 0 0
Total assets measured at fair value on a recurring basis $ 0 $ 0