XML 76 R61.htm IDEA: XBRL DOCUMENT v3.19.1
Investment securities - Additional Information (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2018
USD ($)
shares
Dec. 31, 2017
USD ($)
Value of common stock | $ $ 14,798 $ 14,793
Visa Class A stock    
Conversion ratio of common stock 1.6298  
Shares to be issued following resolution of Visa litigation 73,312  
Visa Class B stock    
Shares held 44,982