XML 50 R40.htm IDEA: XBRL DOCUMENT v3.21.2
Investment securities - Maturity Distribution of Debt Securities Classified as Available-for-Sale (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Investment securities    
Within one year $ 38,277  
After one but within five years 95,877  
After five but within ten years 93,524  
After ten years 106,538  
Available for sale securities 334,216  
Mortgage-backed and other amortizing securities 127,156  
Total $ 461,372 $ 295,911