Investment securities available for sale (Details 1) - USD ($) $ in Thousands |
3 Months Ended | |
---|---|---|
Mar. 31, 2019 |
Mar. 31, 2018 |
|
Debt Securities, Available-for-sale [Line Items] | ||
Gross realized gains | $ 101 | $ 0 |
Gross realized losses | 0 | 0 |
Available-for-sale Securities, Gross Realized Gain (Loss) | $ 101 | $ 0 |