XML 110 R47.htm IDEA: XBRL DOCUMENT v3.20.1
Securities (Details Textual) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2020
Dec. 31, 2019
Debt Securities, Available-for-sale [Line Items]      
Interest Receivable   $ 25,900  
Trading   2,247 $ 2,179
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Period Increase (Decrease) $ 0    
Debt Securities, Available-for-sale   437,296 426,424
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Credit Losses on Debt Securities Held     0
Securities (Textual) [Abstract]      
Callable Securities in Investment Portfolio   4,100  
Pledged Financial Instruments, Not Separately Reported, Securities   459,500 375,500
Investments in obligations of individual states, counties or municipalities which exceed 10% of equity   0 0
Equity Securities, FV-NI   19,439 $ 21,261
Available-for-sale Securities [Member]      
Debt Securities, Available-for-sale [Line Items]      
Interest Receivable   1,600  
Held-to-maturity Securities [Member]      
Debt Securities, Available-for-sale [Line Items]      
Interest Receivable   $ 2,000