XML 58 R40.htm IDEA: XBRL DOCUMENT v3.19.3
Investment Securities Summary of Gains and Losses from Equity and Debt Securities, and Losses from Other-than-Temporary Impairment (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Gain (Loss) on Securities [Line Items]        
Debt securities, Gross Realized Gains $ 7,938   $ 11,207  
Debt securities, Gross Realized Losses 3,446   6,474  
Debt securities, Net Gains (Losses) 4,492   4,733  
Debt and Equity securities, Gross Realized Gains 7,938   11,207  
Debt and Equity securities, Gross Realized Losses 3,446   6,474  
Debt and Equity securities, Net Gains (Losses) $ 4,492   $ 4,733  
Gross Realized Gains   $ 116   $ 1,665
Gross Realized Losses   (102)   (1,628)
Net Gains   14   37
Equity Securities [Member]        
Gain (Loss) on Securities [Line Items]        
Gross Realized Gains       9
Gross Realized Losses       0
Net Gains       9
Debt Securities [Member]        
Gain (Loss) on Securities [Line Items]        
Gross Realized Gains   116   1,656
Gross Realized Losses   (102)   (1,628)
Net Gains   $ 14   $ 28