XML 70 R50.htm IDEA: XBRL DOCUMENT v3.8.0.1
Investment Securities (Details Textual) - USD ($)
9 Months Ended
Sep. 30, 2017
Dec. 31, 2016
Investment Securities (Textuals) [Abstract]    
Available-for-sale Securities, Transferred to Held-to-maturity Securities, at Carrying Value $ 1,000,000,000  
Asset-Backed Securities, at Carrying Value 109,000,000  
Held-to-maturity Securities, Sold Security, at Carrying Value 16,000,000  
Held-to-maturity Securities, Sold Security, Realized Gain (Loss) 359,000  
Securities pledged as collateral 2,900,000,000 $ 1,800,000,000
Federal Home Loan Bank Stock 97,000,000 65,000,000
Federal Reserve Bank Stock $ 76,000,000 $ 75,000,000