Quarterly report pursuant to Section 13 or 15(d)

Securities - Realized Gains and Losses on Sales of Investment Securities (Detail)

v3.5.0.2
Securities - Realized Gains and Losses on Sales of Investment Securities (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Investments, Debt and Equity Securities [Abstract]        
Gross realized losses on sales of securities $ 0 $ 2,067 $ 0 $ 4,262
Gross realized losses on sales of securities 0 (155) 0 (166)
Net realized gains on sales of securities 0 1,912 0 4,096
Proceeds from sales of securities $ 0 $ 130,594 $ 0 $ 307,442