XML 90 R74.htm IDEA: XBRL DOCUMENT v3.3.1.900
Loans and Leases - Summary of Change in Accretable Yield of Acquired Loans (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Acquired During Period [Abstract]    
Balance at beginning of period $ 331,899 $ 305,646
Acquisitions   125,001
Reduction due to unexpected early payoffs (47,075) (48,556)
Reclass from non-accretable difference 32,141 29,643
Disposals/transfers (674) (5,513)
Accretion (60,171) (74,322)
Balance at end of period $ 256,120 $ 331,899