XML 120 R108.htm IDEA: XBRL DOCUMENT v3.10.0.1
Note FDIC loss share asset (Activity in the FDIC loss share indemnification asset) (Detail) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Mar. 31, 2018
Disclosure Activity In The F D I C Loss Share Indemnification Asset [Abstract]          
Beginning Balance $ 0 $ 53,070 $ 46,316 $ 69,334  
FDIC loss-sharing termination agreement 0 0 (45,659) 0  
Accretion (amortization) 0 567 (934) (62)  
Credit impairment losses (reversal) to be covered under loss sharing agreements 0 (329) 104 1,945  
Reimbursable expenses 0 588 537 2,232  
Net payment from FDIC under loss-sharing agreements 0 (4,502) (364) (18,505)  
Other adjustments attributable to FDIC loss sharing agreements 0 0 0 (5,550)  
Ending Balance 0 49,394 0 49,394  
Balance due to the FDIC for recoveries on covered assets 0 (924) 0 (924) $ 1,100
FDIC loss-share asset net $ 0 $ 48,470 $ 0 $ 48,470 $ 45,600