XML 33 R52.htm IDEA: XBRL DOCUMENT v3.3.0.814
Loans and Allowance for Credit Losses Activity in the Allowance for Credit Losses (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Allowance for Loan and Lease Losses [Roll Forward]        
Balance at beginning of period $ 169,453 $ 193,442 $ 185,931 $ 204,917
Loans charged off (5,561) (9,604) (26,697) (31,348)
Recoveries of loans previously charged off 4,503 3,770 10,661 8,039
Net loans charged off (1,058) (5,834) (16,036) (23,309)
Provision for credit losses 1,000 3,500 (500) 9,500
Balance at end of period $ 169,395 $ 191,108 $ 169,395 $ 191,108