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LOANS AND LEASES AND ALLOWANCE FOR LOAN AND LEASE LOSSES - Allowance for Loan and Lease Losses (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Allowance for Loan and Lease Losses [Roll Forward]    
Balance at beginning of period $ 62,192 $ 49,333
Loans and leases charged off (1,063) (14,639)
Recoveries of loans and leases previously charged off 244 570
Provision for loan and lease losses 2,512 19,499
Balance at end of period $ 63,885 $ 54,763