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SERVICING RIGHTS - Mortgage Servicing Rights (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Servicing Asset at Fair Value, Amount [Roll Forward]        
Balance at beginning of period $ 48,370 $ 21,165 $ 49,939 $ 19,082
Additions 12,766 13,699 21,348 23,891
Changes in fair value resulting from valuation inputs or assumptions (5,831) 1,538 (14,032) 1,010
Sales of servicing rights 0 0 (3) (5,862)
Other (2,738) (2,204) (4,685) (3,923)
Balance at end of period $ 52,567 $ 34,198 $ 52,567 $ 34,198