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SERVICING RIGHTS - Schedule of Servicing Rights (Detail) - USD ($)
$ in Thousands
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2013
Transfers and Servicing [Abstract]            
Mortgage servicing rights, at fair value $ 34,198 $ 21,165 $ 19,082 $ 9,816 $ 18,553 $ 13,535
SBA servicing rights, at cost 744 $ 664 484 $ 375 $ 327 $ 348
Total $ 34,942   $ 19,566