DEPOSITS - Brokered Certificates Of Deposit Mature (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Deposits [Line Items]
Interest Bearing Domestic Deposit Brokered	$ 3,063,780	$ 3,142,023
One to ninety days
Deposits [Line Items]
Interest Bearing Domestic Deposit Brokered	476,868
Over three month to six months
Deposits [Line Items]
Interest Bearing Domestic Deposit Brokered	372,529
Over six months to one year
Deposits [Line Items]
Interest Bearing Domestic Deposit Brokered	949,776
One to three year
Deposits [Line Items]
Interest Bearing Domestic Deposit Brokered	1,114,067
Three to five years
Deposits [Line Items]
Interest Bearing Domestic Deposit Brokered	114,523
Over five years
Deposits [Line Items]
Interest Bearing Domestic Deposit Brokered	$ 36,017