XML 120 R109.htm IDEA: XBRL DOCUMENT v3.10.0.1
DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Summary of Fair Value of Derivative Instruments and Location in Statement of Financial Condition (Detail) - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Derivatives Fair Value [Line Items]    
Other Assets $ 442,806 $ 461,491
Accrued Liabilities And Other Liabilities 159,892 145,905
Not Designated as Hedging Instrument, Economic Hedge [Member]    
Derivatives Fair Value [Line Items]    
Other Assets 931 312
Accrued Liabilities And Other Liabilities 835 324
Not Designated as Hedging Instrument, Economic Hedge [Member] | Forward Contracts [Member]    
Derivatives Fair Value [Line Items]    
Other Assets 116 7
Accrued Liabilities And Other Liabilities 20 19
Not Designated as Hedging Instrument, Economic Hedge [Member] | Loan Origination Commitments [Member]    
Derivatives Fair Value [Line Items]    
Other Assets 0 0
Accrued Liabilities And Other Liabilities 0 0
Not Designated as Hedging Instrument, Economic Hedge [Member] | Interest Rate Cap [Member] | Written    
Derivatives Fair Value [Line Items]    
Other Assets 0 0
Accrued Liabilities And Other Liabilities 815 305
Not Designated as Hedging Instrument, Economic Hedge [Member] | Interest Rate Cap [Member] | Purchase    
Derivatives Fair Value [Line Items]    
Other Assets 815 305
Accrued Liabilities And Other Liabilities $ 0 $ 0