XML 134 R122.htm IDEA: XBRL DOCUMENT v3.19.2
DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Summary of Fair Value of Derivative Instruments and Location in Statement of Financial Condition (Detail) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Derivatives Fair Value [Line Items]    
Other Assets $ 217,590 $ 171,066
Accrued Liabilities And Other Liabilities 177,889 129,907
Not Designated as Hedging Instrument, Economic Hedge [Member]    
Derivatives Fair Value [Line Items]    
Asset Derivative 410 1,018
Liability Derivatives 481 1,000
Not Designated as Hedging Instrument, Economic Hedge [Member] | Sale of TBA GNMA MBS pools [Member]    
Derivatives Fair Value [Line Items]    
Other Assets 0 0
Accrued Liabilities And Other Liabilities 387 383
Not Designated as Hedging Instrument, Economic Hedge [Member] | Forward loan sales commitments [Member]    
Derivatives Fair Value [Line Items]    
Other Assets 20 12
Accrued Liabilities And Other Liabilities 0 0
Not Designated as Hedging Instrument, Economic Hedge [Member] | Interest Rate Lock Commitments [Member]    
Derivatives Fair Value [Line Items]    
Other Assets 294 383
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 94 617
Not Designated as Hedging Instrument, Economic Hedge [Member] | Interest Rate Cap [Member] | Purchase    
Derivatives Fair Value [Line Items]    
Other Assets 96 623
Accrued Liabilities And Other Liabilities $ 0 $ 0