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FAIR VALUES OF FINANCIAL INSTRUMENTS - Gains and (Losses) on Non-Recurring Assets (Detail) - Nonrecurring - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Impaired loans | Single family residential mortgage
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Gains and (losses) recognized on assets measured at fair value	$ 0	$ (375)	$ (1,143)
Impaired loans | Commercial real estate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Gains and (losses) recognized on assets measured at fair value	0	88	0
Impaired loans | Multi-family
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Gains and (losses) recognized on assets measured at fair value	0	0	(465)
Impaired loans | SBA
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Gains and (losses) recognized on assets measured at fair value	4	0	0
Impaired loans | Other consumer
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Gains and (losses) recognized on assets measured at fair value	0	(2)	(2)
SBA servicing assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Gains and (losses) recognized on assets measured at fair value	0	(42)	0
Other real estate owned
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Gains and (losses) recognized on assets measured at fair value	$ (15)	$ 34	$ 367

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