LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES (Details 5) - Loans Receivable $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2015 USD ($) contract	Jun. 30, 2014 USD ($) contract	Jun. 30, 2015 USD ($) contract	Jun. 30, 2014 USD ($) contract	Dec. 31, 2014 USD ($)
Loans Modified as TDRs
Period beyond which a TDR generally becomes delinquent				90 days
Non-PCI loans
Loans Modified as TDRs
Number of contracts modified as TDRs that subsequently defaulted | contract		0		0
Non-PCI loans | CRE
Loans Modified as TDRs
Post-Modification Outstanding Recorded Investment		$ 100	$ 5,300	$ 918	$ 5,300
Number of contracts modified as TDRs that subsequently defaulted | contract					1
Balance of loans modified as TDRs that subsequently defaulted					$ 2,700
Non-PCI loans | CRE | Income producing
Loans Modified as TDRs
Number of Contracts | contract			2	1	2
Pre-Modification Outstanding Recorded Investment			$ 5,318	$ 828	$ 5,318
Post-Modification Outstanding Recorded Investment	[1]		5,254	$ 818	5,254
Non-PCI loans | CRE | Land
Loans Modified as TDRs
Number of Contracts | contract		1		1
Pre-Modification Outstanding Recorded Investment		$ 171		$ 171
Post-Modification Outstanding Recorded Investment	[1]	100		100
Financial Impact	[2]	102		102
Non-PCI loans | C&I
Loans Modified as TDRs
Post-Modification Outstanding Recorded Investment		$ 38,100	$ 1,200	$ 38,300	$ 2,800
Number of contracts modified as TDRs that subsequently defaulted | contract			1		1
Balance of loans modified as TDRs that subsequently defaulted			$ 500		$ 500
Non-PCI loans | C&I | Commercial business
Loans Modified as TDRs
Number of Contracts | contract		12	2	13	7
Pre-Modification Outstanding Recorded Investment		$ 37,924	$ 1,165	$ 38,090	$ 2,886
Post-Modification Outstanding Recorded Investment	[1]	38,117	1,155	38,280	2,828
Financial Impact	[2]	5,465	563	5,497	1,811
Non-PCI loans | Residential
Loans Modified as TDRs
Post-Modification Outstanding Recorded Investment			$ 4,000	$ 281	$ 8,100
Non-PCI loans | Residential | Single-family
Loans Modified as TDRs
Number of Contracts | contract			1	1	4
Pre-Modification Outstanding Recorded Investment			$ 1,032	$ 281	$ 6,855
Post-Modification Outstanding Recorded Investment	[1]		$ 1,030	281	$ 5,105
Financial Impact	[2]			2
Non-PCI loans | Residential | Multifamily
Loans Modified as TDRs
Number of Contracts | contract			1		1
Pre-Modification Outstanding Recorded Investment			$ 2,513		$ 2,513
Post-Modification Outstanding Recorded Investment	[1]		$ 2,973		$ 2,973
Performing loan | A/B Note Splits
Loans Modified as TDRs
Loan balance of restructured loans		$ 2,800		$ 2,800		$ 2,900

[1] Includes subsequent payments after modification and reflects the balance as of June 30, 2015 and 2014.

[2] The financial impact includes charge-offs and specific reserves recorded at modification date.