FDIC LOSS SHARING ASSET (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014 item
FDIC LOSS SHARING ASSET
Number of loss sharing agreements with FDIC	4
Changes in the FDIC loss sharing asset
Balance, at the beginning of the period	$ 45,524
FDIC share of recoveries, net of losses	(2,601)
Cash received from FDIC	(383)
Net amortization	(7,912)
Balance, at the end of the period	34,628
FDIC loss sharing asset
FDIC loss sharing asset	34,628
True-up liability	6,735
Non-single family covered assets	340,220
Single family covered assets	120,771
Affinity
Changes in the FDIC loss sharing asset
Balance, at the end of the period	4,868
FDIC loss sharing asset
FDIC loss sharing asset	4,868
Non-single family covered assets	167,456
Single family covered assets	14,277
Los Padres Bank
Changes in the FDIC loss sharing asset
Balance, at the end of the period	17,827
FDIC loss sharing asset
FDIC loss sharing asset	17,827
Non-single family covered assets	115,460
Single family covered assets	72,887
Western Commercial Bank
Changes in the FDIC loss sharing asset
Balance, at the end of the period	1,783
FDIC loss sharing asset
FDIC loss sharing asset	1,783
True-up liability	1,539
Non-single family covered assets	16,007
San Luis Trust Bank
Changes in the FDIC loss sharing asset
Balance, at the end of the period	10,150
FDIC loss sharing asset
FDIC loss sharing asset	10,150
True-up liability	5,196
Non-single family covered assets	41,297
Single family covered assets	$ 33,607