ACQUISITIONS (Details) (USD $)	Aug. 01, 2012 American Perspective	Apr. 03, 2012 Celtic	Jan. 03, 2012 PWE Finance	Aug. 01, 2012 Pacific Western Bank American Perspective item	Apr. 03, 2012 Pacific Western Bank Celtic Maximum
Assets Acquired:
Cash and due from banks	$ 3,370,000	$ 3,435,000	$ 7,092,000
Interest-earning deposits in other financial institutions	10,081,000
Investment securities available-for-sale	48,887,000
FHLB stock	1,412,000
Loans and leases	197,279,000	54,963,000	140,959,000
Other real estate owned	1,561,000
Goodwill	15,047,000	6,645,000	19,033,000
Core deposit and customer relationship intangibles	1,924,000	1,300,000	1,700,000
Other intangible assets		670,000	1,420,000
Leases in process			19,162,000
Other assets	4,234,000	69,000	467,000
Total assets acquired	283,795,000	67,082,000	189,833,000
Liabilities Assumed:
Noninterest-bearing deposits	40,673,000
Interest-bearing deposits	178,891,000
Borrowings from parent			128,677,000
Other borrowings	5,315,000	46,804,000	15,839,000
Accrued interest payable and other liabilities	840,000	2,278,000	10,317,000
Total liabilities assumed	225,719,000	49,082,000	154,833,000
Consideration paid
Cash consideration paid	58,076,000	18,000,000	35,000,000
Loan market considered in granting loan					$ 5,000,000
Number of branches				2