ACQUISITIONS (Details) (USD $)	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2011	Jun. 30, 2012 Pacific Western Bank PWE Finance	Jan. 03, 2012 Pacific Western Bank PWE Finance	Jun. 30, 2012 Pacific Western Bank Celtic	Apr. 03, 2012 Pacific Western Bank Celtic	Jun. 30, 2012 Pacific Western Bank Celtic Maximum
Acquisition
Gross leases and leases in process outstanding	$ 2,772,230,000	$ 2,722,400,000	$ 2,816,709,000	$ 166,100,000	$ 162,200,000	$ 60,600,000	$ 56,000,000
Assumed outstanding debt and other liabilities					154,800,000		47,000,000
Loan market considered in granting loan								5,000,000
Assets Acquired:
Cash and cash equivalents					7,092,000		3,602,000
Loans and leases					142,989,000		54,433,000
Leases in process					19,162,000
Customer relationship intangible					1,700,000		1,300,000
Other intangible assets					1,420,000		670,000
Goodwill					17,003,000		5,864,000
Other assets					467,000		421,000
Total assets acquired					189,833,000		66,290,000
Liabilities Assumed:
Borrowings from parent					128,677,000
Other borrowings					15,839,000		46,804,000
Accrued interest payable and other liabilities					10,317,000		1,486,000
Total liabilities assumed					154,833,000		48,290,000
Consideration paid
Cash consideration paid					$ 35,000,000		$ 18,000,000