LOANS (excluding covered loans) - Changes in Other Real Estate Owned (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]
Disposals			$ 23,590	$ 30,017
Non Covered Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period	11,798	15,688	12,526	11,317
Additions	873	945	3,569	8,208
Disposals	654	1,622	3,187	3,246
Write-downs	213	1,099	1,104	2,367
Balance at end of period	11,804	13,912	11,804	13,912
Non Covered Loans | Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Additions	608	539	2,924	5,888
Disposals	500	1,209	2,382	2,221
Write-downs	71	1,041	632	2,181
Non Covered Loans | Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Additions	265	406	645	2,320
Disposals	154	413	805	1,025
Write-downs	$ 142	$ 58	$ 472	$ 186