LOANS AND LEASES (Details 5) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012 item	Sep. 30, 2011 item	Sep. 30, 2012 item	Sep. 30, 2011 item	Dec. 31, 2011
Information related to loans modified in a TDR
Combined principal balance of troubled debt restructurings included in nonperforming assets	$ 49,100,000		$ 49,100,000
Amount of TDRs still accruing interest	24,900,000		24,900,000		8,300,000
Holding period limit for accruing interest on TDRs			90 days
Number of Contracts	8		26	28
Recorded Investment	11,521,000		25,882,000	20,228,000
Additional Partial Charge-offs	155,000			3,461,000
Loans modified as a TDR within the previous twelve months that subsequently defaulted
Number of Contracts	4	1	13	38
Recorded Investment	4,761,000	347,000	13,297,000	18,835,000
Commercial, financial and agricultural
Information related to loans modified in a TDR
Number of Contracts	1		4
Recorded Investment	457,000		624,000
Construction and development loans | Hawaii
Information related to loans modified in a TDR
Number of troubled debt restructurings included in nonperforming assets	7		7
Combined principal balance of troubled debt restructurings included in nonperforming assets	2,300,000		2,300,000
Construction and development loans | Mainland
Information related to loans modified in a TDR
Combined principal balance of troubled debt restructurings included in nonperforming assets	17,100,000		17,100,000
Commercial loans | Hawaii
Information related to loans modified in a TDR
Combined principal balance of troubled debt restructurings included in nonperforming assets	100,000		100,000
Real estate: construction
Information related to loans modified in a TDR
Number of Contracts	4		8	2
Recorded Investment	9,838,000		11,377,000	10,593,000
Additional Partial Charge-offs				3,014,000
Loans modified as a TDR within the previous twelve months that subsequently defaulted
Number of Contracts	3		7	1
Recorded Investment	4,668,000		6,207,000	5,332,000
Real estate, Mortgage - residential
Information related to loans modified in a TDR
Number of Contracts	3	9	10	26
Recorded Investment	1,226,000	2,954,000	4,258,000	9,635,000
Additional Partial Charge-offs	155,000			447,000
Loans modified as a TDR within the previous twelve months that subsequently defaulted
Number of Contracts	1	1	4	37
Recorded Investment	93,000	347,000	878,000	13,503,000
Real estate, Mortgage - residential | Hawaii
Information related to loans modified in a TDR
Number of troubled debt restructurings included in nonperforming assets	68		68
Combined principal balance of troubled debt restructurings included in nonperforming assets	26,600,000		26,600,000
Real estate, Mortgage - commercial
Information related to loans modified in a TDR
Number of Contracts			4
Recorded Investment			9,623,000
Loans modified as a TDR within the previous twelve months that subsequently defaulted
Number of Contracts			2
Recorded Investment			6,212,000
Real estate, Mortgage - commercial | Mainland
Information related to loans modified in a TDR
Number of troubled debt restructurings included in nonperforming assets	2		2
Combined principal balance of troubled debt restructurings included in nonperforming assets	$ 3,000,000		$ 3,000,000