NOTE 4 - ALLOWANCE FOR LOAN LOSSES (Detail) - (Table 2) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Balance at	$ 491,694	$ 456,519
Impaired Loans	5,835	18,359
Impaired Loans [Member] | Commercial Portfolio Segment [Member]
Impaired Loans	585	1,788
Impaired Loans [Member] | Commercial Real Estate Portfolio Segment [Member]
Impaired Loans	2,962	5,998
Impaired Loans [Member] | Commercial Real Estate Construction Financing Receivable [Member]
Impaired Loans	1,371	9,440
Impaired Loans [Member] | Residential Portfolio Segment [Member]
Impaired Loans	684	938
Impaired Loans [Member] | Installment Portfolio Segment [Member]
Impaired Loans	122	107
Impaired Loans [Member] | Other Loans Portfolio Segment [Member]
Impaired Loans	111	88
Impaired Loans [Member]
Impaired Loans	5,835	18,359
Nonimpaired Loans [Member] | Commercial Portfolio Segment [Member]
Non-impaired loans	45,493	44,372
Nonimpaired Loans [Member] | Commercial Real Estate Portfolio Segment [Member]
Non-impaired loans	292,668	270,646
Nonimpaired Loans [Member] | Commercial Real Estate Construction Financing Receivable [Member]
Non-impaired loans	21,632	18,023
Nonimpaired Loans [Member] | Residential Portfolio Segment [Member]
Non-impaired loans	73,669	46,424
Nonimpaired Loans [Member] | Installment Portfolio Segment [Member]
Non-impaired loans	6,567	10,818
Nonimpaired Loans [Member] | Other Loans Portfolio Segment [Member]
Non-impaired loans	45,830	47,877
Nonimpaired Loans [Member]
Non-impaired loans	485,859	438,160
Commercial Portfolio Segment [Member]
Balance at	46,078	46,160
Commercial Real Estate Portfolio Segment [Member]
Balance at	295,630	276,644
Commercial Real Estate Construction Financing Receivable [Member]
Balance at	23,003	27,463
Residential Portfolio Segment [Member]
Balance at	74,353	47,362
Installment Portfolio Segment [Member]
Balance at	6,689	10,925
Other Loans Portfolio Segment [Member]
Balance at	$ 45,941	$ 47,965