LOANS AND LEASES (Details) (USD $)	12 Months Ended
	Dec. 31, 2013 loan	Dec. 31, 2012 loan	Dec. 31, 2011
LOANS AND LEASES
Loans and leases, gross	$ 2,631,158,000	$ 2,205,188,000
Unearned income	(557,000)	(1,244,000)
Total loans and leases	2,630,601,000	2,203,944,000
Number of collateral portfolio loans transferred to other real estate	12	20
Carrying value of collateral portfolio loans transferred to other real estate	4,358,000	4,846,000	47,064,000
Number of loans purchased or sold		0
Number of loans transferred to held-for-sale category		3
Number of non-performing loans transferred to held-for-sale category		2
Carrying value of non-performing loans transferred to held-for-sale category		1,487,000	13,639,000
Activity of loans made to certain directors, executive officers and their affiliates
Balance, beginning of year	1,501,000	4,579,000
Additions	17,487,000	2,348,000
Repayments	(6,046,000)	(5,426,000)
Balance, end of year	12,942,000	1,501,000	4,579,000
Auto loan portfolio
LOANS AND LEASES
Carrying value of loan purchased	67,700,000
Premium value of loan purchased	2,800,000
Outstanding value of loan purchased	64,900,000
Weighted average remaining term	72 months
Student loan portfolio
LOANS AND LEASES
Carrying value of loan purchased	17,400,000
Weighted average remaining term	122 months
Commercial, financial and agricultural
LOANS AND LEASES
Loans and leases, gross	398,365,000	246,278,000
Unearned income	351,000	(60,000)
Total loans and leases	398,716,000	246,218,000
Real estate, Construction
LOANS AND LEASES
Loans and leases, gross	75,927,000	96,240,000
Unearned income	(311,000)	(46,000)
Total loans and leases	75,616,000	96,194,000
Real estate, Mortgage - residential
LOANS AND LEASES
Loans and leases, gross	1,237,841,000	1,035,273,000
Unearned income	1,418,000	124,000
Total loans and leases	1,239,259,000	1,035,397,000
Real estate, Mortgage - commercial
LOANS AND LEASES
Loans and leases, gross	601,114,000	673,506,000
Unearned income	(1,033,000)	(1,258,000)
Total loans and leases	600,081,000	672,248,000
Consumer
LOANS AND LEASES
Loans and leases, gross	311,670,000	143,387,000
Unearned income	(982,000)	(4,000)
Total loans and leases	310,688,000	143,383,000
Leases
LOANS AND LEASES
Loans and leases, gross	6,241,000	10,504,000
Total loans and leases	$ 6,241,000	$ 10,504,000