LOANS AND LEASES (Details 4) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Allowance for Loan and Lease Losses:
Balance, beginning of period	$ 91,968	$ 116,588
Charge-offs	(11,225)	(17,457)
Recoveries	6,856	3,406
Provision (negative provision)	(5,565)	(10,569)
Balance, end of period	82,034	91,968
Loans and Leases:
Total gross loans and leases	4,313,335	3,592,832
Real estate mortgage
Loans and Leases:
Total gross loans and leases	2,795,998	2,424,210
Real estate construction
Loans and Leases:
Total gross loans and leases	219,517	154,604
Commercial
Loans and Leases:
Total gross loans and leases	972,981	816,526
Leases
Loans and Leases:
Total gross loans and leases	269,769	174,373
Consumer
Loans and Leases:
Total gross loans and leases	55,070	23,119
Non-PCI Loans
Allowance for Loan and Lease Losses:
Balance, beginning of period	65,899	85,313
Charge-offs	(11,159)	(13,070)
Recoveries	6,856	3,406
Provision (negative provision)	(1,355)	(9,750)
Balance, end of period	60,241	65,899
Amount of the allowance applicable to loans and leases:
Individually evaluated for impairment	7,600	12,988
Collectively evaluated for impairment	52,641	52,911
Loans and Leases:
Total gross loans and leases	3,930,539	3,074,947
Individually evaluated for impairment	88,422	148,050
Collectively evaluated for impairment	3,842,117	2,926,897
Non-PCI Loans | Real estate mortgage
Allowance for Loan and Lease Losses:
Balance, beginning of period	38,700	50,205
Charge-offs	(4,552)	(7,680)
Recoveries	2,507	1,598
Provision (negative provision)	(10,577)	(5,423)
Balance, end of period	26,078	38,700
Amount of the allowance applicable to loans and leases:
Individually evaluated for impairment	2,188	7,827
Collectively evaluated for impairment	23,890	30,873
Loans and Leases:
Total gross loans and leases	2,424,864	1,940,153
Individually evaluated for impairment	62,276	107,198
Collectively evaluated for impairment	2,362,588	1,832,955
Non-PCI Loans | Real estate construction
Allowance for Loan and Lease Losses:
Balance, beginning of period	3,221	8,697
Charge-offs		(492)
Recoveries	1,654	49
Provision (negative provision)	(577)	(5,033)
Balance, end of period	4,298	3,221
Amount of the allowance applicable to loans and leases:
Individually evaluated for impairment	169	371
Collectively evaluated for impairment	4,129	2,850
Loans and Leases:
Total gross loans and leases	209,090	129,959
Individually evaluated for impairment	7,512	25,450
Collectively evaluated for impairment	201,578	104,509
Non-PCI Loans | Commercial
Allowance for Loan and Lease Losses:
Balance, beginning of period	20,759	23,643
Charge-offs	(6,295)	(4,580)
Recoveries	2,621	1,622
Provision (negative provision)	6,609	74
Balance, end of period	23,694	20,759
Amount of the allowance applicable to loans and leases:
Individually evaluated for impairment	5,003	4,525
Collectively evaluated for impairment	18,691	16,234
Loans and Leases:
Total gross loans and leases	972,007	807,455
Individually evaluated for impairment	17,300	14,530
Collectively evaluated for impairment	954,707	792,925
Non-PCI Loans | Leases
Allowance for Loan and Lease Losses:
Balance, beginning of period	1,493
Charge-offs	(114)	(28)
Provision (negative provision)	1,848	1,521
Balance, end of period	3,227	1,493
Amount of the allowance applicable to loans and leases:
Collectively evaluated for impairment	3,227	1,493
Loans and Leases:
Total gross loans and leases	269,769	174,373
Individually evaluated for impairment	632	244
Collectively evaluated for impairment	269,137	174,129
Non-PCI Loans | Consumer
Allowance for Loan and Lease Losses:
Balance, beginning of period	1,726	2,768
Charge-offs	(198)	(290)
Recoveries	74	137
Provision (negative provision)	1,342	(889)
Balance, end of period	2,944	1,726
Amount of the allowance applicable to loans and leases:
Individually evaluated for impairment	240	265
Collectively evaluated for impairment	2,704	1,461
Loans and Leases:
Total gross loans and leases	54,809	23,007
Individually evaluated for impairment	702	628
Collectively evaluated for impairment	54,107	22,379
PCI Loans
Allowance for Loan and Lease Losses:
Balance, beginning of period	26,069	31,275
Charge-offs	(66)	(4,387)
Provision (negative provision)	(4,210)	(819)
Balance, end of period	21,793	26,069
Amount of the allowance applicable to loans and leases:
Acquired with deteriorated credit quality	21,793	26,069
Loans and Leases:
Total gross loans and leases	382,796	517,885
Acquired with deteriorated credit quality	382,796	517,885
PCI Loans | Real estate mortgage
Loans and Leases:
Total gross loans and leases	371,134	484,057
PCI Loans | Real estate construction
Loans and Leases:
Total gross loans and leases	10,427	24,645
PCI Loans | Commercial
Loans and Leases:
Total gross loans and leases	974	9,071
PCI Loans | Consumer
Loans and Leases:
Total gross loans and leases	$ 261	$ 112