INCOME TAXES (Details 2) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Deferred tax assets
Allowance for loan losses	$ 21,252	$ 19,845
Accrued expenses not deducted for tax purposes	7,739	6,181
Derivatives fair value adjustment	6,020	6,767
Other-than-temporary impairment on securities	4,435	4,403
Federal Home Loan Bank borrowings fair value adjustment	3,883	318
Deferred gain on sale leaseback transaction	3,541	3,968
Employee and director equity compensation	2,474	2,159
Net operating loss carry-forward	2,440	0
Loan basis difference fair value adjustment	1,402	0
Other	1,768	2,166
Total	54,954	45,807
Deferred tax liabilities
Goodwill	11,831	11,499
Fixed assets	7,286	6,269
Core deposit and other intangibles	3,775	3,499
Net unrealized gain on securities available for sale	3,257	3,762
Deferred loan fees, net	3,104	2,369
Loan basis difference fair value adjustment	0	1,326
Other	356	942
Total	29,609	29,666
Total net deferred tax asset	$ 25,345	$ 16,141