NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2012

NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]

Premises and Fixed Assets, Net

Premises and Fixed Assets, Net - Land is stated at original cost. Buildings and furniture, fixtures and equipment are stated at cost less accumulated depreciation. Depreciation is computed by the straight-line method over the estimated useful lives of the properties as follows:

Buildings	2.22% to 2.50% per year
Leasehold improvements	lesser of the useful life of the asset or the remaining non-cancelable terms of the related leases
Furniture, fixtures and equipment	10% per year

Reconciliation of the Numerator and Denominator of Basic EPS and Diluted EPS for the Periods

The following is a reconciliation of the numerator and denominator of basic EPS and diluted EPS for the periods indicated:

	Year Ended December 31,
	2012			2011			2010
Numerator:
Net Income per the Consolidated Statements of Operations	$	40,308		$	47,309		$	41,389
Less: Dividends paid on earnings allocated to participating securities		(184	)		(180	)		(176	)
Income attributable to common stock	$	40,124		$	47,129		$	41,213
Weighted average common shares outstanding, including participating securities		34,296,288			33,723,102			33,260,652
Less: weighted average participating securities		(327	)		(318	)		(304	)
Weighted average common shares outstanding		34,295,961			33,722,784			33,260,348
Basic earnings per common share	$	1.18		$	1.40		$	1.24
Income attributable to common stock	$	40,124		$	47,129		$	41,213
Weighted average common shares outstanding		34,295,961			33,722,784			33,260,348
Weighted average common equivalent shares outstanding		68,492			78,643			106,214
Weighted average common and equivalent shares outstanding		34,364,453			33,801,427			33,366,562
Diluted earnings per common share	$	1.17		$	1.40		$	1.24

Schedule of Accumulated Other Comprehensive Income(Loss) Components [Text Block]

The following is a summary of the accumulated other comprehensive loss balance, net of tax:

	Balance at December 31, 2011			Current PeriodChange			Balance at December 31, 2012
Non-credit component of OTTI	$	510		$	(162	)	$	348
Unamortized loss on investment securities transferred from available for sale to held-to-maturity		806			(111	)		695
Unrealized gains on securities available for sale		(3,078	)		1,900			(1,178	)
Unrealized loss on defined benefit plans		11,471			(1,696	)		9,775
Total accumulated other comprehensive loss, net of tax	$	9,709		$	(69	)	$	9,640