HELD-TO-MATURITY SECURITIES (Tables)

12 Months Ended

Dec. 31, 2011

HELD-TO-MATURITY SECURITIES [Abstract]

Amortized Cost and Estimated Fair Value of Held-to-Maturity Securities

Amortized cost and estimated fair values of held-to-maturity securities as of December 31, 2010 follows:

			Gross		Gross		Estimated
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
	(In thousands)
U.S. Government agencies	$	1,246,649	$	27,082	$	4,320	$	1,269,411
Obligations of states and political subdivisions		366,370		4,286		7,376		363,280
Total	$	1,613,019	$	31,368	$	11,696	$	1,632,691