Consolidated Balance Sheet (Parenthetical) (USD $) In Thousands, except Share data	Sep. 30, 2011	Dec. 31, 2010	Sep. 30, 2010
Securities Held-to-Maturity, at Fair Value	$ 153,131	$ 162,713	$ 165,070
Preferred Stock, Par Value	$ 5	$ 5	$ 5
Preferred Stock, Shares Authorized	1,000,000	1,000,000	1,000,000
Common Stock, Par Value	$ 1	$ 1	$ 1
Common Stock, Shares Authorized	20,000,000	20,000,000	20,000,000
Common Stock, Shares Issued	16,094,277	15,625,512	15,625,512
Unallocated ESOP Shares - Shares	117,502	132,296	132,296
Treasury Stock, Shares	4,180,557	4,237,435	4,258,791