Balance Sheet Parenthetical (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013
Held-to-Maturity Securities, at Fair Value	$ 302,567	$ 302,305	$ 278,390
Preferred Stock, Par Value, in Dollars Per Share	$ 5	$ 5	$ 5
Preferred Stock, Shares Authorized, in Shares	1,000,000	1,000,000	1,000,000
Common Stock, Par Value, in Dollars Per Share	$ 1	$ 1	$ 1
Common Stock, Shares Authorized, in Shares	20,000,000	20,000,000	20,000,000
Common Stock, Shares Issued, in Shares	17,079,376	16,744,486	16,744,486
Unallocated ESOP Shares, in Shares	71,740	87,641	87,641
Treasury Stock, in Shares	4,402,932	4,296,723	4,327,741