Other Assets (Narrative) (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Other Assets [Abstract]
Cash surrender value of bank-owned life insurance	$ 278,863,000	$ 271,036,000
Separate account life insurance	31,200,000	30,900,000
Federal Home Loan Bank stock held	76,900,000	65,600,000
Federal Reserve Bank stock held	$ 546,000	$ 535,000