Accumulated Other Comprehensive Income (Loss) (AOCI Components Pre Post & Tax Effect) (Details 1) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Other Comprehensive Loss, Before Tax:    
Net Unrealized Losses Arising During the Period $ 10,697 $ (12,595)
Less: Reclassification Adjustment for Gains Realized in Net Income (333) (3,307)
Net Unrealized Losses on Investment Securities 10,364 (15,902)
Net Actuarial Losses Arising During the Period   (206)
Amortization of Net Actuarial Losses 339 414
Amortization of Prior Service Credit (81) (80)
Defined Benefit Plans, Net 258 128
Other Comprehensive Loss 10,622 (15,774)
Other Comprehensive Loss, Tax Effect:    
Net Unrealized Losses Arising During the Period 4,224 (4,957)
The tax effect of other comprehensive income reclassification for gain/loss on sale of securities included in net income and amortization of gains/losses on AFS Securities transferred to HTM. (131) (1,304)
Tax effect on Unrealized gain/loss on Investment Securities 4,093 (6,261)
Net Actuarial Losses Arising During the Period   (81)
Amortization of Net Actuarial Losses 134 163
Amortization of Prior Service Credit (32) (32)
Defined Benefit Plans, Net 102 50
Other Comprehensive Loss 4,195 (6,211)
Other Comprehensive Loss, Net of Tax:    
Net Unrealized Losses Arising During the Period 6,473 (7,638)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax (202) (2,003)
Net Unrealized Gain/Loss on Investment Securities, net of tax 6,271 (9,641)
Net Actuarial Losses Arising During the Period   (125)
Amortization of Net Actuarial Losses 205 251
Amortization of Prior Service Credit (49) (48)
Defined Benefit Plans, Net 156 78
Total Other Comprehensive Income (Loss) $ 6,427 $ (9,563)