Components of Other Comprehensive Income/(loss) (Schedule of Reclassification from AOCI) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Accumulated Other Comprehensive Income Loss [Line Items]
Amounts reclassifed from AOCI	$ 470	$ 1,011	$ 202	$ 2,094
Securities AFS
Accumulated Other Comprehensive Income Loss [Line Items]
Realized gains/(losses)	0	0	(1,654)	0
Tax expense/(benefit)	0	0	634	0
Amounts reclassifed from AOCI	0	0	(1,020)	0
Cash Flow Hedges
Accumulated Other Comprehensive Income Loss [Line Items]
Realized gains/(losses)	(607)	0	(1,213)	0
Tax expense/(benefit)	233	0	465	0
Amounts reclassifed from AOCI	(374)	0	(748)	0
Pension and Postretirement Plans
Accumulated Other Comprehensive Income Loss [Line Items]
Realized gains/(losses)	1,369	1,647	3,195	3,412
Tax expense/(benefit)	(525)	(636)	(1,225)	(1,318)
Amounts reclassifed from AOCI	$ 844	$ 1,011	$ 1,970	$ 2,094