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Components of Other Comprehensive Income/(loss) (Schedule of Reclassification from AOCI) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016
Accumulated Other Comprehensive Income Loss [Line Items] |  |
Amounts reclassifed from AOCI | $ 294 | $ (268)
Securities AFS |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |
Realized gains/(losses) | (44) | (1,654)
Tax expense/(benefit) | 17 | 634
Amounts reclassifed from AOCI | (27) | (1,020)
Cash Flow Hedges |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |
Realized gains/(losses) | (1,380) | (606)
Tax expense/(benefit) | 528 | 232
Amounts reclassifed from AOCI | (852) | (374)
Pension and Postretirement Plans |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |
Realized gains/(losses) | 1,900 | 1,826
Tax expense/(benefit) | (727) | (700)
Amounts reclassifed from AOCI | $ 1,173 | $ 1,126

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- Definition Amount before tax of reclassification adjustments of other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=66004124&loc=SL7669686-108580 + Details
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