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Accumulated Other Comprehensive Loss (Schedule of Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2017 | Dec. 31, 2016
Beginning balance | $ (21,465) | $ (18,944)
Other comprehensive income/(loss) before reclassifications | 257 | (3,441)
Amounts reclassified from accumulated other comprehensive income | 248 | 920
Ending balance | (20,960) | (21,465)
Investment securities- with OTTI [Member] |  |
Beginning balance | (2,368) | (1,942)
Other comprehensive income/(loss) before reclassifications | 100 | (421)
Amounts reclassified from accumulated other comprehensive income | (2) | (5)
Ending balance | (2,270) | (2,368)
Investment Securities -All Other AFS [Member] |  |
Beginning balance | (3,218) | (2,024)
Other comprehensive income/(loss) before reclassifications | 73 | (929)
Amounts reclassified from accumulated other comprehensive income | 5 | (265)
Ending balance | (3,140) | (3,218)
Investment Securities HTM [Member] |  |
Beginning balance | (1,354) | (1,971)
Other comprehensive income/(loss) before reclassifications | 0 | 0
Amounts reclassified from accumulated other comprehensive income | 61 | 617
Ending balance | (1,293) | (1,354)
Cash Flow Hedge (OCI) [Member] |  |
Beginning balance | 422 | (39)
Other comprehensive income/(loss) before reclassifications | 52 | 461
Amounts reclassified from accumulated other comprehensive income | 0 | 0
Ending balance | 474 | 422
Pension Plan [Member] |  |
Beginning balance | (14,232) | (12,663)
Other comprehensive income/(loss) before reclassifications | 32 | (2,086)
Amounts reclassified from accumulated other comprehensive income | 162 | 517
Ending balance | (14,038) | (14,232)
SERP [Member] |  |
Beginning balance | (715) | (305)
Other comprehensive income/(loss) before reclassifications | 0 | (466)
Amounts reclassified from accumulated other comprehensive income | 22 | 56
Ending balance | $ (693) | $ (715)

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- Definition Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e637-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e681-108580 Reference 3: 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=36458714&loc=SL7669686-108580 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 31 -Article 5 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 + Details
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