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Accumulated Other Comprehensive Income (Changes in Other Comprehensive Income by Components) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Accumulated Other Comprehensive Income [Line Items] |  |  |
Other-than-temporary impairment losses on investment securities | $ 0 | $ 4,662 | $ 0
Net unrealized gains on securities available for sale |  |  |
Accumulated Other Comprehensive Income [Line Items] |  |  |
Beginning balance | 16,924 | 25,765 | 11,433
Other Comprehensive Income Loss Before Reclassifications Net Of Tax | (14,454) | (3,250) | 14,207
Other-than-temporary impairment losses on investment securities |  | 4,662 |
Reclassification Out Of Accumulated Other Comprehensive Income | (261) | (929) | 125
Other Comprehensive Income (Loss) Other Net Of Tax | (14,715) | (8,841) | 14,332
Ending balance | 2,209 | 16,924 | 25,765
Net unrealized loss on cash flow hedges |  |  |
Accumulated Other Comprehensive Income [Line Items] |  |  |
Beginning balance | (2,927) | (6,054) | (8,242)
Other Comprehensive Income Loss Before Reclassifications Net Of Tax | (1,628) | (3,019) | (5,157)
Other-than-temporary impairment losses on investment securities |  | 0 |
Reclassification Out Of Accumulated Other Comprehensive Income | 3,942 | 6,146 | 7,345
Other Comprehensive Income (Loss) Other Net Of Tax | 2,314 | 3,127 | 2,188
Ending balance | (613) | (2,927) | (6,054)
Accumulated Other Comprehensive Income (Loss) [Member] |  |  |
Accumulated Other Comprehensive Income [Line Items] |  |  |
Beginning balance | 13,997 | 19,711 | 3,191
Other Comprehensive Income Loss Before Reclassifications Net Of Tax | (16,082) | (6,269) | 9,050
Other-than-temporary impairment losses on investment securities |  | 4,662 |
Reclassification Out Of Accumulated Other Comprehensive Income | 3,681 | 5,217 | 7,470
Other Comprehensive Income (Loss) Other Net Of Tax | (12,401) | (5,714) | 16,520
Ending balance | $ 1,596 | $ 13,997 | $ 19,711

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- Definition Amount after tax, before 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 55 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=51821188&loc=d3e1436-108581 Reference 2: 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 + Details
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- Definition The amount of other than temporary impairment losses on investments in debt and equity securities categorized as Available-for-sale which have been recognized in earnings during the period. Such impairment losses consist of other than temporary impairments (OTTI) on equity securities, credit losses on investments in debt securities, and when the entity intends to sell an impaired debt security or it is more likely than not that the entity will be required to sell the impaired debt security before recovery of its amortized cost basis. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 + Details
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