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Accumulated Other Comprehensive Income (Reclassifications out of other comprehensive income) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Residual tax effect from OIB's change in applicable tax rate AFS	$ 8	$ 8
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Interest Rate Contract	149	1,450
Tax effect from increase in capital gains tax rate, Cash flow hedges	0	129
Other-than-temporary impairment amount reclassified from accumulated other comprehensive income	0	(2,557)
Residual tax effect from OIB's change in applicable tax rate AFS	8	8
Tax effect from increase in capital gains tax rate AFS	(74)	(74)
Total	$ 83	$ 4,070

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Net Income Loss Attributable to Reclassifications Made Out of Other Comprehensive Income

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- Definition

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The amount by which the fair value of an investment in debt and equity securities categorized as Available-for-sale is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

+ 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

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