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Consolidation Statements of Comprehensive Income - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2016 | Mar. 31, 2015
Net income | $ 37,032 | $ 39,708
Unrealized holding gains arising during period | 42,729 | 15,586
Amount reclassified into net income: Held-to-maturity securities | (47) | (170)
Amount reclassified into net income: Non-credit other-than-temporary impairments | 0 | 232
Amount reclassified into net income: Realized losses (gains) on available-for-sale securities | 1,754 | (12,932)
Total unrealized gains on investment securities | 44,436 | 2,716
Amount reclassified into net income: Net actuarial loss | 986 | 1,111
Total defined benefit pension and post-retirement plans | 986 | 1,111
Other comprehensive income | 45,422 | 3,827
Comprehensive income | $ 82,454 | $ 43,535

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- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Other Comprehensive Income -URI http://asc.fasb.org/extlink&oid=51831270 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Comprehensive Income -URI http://asc.fasb.org/extlink&oid=51831223 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e557-108580 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Net Income -URI http://asc.fasb.org/extlink&oid=51831255 + Details
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