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Consolidated Statements of Condition (Parenthetical) - USD ($) $ in Thousands | Jun. 30, 2017 | Dec. 31, 2016
--- | --- | ---
Securities Available-for-sale, pledged |  | $ 899,420 |
Securities held to maturity, pledged |  |  | $ 1,930,533
Securities held to maturity, fair value | [1] |  | 3,813,959
Loans held for sale, covered loans |  | 1,803,724 | 409,152
Other real estate owned covered by loss share agreements |  | $ 237,512 |
Other real estate owned, covered by loss share agreements |  |  | $ 16,990
Preferred stock, par |  | $ 0.01 | $ 0.01
Preferred stock, shares authorized |  | 5,000,000 | 5,000,000
Preferred stock, Series A shares issued |  | 515,000 | 515,000
Preferred stock, Series A shares outstanding |  | 515,000 | 515,000
Common stock, par |  | $ 0.01 | $ 0.01
Common stock, shares authorized |  | 900,000,000 | 900,000,000
Common stock, shares issued |  | 489,060,712 | 487,067,889
Common stock, shares outstanding |  | 489,023,298 | 487,056,676
Treasury stock, shares |  | 37,414 | 11,213
Net unrealized gain (loss) on securities available for sale, tax |  | $ 37,238 | $ 534
Net unrealized loss on the non-credit portion of other-than-temporary impairment losses on securities, tax |  | 3,338 | 3,351
Net unrealized loss on pension and post-retirement obligations, tax |  | 32,614 | $ 34,355
Covered Loans |  |  |
Loans held for sale, covered loans |  | 1,480,733 |
Other real estate owned covered by loss share agreements |  | $ 16,801 |
[1] | Held-to-maturity securities are reported at a carrying amount equal to amortized cost less the non-credit portion of OTTI recorded in AOCL. At December 31, 2016, the non-credit portion of OTTI recorded in AOCL was $8.6 million (before taxes).

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- Definition Amount of other assets held-for-sale that are not part of a disposal group. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 15 -Paragraph 4 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=77912953&loc=d3e400-110220 + Details
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