Stockholders' Equity (Details 3) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Amounts Reclassified from AOCI
Realized gain on sale of securities	$ (9,971)	$ (10,485)
OTTI recognized in earnings	(414)	0
Accumulated Other Comprehensive Income/(Loss)
Unrealized losses recorded in AOCI on securities for which Other-than-temporary impairments had been recognized in earnings in prior periods	872		$ 1,700
Available-for-sale MBS
Amounts Reclassified from AOCI
Total reclassifications for period	(10,385)	(10,485)
Amounts Reclassified from AOCI
Amounts Reclassified from AOCI
OTTI recognized in earnings	(414)
Total AFS Securities	(10,385)	(10,485)
Amounts Reclassified from AOCI \| Available-for-sale MBS
Amounts Reclassified from AOCI
Realized gain on sale of securities	(9,971)	(10,485)
Total reclassifications for period	$ (10,385)	$ (10,485)

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Total of accumulated other comprehensive loss related to that portion of other than temporary impairment (OTTI) due to factors other than credit losses on debt securities categorized either as available-for-sale or held-to-maturity that an entity does not intend to sell and which it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis of the debt security. The amount represented by this item is net of tax, as applicable.

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Amount after tax and reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.

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The amount of other than temporary impairment (OTTI) losses on equity securities, OTTI related to credit losses on debt securities, and OTTI losses on debt securities when the entity intends to sell the securities or it is more likely than not that the entity will be required to sell the securities before recovery of its amortized cost basis. Additionally, this item includes OTTI losses recognized during the period on investments accounted for under the cost method of accounting.

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Amount after tax of reclassification adjustments of other comprehensive income (loss).

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