v3.8.0.1

Schedule of Reverse Repurchase Agreements by Maturity (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2017 | Dec. 31, 2016
Borrowings [Line Items] |  |  |
Reverse repurchase agreements | [1] | $ 1,029,810 | $ 1,033,581
Debt, Weighted Average Interest Rate |  | 1.65% | 1.32%
Remaining Days to Maturity, Reverse Repurchase Agreements |  | 48 days | 56 days
Agency residential mortgage-backed securities [Member] |  |  |
Borrowings [Line Items] |  |  |
Reverse repurchase agreements |  | $ 768,418 | $ 790,312
Debt, Weighted Average Interest Rate |  | 1.33% | 0.89%
Remaining Days to Maturity, Reverse Repurchase Agreements |  | 43 days | 41 days
Agency residential mortgage-backed securities [Member] | Maturity up to 30 days [Member] |  |  |
Borrowings [Line Items] |  |  |
Reverse repurchase agreements |  | $ 281,543 | $ 405,725
Debt, Weighted Average Interest Rate |  | 1.28% | 0.83%
Remaining Days to Maturity, Reverse Repurchase Agreements |  | 15 days | 18 days
Agency residential mortgage-backed securities [Member] | Maturity 31 to 60 days [Member] |  |  |
Borrowings [Line Items] |  |  |
Reverse repurchase agreements |  | $ 263,601 | $ 195,288
Debt, Weighted Average Interest Rate |  | 1.33% | 0.94%
Remaining Days to Maturity, Reverse Repurchase Agreements |  | 44 days | 45 days
Agency residential mortgage-backed securities [Member] | Maturity 61 to 90 days [Member] |  |  |
Borrowings [Line Items] |  |  |
Reverse repurchase agreements |  | $ 184,448 | $ 149,965
Debt, Weighted Average Interest Rate |  | 1.39% | 0.97%
Remaining Days to Maturity, Reverse Repurchase Agreements |  | 75 days | 74 days
Agency residential mortgage-backed securities [Member] | Maturity 91 to 120 days [Member] |  |  |
Borrowings [Line Items] |  |  |
Reverse repurchase agreements |  | $ 38,826 | $ 8,240
Debt, Weighted Average Interest Rate |  | 1.40% | 0.83%
Remaining Days to Maturity, Reverse Repurchase Agreements |  | 103 days | 102 days
Agency residential mortgage-backed securities [Member] | Maturity 121 to 150 days [Member] |  |  |
Borrowings [Line Items] |  |  |
Reverse repurchase agreements |  | $ 0 | $ 11,798
Debt, Weighted Average Interest Rate |  | 0.00% | 0.96%
Remaining Days to Maturity, Reverse Repurchase Agreements |  | 0 days | 131 days
Agency residential mortgage-backed securities [Member] | Maturity 151 to 180 days [Member] |  |  |
Borrowings [Line Items] |  |  |
Reverse repurchase agreements |  | $ 0 | $ 19,296
Debt, Weighted Average Interest Rate |  | 0.00% | 1.05%
Remaining Days to Maturity, Reverse Repurchase Agreements |  | 0 days | 164 days
Credit Portfolio [Member] |  |  |
Borrowings [Line Items] |  |  |
Reverse repurchase agreements |  | $ 255,672 | $ 237,841
Debt, Weighted Average Interest Rate |  | 2.61% | 2.75%
Remaining Days to Maturity, Reverse Repurchase Agreements |  | 60 days | 105 days
Credit Portfolio [Member] | Maturity up to 30 days [Member] |  |  |
Borrowings [Line Items] |  |  |
Reverse repurchase agreements |  | $ 64,719 | $ 94,849
Debt, Weighted Average Interest Rate |  | 1.79% | 2.55%
Remaining Days to Maturity, Reverse Repurchase Agreements |  | 7 days | 16 days
Credit Portfolio [Member] | Maturity 31 to 60 days [Member] |  |  |
Borrowings [Line Items] |  |  |
Reverse repurchase agreements |  | $ 83,826 | $ 26,974
Debt, Weighted Average Interest Rate |  | 2.77% | 2.36%
Remaining Days to Maturity, Reverse Repurchase Agreements |  | 47 days | 47 days
Credit Portfolio [Member] | Maturity 61 to 90 days [Member] |  |  |
Borrowings [Line Items] |  |  |
Reverse repurchase agreements |  | $ 52,247 | $ 41,522
Debt, Weighted Average Interest Rate |  | 2.19% | 2.43%
Remaining Days to Maturity, Reverse Repurchase Agreements |  | 72 days | 77 days
Credit Portfolio [Member] | Maturity 91 to 120 days [Member] |  |  |
Borrowings [Line Items] |  |  |
Reverse repurchase agreements |  | $ 34,783 | $ 10,084
Debt, Weighted Average Interest Rate |  | 3.82% | 2.91%
Remaining Days to Maturity, Reverse Repurchase Agreements |  | 103 days | 97 days
Credit Portfolio [Member] | Maturity 121 to 150 days [Member] |  |  |
Borrowings [Line Items] |  |  |
Reverse repurchase agreements |  | $ 3,338 | $ 1,239
Debt, Weighted Average Interest Rate |  | 3.04% | 2.73%
Remaining Days to Maturity, Reverse Repurchase Agreements |  | 126 days | 124 days
Credit Portfolio [Member] | Maturity 151 to 180 days [Member] |  |  |
Borrowings [Line Items] |  |  |
Reverse repurchase agreements |  | $ 8,991 | $ 12,616
Debt, Weighted Average Interest Rate |  | 3.63% | 3.17%
Remaining Days to Maturity, Reverse Repurchase Agreements |  | 164 days | 165 days
Credit Portfolio [Member] | Maturity 181 to 360 days [Member] |  |  |
Borrowings [Line Items] |  |  |
Reverse repurchase agreements |  | $ 7,768 | $ 50,557
Debt, Weighted Average Interest Rate |  | 3.72% | 3.46%
Remaining Days to Maturity, Reverse Repurchase Agreements |  | 234 days | 316 days
US Treasury Securities [Member] |  |  |
Borrowings [Line Items] |  |  |
Reverse repurchase agreements |  | $ 5,720 | $ 5,428
Debt, Weighted Average Interest Rate |  | 1.30% | 0.91%
Remaining Days to Maturity, Reverse Repurchase Agreements |  | 2 days | 4 days
US Treasury Securities [Member] | Maturity up to 30 days [Member] |  |  |
Borrowings [Line Items] |  |  |
Reverse repurchase agreements |  | $ 5,720 | $ 5,428
Debt, Weighted Average Interest Rate |  | 1.30% | 0.91%
Remaining Days to Maturity, Reverse Repurchase Agreements |  | 2 days | 4 days
[1] | In the Company's Consolidated Statement of Assets, Liabilities, and Equity, all balances associated with repurchase agreements, reverse repurchase agreements, and financial derivatives are presented on a gross basis.

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- Definition Weighted average maturity (weighted by amount of the agreement) of repurchase agreements (agreements to sell securities and repurchase at a later date) at period end, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Amount, after the effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(m)(1)(a)(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13(1)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=82849420&loc=SL20226008-175313 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=49176635&loc=d3e9760-107771 + Details
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