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Borrowings Under Repurchase Agreements - Summary of Outstanding Balances, Maximum and Average Balances of Borrowings (Detail) - Line of Credit [Member] $ in Thousands | 6 Months Ended
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Jun. 30, 2017 USD ($)
Line of Credit Facility [Line Items] |
Balance at June 30, 2017 | $ 1,340,254
JPMorgan Facility [Member] |
Line of Credit Facility [Line Items] |
Balance at June 30, 2017 | 794,404
Maximum Month-End Balance | 894,031
Average Month-End Balance | 832,685
DB Repurchase Facility [Member] |
Line of Credit Facility [Line Items] |
Balance at June 30, 2017 | 263,980
Maximum Month-End Balance | 367,010
Average Month-End Balance | 297,148
Goldman Loan [Member] |
Line of Credit Facility [Line Items] |
Balance at June 30, 2017 | 37,700
Maximum Month-End Balance | 39,590
Average Month-End Balance | 38,707
UBS Facility [Member] |
Line of Credit Facility [Line Items] |
Balance at June 30, 2017 | 100,798
Maximum Month-End Balance | 133,899
Average Month-End Balance | 111,832
DB Facility [Member] |
Line of Credit Facility [Line Items] |
Balance at June 30, 2017 | 143,372
Maximum Month-End Balance | 177,203
Average Month-End Balance | $ 149,453

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- Definition Average amount borrowed under the credit facility during the period. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Maximum month-end amount borrowed under the credit facility during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: 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(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 5: 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)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Amount, before 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 elected not to be offset. Excludes liabilities not subject to a master netting arrangement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=82849420&loc=SL20226000-175313 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
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