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Fair Value - Carrying Value and Fair Value (Details) - USD ($) $ in Thousands | 1 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Aug. 31, 2016 | Sep. 30, 2016 | Dec. 31, 2016 | Dec. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Deferred financing costs, net |  |  | $ 51,636 |
Asset-backed securitization |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Deferred financing costs, net |  |  | 48,400 | $ 56,567
Reported Value Measurement |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Asset-backed securitization, fair value |  |  | 2,491,234 | 2,530,210
Convertible debt, fair value |  |  | 108,148 | 0
Secured notes payable, fair value |  |  | 49,828 | 50,752
Secured debt, fair value |  |  | 325,000 | 0
Total debt, fair value |  |  | 2,974,210 | 2,580,962
Reported Value Measurement | 2014-SFR 1 |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Asset-backed securitization, fair value |  |  | 456,074 | 473,755
Reported Value Measurement | 2014-SFR 2 |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Asset-backed securitization, fair value |  |  | 501,810 | 507,305
Reported Value Measurement | 2014-SFR 3 |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Asset-backed securitization, fair value |  |  | 517,827 | 523,109
Reported Value Measurement | 2015-SFR 1 |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Asset-backed securitization, fair value |  |  | 543,480 | 549,121
Reported Value Measurement | 2015-SFR 2 |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Asset-backed securitization, fair value |  |  | 472,043 | 476,920
Estimate of Fair Value Measurement | Significant Unobservable Inputs (Level 3) |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Asset-backed securitization, fair value |  |  | 2,544,423 | 2,368,964
Convertible debt, fair value |  |  | 142,808 | 0
Secured notes payable, fair value |  |  | 50,053 | 48,631
Secured debt, fair value |  |  | 325,000 | 0
Total debt, fair value |  |  | 3,062,284 | 2,417,595
Estimate of Fair Value Measurement | 2014-SFR 1 | Significant Unobservable Inputs (Level 3) |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Asset-backed securitization, fair value |  |  | 465,343 | 472,258
Estimate of Fair Value Measurement | 2014-SFR 2 | Significant Unobservable Inputs (Level 3) |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Asset-backed securitization, fair value |  |  | 510,941 | 476,952
Estimate of Fair Value Measurement | 2014-SFR 3 | Significant Unobservable Inputs (Level 3) |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Asset-backed securitization, fair value |  |  | 530,549 | 489,448
Estimate of Fair Value Measurement | 2015-SFR 1 | Significant Unobservable Inputs (Level 3) |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Asset-backed securitization, fair value |  |  | 553,689 | 496,673
Estimate of Fair Value Measurement | 2015-SFR 2 | Significant Unobservable Inputs (Level 3) |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Asset-backed securitization, fair value |  |  | 483,901 | $ 433,633
Secured Debt | Term Loan Facility |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Deferred financing costs, net |  |  | $ 3,300 |
LIBOR | Secured Debt | Term Loan Facility |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Basis spread on variable rate |  | 1.80% |  |
LIBOR | Minimum | Secured Debt | Term Loan Facility |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Basis spread on variable rate | 1.70% |  |  |
LIBOR | Maximum | Secured Debt | Term Loan Facility |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Basis spread on variable rate | 2.30% |  |  |
Base Rate | Minimum | Secured Debt | Term Loan Facility |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Basis spread on variable rate | 0.70% |  |  |
Base Rate | Maximum | Secured Debt | Term Loan Facility |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Basis spread on variable rate | 1.30% |  |  |

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- Definition Fair value portion of borrowing which can be exchanged for a specified number of another security at the option of the issuer or the holder, for example, but not limited to, the entity's common stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Convertible Security -URI http://asc.fasb.org/extlink&oid=6509036 + Details
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- Definition Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13433-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13476-108611 + Details
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- Definition Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399 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 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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