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Fair Value - Carrying Value and Fair Value (Details) - USD ($) | 9 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2018 | Dec. 31, 2017 | Oct. 31, 2017
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |
Deferred financing costs, net | $ 37,876,000 | $ 38,026,000 |
Gain on derivative recorded in other comprehensive income | 9,600,000 |  |
Treasury Lock | Designated as Hedging Instrument |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |
Derivative, notional amount |  |  | $ 350,000,000
Revolving Credit Facility |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |
Deferred financing costs, net | $ 7,400,000 | 8,800,000 |
Line of Credit | Revolving Credit Facility | LIBOR | Minimum |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |
Debt instrument, basis spread on variable rate | 0.825% |  |
Line of Credit | Revolving Credit Facility | LIBOR | Maximum |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |
Debt instrument, basis spread on variable rate | 1.55% |  |
Line of Credit | Revolving Credit Facility | Base Rate | Minimum |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |
Debt instrument, basis spread on variable rate | 0.00% |  |
Line of Credit | Revolving Credit Facility | Base Rate | Maximum |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |
Debt instrument, basis spread on variable rate | 0.55% |  |
Significant Other Observable Inputs (Level 2) | Recurring |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |
Derivative asset | $ 0 | 75,000 |
Asset-backed securitization |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |
Deferred financing costs, net | 32,300,000 | 36,000,000 |
Term Loan facility | Line of Credit |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |
Deferred financing costs, net | $ 800,000 | 2,000,000 |
Term Loan facility | Line of Credit | LIBOR | Minimum |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |
Debt instrument, basis spread on variable rate | 0.90% |  |
Term Loan facility | Line of Credit | LIBOR | Maximum |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |
Debt instrument, basis spread on variable rate | 1.75% |  |
Term Loan facility | Line of Credit | Base Rate | Minimum |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |
Debt instrument, basis spread on variable rate | 0.00% |  |
Term Loan facility | Line of Credit | Base Rate | Maximum |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |
Debt instrument, basis spread on variable rate | 0.75% |  |
Unsecured Senior Notes |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |
Deferred financing costs, net | $ 4,800,000 | 0 |
Carrying Value |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |
Asset-backed securitization | 1,997,688,000 | 2,013,357,000 |
Unsecured senior notes, net | 497,384,000 | 0 |
Exchangeable senior notes, net | 114,507,000 | 111,697,000 |
Secured note payable | 0 | 48,859,000 |
Revolving credit facility | 0 | 140,000,000 |
Term loan facility | 100,000,000 | 200,000,000 |
Total debt | 2,709,579,000 | 2,513,913,000 |
Carrying Value | 2014-SFR 2 |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |
Asset-backed securitization | 492,478,000 | 496,326,000 |
Carrying Value | 2014-SFR 3 |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |
Asset-backed securitization | 508,080,000 | 512,041,000 |
Carrying Value | 2015-SFR 1 |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |
Asset-backed securitization | 533,578,000 | 537,723,000 |
Carrying Value | 2015-SFR 2 |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |
Asset-backed securitization | 463,552,000 | 467,267,000 |
Fair Value | Significant Unobservable Inputs (Level 3) |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |
Asset-backed securitization | 2,024,287,000 | 2,046,406,000 |
Unsecured senior notes, net | 477,805,000 | 0 |
Exchangeable senior notes, net | 144,135,000 | 147,462,000 |
Secured note payable | 0 | 49,027,000 |
Revolving credit facility | 0 | 140,000,000 |
Term loan facility | 100,000,000 | 200,000,000 |
Total debt | 2,746,227,000 | 2,582,895,000 |
Fair Value | 2014-SFR 2 | Significant Unobservable Inputs (Level 3) |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |
Asset-backed securitization | 498,510,000 | 504,730,000 |
Fair Value | 2014-SFR 3 | Significant Unobservable Inputs (Level 3) |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |
Asset-backed securitization | 516,519,000 | 521,252,000 |
Fair Value | 2015-SFR 1 | Significant Unobservable Inputs (Level 3) |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |
Asset-backed securitization | 538,414,000 | 544,592,000 |
Fair Value | 2015-SFR 2 | Significant Unobservable Inputs (Level 3) |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |
Asset-backed securitization | $ 470,844,000 | $ 475,832,000 |

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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