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Debt - Narrative (Details) |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended |
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Nov. 15, 2018 USD ($) | Feb. 29, 2016 USD ($) day | Feb. 28, 2018 USD ($) | Sep. 30, 2015 USD ($) single_family_property | Mar. 31, 2015 USD ($) property | Dec. 31, 2014 USD ($) property | Nov. 30, 2014 USD ($) property | Sep. 30, 2014 USD ($) property | May 31, 2014 USD ($) floating_rate_component property extension_option | Jun. 30, 2018 USD ($) | Mar. 31, 2017 USD ($) | Dec. 31, 2018 USD ($) single_family_property property extension_option | Dec. 31, 2017 USD ($) single_family_property property | Dec. 31, 2016 USD ($) property | Jun. 30, 2017 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan payoff amount |  |  |  |  |  |  |  |  |  |  |  | $ 20,847,000 | $ 477,879,000 | $ 381,117,000 |
Gain (loss) on extinguishment of debt |  |  |  |  |  |  |  |  |  |  |  | (1,447,000) | (6,555,000) | (13,408,000) |
Single-family properties |  |  |  |  |  |  |  |  |  |  |  | 8,020,597,000 | 8,029,177,000 |  |
Proceeds from unsecured senior notes, net of discount |  |  |  |  |  |  |  |  |  |  |  | 497,210,000 | 0 | 0 |
Deferred financing costs, net |  |  |  |  |  |  |  |  |  |  |  | $ 36,421,000 | 38,026,000 |  |
Minimum coverage ratio |  |  |  |  |  |  |  |  |  |  |  | 1.20 |  |  |
Debt instrument, unamortized discount |  |  |  |  |  |  |  |  |  |  |  | $ 2,546,000 | 895,000 |  |
Exchangeable senior notes, net |  |  |  |  |  |  |  |  |  |  |  | 0 | 111,697,000 |  |
Debt instrument, convertible, carrying amount of equity component |  |  |  |  |  |  |  |  |  |  |  | 0 | 2,408,000 |  |
Payments on secured note payable |  |  |  |  |  |  |  |  |  |  |  | 49,427,000 | 969,000 | 924,000 |
Total debt |  |  |  |  |  |  |  |  |  |  |  | 2,842,510,000 | 2,517,216,000 |  |
Designated as Hedging Instrument | Treasury Lock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative interest rate |  |  | 4.08% |  |  |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments on credit facility |  |  |  |  |  |  |  |  |  |  |  | 295,000,000 | 112,000,000 | $ 951,000,000 |
Deferred financing costs, net |  |  |  |  |  |  |  |  |  |  |  | $ 6,900,000 | $ 8,800,000 |  |
American Residential Properties Inc. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase price |  | $ 1,322,461,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Ellington Portfolio Acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  | 4.06% |  |  |  |  |  |  |  |  |
Number of properties acquired | property |  |  |  |  |  | 914 |  |  |  |  |  |  |  |  |
Number of properties treated as collateral | property |  |  |  |  |  | 583 |  |  |  |  |  |  |  |  |
Minimum debt service coverage ratio |  |  |  |  |  | 1.47 |  |  |  |  |  |  |  |  |
Single family homes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of properties | single_family_property |  |  |  |  |  |  |  |  |  |  |  | 52,783 | 51,239 |  |
Encumbered Properties |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of properties | property |  |  |  |  |  |  |  |  |  |  |  | 18,009 | 18,334 |  |
Single-family properties |  |  |  |  |  |  |  |  |  |  |  | $ 2,548,384,000 | $ 2,701,311,000 |  |
2014-SFR 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan payoff amount |  |  |  |  |  |  |  |  |  |  |  |  | $ 455,400,000 |  |
Debt instrument term |  |  |  |  |  |  |  |  | 2 years |  |  |  |  |  |
Interest rate cap agreement strike rate |  |  |  |  |  |  |  |  | 3.85% |  |  |  |  |  |
Period of extension options |  |  |  |  |  |  |  |  | 12 months |  |  |  |  |  |
2014-SFR 1 | Single family homes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
LIBOR floor rate |  |  |  |  |  |  |  |  | 0.25% |  |  |  |  |  |
Number of debt instrument extension options | extension_option |  |  |  |  |  |  |  |  | 3 |  |  |  |  |  |
Proceeds from asset-backed securitizations |  |  |  |  |  |  |  |  | $ 481,000,000 |  |  |  |  |  |
Debt issuance cost |  |  |  |  |  |  |  |  | $ 14,900,000 |  |  |  |  |  |
2014-SFR 1 | Single family homes | LIBOR |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest margin on reference rate |  |  |  |  |  |  |  |  | 1.54% |  |  |  |  |  |
2014-SFR 1 | Property disqualified from collateral pool | Single family homes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of homes pledged as collateral and released | property |  |  |  |  |  |  |  |  |  |  |  |  | 3,799 | 2,875 |
Release of restricted cash collateral for borrowed securities |  |  |  |  |  |  |  |  |  |  | $ (9,400,000) |  |  | $ (10,100,000) |
2014-SFR 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of homes pledged as collateral and released | property |  |  |  |  |  |  |  |  |  |  |  | 0 | 3 |  |
Collateral, number of properties substituted | property |  |  |  |  |  |  |  |  |  |  |  | 65 | 0 |  |
Total release price |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 400,000 |  |
2014-SFR 2 | Single family homes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan payoff amount |  |  |  |  |  |  |  | $ 25,700,000 |  |  |  |  |  |  |
Number of properties | property |  |  |  |  |  |  |  | 4,487 |  |  |  |  |  |  |
Debt instrument, face amount |  |  |  |  |  |  |  | $ 513,300,000 |  |  |  |  |  |  |
Debt instrument term |  |  |  |  |  |  |  | 10 years |  |  |  |  |  |  |
Proceeds from asset-backed securitizations |  |  |  |  |  |  |  | $ 487,700,000 |  |  |  |  |  |  |
Debt issuance cost |  |  |  |  |  |  |  | $ 12,900,000 |  |  |  |  |  |  |
Weighted-average interest rate |  |  |  |  |  |  |  | 4.42% |  |  |  |  |  |  |
2014-SFR 2 | Encumbered Properties |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of properties | property |  |  |  |  |  |  |  |  |  |  |  | 4,546 | 4,481 |  |
Single-family properties |  |  |  |  |  |  |  |  |  |  |  | $ 611,279,000 | $ 627,988,000 |  |
2014-SFR 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of homes pledged as collateral and released | property |  |  |  |  |  |  |  |  |  |  |  | 0 | 4 |  |
Collateral, number of properties substituted | property |  |  |  |  |  |  |  |  |  |  |  | 89 | 0 |  |
Total release price |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 500,000 |  |
2014-SFR 3 | Single family homes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of properties | property |  |  |  |  |  |  | 4,503 |  |  |  |  |  |  |  |
Debt instrument, face amount |  |  |  |  |  |  | $ 528,400,000 |  |  |  |  |  |  |  |
Debt instrument term |  |  |  |  |  |  | 10 years |  |  |  |  |  |  |  |
Debt issuance cost |  |  |  |  |  |  | $ 12,900,000 |  |  |  |  |  |  |  |
Weighted-average interest rate |  |  |  |  |  |  | 4.40% |  |  |  |  |  |  |  |
2014-SFR 3 | Encumbered Properties |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of properties | property |  |  |  |  |  |  |  |  |  |  |  | 4,588 | 4,499 |  |
Single-family properties |  |  |  |  |  |  |  |  |  |  |  | $ 662,068,000 | $ 680,788,000 |  |
2015-SFR 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of homes pledged as collateral and released | property |  |  |  |  |  |  |  |  |  |  |  | 0 | 2 |  |
Collateral, number of properties substituted | property |  |  |  |  |  |  |  |  |  |  |  | 39 | 0 |  |
Total release price |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 200,000 |  |
2015-SFR 1 | Special Purpose Entity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount |  |  |  |  | $ 552,800,000 |  |  |  |  |  |  |  |  |  |
Debt instrument term |  |  |  |  | 30 years |  |  |  |  |  |  |  |  |  |
Weighted-average interest rate |  |  |  |  | 4.14% |  |  |  |  |  |  |  |  |  |
2015-SFR 1 | Single family homes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from asset-backed securitizations |  |  |  |  | $ 552,800,000 |  |  |  |  |  |  |  |  |  |
Debt issuance cost |  |  |  |  | $ 13,300,000 |  |  |  |  |  |  |  |  |  |
2015-SFR 1 | Encumbered Properties |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of properties | property |  |  |  |  |  |  |  |  |  |  |  | 4,697 | 4,658 |  |
Single-family properties |  |  |  |  |  |  |  |  |  |  |  | $ 662,202,000 | $ 685,055,000 |  |
2015-SFR 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of homes pledged as collateral and released | property |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |
Collateral, number of properties substituted | property |  |  |  |  |  |  |  |  |  |  |  | 55 |  |  |
Total release price |  |  |  |  |  |  |  |  |  |  |  | $ 100,000 |  |  |
2015-SFR 2 | Special Purpose Entity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount |  |  |  | $ 477,700,000 |  |  |  |  |  |  |  |  |  |  |
Debt instrument term |  |  |  | 30 years |  |  |  |  |  |  |  |  |  |  |
Proceeds from asset-backed securitizations |  |  |  | $ 477,700,000 |  |  |  |  |  |  |  |  |  |  |
Debt issuance cost |  |  |  | $ 11,300,000 |  |  |  |  |  |  |  |  |  |  |
Weighted-average interest rate |  |  |  | 4.36% |  |  |  |  |  |  |  |  |  |  |
2015-SFR 2 | Single family homes | Special Purpose Entity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of properties | single_family_property |  |  |  | 4,125 |  |  |  |  |  |  |  |  |  |  |
2015-SFR 2 | Encumbered Properties |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of properties | property |  |  |  |  |  |  |  |  |  |  |  | 4,178 | 4,124 |  |
Single-family properties |  |  |  |  |  |  |  |  |  |  |  | $ 612,835,000 | $ 635,612,000 |  |
Notes Payable | Ellington Portfolio Acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase price |  |  |  |  |  | $ 51,600,000 |  |  |  |  |  |  |  |  |
Notes Payable | 2014-SFR 1 | Special Purpose Entity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of properties | property |  |  |  |  |  |  |  |  | 3,852 |  |  |  |  |  |
Debt instrument, face amount |  |  |  |  |  |  |  |  | $ 481,000,000 |  |  |  |  |  |
Number of floating rate loan components | floating_rate_component |  |  |  |  |  |  |  |  | 6 |  |  |  |  |  |
Notes Payable | 2015-SFR 1 | Special Purpose Entity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of properties | property |  |  |  |  | 4,661 |  |  |  |  |  |  |  |  |  |
Term loan facility, net |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments on credit facility |  |  |  |  |  |  |  |  |  |  |  | 100,000,000 | 100,000,000 | 0 |
Credit Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, accordion feature, higher borrowing capacity option |  |  |  |  |  |  |  |  |  |  |  | 1,750,000,000 |  |  |
Credit Agreement | Revolving Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,000,000,000 |
Secured Debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total debt |  |  |  |  |  |  |  |  |  |  |  | $ 1,992,510,000 | $ 2,013,357,000 |  |
Secured Debt | Encumbered Properties |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of properties | property |  |  |  |  |  |  |  |  |  |  |  | 0 | 572 |  |
Single-family properties |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 71,868,000 |  |
Secured Debt | 2014-SFR 1 | Special Purpose Entity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on extinguishment of debt |  |  |  |  |  |  |  |  |  |  | $ (6,600,000) |  |  | (10,700,000) |
Secured Debt | Notes Payable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan payoff amount |  |  |  |  |  |  |  |  |  |  |  | $ 48,400,000 |  |  |
Gain (loss) on extinguishment of debt |  |  |  |  |  |  |  |  |  | $ (500,000) |  |  |  |  |
Number of homes pledged as collateral and released | property |  |  |  |  |  |  |  |  |  |  |  | 572 |  |  |
Release of restricted cash collateral for borrowed securities |  |  |  |  |  |  |  |  |  |  |  | $ (2,100,000) |  |  |
Payments on secured note payable |  |  |  |  |  |  |  |  |  | $ 48,400,000 |  |  |  |  |
Total debt |  |  |  |  |  |  |  |  |  |  |  | $ 0 | 48,859,000 |  |
Line of Credit | Revolving Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of debt instrument extension options | extension_option |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |
Credit facility maximum borrowing capacity |  |  |  |  |  |  |  |  |  |  |  | $ 200,000,000.0 |  |  | $ 800,000,000
Line of credit extension period |  |  |  |  |  |  |  |  |  |  |  | 6 months |  |  |
Total debt |  |  |  |  |  |  |  |  |  |  |  | $ 250,000,000 | 140,000,000 |  |
Line of Credit | Revolving Credit Facility | LIBOR |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  |  |  |  |  | 1.20% |  |  |
Line of Credit | Minimum | Revolving Credit Facility | LIBOR |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  |  |  |  |  | 0.825% |  |  |
Line of Credit | Minimum | Revolving Credit Facility | Base Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  |  |  |  |  | 0.00% |  |  |
Line of Credit | Maximum | Revolving Credit Facility | LIBOR |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  |  |  |  |  | 1.55% |  |  |
Line of Credit | Maximum | Revolving Credit Facility | Base Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  |  |  |  |  | 0.55% |  |  |
Line of Credit | Special Purpose Entity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on extinguishment of debt |  |  |  |  |  |  |  |  |  |  |  |  |  | $ (2,700,000) |
Line of Credit | Term loan facility, net |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments on credit facility |  |  |  |  |  |  |  |  |  |  |  | $ 100,000,000 |  |  |
Write off of deferred debt issuance costs |  |  |  |  |  |  |  |  |  |  |  | 900,000 |  |  |
Deferred financing costs, net |  |  |  |  |  |  |  |  |  |  |  | 800,000 | 2,000,000 |  |
Total debt |  |  |  |  |  |  |  |  |  |  |  | $ 100,000,000 | 200,000,000 |  |
Line of Credit | Term loan facility, net | LIBOR |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  |  |  |  |  | 1.35% |  |  |
Line of Credit | Term loan facility, net | Minimum | LIBOR |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  |  |  |  |  | 0.90% |  |  |
Line of Credit | Term loan facility, net | Minimum | Base Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  |  |  |  |  | 0.00% |  |  |
Line of Credit | Term loan facility, net | Maximum | LIBOR |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  |  |  |  |  | 1.75% |  |  |
Line of Credit | Term loan facility, net | Maximum | Base Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  |  |  |  |  | 0.75% |  |  |
Senior notes | 4.25% Senior Notes Due 2028 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount |  |  | $ 500,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  | 4.25% |  |  |  |  |  |  |  |  | 4.25% |  |  |
Proceeds from unsecured senior notes, net of discount |  |  | $ 494,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Underwriting fees |  |  | 3,200,000 |  |  |  |  |  |  |  |  |  |  |  |
Unamortized discount on debt |  |  | 2,800,000 |  |  |  |  |  |  |  |  |  |  |  |
Deferred financing costs, net |  |  | $ 1,900,000 |  |  |  |  |  |  |  |  |  |  |  |
Total debt |  |  |  |  |  |  |  |  |  |  |  | $ 500,000,000 | 0 |  |
Convertible Debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Settlement of exchangeable senior notes, aggregate payment | $ 135,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Measurement period for exchange values | 40 days |  |  |  |  |  |  |  |  |  |  |  |  |  |
Measurement period prior to maturity | 42 days |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of liability component immediately prior to extinguishment | $ 115,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Settlement consideration allocated to reacquisition of equity component | $ 20,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible Debt | 3.25% Exchangeable Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount |  | $ 115,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate |  | 3.25% |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion ratio |  |  |  |  |  |  |  |  |  |  |  | 0.0556688 |  |  |
Debt Instrument, convertible, threshold percentage of stock price trigger |  | 98.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, convertible, threshold trading days | day |  | 20 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, convertible, threshold consecutive trading days | day |  | 5 |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible debt |  | $ 112,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, unamortized discount |  | 2,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Exchangeable senior notes, net |  | 105,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, convertible, carrying amount of equity component |  | $ 7,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Total debt |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 115,000,000 |  |
Convertible Debt | 3.25% Exchangeable Senior Notes | Discount Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value inputs, discount rate |  | 0.067 |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible Debt | 3.25% Exchangeable Senior Notes | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, convertible, threshold percentage of stock price trigger |  | 130.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, convertible, threshold consecutive trading days | day |  | 30 |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible Debt | 3.25% Exchangeable Senior Notes | American Residential Properties Inc. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion ratio |  | 0.0469423 |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion ratio, adjusted |  | 0.0532795 |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, equity interest issued or issuable, number of shares, multiplier |  | 1.135 |  |  |  |  |  |  |  |  |  |  |  |  |

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