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Debt - Narrative (Details 1) |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Feb. 29, 2016 USD ($) property extension_option floating_rate_component day | Dec. 31, 2014 USD ($) single_family_property | Aug. 31, 2016 USD ($) extension_option | Jul. 31, 2016 USD ($) | Jun. 30, 2016 | Sep. 30, 2015 USD ($) nonperforming_loan single_family_property | Mar. 31, 2015 USD ($) nonperforming_loan property | Dec. 31, 2014 USD ($) property | Nov. 30, 2014 USD ($) property | Sep. 30, 2014 USD ($) property | May 31, 2014 USD ($) property extension_option floating_rate_component pass_through_certificate | Mar. 31, 2013 USD ($) | Sep. 30, 2016 USD ($) | Sep. 30, 2016 | Dec. 31, 2016 USD ($) single_family_property property | Dec. 31, 2015 USD ($) single_family_property property | Dec. 31, 2014 USD ($) | May 01, 2014 USD ($) | Sep. 30, 2013 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from asset-backed securitizations after issuance costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 1,030,559,000 | $ 1,497,039,000 |  |
Number of properties sold | property |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 712 |  |  |  |
Asset-backed securitizations, net |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,491,234,000 | 2,530,210,000 |  |  |
Single-family properties |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7,547,856,000 | 6,289,938,000 |  |  |
Payments for purchase of certificates |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 381,117,000 | 19,739,000 | 3,315,000 |  |
Secured note payable |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 49,828,000 | 50,752,000 |  |  |
Convertible Debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 108,148,000 | 0 |  |  |
Convertible notes payable, noncurrent |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 108,100,000 |  |  |  |
Gain (loss) on extinguishment of debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (13,408,000) | 0 | 0 |  |
Revolving credit facilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 |  |  |
Credit Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, accordion feature, higher borrowing capacity option |  |  | $ 1,750,000,000.00 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Term Loan Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Term loan facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 321,735,000 | 0 |  |  |
2014-SFR 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument term |  |  |  |  |  |  |  |  |  |  | 2 years |  |  |  |  |  |  |  |
Interest rate cap agreement strike rate |  |  |  |  |  |  |  |  |  |  | 3.85% |  |  |  |  |  |  |  |
Number of debt instrument extension options | extension_option |  |  |  |  |  |  |  |  |  |  | 3 |  |  |  |  |  |  |  |
Period of extension options |  |  |  |  |  |  |  |  |  |  | 12 months |  |  |  |  |  |  |  |
Asset-backed securitizations, net |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 456,074,000 | 473,755,000 |  |  |
Effective percentage of interest rate cap agreements hedged as cash flow derivative |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |
Interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.31% |  |  |  |
2014-SFR 1 | LIBOR |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  |  |  |  | 0.25% |  |  |  |  |  |  |  |
2014-SFR 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Asset-backed securitizations, net |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 501,810,000 | 507,305,000 |  |  |
Interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.42% |  |  |  |
2014-SFR 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Asset-backed securitizations, net |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 517,827,000 | 523,109,000 |  |  |
Interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.40% |  |  |  |
2015-SFR 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Asset-backed securitizations, net |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 543,480,000 | 549,121,000 |  |  |
Interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.14% |  |  |  |
2015-SFR 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Asset-backed securitizations, net |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 472,043,000 | $ 476,920,000 |  |  |
Interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.36% |  |  |  |
Special Purpose Entity | 2014-SFR 1 | Notes Payable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exchangeable senior notes |  |  |  |  |  |  |  |  |  |  | $ 481,000,000.0 |  |  |  |  |  |  |  |
Derivative term of contract |  |  |  |  |  |  |  |  |  |  | 2 years |  |  |  |  |  |  |  |
Number of floating rate loan components | floating_rate_component |  |  |  |  |  |  |  |  |  |  | 6 |  |  |  |  |  |  |  |
Debt instrument monthly principal payment ratio |  |  |  |  |  |  |  |  |  |  | 0.00083 |  |  |  |  |  |  |  |
Debt instrument percentage portion of principal amount for which monthly payment is required |  |  |  |  |  |  |  |  |  |  | 1.00% |  |  |  |  |  |  |  |
Number of properties | property |  |  |  |  |  |  |  |  |  |  | 3,852 |  |  |  |  |  |  |  |
Debt covenant, minimum debt yield percentage |  |  |  |  |  |  |  |  |  |  | 6.68% |  |  |  |  |  |  |  |
Special Purpose Entity | 2015-SFR 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exchangeable senior notes |  |  |  |  |  |  | $ 552,800,000.0 |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument term |  |  |  |  |  |  | 30 years |  |  |  |  |  |  |  |  |  |  |  |
Number of classes of certificates | nonperforming_loan |  |  |  |  |  |  | 8 |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average interest rate |  |  |  |  |  |  | 4.14% |  |  |  |  |  |  |  |  |  |  |  |
Special Purpose Entity | 2015-SFR 1 | Notes Payable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of properties | property |  |  |  |  |  |  | 4,661 |  |  |  |  |  |  |  | 4,660 | 4,661 |  |  |
Single-family properties |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 710,800,000 | $ 735,000,000 |  |  |
Special Purpose Entity | 2015-SFR 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exchangeable senior notes |  |  |  |  |  | $ 477,700,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument term |  |  |  |  |  | 30 years |  |  |  |  |  |  |  |  |  |  |  |  |
Number of classes of certificates | nonperforming_loan |  |  |  |  |  | 7 |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from asset-backed securitizations after issuance costs |  |  |  |  |  | $ 477,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt issuance cost |  |  |  |  |  | $ 11,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Single-family properties |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 658,800,000 | $ 681,400,000 |  |  |
Weighted-average interest rate |  |  |  |  |  | 4.36% |  |  |  |  |  |  |  |  |  |  |  |  |
Single family homes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of properties | single_family_property |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 48,422 | 38,780 |  |  |
Single-family properties |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 7,547,856,000 | $ 6,289,938,000 |  |  |
Single family homes | 2014-SFR 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
LIBOR floor rate |  |  |  |  |  |  |  |  |  |  | 0.25% |  |  |  |  |  |  |  |
Number of debt instrument extension options | extension_option |  |  |  |  |  |  |  |  |  |  | 3 |  |  |  |  |  |  |  |
Number of classes of certificates | pass_through_certificate |  |  |  |  |  |  |  |  |  |  | 7 |  |  |  |  |  |  |  |
Proceeds from asset-backed securitizations after issuance costs |  |  |  |  |  |  |  |  |  |  | $ 481,000,000 |  |  |  |  |  |  |  |
Debt issuance cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 14,900,000 |
Number of properties | property |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,803 |  |  |  |
Number of properties sold | property |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 47 |  |  |  |
Single-family properties |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 575,400,000 | $ 606,900,000 |  |  |
Total release price |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 14,500,000 |  |  |  |
Single family homes | 2014-SFR 1 | LIBOR |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest margin on reference rate |  |  |  |  |  |  |  |  |  |  | 1.54% |  |  |  |  |  |  |  |
Single family homes | 2014-SFR 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exchangeable senior notes |  |  |  |  |  |  |  |  |  | $ 513,300,000.0 |  |  |  |  |  |  |  |  |
Debt instrument term |  |  |  |  |  |  |  |  |  | 10 years |  |  |  |  |  |  |  |  |
Proceeds from asset-backed securitizations after issuance costs |  |  |  |  |  |  |  |  |  | $ 487,700,000 |  |  |  |  |  |  |  |  |
Debt issuance cost |  |  |  |  |  |  |  |  |  | $ 12,900,000 |  |  |  |  |  |  |  |  |
Number of properties |  |  |  |  |  |  |  |  |  | 4,487 |  |  |  |  | 4,484 | 4,487 |  |  |
Weighted-average interest rate |  |  |  |  |  |  |  |  |  | 4.42% |  |  |  |  |  |  |  |  |
Minimum coverage ratio |  |  |  |  |  |  |  |  |  | 1.20 |  |  |  |  |  |  |  |  |
Period of debt service considered for debt coverage ratio |  |  |  |  |  |  |  |  |  | 12 months |  |  |  |  |  |  |  |  |
Payments for purchase of certificates |  |  |  |  |  |  |  |  |  | $ 25,700,000 |  |  |  |  |  |  |  |  |
Single family homes | 2014-SFR 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exchangeable senior notes |  |  |  |  |  |  |  |  | $ 528,400,000.0 |  |  |  |  |  |  |  |  |  |
Debt instrument term |  |  |  |  |  |  |  |  | 10 years |  |  |  |  |  |  |  |  |  |
Debt issuance cost |  |  |  |  |  |  |  |  | $ 12,900,000 |  |  |  |  |  |  |  |  |  |
Number of properties | property |  |  |  |  |  |  |  |  | 4,503 |  |  |  |  |  |  |  |  |  |
Single-family properties |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 706,300,000 | $ 729,800,000 |  |  |
Weighted-average interest rate |  |  |  |  |  |  |  |  | 4.40% |  |  |  |  |  |  |  |  |  |
Single family homes | 2015-SFR 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from asset-backed securitizations after issuance costs |  |  |  |  |  |  | $ 552,800,000 |  |  |  |  |  |  |  |  |  |  |  |
Debt issuance cost |  |  |  |  |  |  | $ 13,300,000 |  |  |  |  |  |  |  |  |  |  |  |
Single family homes | Special Purpose Entity | 2015-SFR 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of properties | single_family_property |  |  |  |  |  | 4,125 |  |  |  |  |  |  |  |  | 4,124 | 4,125 |  |  |
Estimate of Fair Value Measurement | 2014-SFR 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate cap agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |
Estimate of Fair Value Measurement | 2014-SFR 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Single-family properties |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 650,200,000 | $ 672,300,000 |  |  |
American Residential Properties Inc. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase price | $ 1,322,461,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ellington portfolio acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument term |  | 5 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Secured note payable |  | $ 51,644,000 |  |  |  |  |  | $ 51,644,000 |  |  |  |  |  |  |  |  | $ 51,644,000 |  |
Purchase price |  | $ 126,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of properties treated as collateral |  | 583 |  |  |  |  |  | 583 |  |  |  |  |  |  |  |  |  |  |
Interest rate |  | 4.06% |  |  |  |  |  | 4.06% |  |  |  |  |  |  |  |  | 4.06% |  |
Minimum debt service coverage ratio |  |  |  |  |  |  |  | 1.47 |  |  |  |  |  |  |  |  |  |  |
Ellington portfolio acquisition | Notes Payable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument term |  |  |  |  |  |  |  | 5 years |  |  |  |  |  |  |  |  |  |  |
Purchase price |  |  |  |  |  |  |  | $ 51,600,000 |  |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility | Credit Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exchangeable senior notes |  |  | $ 1,000,000,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior Secured Revolving Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility maximum borrowing capacity |  |  |  |  |  |  |  |  |  |  |  | $ 500,000,000 |  |  |  |  |  |  | $ 800,000,000
Gain (loss) on extinguishment of debt |  |  |  |  |  |  |  |  |  |  |  |  | $ (2,700,000) |  |  |  |  |  |
Exchangeable senior notes | Notes Payable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Secured note payable |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 49,828,000 | 50,752,000 |  |  |
Interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.06% |  |  |  |
Until March 2017 | Senior Secured Revolving Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Description of variable rate basis |  |  |  |  |  |  |  |  |  |  |  | 1-month LIBOR |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  |  |  |  |  | 2.75% |  |  |  |  |  |  |
March 2017 and Thereafter | Senior Secured Revolving Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Description of variable rate basis |  |  |  |  |  |  |  |  |  |  |  | 1-month LIBOR |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  |  |  |  |  | 3.125% |  |  |  |  |  |  |
Secured Debt | Term Loan Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of debt instrument extension options | extension_option |  |  | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.57% |  |  |  |
Credit facility maximum borrowing capacity |  |  | $ 350,000,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit extension period |  |  | 1 year |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Term loan facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 325,000,000 | 0 |  |  |
Secured Debt | Term Loan Facility | LIBOR |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.80% |  |  |  |  |
Secured Debt | Special Purpose Entity | ARP 2014-SFR1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exchangeable senior notes | $ 342,200,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument term | 2 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of floating rate loan components | floating_rate_component | 6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of debt instrument extension options | extension_option | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Period of extension options | 12 months |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of properties | property | 2,875 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Release of restricted cash collateral for borrowed securities | $ (10,100,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on extinguishment of debt |  |  |  |  |  |  |  |  |  |  |  |  | $ (10,700,000) |  |  |  |  |  |
Convertible Debt | 3.25% Exchangeable Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exchangeable senior notes | 115,000,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 115,000,000 | 0 |  |  |
Convertible debt, fair value | $ 112,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate | 3.25% |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.25% |  |  |  |
Debt instrument, convertible, carrying amount of equity component | $ 7,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 4,969,000 | 0 |  |  |
Debt Instrument, Convertible, Conversion Ratio |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.0546381 |  |  |  |  |
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 | 5 days |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, unamortized discount | $ 2,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,883,000 | 0 |  |  |
Convertible Debt | $ 105,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value inputs, discount rate | 6.70% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible Debt | American Residential Properties Inc. | 3.25% Exchangeable Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, equity interest issued or issuable, number of shares, multiplier | 1.135 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Convertible, Conversion Ratio | 0.0469423 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Convertible, Conversion Ratio, Adjusted | 0.0532795 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit | Revolving Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.62% |  |  |  |
Repayments of long-term lines of credit |  |  |  | $ 142,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility maximum borrowing capacity |  |  | $ 650,000,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit extension period |  |  | 1 year |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revolving credit facilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 |  |  |
Line of Credit | Revolving Credit Facility | LIBOR |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.85% |  |  |  |  |
Minimum | Secured Debt | Term Loan Facility | LIBOR |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 1.70% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum | Secured Debt | Term Loan Facility | Base Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 0.70% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum | Convertible Debt | 3.25% Exchangeable Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, convertible, threshold percentage of stock price trigger | 130.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, convertible, threshold consecutive trading days | 30 days |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum | Line of Credit | Revolving Credit Facility | LIBOR |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 1.75% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum | Line of Credit | Revolving Credit Facility | Base Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 0.75% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum | Secured Debt | Term Loan Facility | LIBOR |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 2.30% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum | Secured Debt | Term Loan Facility | Base Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 1.30% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum | Line of Credit | Revolving Credit Facility | LIBOR |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 2.30% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum | Line of Credit | Revolving Credit Facility | Base Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 1.30% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted Average | 2014-SFR 1 | LIBOR |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  |  |  |  | 1.54% |  |  |  |  |  |  |  |
Weighted Average | Secured Debt | Special Purpose Entity | ARP 2014-SFR1 | LIBOR |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate | 2.11% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Series E Perpetual Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cumulative annual cash dividend rate |  |  |  | 6.35% | 6.35% |  |  |  |  |  |  |  |  |  | 6.35% |  |  |  |
Property disqualified from collateral pool | Single family homes | 2014-SFR 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of properties | property |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  |
Property disqualified from collateral pool | Single family homes | 2014-SFR 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of properties | property |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 |  |  |  |
Total release price |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 400,000 |  |  |  |
Property disqualified from collateral pool | Single family homes | 2015-SFR 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of properties | property |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |
Total release price |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 100,000 |  |  |  |
Property disqualified from collateral pool | Single family homes | 2015-SFR 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of properties | property |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |
Total release price |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 100,000 |  |  |  |

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- Definition Business Acquisition, Equity Interest Issued or Issuable, Number of Shares, Multiplier + References No definition available. + Details
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- Definition Debt Instrument, Accordion Feature, Higher Borrowing Capacity Option + References No definition available. + Details
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- Definition Debt Instrument, Convertible, Conversion Ratio, Adjusted + References No definition available. + Details
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- Definition Represents the minimum debt service coverage ratio, as defined, pursuant to the financial covenants contained in the debt agreement. + References No definition available. + Details
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- Definition Represents the ratio of monthly principal payment of loan. + References No definition available. + Details
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- Definition Represents the percentage portion of principal amount of loan for which monthly payment is required. + References No definition available. + Details
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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 Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition Amount of assets pledged to secure a debt instrument. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823 + Details
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- Definition The carrying amount of the equity component of convertible debt which may be settled in cash upon conversion. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6928298&loc=SL6031897-161870 + Details
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- Definition Minimum percentage of common stock price to conversion price of convertible debt instruments to determine eligibility of conversion. + References No definition available. + Details
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- Definition Threshold number of specified trading days that common stock price to conversion price of convertible debt instruments must exceed threshold percentage within a specified consecutive trading period to trigger conversion feature. + References No definition available. + Details
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- Definition The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR. + References No definition available. + Details
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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: 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(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount, after accumulated amortization, of debt discount. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28541-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400 + Details
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- Definition Amount, before 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 + Details
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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets 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 815 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958 Reference 3: 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 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13495-108611 Reference 6: 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=51825145&loc=SL20226008-175313 + Details
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- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12317-112629 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12355-112629 + Details
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- Definition The increase (decrease) during the reporting period in the amount of cash that is pledged as security when borrowing securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: 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 2: 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 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(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: 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(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The percentage points (also referred to as 'margin') added to the reference rate as stated in the loan agreement and used to compute the variable rate on the loans receivable. For instance, the loan agreement might state that the interest rate the borrower is obligated to pay is the London Interbank Offered Rate (LIBOR) plus three quarters (3/4) of a percentage point adjusted quarterly (each three months). LIBOR in this example is the index or reference rate, 3/4 percentage point is the margin, the reference rate plus the margin is the fully indexed rate. This element would be used to report separately the margin. + References No definition available. + Details
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