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Debt - Early Extinguishment of Debt (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017 USD ($) property	Jun. 30, 2016 USD ($)	Jun. 30, 2017 USD ($) property	Jun. 30, 2016 USD ($)
Debt Instrument [Line Items]
Payments on asset-backed securitizations			$ 466,793	$ 12,762
Loss on early extinguishment of debt	$ (6,555)	$ 0	$ (6,555)	$ 0
2014-SFR 1
Debt Instrument [Line Items]
Payments on asset-backed securitizations	$ 455,400
2014-SFR 1 | Single Family Homes | Property disqualified from collateral pool
Debt Instrument [Line Items]
Number of properties disqualified or released | property	3,799		3,799
Release of restricted cash collateral for borrowed securities	$ 9,400
2014-SFR 1 | Secured Debt | Special Purpose Entity
Debt Instrument [Line Items]
Loss on early extinguishment of debt	$ (6,600)

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Debt Instrument, Collateral, Number of Properties Disqualified or Released

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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

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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

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Repayments of securitizations of receivables treated as collateralized borrowings, which are classified as financing transactions.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585

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