Significant Accounting Policies (Details)	3 Months Ended				12 Months Ended
	Jun. 30, 2016 USD ($)	Mar. 31, 2016 USD ($)	Mar. 31, 2015 USD ($)	Mar. 31, 2014 USD ($)	Dec. 31, 2016 USD ($) single_family_property	Dec. 31, 2015 USD ($) single_family_property	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Basis of Presentation [Abstract]
Deferred financing costs, net					$ 51,636,000
Cost of real estate revenue					386,474,000	$ 292,155,000	$ 184,814,000
Cost of operating expense					11,978,000	3,770,000	3,559,000
Gain on sale of single-family properties, net					14,569,000	0	0
Restricted cash					131,442,000	111,282,000	77,198,000	$ 26,400,000
Single-family Properties Held for Sale and Discontinued Operations [Abstract]
Loss on impairment of single-family properties					4,970,000	$ 0	0
Indefinite-Lived Intangible Assets (Excluding Goodwill) [Abstract]
Impairment of long-lived assets held-for-use			$ 0	$ 0	$ 0
Leasing Costs
Lease amortization period					1 year
Building and Building Improvements | Minimum
Depreciation and Amortization
Estimated useful life of asset					3 years
Building and Building Improvements | Maximum
Depreciation and Amortization
Estimated useful life of asset					30 years
Single family homes
Single-family Properties Held for Sale and Discontinued Operations [Abstract]
Number of properties | single_family_property					48,422	38,780
Single family homes | Single-family properties held for sale
Single-family Properties Held for Sale and Discontinued Operations [Abstract]
Number of properties | single_family_property					1,119	45
Loss on impairment of single-family properties					$ 5,000,000
Value of in-place leases
Investments in Real Estate
Finite-lived intangible asset, useful life					1 year
Accounting Standards Update 2015-03 | Asset-Backed Securitizations
Basis of Presentation [Abstract]
Deferred financing costs, net					$ 56,600,000
Accounting Standards Update 2015-03 | Deferred Costs and Other Intangibles
Basis of Presentation [Abstract]
Deferred financing costs, net					$ (56,600,000)
Reclassification of Net Gains from Sales of Single-Family Properties from Other Revenues to Gain on Sale of Single Family Properties, Net | Restatement Adjustment
Basis of Presentation [Abstract]
Other revenues	$ (700,000)	$ (200,000)
Reclassification of Vacant Single-Family Properties and Other Expenses | Vacant Single-Family Properties and Other | Restatement Adjustment
Basis of Presentation [Abstract]
Cost of real estate revenue						$ (15,000,000)	(22,900,000)
Reclassification Adjustment of Vacant Single-Family Property to Operating Expense | Vacant Single-Family Properties and Other | Restatement Adjustment
Basis of Presentation [Abstract]
Cost of real estate revenue						(11,200,000)	(19,300,000)
Reclassification of Leased Single-Family Properties and Vacant Single-Family Properties Other to Other Expenses | Leased Single-Family Properties, Vacant Single-Family Properties, and Other | Restatement Adjustment
Basis of Presentation [Abstract]
Cost of operating expense						$ (3,800,000)	$ (3,600,000)
Reclassification of Net Gains from Sale of Single-Family Properties, Net | Restatement Adjustment
Basis of Presentation [Abstract]
Gain on sale of single-family properties, net	$ 700,000	$ 200,000