Acquisitions - Total Revenues and Net Loss Attributable to Acquisition (Details) - American Residential Properties Inc. - USD ($) $ in Thousands	3 Months Ended	7 Months Ended
	Sep. 30, 2016	Sep. 30, 2016
Business Acquisition [Line Items]
Total revenues	$ 37,505	$ 83,387
Net income (loss)	$ 2,148	$ (3,479)