Real Estate and Lending Activities - Summary of Status Update on Current Development Projects (Detail) $ in Thousands	9 Months Ended
	Sep. 30, 2016 USD ($)
Business Acquisition [Line Items]
Commitment	$ 201,184
Costs Incurred as of 09/30/16	54,154
Adeptus Health Two [Member]
Business Acquisition [Line Items]
Commitment	32,684
Costs Incurred as of 09/30/16	$ 18,472
Estimated Completion Date	4Q 2016
Adeptus Health Three [Member]
Business Acquisition [Line Items]
Commitment	$ 11,578
Costs Incurred as of 09/30/16	$ 2,860
Estimated Completion Date	1Q 2017
Adeptus Health Four [Member]
Business Acquisition [Line Items]
Commitment	$ 69,801
Costs Incurred as of 09/30/16	$ 29,616
Estimated Completion Date	2Q 2017
Ernest [Member]
Business Acquisition [Line Items]
Commitment	$ 28,067
Costs Incurred as of 09/30/16	$ 3,206
Estimated Completion Date	3Q 2017
Adeptus Health Five [Member]
Business Acquisition [Line Items]
Commitment	$ 59,054
Estimated Completion Date	Various