Real Estate and Lending Activities - Summary of Status Update on Current Development Projects (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2016 USD ($)
Business Acquisition [Line Items]
Commitment	$ 279,036
Costs Incurred as of 03/31/16	70,630
Ernest [Member]
Business Acquisition [Line Items]
Commitment	19,212
Costs Incurred as of 03/31/16	$ 16,894
Estimated Completion Date	2Q 2016
Adeptus Health One [Member]
Business Acquisition [Line Items]
Commitment	$ 12,639
Costs Incurred as of 03/31/16	$ 8,734
Estimated Completion Date	2Q 2016
Adeptus Health Two [Member]
Business Acquisition [Line Items]
Commitment	$ 62,155
Costs Incurred as of 03/31/16	$ 36,257
Estimated Completion Date	3Q 2016
Adeptus Health Three [Member]
Business Acquisition [Line Items]
Commitment	$ 61,997
Costs Incurred as of 03/31/16	$ 8,745
Estimated Completion Date	2Q 2017
Adeptus Health Four [Member]
Business Acquisition [Line Items]
Commitment	$ 123,033
Estimated Completion Date	Various