Subsequent Events (Details) - USD ($) $ in Millions	Apr. 01, 2016	Apr. 20, 2016	Mar. 31, 2016
Subsequent Event [Line Items]
Maximum borrowing capacity under revolving credit facility			$ 600.0
Subsequent Event
Subsequent Event [Line Items]
Maximum borrowing capacity under revolving credit facility		$ 800.0
Option to increase credit facility under accordion feature, amount		$ 1,500.0
Clarion | Mortgages | Subsequent Event
Subsequent Event [Line Items]
Principal of mortgage loans repaid	$ 34.4