Significant Accounting Policies and Pronouncements (Details)	12 Months Ended
	Dec. 31, 2015
Accounting Policies [Abstract]
Loan-to-value ratios (greater than)	100.00%
Debt service coverage ratios (less than)	1.0
Partnership interest threshold (less than)	3.00%
Significant Accounting Policies [Line Items]
Securities loaned transactions collateral, minimum	102.00%
Securities loaned transactions collateral, maximum	105.00%
Minimum
Significant Accounting Policies [Line Items]
Investee Financial Information, Lag Period	1 month
Repurchase and Resale Agreements, Collateral, Percentage	95.00%
Maximum
Significant Accounting Policies [Line Items]
Investee Financial Information, Lag Period	3 months