XML 57 R44.htm IDEA: XBRL DOCUMENT v3.5.0.2
Valuation (Schedule Of Significant Unobservable Inputs, Qualitative Information) (Details) - Level 3 [Member]
6 Months Ended 12 Months Ended
Jun. 30, 2016
USD ($)
Dec. 31, 2015
USD ($)
Market Approach Valuation Technique [Member] | Private Label Residential Mortgage Backed Securities [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair value $ 74,172,000 $ 89,549,000
Market Approach Valuation Technique [Member] | Private Label Residential Mortgage Backed Securities [Member] | Minimum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Non Binding Third-Party Valuation 2.03 1.81
Market Approach Valuation Technique [Member] | Private Label Residential Mortgage Backed Securities [Member] | Maximum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Non Binding Third-Party Valuation 181.56 151.86
Market Approach Valuation Technique [Member] | Private Label Residential Mortgage Backed Securities [Member] | Weighted Average [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Non Binding Third-Party Valuation 69.18 68.47
Market Approach Valuation Technique [Member] | Collateralized Loan Obligations [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair value $ 28,262,000 $ 41,978,000
Market Approach Valuation Technique [Member] | Collateralized Loan Obligations [Member] | Minimum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Non Binding Third-Party Valuation 23.00 13.00
Market Approach Valuation Technique [Member] | Collateralized Loan Obligations [Member] | Maximum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Non Binding Third-Party Valuation 101.75 102.00
Market Approach Valuation Technique [Member] | Collateralized Loan Obligations [Member] | Weighted Average [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Non Binding Third-Party Valuation 80.78 84.84
Market Approach Valuation Technique [Member] | Corporate Debt and non-exchange traded corporate equity [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair value $ 27,576,000 $ 18,972,000
Market Approach Valuation Technique [Member] | Corporate Debt and non-exchange traded corporate equity [Member] | Minimum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Non Binding Third-Party Valuation 2.86 3.00
Market Approach Valuation Technique [Member] | Corporate Debt and non-exchange traded corporate equity [Member] | Maximum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Non Binding Third-Party Valuation 112.64 200.00
Market Approach Valuation Technique [Member] | Corporate Debt and non-exchange traded corporate equity [Member] | Weighted Average [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Non Binding Third-Party Valuation 78.18 77.85
Market Approach Valuation Technique [Member] | Private Label Commercial Mortgage-Backed Securities [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair value $ 16,454,000 $ 20,365,000
Market Approach Valuation Technique [Member] | Private Label Commercial Mortgage-Backed Securities [Member] | Minimum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Non Binding Third-Party Valuation 5.32 6.07
Market Approach Valuation Technique [Member] | Private Label Commercial Mortgage-Backed Securities [Member] | Maximum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Non Binding Third-Party Valuation 69.06 73.20
Market Approach Valuation Technique [Member] | Private Label Commercial Mortgage-Backed Securities [Member] | Weighted Average [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Non Binding Third-Party Valuation 35.30 41.28
Market Approach Valuation Technique [Member] | Agency Interest Only Residential Mortgage-Backed Securities [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair value $ 16,993,000 $ 21,067,000
Market Approach Valuation Technique [Member] | Agency Interest Only Residential Mortgage-Backed Securities [Member] | Minimum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Non Binding Third-Party Valuation 2.72 2.97
Market Approach Valuation Technique [Member] | Agency Interest Only Residential Mortgage-Backed Securities [Member] | Maximum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Non Binding Third-Party Valuation 23.01 22.41
Market Approach Valuation Technique [Member] | Agency Interest Only Residential Mortgage-Backed Securities [Member] | Weighted Average [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Non Binding Third-Party Valuation 9.83 11.08
Income Approach Valuation Technique [Member] | Private Label Residential Mortgage Backed Securities [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair value $ 38,339,000 $ 26,886,000
Income Approach Valuation Technique [Member] | Private Label Residential Mortgage Backed Securities [Member] | Minimum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Yield 3.10% 3.40%
Projected Collateral Prepayments 0.00% 5.40%
Fair Value Inputs Losses 1.30% 2.90%
Fair Value Inputs Projected Collateral Recoveries 0.00% 0.30%
Fair Value Inputs Projected Collateral Scheduled Amortization 0.00% 8.60%
Income Approach Valuation Technique [Member] | Private Label Residential Mortgage Backed Securities [Member] | Maximum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Yield 14.60% 27.10%
Projected Collateral Prepayments 74.70% 74.60%
Fair Value Inputs Losses 48.70% 24.50%
Fair Value Inputs Projected Collateral Recoveries 53.10% 13.00%
Fair Value Inputs Projected Collateral Scheduled Amortization 85.60% 88.60%
Income Approach Valuation Technique [Member] | Private Label Residential Mortgage Backed Securities [Member] | Weighted Average [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Yield 10.90% 19.90%
Projected Collateral Prepayments 12.30% 46.30%
Fair Value Inputs Losses 34.90% 11.40%
Fair Value Inputs Projected Collateral Recoveries 35.90% 8.00%
Fair Value Inputs Projected Collateral Scheduled Amortization 16.90% 34.30%
Total Outstanding Collateral 100.00% 100.00%
Income Approach Valuation Technique [Member] | Collateralized Loan Obligations [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair value $ 4,847,000 $ 3,996,000
Income Approach Valuation Technique [Member] | Collateralized Loan Obligations [Member] | Minimum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Yield 10.10% 8.30%
Projected Collateral Prepayments 41.00% 31.90%
Fair Value Inputs Losses 2.60% 2.60%
Fair Value Inputs Projected Collateral Recoveries 1.40% 2.30%
Fair Value Inputs Projected Collateral Scheduled Amortization 30.00% 33.30%
Income Approach Valuation Technique [Member] | Collateralized Loan Obligations [Member] | Maximum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Yield 42.30% 20.60%
Projected Collateral Prepayments 62.20% 52.30%
Fair Value Inputs Losses 12.10% 17.30%
Fair Value Inputs Projected Collateral Recoveries 6.50% 15.50%
Fair Value Inputs Projected Collateral Scheduled Amortization 51.40% 51.50%
Income Approach Valuation Technique [Member] | Collateralized Loan Obligations [Member] | Weighted Average [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Yield 17.10% 13.50%
Projected Collateral Prepayments 55.50% 41.10%
Fair Value Inputs Losses 6.50% 12.90%
Fair Value Inputs Projected Collateral Recoveries 4.00% 10.10%
Fair Value Inputs Projected Collateral Scheduled Amortization 34.00% 35.90%
Total Outstanding Collateral 100.00% 100.00%
Income Approach Valuation Technique [Member] | Private Label Commercial Mortgage-Backed Securities [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair value $ 18,488,000 $ 13,780,000
Income Approach Valuation Technique [Member] | Private Label Commercial Mortgage-Backed Securities [Member] | Minimum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Yield 11.60% 19.20%
Fair Value Inputs Losses 0.80% 0.70%
Fair Value Inputs Projected Collateral Recoveries 4.40% 1.50%
Fair Value Inputs Projected Collateral Scheduled Amortization 83.10% 83.40%
Income Approach Valuation Technique [Member] | Private Label Commercial Mortgage-Backed Securities [Member] | Maximum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Yield 32.80% 25.00%
Fair Value Inputs Losses 3.60% 2.30%
Fair Value Inputs Projected Collateral Recoveries 15.00% 14.30%
Fair Value Inputs Projected Collateral Scheduled Amortization 94.80% 97.60%
Income Approach Valuation Technique [Member] | Private Label Commercial Mortgage-Backed Securities [Member] | Weighted Average [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Yield 22.90% 22.10%
Fair Value Inputs Losses 1.80% 1.60%
Fair Value Inputs Projected Collateral Recoveries 7.30% 8.40%
Fair Value Inputs Projected Collateral Scheduled Amortization 90.90% 90.00%
Total Outstanding Collateral 100.00% 100.00%
Income Approach Valuation Technique [Member] | Agency Interest Only Residential Mortgage-Backed Securities [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair value $ 3,513,000 $ 3,851,000
Income Approach Valuation Technique [Member] | Agency Interest Only Residential Mortgage-Backed Securities [Member] | Minimum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Projected Collateral Prepayments 20.40% 18.00%
Fair Value Inputs Projected Collateral Scheduled Amortization 0.00% 0.00%
LIBOR OAS 1.18% [1] 4.41% [2]
Income Approach Valuation Technique [Member] | Agency Interest Only Residential Mortgage-Backed Securities [Member] | Maximum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Projected Collateral Prepayments 100.00% 100.00%
Fair Value Inputs Projected Collateral Scheduled Amortization 79.60% 82.00%
LIBOR OAS 18.18% [1] 16.72% [2]
Income Approach Valuation Technique [Member] | Agency Interest Only Residential Mortgage-Backed Securities [Member] | Weighted Average [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Projected Collateral Prepayments 69.60% 70.40%
Fair Value Inputs Projected Collateral Scheduled Amortization 30.40% 29.60%
Total Outstanding Collateral 100.00% 100.00%
LIBOR OAS 4.68% [1] 6.22% [2]
Income Approach Valuation Technique [Member] | Corporate debt and warrants [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair value $ 10,444,000 $ 13,920,000
Income Approach Valuation Technique [Member] | Corporate debt and warrants [Member] | Minimum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Yield 0.00% 15.00%
Income Approach Valuation Technique [Member] | Corporate debt and warrants [Member] | Maximum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Yield 16.90% 20.00%
Income Approach Valuation Technique [Member] | Corporate debt and warrants [Member] | Weighted Average [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Yield 16.30% 16.20%
Income Approach Valuation Technique [Member] | Consumer loans and asset-backed securities backed by consumer loans [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair value $ 154,395,000 $ 115,376,000
Income Approach Valuation Technique [Member] | Consumer loans and asset-backed securities backed by consumer loans [Member] | Minimum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Yield 9.00% 9.00%
Projected Collateral Prepayments 0.00% 0.00%
Fair Value Inputs Losses 0.90% 1.00%
Fair Value Inputs Projected Collateral Scheduled Amortization 0.00% 57.30%
Income Approach Valuation Technique [Member] | Consumer loans and asset-backed securities backed by consumer loans [Member] | Maximum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Yield 25.00% 15.00%
Projected Collateral Prepayments 45.60% 40.90%
Fair Value Inputs Losses 96.90% 33.80%
Fair Value Inputs Projected Collateral Scheduled Amortization 83.90% 80.80%
Income Approach Valuation Technique [Member] | Consumer loans and asset-backed securities backed by consumer loans [Member] | Weighted Average [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Yield 10.30% 10.40%
Projected Collateral Prepayments 39.10% 30.90%
Fair Value Inputs Losses 7.90% 7.30%
Fair Value Inputs Projected Collateral Scheduled Amortization 53.00% 61.80%
Total Outstanding Collateral 100.00% 100.00%
Income Approach Valuation Technique [Member] | Performing Commercial Mortgage Loans [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair value $ 25,795,000 $ 43,847,000
Income Approach Valuation Technique [Member] | Performing Commercial Mortgage Loans [Member] | Minimum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Yield 10.40% 9.80%
Income Approach Valuation Technique [Member] | Performing Commercial Mortgage Loans [Member] | Maximum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Yield 17.90% 17.60%
Income Approach Valuation Technique [Member] | Performing Commercial Mortgage Loans [Member] | Weighted Average [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Yield 11.80% 11.90%
Income Approach Valuation Technique [Member] | Non-performing Commercial Mortgage Loans [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair value $ 23,671,000  
Income Approach Valuation Technique [Member] | Non-performing Commercial Mortgage Loans [Member] | Minimum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Yield 10.20%  
Months to Resolution 6 months  
Income Approach Valuation Technique [Member] | Non-performing Commercial Mortgage Loans [Member] | Maximum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Yield 18.40%  
Months to Resolution 39 months  
Income Approach Valuation Technique [Member] | Non-performing Commercial Mortgage Loans [Member] | Weighted Average [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Yield 14.20%  
Months to Resolution 20 months 24 days  
Income Approach Valuation Technique [Member] | Performing Residential Mortgage Loans [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair value $ 41,324,000 $ 13,848,000
Income Approach Valuation Technique [Member] | Performing Residential Mortgage Loans [Member] | Minimum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Yield 5.00% 5.50%
Income Approach Valuation Technique [Member] | Performing Residential Mortgage Loans [Member] | Maximum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Yield 13.10% 8.00%
Income Approach Valuation Technique [Member] | Performing Residential Mortgage Loans [Member] | Weighted Average [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Yield 6.50% 6.50%
Income Approach Valuation Technique [Member] | Non-performing Residential Mortgage Loans and Residential Real Estate Owned [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair value $ 7,646,000 $ 12,331,000
Income Approach Valuation Technique [Member] | Non-performing Residential Mortgage Loans and Residential Real Estate Owned [Member] | Minimum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Yield 5.70% 5.70%
Months to Resolution 1 month 27 days 3 months 12 days
Income Approach Valuation Technique [Member] | Non-performing Residential Mortgage Loans and Residential Real Estate Owned [Member] | Maximum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Yield 60.60% 7.90%
Months to Resolution 112 months 27 days 113 months 18 days
Income Approach Valuation Technique [Member] | Non-performing Residential Mortgage Loans and Residential Real Estate Owned [Member] | Weighted Average [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Yield 10.40% 7.30%
Months to Resolution 25 months 27 days 20 months 18 days
Income Approach Valuation Technique [Member] | Non-performing Commercial Mortgage Loans and Commercial Real Estate Owned [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair value   $ 30,984,000
Income Approach Valuation Technique [Member] | Non-performing Commercial Mortgage Loans and Commercial Real Estate Owned [Member] | Minimum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Yield   10.20%
Months to Resolution   4 months
Income Approach Valuation Technique [Member] | Non-performing Commercial Mortgage Loans and Commercial Real Estate Owned [Member] | Maximum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Yield   19.40%
Months to Resolution   24 months
Income Approach Valuation Technique [Member] | Non-performing Commercial Mortgage Loans and Commercial Real Estate Owned [Member] | Weighted Average [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Yield   13.70%
Months to Resolution   9 months 10 days
Recent Transactions [Member] | Commercial real estate owned [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair value $ 1,841,000  
Recent Transactions [Member] | Commercial real estate owned [Member] | Minimum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Contract Price 96.77  
Recent Transactions [Member] | Commercial real estate owned [Member] | Maximum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Contract Price 96.77  
Recent Transactions [Member] | Commercial real estate owned [Member] | Weighted Average [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Contract Price 96.77  
Credit Default Swaps On Asset Backed Securities [Member] | Income Approach Valuation Technique [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair value $ 5,834,000 $ 6,111,000
Credit Default Swaps On Asset Backed Securities [Member] | Income Approach Valuation Technique [Member] | Minimum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Projected Collateral Prepayments 27.40% 26.60%
Fair Value Inputs Losses 17.70% 15.00%
Fair Value Inputs Projected Collateral Recoveries 7.10% 6.80%
Fair Value Inputs Projected Collateral Scheduled Amortization 23.40% 24.50%
Credit Default Swaps On Asset Backed Securities [Member] | Income Approach Valuation Technique [Member] | Maximum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Projected Collateral Prepayments 40.20% 44.10%
Fair Value Inputs Losses 33.20% 33.70%
Fair Value Inputs Projected Collateral Recoveries 14.10% 16.90%
Fair Value Inputs Projected Collateral Scheduled Amortization 32.20% 33.10%
Credit Default Swaps On Asset Backed Securities [Member] | Income Approach Valuation Technique [Member] | Weighted Average [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Projected Collateral Prepayments 34.00% 32.60%
Fair Value Inputs Losses 26.60% 26.50%
Fair Value Inputs Projected Collateral Recoveries 10.80% 12.00%
Fair Value Inputs Projected Collateral Scheduled Amortization 28.60% 28.90%
Total Outstanding Collateral 100.00% 100.00%
Total Return Swaps [Member] | Market Approach Valuation Technique [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Financial and Nonfinancial Liabilities, Fair Value Disclosure $ (192,000) $ (4,577,000)
Total Return Swaps [Member] | Market Approach Valuation Technique [Member] | Minimum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Non Binding Third-Party Valuation 13.61 [3] 36.38 [4]
Total Return Swaps [Member] | Market Approach Valuation Technique [Member] | Maximum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Non Binding Third-Party Valuation 98.00 [3] 99.88 [4]
Total Return Swaps [Member] | Market Approach Valuation Technique [Member] | Weighted Average [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Non Binding Third-Party Valuation 90.45 [3] 56.38 [4]
Guarantees [Member] | Recent Transactions [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Financial and Nonfinancial Liabilities, Fair Value Disclosure   $ (828,000)
Guarantees [Member] | Expected cash flow [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Financial and Nonfinancial Liabilities, Fair Value Disclosure $ (312,000)  
Private Corporate Equity Investments [Member] | Non-exchange traded equity investments in commercial mortgage-related private partnerships [Member] | Income Approach Valuation Technique [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair value $ 2,972,000 $ 10,558,000
Private Corporate Equity Investments [Member] | Non-exchange traded equity investments in commercial mortgage-related private partnerships [Member] | Income Approach Valuation Technique [Member] | Minimum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Yield 16.50% 14.00%
Expected Holding Period (Months) 8 months 21 days 14 months 9 days
Private Corporate Equity Investments [Member] | Non-exchange traded equity investments in commercial mortgage-related private partnerships [Member] | Income Approach Valuation Technique [Member] | Maximum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Yield 16.50% 16.50%
Expected Holding Period (Months) 8 months 21 days 27 months
Private Corporate Equity Investments [Member] | Non-exchange traded equity investments in commercial mortgage-related private partnerships [Member] | Income Approach Valuation Technique [Member] | Weighted Average [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Yield 16.50% 14.70%
Expected Holding Period (Months) 8 months 21 days 23 months 15 days
Private Corporate Equity Investments [Member] | Non-Exchange Traded Preferred and Common Equity Investment in Mortgage-Related Entities [Member] | Enterprise Value [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair value $ 3,053,000 $ 2,738,000
Private Corporate Equity Investments [Member] | Non-Exchange Traded Preferred and Common Equity Investment in Mortgage-Related Entities [Member] | Enterprise Value [Member] | Minimum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Equity Multiple 2.3 [5] 2.7 [6]
Private Corporate Equity Investments [Member] | Non-Exchange Traded Preferred and Common Equity Investment in Mortgage-Related Entities [Member] | Enterprise Value [Member] | Maximum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Equity Multiple 2.3 [5] 2.7 [6]
Private Corporate Equity Investments [Member] | Non-Exchange Traded Preferred and Common Equity Investment in Mortgage-Related Entities [Member] | Enterprise Value [Member] | Weighted Average [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Equity Multiple 2.3 [5] 2.7 [6]
Private Corporate Equity Investments [Member] | Non-Exchange Traded Preferred and Common Equity Investment in Mortgage-Related Entities [Member] | Recent Transactions [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Fair value $ 2,500,000 $ 2,630,000
[1] Shown in basis points.
[2] Shown in basis points.
[3] Represents valuations on underlying assets.
[4] Represents valuations on underlying assets.
[5] Represent an estimation of where market participants might value an enterprise.
[6] Represent an estimation of where market participants might value an enterprise.