v3.8.0.1

Valuation (Schedule Of Significant Unobservable Inputs, Qualitative Information) (Details) - Level 3 [Member] | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2017 USD ($) | Dec. 31, 2016 USD ($)
Market Approach Valuation Technique [Member] | Private Label Residential Mortgage Backed Securities [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Fair value |  | $ 23,182,000 |  | $ 47,024,000 |
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 |  | 46.28 |  | 2.00 |
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 |  | 478.10 |  | 101.02 |
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 |  | 95.08 |  | 67.51 |
Market Approach Valuation Technique [Member] | Collateralized Loan Obligations [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Fair value |  | $ 24,586,000 |  | $ 37,517,000 |
Market Approach Valuation Technique [Member] | Collateralized Loan Obligations [Member] | Minimum [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Non Binding Third-Party Valuation |  | 3.10 |  | 9.42 |
Market Approach Valuation Technique [Member] | Collateralized Loan Obligations [Member] | Maximum [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Non Binding Third-Party Valuation |  | 440.00 |  | 100.25 |
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 |  | 122.21 |  | 83.36 |
Market Approach Valuation Technique [Member] | Corporate Debt and non-exchange traded corporate equity [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Fair value |  | $ 9,782,000 |  | $ 19,017,000 |
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 |  | 0.88 |  | 1.88 |
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 |  | 99.50 |  | 102.25 |
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 |  | 81.87 |  | 87.14 |
Market Approach Valuation Technique [Member] | Private Label Commercial Mortgage-Backed Securities [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Fair value |  | $ 7,721,000 |  | $ 27,283,000 |
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 |  | 5.36 |  | 5.17 |
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 |  | 42.00 |  | 77.75 |
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 |  | 18.18 |  | 40.88 |
Market Approach Valuation Technique [Member] | Agency Interest Only Residential Mortgage-Backed Securities [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Fair value |  | $ 502,000 |  | $ 23,322,000 |
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 |  | 16.89 |  | 2.47 |
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 |  | 18.44 |  | 20.17 |
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 |  | 17.85 |  | 11.65 |
Market Approach Valuation Technique [Member] | Non-Controlling Equity Interest in Limited Liability Company [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Fair value |  | $ 5,588,000 |  |  |
Market Approach Valuation Technique [Member] | Non-Controlling Equity Interest in Limited Liability Company [Member] | Minimum [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Non Binding Third-Party Valuation | [1] | 100.00 |  |  |
Market Approach Valuation Technique [Member] | Non-Controlling Equity Interest in Limited Liability Company [Member] | Maximum [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Non Binding Third-Party Valuation | [1] | 100.00 |  |  |
Market Approach Valuation Technique [Member] | Non-Controlling Equity Interest in Limited Liability Company [Member] | Weighted Average [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Non Binding Third-Party Valuation | [1] | 100.00 |  |  |
Income Approach Valuation Technique [Member] | Corporate debt and warrants [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Fair value |  |  |  | $ 10,080,000 |
Income Approach Valuation Technique [Member] | Corporate debt and warrants [Member] | Minimum [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Yield |  |  |  | 19.70% |
Income Approach Valuation Technique [Member] | Corporate debt and warrants [Member] | Maximum [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Yield |  |  |  | 19.70% |
Income Approach Valuation Technique [Member] | Corporate debt and warrants [Member] | Weighted Average [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Yield |  |  |  | 19.70% |
Income Approach Valuation Technique [Member] | Private Label Residential Mortgage Backed Securities [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Fair value |  | $ 50,466,000 |  | $ 43,059,000 |
Income Approach Valuation Technique [Member] | Private Label Residential Mortgage Backed Securities [Member] | Minimum [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Yield |  | 1.70% |  | 0.60% |
Projected Collateral Prepayments |  | 2.50% |  | 0.00% |
Fair Value Inputs Losses |  | 1.30% |  | 1.40% |
Fair Value Inputs Projected Collateral Recoveries |  | 0.00% |  | 0.40% |
Fair Value Inputs Projected Collateral Scheduled Amortization |  | 12.90% |  | 0.00% |
Income Approach Valuation Technique [Member] | Private Label Residential Mortgage Backed Securities [Member] | Maximum [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Yield |  | 25.60% |  | 20.50% |
Projected Collateral Prepayments |  | 84.60% |  | 81.00% |
Fair Value Inputs Losses |  | 18.20% |  | 51.20% |
Fair Value Inputs Projected Collateral Recoveries |  | 13.90% |  | 53.60% |
Fair Value Inputs Projected Collateral Scheduled Amortization |  | 90.70% |  | 90.70% |
Income Approach Valuation Technique [Member] | Private Label Residential Mortgage Backed Securities [Member] | Weighted Average [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Yield |  | 9.80% |  | 11.00% |
Projected Collateral Prepayments |  | 44.00% |  | 10.00% |
Fair Value Inputs Losses |  | 9.00% |  | 41.40% |
Fair Value Inputs Projected Collateral Recoveries |  | 6.40% |  | 41.20% |
Fair Value Inputs Projected Collateral Scheduled Amortization |  | 40.60% |  | 7.40% |
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 |  | $ 2,332,000 |  | $ 7,439,000 |
Income Approach Valuation Technique [Member] | Collateralized Loan Obligations [Member] | Minimum [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Yield |  | 11.20% |  | 11.20% |
Projected Collateral Prepayments |  | 67.80% |  | 11.40% |
Fair Value Inputs Losses |  | 18.80% |  | 4.50% |
Fair Value Inputs Projected Collateral Recoveries |  | 7.80% |  | 1.50% |
Fair Value Inputs Projected Collateral Scheduled Amortization |  | 0.00% |  | 29.80% |
Income Approach Valuation Technique [Member] | Collateralized Loan Obligations [Member] | Maximum [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Yield |  | 58.70% |  | 50.30% |
Projected Collateral Prepayments |  | 68.70% |  | 55.20% |
Fair Value Inputs Losses |  | 21.00% |  | 28.30% |
Fair Value Inputs Projected Collateral Recoveries |  | 12.50% |  | 27.20% |
Fair Value Inputs Projected Collateral Scheduled Amortization |  | 3.50% |  | 51.50% |
Income Approach Valuation Technique [Member] | Collateralized Loan Obligations [Member] | Weighted Average [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Yield |  | 26.90% |  | 20.50% |
Projected Collateral Prepayments |  | 68.40% |  | 45.50% |
Fair Value Inputs Losses |  | 19.50% |  | 10.70% |
Fair Value Inputs Projected Collateral Recoveries |  | 10.90% |  | 8.60% |
Fair Value Inputs Projected Collateral Scheduled Amortization |  | 1.20% |  | 35.20% |
Total Outstanding Collateral |  | 100.00% |  | 100.00% |
Income Approach Valuation Technique [Member] | Corporate Debt and non-exchange traded corporate equity [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Fair value |  | $ 7,194,000 |  |  |
Income Approach Valuation Technique [Member] | Corporate Debt and non-exchange traded corporate equity [Member] | Minimum [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Yield |  | 8.70% |  |  |
Income Approach Valuation Technique [Member] | Corporate Debt and non-exchange traded corporate equity [Member] | Maximum [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Yield |  | 16.10% |  |  |
Income Approach Valuation Technique [Member] | Corporate Debt and non-exchange traded corporate equity [Member] | Weighted Average [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Yield |  | 15.00% |  |  |
Income Approach Valuation Technique [Member] | Private Label Commercial Mortgage-Backed Securities [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Fair value |  | $ 3,911,000 |  | $ 15,985,000 |
Income Approach Valuation Technique [Member] | Private Label Commercial Mortgage-Backed Securities [Member] | Minimum [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Yield |  | 9.10% |  | 8.80% |
Fair Value Inputs Losses |  | 0.10% |  | 0.10% |
Fair Value Inputs Projected Collateral Recoveries |  | 1.30% |  | 0.90% |
Fair Value Inputs Projected Collateral Scheduled Amortization |  | 80.10% |  | 77.80% |
Income Approach Valuation Technique [Member] | Private Label Commercial Mortgage-Backed Securities [Member] | Maximum [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Yield |  | 50.10% |  | 57.00% |
Fair Value Inputs Losses |  | 5.10% |  | 5.30% |
Fair Value Inputs Projected Collateral Recoveries |  | 14.80% |  | 20.50% |
Fair Value Inputs Projected Collateral Scheduled Amortization |  | 98.60% |  | 99.00% |
Income Approach Valuation Technique [Member] | Private Label Commercial Mortgage-Backed Securities [Member] | Weighted Average [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Yield |  | 23.10% |  | 23.60% |
Fair Value Inputs Losses |  | 2.20% |  | 2.20% |
Fair Value Inputs Projected Collateral Recoveries |  | 8.00% |  | 10.70% |
Fair Value Inputs Projected Collateral Scheduled Amortization |  | 89.80% |  | 87.10% |
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 |  | $ 5,317,000 |  | $ 6,300,000 |
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 |  | 8.70% |  | 0.00% | [2]
Fair Value Inputs Projected Collateral Scheduled Amortization |  | 0.00% |  | 0.00% |
LIBOR OAS |  | 4.23% | [3] | 1.42% | [4]
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% | [2]
Fair Value Inputs Projected Collateral Scheduled Amortization |  | 91.30% |  | 88.10% |
LIBOR OAS |  | 19.50% | [3] | 28.31% | [4]
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 |  | 71.30% |  | 63.60% | [2]
Fair Value Inputs Projected Collateral Scheduled Amortization |  | 28.70% |  | 36.40% |
Total Outstanding Collateral |  | 100.00% |  | 100.00% |
LIBOR OAS |  | 7.29% | [3] | 5.68% | [4]
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 |  | $ 116,340,000 |  | $ 107,157,000 | [2]
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% | [2]
Projected Collateral Prepayments |  | 0.00% |  | 0.00% | [2]
Fair Value Inputs Losses |  | 0.00% |  | 3.30% | [2]
Fair Value Inputs Projected Collateral Scheduled Amortization |  | 5.00% |  | 0.00% | [2]
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 |  | 18.40% |  | 25.00% | [2]
Projected Collateral Prepayments |  | 51.40% |  | 45.40% | [2]
Fair Value Inputs Losses |  | 95.00% |  | 97.40% | [2]
Fair Value Inputs Projected Collateral Scheduled Amortization |  | 100.00% |  | 87.70% | [2]
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% |  | 11.00% | [2]
Projected Collateral Prepayments |  | 36.50% |  | 25.60% | [2]
Fair Value Inputs Losses |  | 7.20% |  | 9.40% | [2]
Fair Value Inputs Projected Collateral Scheduled Amortization |  | 56.30% |  | 65.00% | [2]
Total Outstanding Collateral |  | 100.00% |  | 100.00% | [2]
Income Approach Valuation Technique [Member] | Performing Commercial Mortgage Loans [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Fair value |  | $ 61,339,000 |  | $ 32,557,000 |
Income Approach Valuation Technique [Member] | Performing Commercial Mortgage Loans [Member] | Minimum [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Yield |  | 8.00% |  | 8.00% |
Income Approach Valuation Technique [Member] | Performing Commercial Mortgage Loans [Member] | Maximum [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Yield |  | 15.40% |  | 17.20% |
Income Approach Valuation Technique [Member] | Performing Commercial Mortgage Loans [Member] | Weighted Average [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Yield |  | 11.10% |  | 11.60% |
Income Approach Valuation Technique [Member] | Performing Residential Mortgage Loans [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Fair value |  | $ 153,709,000 |  | $ 78,576,000 |
Income Approach Valuation Technique [Member] | Performing Residential Mortgage Loans [Member] | Minimum [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Yield |  | 1.60% |  | 5.00% |
Income Approach Valuation Technique [Member] | Performing Residential Mortgage Loans [Member] | Maximum [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Yield |  | 24.70% |  | 13.50% |
Income Approach Valuation Technique [Member] | Performing Residential Mortgage Loans [Member] | Weighted Average [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Yield |  | 6.20% |  | 6.60% |
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 |  | $ 9,940,000 |  | $ 7,413,000 |
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 |  | 0.70% |  | 5.80% |
Months to Resolution |  | 3 months | [5] | 1 month 24 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 |  | 42.90% |  | 39.90% |
Months to Resolution |  | 34 months 3 days | [5] | 162 months 27 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 |  | 11.30% |  | 9.70% |
Months to Resolution |  | 12 months 18 days | [5] | 41 months 27 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 |  | $ 31,632,000 |  | $ 30,222,000 |
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 |  | 4.50% |  | 10.20% |
Months to Resolution |  | 3 months |  | 3 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 |  | 23.20% |  | 27.80% |
Months to Resolution |  | 12 months |  | 39 months 3 days |
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 |  | 12.90% |  | 16.30% |
Months to Resolution |  | 8 months 22 days |  | 19 months 15 days |
Income Approach Valuation Technique [Member] | Non-Controlling Equity Interest in Limited Liability Company [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Fair value |  | $ 5,857,000 |  |  |
Income Approach Valuation Technique [Member] | Non-Controlling Equity Interest in Limited Liability Company [Member] | Minimum [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Yield | [1] | 9.00% |  |  |
Income Approach Valuation Technique [Member] | Non-Controlling Equity Interest in Limited Liability Company [Member] | Maximum [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Yield | [1] | 9.00% |  |  |
Income Approach Valuation Technique [Member] | Non-Controlling Equity Interest in Limited Liability Company [Member] | Weighted Average [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Yield | [1] | 9.00% |  |  |
Credit Default Swaps On Asset Backed Securities [Member] | Income Approach Valuation Technique [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Fair value |  | $ 4,323,000 |  | $ 5,070,000 |
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 |  | 19.60% |  | 19.30% |
Fair Value Inputs Losses |  | 14.40% |  | 15.30% |
Fair Value Inputs Projected Collateral Recoveries |  | 5.60% |  | 4.70% |
Fair Value Inputs Projected Collateral Scheduled Amortization |  | 44.20% |  | 43.20% |
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 |  | 26.60% |  | 29.80% |
Fair Value Inputs Losses |  | 24.60% |  | 27.60% |
Fair Value Inputs Projected Collateral Recoveries |  | 15.10% |  | 15.30% |
Fair Value Inputs Projected Collateral Scheduled Amortization |  | 53.30% |  | 50.20% |
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 |  | 22.70% |  | 22.70% |
Fair Value Inputs Losses |  | 21.30% |  | 22.20% |
Fair Value Inputs Projected Collateral Recoveries |  | 9.50% |  | 8.70% |
Fair Value Inputs Projected Collateral Scheduled Amortization |  | 46.50% |  | 46.40% |
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 |  |  |  | $ (94,000) |
Total Return Swaps [Member] | Market Approach Valuation Technique [Member] | Minimum [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Non Binding Third-Party Valuation | [6] |  |  | 98.25 |
Total Return Swaps [Member] | Market Approach Valuation Technique [Member] | Maximum [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Non Binding Third-Party Valuation | [6] |  |  | 99.50 |
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 | [6] |  |  | 98.77 |
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 |  |  |  | $ 3,090,000 |
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% |
Fair Value Assumptions, Expected Term |  |  |  | 2 months 27 days |
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% |
Fair Value Assumptions, Expected Term |  |  |  | 2 months 27 days |
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% |
Fair Value Assumptions, Expected Term |  |  |  | 2 months 27 days |
Corporate Equity Investments [Member] | Non-Exchange Traded Common Equity Investment in Mortgage-Related Entities [Member] | Enterprise Value [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Fair value |  | $ 2,814,000 |  |  |
Corporate Equity Investments [Member] | Non-Exchange Traded Common Equity Investment in Mortgage-Related Entities [Member] | Enterprise Value [Member] | Minimum [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Equity Multiple | [7] | 1.8 |  |  |
Corporate Equity Investments [Member] | Non-Exchange Traded Common Equity Investment in Mortgage-Related Entities [Member] | Enterprise Value [Member] | Maximum [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Equity Multiple | [7] | 1.8 |  |  |
Corporate Equity Investments [Member] | Non-Exchange Traded Common Equity Investment in Mortgage-Related Entities [Member] | Enterprise Value [Member] | Weighted Average [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Equity Multiple | [7] | 1.8 |  |  |
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 |  |  |  | $ 2,500,000 |
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 | [8] |  |  | 1.3 |
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 | [8] |  |  | 1.3 |
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 | [8] |  |  | 1.3 |
Corporate Equity Investments [Member] | Non-Controlling Equity Interest in Limited Liability Company [Member] | Income Approach Valuation Technique [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Fair value | [2] |  |  | $ 7,315,000 |
Corporate Equity Investments [Member] | Non-Controlling Equity Interest in Limited Liability Company [Member] | Income Approach Valuation Technique [Member] | Minimum [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Yield | [2] |  |  | 8.50% |
Corporate Equity Investments [Member] | Non-Controlling Equity Interest in Limited Liability Company [Member] | Income Approach Valuation Technique [Member] | Maximum [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Yield | [2] |  |  | 8.50% |
Corporate Equity Investments [Member] | Non-Controlling Equity Interest in Limited Liability Company [Member] | Income Approach Valuation Technique [Member] | Weighted Average [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Yield | [2] |  |  | 8.50% |
Corporate Equity Investments [Member] | Non-Exchange Traded Preferred Equity Investment in Mortgage-Related Entities [Member] | Enterprise Value [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Fair value |  | $ 19,000,000 |  |  |
Corporate Equity Investments [Member] | Non-Exchange Traded Preferred Equity Investment in Mortgage-Related Entities [Member] | Enterprise Value [Member] | Minimum [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Equity Multiple | [7] | 1.0 |  |  |
Corporate Equity Investments [Member] | Non-Exchange Traded Preferred Equity Investment in Mortgage-Related Entities [Member] | Enterprise Value [Member] | Maximum [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Equity Multiple | [7] | 1.0 |  |  |
Corporate Equity Investments [Member] | Non-Exchange Traded Preferred Equity Investment in Mortgage-Related Entities [Member] | Enterprise Value [Member] | Weighted Average [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Equity Multiple | [7] | 1.0 |  |  |
Corporate Equity Investments [Member] | Non-Exchange Traded Preferred Equity Investment in Mortgage-Related Entities [Member] | Recent Transactions [Member] |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Fair value |  |  |  | $ 12,500,000 |
[1] | Represents the significant unobservable inputs used to fair value the financial instruments of the limited liability company. The fair value of such financial instruments is the largest component of the valuation of the limited liability company as a whole.
[2] | Conformed to current period presentation.
[3] | Shown in basis points.
[4] | Shown in basis points.
[5] | Excludes certain loans that are re-performing.
[6] | Represents valuations on underlying assets.
[7] | Represent an estimation of where market participants might value an enterprise on a price-to-book basis.
[8] | Represent an estimation of where market participants might value an enterprise on a price-to-book basis.

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