Valuation (Schedule Of Significant Unobservable Inputs, Qualitative Information) (Details) - Level 3 [Member]	6 Months Ended		12 Months Ended
	Jun. 30, 2018 USD ($)		Dec. 31, 2017 USD ($)
Market Approach Valuation Technique [Member] | Private Label Residential Mortgage Backed Securities [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair value	$ 31,830,000		$ 40,870,000
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	3.50		45.00
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	172.06		183.00
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	81.00		81.63
Market Approach Valuation Technique [Member] | Collateralized Loan Obligations [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair value			$ 10,288,000
Market Approach Valuation Technique [Member] | Collateralized Loan Obligations [Member] | Minimum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Non Binding Third-Party Valuation			85.00
Market Approach Valuation Technique [Member] | Collateralized Loan Obligations [Member] | Maximum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Non Binding Third-Party Valuation			435.00
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			138.94
Market Approach Valuation Technique [Member] | Corporate Debt and non-exchange traded corporate equity [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair value	$ 4,402,000		$ 6,797,000
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	8.50		8.88
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	99.75		105.63
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	73.32		82.94
Market Approach Valuation Technique [Member] | Private Label Commercial Mortgage-Backed Securities [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair value	$ 6,641,000		$ 7,577,000
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	5.18		5.31
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	95.27		60.55
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	86.02		36.19
Market Approach Valuation Technique [Member] | Agency Interest Only Residential Mortgage-Backed Securities [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair value	$ 609,000		$ 1,225,000
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	3.71		10.14
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	4.98		18.21
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	4.35		15.25
Market Approach Valuation Technique [Member] | Non-Controlling Equity Interest in Limited Liability Company [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair value	$ 5,284,000		$ 5,033,000
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	97.47	[1]	96.91	[2]
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	97.47	[1]	96.91	[2]
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	97.47	[1]	96.91	[2]
Income Approach Valuation Technique [Member] | Corporate debt, non-exchange traded corporate equity, and secured notes [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair value	$ 17,032,000
Income Approach Valuation Technique [Member] | Corporate debt, non-exchange traded corporate equity, and secured notes [Member] | Minimum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Yield	14.30%
Income Approach Valuation Technique [Member] | Corporate debt, non-exchange traded corporate equity, and secured notes [Member] | Maximum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Yield	15.00%
Income Approach Valuation Technique [Member] | Corporate debt, non-exchange traded corporate equity, and secured notes [Member] | Weighted Average [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Yield	14.80%
Income Approach Valuation Technique [Member] | Private Label Residential Mortgage Backed Securities [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair value	$ 64,566,000		$ 60,427,000
Income Approach Valuation Technique [Member] | Private Label Residential Mortgage Backed Securities [Member] | Minimum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Yield	3.00%		0.50%
Projected Collateral Prepayments	1.40%		2.10%
Fair Value Inputs Losses	0.50%		0.90%
Fair Value Inputs Projected Collateral Recoveries	0.00%		0.30%
Fair Value Inputs Projected Collateral Scheduled Amortization	9.50%		12.50%
Income Approach Valuation Technique [Member] | Private Label Residential Mortgage Backed Securities [Member] | Maximum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Yield	40.00%		26.50%
Projected Collateral Prepayments	89.20%		84.70%
Fair Value Inputs Losses	20.00%		18.20%
Fair Value Inputs Projected Collateral Recoveries	13.90%		31.50%
Fair Value Inputs Projected Collateral Scheduled Amortization	92.00%		90.20%
Income Approach Valuation Technique [Member] | Private Label Residential Mortgage Backed Securities [Member] | Weighted Average [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Yield	8.50%		9.80%
Projected Collateral Prepayments	46.50%		38.30%
Fair Value Inputs Losses	9.10%		8.60%
Fair Value Inputs Projected Collateral Recoveries	7.30%		11.30%
Fair Value Inputs Projected Collateral Scheduled Amortization	37.10%		41.80%
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	$ 6,109,000		$ 14,623,000
Income Approach Valuation Technique [Member] | Collateralized Loan Obligations [Member] | Minimum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Yield	8.30%		7.10%
Projected Collateral Prepayments	7.90%		22.50%
Fair Value Inputs Losses	1.80%		1.90%
Fair Value Inputs Projected Collateral Recoveries	3.10%		3.40%
Fair Value Inputs Projected Collateral Scheduled Amortization	0.00%		0.00%
Income Approach Valuation Technique [Member] | Collateralized Loan Obligations [Member] | Maximum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Yield	90.30%		62.20%
Projected Collateral Prepayments	91.20%		92.90%
Fair Value Inputs Losses	48.20%		40.20%
Fair Value Inputs Projected Collateral Recoveries	43.90%		37.20%
Fair Value Inputs Projected Collateral Scheduled Amortization	3.70%		4.10%
Income Approach Valuation Technique [Member] | Collateralized Loan Obligations [Member] | Weighted Average [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Yield	25.40%		15.20%
Projected Collateral Prepayments	65.30%		77.90%
Fair Value Inputs Losses	20.00%		10.30%
Fair Value Inputs Projected Collateral Recoveries	13.90%		9.50%
Fair Value Inputs Projected Collateral Scheduled Amortization	0.80%		2.30%
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			$ 20,301,000
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			3.00%
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			10.60%
Income Approach Valuation Technique [Member] | Private Label Commercial Mortgage-Backed Securities [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair value	$ 2,120,000		$ 4,770,000
Income Approach Valuation Technique [Member] | Private Label Commercial Mortgage-Backed Securities [Member] | Minimum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Yield	6.70%		4.30%
Projected Collateral Prepayments	0.00%
Fair Value Inputs Losses	2.90%		1.10%
Fair Value Inputs Projected Collateral Recoveries	6.80%		2.80%
Fair Value Inputs Projected Collateral Scheduled Amortization	86.30%		80.10%
Income Approach Valuation Technique [Member] | Private Label Commercial Mortgage-Backed Securities [Member] | Maximum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Yield	35.50%		42.50%
Projected Collateral Prepayments	0.00%
Fair Value Inputs Losses	3.00%		5.20%
Fair Value Inputs Projected Collateral Recoveries	10.90%		17.10%
Fair Value Inputs Projected Collateral Scheduled Amortization	90.20%		96.10%
Income Approach Valuation Technique [Member] | Private Label Commercial Mortgage-Backed Securities [Member] | Weighted Average [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Yield	23.00%		18.60%
Projected Collateral Prepayments	0.00%
Fair Value Inputs Losses	2.90%		2.50%
Fair Value Inputs Projected Collateral Recoveries	9.30%		8.50%
Fair Value Inputs Projected Collateral Scheduled Amortization	87.80%		89.00%
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	$ 5,280,000		$ 4,948,000
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	48.00%		51.20%
Fair Value Inputs Projected Collateral Scheduled Amortization	0.00%		0.00%
LIBOR OAS	0.70%	[3]	3.81%	[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%
Fair Value Inputs Projected Collateral Scheduled Amortization	52.00%		48.80%
LIBOR OAS	35.21%	[3]	35.21%	[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	63.70%		69.10%
Fair Value Inputs Projected Collateral Scheduled Amortization	36.30%		30.90%
Total Outstanding Collateral	100.00%		100.00%
LIBOR OAS	6.13%	[3]	7.30%	[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	$ 199,254,000		$ 135,258,000
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	7.00%		7.00%
Projected Collateral Prepayments	1.30%		2.20%
Fair Value Inputs Losses	2.90%		0.40%
Fair Value Inputs Projected Collateral Scheduled Amortization	47.40%		46.80%
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	21.80%		18.90%
Projected Collateral Prepayments	49.10%		50.10%
Fair Value Inputs Losses	40.90%		28.60%
Fair Value Inputs Projected Collateral Scheduled Amortization	90.90%		95.20%
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	9.20%		9.50%
Projected Collateral Prepayments	36.50%		33.50%
Fair Value Inputs Losses	8.50%		8.20%
Fair Value Inputs Projected Collateral Scheduled Amortization	55.00%		58.30%
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	$ 98,126,000		$ 84,377,000
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	17.10%		15.40%
Income Approach Valuation Technique [Member] | Performing Commercial Mortgage Loans [Member] | Weighted Average [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Yield	10.90%		10.70%
Income Approach Valuation Technique [Member] | Performing Residential Mortgage Loans [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair value	$ 173,871,000		$ 42,030,000
Income Approach Valuation Technique [Member] | Performing Residential Mortgage Loans [Member] | Minimum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Yield	3.60%		1.60%
Income Approach Valuation Technique [Member] | Performing Residential Mortgage Loans [Member] | Maximum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Yield	11.90%		18.80%
Income Approach Valuation Technique [Member] | Performing Residential Mortgage Loans [Member] | Weighted Average [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Yield	5.70%		6.20%
Income Approach Valuation Technique [Member] | Securitized Residential Mortgage Loans [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair value	$ 107,856,000	[5]	$ 132,424,000	[6]
Income Approach Valuation Technique [Member] | Securitized Residential Mortgage Loans [Member] | Minimum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Yield	5.10%	[5]	3.50%	[6]
Income Approach Valuation Technique [Member] | Securitized Residential Mortgage Loans [Member] | Maximum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Yield	5.10%	[5]	3.50%	[6]
Income Approach Valuation Technique [Member] | Securitized Residential Mortgage Loans [Member] | Weighted Average [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Yield	5.10%	[5]	3.50%	[6]
Income Approach Valuation Technique [Member] | Non-Controlling Equity Interest in Limited Liability Company [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair value	$ 7,203,000		$ 5,693,000
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	9.80%	[1]	9.10%	[2]
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	12.70%	[1]	9.10%	[2]
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	10.30%	[1]	9.10%	[2]
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	$ 40,270,000		$ 49,610,000
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	11.50%		11.40%
Months to Resolution	6 months		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	18.50%		36.50%
Months to Resolution	11 months		17 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	14.30%		17.70%
Months to Resolution	7 months 13 days		9 months 15 days
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	$ 12,639,000		$ 8,609,000
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	4.40%		2.80%
Months to Resolution	4 months 27 days	[7]	1 month 27 days	[8]
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	45.80%		34.50%
Months to Resolution	57 months 9 days	[7]	40 months 15 days	[8]
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	9.10%		8.90%
Months to Resolution	31 months 21 days	[7]	25 months 18 days	[8]
Credit Default Swaps On Asset Backed Securities [Member] | Income Approach Valuation Technique [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair value	$ 2,591,000		$ 3,140,000
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	20.10%		19.80%
Fair Value Inputs Losses	13.10%		14.60%
Fair Value Inputs Projected Collateral Recoveries	6.10%		5.80%
Fair Value Inputs Projected Collateral Scheduled Amortization	45.90%		45.50%
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	27.60%		26.50%
Fair Value Inputs Losses	24.60%		23.80%
Fair Value Inputs Projected Collateral Recoveries	14.80%		14.30%
Fair Value Inputs Projected Collateral Scheduled Amortization	52.80%		51.00%
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	22.90%		22.40%
Fair Value Inputs Losses	18.80%		19.70%
Fair Value Inputs Projected Collateral Recoveries	9.80%		10.60%
Fair Value Inputs Projected Collateral Scheduled Amortization	48.50%		47.30%
Total Outstanding Collateral	100.00%		100.00%
Other secured borrowings [Member] | Income Approach Valuation Technique [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Liabilities, Fair Value Disclosure, Recurring	$ (101,100,000)	[5]	$ (125,105,000)	[6]
Other secured borrowings [Member] | Income Approach Valuation Technique [Member] | Minimum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Yield	3.90%	[5]	2.80%	[6]
Other secured borrowings [Member] | Income Approach Valuation Technique [Member] | Maximum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Yield	3.90%	[5]	2.80%	[6]
Other secured borrowings [Member] | Income Approach Valuation Technique [Member] | Weighted Average [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Yield	3.90%	[5]	2.80%	[6]
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		$ 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	1.8	[9]	2.0	[10]
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	1.8	[9]	2.0	[10]
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	1.8	[9]	2.0	[10]
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	$ 28,009,000		$ 20,774,000
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	1.0	[9]	0.9	[10]
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	1.0	[9]	0.9	[10]
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	1.0	[9]	0.9	[10]

[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] 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.

[3] Shown in basis points.

[4] Shown in basis points.

[5] Securitized residential mortgage loans and Other secured borrowings, at fair value, represent financial assets and liabilities of the Company's CFE as discussed in Note 2.

[6] Securitized residential mortgage loans and Other secured borrowings, at fair value, represent financial assets and liabilities of the Company's CFE as discussed in Note 2.

[7] Excludes certain loans that are re-performing.

[8] Excludes certain loans that are re-performing.

[9] Represent an estimation of where market participants might value an enterprise on a price-to-book basis.

[10] Represent an estimation of where market participants might value an enterprise on a price-to-book basis.