10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 10-Q   

☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended September 30, 2021

OR

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from _______ to ____________

Commission file number 001-32216

NEW YORK MORTGAGE TRUST, INC.

(Exact Name of Registrant as Specified in Its Charter)

Maryland	47-0934168
(State or Other Jurisdiction of Incorporation or Organization)	(I.R.S. Employer Identification No.)

90 Park Avenue, New York, New York 10016

(Address of Principal Executive Office) (Zip Code)

(212) 792-0107

(Registrant’s Telephone Number, Including Area Code)

Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class	Trading Symbols	Name of Each Exchange on Which Registered
Common Stock, par value $0.01 per share	NYMT	NASDAQ	Stock Market
7.75% Series B Cumulative Redeemable Preferred Stock, par value $0.01 per share, $25.00 Liquidation Preference	NYMTP	NASDAQ	Stock Market
8.000% Series D Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock, par value $0.01 per share, $25.00 Liquidation Preference	NYMTN	NASDAQ	Stock Market
7.875% Series E Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock, par value $0.01 per share, $25.00 Liquidation Preference	NYMTM	NASDAQ	Stock Market
6.875% Series F Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock, par value $0.01 per share, $25.00 Liquidation Preference	NYMTL	NASDAQ	Stock Market

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

Yes ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).

Yes ☒ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large Accelerated Filer ☒ Accelerated Filer ☐ Non-Accelerated Filer ☐ Smaller Reporting Company ☐ Emerging Growth Company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

Yes ☐ No ☒

The number of shares of the registrant’s common stock, par value $0.01 per share, outstanding on November 4, 2021 was 379,286,475.

NEW YORK MORTGAGE TRUST, INC.

FORM 10-Q

PART I. Financial Information
	Item 1. Condensed Consolidated Financial Statements
	Condensed Consolidated Balance Sheets as of September 30, 2021 (Unaudited) and December 31, 2020	4
	Unaudited Condensed Consolidated Statements of Operations for the Three and Nine Months Ended September 30, 2021 and 2020	5
	Unaudited Condensed Consolidated Statements of Comprehensive Income for the Three and Nine Months Ended September 30, 2021 and 2020	6
	Unaudited Condensed Consolidated Statements of Changes in Stockholders’ Equity for the Three and Nine Months Ended September 30, 2021 and 2020	7
	Unaudited Condensed Consolidated Statements of Cash Flows for the Nine Months Ended September 30, 2021 and 2020	9
	Unaudited Notes to the Condensed Consolidated Financial Statements	11
	Note 1. Organization	11
	Note 2. Summary of Significant Accounting Policies	12
	Note 3. Residential Loans, at Fair Value	15
	Note 4. Multi-family Loans, at Fair Value	17
	Note 5. Investment Securities Available For Sale, at Fair Value	18
	Note 6. Equity Investments, at Fair Value	21
	Note 7. Use of Special Purpose Entities (SPE) and Variable Interest Entities (VIE)	25
	Note 8. Derivative Instruments and Hedging Activities	31
	Note 9. Operating Real Estate, Net	32
	Note 10. Repurchase Agreements	33
	Note 11. Collateralized Debt Obligations	34
	Note 12. Debt	36
	Note 13. Commitments and Contingencies	39
	Note 14. Fair Value of Financial Instruments	40
	Note 15. Stockholders' Equity	48
	Note 16. Earnings (Loss) Per Common Share	52
	Note 17. Stock Based Compensation	53
	Note 18. Income Taxes	57
	Note 19. Net Interest Income	59
	Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations	60
	Item 3. Quantitative and Qualitative Disclosures about Market Risk	106
	Item 4. Controls and Procedures	112
PART II. OTHER INFORMATION
	Item 1A. Risk Factors	113
	Item 6. Exhibits	114
SIGNATURES		117

PART I.  FINANCIAL INFORMATION

Item 1.  Condensed Consolidated Financial Statements

The accompanying notes are an integral part of the condensed consolidated financial statements.

3

NEW YORK MORTGAGE TRUST, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED BALANCE SHEETS

(Dollar amounts in thousands, except share data)

	September 30, 2021		December 31, 2020
	(unaudited)
ASSETS
Residential loans, at fair value	$	3,273,807	$	3,049,166
Multi-family loans, at fair value	119,812		163,593
Investment securities available for sale, at fair value	448,093		724,726
Equity investments, at fair value	255,014		259,095
Cash and cash equivalents	408,785		293,183
Operating real estate, net	270,606		50,532
Other assets	136,692		115,292
Total Assets (1)	$	4,912,809	$	4,655,587
LIABILITIES AND STOCKHOLDERS' EQUITY
Liabilities:
Repurchase agreements	$	334,556	$	405,531
Collateralized debt obligations ($904,976 at fair value and $710,102 at amortized cost, net as of September 30, 2021 and $1,054,335 at fair value and $569,323 at amortized cost, net as of December 31, 2020)	1,615,078		1,623,658
Convertible notes	137,240		135,327
Senior unsecured notes	96,540		—
Subordinated debentures	45,000		45,000
Mortgages payable on operating real estate, net	200,720		36,752
Other liabilities	121,256		101,746
Total liabilities (1)	2,550,390		2,348,014
Commitments and Contingencies
Stockholders' Equity:
Preferred stock, par value $0.01 per share, 32,050,000 and 30,900,000 shares authorized as of September 30, 2021 and December 31, 2020, respectively, 22,441,081 and 20,872,888 shares issued and outstanding as of September 30, 2021 and December 31, 2020, respectively ($561,027 and $521,822 aggregate liquidation preference as of September 30, 2021 and December 31, 2020, respectively)	542,232		504,765
Common stock, par value $0.01 per share, 800,000,000 shares authorized, 379,286,475 and 377,744,476 shares issued and outstanding as of September 30, 2021 and December 31, 2020, respectively	3,793		3,777
Additional paid-in capital	2,353,483		2,342,934
Accumulated other comprehensive income	2,041		994
Accumulated deficit	(543,756)		(551,268)
Company's stockholders' equity	2,357,793		2,301,202
Non-controlling interest in consolidated variable interest entities	4,626		6,371
Total equity	2,362,419		2,307,573
Total Liabilities and Stockholders' Equity	$	4,912,809	$	4,655,587

(1)Our condensed consolidated balance sheets include assets and liabilities of consolidated variable interest entities ("VIEs") as the Company is the primary beneficiary of these VIEs. As of September 30, 2021 and December 31, 2020, assets of consolidated VIEs totaled $2,217,348 and $2,150,984, respectively, and the liabilities of consolidated VIEs totaled $1,793,066 and $1,667,306, respectively. See Note 7 for further discussion.

The accompanying notes are an integral part of the condensed consolidated financial statements.

4

NEW YORK MORTGAGE TRUST, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(Dollar amounts in thousands, except per share data)

(unaudited)

	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
	2021		2020		2021		2020
NET INTEREST INCOME:
Interest income	$	52,323	$	45,358	$	154,548	$	303,941
Interest expense	21,292		19,829		61,702		202,807
Total net interest income	31,031		25,529		92,846		101,134
NON-INTEREST INCOME (LOSS):
Realized gains (losses), net	8,314		(1,067)		20,361		(149,919)
Realized loss on de-consolidation of Consolidated K-Series	—		—		—		(54,118)
Unrealized gains (losses), net	30,138		81,198		80,157		(212,711)
Income from equity investments	8,015		9,966		22,021		14,573
Impairment of goodwill	—		—		—		(25,222)
Income from operating real estate	3,980		—		7,626		—
Other (loss) income	(1,035)		431		2,244		337
Total non-interest income (loss)	49,412		90,528		132,409		(427,060)
GENERAL, ADMINISTRATIVE AND OPERATING EXPENSES:
General and administrative expenses	12,458		10,159		36,419		32,570
Expenses related to operating real estate	8,549		—		15,386		—
Portfolio operating expenses	7,039		3,265		18,558		8,812
Total general, administrative and operating expenses	28,046		13,424		70,363		41,382
INCOME (LOSS) FROM OPERATIONS BEFORE INCOME TAXES	52,397		102,633		154,892		(367,308)
Income tax expense (benefit)	1,215		(772)		1,296		917
NET INCOME (LOSS)	51,182		103,405		153,596		(368,225)
Net loss (income) attributable to non-controlling interest in consolidated variable interest entities	394		(1,764)		3,428		(704)
NET INCOME (LOSS) ATTRIBUTABLE TO COMPANY	51,576		101,641		157,024		(368,929)
Preferred stock dividends	(11,272)		(10,297)		(31,865)		(30,890)
Preferred stock redemption charge	(3,443)		—		(3,443)		—
NET INCOME (LOSS) ATTRIBUTABLE TO COMPANY'S COMMON STOCKHOLDERS	$	36,861	$	91,344	$	121,716	$	(399,819)
Basic earnings (loss) per common share	$	0.10	$	0.24	$	0.32	$	(1.08)
Diluted earnings (loss) per common share	$	0.10	$	0.23	$	0.32	$	(1.08)
Weighted average shares outstanding-basic	379,395		377,744		379,193		368,740
Weighted average shares outstanding-diluted	380,983		399,709		381,105		368,740

The accompanying notes are an integral part of the condensed consolidated financial statements.

5

NEW YORK MORTGAGE TRUST, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(Dollar amounts in thousands)

(unaudited)

	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
	2021		2020		2021		2020
NET INCOME (LOSS) ATTRIBUTABLE TO COMPANY'S COMMON STOCKHOLDERS	$	36,861	$	91,344	$	121,716	$	(399,819)
OTHER COMPREHENSIVE (LOSS) INCOME
Increase (decrease) in fair value of available for sale securities	637		12,645		5,062		(44,408)
Reclassification adjustment for net (gain) loss included in net income (loss)	(6,045)		9,845		(4,015)		7,338
TOTAL OTHER COMPREHENSIVE (LOSS) INCOME	(5,408)		22,490		1,047		(37,070)
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO COMPANY'S COMMON STOCKHOLDERS	$	31,453	$	113,834	$	122,763	$	(436,889)

The accompanying notes are an integral part of the condensed consolidated financial statements.

6

NEW YORK MORTGAGE TRUST, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY

(Dollar amounts in thousands)

(unaudited)

For the Three Months Ended
	Common Stock		Preferred Stock		Additional Paid-In Capital		Accumulated Deficit		Accumulated Other Comprehensive Income (Loss)		Total Company Stockholders' Equity		Non-Controlling Interest in Consolidated VIEs		Total
Balance, June 30, 2021	$	3,794	$	504,765	$	2,347,753	$	(542,600)	$	7,449	$	2,321,161	$	5,198	$	2,326,359
Net income (loss)	—		—		—		51,576		—		51,576		(394)		51,182
Preferred stock issuance, net	—		138,569		—		—		—		138,569		—		138,569
Preferred stock redemption	—		(101,102)		—		(3,443)		—		(104,545)		—		(104,545)
Stock based compensation expense, net	(1)		—		2,310		—		—		2,309		—		2,309
Dividends declared on common stock	—		—		—		(37,940)		—		(37,940)		—		(37,940)
Dividends declared on preferred stock	—		—		—		(11,272)		—		(11,272)		—		(11,272)
Dividends attributable to dividend equivalents	—		—		—		(77)		—		(77)		—		(77)
Reclassification adjustment for net gain included in net income	—		—		—		—		(6,045)		(6,045)		—		(6,045)
Increase in fair value of available for sale securities	—		—		—		—		637		637		—		637
Increase in non-controlling interest related to initial consolidation of VIEs	—		—		—		—		—		—		3,252		3,252
Decrease in non-controlling interest related to redemptions by and distributions from Consolidated VIEs	—		—		3,420		—		—		3,420		(3,430)		(10)
Balance, September 30, 2021	$	3,793	$	542,232	$	2,353,483	$	(543,756)	$	2,041	$	2,357,793	$	4,626	$	2,362,419

Balance, June 30, 2020	$	3,775	$	504,765	$	2,337,222	$	(646,629)	$	(34,428)	$	2,164,705	$	(1,764)	$	2,162,941
Net income	—		—		—		101,641		—		101,641		1,764		103,405
Stock based compensation expense, net	2		—		3,173		—		—		3,175		—		3,175
Dividends declared on common stock	—		—		—		(28,331)		—		(28,331)		—		(28,331)
Dividends declared on preferred stock	—		—		—		(10,297)		—		(10,297)		—		(10,297)
Reclassification adjustment for net loss included in net income	—		—		—		—		9,845		9,845		—		9,845
Increase in fair value of available for sale securities	—		—		—		—		12,645		12,645		—		12,645
Balance, September 30, 2020	$	3,777	$	504,765	$	2,340,395	$	(583,616)	$	(11,938)	$	2,253,383	$	—	$	2,253,383

The accompanying notes are an integral part of the condensed consolidated financial statements.

7

NEW YORK MORTGAGE TRUST, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY

(Dollar amounts in thousands)

(unaudited)

For the Nine Months Ended
	Common Stock		Preferred Stock		Additional Paid-In Capital		Accumulated Deficit		Accumulated Other Comprehensive Income (Loss)		Total Company Stockholders' Equity		Non-Controlling Interest in Consolidated VIEs		Total
Balance, December 31, 2020	$	3,777	$	504,765	$	2,342,934	$	(551,268)	$	994	$	2,301,202	$	6,371	$	2,307,573
Net income (loss)	—		—		—		157,024		—		157,024		(3,428)		153,596
Preferred stock issuance, net	—		138,569		—		—		—		138,569		—		138,569
Preferred stock redemption	—		(101,102)		—		(3,443)		—		(104,545)		—		(104,545)
Stock based compensation expense, net	16		—		7,129		—		—		7,145		—		7,145
Dividends declared on common stock	—		—		—		(113,809)		—		(113,809)		—		(113,809)
Dividends declared on preferred stock	—		—		—		(31,865)		—		(31,865)		—		(31,865)
Dividends attributable to dividend equivalents	—		—		—		(395)		—		(395)		—		(395)
Reclassification adjustment for net gain included in net income	—		—		—		—		(4,015)		(4,015)		—		(4,015)
Increase in fair value of available for sale securities	—		—		—		—		5,062		5,062		—		5,062
Increase in non-controlling interest related to initial consolidation of VIEs	—		—		—		—		—		—		5,127		5,127
Decrease in non-controlling interest related to redemptions by and distributions from Consolidated VIEs	—		—		3,420		—		—		3,420		(3,444)		(24)
Balance, September 30, 2021	$	3,793	$	542,232	$	2,353,483	$	(543,756)	$	2,041	$	2,357,793	$	4,626	$	2,362,419

Balance, December 31, 2019	$	2,914	$	504,765	$	1,821,785	$	(148,863)	$	25,132	$	2,205,733	$	(704)	$	2,205,029
Cumulative-effect adjustment for implementation of fair value option	—		—		—		12,284		—		12,284		—		12,284
Net (loss) income	—		—		—		(368,929)		—		(368,929)		704		(368,225)
Common stock issuance, net	851		—		511,055		—		—		511,906		—		511,906
Stock based compensation expense, net	12		—		7,555		—		—		7,567		—		7,567
Dividends declared on common stock	—		—		—		(47,218)		—		(47,218)		—		(47,218)
Dividends declared on preferred stock	—		—		—		(30,890)		—		(30,890)		—		(30,890)
Reclassification adjustment for net loss included in net loss	—		—		—		—		7,338		7,338		—		7,338
Decrease in fair value of available for sale securities	—		—		—		—		(44,408)		(44,408)		—		(44,408)
Balance, September 30, 2020	$	3,777	$	504,765	$	2,340,395	$	(583,616)	$	(11,938)	$	2,253,383	$	—	$	2,253,383

The accompanying notes are an integral part of the condensed consolidated financial statements.

8

NEW YORK MORTGAGE TRUST, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(Dollar amounts in thousands)

(unaudited)

	For the Nine Months Ended September 30,
	2021		2020
Cash Flows from Operating Activities:
Net income (loss)	$	153,596	$	(368,225)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Net amortization	35,489		3,675
Realized (gains) losses, net	(20,361)		149,919
Realized loss on de-consolidation of Consolidated K-Series	—		54,118
Unrealized (gains) losses, net	(80,157)		212,711
Impairment of goodwill	—		25,222
Impairment of real estate under development in Consolidated VIEs	—		1,754
Loss on extinguishment of collateralized debt obligations	1,583		—
Income from preferred equity, mezzanine loan and equity investments	(36,144)		(30,963)
Distributions of income from preferred equity, mezzanine loan and equity investments	37,469		17,285
Stock based compensation expense, net	7,145		7,567
Changes in operating assets and liabilities:
Other assets	(35,825)		70,863
Other liabilities	15,204		(67,334)
Net cash provided by operating activities	77,999		76,592
Cash Flows from Investing Activities:
Proceeds from sales of investment securities	248,458		1,815,369
Principal paydowns received on investment securities	85,379		162,277
Purchases of investment securities	(53,711)		(448,093)
Principal repayments received on residential loans	759,150		307,522
Proceeds from sales of residential loans	67,452		93,755
Purchases of residential loans	(975,587)		(249,312)
Principal repayments received on preferred equity and mezzanine loan investments	50,150		11,243
Return of capital from equity investments	50,275		17,432
Funding of preferred equity, mezzanine loan and equity investments	(53,200)		(49,663)
Funding of joint venture investments in Consolidated VIEs	(65,195)		—
Proceeds from sales resulting in de-consolidation of Consolidated K-Series	—		555,218
Principal repayments received on multi-family loans held in Consolidated K-Series	—		239,796
Net payments made on derivative instruments settled during the period	—		(28,233)
Proceeds from sale of real estate owned	6,185		3,791
Cash received from initial consolidation of VIEs	3,716		—
Purchases of and capital expenditures on operating real estate	(13,466)		—
Distributions to non-controlling interest in Consolidated VIEs	(24)		—
Purchases of other assets	(88)		(431)
Net cash provided by investing activities	109,494		2,430,671
Cash Flows from Financing Activities:
Net payments made on repurchase agreements	(72,498)		(2,434,447)
Proceeds from issuance of senior unsecured notes, net	96,267		—
Proceeds from issuance of collateralized debt obligations, net	433,241		350,052
Common stock issuance, net	—		511,924
Preferred stock issuance, net	138,569		—
Redemption of preferred stock	(104,545)		—
Dividends paid on common stock and dividend equivalents	(113,676)		(77,161)
Dividends paid on preferred stock	(31,233)		(30,768)
Payments made on and extinguishment of collateralized debt obligations	(295,109)		(33,197)
Payments made on Consolidated K-Series CDOs	—		(147,376)
Payments made on Consolidated SLST CDOs	(113,834)		(63,278)
Proceeds received from mortgages payable on operating real estate	1,518		—
Net cash used in financing activities	(61,300)		(1,924,251)
Net Increase in Cash, Cash Equivalents and Restricted Cash	126,193		583,012
Cash, Cash Equivalents and Restricted Cash - Beginning of Period	304,490		121,612
Cash, Cash Equivalents and Restricted Cash - End of Period	$	430,683	$	704,624

The accompanying notes are an integral part of the condensed consolidated financial statements.

9

NEW YORK MORTGAGE TRUST, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (continued)

(Dollar amounts in thousands)

(unaudited)

Supplemental Disclosure:
Cash paid for interest	$	54,470	$	277,087
Cash paid for income taxes	$	6	$	1,521
Non-Cash Investment Activities:
De-consolidation of multi-family loans held in Consolidated K-Series	$	—	$	17,381,483
De-consolidation of Consolidated K-Series CDOs	$	—	$	16,612,093
Transfer from residential loans to real estate owned	$	3,787	$	6,558
Non-Cash Financing Activities:
Dividends declared on common stock and dividend equivalents to be paid in subsequent period	$	38,302	$	28,331
Dividends declared on preferred stock to be paid in subsequent period	$	10,929	$	10,297
Redemption of non-controlling interest by Consolidated VIE	$	3,420	$	—
Cash, Cash Equivalents and Restricted Cash Reconciliation:
Cash and cash equivalents	$	408,785	$	649,822
Restricted cash included in other assets	21,898		54,802
Total cash, cash equivalents, and restricted cash	$	430,683	$	704,624

The accompanying notes are an integral part of the condensed consolidated financial statements.

10

NEW YORK MORTGAGE TRUST, INC. AND SUBSIDIARIES

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

September 30, 2021

(unaudited)

1.Organization

New York Mortgage Trust, Inc., together with its consolidated subsidiaries (“NYMT,” “we,” “our,” or the “Company”), is a real estate investment trust ("REIT") in the business of acquiring, investing in, financing and managing primarily mortgage-related single-family and multi-family residential assets. Our objective is to deliver long-term stable distributions to our stockholders over changing economic conditions through a combination of net interest margin and capital gains from a diversified investment portfolio. Our investment portfolio includes credit sensitive single-family and multi-family assets.

The Company conducts its business through the parent company, New York Mortgage Trust, Inc., and several subsidiaries, including taxable REIT subsidiaries (“TRSs”), qualified REIT subsidiaries (“QRSs”) and special purpose subsidiaries established for securitization purposes. The Company consolidates all of its subsidiaries under generally accepted accounting principles in the United States of America (“GAAP”).

The Company is organized and conducts its operations to qualify as a REIT for U.S. federal income tax purposes. As such, the Company will generally not be subject to federal income taxes on that portion of its income that is distributed to stockholders if it distributes at least 90% of its REIT taxable income to its stockholders by the due date of its federal income tax return and complies with various other requirements.

11

2.Summary of Significant Accounting Policies

Definitions – The following defines certain of the commonly used terms in these financial statements: 

“RMBS” refers to residential mortgage-backed securities backed by adjustable-rate, hybrid adjustable-rate, or fixed-rate residential loans;

“Agency RMBS” refers to RMBS representing interests in or obligations backed by pools of residential loans guaranteed by a government sponsored enterprise (“GSE”), such as the Federal National Mortgage Association (“Fannie Mae”) or the Federal Home Loan Mortgage Corporation (“Freddie Mac”), or an agency of the U.S. government, such as the Government National Mortgage Association (“Ginnie Mae”);

“non-Agency RMBS” refers to RMBS that are not guaranteed by any agency of the U.S. Government or GSE;

“IOs” refers collectively to interest only and inverse interest only mortgage-backed securities that represent the right to the interest component of the cash flow from a pool of mortgage loans;

“POs” refers to mortgage-backed securities that represent the right to the principal component of the cash flow from a pool of mortgage loans;

“ARMs” refers to adjustable-rate residential loans;

“Agency ARMs” refers to Agency RMBS comprised of adjustable-rate and hybrid adjustable-rate RMBS;

“Agency fixed-rate RMBS” refers to Agency RMBS comprised of fixed-rate RMBS;

“ABS” refers to debt and/or equity tranches of securitizations backed by various asset classes including, but not limited to, automobiles, aircraft, credit cards, equipment, franchises, recreational vehicles and student loans;

“CMBS” refers to commercial mortgage-backed securities comprised of commercial mortgage pass-through securities issued by a GSE, as well as PO, IO or mezzanine securities that represent the right to a specific component of the cash flow from a pool of commercial mortgage loans;

“Agency CMBS” refers to CMBS representing interests or obligations backed by pools of mortgage loans guaranteed by a GSE, such as Fannie Mae or Freddie Mac;

“multi-family CMBS” refers to CMBS backed by commercial mortgage loans on multi-family properties;

“CDO” refers to collateralized debt obligation and includes debt that permanently finances the residential loans held in Consolidated SLST, multi-family loans held in the Consolidated K-Series and the Company's residential loans held in securitization trusts and non-Agency RMBS re-securitization that we consolidate, or consolidated, in our financial statements in accordance with GAAP;

“business purpose loans” refers to short-term loans collateralized by residential properties made to investors who intend to rehabilitate and sell the residential property for a profit;

“Consolidated SLST” refers to a Freddie Mac-sponsored residential loan securitization, comprised of seasoned re-performing and non-performing residential loans, of which we own or owned the first loss subordinated securities and certain IOs and senior securities that we consolidate in our financial statements in accordance with GAAP;

“Consolidated K-Series” refers to Freddie Mac-sponsored multi-family loan K-Series securitizations, of which we, or one of our “special purpose entities,” or “SPEs,” owned the first loss POs, certain IOs and certain senior or mezzanine securities that we consolidated in our financial statements in accordance with GAAP prior to disposition; and

“SOFR” refers to Secured Overnight Funding Rate.

Basis of Presentation – The accompanying condensed consolidated balance sheet as of December 31, 2020 has been derived from audited financial statements. The accompanying condensed consolidated balance sheet as of September 30, 2021, the accompanying condensed consolidated statements of operations for the three and nine months ended September 30, 2021 and 2020, the accompanying condensed consolidated statements of comprehensive income for the three and nine months ended September 30, 2021 and 2020, the accompanying condensed consolidated statements of changes in stockholders’ equity for the three and nine months ended September 30, 2021 and 2020 and the accompanying condensed consolidated statements of cash flows for the nine months ended September 30, 2021 and 2020 are unaudited. In our opinion, all adjustments (which include only normal recurring adjustments) necessary to present fairly the Company’s financial position, results of operations and cash flows have been made. Certain information and footnote disclosures normally included in financial statements prepared in accordance with GAAP have been condensed or omitted in accordance with Article 10 of Regulation S-X and the instructions to Form 10-Q. These condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in our Annual Report on Form 10-K for the year ended December 31, 2020, as filed with the U.S. Securities and Exchange Commission (“SEC”). Accordingly, significant accounting policies and other disclosures have been omitted since such items are disclosed in Note 2 in the audited consolidated financial statements and notes thereto included in our Annual Report on Form 10-K for the year ended December 31, 2020. Provided in this section is a summary of additional accounting policies that are significant to, or newly adopted by, the Company for the three and nine months ended September 30, 2021. The results of operations for the three and nine months ended September 30, 2021 are not necessarily indicative of the operating results for the full year.

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The accompanying condensed consolidated financial statements have been prepared on the accrual basis of accounting in accordance with GAAP. The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Management has made significant estimates in several areas, including fair valuation of its residential loans, multi-family loans, certain equity investments and Consolidated SLST CDOs. Although the Company’s estimates contemplate current conditions and how it expects those conditions to change in the future, it is reasonably possible that actual conditions could be different than anticipated in those estimates, which could materially impact the Company’s results of operations and its financial condition.

The COVID-19 pandemic and resulting emergency measures have led (and may continue to lead) to significant disruptions in the global supply chain, global capital markets, the economy of the U.S. and the economies of other countries impacted by COVID-19. The fluidity of this situation precludes any prediction as to the ultimate adverse impact of COVID-19 on economic and market conditions. The Company believes the estimates and assumptions underlying our condensed consolidated financial statements are reasonable and supportable based on the information available as of September 30, 2021; however, uncertainty over the ultimate impact COVID-19 will have on the global economy generally, and our business in particular, makes any estimates and assumptions as of September 30, 2021 inherently less certain than they would be absent the current and potential impacts of COVID-19. Accordingly, it is reasonably possible that actual conditions could be different than anticipated in those estimates, which could materially impact the Company’s results of operations and its financial condition.

Reclassifications – Certain prior period amounts have been reclassified in the accompanying condensed consolidated financial statements to conform to current period presentation.

Principles of Consolidation and Variable Interest Entities – The accompanying condensed consolidated financial statements of the Company include the accounts of all its subsidiaries which are majority-owned, controlled by the Company or a variable interest entity (“VIE”) where the Company is the primary beneficiary. All significant intercompany accounts and transactions have been eliminated in consolidation.

A VIE is an entity that lacks one or more of the characteristics of a voting interest entity. A VIE is defined as an entity in which equity investors do not have the characteristics of a controlling financial interest or do not have sufficient equity at risk for the entity to finance its activities without additional subordinated financial support from other parties. The Company consolidates a VIE when it is the primary beneficiary of such VIE, herein referred to as a "Consolidated VIE". As primary beneficiary, the Company has both the power to direct the activities that most significantly impact the economic performance of the VIE and a right to receive benefits or absorb losses of the entity that could be potentially significant to the VIE. The Company is required to reconsider its evaluation of whether to consolidate a VIE each reporting period, based upon changes in the facts and circumstances pertaining to the VIE.

Goodwill – Goodwill is not amortized but is evaluated for impairment on an annual basis, or more frequently if the Company believes indicators of impairment exist, by initially performing a qualitative screen and, if necessary, then comparing fair value of the reporting unit to its carrying value, including goodwill. If the fair value of the reporting unit is less than the carrying value, an impairment charge for the amount by which the carrying amount exceeds the reporting unit’s fair value (in an amount not to exceed the total amount of goodwill allocated to the reporting unit) is recognized.

In the first quarter of 2020, financial, credit and mortgage-related asset markets experienced significant volatility as a result of the spread of COVID-19, which in turn put significant pressure on the mortgage REIT industry, including financing operations, mortgage asset pricing and liquidity demands. In response to these conditions and the Company's intention to improve its liquidity, in March 2020, the Company sold, among other things, its entire portfolio of first loss POs issued by the Consolidated K-Series, certain senior and mezzanine securities issued by the Consolidated K-Series, Agency CMBS and CMBS that were held by its multi-family investment reporting unit. As a result of the sales, the Company re-evaluated its goodwill balance associated with the multi-family investment reporting unit for impairment. The Company considered qualitative indicators such as macroeconomic conditions, disruptions in equity and credit markets, REIT-specific market considerations, and changes in the net assets in the multi-family investment reporting unit to determine that a quantitative assessment of the fair value of the reporting unit was necessary. The Company performed its quantitative analysis by updating its discounted cash flow projection for the multi-family investment reporting unit for the reduced investment portfolio. This analysis yielded an impairment of the entire goodwill balance related to the Company's multi-family investment reporting unit reported as a $25.2 million impairment of goodwill on the accompanying condensed consolidated statements of operations for the nine months ended September 30, 2020.

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Other Assets – Other assets as of September 30, 2021 and December 31, 2020 include restricted cash held by third parties, including cash held by the Company's securitization trusts, of $21.9 million and $11.3 million, respectively. Other assets includes collections receivable from loan servicers, recoverable advances and interest receivable on residential loans totaling $54.4 million and $63.6 million as of September 30, 2021 and December 31, 2020, respectively. Also included in other assets are operating lease right of use assets of $9.3 million and $10.1 million as of September 30, 2021 and December 31, 2020, respectively (with corresponding operating lease liabilities of $9.9 million and $10.6 million as of September 30, 2021 and December 31, 2020, respectively, included in other liabilities in the accompanying condensed consolidated balance sheets). Net lease intangibles, escrow balances, prepaid expenses and receivables in Consolidated VIEs and a wholly-owned subsidiary that owns a multi-family apartment community totaling $19.6 million and $3.0 million as of September 30, 2021 and December 31, 2020, respectively, are also included in other assets.

Summary of Recent Accounting Pronouncements

In March 2020, the FASB issued ASU 2020-04, Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting ("ASU 2020-04"). ASU 2020-04 provides optional expedients and exceptions to GAAP requirements for modifications to debt agreements, leases, derivatives and other contracts, related to the expected market transition from LIBOR, and certain other floating rate benchmark indices, or collectively, IBORs, to alternative reference rates. ASU 2020-04 generally considers contract modifications related to reference rate reform to be an event that does not require contract remeasurement at the modification date nor a reassessment of a previous accounting determination. In January 2021, the FASB issued ASU 2021-01, Reference Rate Reform (Topic 848): Scope ("ASU 2021-01"). ASU 2021-01 clarifies that certain optional expedients and exceptions in Topic 848 for contract modifications and hedge accounting apply to derivatives that are affected by the "discounting transition" (i.e., changes in the interest rates used for margining, discounting, or contract price alignment for derivative instruments that are being implemented as part of the market-wide transition to new reference rates). The guidance in ASU 2020-04 is optional and may be elected over time, through December 31, 2022, as reference rate reform activities occur. Once ASU 2020-04 is elected, the guidance must be applied prospectively for all eligible contract modifications. The amendments in ASU 2021-01 are effective immediately and may be applied on a full retrospective basis as of any date from the beginning of an interim period that includes or is subsequent to March 12, 2020 or on a prospective basis for eligible contract modifications through December 31, 2022. The Company continues to evaluate the impact of ASU 2020-04 and ASU 2021-01 and may apply elections, as applicable, as the expected market transition from IBORs to alternative reference rates continues to develop.

In August 2020, the FASB issued ASU 2020-06, Debt - Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging - Contracts in Entity's Own Equity (Subtopic 815-40): Accounting for Convertible Instruments and Contracts in an Entity's Own Equity ("ASU 2020-06"). ASU 2020-06 simplifies an issuer's accounting for convertible instruments, enhances disclosure requirements for convertible instruments and modifies how particular convertible instruments and certain instruments that may be settled in cash or shares impact the diluted earnings per share computation. Entities may adopt the guidance through either a modified retrospective method of transition or a fully retrospective method of transition. The amendments are effective for public entities for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2021. Early adoption is permitted, but no earlier than fiscal years, and interim periods within those fiscal years, beginning after December 15, 2020. The Company does not anticipate that the implementation of ASU 2020-06 will have a material impact on its consolidated financial statements or notes thereto.

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3.Residential Loans, at Fair Value

The Company’s acquired residential loans, including performing, re-performing and non-performing residential loans, and business purpose loans, are presented at fair value on the Company's condensed consolidated balance sheets as a result of a fair value election. Subsequent changes in fair value are reported in current period earnings and presented in unrealized gains (losses), net on the Company’s condensed consolidated statements of operations.

The following table presents the Company’s residential loans, at fair value, which consist of residential loans held by the Company, Consolidated SLST and other securitization trusts, as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	September 30, 2021								December 31, 2020
	Residential loans (1)		Consolidated SLST (2)		Residential loans held in securitization trusts (3)		Total		Residential loans (1)		Consolidated SLST (2)		Residential loans held in securitization trusts (3)		Total
Principal	$	1,307,557	$	1,118,001	$	792,466	$	3,218,024	$	1,097,528	$	1,231,669	$	696,543	$	3,025,740
(Discount)/premium	(43,303)		(2,190)		(36,644)		(82,137)		(42,259)		1,337		(41,506)		(82,428)
Unrealized gains	60,965		21,194		55,761		137,920		35,661		33,779		36,414		105,854
Carrying value	$	1,325,219	$	1,137,005	$	811,583	$	3,273,807	$	1,090,930	$	1,266,785	$	691,451	$	3,049,166

(1)Certain of the Company's residential loans, at fair value are pledged as collateral for repurchase agreements as of September 30, 2021 and December 31, 2020 (see Note 10).

(2)The Company invests in first loss subordinated securities and certain IOs issued by a Freddie Mac-sponsored residential loan securitization. In accordance with GAAP, the Company has consolidated the underlying seasoned re-performing and non-performing residential loans held in the securitization and the CDOs issued to permanently finance these residential loans, representing Consolidated SLST. Consolidated SLST CDOs are included in collateralized debt obligations on the Company's condensed consolidated balance sheets.

(3)The Company's residential loans held in securitization trusts are pledged as collateral for CDOs issued by the Company. These CDOs are accounted for as financings and included in collateralized debt obligations on the Company's condensed consolidated balance sheets (see Note 11).

The following table presents the unrealized gains (losses), net attributable to residential loans, at fair value for the three and nine months ended September 30, 2021 and 2020, respectively (dollar amounts in thousands):

	Three Months Ended
	September 30, 2021						September 30, 2020
	Residential loans		Consolidated SLST (1)		Residential loans held in securitization trusts		Residential loans		Consolidated SLST (1)		Residential loans held in securitization trusts
Unrealized gains (losses), net	$	8,280	$	6,287	$	11,794	$	25,583	$	41,063	$	10,143

	Nine Months Ended
	September 30, 2021						September 30, 2020
	Residential loans		Consolidated SLST (1)		Residential loans held in securitization trusts		Residential loans		Consolidated SLST (1)		Residential loans held in securitization trusts
Unrealized gains (losses), net	$	15,715	$	(12,585)	$	28,936	$	(17,899)	$	28,014	$	8,418

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(1)In accordance with the practical expedient in ASC 810, Consolidation ("ASC 810") the Company determines the fair value of the residential loans held in Consolidated SLST based on the fair value of the CDOs issued by Consolidated SLST, including investment securities we own, as the fair value of these instruments is more observable (see Note 14). See Note 7 for unrealized gains (losses), net recognized by the Company on its investment in Consolidated SLST, which include unrealized gains (losses) on the residential loans held in Consolidated SLST presented in the table above and unrealized gains (losses) on the CDOs issued by Consolidated SLST.

The Company recognized $0.9 million and $1.4 million of net realized gains on the sale of residential loans, at fair value for the three and nine months ended September 30, 2021. The Company recognized $18.2 million of net realized losses on the sale of residential loans, at fair value during the nine months ended September 30, 2020. The Company also recognized $5.5 million and $13.7 million of net realized gains on the payoff of residential loans, at fair value for the three and nine months ended September 30, 2021. The Company recognized $2.4 million and $6.5 million of net realized gains on the payoff of residential loans, at fair value during the three and nine months ended September 30, 2020, respectively.

The geographic concentrations of credit risk exceeding 5% of the unpaid principal balance of residential loans, at fair value as of September 30, 2021 and December 31, 2020, respectively, are as follows:

	September 30, 2021						December 31, 2020
	Residential loans		Consolidated SLST		Residential loans held in securitization trusts		Residential loans		Consolidated SLST		Residential loans held in securitization trusts
California	22.3	%	10.8	%	23.0	%	23.6	%	10.9	%	19.8	%
Florida	10.9	%	10.6	%	10.0	%	13.1	%	10.5	%	8.1	%
New York	8.2	%	9.5	%	9.1	%	9.2	%	9.3	%	8.9	%
New Jersey	6.4	%	7.2	%	6.1	%	5.6	%	7.1	%	5.6	%
Texas	6.5	%	3.9	%	4.3	%	5.6	%	4.0	%	4.3	%
Illinois	3.1	%	6.9	%	2.2	%	2.5	%	6.8	%	2.7	%

The following table presents the fair value and aggregate unpaid principal balance of the Company's residential loans and residential loans held in securitization trusts in non-accrual status as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	Greater than 90 days past due				Less than 90 days past due
	Fair Value		Unpaid Principal Balance		Fair Value		Unpaid Principal Balance
September 30, 2021	$	102,688	$	115,169	$	16,969	$	17,241
December 31, 2020	149,444		169,553		16,057		17,748

Residential loans held in Consolidated SLST with an aggregate unpaid principal balance of $147.8 million and $236.7 million were 90 days or more delinquent as of September 30, 2021 and December 31, 2020, respectively.

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4.Multi-family Loans, at Fair Value

The Company's multi-family loans consisting of its preferred equity in, and mezzanine loans to, entities that have multi-family real estate assets are presented at fair value on the Company's condensed consolidated balance sheets as a result of a fair value election. Accordingly, changes in fair value are presented in unrealized gains (losses), net on the Company's condensed consolidated statements of operations. Preferred equity and mezzanine loan investments consist of the following as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	September 30, 2021		December 31, 2020
Investment amount	$	118,517	$	163,392
Deferred loan fees, net	(763)		(1,169)
Unrealized gains, net	2,058		1,370
Total, at Fair Value	$	119,812	$	163,593

For the three and nine months ended September 30, 2021, the Company recognized $0.4 million and $0.7 million in net unrealized gains on preferred equity and mezzanine loan investments, respectively. For the three and nine months ended September 30, 2020, the Company recognized $0.9 million and $6.6 million in net unrealized losses on preferred equity and mezzanine loan investments, respectively.

For the three and nine months ended September 30, 2021, the Company recognized $0.1 million and $2.1 million in preferred equity and mezzanine loan premiums resulting from early redemption, respectively. For the three and nine months ended September 30, 2020, the Company recognized $0.4 million and $0.5 million in preferred equity and mezzanine loan premiums resulting from early redemption, respectively.

The table below presents the fair value and aggregate unpaid principal balance of the Company's preferred equity and mezzanine loan investments in non-accrual status as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	September 30, 2021				December 31, 2020
Days Late	Fair Value		Unpaid Principal Balance		Fair Value		Unpaid Principal Balance
90 +	$	3,829	$	3,363	$	3,325	$	3,363

The geographic concentrations of credit risk exceeding 5% of the total preferred equity and mezzanine loan investment amounts as of September 30, 2021 and December 31, 2020, respectively, are as follows:

	September 30, 2021		December 31, 2020
Texas	17.7	%	11.4	%
Tennessee	17.2	%	14.3	%
Florida	12.1	%	8.5	%
South Carolina	10.3	%	7.2	%
Georgia	7.3	%	10.1	%
Ohio	7.2	%	5.2	%
North Carolina	6.9	%	4.9	%

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5.Investment Securities Available for Sale, at Fair Value

The Company accounts for certain of its investment securities available for sale using the fair value election pursuant to ASC 825, Financial Instruments ("ASC 825"), where changes in fair value are recorded in unrealized gains (losses), net on the Company's condensed consolidated statements of operations. The Company also has investment securities available for sale where the fair value option has not been elected, which we refer to as CECL Securities. CECL Securities are reported at fair value with unrealized gains and losses recorded in other comprehensive income (loss) on the Company's condensed consolidated statements of comprehensive income. The Company's investment securities available for sale consisted of the following as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	September 30, 2021								December 31, 2020
	Amortized Cost		Unrealized				Fair Value		Amortized Cost		Unrealized				Fair Value
			Gains		Losses						Gains		Losses
Fair Value Option
Agency RMBS	$	129,198	$	—	$	(3,609)	$	125,589	$	138,541	$	854	$	—	$	139,395
Non-Agency RMBS (1)	108,579		1,168		(3,064)		106,683		100,465		170		(10,786)		89,849
CMBS	32,600		1,139		—		33,739		139,019		5,685		(3,731)		140,973
ABS	24,343		17,142		—		41,485		34,139		9,086		—		43,225
Total investment securities available for sale - fair value option	294,720		19,449		(6,673)		307,496		412,164		15,795		(14,517)		413,442
CECL Securities
Non-Agency RMBS (2)	115,686		2,482		(75)		118,093		266,855		4,336		(5,374)		265,817
CMBS	22,869		—		(365)		22,504		43,435		2,032		—		45,467
Total investment securities available for sale - CECL Securities	138,555		2,482		(440)		140,597		310,290		6,368		(5,374)		311,284
Total	$	433,275	$	21,931	$	(7,113)	$	448,093	$	722,454	$	22,163	$	(19,891)	$	724,726

(1)Includes non-Agency RMBS held in a securitization trust with a total fair value of $37.6 million as of December 31, 2020. During the nine months ended September 30, 2021, the Company exercised its right to an optional redemption of its non-Agency RMBS re-securitization, returning the non-Agency RMBS held by the re-securitization trust to the Company (see Note 7).

(2)Includes non-Agency RMBS held in a securitization trust with a total fair value of $71.5 million as of December 31, 2020. During the nine months ended September 30, 2021, the Company exercised its right to an optional redemption of its non-Agency RMBS re-securitization, returning the non-Agency RMBS held by the re-securitization trust to the Company (see Note 7).

Accrued interest receivable for all investment securities available for sale in the amount of $1.0 million and $2.4 million as of September 30, 2021 and December 31, 2020, respectively, is included in other assets on the Company's condensed consolidated balance sheets.

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Realized Gain and Loss Activity

The following tables summarize our investment securities sold during the three months ended September 30, 2021 and 2020, respectively (dollar amounts in thousands):

	Three Months Ended September 30, 2021
	Sales Proceeds		Realized Gains		Realized Losses		Net Realized Gains (Losses)
Non-Agency RMBS	$	43,579	$	4,841	$	—	$	4,841
CMBS	89,481		5,496		(452)		5,044
Total	$	133,060	$	10,337	$	(452)	$	9,885

	Three Months Ended September 30, 2020
	Sales Proceeds		Realized Gains		Realized Losses		Net Realized Gains (Losses)
Non-Agency RMBS	$	259,493	$	141	$	(8,860)	$	(8,719)
CMBS	110,680		6,849		(705)		6,144
Total	$	370,173	$	6,990	$	(9,565)	$	(2,575)

The following tables summarize our investment securities sold during the nine months ended September 30, 2021 and 2020, respectively (dollar amounts in thousands):

	Nine Months Ended September 30, 2021
	Sales Proceeds		Realized Gains		Realized Losses		Net Realized Gains (Losses)
Non-Agency RMBS (1)	$	115,662	$	4,853	$	(833)	$	4,020
CMBS	132,796		11,083		(452)		10,631
Total	$	248,458	$	15,936	$	(1,285)	$	14,651

	Nine Months Ended September 30, 2020
	Sales Proceeds		Realized Gains		Realized Losses		Net Realized Gains (Losses)
Agency RMBS:
Agency ARMs	$	49,892	$	44	$	(4,157)	$	(4,113)
Agency Fixed-Rate (1)	943,074		5,358		(11,697)		(6,339)
Total Agency RMBS	992,966		5,402		(15,854)		(10,452)
Agency CMBS (2)	145,411		5,666		(209)		5,457
Total Agency	1,138,377		11,068		(16,063)		(4,995)
Non-Agency RMBS	428,251		435		(34,681)		(34,246)
CMBS	248,741		8,176		(30,289)		(22,113)
Total	$	1,815,369	$	19,679	$	(81,033)	$	(61,354)

(1)Includes Agency RMBS securities issued by Consolidated SLST (see Note 7).

(2)Includes Agency CMBS securities transferred from the Consolidated K-Series (see Note 7).

The Company recognized a write-down of fair value option non-Agency RMBS IOs for a realized loss of $4.8 million for the three and nine months ended September 30, 2021.

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Weighted Average Life

Actual maturities of our investment securities available for sale are generally shorter than stated contractual maturities (with contractual maturities up to 38 years), as they are affected by periodic payments and prepayments of principal on the underlying mortgages. As of September 30, 2021 and December 31, 2020, based on management’s estimates, the weighted average life of the Company’s investment securities available for sale portfolio was approximately 5.4 years and 5.6 years, respectively.

The following table sets forth the weighted average lives of our investment securities available for sale as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

Weighted Average Life	September 30, 2021		December 31, 2020
0 to 5 years	$	223,991	$	332,934
Over 5 to 10 years	206,360		320,361
10+ years	17,742		71,431
Total	$	448,093	$	724,726

Unrealized Losses in Other Comprehensive Income

The Company evaluated its CECL Securities that were in an unrealized loss position as of September 30, 2021 and December 31, 2020, respectively, and determined that no allowance for credit losses was necessary. The Company did not recognize credit losses for its CECL Securities through earnings for the three and nine months ended September 30, 2021 and 2020.

The following table presents the Company's CECL Securities in an unrealized loss position with no credit losses reported, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

September 30, 2021	Less than 12 months				Greater than 12 months				Total
	Carrying Value		Gross Unrealized Losses		Carrying Value		Gross Unrealized Losses		Carrying Value		Gross Unrealized Losses
Non-Agency RMBS	$	35,532	$	(22)	$	36,739	$	(53)	$	72,271	$	(75)
CMBS	22,504		(365)		—		—		22,504		(365)
Total	$	58,036	$	(387)	$	36,739	$	(53)	$	94,775	$	(440)

December 31, 2020	Less than 12 months				Greater than 12 months				Total
	Carrying Value		Gross Unrealized Losses		Carrying Value		Gross Unrealized Losses		Carrying Value		Gross Unrealized Losses
Non-Agency RMBS	$	159,841	$	(4,526)	$	8,234	$	(848)	$	168,075	$	(5,374)
Total	$	159,841	$	(4,526)	$	8,234	$	(848)	$	168,075	$	(5,374)

At September 30, 2021, the Company did not intend to sell any of its investment securities available for sale that were in an unrealized loss position, and it was “more likely than not” that the Company would not be required to sell these securities before recovery of their amortized cost basis, which may be at their maturity.

Gross unrealized losses in other comprehensive income on the Company's non-Agency RMBS and CMBS were $0.4 million at September 30, 2021. Credit risk associated with non-Agency RMBS and CMBS is regularly assessed as new information regarding the underlying collateral becomes available and based on updated estimates of cash flows generated by the underlying collateral. In performing its assessment, the Company considers past and expected future performance of the underlying collateral, including timing of expected future cash flows, prepayment rates, default rates, loss severities, delinquency rates, current levels of subordination, volatility of the security's fair value, temporary declines in liquidity for the asset class and interest rate changes since purchase. Based upon the most recent evaluation, the Company does not believe that these unrealized losses are credit related but are rather a reflection of current market yields and/or marketplace bid-ask spreads.

20

6.Equity Investments, at Fair Value

The Company's equity investments consist of, or have consisted of, preferred equity ownership interests in entities that invest in multi-family properties where the risks and payment characteristics are equivalent to an equity investment (or multi-family preferred equity ownership interests), equity ownership interests in entities that invest in single-family properties and residential loans (or single-family equity ownership interests) and joint venture equity investments in multi-family properties. The Company's equity investments are accounted for under the equity method and are presented at fair value on its condensed consolidated balance sheets as a result of a fair value election.

21

The following table presents the Company's equity investments as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	September 30, 2021			December 31, 2020
Investment Name	Ownership Interest	Fair Value		Ownership Interest	Fair Value
Multi-Family Preferred Equity Ownership Interests
BBA-EP320 II, L.L.C., BBA-Ten10 II, L.L.C., and Lexington on the Green Apartments, L.L.C. (collectively)	45%	$	12,476	45%	$	11,441
Somerset Deerfield Investor, LLC	45%	19,661		45%	18,792
RS SWD Owner, LLC, RS SWD Mitchell Owner, LLC, RS SWD IF Owner, LLC, RS SWD Mullis Owner, LLC, RS SWD JH Mullis Owner, LLC and RS SWD Saltzman Owner, LLC (collectively)	43%	5,590		43%	5,140
Audubon Mezzanine Holdings, L.L.C. (Series A)	57%	12,118		57%	11,456
EP 320 Growth Fund, L.L.C. (Series A) and Turnbury Park Apartments - BC, L.L.C. (Series A) (collectively)	46%	7,464		46%	7,234
Walnut Creek Properties Holdings, L.L.C.	36%	9,180		36%	8,803
Towers Property Holdings, LLC	37%	12,712		37%	12,119
Mansions Property Holdings, LLC	34%	12,249		34%	11,679
Sabina Montgomery Holdings, LLC - Series B and Oakley Shoals Apartments, LLC - Series A (collectively)	43%	4,465		43%	4,320
Gen1814, LLC - Series A, Highlands - Mtg. Holdings, LLC - Series A, and Polos at Hudson Investments, LLC - Series A (collectively)	37%	10,297		37%	9,966
Axis Apartments Holdings, LLC, Arbor-Stratford Holdings II, LLC - Series B, Highlands - Mtg. Holdings, LLC - Series B, Oakley Shoals Apartments, LLC - Series C, and Woodland Park Apartments II, LLC (collectively)	53%	12,721		53%	12,337
DCP Gold Creek, LLC	44%	6,615		44%	6,357
1122 Chicago DE, LLC	53%	7,593		53%	7,222
Rigsbee Ave Holdings, LLC	56%	11,126		56%	10,222
Bighaus, LLC	42%	15,224		42%	14,525
FF/RMI 20 Midtown, LLC	51%	25,067		51%	23,936
Lurin-RMI, LLC	38%	7,521		38%	7,216
Palms at Cape Coral, LLC	34%	5,096		—	—
America Walks at Port St. Lucie, LLC	62%	30,460		—	—
Total - Multi-Family Preferred Equity Ownership Interests		227,635			182,765
Joint Venture Equity Investments in Multi-Family Properties
GWR Cedars Partners, LLC	70%	3,710		—	—
GWR Gateway Partners, LLC	70%	6,580		—	—
Total - Joint Venture Equity Investments in Multi-Family Properties		10,290			—
Single-Family Equity Ownership Interests
Morrocroft Neighborhood Stabilization Fund II, LP	11%	17,089		11%	13,040
Headlands Asset Management Fund III (Cayman), LP (Headlands Flagship Opportunity Fund Series I)	—	—		49%	63,290
Total - Single-Family Equity Ownership Interests		17,089			76,330
Total		$	255,014		$	259,095

22

The Company records its equity in earnings or losses from its multi-family preferred equity ownership interests under the hypothetical liquidation of book value method of accounting due to the structures and the preferences it receives on the distributions from these entities pursuant to the respective agreements. Under this method, the Company recognizes income or loss in each period based on the change in liquidation proceeds it would receive from a hypothetical liquidation of its investment. Pursuant to the fair value election, changes in fair value of the Company's multi-family preferred equity ownership interests are reported in current period earnings. The following table presents income from multi-family preferred equity ownership interests for the three and nine months ended September 30, 2021 and 2020, respectively (dollar amounts in thousands). Income from these investments is presented in income from equity investments in the Company's accompanying condensed consolidated statements of operations. Income from these investments during the three and nine months ended September 30, 2021 includes $0.3 million of net unrealized losses and $0.6 million of net unrealized gains, respectively. Income from these investments during the three and nine months ended September 30, 2020 includes $6.7 thousand of net unrealized gains and $4.1 million of net unrealized losses, respectively.

	Three Months Ended September 30,				Nine Months Ended September 30,
Investment Name	2021		2020		2021		2020
BBA-EP320 II, L.L.C., BBA-Ten10 II, L.L.C., and Lexington on the Green Apartments, L.L.C. (collectively)	$	331	$	295	$	1,035	$	898
Somerset Deerfield Investor, LLC	569		472		1,711		1,259
RS SWD Owner, LLC, RS SWD Mitchell Owner, LLC, RS SWD IF Owner, LLC, RS SWD Mullis Owner, LLC, RS SWD JH Mullis Owner, LLC and RS SWD Saltzman Owner, LLC (collectively)	152		125		450		217
Audubon Mezzanine Holdings, L.L.C. (Series A)	251		365		972		541
EP 320 Growth Fund, L.L.C. (Series A) and Turnbury Park Apartments - BC, L.L.C. (Series A) (collectively)	151		181		571		305
Walnut Creek Properties Holdings, L.L.C.	257		280		797		402
Towers Property Holdings, LLC	348		380		1,087		502
Mansions Property Holdings, LLC	335		366		1,048		484
Sabina Montgomery Holdings, LLC - Series B and Oakley Shoals Apartments, LLC - Series A (collectively)	89		137		355		190
Gen1814, LLC - Series A, Highlands - Mtg. Holdings, LLC - Series A, and Polos at Hudson Investments, LLC - Series A (collectively)	204		317		819		430
Axis Apartments Holdings, LLC, Arbor-Stratford Holdings II, LLC - Series B, Highlands - Mtg. Holdings, LLC - Series B, Oakley Shoals Apartments, LLC - Series C, and Woodland Park Apartments II, LLC (collectively)	252		392		1,014		527
DCP Gold Creek, LLC	189		203		589		305
1122 Chicago DE, LLC	229		226		675		462
Rigsbee Ave Holdings, LLC	120		326		1,335		604
Bighaus, LLC	450		237		1,328		237
FF/RMI 20 Midtown, LLC	771		—		2,275		—
Lurin-RMI, LLC	216		—		687		—
Palms at Cape Coral, LLC	189		—		189		—
America Walks at Port St. Lucie, LLC	775		—		775		—
Total Income - Multi-Family Preferred Equity Ownership Interests	$	5,878	$	4,302	$	17,712	$	7,363

23

Income from single-family equity ownership interests and joint venture equity investments in multi-family properties is presented in income from equity investments in the Company's accompanying condensed consolidated statements of operations. The following table presents income (loss) from these investments for the three and nine months ended September 30, 2021 and 2020, respectively (dollar amounts in thousands):    

	Three Months Ended September 30,				Nine Months Ended September 30,
Investment Name	2021		2020		2021		2020
Single-Family Equity Ownership Interests
Morrocroft Neighborhood Stabilization Fund II, LP	$	2,137	$	515	$	4,324	$	1,080
Headlands Asset Management Fund III (Cayman), LP (Headlands Flagship Opportunity Fund Series I) (1)	—		5,027		(15)		7,078
Total Income - Single-Family Equity Ownership Interests	$	2,137	$	5,542	$	4,309	$	8,158
Joint Venture Equity Investments in Multi-Family Properties (2)
The Preserve at Port Royal Venture, LLC (3)	$	—	$	122	$	—	$	(949)
Total Income (Loss) - Joint Venture Equity Investments in Multi-Family Properties	$	—	$	122	$	—	$	(949)

(1)The Company's equity investment was redeemed during the nine months ended September 30, 2021.

(2)Includes net unrealized loss of $8.6 million and $9.7 million for the three and nine months ended September 30, 2020, respectively and a realized gain of $8.8 million for the three and nine months ended September 30, 2020.

(3)The Company's equity investment was redeemed during the year ended December 31, 2020.

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7.Use of Special Purpose Entities (SPE) and Variable Interest Entities (VIE)

Financing VIEs

The Company uses SPEs to facilitate transactions that involve securitizing financial assets or re-securitizing previously securitized financial assets. The objective of such transactions may include obtaining non-recourse financing, obtaining liquidity or refinancing the underlying securitized financial assets on improved terms. Securitization involves transferring assets to an SPE to convert all or a portion of those assets into cash before they would have been realized in the normal course of business through the SPE’s issuance of debt or equity instruments. Investors in an SPE usually have recourse only to the assets in the SPE and depending on the overall structure of the transaction, may benefit from various forms of credit enhancement, such as over-collateralization in the form of excess assets in the SPE, priority with respect to receipt of cash flows relative to holders of other debt or equity instruments issued by the SPE, or a line of credit or other form of liquidity agreement that is designed with the objective of ensuring that investors receive principal and/or interest cash flow on the investment in accordance with the terms of their investment agreement.    

The Company has entered into financing transactions, including residential loan securitizations and re-securitizations, which required the Company to analyze and determine whether the SPEs that were created to facilitate the transactions are VIEs in accordance with ASC 810 and if so, whether the Company is the primary beneficiary requiring consolidation.

As of December 31, 2020, the Company evaluated its residential loan securitizations and re-securitization of non-Agency RMBS and concluded that the entities created to facilitate each of the financing transactions are VIEs and that the Company is the primary beneficiary of these VIEs (each a “Financing VIE” and collectively, the “Financing VIEs”). As of September 30, 2021, the Company evaluated its residential loan securitizations and concluded that the entities created to facilitate each of the financing transactions are VIEs and that the Company is the primary beneficiary of these VIEs. Accordingly, the Company consolidated the then-outstanding Financing VIEs as of September 30, 2021 and December 31, 2020. During the nine months ended September 30, 2021, the Company exercised its right to an optional redemption of its non-Agency RMBS re-securitization and one of its residential loan securitizations with outstanding principal balances of $14.7 million and $203.5 million at the time of redemption, respectively, returned the assets held by the trusts to the Company and recognized $1.6 million of loss on the extinguishment of collateralized debt obligations.

Consolidated SLST

The Company invests in subordinated securities that represent the first loss position of the Freddie Mac-sponsored residential loan securitization from which they were issued, and certain IOs and senior securities issued from the securitization. The Company has evaluated its investments in this securitization trust to determine whether it is a VIE and if so, whether the Company is the primary beneficiary requiring consolidation. The Company has determined that the Freddie Mac-sponsored residential loan securitization trust, which we refer to as Consolidated SLST, is a VIE as of September 30, 2021 and December 31, 2020, and that the Company is the primary beneficiary of the VIE within Consolidated SLST. Accordingly, the Company has consolidated the assets, liabilities, income and expenses of such VIE in the accompanying condensed consolidated financial statements (see Notes 2, 3 and 11). The Company has elected the fair value option on the assets and liabilities held within Consolidated SLST, which requires that changes in valuations in the assets and liabilities of Consolidated SLST be reflected in the Company’s condensed consolidated statements of operations.

The Company does not have any claims to the assets or obligations for the liabilities of Consolidated SLST, other than those securities owned by the Company as of September 30, 2021 and December 31, 2020 with a fair value of $231.1 million and $212.1 million, respectively (see Note 14). The Company’s investments that are included in Consolidated SLST were not included as collateral to any Financing VIE as of September 30, 2021 and December 31, 2020.

During the nine months ended September 30, 2020, the Company purchased approximately $40.0 million in additional senior securities issued by Consolidated SLST and subsequently sold its entire investment in the senior securities issued by Consolidated SLST for sales proceeds of approximately $62.6 million at a realized loss of approximately $2.4 million, which is included in realized gains (losses), net on the Company's condensed consolidated statements of operations.

25

Consolidated K-Series

As of December 31, 2019, the Company invested in multi-family CMBS consisting of POs that represented the first loss position of the Freddie Mac-sponsored multi-family K-series securitizations from which they were issued, and certain IOs and certain senior and mezzanine CMBS securities issued from those securitizations. The Company evaluated these CMBS investments in Freddie Mac-sponsored K-Series securitization trusts to determine whether they were VIEs and if so, whether the Company was the primary beneficiary requiring consolidation. The Company determined that the Freddie Mac-sponsored multi-family K-Series securitization trusts were VIEs, which we refer to as the Consolidated K-Series. The Company also determined that it was the primary beneficiary of each VIE within the Consolidated K-Series and, accordingly, consolidated its assets, liabilities, income and expenses in the accompanying condensed consolidated financial statements (see Note 2). The Company elected the fair value option on the assets and liabilities held within the Consolidated K-Series, which required that changes in valuations in the assets and liabilities of the Consolidated K-Series be reflected in the Company's condensed consolidated statements of operations. Our investment in the Consolidated K-Series was limited to the multi-family CMBS that we owned.

In March 2020, the Company sold its first loss POs and certain mezzanine securities issued by the Consolidated K-Series which resulted in the de-consolidation of each Consolidated K-Series as of the sale date of each first loss PO. These sales, for total proceeds of approximately $555.2 million, resulted in a realized net loss of $54.1 million and reversal of previously recognized net unrealized gains of $168.5 million. The sales also resulted in the de-consolidation of $17.4 billion in multi-family loans held in the Consolidated K-Series and $16.6 billion in Consolidated K-Series CDOs. Also in March 2020, the Company transferred its remaining IOs and mezzanine and senior securities owned in the Consolidated K-Series with a fair value of approximately $237.3 million to investment securities available for sale.

Other Consolidated VIEs

During the nine months ended September 30, 2021, the Company invested in five joint venture investments that own multi-family apartment communities, which the Company determined to be VIEs and for which the Company is the primary beneficiary. Accordingly, the Company consolidated the assets, liabilities, income and expenses of these VIEs in the accompanying condensed consolidated financial statements with non-controlling interests for the third-party ownership of the joint ventures' membership interests. The Company accounted for the initial consolidation of the joint venture investments in accordance with asset acquisition provisions of ASC 805, Business Combinations, ("ASC 805"), as substantially all of the fair value of the assets within the entities are concentrated in either a single identifiable asset or group of similar identifiable assets. The initial consolidation of the joint venture entities included operating real estate in the amount of $209.3 million and lease intangibles in the amount of $13.3 million (included in other assets in the accompanying condensed consolidated balance sheets), mortgages payable on operating real estate, net in the amount of $162.2 million and non-controlling interests in the amount of $5.1 million.

In addition, on November 12, 2020 (the "Changeover Date"), the Company reconsidered its evaluation of its variable interest in a VIE that owns a multi-family apartment community and in which the Company holds a preferred equity investment. The Company determined that it gained the power to direct the activities, and became primary beneficiary, of the VIE on the Changeover Date. Prior to the Changeover Date, the Company accounted for its investment as a preferred equity investment included in multi-family loans. On the Changeover Date, the Company consolidated this VIE into its consolidated financial statements. The Company accounted for the initial consolidation of the VIE in accordance with asset acquisition provisions of ASC 805 as substantially all of the fair value of the assets within the entity are concentrated in either a single identifiable asset or group of similar identifiable assets. The estimated Changeover Date fair value of the consideration transferred totaled $8.7 million, which consisted of the estimated fair value of the Company's preferred equity investment in the VIE that was determined using assumptions for the underlying estimated cash flows and a discount rate. The initial consolidation of this VIE included operating real estate in the amount of $50.5 million and a lease intangible in the amount of $1.6 million (included in other assets in the accompanying condensed consolidated balance sheets), a mortgage payable on operating real estate, net in the amount of $36.8 million and a non-controlling interest (representing third-party ownership of the VIE's membership interests) in the amount of $6.8 million. Subsequently, in July 2021, the VIE redeemed its non-controlling interest which resulted in an equity transaction accounted for by the Company in accordance with ASC 810. In addition, the Company reconsidered its evaluation of its investment in the entity and determined that the entity no longer met the criteria for being characterized as a VIE and is a wholly-owned subsidiary of the Company.

26

In analyzing whether the Company is the primary beneficiary of the Financing VIEs, Consolidated SLST, the Consolidated K-Series and other Consolidated VIEs, the Company considered its involvement in each of the VIEs, including the design and purpose of each VIE, and whether its involvement reflected a controlling financial interest that resulted in the Company being deemed the primary beneficiary of the VIEs. In determining whether the Company would be considered the primary beneficiary, the following factors were assessed:

•whether the Company has both the power to direct the activities that most significantly impact the economic performance of the VIE; and

•whether the Company has a right to receive benefits or absorb losses of the entity that could be potentially significant to the VIE.

The following table presents a summary of the assets, liabilities and non-controlling interests of the Company's residential loan securitizations, Consolidated SLST and other Consolidated VIEs as of September 30, 2021 (dollar amounts in thousands). Intercompany balances have been eliminated for purposes of this presentation.

	Financing VIEs		Other VIEs
	Residential Loan Securitizations		Consolidated SLST		Other		Total
Cash and cash equivalents	$	—	$	—	$	3,457	$	3,457
Residential loans, at fair value	811,583		1,137,005		—		1,948,588
Operating real estate, net held in Consolidated VIEs (1)	—		—		209,736		209,736
Other assets	33,141		3,702		18,724		55,567
Total assets	$	844,724	$	1,140,707	$	231,917	$	2,217,348
Collateralized debt obligations ($710,102 at amortized cost, net and $904,976 at fair value)	$	710,102	$	904,976	$	—	$	1,615,078
Mortgages payable on operating real estate, net in Consolidated VIEs (2)	—		—		163,941		163,941
Other liabilities	6,326		3,073		4,648		14,047
Total liabilities	$	716,428	$	908,049	$	168,589	$	1,793,066
Non-controlling interest in Consolidated VIEs (3)	$	—	$	—	$	4,626	$	4,626
Net investment (4)	$	128,296	$	232,658	$	58,702	$	419,656

(1)Included in operating real estate, net in the accompanying condensed consolidated balance sheets.

(2)Included in mortgages payable on operating real estate, net in the accompanying condensed consolidated balance sheets.

(3)Represents third party ownership of membership interests in other Consolidated VIEs.

(4)The net investment amount is the maximum amount of the Company's investment that is at risk to loss and represents the difference between total assets and total liabilities held by VIEs, less non-controlling interest, if any.

27

The following table presents a summary of the assets, liabilities and non-controlling interests of the Company's residential loan securitizations, non-Agency RMBS re-securitization, Consolidated SLST and other Consolidated VIEs as of December 31, 2020 (dollar amounts in thousands). Intercompany balances have been eliminated for purposes of this presentation.

	Financing VIEs				Other VIEs
	Residential Loan Securitizations		Non-Agency RMBS Re-Securitization		Consolidated SLST		Other		Total
Cash and cash equivalents	$	—	$	—	$	—	$	462	$	462
Residential loans, at fair value	691,451		—		1,266,785		—		1,958,236
Investment securities available for sale, at fair value	—		109,140		—		—		109,140
Operating real estate, net held in Consolidated VIEs (1)	—		—		—		50,532		50,532
Other assets	24,959		535		4,075		3,045		32,614
Total assets	$	716,410	$	109,675	$	1,270,860	$	54,039	$	2,150,984
Collateralized debt obligations ($569,323 at amortized cost, net and $1,054,335 at fair value)	$	554,067	$	15,256	$	1,054,335	$	—	$	1,623,658
Mortgages payable on operating real estate, net in Consolidated VIEs (2)	—		—		—		36,752		36,752
Other liabilities	2,610		70		2,781		1,435		6,896
Total liabilities	$	556,677	$	15,326	$	1,057,116	$	38,187	$	1,667,306
Non-controlling interest in Consolidated VIEs (3)	$	—	$	—	$	—	$	6,371	$	6,371
Net investment (4)	$	159,733	$	94,349	$	213,744	$	9,481	$	477,307

(1)Included in operating real estate, net in the accompanying condensed consolidated balance sheets.

(2)Included in mortgages payable on operating real estate, net in the accompanying condensed consolidated balance sheets.

(3)Represents third party ownership of membership interests in other Consolidated VIEs.

(4)The net investment amount is the maximum amount of the Company's investment that is at risk to loss and represents the difference between total assets and total liabilities held by VIEs, less non-controlling interest, if any.

28

The following table presents condensed statements of operations for non-Company-sponsored VIEs, including Consolidated SLST and other Consolidated VIEs, for the three months ended September 30, 2021 and 2020, respectively (dollar amounts in thousands). Intercompany balances have been eliminated for purposes of this presentation.

	Three Months Ended September 30,
	2021						2020
	Consolidated SLST		Other		Total		Consolidated SLST		Other		Total
Interest income	$	10,245	$	—	$	10,245	$	10,896	$	—	$	10,896
Interest expense	7,116		900		8,016		7,562		—		7,562
Total net interest income (expense)	3,129		(900)		2,229		3,334		—		3,334
Unrealized gains, net	4,302		—		4,302		27,145		—		27,145
Income from operating real estate	—		2,683		2,683		—		—		—
Other loss	—		—		—		—		(159)		(159)
Total non-interest income (loss)	4,302		2,683		6,985		27,145		(159)		26,986
Expenses related to operating real estate	—		6,601		6,601		—		—		—
Net income (loss)	7,431		(4,818)		2,613		30,479		(159)		30,320
Net loss (income) attributable to non-controlling interest in Consolidated VIEs	—		394		394		—		(1,764)		(1,764)
Net income (loss) attributable to Company	$	7,431	$	(4,424)	$	3,007	$	30,479	$	(1,923)	$	28,556

The following table presents condensed statements of operations for non-Company-sponsored VIEs, including Consolidated SLST, Consolidated K-Series (prior to the sale of first loss POs and de-consolidation of the Consolidated K-Series) and other Consolidated VIEs, for the nine months ended September 30, 2021 and 2020, respectively (dollar amounts in thousands). Intercompany balances have been eliminated for purposes of this presentation.

	Nine Months Ended September 30,
	2021						2020
	Consolidated SLST		Other		Total		Consolidated K-Series		Consolidated SLST		Other		Total
Interest income	$	31,042	$	—	$	31,042	$	151,841	$	34,542	$	—	$	186,383
Interest expense	21,371		1,641		23,012		129,762		24,255		—		154,017
Total net interest income (expense)	9,671		(1,641)		8,030		22,079		10,287		—		32,366
Unrealized gains (losses), net	23,320		—		23,320		(10,951)		(34,893)		—		(45,844)
Income from operating real estate	—		6,329		6,329		—		—		—		—
Other loss	—		—		—		—		—		(2,280)		(2,280)
Total non-interest income (loss)	23,320		6,329		29,649		(10,951)		(34,893)		(2,280)		(48,124)
Expenses related to operating real estate	—		13,438		13,438		—		—		—		—
Net income (loss)	32,991		(8,750)		24,241		11,128		(24,606)		(2,280)		(15,758)
Net loss (income) attributable to non-controlling interest in Consolidated VIEs	—		3,428		3,428		—		—		(704)		(704)
Net income (loss) attributable to Company	$	32,991	$	(5,322)	$	27,669	$	11,128	$	(24,606)	$	(2,984)	$	(16,462)

29

Unconsolidated VIEs

As of September 30, 2021 and December 31, 2020, the Company evaluated its investment securities available for sale, preferred equity, mezzanine loan and other equity investments to determine whether they are VIEs and should be consolidated by the Company. Based on a number of factors, the Company determined that, as of September 30, 2021 and December 31, 2020, it does not have a controlling financial interest and is not the primary beneficiary of these VIEs. The following tables present the classification and carrying value of unconsolidated VIEs as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	September 30, 2021
	Multi-family loans		Investment securities available for sale, at fair value		Equity investments		Total
ABS	$	—	$	41,485	$	—	$	41,485
Non-Agency RMBS	—		31,708		—		31,708
Preferred equity investments in multi-family properties	119,812		—		227,635		347,447
Joint venture equity investments in multi-family properties	—		—		10,290		10,290
Equity investments in entities that invest in residential properties	—		—		17,089		17,089
Maximum exposure	$	119,812	$	73,193	$	255,014	$	448,019

	December 31, 2020
	Multi-family loans		Investment securities available for sale, at fair value		Equity investments		Total
ABS	$	—	$	43,225	$	—	$	43,225
Preferred equity investments in multi-family properties	158,501		—		182,765		341,266
Mezzanine loans on multi-family properties	5,092		—		—		5,092
Equity investments in entities that invest in residential properties and loans	—		—		76,330		76,330
Maximum exposure	$	163,593	$	43,225	$	259,095	$	465,913

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8.Derivative Instruments and Hedging Activities

The Company enters into derivative instruments in connection with its risk management activities. These derivative instruments may include interest rate swaps, swaptions, futures and options on futures. The Company may also purchase or sell “To-Be-Announced,” or TBAs, purchase options on U.S. Treasury futures or invest in other types of mortgage derivative securities. The Company's derivative instruments, comprised of interest rate swaps which were designated as trading instruments, were terminated during the three months ended March 31, 2020. The Company had no outstanding derivatives as of September 30, 2021 and December 31, 2020.

Derivatives Not Designated as Hedging Instruments

The table below summarizes the activity of derivative instruments not designated as hedging instruments for the nine months ended September 30, 2020 (dollar amounts in thousands):

	Notional Amount For the Nine Months Ended September 30, 2020
Type of Derivative Instrument	December 31, 2019		Additions		Terminations		September 30, 2020
Interest rate swaps	$	495,500	$	—	$	(495,500)	$	—

The following table presents the components of realized gains (losses), net and unrealized gains (losses), net related to our derivative instruments that were not designated as hedging instruments, which are included in non-interest income (loss) in our condensed consolidated statements of operations for the nine months ended September 30, 2020 (dollar amounts in thousands):

	For the Nine Months Ended September 30, 2020
	Realized Gains (Losses)		Unrealized Gains (Losses)
Interest rate swaps	$	(73,078)	$	28,967
Total	$	(73,078)	$	28,967

The use of derivatives exposes the Company to counterparty credit risks in the event of a default by a counterparty. If a counterparty defaults under the applicable derivative agreement, the Company may be unable to collect payments to which it is entitled under its derivative agreements and may have difficulty collecting the assets it pledged as collateral against such derivatives. All of the Company's interest rate swaps were cleared through CME Group Inc. ("CME Clearing") which is the parent company of the Chicago Mercantile Exchange Inc. CME Clearing serves as the counterparty to every cleared transaction, becoming the buyer to each seller and the seller to each buyer, limiting the credit risk by guaranteeing the financial performance of both parties and netting down exposures.

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9.Operating Real Estate, Net

As of September 30, 2021, the Company invested in five joint venture investments that own multi-family apartment communities, which the Company determined to be VIEs and for which the Company is the primary beneficiary. Accordingly, the Company consolidated the joint venture entities into its condensed consolidated financial statements (see Note 7). Additionally, as of September 30, 2021, a wholly-owned subsidiary of the Company owns a multi-family apartment community that is included in operating real estate, net on the accompanying condensed consolidated balance sheets.

As of December 31, 2020, the Company was the primary beneficiary of a VIE that owned a multi-family apartment community and in which the Company held a preferred equity investment. Accordingly, the Company consolidated the VIE into its condensed consolidated financial statements (see Note 7).

The multi-family apartment communities lease their apartment units to individual tenants at market rates for the production of rental income. These apartment units are generally leased at a fixed monthly rate with no option for the lessee to purchase the leased unit at any point. Rental income for the three and nine months ended September 30, 2021 in the amounts of $3.8 million and $7.3 million, respectively, is included in income from operating real estate on the accompanying condensed consolidated statements of operations.

The following is a summary of the operating real estate investments, collectively, as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	September 30, 2021		December 31, 2020
Land	$	34,405	$	5,400
Building and improvements	229,426		43,764
Furniture, fixture and equipment	10,197		1,522
Real estate	$	274,028	$	50,686
Accumulated depreciation (1)	(3,422)		(154)
Operating real estate, net	$	270,606	$	50,532

(1)Depreciation expense for the three and nine months ended September 30, 2021 totaled $1.7 million and $3.3 million, respectively, and is included in expenses related to operating real estate on the accompanying condensed consolidated statements of operations.

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10.Repurchase Agreements

Residential Loans

The Company has repurchase agreements with three financial institutions to fund the purchase of residential loans. The following table presents detailed information about the Company’s financings under these repurchase agreements and associated residential loans pledged as collateral at September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	Maximum Aggregate Uncommitted Principal Amount		Outstanding Repurchase Agreements (1)		Net Deferred Finance Costs (2)		Carrying Value of Repurchase Agreements		Fair Value of Loans Pledged		Weighted Average Rate		Weighted Average Months to Maturity (3)
September 30, 2021	$	1,257,003	$	335,434	$	(878)	$	334,556	$	492,860	2.82	%	3.24
December 31, 2020	$	1,301,389	$	407,213	$	(1,682)	$	405,531	$	575,380	2.92	%	11.92

(1)Includes a non-mark-to-market repurchase agreement with an outstanding balance of $16.6 million, a rate of 4.00%, and maturity of 5.03 months as of September 30, 2021. Includes non-mark-to-market repurchase agreements with an outstanding balance of $49.8 million, weighted average rate of 4.00%, and weighted average maturity of 8.80 months as of December 31, 2020.

(2)Costs related to the repurchase agreements, which include commitment, underwriting, legal, accounting and other fees, are reflected as deferred charges. Such costs are presented as a deduction from the corresponding debt liability on the Company’s accompanying condensed consolidated balance sheets and are amortized as an adjustment to interest expense using the effective interest method, or straight line-method, if the result is not materially different.

(3)The Company expects to roll outstanding amounts under these repurchase agreements into new repurchase agreements or other financings, or to repay outstanding amounts, prior to or at maturity.

During the terms of the repurchase agreements, proceeds from the residential loans will be applied to pay any price differential and to reduce the aggregate repurchase price of the collateral. The financings under the repurchase agreements with two of the counterparties are subject to margin calls to the extent the market value of the residential loans falls below specified levels and repurchase may be accelerated upon an event of default under the repurchase agreements.

As of September 30, 2021, the Company's repurchase agreements contain various covenants, including among other things, the maintenance of certain amounts of liquidity and total stockholders' equity. The Company is in compliance with such covenants as of September 30, 2021 and through the date of this Quarterly Report on Form 10-Q.

Investment Securities

The Company has repurchase agreements with financial institutions to finance its investment securities portfolio. These repurchase agreements provide short-term financing that bear interest rates typically based on a spread to LIBOR and are secured by the investment securities which they finance and additional collateral pledged, if any. As of September 30, 2021 and December 31, 2020, the Company had no amounts outstanding under repurchase agreements to finance investment securities.

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11.Collateralized Debt Obligations

The Company's collateralized debt obligations, or CDOs, are accounted for as financings and are non-recourse debt to the Company. See Note 7 for further discussion regarding the collateral pledged for the Company's CDOs as well as the Company's net investments in the related securitizations.

The following tables present a summary of the Company's CDOs as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	September 30, 2021
	Outstanding Face Amount		Carrying Value		Weighted Average Interest Rate (1)		Weighted Average Rate of Notes Issued (2)		Stated Maturity (3)
Consolidated SLST (4)	$	861,184	$	904,976	2.75	%	3.53	%	2059
Residential loan securitizations	714,058		710,102		2.42	%	3.38	%	2026 - 2061
Total collateralized debt obligations	$	1,575,242	$	1,615,078

(1)Weighted average interest rate is calculated using the outstanding face amount and stated interest rate of notes issued by the securitization and not owned by the Company.

(2)Weighted average rate of notes issued is calculated using the outstanding face amount and stated interest rate of all notes issued by the securitizations, including those owned by the Company.

(3)The actual maturity of the Company's CDOs are primarily determined by the rate of principal prepayments on the assets of the issuing entity. The CDOs are also subject to redemption prior to the stated maturity according to the terms of the respective governing documents. As a result, the actual maturity of the CDOs may occur earlier than the stated maturity.

(4)The Company has elected the fair value option for CDOs issued by Consolidated SLST (see Note 14).

	December 31, 2020
	Outstanding Face Amount		Carrying Value		Weighted Average Interest Rate (1)			Weighted Average Rate of Notes Issued (2)			Stated Maturity (3)
Consolidated SLST (4)	$	975,017	$	1,054,335	2.75	%		3.53	%		2059
Residential loan securitizations	557,497		554,067		3.36	%		4.83	%		2025 - 2060
Non-Agency RMBS Re-Securitization	15,449		15,256		One-month LIBOR plus 5.25%		(5)	One-month LIBOR plus 5.25%		(5)	2025
Total collateralized debt obligations	$	1,547,963	$	1,623,658

(1)Weighted average interest rate is calculated using the outstanding face amount and stated interest rate of notes issued by the securitization and not owned by the Company.

(2)Weighted average rate of notes issued is calculated using the outstanding face amount and stated interest rate of all notes issued by the securitizations, including those owned by the Company.

(3)The actual maturity of the Company's CDOs are primarily determined by the rate of principal prepayments on the assets of the issuing entity. The CDOs are also subject to redemption prior to the stated maturity according to the terms of the respective governing documents. As a result, the actual maturity of the CDOs may occur earlier than the stated maturity.

(4)The Company has elected the fair value option for CDOs issued by Consolidated SLST (see Note 14).

(5)Represents the pass-through rate through the payment date in December 2021. During the nine months ended September 30, 2021, the Company exercised its right to an optional redemption of its non-Agency RMBS re-securitization.

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The Company's collateralized debt obligations as of September 30, 2021 had stated maturities as follows:

Year ending December 31,	Total
2021	$	—
2022	—
2023	—
2024	—
2025	—
2026	180,000
Thereafter	1,395,242
Total	$	1,575,242

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12.    Debt

Convertible Notes    

As of September 30, 2021, the Company had $138.0 million aggregate principal amount of its 6.25% Senior Convertible Notes due 2022 (the "Convertible Notes") outstanding. Costs related to the issuance of the Convertible Notes which include underwriting, legal, accounting and other fees, are reflected as deferred charges. The underwriter's discount and deferred charges, net of amortization, are presented as a deduction from the corresponding debt liability on the Company's accompanying condensed consolidated balance sheets in the amount of $0.8 million and $2.7 million as of September 30, 2021 and December 31, 2020, respectively. The underwriter's discount and deferred charges are amortized as an adjustment to interest expense using the effective interest method, resulting in a total cost to the Company of approximately 8.24%.     

The Convertible Notes were issued at 96% of the principal amount, bear interest at a rate equal to 6.25% per year, payable semi-annually in arrears on January 15 and July 15 of each year, and mature on January 15, 2022, unless earlier converted or repurchased. The Company does not have the right to redeem the Convertible Notes prior to maturity and no sinking fund is provided for the Convertible Notes. Holders of the Convertible Notes are permitted to convert their Convertible Notes into shares of the Company's common stock at any time prior to the close of business on the business day immediately preceding January 15, 2022. The conversion rate for the Convertible Notes, which is subject to adjustment upon the occurrence of certain specified events, initially equals 142.7144 shares of the Company’s common stock per $1,000 principal amount of Convertible Notes, which is equivalent to a conversion price of approximately $7.01 per share of the Company’s common stock, based on a $1,000 principal amount of the Convertible Notes. The Convertible Notes are senior unsecured obligations of the Company that rank pari passu in right of payment with the Company's senior unsecured indebtedness and rank senior in right of payment to the Company's subordinated debentures and any of its other indebtedness that is expressly subordinated in right of payment to the Convertible Notes.

During the nine months ended September 30, 2021, none of the Convertible Notes were converted. As of November 4, 2021, the Company has not been notified, and is not aware, of any event of default under the indenture for the Convertible Notes.

Senior Unsecured Notes    

On April 27, 2021, the Company completed the issuance and sale to various qualified institutional investors of $100.0 million aggregate principal amount of its unregistered 5.75% Senior Notes due 2026 (the "Unregistered Notes") in a private placement offering at 100% of the principal amount. The net proceeds to the Company from the sale of the Unregistered Notes, after deducting offering expenses, were approximately $96.3 million. Subsequent to the issuance of the Unregistered Notes, the Company conducted an exchange offer wherein the Company exchanged its registered 5.75% Senior Notes due 2026 (the "Registered Notes" and, together with the aggregate principal amount of Unregistered Notes that remain outstanding, the "Senior Unsecured Notes") for an equal principal amount of Unregistered Notes.

As of September 30, 2021, the Company had $100.0 million aggregate principal amount of its Senior Unsecured Notes outstanding. Costs related to the issuance of the Senior Unsecured Notes which include underwriting, legal, accounting and other fees, are reflected as deferred charges. The deferred charges, net of amortization, are presented as a deduction from the corresponding debt liability on the Company's accompanying condensed consolidated balance sheets in the amount of $3.5 million as of September 30, 2021. The deferred charges are amortized as an adjustment to interest expense using the effective interest method, resulting in a total cost to the Company of approximately 6.64%.     

The Senior Unsecured Notes bear interest at a rate of 5.75% per year, subject to adjustment from time to time based on changes in the ratings of the Senior Unsecured Notes by one or more nationally recognized statistical rating organizations (a “NRSRO”). The annual interest rate on the Senior Unsecured Notes will increase by (i) 0.50% per year beginning on the first day of any six-month interest period if as of such day the Senior Unsecured Notes have a rating of BB+ or below and above B+ from any NRSRO and (ii) 0.75% per year beginning on the first day of any six-month interest period if as of such day the Senior Unsecured Notes have a rating of B+ or below or no rating from any NRSRO. Interest on the Senior Unsecured Notes will be paid semi-annually in arrears on April 30 and October 30 of each year and the Senior Unsecured Notes will mature on April 30, 2026.

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The Company has the right to redeem the Senior Unsecured Notes, in whole or in part, at any time prior to April 30, 2023 at a redemption price equal to 100% of the principal amount of the Senior Unsecured Notes to be redeemed, plus the applicable "make-whole" premium, plus accrued but unpaid interest, if any, to, but excluding, the redemption date. The "make-whole" premium is equal to the present value of all interest that would have accrued between the redemption date and up to, but excluding, April 30, 2023, plus an amount equal to the principal amount of such Senior Unsecured Notes multiplied by 2.875%. On and after April 30, 2023, the Company has the right to redeem the Senior Unsecured Notes, in whole or in part, at 100% of the principal amount of the Senior Unsecured Notes to be redeemed, plus accrued but unpaid interest, if any, to, but excluding, the redemption date, plus an amount equal to the principal amount of such Senior Unsecured Notes multiplied by a date-dependent multiple as detailed in the following table:

Redemption Period	Multiple
April 30, 2023 - April 29, 2024	2.875	%
April 30, 2024 - April 29, 2025	1.4375	%
April 30, 2025 - April 29, 2026	—

No sinking fund is provided for the Senior Unsecured Notes. The Senior Unsecured Notes are senior unsecured obligations of the Company that rank pari passu in right of payment with the Company's Convertible Notes and are structurally subordinated in right of payment to the Company's subordinated debentures.

As of September 30, 2021, the Company's Senior Unsecured Notes contain various covenants including the maintenance of a minimum net asset value, ratio of unencumbered assets to unsecured indebtedness and senior debt service coverage ratio and limit the amount of leverage the Company may utilize and its ability to transfer the Company’s assets substantially as an entirety or merge into or consolidate with another person. The Company is in compliance with such covenants as of September 30, 2021 and through the date of this Quarterly Report on Form 10-Q.

Subordinated Debentures

Subordinated debentures are trust preferred securities that are fully guaranteed by the Company with respect to distributions and amounts payable upon liquidation, redemption or repayment. The following table summarizes the key details of the Company’s subordinated debentures as of September 30, 2021 and December 31, 2020 (dollar amounts in thousands):

	NYM Preferred Trust I		NYM Preferred Trust II
Principal value of trust preferred securities	$	25,000	$	20,000
Interest rate	Three month LIBOR plus 3.75%, resetting quarterly		Three month LIBOR plus 3.95%, resetting quarterly
Scheduled maturity	March 30, 2035		October 30, 2035

As of November 4, 2021, the Company has not been notified, and is not aware, of any event of default under the indenture for the subordinated debentures.

Mortgages Payable on Operating Real Estate

During the nine months ended September 30, 2021, the Company invested in five joint venture investments that own multi-family apartment communities, which the Company determined to be VIEs and for which the Company is the primary beneficiary. Accordingly, the Company consolidated the joint venture entities into its condensed consolidated financial statements (see Note 7).

On November 12, 2020, the Company determined that it became the primary beneficiary of a VIE that owns a multi-family apartment community and in which the Company holds a preferred equity investment. Accordingly, on this date, the Company consolidated the VIE into its condensed consolidated financial statements. Subsequently, in July 2021, the VIE redeemed its non-controlling interest and the Company reconsidered its evaluation of its investment in the entity. The Company determined that the entity no longer met the criteria for being characterized as a VIE and is as a wholly-owned subsidiary of the Company (see Note 7).

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The multi-family apartment communities held by the Consolidated VIEs and a wholly-owned subsidiary of the Company are subject to mortgages payable for which the Company has no obligation for repayment as of September 30, 2021. The following table presents detailed information for these mortgages payable on operating real estate as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	Outstanding Mortgage Balance		Net Deferred Finance Cost		Mortgage Payable, Net		Stated Maturity	Weighted Average Interest Rate (1)		Unfunded Commitment
September 30, 2021	$	203,786	$	(3,066)	$	200,720	2024 - 2031	3.25	%	$	12,188
December 31, 2020	37,030		(278)		36,752		2028	2.54	%	—

(1)Weighted average interest rate is calculated using the outstanding mortgage balance and interest rate as of the date indicated.

Debt Maturities

As of September 30, 2021, maturities for debt on the Company's condensed consolidated balance sheet are as follows (dollar amounts in thousands):

Year Ending December 31,	Total
2021	$	—
2022	138,000
2023	—
2024	108,676
2025	—
2026	100,000
Thereafter	140,110
	$	486,786

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13.    Commitments and Contingencies

Impact of COVID-19

As further discussed in Note 2, the full extent of the impact of the COVID-19 pandemic on the global economy generally, and the Company's business in particular, is uncertain. As of September 30, 2021, no contingencies have been recorded on our condensed consolidated balance sheets as a result of the COVID-19 pandemic; however, as the global pandemic and its economic implications continue, it may have long-term impacts on the Company's operations, financial condition, liquidity or cash flows.

Outstanding Litigation

The Company is at times subject to various legal proceedings arising in the ordinary course of business. As of September 30, 2021, the Company does not believe that any of its current legal proceedings, individually or in the aggregate, will have a material adverse effect on the Company’s operations, financial condition or cash flows.

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14.    Fair Value of Financial Instruments

The Company has established and documented processes for determining fair values. Fair value is based upon quoted market prices, where available. If listed prices or quotes are not available, then fair value is based upon internally developed models that primarily use inputs that are market-based or independently sourced market parameters, including interest rate yield curves.

A financial instrument’s categorization within the valuation hierarchy is based upon the lowest level of input that is significant to the fair value measurement. The three levels of valuation hierarchy are defined as follows:

Level 1 - inputs to the valuation methodology are quoted prices (unadjusted) for identical assets or liabilities in active markets.

Level 2 - inputs to the valuation methodology include quoted prices for similar assets and liabilities in active markets, and inputs that are observable for the asset or liability, either directly or indirectly, for substantially the full term of the financial instrument.

Level 3 - inputs to the valuation methodology are unobservable and significant to the fair value measurement.

The following describes the valuation methodologies used for the Company’s financial instruments measured at fair value, as well as the general classification of such instruments pursuant to the valuation hierarchy.

a.Residential Loans Held in Consolidated SLST and Multi-Family Loans Held in the Consolidated K-Series –Residential loans held in Consolidated SLST and multi-family loans held in the Consolidated K-Series are carried at fair value and classified as Level 3 fair values. In accordance with the practical expedient in ASC 810, the Company determines the fair value of residential loans held in Consolidated SLST and multi-family loans held in the Consolidated K-Series based on the fair value of the CDOs issued by these securitizations and its investment in these securitizations (eliminated in consolidation in accordance with GAAP), as the fair value of these instruments is more observable.

The investment securities (eliminated in consolidation in accordance with GAAP) that we own in these securitizations are generally illiquid and trade infrequently. As such, they are classified as Level 3 in the fair value hierarchy. The fair valuation of these investment securities is determined based on an internal valuation model that considers expected cash flows from the underlying loans and yields required by market participants. The significant unobservable inputs used in the measurement of these investments are projected losses within the pool of loans and a discount rate. The discount rate used in determining fair value incorporates default rate, loss severity, prepayment rate and current market interest rates. Significant increases or decreases in these inputs would result in a significantly lower or higher fair value measurement.

b.Residential Loans and Residential Loans Held in Securitization Trusts – The Company’s acquired residential loans are recorded at fair value and classified as Level 3 in the fair value hierarchy. The fair value for residential loans is determined using valuations obtained from a third party that specializes in providing valuations of residential loans. The valuation approach depends on whether the residential loan is considered performing, re-performing or non-performing at the date the valuation is performed.

For performing and re-performing loans, estimates of fair value are derived using a discounted cash flow model, where estimates of cash flows are determined from scheduled payments for each loan, adjusted using forecast prepayment rates, default rates and rates for loss upon default. For non-performing loans, asset liquidation cash flows are derived based on the estimated time to liquidate the loan, expected liquidation costs and home price appreciation. Estimated cash flows for both performing and non-performing loans are discounted at yields considered appropriate to arrive at a reasonable exit price for the asset. Indications of loan value such as actual trades, bids, offers and generic market color may be used in determining the appropriate discount yield.

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c.Preferred Equity and Mezzanine Loan Investments – Fair value for preferred equity and mezzanine loan investments is determined by both market comparable pricing and discounted cash flows. The discounted cash flows are based on the underlying estimated cash flows and estimated changes in market yields. The fair value also reflects consideration of changes in credit risk since the origination or time of initial investment. This fair value measurement is generally based on unobservable inputs and, as such, is classified as Level 3 in the fair value hierarchy.

d.Investment Securities Available for Sale – The Company determines the fair value of all of its investment securities available for sale based on discounted cash flows utilizing an internal pricing model. The methodology considers the characteristics of the particular security and its underlying collateral, which are observable inputs. These inputs include, but are not limited to, delinquency status, coupon, loan-to-value ("LTV"), historical performance, periodic and life caps, collateral type, rate reset period, seasoning, prepayment speeds and credit enhancement levels. The Company also considers several observable market data points, including prices obtained from third-party pricing services or dealers who make markets in similar financial instruments, trading activity, and dialogue with market participants. Third-party pricing services typically incorporate commonly used market pricing methods, trading activity observed in the marketplace and other data inputs similar to those used in the Company's internal pricing model. The Company has established thresholds to compare internally generated prices with independent third-party prices and any differences that exceed the thresholds are reviewed both internally and with the third-party pricing service. The Company reconciles and resolves all pricing differences in excess of the thresholds before a final price is established. The Company’s investment securities available for sale are valued based upon readily observable market parameters and are classified as Level 2 fair values.

e.Equity Investments – Fair value for equity investments is determined (i) by the valuation process for preferred equity and mezzanine loan investments as described in c. above or (ii) using the net asset value ("NAV") of the equity investment entity as a practical expedient. These fair value measurements are generally based on unobservable inputs and, as such, are classified as Level 3 in the fair value hierarchy.

f.Derivative Instruments – The Company’s derivative instruments were classified as Level 2 fair values and were measured using valuations reported by the clearing house, CME Clearing, through which these instruments were cleared. The derivatives were presented net of variation margin payments pledged or received. The Company had no outstanding derivative instruments as of September 30, 2021 and December 31, 2020.

g.Collateralized Debt Obligations – CDOs issued by Consolidated SLST and the Consolidated K-Series are classified as Level 3 fair values for which fair value is determined by considering several market data points, including prices obtained from third-party pricing services or dealers who make markets in similar financial instruments. The third-party pricing service or dealers incorporate common market pricing methods, including a spread measurement to the Treasury curve or interest rate swap curve as well as underlying characteristics of the particular security. They will also consider contractual cash payments and yields expected by market participants.

Refer to a. above for a description of the fair valuation of CDOs issued by Consolidated SLST and the Consolidated K-Series that are eliminated in consolidation.

Management reviews all prices used in determining fair value to ensure they represent current market conditions. This review includes surveying similar market transactions and comparisons to interest pricing models as well as offerings of like securities by dealers. Any changes to the valuation methodology are reviewed by management to ensure the changes are appropriate. As markets and products develop and the pricing for certain products becomes more transparent, the Company continues to refine its valuation methodologies. The methods described above may produce a fair value calculation that may not be indicative of net realizable value or reflective of future fair values. Furthermore, while the Company believes its valuation methods are appropriate and consistent with other market participants, the use of different methodologies, or assumptions, to determine the fair value of certain financial instruments could result in a different estimate of fair value at the reporting date. The Company uses inputs that are current as of each reporting date, which may include periods of market dislocation, during which time price transparency may be reduced. This condition could cause the Company’s financial instruments to be reclassified from Level 2 to Level 3 in future periods.

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The following table presents the Company’s financial instruments measured at fair value on a recurring basis as of September 30, 2021 and December 31, 2020, respectively, on the Company’s condensed consolidated balance sheets (dollar amounts in thousands):

	Measured at Fair Value on a Recurring Basis at
	September 30, 2021								December 31, 2020
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Assets carried at fair value
Residential loans:
Residential loans	$	—	$	—	$	1,325,219	$	1,325,219	$	—	$	—	$	1,090,930	$	1,090,930
Consolidated SLST	—		—		1,137,005		1,137,005		—		—		1,266,785		1,266,785
Residential loans held in securitization trusts	—		—		811,583		811,583		—		—		691,451		691,451
Multi-family loans	—		—		119,812		119,812		—		—		163,593		163,593
Investment securities available for sale:
Agency RMBS	—		125,589		—		125,589		—		139,395		—		139,395
Non-Agency RMBS	—		224,776		—		224,776		—		355,666		—		355,666
CMBS	—		56,243		—		56,243		—		186,440		—		186,440
ABS	—		41,485		—		41,485		—		43,225		—		43,225
Equity investments	—		—		255,014		255,014		—		—		259,095		259,095
Total	$	—	$	448,093	$	3,648,633	$	4,096,726	$	—	$	724,726	$	3,471,854	$	4,196,580
Liabilities carried at fair value
Consolidated SLST CDOs	$	—	$	—	$	904,976	$	904,976	$	—	$	—	$	1,054,335	$	1,054,335
Total	$	—	$	—	$	904,976	$	904,976	$	—	$	—	$	1,054,335	$	1,054,335

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The following tables detail changes in valuation for the Level 3 assets for the nine months ended September 30, 2021 and 2020, respectively (dollar amounts in thousands):

Level 3 Assets:

	Nine Months Ended September 30, 2021
	Residential loans
	Residential loans		Consolidated SLST		Residential loans held in securitization trusts		Multi-family loans		Equity investments		Total
Balance at beginning of period	$	1,090,930	$	1,266,785	$	691,451	$	163,593	$	259,095	$	3,471,854
Total gains/(losses) (realized/unrealized)
Included in earnings	28,094		(16,522)		34,901		14,811		22,021		83,305
Transfers out (1)	(2,080)		—		(1,707)		—		—		(3,787)
Transfer to securitization trust, net (2)	(236,751)		—		236,751		—		—		—
Funding/Contributions	—		—		—		7,970		45,230		53,200
Paydowns/Distributions	(464,097)		(113,258)		(149,019)		(66,562)		(71,332)		(864,268)
Sales	(65,076)		—		(2,376)		—		—		(67,452)
Purchases	974,199		—		1,582		—		—		975,781
Balance at the end of period	$	1,325,219	$	1,137,005	$	811,583	$	119,812	$	255,014	$	3,648,633

(1)Transfers out of Level 3 assets represents the transfer of residential loans to real estate owned.

(2)In May 2021, the Company completed a securitization of certain business purpose loans. In August 2021, the Company redeemed a residential loan securitization and completed a new residential loan securitization of certain performing, re-performing and non-performing residential loans (see Note 7 for further discussion of the Company's residential loan securitizations).

	Nine Months Ended September 30, 2020
	Residential loans						Multi-family loans
	Residential loans		Consolidated SLST		Residential loans held in securitization trusts		Preferred equity and mezzanine loan investments		Consolidated K-Series		Equity investments		Total
Balance at beginning of period	$	1,429,754	$	1,328,886	$	—	$	—	$	17,816,746	$	83,882	$	20,659,268
Total (losses)/gains (realized/unrealized)
Included in earnings	(26,069)		24,096		8,836		9,760		41,795		14,573		72,991
Transfers in (1)	164,279		—		46,572		182,465		—		107,477		500,793
Transfers out (2) (3)	(5,061)		—		(1,497)		—		(237,297)		—		(243,855)
Transfer to securitization trust, net (4)	(317,089)		—		317,089		—		—		—		—
Funding/Contributions	—		—		—		13,712		—		35,951		49,663
Paydowns/Distributions	(224,073)		(62,977)		(15,514)		(22,783)		(239,796)		(23,177)		(588,320)
Recovery of charge-off	—		—		—		—		35		—		35
Sales (3)	(93,755)		—		—		—		(17,381,483)		—		(17,475,238)
Purchases	249,312		—		—		—		—		—		249,312
Balance at the end of period	$	1,177,298	$	1,290,005	$	355,486	$	183,154	$	—	$	218,706	$	3,224,649

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(1)As of January 1, 2020, the Company elected to account for all residential loans, residential loans held in securitization trusts, equity investments and preferred equity and mezzanine loan investments using the fair value option.

(2)Transfers out of Level 3 assets includes the transfer of residential loans to real estate owned.

(3)During the nine months ended September 30, 2020, the Company sold first loss PO securities included in the Consolidated K-Series and, as a result, de-consolidated multi-family loans held in the Consolidated K-Series and transferred its remaining securities owned in the Consolidated K-Series to investment securities available for sale (see Note 7).

(4)In July 2020, the Company completed a securitization of certain performing, re-performing and non-performing residential loans (see Note 7).

The following tables detail changes in valuation for the Level 3 liabilities for the nine months ended September 30, 2021 and 2020, respectively (dollar amounts in thousands):

Level 3 Liabilities:

	Nine Months Ended September 30, 2021
	Consolidated SLST CDOs
Balance at beginning of period	$	1,054,335
Total gains (realized/unrealized)
Included in earnings	(35,525)
Paydowns	(113,834)
Balance at the end of period	$	904,976

	Nine Months Ended September 30, 2020
	Collateralized debt obligations
	Consolidated K-Series		Consolidated SLST		Total
Balance at beginning of period	$	16,724,451	$	1,052,829	$	17,777,280
Total losses/(gains) (realized/unrealized)
Included in earnings	35,018		66,203		101,221
Paydowns	(147,376)		(63,278)		(210,654)
Sales (1)	(16,612,093)		22,226		(16,589,867)
Balance at the end of period	$	—	$	1,077,980	$	1,077,980

(1)During the nine months ended September 30, 2020, the Company sold first loss PO securities included in the Consolidated K-Series and, as a result, de-consolidated the Consolidated K-Series CDOs (see Note 7). Also includes the Company's net sales of senior securities issued by Consolidated SLST during the nine months ended September 30, 2020 (see Note 7).

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The following table discloses quantitative information regarding the significant unobservable inputs used in the valuation of our Level 3 assets and liabilities measured at fair value (dollar amounts in thousands, except input values):

September 30, 2021	Fair Value	Valuation Technique	Unobservable Input	Weighted Average	Range
Assets
Residential loans:
Residential loans and residential loans held in securitization trusts (1)	$2,044,724	Discounted cash flow	Lifetime CPR	8.5%	—	-	51.3%
			Lifetime CDR	0.7%	—	-	28.7%
			Loss severity	10.4%	—	-	100.0%
			Yield	4.8%	2.4%	-	48.7%
	$92,078	Liquidation model	Annual home price appreciation	1.4%	—	-	25.4%
			Liquidation timeline (months)	30	9	-	53
			Property value	$720,766	$15,000	-	$6,500,000
			Yield	7.1%	7.0%	-	28.0%
Consolidated SLST (3)	$1,137,005		Liability price	N/A
Total	$3,273,807
Multi-family loans (1)	$119,812	Discounted cash flow	Discount rate	11.5%	11.0%	-	19.5%
			Months to assumed redemption	23	1	-	60
			Loss severity	—
Equity investments (1) (2)	$237,925	Discounted cash flow	Discount rate	11.9%	11.0%	-	18.3%
			Months to assumed redemption	26	1	-	60
			Loss severity	—
Liabilities
Consolidated SLST CDOs (3) (4)	$904,976	Discounted cash flow	Yield	2.6%	1.5%	-	23.3%
			Collateral prepayment rate	5.7%	2.5%	-	6.4%
			Collateral default rate	1.8%	—	-	9.4%
			Loss severity	18.7%	—	-	21.2%

(1)Weighted average amounts are calculated based on the weighted average fair value of the assets.

(2)Equity investments does not include equity ownership interests in entities that invest in residential properties. The fair value of these investments is determined using the net asset value ("NAV") as a practical expedient.

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(3)In accordance with the practical expedient in ASC 810, the Company determines the fair value of the residential loans held in Consolidated SLST based on the fair value of the CDOs issued by Consolidated SLST, including investment securities we own, as the fair value of these instruments is more observable. At September 30, 2021, the fair value of investment securities we own in Consolidated SLST amounts to $231.1 million.

(4)Weighted average yield calculated based on the weighted average fair value of the liabilities. Weighted average collateral prepayment rate, weighted average collateral default rate, and weighted average loss severity are calculated based on the weighted average unpaid balance of the liabilities.

The following table details the changes in unrealized gains (losses) included in earnings for the three and nine months ended September 30, 2021 and 2020, respectively, for our Level 3 assets and liabilities held as of September 30, 2021 and 2020, respectively (dollar amounts in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Assets
Residential loans:
Residential loans (1)	$	7,881	$	35,420	$	21,476	$	(883)
Consolidated SLST (1)	6,287		41,063		(12,585)		28,014
Residential loans held in securitization trusts (1)	12,791		817		31,015		(823)
Multi-family loans (1)	538		(955)		1,203		(6,518)
Equity investments (2)	(294)		7		634		(4,052)
Liabilities
Consolidated SLST CDOs (1)	(1,985)		(13,918)		35,905		(62,907)

(1)Presented in unrealized gains (losses), net on the Company's condensed consolidated statements of operations.

(2)Presented in income from equity investments on the Company's condensed consolidated statements of operations.

The following table presents the carrying value and estimated fair value of the Company’s financial instruments at September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

		September 30, 2021				December 31, 2020
	Fair Value Hierarchy Level	Carrying Value		Estimated Fair Value		Carrying Value		Estimated Fair Value
Financial Assets:
Cash and cash equivalents	Level 1	$	408,785	$	408,785	$	293,183	$	293,183
Residential loans	Level 3	3,273,807		3,273,807		3,049,166		3,049,166
Multi-family loans	Level 3	119,812		119,812		163,593		163,593
Investment securities available for sale	Level 2	448,093		448,093		724,726		724,726
Equity investments	Level 3	255,014		255,014		259,095		259,095
Financial Liabilities:
Repurchase agreements	Level 2	334,556		334,556		405,531		405,531
Collateralized debt obligations:
Residential loan securitizations at amortized cost, net	Level 3	710,102		714,176		554,067		561,329
Consolidated SLST	Level 3	904,976		904,976		1,054,335		1,054,335
Non-Agency RMBS re-securitization	Level 2	—		—		15,256		15,472
Subordinated debentures	Level 3	45,000		44,188		45,000		36,871
Convertible notes	Level 2	137,240		139,474		135,327		137,716
Senior unsecured notes	Level 2	96,540		104,794		—		—
Mortgages payable on operating real estate	Level 3	200,720		200,720		36,752		36,752

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In addition to the methodology to determine the fair value of the Company’s financial assets and liabilities reported at fair value, as previously described, the following methods and assumptions were used by the Company in arriving at the fair value of the Company’s other financial instruments in the table immediately above:

a.Cash and cash equivalents – Estimated fair value approximates the carrying value of such assets.

b.Repurchase agreements – The fair value of these repurchase agreements approximates cost as they are short term in nature.

c.Residential loan securitizations at amortized cost, net and non-Agency RMBS re-securitization – The fair value of these CDOs is based on discounted cash flows as well as market pricing on comparable obligations.

d.Subordinated debentures – The fair value of these subordinated debentures is based on discounted cash flows using management’s estimate for market yields.

e.Convertible notes and senior unsecured notes – The fair value is based on quoted prices provided by dealers who make markets in similar financial instruments.

f.Mortgages payable on operating real estate – Estimated fair value approximates the carrying value of such liabilities.

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15.    Stockholders' Equity

(a) Preferred Stock

The Company had 200,000,000 authorized shares of preferred stock, par value $0.01 per share, with 22,441,081 shares and 20,872,888 shares issued and outstanding as of September 30, 2021 and December 31, 2020, respectively.

As of September 30, 2021, the Company has four outstanding series of cumulative redeemable preferred stock (the “Preferred Stock”): 7.75% Series B Cumulative Redeemable Preferred Stock (“Series B Preferred Stock”), 8.00% Series D Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock (“Series D Preferred Stock”), 7.875% Series E Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock (“Series E Preferred Stock”) and 6.875% Series F Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock (“Series F Preferred Stock”). Each series of the Preferred Stock is senior to the Company’s common stock with respect to dividends and distributions upon liquidation, dissolution or winding up.

In July 2021, the Company issued 5,750,000 shares of the Company's Series F Preferred Stock, with a par value of $0.01 per share and a liquidation preference of $25.00 per share, in an underwritten public offering, for net proceeds of approximately $138.6 million after deducting underwriting discounts and commissions and offering expenses. On August 6, 2021, the Company classified and designated an additional 2,000,000 shares of the Company’s authorized but unissued preferred stock as Series F Preferred Stock.

In July 2021, the Company redeemed all outstanding shares of its 7.875% Series C Cumulative Redeemable Preferred Stock (“Series C Preferred Stock”) at an aggregate redemption price of approximately $25.08 per share, which included accumulated and unpaid dividends up to, but not including, the redemption date. The excess of the $25.00 liquidation price per share over the carrying value of the Series C Preferred Stock resulted in a charge of $3.4 million to net income attributable to Company's common stockholders for the three and nine months ended September 30, 2021.

The following table summarizes the Company’s Preferred Stock issued and outstanding as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

September 30, 2021

Class of Preferred Stock	Shares Authorized	Shares Issued and Outstanding	Carrying Value		Liquidation Preference		Contractual Rate (1)		Optional Redemption Date (2)	Fixed-to-Floating Rate Conversion Date (1)(3)	Floating Annual Rate (4)
Fixed Rate
Series B	6,000,000	3,156,087	$	76,180	$	78,902	7.750	%	June 4, 2018
Fixed-to-Floating Rate
Series D	8,400,000	6,123,495	148,134		153,087		8.000	%	October 15, 2027	October 15, 2027	3M LIBOR + 5.695%
Series E	9,900,000	7,411,499	179,349		185,288		7.875	%	January 15, 2025	January 15, 2025	3M LIBOR + 6.429%
Series F	7,750,000	5,750,000	138,569		143,750		6.875	%	October 15, 2026	October 15, 2026	3M SOFR + 6.130%
Total	32,050,000	22,441,081	$	542,232	$	561,027

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December 31, 2020

Class of Preferred Stock	Shares Authorized	Shares Issued and Outstanding	Carrying Value		Liquidation Preference		Contractual Rate (1)		Optional Redemption Date (2)	Fixed-to-Floating Rate Conversion Date (1)(3)	Floating Annual Rate (4)
Fixed Rate
Series B	6,000,000	3,156,087	$	76,180	$	78,902	7.750	%	June 4, 2018
Series C	6,600,000	4,181,807	101,102		104,545		7.875	%	April 22, 2020
Fixed-to-Floating Rate
Series D	8,400,000	6,123,495	148,134		153,087		8.000	%	October 15, 2027	October 15, 2027	3M LIBOR + 5.695%
Series E	9,900,000	7,411,499	179,349		185,288		7.875	%	January 15, 2025	January 15, 2025	3M LIBOR + 6.429%
Total	30,900,000	20,872,888	$	504,765	$	521,822

(1)Each series of fixed rate preferred stock is entitled to receive a dividend at the contractual rate shown, respectively, per year on its $25 liquidation preference. Each series of fixed-to-floating rate preferred stock is entitled to receive a dividend at the contractual rate shown, respectively, per year on its $25 liquidation preference up to, but excluding, the fixed-to-floating rate conversion date.

(2)Each series of Preferred Stock is not redeemable by the Company prior to the respective optional redemption date disclosed except under circumstances intended to preserve the Company’s qualification as a REIT and except upon occurrence of a Change in Control (as defined in the Articles Supplementary designating the Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stock, respectively). Refer above for disclosure regarding the optional redemption of the Company's Series C Preferred Stock.

(3)Beginning on the respective fixed-to-floating rate conversion date, each of the Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stock is entitled to receive a dividend on a floating rate basis according to the terms disclosed in footnote (4) below.

(4)On and after the fixed-to-floating rate conversion date, each of the Series D Preferred Stock and Series E Preferred Stock is entitled to receive a dividend at a floating rate equal to three-month LIBOR plus the respective spread disclosed above per year on its $25 liquidation preference. On and after the fixed-to-floating rate conversion date, the Series F Preferred Stock is entitled to receive a dividend at a floating rate equal to three-month SOFR plus the spread disclosed above per year on its $25 liquidation preference.

For each series of Preferred Stock, on or after the respective optional redemption date disclosed, the Company may, at its option, redeem the respective series of Preferred Stock in whole or in part, at any time or from time to time, for cash at a redemption price equal to $25.00 per share, plus any accumulated and unpaid dividends. In addition, upon the occurrence of a change of control, the Company may, at its option, redeem the Preferred Stock in whole or in part, within 120 days after the first date on which such change of control occurred, for cash at a redemption price of $25.00 per share, plus any accumulated and unpaid dividends.

The Preferred Stock generally do not have any voting rights, subject to an exception in the event the Company fails to pay dividends on such stock for six or more quarterly periods (whether or not consecutive). Under such circumstances, holders of the Preferred Stock voting together as a single class with the holders of all other classes or series of our preferred stock upon which like voting rights have been conferred and are exercisable and which are entitled to vote as a class with the Preferred Stock will be entitled to vote to elect two additional directors to the Company’s Board of Directors (the "Board") until all unpaid dividends have been paid or declared and set apart for payment. In addition, certain material and adverse changes to the terms of any series of the Preferred Stock cannot be made without the affirmative vote of holders of at least two-thirds of the outstanding shares of the series of Preferred Stock whose terms are being changed.

The Preferred Stock has no stated maturity, is not subject to any sinking fund or mandatory redemption and will remain outstanding indefinitely unless repurchased or redeemed by the Company or converted into the Company’s common stock in connection with a change of control.

49

Upon the occurrence of a change of control, each holder of Preferred Stock will have the right (unless the Company has exercised its right to redeem the Preferred Stock) to convert some or all of the Preferred Stock held by such holder into a number of shares of our common stock per share of the applicable series of Preferred Stock determined by a formula, in each case, on the terms and subject to the conditions described in the applicable Articles Supplementary for such series.

(b) Dividends on Preferred Stock

From the time of original issuance of the Preferred Stock through December 31, 2019, the Company declared and paid all required quarterly dividends on such series of stock. On March 23, 2020, the Company announced that it had suspended quarterly dividends on its Preferred Stock that would have been payable in April 2020 to focus on conserving capital during the difficult market conditions resulting from the COVID-19 pandemic. On June 15, 2020, the Company reinstated the payment of dividends on its Preferred Stock and declared dividends in arrears for the quarterly period that began on January 15, 2020 and ended on April 14, 2020. The following table presents the relevant information with respect to quarterly cash dividends declared on the Preferred Stock commencing January 1, 2020 through September 30, 2021:

			Cash Dividend Per Share
Declaration Date	Record Date	Payment Date	Series B Preferred Stock			Series C Preferred Stock			Series D Preferred Stock			Series E Preferred Stock			Series F Preferred Stock
September 13, 2021	October 1, 2021	October 15, 2021	$	0.484375		$	—	(1)	$	0.50		$	0.4921875		$	0.4679	(2)
June 14, 2021	July 1, 2021	July 15, 2021	0.484375			0.4921875			0.50			0.4921875			—
March 15, 2021	April 1, 2021	April 15, 2021	0.484375			0.4921875			0.50			0.4921875			—
December 7, 2020	January 1, 2021	January 15, 2021	0.484375			0.4921875			0.50			0.4921875			—
September 14, 2020	October 1, 2020	October 15, 2020	0.484375			0.4921875			0.50			0.4921875			—
June 15, 2020	July 1, 2020	July 15, 2020	0.968750		(3)	0.9843750		(3)	1.00		(3)	0.9843750		(3)	—

(1)Refer above for disclosure regarding the optional redemption of the Company's Series C Preferred Stock.

(2)Cash dividend for the long initial dividend period that began on July 7, 2021 and ended on October 14, 2021.

(3)Preferred Stock dividends declared on June 15, 2020 included cash dividends in arrears for the quarterly period that began on January 15, 2020 and ended on April 14, 2020 and cash dividends for the quarterly period that began on April 15, 2020 and ended on July 14, 2020.

(c) Dividends on Common Stock

On March 23, 2020, the Company announced that it had suspended its quarterly dividend on common stock for the first quarter of 2020 to focus on conserving capital during the difficult market conditions resulting from the COVID-19 pandemic. As a result, the Company did not declare a cash dividend on its common stock during the three months ended March 31, 2020. Beginning in the second quarter of 2020, the Company has declared a regular quarterly cash dividend in each quarterly period through September 30, 2021. The following table presents cash dividends declared by the Company on its common stock with respect to the quarterly periods commencing January 1, 2020 and ended September 30, 2021:

Period	Declaration Date	Record Date	Payment Date	Cash Dividend Per Share
Third Quarter 2021	September 13, 2021	September 23, 2021	October 25, 2021	$	0.100
Second Quarter 2021	June 14, 2021	June 24, 2021	July 26, 2021	0.100
First Quarter 2021	March 15, 2021	March 25, 2021	April 26, 2021	0.100
Fourth Quarter 2020	December 7, 2020	December 17, 2020	January 25, 2021	0.100
Third Quarter 2020	September 14, 2020	September 24, 2020	October 26, 2020	0.075
Second Quarter 2020	June 15, 2020	July 1, 2020	July 27, 2020	0.050

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(d) Equity Distribution Agreements

On August 10, 2021, the Company entered into an equity distribution agreement (the “Common Equity Distribution Agreement”) with a sales agent, pursuant to which the Company may offer and sell shares of its common stock, par value $0.01 per share, having a maximum aggregate sales price of up to $100.0 million from time to time through the sales agent. The Company has no obligation to sell any of the shares of common stock issuable under the Common Equity Distribution Agreement and may at any time suspend solicitations and offers under the Common Equity Distribution Agreement.

The Common Equity Distribution Agreement replaces the Company's prior equity distribution agreement with a sales agent dated as of August 10, 2017, as amended on September 10, 2018 (collectively, the "Prior Equity Distribution Agreement"), pursuant to which approximately $72.5 million of aggregate value of the Company's common stock remained available for issuance prior to termination.

There were no shares of the Company's common stock issued under the Common Equity Distribution Agreement and the Prior Equity Distribution Agreement during the three and nine months ended September 30, 2021 and 2020. As of September 30, 2021, $100.0 million of common stock remains available for issuance under the Common Equity Distribution Agreement.

On March 29, 2019, the Company entered into an equity distribution agreement (the "Preferred Equity Distribution Agreement") with a sales agent, pursuant to which the Company may offer and sell shares of the Company's Series B Preferred Stock, Series C Preferred Stock and Series D Preferred Stock, having a maximum aggregate gross sales price of up to $50.0 million, from time to time through the sales agent. On November 27, 2019, the Company entered into an amendment to the Preferred Equity Distribution Agreement that increased the maximum aggregate sales price to $131.5 million. The amendment also provided for the inclusion of sales of the Company’s Series E Preferred Stock. On August 10, 2021, the Company entered into an amendment to the Preferred Equity Distribution Agreement that increased the maximum aggregate sales price to $149.1 million. The amendment also provided for the inclusion of sales of the Company's Series F Preferred Stock and the exclusion of sales of the Company's Series C Preferred Stock. The Company has no obligation to sell any of the shares of Preferred Stock issuable under the Preferred Equity Distribution Agreement and may at any time suspend solicitations and offers under the Preferred Equity Distribution Agreement.

There were no shares of Preferred Stock issued under the Preferred Equity Distribution Agreement during the three and nine months ended September 30, 2021 and 2020. As of September 30, 2021, approximately $100.0 million of Preferred Stock remains available for issuance under the Preferred Equity Distribution Agreement.

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16.    Earnings (Loss) Per Common Share

The Company calculates basic earnings (loss) per common share by dividing net income (loss) attributable to the Company's common stockholders for the period by weighted-average shares of common stock outstanding for that period. Diluted earnings (loss) per common share takes into account the effect of dilutive instruments, such as convertible notes, performance share units ("PSUs") and restricted stock units ("RSUs"), and the number of incremental shares that are to be added to the weighted-average number of shares outstanding.

During the three and nine months ended September 30, 2021, the Company's Convertible Notes were determined to be anti-dilutive and were not included in the calculation of diluted earnings per common share. During the three months ended September 30, 2020, the Company's Convertible Notes were determined to be dilutive and were included in the calculation of diluted earnings per common share under the "if-converted" method. Under this method, the periodic interest expense (net of applicable taxes) for dilutive notes is added back to the numerator and the number of shares that the notes are entitled to (if converted, regardless of whether they are in or out of the money) are included in the denominator. During the nine months ended September 30, 2020, the Company's Convertible Notes were determined to be anti-dilutive and were not included in the calculation of diluted loss per common share.

During the three and nine months ended September 30, 2021, certain of the PSUs and RSUs awarded under the Company's 2017 Equity Incentive Plan (as amended, the "2017 Plan") were determined to be dilutive and were included in the calculation of diluted earnings per common share under the treasury stock method. Under this method, common equivalent shares are calculated assuming that target PSUs and outstanding RSUs vest according to the respective PSU and RSU agreements and unrecognized compensation cost is used to repurchase shares of the Company’s outstanding common stock at the average market price during the reported period. During the three months ended September 30, 2020, certain of the PSUs and RSUs awarded under the 2017 Plan were determined to be dilutive. During the nine months ended September 30, 2020, the PSUs and RSUs awarded under the 2017 Plan were determined to be anti-dilutive and were not included in the calculation of diluted loss per common share.

The following table presents the computation of basic and diluted earnings (loss) per common share for the periods indicated (dollar and share amounts in thousands, except per share amounts):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Basic Earnings (Loss) per Common Share:
Net income (loss) attributable to Company	$	51,576	$	101,641	$	157,024	$	(368,929)
Less: Preferred Stock dividends	(11,272)		(10,297)		(31,865)		(30,890)
Less: Preferred Stock redemption charge	(3,443)		—		(3,443)		—
Net income (loss) attributable to Company's common stockholders	$	36,861	$	91,344	$	121,716	$	(399,819)
Basic weighted average common shares outstanding	379,395		377,744		379,193		368,740
Basic Earnings (Loss) per Common Share	$	0.10	$	0.24	$	0.32	$	(1.08)
Diluted Earnings (Loss) per Common Share:
Net income (loss) attributable to Company	$	51,576	$	101,641	$	157,024	$	(368,929)
Less: Preferred Stock dividends	(11,272)		(10,297)		(31,865)		(30,890)
Less: Preferred Stock redemption charge	(3,443)		—		(3,443)		—
Add back: Interest expense on Convertible Notes for the period, net of tax	—		2,525		—		—
Net income (loss) attributable to Company's common stockholders	$	36,861	$	93,869	$	121,716	$	(399,819)
Weighted average common shares outstanding	379,395		377,744		379,193		368,740
Net effect of assumed Convertible Notes conversion to common shares	—		19,694		—		—
Net effect of assumed PSUs vested	1,378		369		1,746		—
Net effect of assumed RSUs vested	210		1,902		166		—
Diluted weighted average common shares outstanding	380,983		399,709		381,105		368,740
Diluted Earnings (Loss) per Common Share	$	0.10	$	0.23	$	0.32	$	(1.08)

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17.    Stock Based Compensation

In May 2017, the Company’s stockholders approved the 2017 Plan, with such stockholder action resulting in the termination of the Company’s 2010 Stock Incentive Plan (the “2010 Plan”). The terms of the 2017 Plan, as amended from time to time, are substantially the same as the 2010 Plan. At September 30, 2021, there were no common shares of non-vested restricted stock outstanding under the 2010 Plan.

Pursuant to the 2017 Plan, eligible employees, officers and directors of the Company are offered the opportunity to acquire the Company's common stock through equity awards under the 2017 Plan. The maximum number of shares that may be issued under the 2017 Plan is 43,170,000.

Of the common stock authorized at September 30, 2021, 31,486,637 shares remain available for issuance under the 2017 Plan. The Company’s non-employee directors have been issued 687,503 shares under the 2017 Plan as of September 30, 2021. The Company’s employees have been issued 2,689,394 shares of restricted stock under the 2017 Plan as of September 30, 2021. At September 30, 2021, there were 1,790,342 shares of non-vested restricted stock outstanding, 6,168,886 common shares reserved for issuance in connection with outstanding PSUs under the 2017 Plan and 1,016,252 common shares reserved for issuance in connection with outstanding RSUs under the 2017 Plan.

Of the common stock authorized at December 31, 2020, 5,540,536 shares were reserved for issuance under the 2017 Plan. The Company's non-employee directors had been issued 507,821 shares under the 2017 Plan as of December 31, 2020. The Company’s employees had been issued 1,881,380 shares of restricted stock under the 2017 Plan as of December 31, 2020. At December 31, 2020, there were 1,603,766 shares of non-vested restricted stock outstanding, 4,798,517 common shares reserved for issuance in connection with outstanding PSUs under the 2017 Plan and 441,746 common shares reserved for issuance in connection with outstanding RSUs under the 2017 Plan.

(a) Restricted Common Stock Awards

During the three and nine months ended September 30, 2021, the Company recognized non-cash compensation expense on its restricted common stock awards of $1.0 million and $3.2 million, respectively. During the three and nine months ended September 30, 2020, the Company recognized non-cash compensation expense on its restricted common stock awards of $1.0 million and $2.8 million, respectively. Dividends are paid on all restricted common stock issued, whether those shares have vested or not. Non-vested restricted stock is forfeited upon the recipient's termination of employment, subject to certain exceptions.

A summary of the activity of the Company's non-vested restricted stock collectively under the 2010 Plan and 2017 Plan for the nine months ended September 30, 2021 and 2020, respectively, is presented below:

	2021			2020
	Number of Non-vested Restricted Shares	Weighted Average Per Share Grant Date Fair Value (1)		Number of Non-vested Restricted Shares	Weighted Average Per Share Grant Date Fair Value (1)
Non-vested shares as of January 1	1,603,766	$	6.27	837,123	$	6.18
Granted	939,446	3.82		1,054,254	6.33
Vested	(621,438)	5.41		(287,611)	6.22
Forfeited	(131,432)	4.92		—	—
Non-vested shares as of September 30	1,790,342	$	5.10	1,603,766	$	6.27
Restricted stock granted during the period	939,446	$	3.82	1,054,254	$	6.33

(1)The grant date fair value of restricted stock awards is based on the closing market price of the Company’s common stock at the grant date.

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At September 30, 2021 and 2020, the Company had unrecognized compensation expense of $5.7 million and $6.9 million, respectively, related to the non-vested shares of restricted common stock under the 2017 Plan and 2010 Plan, collectively. The unrecognized compensation expense at September 30, 2021 is expected to be recognized over a weighted average period of 1.7 years. The total fair value of restricted shares vested during the nine months ended September 30, 2021 and 2020 was approximately $2.5 million and $1.8 million, respectively. The requisite service period for restricted stock awards at issuance is three years and the restricted common stock either vests ratably over the requisite service period or at the end of the requisite service period.

(b) Performance Share Units

During the nine months ended September 30, 2021 and 2020, the Company granted PSUs that had been approved by the Compensation Committee and the Board of Directors. Each PSU represents an unfunded promise to receive one share of the Company's common stock once the performance condition has been satisfied. The awards were issued pursuant to and are consistent with the terms and conditions of the 2017 Plan.

The PSU awards are subject to performance-based vesting under the 2017 Plan pursuant to the PSU award agreements ("PSU Agreements"). Vesting of the PSUs will occur at the end of three years based on the following:

•If three-year TSR performance relative to the Company's identified performance peer group (the "Relative TSR") is less than the 30th percentile, then 0% of the target PSUs will vest;

•If three-year Relative TSR performance is equal to the 30th percentile, then the Threshold % (as defined in the individual PSU Agreements) of the target PSUs will vest;

•If three-year Relative TSR performance is equal to the 50th percentile, then 100% of the target PSUs will vest; and

•If three-year Relative TSR performance is greater than or equal to the 80th percentile, then the Maximum % (as defined in the individual PSU Agreements) of the target PSUs will vest.

The percentage of target PSUs that vest for performance between the 30th, 50th, and 80th percentiles will be calculated using linear interpolation.

TSR for the Company and each member of the peer group will be determined by dividing (i) the sum of the cumulative amount of such entity’s dividends per share for the performance period and the arithmetic average per share volume weighted average price (the “VWAP”) of such entity’s common stock for the last thirty (30) consecutive trading days of the performance period minus the arithmetic average per share VWAP of such entity’s common stock for the last thirty (30) consecutive trading days immediately prior to the performance period by (ii) the arithmetic average per share VWAP of such entity’s common stock for the last thirty (30) consecutive trading days immediately prior to the performance period.

The grant date fair value of the PSUs was determined through a Monte-Carlo simulation of the Company’s common stock total shareholder return and the common stock total shareholder return of its identified performance peer companies to determine the Relative TSR of the Company’s common stock over a future period of three years. For PSUs granted, the inputs used by the model to determine the fair value are (i) historical stock price volatilities of the Company and its identified performance peer companies over the most recent three year period and correlation between each company's stock and the identified performance peer group over the same time series and (ii) a risk free rate for the period interpolated from the U.S. Treasury yield curve on grant date.

The PSUs granted during the nine months ended September 30, 2021 and 2020 include DERs which shall remain outstanding from the grant date until the earlier of the settlement or forfeiture of the PSU to which the DER corresponds. Each vested DER entitles the holder to receive payments in an amount equal to any dividends paid by the Company in respect of the share of the Company’s common stock underlying the PSU to which such DER relates. Upon vesting of the PSUs, the DER will also vest. DERs will be forfeited upon forfeiture of the corresponding PSUs. The DERs may be settled in cash or stock at the discretion of the Compensation Committee.

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A summary of the activity of the target PSU awards under the 2017 Plan for the nine months ended September 30, 2021 and 2020, respectively, is presented below:

	2021			2020
	Number of Non-vested Target Shares	Weighted Average Per Share Grant Date Fair Value (1)		Number of Non-vested Target Shares	Weighted Average Per Share Grant Date Fair Value (1)
Non-vested target PSUs as of January 1	2,902,014	$	4.98	2,018,518	$	4.09
Granted	1,631,661	5.56		883,496	7.03
Vested	(842,792)	4.20		—	—
Forfeited	(314,143)	5.29		—	—
Non-vested target PSUs as of September 30	3,376,740	$	5.43	2,902,014	$	4.98

(1)The grant date fair value of the PSUs was determined through a Monte-Carlo simulation of the Company’s common stock total shareholder return and the common stock total shareholder return of its identified performance peer companies to determine the Relative TSR of the Company’s common stock over a future period of three years.

The three-year performance period for PSUs granted in 2018 ended on December 31, 2020, resulting in the vesting of 974,074 shares of common stock during the nine months ended September 30, 2021 with a fair value of $3.7 million on the vesting date. The number of vested shares related to PSUs granted in 2018 exceeded the target PSUs of 842,792. Non-vested PSUs are forfeited upon the recipient's termination of employment, subject to certain exceptions.

As of September 30, 2021 and 2020, there was $9.2 million and $7.0 million of unrecognized compensation cost related to the non-vested portion of the PSUs, respectively. The unrecognized compensation cost related to the non-vested portion of the PSUs at September 30, 2021 is expected to be recognized over a weighted average period of 1.9 years. Compensation expense related to the PSUs was $0.9 million and $3.9 million for the three and nine months ended September 30, 2021, respectively. Compensation expense related to the PSUs was $1.3 million and $3.7 million for the three and nine months ended September 30, 2020, respectively.

Restricted Stock Units

During the nine months ended September 30, 2021 and 2020, the Company granted RSUs that had been approved by the Compensation Committee and the Board of Directors. Each RSU represents an unfunded promise to receive one share of the Company's common stock upon satisfaction of the vesting provisions. The awards were issued pursuant to and are consistent with the terms and conditions of the 2017 Plan. The requisite service period for RSUs at issuance is three years and the RSUs vest ratably over the requisite service period.

The RSUs granted during the nine months ended September 30, 2021 and 2020 include DERs which shall remain outstanding from the grant date until the earlier of the settlement or forfeiture of the RSU to which the DER corresponds. Each vested DER entitles the holder to receive payments in an amount equal to any dividends paid by the Company in respect of the share of the Company’s common stock underlying the RSU to which such DER relates. Upon vesting of the RSUs, the DER will also vest. DERs will be forfeited upon forfeiture of the corresponding RSUs. The DERs may be settled in cash or stock at the discretion of the Compensation Committee.

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A summary of the activity of the RSU awards under the 2017 Plan for the nine months ended September 30, 2021 and 2020, respectively, is presented below:

	2021			2020
	Number of Non-vested Shares	Weighted Average Per Share Grant Date Fair Value (1)		Number of Non-vested Shares	Weighted Average Per Share Grant Date Fair Value (1)
Non-vested RSUs as of January 1	441,746	$	6.23	—	$	—
Granted	815,830	3.69		441,746	6.23
Vested	(147,254)	6.23		—	—
Forfeited	(94,070)	4.37		—	—
Non-vested RSUs as of September 30	1,016,252	$	4.36	441,746	$	6.23

(1)The grant date fair value of RSUs is based on the closing market price of the Company’s common stock at the grant date.

During the nine months ended September 30, 2021, 147,254 shares of common stock were issued in connection with the vesting of RSUs at a fair value of $0.5 million on the vesting date. Non-vested RSUs are forfeited upon the recipient's termination of employment, subject to certain exceptions.

As of September 30, 2021 and 2020, there was $3.2 million and $2.1 million of unrecognized compensation cost related to the non-vested portion of the RSUs, respectively. The unrecognized compensation cost related to the non-vested portion of the RSUs at September 30, 2021 is expected to be recognized over a weighted average period of 1.9 years. Compensation expense related to the RSUs was $0.4 million and $1.3 million for the three and nine months ended September 30, 2021, respectively. Compensation expense related to the RSUs was $0.2 million and $0.7 million for the three and nine months ended September 30, 2020, respectively.

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18.    Income Taxes

For the three and nine months ended September 30, 2021 and 2020, the Company qualified to be taxed as a REIT under the Internal Revenue Code of 1986, as amended, for U.S. federal income tax purposes. As long as the Company qualifies as a REIT, the Company generally will not be subject to U.S. federal income taxes on its taxable income to the extent it annually distributes at least 100% of its taxable income to stockholders and does not engage in prohibited transactions. Certain activities the Company performs may produce income that will not be qualifying income for REIT purposes. The Company has designated its TRSs to engage in these activities. The tables below reflect the taxes accrued at the TRS level and the tax attributes included in the condensed consolidated financial statements.

The income tax provision for the three and nine months ended September 30, 2021 and 2020, respectively, is comprised of the following components (dollar amounts in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Current income tax expense (benefit)	$	226	$	(659)	$	497	$	1,386
Deferred income tax expense (benefit)	989		(113)		799		(469)
Total income tax provision (benefit)	$	1,215	$	(772)	$	1,296	$	917

Deferred Tax Assets and Liabilities

The major sources of temporary differences included in the deferred tax assets and their deferred tax effect as of September 30, 2021 and December 31, 2020 are as follows (dollar amounts in thousands):

	September 30, 2021		December 31, 2020
Deferred tax assets
Net operating loss carryforward	$	4,417	$	6,024
Capital loss carryover	7,481		4,442
GAAP/Tax basis differences	317		814
Total deferred tax assets (1)	12,215		11,280
Deferred tax liabilities
GAAP/Tax basis differences	6,247		2
Total deferred tax liabilities (2)	6,247		2
Valuation allowance (1)	(4,993)		(9,503)
Total net deferred tax asset	$	975	$	1,775

(1)Included in other assets in the accompanying condensed consolidated balance sheets.

(2)Included in other liabilities in the accompanying condensed consolidated balance sheets.

As of September 30, 2021, the Company, through wholly-owned TRSs, had incurred net operating losses in the aggregate amount of approximately $11.8 million. The Company’s carryforward net operating losses of approximately $10.9 million can be carried forward indefinitely until they are offset by future taxable income. The remaining $0.9 million of net operating losses will expire between 2036 and 2037 if they are not offset by future taxable income. Additionally, as of September 30, 2021, the Company, through its wholly-owned TRSs, had also incurred approximately $22.0 million in capital losses. The Company's carryforward capital losses will expire between 2023 and 2026 if they are not offset by future capital gains.

At September 30, 2021, the Company has recorded a valuation allowance against certain deferred tax assets as management does not believe that it is more likely than not that these deferred tax assets will be realized. The change in the valuation for the current year is approximately $4.5 million. We will continue to monitor positive and negative evidence related to the utilization of the remaining deferred tax assets for which a valuation allowance continues to be provided.

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The Company files income tax returns with the U.S. federal government and various state and local jurisdictions. The Company's federal, state and city income tax returns are subject to examination by the Internal Revenue Service and related tax authorities generally for three years after they were filed. The Company has assessed its tax positions for all open years and concluded that there are no material uncertainties to be recognized.

Based on the Company’s evaluation, the Company has concluded that there are no significant uncertain tax positions requiring recognition in the Company’s financial statements. To the extent that the Company incurs interest and accrued penalties in connection with its tax obligations, including expenses related to the Company’s evaluation of unrecognized tax positions, such amounts will be included in income tax expense.

On March 27, 2020, the Coronavirus Aid, Relief, and Economic Security (“CARES”) Act was enacted in the U.S. This legislation was intended to support the economy during the COVID-19 pandemic with temporary changes to income and non-income based tax laws. For the three and nine months ended September 30, 2021, the changes did not have a material impact to our financial statements. We will continue to monitor as additional guidance is issued by the U.S. Treasury Department, the Internal Revenue Service and others.

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19.    Net Interest Income

The following table details the components of the Company's interest income and interest expense for the three and nine months ended September 30, 2021 and 2020, respectively (dollar amounts in thousands):

	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
	2021		2020		2021		2020
Interest income
Residential loans
Residential loans	$	20,480	$	16,006	$	60,295	$	55,157
Consolidated SLST	10,245		10,896		31,042		34,542
Residential loans held in securitization trusts	11,008		3,802		28,909		4,725
Total residential loans	41,733		30,704		120,246		94,424
Multi-family loans
Preferred equity and mezzanine loan investments	3,449		5,300		11,980		15,875
Consolidated K-Series	—		—		—		151,841
Total multi-family loans	3,449		5,300		11,980		167,716
Investment securities available for sale	7,129		9,282		22,279		41,309
Other	12		72		43		492
Total interest income	52,323		45,358		154,548		303,941
Interest expense
Repurchase agreements	3,110		5,341		10,884		33,453
Collateralized debt obligations
Consolidated SLST	7,116		7,562		21,371		24,255
Consolidated K-Series	—		—		—		129,762
Residential loan securitizations	5,053		2,160		14,788		2,527
Non-Agency RMBS re-securitization	—		1,524		283		1,994
Total collateralized debt obligations	12,169		11,246		36,442		158,538
Convertible notes	2,810		2,759		8,382		8,234
Senior unsecured notes	1,598		—		2,734		—
Subordinated debentures	458		483		1,374		1,714
Derivatives	—		—		—		868
Mortgages payable on operating real estate	1,147		—		1,886		—
Total interest expense	21,292		19,829		61,702		202,807
Net interest income	$	31,031	$	25,529	$	92,846	$	101,134

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Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS

When used in this Quarterly Report on Form 10-Q, in future filings with the SEC or in press releases or other written or oral communications issued or made by us, statements which are not historical in nature, including those containing words such as “will,” “believe,” “expect,” “anticipate,” “estimate,” “plan,” “continue,” “intend,” “could,” “would,” “should,” “may,” or similar expressions, are intended to identify “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and, as such, may involve known and unknown risks, uncertainties and assumptions. 

Forward-looking statements are based on estimates, projections, beliefs and assumptions of management of the Company at the time of such statements and are not guarantees of future performance. Forward-looking statements involve risks and uncertainties in predicting future results and conditions. Actual results and outcomes could differ materially from those projected in these forward-looking statements due to a variety of factors, including, without limitation:

•changes in our business and investment strategy;

•changes in interest rates and the fair market value of our assets, including negative changes resulting in margin calls relating to the financing of our assets;

•changes in credit spreads;

•changes in the long-term credit ratings of the U.S., Fannie Mae, Freddie Mac, and Ginnie Mae;

•general volatility of the markets in which we invest;

•changes in prepayment rates on the loans we own or that underlie our investment securities;

•increased rates of default or delinquency and/or decreased recovery rates on our assets;

•our ability to identify and acquire our targeted assets, including assets in our investment pipeline;

•changes in our relationships with our financing counterparties and our ability to borrow to finance our assets and the terms thereof;

•our ability to predict and control costs;

•changes in laws, regulations or policies affecting our business, including actions that may be taken to contain or address the impact of the novel coronavirus ("COVID-19") pandemic;

•our ability to make distributions to our stockholders in the future;

•our ability to maintain our qualification as a REIT for federal tax purposes;

•our ability to maintain our exemption from registration under the Investment Company Act of 1940;

•risks associated with investing in real estate assets, including changes in business conditions and the general economy, the availability of investment opportunities and the conditions in the market for Agency RMBS, non-Agency RMBS, ABS and CMBS securities, residential loans, structured multi-family investments and other mortgage-, residential housing- and credit-related assets, including changes resulting from the ongoing spread and economic effects of COVID-19; and

•the impact of COVID-19 on us, our operations and our personnel.

These and other risks, uncertainties and factors, including the risk factors described herein, as updated by those risks described in our subsequent filings with the SEC under the Exchange Act, could cause our actual results to differ materially from those projected in any forward-looking statements we make. All forward-looking statements speak only as of the date on which they are made. New risks and uncertainties arise over time and it is not possible to predict those events or how they may affect us. Except as required by law, we are not obligated to, and do not intend to, update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.

Special Note Regarding COVID-19 Pandemic

Because there have been no comparable recent global pandemics that resulted in similar impact, we do not yet know the full extent of the effects of the COVID-19 pandemic on our business, operations, personnel, or the U.S. economy as a whole. Any future developments in this regard will be highly uncertain and cannot be predicted with any certainty, including the scope and duration of the pandemic, the effectiveness of our work from home arrangements, third-party providers’ ability to support our operations, any actions taken by governmental authorities and other third parties in response to the pandemic, and the other factors discussed above and throughout this Quarterly Report on Form 10-Q. The uncertain future development of the pandemic could materially and adversely affect our business, operations, operating results, financial condition, liquidity or capital levels.

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Defined Terms

In this Quarterly Report on Form 10-Q we refer to New York Mortgage Trust, Inc., together with its consolidated subsidiaries, as “we,” “us,” “Company,” or “our,” unless we specifically state otherwise or the context indicates otherwise, and we refer to our wholly-owned taxable REIT subsidiaries as “TRSs” and our wholly-owned qualified REIT subsidiaries as “QRSs.” In addition, the following defines certain of the commonly used terms in this report:

•“ABS” refers to debt and/or equity tranches of securitizations backed by various asset classes including, but not limited to, automobiles, aircraft, credit cards, equipment, franchises, recreational vehicles and student loans;

•“Agency ARMs” refers to Agency RMBS comprised of adjustable-rate and hybrid adjustable-rate RMBS;

•“Agency CMBS” refers to CMBS representing interests in or obligations backed by pools of mortgage loans guaranteed by a government sponsored enterprise (“GSE”), such as the Federal National Mortgage Association (“Fannie Mae”) or the Federal Home Loan Mortgage Corporation (“Freddie Mac”);

•“Agency fixed-rate RMBS” refers to Agency RMBS comprised of fixed-rate RMBS;

•“Agency RMBS” refers to RMBS representing interests in or obligations backed by pools of residential loans guaranteed by Fannie Mae or Freddie Mac, or an agency of the U.S. government, such as Ginnie Mae;

•“Agency securities” refers to Agency RMBS and/or Agency CMBS;

•“ARMs” refers to adjustable-rate residential loans;

•“business purpose loans” refers to short-term loans collateralized by residential properties made to investors who intend to rehabilitate and sell the residential property for a profit;

•“CDO” refers to collateralized debt obligation and includes debt that permanently finances the residential loans held in Consolidated SLST, multi-family loans held in the Consolidated K-Series and the Company's residential loans held in securitization trusts and non-Agency RMBS re-securitization that we consolidate, or consolidated, in our financial statements in accordance with GAAP;

•“CMBS” refers to commercial mortgage-backed securities comprised of commercial mortgage pass-through securities issued by a GSE, as well as PO, IO or mezzanine securities that represent the right to a specific component of the cash flow from a pool of commercial mortgage loans;

•“Consolidated K-Series” refers to Freddie Mac-sponsored multi-family loan K-Series securitizations, of which we, or one of our “special purpose entities,” or “SPEs,” owned the first loss POs and certain IOs and certain senior or mezzanine securities that we consolidated in our financial statements in accordance with GAAP prior to disposition;

•“Consolidated SLST” refers to a Freddie Mac-sponsored residential loan securitization, comprised of seasoned re-performing and non-performing residential loans, of which we own or owned the first loss subordinated securities and certain IOs and senior securities that we consolidate in our financial statements in accordance with GAAP;

•“Consolidated VIEs” refers to VIEs where the Company is the primary beneficiary, as it has both the power to direct the activities that most significantly impact the economic performance of the VIE and a right to receive benefits or absorb losses of the entity that could be potentially significant to the VIE and that we consolidate in our financial statements in accordance with GAAP;

•“excess mortgage servicing spread” refers to the difference between the contractual servicing fee with Fannie Mae, Freddie Mac or Ginnie Mae and the base servicing fee that is retained as compensation for servicing or subservicing the related mortgage loans pursuant to the applicable servicing contract;

•“GAAP” refers to generally accepted accounting principles within the United States;

•“IOs” refers collectively to interest only and inverse interest only mortgage-backed securities that represent the right to the interest component of the cash flow from a pool of mortgage loans;

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•“MBS” refers to mortgage-backed securities;

•“multi-family CMBS” refers to CMBS backed by commercial mortgage loans on multi-family properties;

•“non-Agency RMBS” refers to RMBS that are not guaranteed by any agency of the U.S. Government or GSE;

•“non-QM loans” refers to residential loans that are not deemed “qualified mortgage,” or “QM,” loans under the rules of the Consumer Financial Protection Bureau;

•“POs” refers to mortgage-backed securities that represent the right to the principal component of the cash flow from a pool of mortgage loans;

•“RMBS” refers to residential mortgage-backed securities backed by adjustable-rate, hybrid adjustable-rate or fixed-rate residential loans;

•“second mortgages” refers to liens on residential properties that are subordinate to more senior mortgages or loans; and

•“Variable Interest Entity” or “VIE” refers to an entity in which equity investors do not have the characteristics of a controlling financial interest or do not have sufficient equity at risk for the entity to finance its activities without additional subordinated financial support from other parties.

General

We are a real estate investment trust (“REIT”) for U.S. federal income tax purposes, in the business of acquiring, investing in, financing and managing primarily mortgage-related single-family and multi-family residential assets. Our objective is to deliver long-term stable distributions to our stockholders over changing economic conditions through a combination of net interest margin and capital gains from a diversified investment portfolio. Our investment portfolio includes credit sensitive single-family and multi-family assets.

We have elected to be taxed as a REIT for U.S. federal income tax purposes and have complied, and intend to continue to comply, with the provisions of the Internal Revenue Code of 1986, as amended (the “Internal Revenue Code”), with respect thereto. Accordingly, we do not expect to be subject to federal income tax on our REIT taxable income that we currently distribute to our stockholders if certain asset, income, distribution and ownership tests and record keeping requirements are fulfilled. Even if we maintain our qualification as a REIT, we expect to be subject to some federal, state and local taxes on our income generated in our TRSs.

Executive Summary

The global pandemic associated with COVID-19 and its related economic conditions have caused and continue to cause disruption in the U.S. and world economies. During the initial months of the pandemic, financial and mortgage-related asset markets came under extreme duress, resulting in credit spread widening, a sharp decrease in interest rates and unprecedented illiquidity in repurchase agreement financing and MBS markets. As a result of and in response to these conditions, we significantly reduced the size of our investment portfolio and portfolio leverage during 2020. Since the market disruption and through the date hereof, we have continued our deliberate and patient approach to enhancing liquidity and strengthening our balance sheet by completing non-mark-to-market securitizations and non-mark-to-market repurchase agreement financings with new and existing counterparties and opportunistically selling certain investment securities. In addition, we took advantage of the lower interest rate environment and accessed the market with two capital markets transactions. In April 2021, we completed a private placement of $100.0 million of rated senior unsecured notes with a 5-year term at an interest rate of 5.75% per annum and in July 2021, we completed an offering of Series F preferred stock for net proceeds of approximately $138.6 million with a coupon of 6.875%. We used a portion of the net proceeds from the Series F preferred stock offering to redeem our 7.875% Series C preferred stock, thereby lowering the cost of the capital represented by the redeemed preferred stock by 100 bps.

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Our targeted investments currently include (i) residential loans and business purpose loans, (ii) structured multi-family property investments such as preferred equity in, and mezzanine loans to, owners of multi-family properties, as well as joint venture equity investments in multi-family properties, (iii) non-Agency RMBS, (iv) Agency RMBS, (v) CMBS and (vi) certain other mortgage-, residential housing- and credit-related assets. Subject to maintaining our qualification as a REIT and the maintenance of our exclusion from registration as an investment company, we also may opportunistically acquire and manage various other types of mortgage-, residential housing- and other credit-related assets that we believe will compensate us appropriately for the risks associated with them, including, without limitation, collateralized mortgage obligations, mortgage servicing rights, excess mortgage servicing spreads and securities issued by newly originated securitizations, including credit sensitive securities from these securitizations.

We intend to continue to focus on our core portfolio strengths of single-family residential and multi-family credit assets, which we believe will deliver better risk adjusted returns over time. In periods where we have working capital in excess of our short-term liquidity needs, we may invest the excess in more liquid assets until such time as we are able to re-invest that capital in credit assets that meet our underwriting and return requirements. Our investment and capital allocation decisions depend on prevailing market conditions, among other factors, and may change over time in response to opportunities available in different economic and capital market environments. We currently expect to maintain a defensive posture as it relates to new investments and focus on assets that may benefit from active management in a prolonged, low rate environment. We also expect to selectively monetize gains from the price recovery experienced by our non-Agency RMBS and CMBS investments and opportunistically sell certain of our residential loans.

We seek to achieve a balanced and diverse funding mix to finance our assets and operations, which has typically included a combination of short-term borrowings, such as repurchase agreements with terms typically of 30-90 days, longer-term repurchase agreement borrowings with terms between one year and 24 months and longer-term financings, including securitizations, convertible notes and senior unsecured notes, with terms longer than one year. We expect to place a greater emphasis on procuring longer-termed and/or more committed financing agreements, such as securitizations, term financings and corporate debt securities, that provide less or no exposure to fluctuations in the collateral repricing determinations of financing counterparties or rapid liquidity reductions in repurchase agreement financing markets. While longer-termed financings may involve greater expense relative to repurchase agreement funding, we believe, over time, this approach may better allow us to manage our liquidity risk and reduce exposures to market events like those caused by the COVID-19 pandemic during March 2020. We intend to continue in the near term to explore additional financing arrangements to further strengthen our balance sheet and position ourselves for future investment opportunities, including, without limitation, additional issuances of our equity and debt securities and longer-termed financing arrangements; however, no assurance can be given that we will be able to access any such financing or the size, timing or terms thereof.

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Portfolio Update

In the three months ended September 30, 2021, we continued to pursue single-family and multi-family credit investments and opportunistically sold residential loans and investment securities. The following table presents the activity for our investment portfolio for the three months ended September 30, 2021 (dollar amounts in thousands):

	June 30, 2021		Acquisitions		Repayments (1)		Sales		Fair Value Changes and Other (2)		September 30, 2021
Residential loans	$	2,026,204	$	370,705	$	(236,882)	$	(49,508)	$	26,283	$	2,136,802
Preferred equity investments, mezzanine loans and equity investments	331,416		52,880		(14,650)		—		5,180		374,826
Investment securities
Agency RMBS	131,299		—		(5,090)		—		(620)		125,589
CMBS	145,500		—		—		(89,481)		224		56,243
Non-Agency RMBS	287,988		28,785		(49,748)		(43,579)		1,330		224,776
ABS	42,620		—		—		—		(1,135)		41,485
Total investment securities available for sale	607,407		28,785		(54,838)		(133,060)		(201)		448,093
Consolidated SLST (3)	228,287		—		—		—		2,861		231,148
Total investment securities	835,694		28,785		(54,838)		(133,060)		2,660		679,241
Other investments (4)	32,226		52,223		(216)		—		(1,470)		82,763
Total investment portfolio	$	3,225,540	$	504,593	$	(306,586)	$	(182,568)	$	32,653	$	3,273,632

(1)Includes principal repayments and return of invested capital.

(2)Primarily includes net realized gains or losses, changes in net unrealized gains or losses (including reversals of previously recognized net unrealized gains or losses on sales), a write-down and the reversal of previously recognized unrealized losses on non-Agency RMBS IOs, net amortization/accretion and net loss from operating real estate attributable to the Company.

(3)Consolidated SLST is presented on our condensed consolidated balance sheets as residential loans, at fair value and collateralized debt obligations, at fair value. A reconciliation to our condensed consolidated financial statements as of September 30, 2021 and June 30, 2021, respectively, follows (dollar amounts in thousands):

	September 30, 2021		June 30, 2021
Residential loans, at fair value	$	1,137,005	$	1,176,539
Deferred interest (a)	(881)		(162)
Less: Collateralized debt obligations, at fair value	(904,976)		(948,090)
Consolidated SLST investment securities owned by NYMT	$	231,148	$	228,287

(a)Included in other liabilities on our condensed consolidated balance sheets at September 30, 2021 and June 30, 2021.

(4)Includes the following balances as of September 30, 2021 and June 30, 2021, respectively (dollar amounts in thousands):

	September 30, 2021		June 30, 2021
Preferred equity investment in Consolidated VIE	$	—	$	11,652
Equity investments in consolidated multi-family apartment communities (a)	73,335		20,574
Single-family rental properties	9,428		—
Total other investments	$	82,763	$	32,226

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(a)See "Balance Sheet Analysis—Equity Investments in Multi-Family and Residential Entities—Equity Investments in Consolidated Multi-family Apartment Communities" for a reconciliation of equity investments in consolidated multi-family apartment communities to the Company's condensed consolidated balance sheets.

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Current Market Conditions and Commentary

The results of our business operations are affected by a number of factors, many of which are beyond our control, and primarily depend on, among other things, the level of our net interest income, the market value of our assets, which is driven by numerous factors including the supply and demand for mortgage, housing and credit assets in the marketplace, the ability of our operating partners and borrowers of our loans and those that underlie our investment securities to meet their payment obligations, the terms and availability of adequate financing and capital, general economic and real estate conditions (both on a national and local level), the impact of government actions in the real estate, mortgage, credit and financial markets, and the credit performance of our credit sensitive assets.

Financial market performance was mixed during the third quarter of 2021, with concerns around a resurgence in COVID-19 cases, inflation, the timing and pace of tapering of quantitative easing by the U.S. Federal Reserve and stalled fiscal stimulus legislation in Congress pulling markets downward in September and erasing much of the gains recorded earlier in the quarter. Investors continue to be wary of inflationary pressures and its ultimate impact on interest rates. According to The Conference Board® Consumer Confidence Index, consumer confidence in the U.S. fell to a seven-month low in September 2021 after peaking in June, likely driven, in part, by a rise in COVID-19 cases in late summer and cooling economic activity. Asset pricing generally remained solid during the third quarter. Similar to assets in the larger economy, pricing for our investment portfolio improved during the third quarter with credit spreads tightening across a good portion of the portfolio.

The market conditions discussed below significantly influence our investment strategy and results:

General. U.S. economic data released over the past quarter shows that the U.S. economic recovery stalled in the third quarter, with U.S. gross domestic product (“GDP”) having advanced by just 2.0% (advance estimate) in the third quarter of 2021, down from an increase of 6.7% in the second quarter of 2021.

The U.S. labor market continued to show improvements throughout the third quarter, with September 2021 wage data showing a 4.6% increase in wages year-over-year and the participation rate continuing its advance, although the September new jobs number finished well below expectations. According to the U.S. Department of Labor, the U.S. unemployment rate continued to decrease in the third quarter from 5.9% as of the end of June to 4.8% as of the end of September, as the number of unemployed persons decreased from 9.5 million in June to 7.7 million in September; however, this number is still 2.0 million higher than in February 2020. Total nonfarm payroll employment rose by 194,000 in September.

Single-Family Homes and Residential Mortgage Market. The residential real estate market continued to experience robust growth in the third quarter of 2021. Data released by the S&P Dow Jones Indices for their S&P CoreLogic Case-Shiller National Home Price NSA Indices for July 2021 showed that, on average, home prices increased 19.9% for the 20-City Composite over July 2020, up from 19.1% the previous month. In addition, according to data provided by the U.S. Department of Commerce, privately-owned housing starts for single-family homes averaged a seasonally adjusted annual rate of 1,090,667 and 1,117,667 for the three and nine months ended September 30, 2021, respectively, compared to an annual rate of 1,002,000 for the year ended December 31, 2020. Declining single-family housing fundamentals may adversely impact the borrowers of our residential mortgage loans and those that underlie our RMBS, and thus the overall credit profile of our existing portfolio of single-family residential credit investments, as well as the availability of certain of our targeted assets. However, if interest rates move higher, we would expect this to put downward pressure on the expanding housing market and borrowers. As of September 30, 2021, less than 1% of borrowers in our residential loan portfolio remained in an active COVID-19 relief plan.

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Multi-family Housing. According to data provided by the U.S. Department of Commerce, starts on multi-family homes containing five units or more averaged a seasonally adjusted annual rate of 466,000 and 454,444 for the three and nine months ended September 30, 2021, respectively, compared to 382,000 for the year ended December 31, 2020. As many workers remain unemployed or under-employed, the financial ability of households to meet their rental payment obligations is an ongoing concern. Data released by the National Multifamily Housing Council (“NMHC”) shows that 78.4% of apartment households made a full or partial October rent payment by October 6, 2021 in its survey of 11.8 million professionally-managed apartment units across the country. This represents a 1.0-percentage point decrease in the share who paid rent through October 6, 2020 and compares to 72.0% that had paid by September 6, 2021. These data encompass a wide variety of market-rate rental properties, which can vary by size, type and average rental price. As of September 30, 2021, the Company had one preferred equity investment, representing approximately 1.1% of our total preferred equity and mezzanine loan investment portfolio, that was delinquent in making distributions to us. Weakness in the multi-family housing sector, including, among other things, widening capitalization rates, reduced demand, increased vacancy rates, increased tenant lease defaults and reduced liquidity for owners of multi-family properties, may cause our operating partners to fail to meet their obligations to us and/or contribute to valuation declines for multi-family properties generally, including those in which we have an investment, and in turn, many of the structured multi-family investments that we own.

Credit Spreads. During the third quarter, investment grade credit spreads remained stable while higher-yield spreads tightened further as economic activity increased. Tightening credit spreads generally increase the value of many of our credit sensitive assets, while widening credit spreads tend to have a negative impact on the value of many of our credit sensitive assets.

Financing markets. During the third quarter, the bond market experienced greater volatility than the second quarter with the closing yield of the 10-year U.S. Treasury Note trading between 1.19% and 1.55% during the quarter, closing the quarter at 1.52%. Overall interest rate volatility tends to increase the costs of hedging and may place downward pressure on some of our strategies. During the third quarter of 2021, the Treasury curve steepened somewhat with the spread between the 2-Year U.S. Treasury yield and the 10-Year U.S. Treasury yield at 124 basis points as of September 30, 2021, up 4 basis points from June 30, 2021. This spread is important as it is indicative of opportunities for investing in levered assets. Increases in interest rates raise the costs of many of our liabilities, while overall interest rate volatility generally increases the costs of hedging.

Monetary Policy and Recent Regulatory Developments. The Federal Reserve has taken a number of actions to stabilize markets as a result of the impact of the COVID-19 pandemic. To address funding disruptions resulting from the economic crisis and market dislocations resulting from the COVID-19 pandemic, the Federal Reserve has been conducting large scale overnight repo operations in the U.S. Treasury, Agency debt and Agency RMBS financing markets and substantially increased these operations. In June 2021, the Federal Reserve announced it would continue to increase its holdings of U.S. Treasuries by at least $80 billion per month and of Agency MBS by at least $40 billion per month until “substantial further progress has been made toward the Committee’s maximum employment and price stability goals.” In September 2021, the Federal Reserve stated that the economy had made progress towards their employment and price stability goals, and that if such progress continues as expected, then a moderation in the Federal Reserve’s pace of asset purchases “may soon be warranted.” The Federal Reserve indicated that a decision to begin moderating its asset purchases could occur at its November 2021 meeting with the tapering of purchases commencing shortly thereafter. Additionally, in view of the COVID-19 pandemic and to foster maximum employment and price stability, the Federal Reserve in September 2021 reaffirmed its decision to keep the target range for the federal funds rate at 0% to 0.25%. The Federal Reserve expects to maintain the current target range for the federal funds rate until labor market conditions are consistent with the Federal Reserve’s assessments of maximum employment and “inflation has risen to two percent and is on track to moderately exceed two percent for some time.”

In response to the economic impact of the COVID-19 pandemic, governors of several states issued executive orders prohibiting evictions and foreclosures for specified periods of time, and many courts enacted emergency rules delaying hearings related to evictions or foreclosures. While some of these state protections have expired, the Centers for Disease Control and Prevention (“CDC”) issued an order to temporarily halt residential evictions under certain circumstances in an effort to prevent the spread of the COVID-19 pandemic, which became effective on September 4, 2020 and had been extended by the Biden administration to October 3, 2021. On August 26, 2021, the United States Supreme Court struck down the CDC’s order and allowed for evictions to resume.

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To address the severe dislocations experienced in the mortgage and fixed-income markets that resulted from the COVID-19 pandemic, since March 23, 2020, the Federal Housing Finance Agency (“FHFA”) took steps to implement portions of the CARES Act and to support mortgage servicers. Under the CARES Act, borrowers experiencing hardship from the COVID-19 pandemic are eligible to receive forbearance of up to 12 months. The FHFA announced that the GSEs will offer such forbearance to qualifying multi-family borrowers. The GSEs’ multi-family forbearance was set to expire at the end of the third quarter but was extended indefinitely by the FHFA on September 24, 2021. The GSEs will also offer such forbearance arrangements to single-family mortgages indefinitely until the GSEs provide further notice. In response to such forbearance arrangements and to assist servicers facing revenue losses caused by the COVID-19 pandemic, the FHFA limited the advance payments required to be made to the GSEs. Specifically, servicers of Agency RMBS are only required to advance four months of missed payments on loans in forbearance.

On September 6, 2021, the enhanced unemployment support provided under the American Rescue Plan Act of 2021 expired. Unemployment levels remain precarious and without such continued unemployment support, we anticipate that the number of our operating partners and borrowers of our residential loans and those that underlie our investment securities that become delinquent or default on their financial obligations could increase. Such increased levels could materially adversely affect our business, financial condition, results of operations and our ability to make distributions to our stockholders.

In 2017, policymakers announced that LIBOR will be replaced by 2021. LIBOR will be replaced with a new Secured Overnight Funding Rate (“SOFR”), a rate based on U.S. repo trading. On November 30, 2020, ICE Benchmark Administration (“IBA”), the administrator of LIBOR, with the support of the Federal Reserve and the United Kingdom’s Financial Conduct Authority, announced plans to consult on ceasing publication of USD LIBOR on December 31, 2021 for only the one week and two month USD LIBOR tenors, and on June 30, 2023 for all other USD LIBOR tenors. While this announcement extends the transition period to June 2023, the Federal Reserve concurrently issued a statement advising banks to stop new USD LIBOR issuances by the end of 2021. In light of these recent announcements, the future of LIBOR at this time is uncertain and any changes in the methods by which LIBOR is determined or regulatory activity related to LIBOR’s phaseout could cause LIBOR to perform differently than in the past or cease to exist. We continue to monitor the emergence of this new rate carefully, as it will likely become the new benchmark for hedges and a range of interest rate investments.

The scope and nature of the actions the Federal Reserve and other governmental authorities will undertake are unknown and will continue to evolve. There can be no assurance as to how, in the long term, these and other actions, as well as the negative impacts from the ongoing COVID-19 pandemic, will affect the efficiency, liquidity and stability of the financial, credit and mortgage markets, and thus, our business. Greater uncertainty frequently leads to wider asset spreads or lower prices and higher hedging costs.

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Third Quarter 2021 Summary

Earnings and Return Metrics

The following table presents key earnings and return metrics for the three and nine months ended September 30, 2021 (dollar amounts in thousands, except per share data):

	Three Months Ended September 30, 2021			Nine Months Ended September 30, 2021
Net income attributable to Company's common stockholders	$	36,861		$	121,716
Net income attributable to Company's common stockholders per share (basic)	$	0.10		$	0.32
Comprehensive income attributable to Company's common stockholders	$	31,453		$	122,763
Comprehensive income attributable to Company's common stockholders per share (basic)	$	0.08		$	0.32
Net interest income	$	31,031		$	92,846
Book value per common share	$	4.74		$	4.74
Economic return on book value (1)	2.1		%	7.0		%
Dividends per common share	$	0.10		$	0.30

(1)Economic return on book value is based on the periodic change in GAAP book value per common share plus dividends declared per common share, if any, during the period.

Developments

•Purchased approximately $370.7 million in residential loans and $28.8 million in non-Agency RMBS.

•Funded multi-family preferred equity investments in the amount of approximately $42.6 million and multi-family joint venture investments for approximately $53.1 million.

•Sold residential loans for proceeds of approximately $49.5 million, non-Agency RMBS for proceeds of approximately $43.6 million and CMBS for proceeds of approximately $89.5 million.

•Issued 5,750,000 shares of 6.875% Series F Fixed-to-Floating-Rate Cumulative Redeemable Preferred Stock for total net proceeds to the Company of approximately $138.6 million after deduction of underwriting discounts and commissions and offering expenses. The Company used the net proceeds to fund the redemption of all outstanding shares of its 7.875% Series C Preferred Stock at an aggregate redemption price of approximately $104.9 million, which included accumulated and unpaid dividends up to, but not including, the redemption date of July 30, 2021.

•Redeemed one of the Company's residential loan securitizations with an outstanding balance of $203.5 million at the time of redemption and completed a new securitization of certain performing, re-performing and non-performing residential loans resulting in approximately $254.9 million of net proceeds to the Company.

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Significant Estimates and Critical Accounting Policies

We prepare our consolidated financial statements in conformity with GAAP, which requires the use of estimates and assumptions that affect reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. These estimates are based, in part, on our judgment and assumptions regarding various economic conditions that we believe are reasonable based on facts and circumstances existing at the time of reporting. We believe that the estimates, judgments and assumptions utilized in the preparation of our consolidated financial statements are prudent and reasonable. Although our estimates contemplate conditions as of September 30, 2021 and how we expect them to change in the future, it is reasonably possible that actual conditions could be different than anticipated in those estimates, which could materially affect reported amounts of assets, liabilities and accumulated other comprehensive income at the date of the consolidated financial statements and the reported amounts of income, expenses and other comprehensive income during the periods presented. Moreover, the uncertainty over the ultimate impact that the COVID-19 pandemic will have on the global economy generally, and on our business in particular, makes any estimates and assumptions inherently less certain than they would be absent the current and potential impacts of the COVID-19 pandemic.

Accounting policies and estimates related to specific components of our consolidated financial statements are disclosed in the notes to our consolidated financial statements. A discussion of the critical accounting policies and the possible effects of changes in estimates on our consolidated financial statements is included in Item 8 of our Annual Report on Form 10-K for the year ended December 31, 2020 and under “Note 2 – Summary of Significant Accounting Policies” to the consolidated financial statements included therein.

Recent Accounting Pronouncements

A discussion of recent accounting pronouncements and the possible effects on our consolidated financial statements is included in “Note 2 — Summary of Significant Accounting Policies” included in Part I, Item 1 of this Quarterly Report on Form 10-Q.

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Capital Allocation

The following provides an overview of the allocation of our total equity as of September 30, 2021 and December 31, 2020, respectively. We fund our investing and operating activities with a combination of cash flow from operations, proceeds from common and preferred equity and debt securities offerings, including convertible notes and senior unsecured notes, short-term and longer-term repurchase agreements, CDOs and trust preferred debentures. A detailed discussion of our liquidity and capital resources is provided in “Liquidity and Capital Resources” elsewhere in this section.

The following tables set forth our allocated capital by investment category at September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands).

At September 30, 2021:

	Single-Family		Multi- Family		Other		Total
Residential loans	$	3,273,807	$	—	$	—	$	3,273,807
Consolidated SLST CDOs	(904,976)		—		—		(904,976)
Multi-family loans	—		119,812		—		119,812
Investment securities available for sale (1)	350,365		56,243		41,485		448,093
Equity investments	—		237,925		17,089		255,014
Other investments (2)	9,428		73,335		—		82,763
Total investment portfolio carrying value	2,728,624		487,315		58,574		3,274,513
Liabilities:
Repurchase agreements	(334,556)		—		—		(334,556)
Residential loan securitization CDOs	(710,102)		—		—		(710,102)
Convertible notes	—		—		(137,240)		(137,240)
Senior unsecured notes	—		—		(96,540)		(96,540)
Subordinated debentures	—		—		(45,000)		(45,000)
Cash, cash equivalents and restricted cash (3)	21,091		—		405,686		426,777
Other	41,885		(7,909)		(54,035)		(20,059)
Net Company capital allocated	$	1,746,942	$	479,406	$	131,445	$	2,357,793
Total Leverage Ratio (4)							0.3
Portfolio Leverage Ratio (5)							0.1

(1)Agency RMBS with a fair value of $125.6 million are included in Single-Family.

(2)Represents the Company's single-family rental properties and equity investments in consolidated multi-family apartment communities. See "Balance Sheet Analysis—Equity Investments in Multi-Family and Residential Entities—Equity Investments in Consolidated Multi-family Apartment Communities" for a reconciliation of equity investments in consolidated multi-family apartment communities to the Company's condensed consolidated balance sheets.

(3)Excludes cash amounting to $3.9 million held in the Company's equity investments in consolidated multi-family apartment communities. Restricted cash is included in the Company’s accompanying condensed consolidated balance sheets in other assets.

(4)Represents total outstanding repurchase agreement financing, subordinated debentures, Convertible Notes and Senior Unsecured Notes divided by the Company's total stockholders' equity. Does not include Consolidated SLST CDOs amounting to $905.0 million, residential loan securitization CDOs amounting to $710.1 million and mortgages payable on operating real estate amounting to $200.7 million as they are non-recourse debt for which the Company has no obligation.

(5)Represents outstanding repurchase agreement financing divided by the Company's total stockholders' equity.

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At December 31, 2020:

	Single-Family		Multi- Family		Other		Total
Residential loans	$	3,049,166	$	—	$	—	$	3,049,166
Consolidated SLST CDOs	(1,054,335)		—		—		(1,054,335)
Multi-family loans	—		163,593		—		163,593
Investment securities available for sale (1)	495,061		186,440		43,225		724,726
Equity investments	—		182,765		76,330		259,095
Other investments (2)	—		9,434		—		9,434
Total investment portfolio carrying value	2,489,892		542,232		119,555		3,151,679
Liabilities:
Repurchase agreements	(405,531)		—		—		(405,531)
Collateralized debt obligations
Residential loan securitizations	(554,067)		—		—		(554,067)
Non-Agency RMBS re-securitization	(15,256)		—		—		(15,256)
Convertible notes	—		—		(135,327)		(135,327)
Subordinated debentures	—		—		(45,000)		(45,000)
Cash, cash equivalents and restricted cash (3)	50,687		45,563		207,789		304,039
Other	59,516		(6,078)		(52,773)		665
Net Company capital allocated	$	1,625,241	$	581,717	$	94,244	$	2,301,202
Total Leverage Ratio (4)							0.3
Portfolio Leverage Ratio (5)							0.2

(1)Agency RMBS with a fair value of $139.4 million are included in Single-Family.

(2)Represents the Company's preferred equity investment in a Consolidated VIE.

(3)Excludes cash amounting to $0.5 million held in the Company's preferred equity investment in Consolidated VIE. Restricted cash is included in the Company's accompanying condensed consolidated balance sheets in other assets.

(4)Represents total outstanding repurchase agreement financing, subordinated debentures and Convertible Notes divided by the Company's total stockholders' equity. Does not include Consolidated SLST CDOs amounting to $1.1 billion, residential loan securitizations amounting to $554.1 million, non-Agency RMBS re-securitization amounting to $15.3 million and mortgages payable on operating real estate amounting to $36.8 million as they are non-recourse debt for which the Company has no obligation.

(5)Represents outstanding repurchase agreement financing divided by the Company's total stockholders' equity.

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Analysis of Changes in Book Value

The following table analyzes the changes in book value of our common stock for the three and nine months ended September 30, 2021 (amounts in thousands, except per share data):

	Three Months Ended September 30, 2021					Nine Months Ended September 30, 2021
	Amount		Shares	Per Share (1)		Amount		Shares	Per Share (1)
Beginning Balance	$	1,799,339	379,372	$	4.74	$	1,779,380	377,744	$	4.71
Common stock issuance, net (2)	2,309		(86)			7,145		1,542
Preferred stock issuance, net	138,569					138,569
Preferred stock issuance liquidation preference	(143,750)					(143,750)
Preferred stock redemption charge	3,443					3,443
Balance after share activity	1,799,910		379,286	4.74		1,784,787		379,286	4.71
Redemption of non-controlling interest in Consolidated VIEs	3,420			0.01		3,420			0.01
Dividends and dividend equivalents declared	(38,017)			(0.10)		(114,204)			(0.30)
Net change in accumulated other comprehensive income:
Investment securities available for sale (3)	(5,408)			(0.01)		1,047			—
Net income attributable to Company's common stockholders	36,861			0.10		121,716			0.32
Ending Balance	$	1,796,766	379,286	$	4.74	$	1,796,766	379,286	$	4.74

(1)Outstanding shares used to calculate book value per common share for the three and nine months ended September 30, 2021 are 379,286,475.

(2)Includes amortization of stock based compensation.

(3)The net (decrease) increase relates to the reclassification of unrealized gains and losses to net income in relation to the sale of investment securities and net unrealized gains on our investment securities due to improved pricing.

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Results of Operations

The following discussion provides information regarding our results of operations for the three and nine months ended September 30, 2021 and 2020, including a comparison of year-over-year results and related commentary. A number of the tables contain a “change” column that indicates the amount by which results from the three and nine months ended September 30, 2021 are greater or less than the results from the respective period in 2020. Unless otherwise specified, references in this section to increases or decreases in the "three-month periods" refer to the change in results for the three months ended September 30, 2021 when compared to the three months ended September 30, 2020 and increases or decreases in the "nine-month periods" refer to the change in results for the nine months ended September 30, 2021 when compared to the nine months ended September 30, 2020.

The following table presents the main components of our net income (loss) for the three and nine months ended September 30, 2021 and 2020, respectively (dollar amounts in thousands, except per share data):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2021		2020		$ Change		2021		2020		$ Change
Net interest income	$	31,031	$	25,529	$	5,502	$	92,846	$	101,134	$	(8,288)
Total non-interest income (loss)	49,412		90,528		(41,116)		132,409		(427,060)		559,469
General and administrative expenses	12,458		10,159		2,299		36,419		32,570		3,849
Expenses related to operating real estate	8,549		—		8,549		15,386		—		15,386
Portfolio operating expenses	7,039		3,265		3,774		18,558		8,812		9,746
Income (loss) from operations before income taxes	52,397		102,633		(50,236)		154,892		(367,308)		522,200
Income tax expense (benefit)	1,215		(772)		1,987		1,296		917		379
Net income (loss) attributable to Company	51,576		101,641		(50,065)		157,024		(368,929)		525,953
Preferred stock dividends	11,272		10,297		975		31,865		30,890		975
Preferred stock redemption charge	3,443		—		3,443		3,443		—		3,443
Net income (loss) attributable to Company's common stockholders	36,861		91,344		(54,483)		121,716		(399,819)		521,535
Basic earnings (loss) per common share	$	0.10	$	0.24	$	(0.14)	$	0.32	$	(1.08)	$	1.40
Diluted earnings (loss) per common share	$	0.10	$	0.23	$	(0.13)	$	0.32	$	(1.08)	$	1.40

Net Interest Income

Our results of operations for our investment portfolio during a given period typically reflect, in large part, the net interest income earned on our investment portfolio of residential loans, RMBS, CMBS, ABS and preferred equity investments and mezzanine loans, where the risks and payment characteristics are equivalent to and accounted for as loans (collectively, our “Interest Earning Assets”). The net interest spread is impacted by factors such as our cost of financing, the interest rate that our investments bear and our interest rate hedging strategies. Furthermore, the amount of premium or discount paid on purchased portfolio investments and the prepayment rates on portfolio investments will impact the net interest spread as such factors will be amortized over the expected term of such investments.

During the three-month periods, our average interest earning assets increased primarily due to increased investment in higher-yielding business purpose loans, contributing to the $10.4 million increase in single-family interest income. This increase was partially offset by CMBS sales and multi-family loan redemptions, contributing to the $3.6 million decrease in multi-family interest income. In addition, interest expense increased by $1.9 million due to expense incurred during the period on the Senior Unsecured Notes issued in April 2021.

The decrease in net interest income during the nine-month periods was primarily driven by a $680.9 million decrease in average Interest Earning Assets due to asset sales in 2020, largely in response to the impacts of the COVID-19 pandemic during the first half of 2020 and opportunistic asset sales in 2021. In particular, we sold our entire portfolio of higher yielding first loss POs within the Consolidated K-Series in March 2020. The decrease in net interest income was partially offset by the acquisition of higher-yielding business purpose loans over the last twelve months.

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Portfolio net interest margin for the three-month period increased from the corresponding prior year period primarily due to continued investment in higher-yielding business purpose loans. The Company also lowered its average portfolio financing cost by issuing two new residential loan securitizations in 2021 and redeeming a previously issued residential loan securitization and a non-Agency RMBS re-securitization that had higher interest costs.

Portfolio net interest margin for the nine-month period increased from the corresponding prior year period primarily due to continued investment in higher-yielding business purpose loans offset by increased average borrowing cost associated with the non-mark-to-market financings (including securitizations) completed in 2020 and 2021 that replaced repurchase agreement financings that had lower interest costs.

Portfolio Net Interest Margin

The following tables set forth certain information about our portfolio by investment category and their related interest income, interest expense, average yield on interest earning assets, average portfolio financing cost and portfolio net interest margin for our average interest earning assets (by investment category) for the three and nine months ended September 30, 2021 and 2020, respectively (dollar amounts in thousands).

Three Months Ended September 30, 2021

	Single-Family (1) (3)			Multi- Family (2) (3)			Other (7)			Total
Interest Income (4)	$	39,144		$	4,247		$	1,816		$	45,207
Interest Expense	(8,163)			—			(6,013)			(14,176)
Net Interest Income (Expense)	$	30,981		$	4,247		$	(4,197)		$	31,031
Average Interest Earning Assets (3) (5)	$	2,608,604		$	195,431		$	26,468		$	2,830,503
Average Yield on Interest Earning Assets (6)	6.00		%	8.69		%	27.44		%	6.39		%
Average Portfolio Financing Cost (7)	(3.14)		%	—			—			(3.14)		%
Portfolio Net Interest Margin (8)	2.86		%	8.69		%	27.44		%	3.25		%

Three Months Ended September 30, 2020

	Single-Family (1) (3)			Multi- Family (2) (3)			Other (7)			Total
Interest Income (4)	$	28,747		$	7,846		$	1,203		$	37,796
Interest Expense	(9,025)			—			(3,242)			(12,267)
Net Interest Income (Expense)	$	19,722		$	7,846		$	(2,039)		$	25,529
Average Interest Earning Assets (3) (5)	$	2,279,813		$	417,102		$	41,540		$	2,738,455
Average Yield on Interest Earning Assets (6)	5.03		%	7.52		%	11.58		%	5.51		%
Average Portfolio Financing Cost (7)	(3.33)		%	—			—			(3.33)		%
Portfolio Net Interest Margin (8)	1.70		%	7.52		%	11.58		%	2.18		%

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Nine Months Ended September 30, 2021

	Single-Family (1) (3)			Multi- Family (2) (3)			Other (7)			Total
Interest Income (4)	$	111,858		$	16,133		$	5,186		$	133,177
Interest Expense	(25,955)			—			(14,376)			(40,331)
Net Interest Income (Expense)	$	85,903		$	16,133		$	(9,190)		$	92,846
Average Interest Earning Assets (3) (5)	$	2,549,489		$	264,889		$	29,591		$	2,843,969
Average Yield on Interest Earning Assets (6)	5.85		%	8.12		%	23.37		%	6.24		%
Average Portfolio Financing Cost (7)	(3.36)		%	—			—			(3.36)		%
Portfolio Net Interest Margin (8)	2.49		%	8.12		%	23.37		%	2.88		%

Nine Months Ended September 30, 2020

	Single-Family (1) (3)			Multi- Family (2) (3)			Other (7)			Total
Interest Income (4)	$	98,316		$	47,675		$	3,933		$	149,924
Interest Expense	(31,491)			(7,351)			(9,948)			(48,790)
Net Interest Income (Expense)	$	66,825		$	40,324		$	(6,015)		$	101,134
Average Interest Earning Assets (3) (5)	$	2,736,429		$	741,931		$	46,524		$	3,524,884
Average Yield on Interest Earning Assets (6)	4.79		%	8.57		%	11.27		%	5.66		%
Average Portfolio Financing Cost (7)	(2.98)		%	(3.18)		%	—			(3.02)		%
Portfolio Net Interest Margin (8)	1.81		%	5.39		%	11.27		%	2.64		%

(1)The Company has determined it is the primary beneficiary of Consolidated SLST and has consolidated Consolidated SLST into the Company's condensed consolidated financial statements. Interest income amounts represent interest income earned by securities that are actually owned by the Company. A reconciliation of net interest income generated by our single-family portfolio to our condensed consolidated financial statements for the three and nine months ended September 30, 2021 and 2020, respectively, is set forth below (dollar amounts in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Interest income, residential loans	$	31,488	$	19,808	$	89,204	$	59,882
Interest income, investment securities available for sale	4,527		5,605		12,983		28,147
Interest income, Consolidated SLST	10,245		10,896		31,042		34,542
Interest expense, Consolidated SLST CDOs	(7,116)		(7,562)		(21,371)		(24,255)
Interest income, Single-Family, net	39,144		28,747		111,858		98,316
Interest expense, repurchase agreements and derivatives	(3,110)		(5,341)		(10,884)		(26,970)
Interest expense, residential loan securitizations	(5,053)		(2,160)		(14,788)		(2,527)
Interest expense, non-Agency RMBS re-securitization	—		(1,524)		(283)		(1,994)
Net interest income, Single-Family	$	30,981	$	19,722	$	85,903	$	66,825

(2)Prior to the sale of first loss POs in March 2020, the Company had determined it was the primary beneficiary of the Consolidated K-Series and had consolidated the Consolidated K-Series into the Company’s condensed consolidated financial statements. Interest income amounts represent interest income earned by securities that were owned by the Company. A reconciliation of net interest income generated by our multi-family portfolio to our condensed consolidated financial statements for the three and nine months ended September 30, 2021 and 2020, respectively, is set forth below (dollar amounts in thousands):

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	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Interest income, multi-family loans held in Consolidated K-Series	$	—	$	—	$	—	$	151,841
Interest income, investment securities available for sale	798		2,546		4,153		9,721
Interest income, preferred equity and mezzanine loan investments	3,449		5,300		11,980		15,875
Interest expense, Consolidated K-Series CDOs	—		—		—		(129,762)
Interest income, Multi-Family, net	4,247		7,846		16,133		47,675
Interest expense, repurchase agreements	—		—		—		(7,351)
Net interest income, Multi-Family	$	4,247	$	7,846	$	16,133	$	40,324

(3)Average Interest Earning Assets for the periods indicated exclude all Consolidated SLST assets and all Consolidated K-Series assets (for the nine months ended September 30, 2020) other than, in each case, those securities owned by the Company.

(4)Includes interest income earned on cash accounts held by the Company.

(5)Average Interest Earning Assets is calculated based on daily average amortized cost for the respective periods.

(6)Average Yield on Interest Earning Assets is calculated by dividing our annualized interest income relating to our interest earning assets by our Average Interest Earning Assets for the respective periods.

(7)Average Portfolio Financing Cost is calculated by dividing our annualized interest expense relating to our interest earning assets by our average interest bearing liabilities, excluding our subordinated debentures, Convertible Notes, Senior Unsecured Notes and mortgages payable on operating real estate, for the respective periods. For the three and nine months ended September 30, 2021 and 2020, respectively, interest expense generated by our subordinated debentures, Convertible Notes, Senior Unsecured Notes and mortgages payable on operating real estate is set forth below (dollar amounts in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Subordinated debentures	$	458	$	483	$	1,374	$	1,714
Convertible notes	2,810		2,759		8,382		8,234
Senior unsecured notes	1,598		—		2,734		—
Mortgages payable on operating real estate	1,147		—		1,886		—
Total	$	6,013	$	3,242	$	14,376	$	9,948

(8)Portfolio Net Interest Margin is the difference between our Average Yield on Interest Earning Assets and our Average Portfolio Financing Cost, excluding the weighted average cost of subordinated debentures, Convertible Notes, Senior Unsecured Notes and mortgages payable on operating real estate.

Non-interest Income (Loss)

Realized Gains (Losses), Net

The following table presents the components of realized gains (losses), net recognized for the three and nine months ended September 30, 2021 and 2020, respectively (dollar amounts in thousands):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2021		2020		$ Change		2021		2020		$ Change
Residential loans	$	3,219	$	1,508	$	1,711	$	10,500	$	(15,467)	$	25,967
Investment securities and related hedges	5,095		(2,575)		7,670		9,861		(134,452)		144,313
Total realized gains (losses), net	$	8,314	$	(1,067)	$	9,381	$	20,361	$	(149,919)	$	170,280

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During the three months ended September 30, 2021, the Company recognized net realized gains related to our residential loan portfolio primarily as a result of loan prepayment activity during the quarter. The Company also recognized net realized gains of $5.0 million and $4.8 million on the sale of CMBS and non-Agency RMBS, respectively, offset by a write-down of $4.8 million recognized on the Company's investment in non-Agency RMBS IOs during the three months ended September 30, 2021. The net realized losses on investment securities recognized during the three months ended September 30, 2020 were largely driven by net realized losses on the sale of non-Agency RMBS and CMBS during the period.

During the nine months ended September 30, 2021, the Company recognized net realized gains of $10.6 million and $4.0 million on the sale of CMBS and non-Agency RMBS, respectively, offset by a write-down of $4.8 million recognized on the Company's investment in non-Agency RMBS IOs. The Company also recognized net realized gains on residential loans of $10.5 million during the nine months ended September 30, 2021, primarily as a result of loan prepayments.

The Company sold approximately $2.5 billion of assets during the nine months ended September 30, 2020, the majority of which was in response to the disruption of the financial markets caused by the COVID-19 pandemic during the first half of 2020. During the nine months ended September 30, 2020, the Company recognized net realized losses of $61.4 million on the sale of Agency RMBS, Agency CMBS, non-Agency RMBS and CMBS and realized losses of $73.1 million on the termination of interest rate swaps. The Company also sold residential loans during the nine months ended September 30, 2020 with an aggregate unpaid principal balance of $116.4 million that resulted in net realized losses of $18.2 million.

Realized Loss on De-consolidation of Consolidated K-Series

In March 2020, the Company sold its entire portfolio of first loss POs and certain mezzanine securities issued by the Consolidated K-Series. These sales, for total proceeds of approximately $555.2 million, resulted in the de-consolidation of each Consolidated K-Series as of the sale date of each first loss PO and a realized net loss on de-consolidation of Consolidated K-Series of $54.1 million for the nine months ended September 30, 2020. The sales also resulted in the de-consolidation of $17.4 billion in multi-family loans held in Consolidated K-Series and $16.6 billion in Consolidated K-Series CDOs.

Unrealized Gains (Losses), Net

Pricing for our investment portfolio improved during the three and nine months ended September 30, 2021 with credit spreads tightening on a majority of our assets. During the first quarter of 2020, the disruptions of the financial markets due to the COVID-19 pandemic caused credit spread widening, a sharp decrease in interest rates and unprecedented illiquidity in repurchase agreement financing and MBS markets. These conditions put significant downward pressure on the fair value of our assets and resulted in unrealized losses for the nine months ended September 30, 2020. The following table presents the components of unrealized gains (losses), net recognized for the three and nine months ended September 30, 2021 and 2020, respectively (dollar amounts in thousands):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2021		2020		$ Change		2021		2020		$ Change
Residential loans	$	20,074	$	35,726	$	(15,652)	$	44,651	$	(9,481)	$	54,132
Consolidated SLST	4,302		27,145		(22,843)		23,320		(34,893)		58,213
Consolidated K-Series	—		—		—		—		(171,011)		171,011
Preferred equity and mezzanine loan investments	392		(866)		1,258		688		(6,629)		7,317
Investment securities and related hedges	5,370		19,193		(13,823)		11,498		9,303		2,195
Total unrealized gains (losses), net	$	30,138	$	81,198	$	(51,060)	$	80,157	$	(212,711)	$	292,868

The Company recognized $30.1 million and $80.2 million in net unrealized gains for the three and nine months ended September 30, 2021, respectively, primarily due to improved pricing on our credit assets, particularly our residential loans, investment in Consolidated SLST and our non-Agency RMBS. In addition, the net unrealized gains on our investment securities for the three and nine months ended September 30, 2021 included a reversal of previously recognized unrealized losses amounting to $4.8 million on non-Agency RMBS IOs that were written down during the quarter.

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The Company recognized $81.2 million in net unrealized gains and $212.7 million in net unrealized losses during the three and nine months ended September 30, 2020, respectively. Pricing for our investment portfolio rebounded during the second and third quarters of 2020 with credit spreads tightening on a majority of our assets, which resulted in a partial reversal of unrealized losses recognized in the first quarter of 2020. Included in unrealized losses on both investment securities and related hedges and the Consolidated K-Series are $135.3 million of net unrealized gain reversals due to sales and interest rate swap terminations recognized during the nine months ended September 30, 2020.

Income from Equity Investments

The following table presents the components of income from equity investments for the three and nine months ended September 30, 2021 and 2020, respectively (dollar amounts in thousands):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2021		2020		$ Change		2021		2020		$ Change
Preferred return on preferred equity investments accounted for as equity	$	6,172	$	4,295	$	1,877	$	17,078	$	11,416	$	5,662
Unrealized (losses) gains, net on preferred equity investments accounted for as equity	(294)		7		(301)		634		(4,052)		4,686
Income (loss) from unconsolidated joint venture equity investments in multi-family properties	—		122		(122)		—		(949)		949
Income from entities that invest in residential properties and loans	2,137		5,542		(3,405)		4,309		8,158		(3,849)
Total income from equity investments	$	8,015	$	9,966	$	(1,951)	$	22,021	$	14,573	$	7,448

Income from equity investments decreased during the three-month periods, primarily due to the redemption of a residential equity investment during the second quarter of 2021, which was partially offset by an increase in preferred return on preferred equity investments due to additional investments made since September 30, 2020.

Income from equity investments increased during the nine-month periods, primarily due to an increase in preferred return on preferred equity investments due to additional investments made since September 30, 2020 and net unrealized gains on preferred equity investments due to improved valuations, which were partially offset by the redemption of a residential equity investment during the second quarter of 2021.

Impairment of Goodwill

In March 2020, the Company sold its entire portfolio of first loss POs issued by the Consolidated K-Series, certain senior and mezzanine securities issued by the Consolidated K-Series, Agency CMBS and CMBS that were held by its multi-family investment reporting unit. As a result of the sales, the Company re-evaluated its goodwill balance associated with the multi-family investment reporting unit for impairment. This analysis yielded an impairment of the entire goodwill balance of $25.2 million for the nine months ended September 30, 2020.

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Other (Loss) Income

The following table presents the components of other (loss) income for the three and nine months ended September 30, 2021 and 2020, respectively (dollar amounts in thousands):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2021		2020		$ Change		2021		2020		$ Change
Loss on extinguishment of collateralized debt obligations	$	(1,583)	$	—	$	(1,583)	$	(1,583)	$	—	$	(1,583)
Preferred equity and mezzanine loan premiums resulting from early redemption (1)	117		463		(346)		2,147		518		1,629
Operating loss in Consolidated VIEs (2)	—		(159)		159		—		(2,280)		2,280
Miscellaneous income	431		127		304		1,680		2,099		(419)
Total other (loss) income	$	(1,035)	$	431	$	(1,466)	$	2,244	$	337	$	1,907

(1)Includes premiums resulting from early redemptions of preferred equity and mezzanine loan investments accounted for as loans.

(2)Operating loss in Consolidated VIEs excludes income or loss from the Consolidated K-Series and Consolidated SLST.

The net decrease in other income in the three-month periods is primarily due to the loss recognized on the redemption of a residential loan securitization during the third quarter of 2021 related to unamortized debt issuance costs remaining at the time of redemption.

The net increase in other income in the nine-month periods is primarily due to premiums recognized on the early redemption of preferred equity and mezzanine loan investments during the nine months ended September 30, 2021.

Net Loss from Operating Real Estate

The following table presents the components of net loss from operating real estate for the three and nine months ended September 30, 2021 and 2020, respectively (dollar amounts in thousands):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2021		2020		$ Change		2021		2020		$ Change
Income from operating real estate	$	3,980	$	—	$	3,980	$	7,626	$	—	$	7,626
Interest expense, mortgages payable on operating real estate (1)	(1,147)		—		(1,147)		(1,886)		—		(1,886)
Expenses related to operating real estate	(8,549)		—		(8,549)		(15,386)		—		(15,386)
Net loss from operating real estate	$	(5,716)	$	—	$	(5,716)	$	(9,646)	$	—	$	(9,646)
Net loss attributable to non-controlling interest	394		—		394		3,428		—		3,428
Net loss from operating real estate attributable to Company	$	(5,322)	$	—	$	(5,322)	$	(6,218)	$	—	$	(6,218)

(1)Included in interest expense in the Company's condensed consolidated statements of operations.

Net loss from operating real estate in both the three- and nine-month periods is primarily related to consolidated joint venture multi-family investments made during the nine months ended September 30, 2021 as well as a a multi-family apartment community consolidated during the fourth quarter of 2020. A significant portion of the net loss in 2021 is attributable to depreciation expense and amortization of lease intangibles related to the operating real estate. The Company recognized depreciation and amortization expenses totaling $5.7 million and $10.0 million during the three and nine months ended September 30, 2021, respectively.

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Expenses

The following tables present the components of general, administrative and portfolio operating expenses for the three and nine months ended September 30, 2021 and 2020, respectively (dollar amounts in thousands):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2021		2020		$ Change		2021		2020		$ Change
General and Administrative Expenses
Salaries, benefits and directors’ compensation	$	8,612	$	7,247	$	1,365	$	27,204	$	23,018	$	4,186
Professional fees	858		1,176		(318)		2,465		4,113		(1,648)
Other	2,988		1,736		1,252		6,750		5,439		1,311
Total general and administrative expenses	$	12,458	$	10,159	$	2,299	$	36,419	$	32,570	$	3,849

The increase in general and administrative expenses during both the three- and nine-month periods is primarily due to an increase in stock-based compensation expense related to 2021 equity awards, an increase in incentive expense related to improved performance in 2021 and additional state capital tax accruals during the three- and nine-month periods. The increase was partially offset by a decrease in professional fees, as the Company incurred additional legal expenses in 2020 in connection with the disruptions in the financial markets.

	Three Months Ended September 30,			Nine Months Ended September 30,
	2021	2020	$ Change	2021	2020	$ Change
Portfolio operating expenses	7,039	3,265	3,774	18,558	8,812	9,746

The increase in portfolio operating expenses during both the three- and nine-month periods can be attributed primarily to increased servicing fees related to business purpose loans as a result of increased investment activity in those assets since September 30, 2020.

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Comprehensive Income (Loss)

The main components of comprehensive income (loss) for the three and nine months ended September 30, 2021 and 2020, respectively, are detailed in the following table (dollar amounts in thousands):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2021		2020		$ Change		2021		2020		$ Change
NET INCOME (LOSS) ATTRIBUTABLE TO COMPANY'S COMMON STOCKHOLDERS	$	36,861	$	91,344	$	(54,483)	$	121,716	$	(399,819)	$	521,535
OTHER COMPREHENSIVE (LOSS) INCOME
Increase (decrease) in fair value of available for sale securities
Non-Agency RMBS	621		11,161		(10,540)		5,341		(34,946)		40,287
CMBS	16		1,484		(1,468)		(279)		(9,462)		9,183
Total	637		12,645		(12,008)		5,062		(44,408)		49,470
Reclassification adjustment for net (gain) loss included in net income (loss)	(6,045)		9,845		(15,890)		(4,015)		7,338		(11,353)
TOTAL OTHER COMPREHENSIVE (LOSS) INCOME	(5,408)		22,490		(27,898)		1,047		(37,070)		38,117
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO COMPANY'S COMMON STOCKHOLDERS	$	31,453	$	113,834	$	(82,381)	$	122,763	$	(436,889)	$	559,652

The changes in other comprehensive income ("OCI") for the three-month periods can be attributed primarily to the reclassification of previously recognized net unrealized gains reported in OCI to net realized gains as a result of the sale of certain investment securities during the three months ended September 30, 2021. The changes are also attributable to increases in the fair value of our investment securities where fair value option was not elected during the three months ended September 30, 2020 as a result of continued spread tightening in the third quarter of 2020 from levels that had significantly widened from the impact of the COVID-19 pandemic in the first quarter of 2020.

The changes in OCI for the nine-month periods can be attributed primarily to a significant decrease in the fair value of our investment securities where fair value option was not elected as a result of significant spread widening during the first quarter of 2020 due to the market turmoil caused by the COVID-19 pandemic. During nine months ended September 30, 2021, the net fair value of our investment securities where fair value option was not elected increased as a result of general spread tightening during the period. Additionally, previously recognized net unrealized gains reported in OCI were reclassified to net realized gains in relation to the sale of certain investment securities during the nine months ended September 30, 2021.

Beginning in the fourth quarter of 2019, the Company’s newly purchased investment securities are presented at fair value as a result of a fair value election made at the time of acquisition pursuant to ASC 825, Financial Instruments (“ASC 825”). The fair value option was elected for these investment securities to provide stockholders and others who rely on our financial statements with a more complete and accurate understanding of our economic performance. Changes in the market values of investment securities where the Company elected the fair value option are reflected in earnings instead of in OCI. As of September 30, 2021, the majority of the Company's investment securities are accounted for using the fair value option.

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Balance Sheet Analysis

As of September 30, 2021, we had approximately $4.9 billion of total assets. Included in this amount is approximately $1.1 billion of assets held in Consolidated SLST, which we consolidate in accordance with GAAP. As of December 31, 2020, we had approximately $4.7 billion of total assets, $1.3 billion of which represented Consolidated SLST assets that we consolidate in accordance with GAAP. For a reconciliation of our actual interests in the Consolidated SLST to our financial statements, see “Capital Allocation” and “Portfolio Net Interest Margin” above.

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Residential Loans

The following table presents the Company’s residential loans, which include acquired residential loans held by the Company and residential loans held in Consolidated SLST, as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	September 30, 2021		December 31, 2020
Acquired residential loans	$	2,136,802	$	1,782,381
Consolidated SLST	1,137,005		1,266,785
Total	$	3,273,807	$	3,049,166

Acquired Residential Loans

The Company’s acquired residential loans, including performing, re-performing, and non-performing residential loans and business purpose loans, are presented at fair value on our condensed consolidated balance sheets. Subsequent changes in fair value are reported in current period earnings and presented in unrealized gains (losses), net on the Company’s condensed consolidated statements of operations.

The following tables detail our acquired residential loans by strategy at September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	September 30, 2021
	Number of Loans	Unpaid Principal		Fair Value		Weighted Average FICO	Weighted Average LTV (1)	Weighted Average Coupon
Re-performing residential loan strategy	5,851	$	806,867	$	850,733	628	65%	4.9%
Business purpose loan strategy	1,780	753,704		753,279		722	65%	9.0%
Performing residential loan strategy	2,737	539,452		532,790		719	65%	4.2%
Total	10,368	$	2,100,023	$	2,136,802

	December 31, 2020
	Number of Loans	Unpaid Principal		Fair Value		Weighted Average FICO	Weighted Average LTV (1)	Weighted Average Coupon
Re-performing residential loan strategy	6,453	$	945,625	$	945,038	620	74%	4.9%
Business purpose loan strategy	980	371,562		371,360		719	82%	9.7%
Performing residential loan strategy	2,472	476,884		465,983		706	73%	4.8%
Total	9,905	$	1,794,071	$	1,782,381

(1)For second mortgages (included in performing residential loan strategy), the Company calculates the combined LTV. For business purpose loans, the Company calculates as the ratio of the maximum unpaid principal balance of the loan, including unfunded commitments, to the estimated “after repaired” value of the collateral securing the related loan.

Characteristics of Our Acquired Residential Loans:

Loan to Value at Purchase (1)	September 30, 2021		December 31, 2020
50% or less	12.7	%	13.9	%
>50% - 60%	12.1	%	12.2	%
>60% - 70%	28.2	%	23.4	%
>70% - 80%	24.0	%	21.0	%
>80% - 90%	9.4	%	11.9	%
>90% - 100%	7.0	%	8.7	%
>100%	6.6	%	8.9	%
Total	100.0	%	100.0	%

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(1)For second mortgages, the Company calculates the combined LTV. For business purpose loans, the Company calculates as the ratio of the maximum unpaid principal balance of the loan, including unfunded commitments, to the estimated “after repaired” value of the collateral securing the related loan.

FICO Scores at Purchase	September 30, 2021		December 31, 2020
550 or less	14.0	%	18.9	%
551 to 600	12.2	%	16.7	%
601 to 650	13.1	%	15.4	%
651 to 700	16.7	%	16.0	%
701 to 750	19.9	%	15.9	%
751 to 800	18.8	%	13.0	%
801 and over	5.3	%	4.1	%
Total	100.0	%	100.0	%

Current Coupon	September 30, 2021		December 31, 2020
3.00% or less	9.7	%	6.2	%
3.01% - 4.00%	15.4	%	18.8	%
4.01% - 5.00%	21.7	%	29.6	%
5.01% - 6.00%	8.2	%	11.7	%
6.01% - 7.00%	6.2	%	6.4	%
7.01% - 8.00%	9.4	%	4.8	%
8.01% and over	29.4	%	22.5	%
Total	100.0	%	100.0	%

Delinquency Status	September 30, 2021		December 31, 2020
Current	91.0	%	85.0	%
31 – 60 days	2.6	%	3.6	%
61 – 90 days	0.9	%	1.9	%
90+ days	5.5	%	9.5	%
Total	100.0	%	100.0	%

Origination Year	September 30, 2021		December 31, 2020
2007 or earlier	34.5	%	47.1	%
2008 - 2016	6.8	%	9.3	%
2017	2.5	%	3.8	%
2018	4.9	%	8.0	%
2019	7.9	%	13.4	%
2020	21.0	%	18.4	%
2021	22.4	%	—
Total	100.0	%	100.0	%

Consolidated SLST

The Company owns first loss subordinated securities and certain IOs issued by a Freddie Mac-sponsored residential loan securitization. In accordance with GAAP, the Company has consolidated the underlying seasoned re-performing and non-performing residential loans of the securitization and the CDOs issued to permanently finance these residential loans, representing Consolidated SLST.

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We do not have any claims to the assets or obligations for the liabilities of Consolidated SLST (other than those securities owned by the Company). Our investment in Consolidated SLST as of September 30, 2021 and December 31, 2020 was limited to the RMBS comprised of first loss subordinated securities and IOs issued by the securitization with an aggregate net carrying value of $231.1 million and $212.1 million, respectively. For more information on investment securities held by the Company within Consolidated SLST, refer to "Investment Securities" section below.

The following table details the loan characteristics of the underlying residential loans that back our first loss subordinated securities issued by Consolidated SLST as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands, except current average loan size):

	September 30, 2021			December 31, 2020
Current fair value	$	1,137,005		$	1,266,785
Current unpaid principal balance	$	1,118,001		$	1,231,669
Number of loans	7,053			7,645
Current average loan size	$	158,514		$	188,532
Weighted average original loan term (in months) at purchase	351			351
Weighted average LTV at purchase	67		%	67		%
Weighted average credit score at purchase	707			705
Current Coupon:
3.00% or less	2.8		%	2.9		%
3.01% – 4.00%	37.0		%	36.4		%
4.01% – 5.00%	40.0		%	40.2		%
5.01% – 6.00%	12.1		%	12.3		%
6.01% and over	8.1		%	8.2		%
Delinquency Status:
Current	72.2		%	63.3		%
31 - 60	10.7		%	12.4		%
61 - 90	3.9		%	5.1		%
90+	13.2		%	19.2		%
Origination Year:
2005 or earlier	31.0		%	30.9		%
2006	15.4		%	15.4		%
2007	21.2		%	20.8		%
2008 or later	32.4		%	32.9		%
Geographic state concentration (greater than 5.0%):
California	10.8		%	10.9		%
Florida	10.6		%	10.5		%
New York	9.5		%	9.3		%
New Jersey	7.2		%	7.1		%
Illinois	6.9		%	6.8		%

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Residential Loans Financing

Repurchase Agreements

As of September 30, 2021, the Company had repurchase agreements with three third-party financial institutions to fund the purchase of residential loans. The following table presents detailed information about these repurchase agreements and associated assets pledged as collateral at September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	Maximum Aggregate Uncommitted Principal Amount		Outstanding Repurchase Agreements (1)		Net Deferred Finance Costs (2)		Carrying Value of Repurchase Agreements		Fair Value of Loans Pledged		Weighted Average Rate		Weighted Average Months to Maturity (3)
September 30, 2021	$	1,257,003	$	335,434	$	(878)	$	334,556	$	492,860	2.82	%	3.24
December 31, 2020	$	1,301,389	$	407,213	$	(1,682)	$	405,531	$	575,380	2.92	%	11.92

(1)Includes a non-mark-to-market repurchase agreement with an outstanding balance of $16.6 million, a rate of 4.00%, and maturity of 5.03 months as of September 30, 2021. Includes non-mark-to-market repurchase agreements with an outstanding balance of $49.8 million, weighted average rate of 4.00%, and weighted average maturity of 8.80 months as of December 31, 2020.

(2)Costs related to the repurchase agreements which include commitment, underwriting, legal, accounting and other fees are reflected as deferred charges. Such costs are presented as a deduction from the corresponding debt liability on the Company’s accompanying condensed consolidated balance sheets and are amortized as an adjustment to interest expense using the effective interest method, or straight line-method, if the result is not materially different.

(3)The Company expects to roll outstanding amounts under these repurchase agreements into new repurchase agreements or other financings, or to repay outstanding amounts, prior to or at maturity.

The following table details the quarterly average balance, ending balance and maximum balance at any month-end during each quarter in 2021, 2020 and 2019 for our repurchase agreements secured by residential loans (dollar amounts in thousands):

Quarter Ended	Quarterly Average Balance		End of Quarter Balance		Maximum Balance at any Month-End
September 30, 2021	$	337,295	$	335,434	$	345,620
June 30, 2021	401,466		341,791		506,750
March 31, 2021	441,006		538,632		538,632
December 31, 2020	415,625		407,213		425,903
September 30, 2020	651,384		673,787		673,787
June 30, 2020	892,422		876,923		905,776
March 31, 2020	731,245		715,436		744,522
December 31, 2019	764,511		754,132		774,666
September 30, 2019	745,972		736,348		755,299
June 30, 2019	705,817		761,361		761,361
March 31, 2019	595,897		619,605		619,605

Collateralized Debt Obligations

Included in our portfolio are residential loans that are pledged as collateral for CDOs issued by the Company or by Consolidated SLST. The Company had a net investment in Consolidated SLST and other residential loan securitizations of $232.7 million and $128.3 million, respectively, as of September 30, 2021.

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The following table summarizes Consolidated SLST CDOs and CDOs issued by the Company's residential loan securitizations as of September 30, 2021 (dollar amounts in thousands):

	Outstanding Face Amount		Carrying Value		Weighted Average Interest Rate (1)		Stated Maturity (2)
Consolidated SLST (3)	$	861,184	$	904,976	2.75	%	2059
Residential loan securitizations	$	714,058	$	710,102	2.42	%	2026 - 2061

(1)Weighted average interest rate is calculated using the outstanding face amount and stated interest rate of notes issued by the securitization and not owned by the Company.

(2)The actual maturity of the Company's CDOs are primarily determined by the rate of principal prepayments on the assets of the issuing entity. The CDOs are also subject to redemption prior to the stated maturity according to the terms of the respective governing documents. As a result, the actual maturity of the CDOs may occur earlier than the stated maturity.

(3)The Company has elected the fair value option for CDOs issued by Consolidated SLST.

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Mezzanine Lending

The Company's mezzanine lending strategy includes preferred equity in, and mezzanine loans to, entities that have multi-family real estate assets (referred to in this section as “Preferred Equity and Mezzanine Loans”). A preferred equity investment is an equity investment in the entity that owns the underlying property and mezzanine loans are secured by a pledge of the borrower’s equity ownership in the property. We evaluate our Preferred Equity and Mezzanine Loans for accounting treatment as loans versus equity investments. Preferred Equity and Mezzanine Loans for which the characteristics, facts and circumstances indicate that loan accounting treatment is appropriate are included in multi-family loans on our condensed consolidated balance sheets. Preferred Equity and Mezzanine Loans where the risks and payment characteristics are equivalent to an equity investment are accounted for using the equity method of accounting and are included in equity investments on our condensed consolidated balance sheets.

As of September 30, 2021, one preferred equity investment was greater than 90 days delinquent. This investment represents 1.1% of the total fair value of our Preferred Equity and Mezzanine Loans.

The following tables summarize our Preferred Equity and Mezzanine Loans as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	September 30, 2021
	Count	Fair Value (1) (2)		Investment Amount (2)		Weighted Average Interest or Preferred Return Rate (3)		Weighted Average Remaining Life (Years)
Preferred equity investments	40	$	347,447	$	345,484	11.58	%	5.5

	December 31, 2020
	Count	Fair Value (1) (2)		Investment Amount (2)		Weighted Average Interest or Preferred Return Rate (3)		Weighted Average Remaining Life (Years)
Preferred equity investments	45	$	341,266	$	340,871	11.53	%	6.4
Mezzanine loans	1	5,092		5,031		11.50	%	31.3
Preferred equity investment in Consolidated VIE (4)	1	9,434		9,939		11.77	%	7.2
Total	47	$	355,792	$	355,841	11.54	%	6.7

(1)Preferred equity and mezzanine loan investments in the amounts of $119.8 million and $163.6 million are included in multi-family loans on the accompanying condensed consolidated balance sheets as of September 30, 2021 and December 31, 2020, respectively. Preferred equity investments in the amounts of $227.6 million and $182.8 million are included in equity investments on the accompanying condensed consolidated balance sheets as of September 30, 2021 and December 31, 2020, respectively.

(2)The difference between the fair value and investment amount consists of any unamortized premium or discount, deferred fees or deferred expenses, and any unrealized gain or loss.

(3)Based upon investment amount and contractual interest or preferred return rate.

(4)Represents the Company's preferred equity investment in a Consolidated VIE that owns a multi-family apartment community. During the three months ended September 30, 2021, the Company reconsidered its evaluation of its investment in the entity and determined that the entity no longer met the criteria for being characterized as a VIE and is a wholly-owned subsidiary of the Company as of September 30, 2021 (see "Balance Sheet Analysis—Equity Investments in Multi-Family and Residential Entities—Equity Investments in Consolidated Multi-family Apartment Communities"). A reconciliation of our preferred equity investment in the Consolidated VIE to our condensed consolidated financial statements as of December 31, 2020 is shown below (dollar amounts in thousands):

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Cash and cash equivalents	$	452
Operating real estate, net	50,532
Lease intangible, net (a)	1,388
Other assets	1,611
Total assets	$	53,983
Mortgage payable on operating real estate, net	$	36,752
Other liabilities	1,426
Total liabilities	38,178
Non-controlling interest in Consolidated VIE	6,371
Preferred equity investment in Consolidated VIE	$	9,434

(a)Included in other assets in the accompanying condensed consolidated balance sheets.

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Preferred Equity and Mezzanine Loans Characteristics:

	September 30, 2021
State (Top 10)	Count	Investment Amount		% Total		Weighted Average Coupon		Weighted Average LTV		Weighted Average DSCR (1)
Texas	13	$	114,371	33.1	%	11.4	%	81	%	1.61x
Florida	5	60,107		17.4	%	11.7	%	71	%	2.05x
Alabama	3	38,411		11.1	%	12.2	%	72	%	2.29x
Ohio	3	28,170		8.2	%	11.6	%	88	%	1.80x
Tennessee	2	20,365		5.9	%	11.1	%	90	%	2.11x
North Carolina	3	18,943		5.5	%	12.0	%	74	%	1.45x
South Carolina	3	16,637		4.8	%	11.5	%	85	%	1.97x
Kentucky	1	12,756		3.7	%	11.3	%	88	%	0.77x
Georgia	1	8,627		2.5	%	11.0	%	85	%	1.35x
Other	6	27,097		7.8	%	11.7	%	82	%	1.65x
Total	40	$	345,484	100.0	%	11.6	%	80	%	1.74x

	December 31, 2020
State (Top 10)	Count	Investment Amount		% Total		Weighted Average Coupon		Weighted Average LTV		Weighted Average DSCR (1)
Texas	12	$	107,312	30.2	%	11.4	%	79	%	1.34x
Alabama	5	46,929		13.2	%	12.0	%	75	%	1.88x
Florida	4	33,795		9.5	%	11.4	%	81	%	1.30x
Ohio	3	27,316		7.7	%	11.6	%	88	%	1.47x
Tennessee	3	23,356		6.6	%	11.2	%	89	%	1.63x
North Carolina	3	18,199		5.1	%	12.0	%	74	%	1.28x
Georgia	2	16,575		4.7	%	11.0	%	82	%	1.32x
South Carolina	3	16,062		4.5	%	11.5	%	85	%	1.59x
Virginia	2	8,202		2.3	%	12.0	%	86	%	1.47x
Other	10	58,095		16.2	%	11.6	%	84	%	1.35x
Total	47	$	355,841	100.0	%	11.5	%	81	%	1.45x

(1)Represents the weighted average debt service coverage ratio ("DSCR") of the underlying properties.

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Investment Securities

At September 30, 2021, our investment securities portfolio included Agency RMBS, non-Agency RMBS, CMBS and ABS, which are classified as investment securities available for sale. Our investment securities also include first loss subordinated securities and certain IOs issued by Consolidated SLST. At September 30, 2021, we had no investment securities in a single issuer or entity that had an aggregate book value in excess of 5% of our total assets. The decrease in the carrying value of our investment securities as of September 30, 2021 as compared to December 31, 2020 is primarily due to sales and paydowns of non-Agency RMBS and CMBS partially offset by an increase in the fair value of a number of our investment securities during the period.

The following tables summarize our investment securities portfolio as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	September 30, 2021
					Unrealized						Weighted Average
Investment Securities	Current Par Value		Amortized Cost		Gains		Losses		Fair Value		Coupon (1)		Yield (2)
Available for Sale (“AFS”)
Agency RMBS
Agency Fixed-Rate	$	124,428	$	129,198	$	—	$	(3,609)	$	125,589	2.00	%	1.38	%
Total Agency RMBS	124,428		129,198		—		(3,609)		125,589		2.00	%	1.38	%
Non-Agency RMBS
Senior	34,064		34,072		—		(15)		34,057		4.59	%	4.59	%
Mezzanine	90,296		89,169		2,482		(65)		91,586		5.52	%	5.12	%
Subordinated	86,691		78,289		829		(2,778)		76,340		4.23	%	5.66	%
IO	697,303		22,735		339		(281)		22,793		0.78	%	9.96	%
Total Non-Agency RMBS	908,354		224,265		3,650		(3,139)		224,776		2.12	%	5.51	%
CMBS
Mezzanine	49,469		49,469		594		(365)		49,698		3.75	%	3.75	%
Subordinated	6,000		6,000		545		—		6,545		7.66	%	7.66	%
Total CMBS	55,469		55,469		1,139		(365)		56,243		4.17	%	4.17	%
ABS
Residuals	117		24,343		17,142		—		41,485		—		23.33	%
Total ABS	117		24,343		17,142		—		41,485		—		23.33	%
Total - AFS	$	1,088,368	$	433,275	$	21,931	$	(7,113)	$	448,093	5.16	%	5.26	%
Consolidated SLST
Non-Agency RMBS
Subordinated	$	256,807	$	212,543	$	843	$	—	$	213,386	4.59	%	4.86	%
IO	184,539		27,443		—		(9,681)		17,762		3.50	%	8.69	%
Total Non-Agency RMBS	441,346		239,986		843		(9,681)		231,148		4.12	%	5.32	%
Total - Consolidated SLST	$	441,346	$	239,986	$	843	$	(9,681)	$	231,148	4.12	%	5.32	%
Total Investment Securities	$	1,529,714	$	673,261	$	22,774	$	(16,794)	$	679,241	4.78	%	5.28	%

(1)Our weighted average coupon was calculated by dividing our annualized coupon income by our weighted average current par value for the respective periods.

(2)Our weighted average yield was calculated by dividing our annualized interest income by our weighted average amortized cost for the respective periods.

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	December 31, 2020
					Unrealized						Weighted Average
Investment Securities	Current Par Value		Amortized Cost		Gains		Losses		Fair Value		Coupon (1)		Yield (2)
Available for Sale (“AFS”)
Agency RMBS
Agency Fixed-Rate	$	133,231	$	138,541	$	854	$	—	$	139,395	2.00	%	1.38	%
Total Agency RMBS	133,231		138,541		854		—		139,395		2.00	%	1.38	%
Non-Agency RMBS
Senior	104,192		104,457		4		(1,822)		102,639		4.13	%	4.27	%
Mezzanine	191,389		188,691		4,332		(5,049)		187,974		4.19	%	4.80	%
Subordinated	48,198		48,196		170		—		48,366		4.63	%	5.33	%
IO	472,049		25,976		—		(9,289)		16,687		0.44	%	5.91	%
Total Non-Agency RMBS	815,828		367,320		4,506		(16,160)		355,666		1.83	%	4.74	%
CMBS
Mezzanine	106,153		101,221		5,440		(2,276)		104,385		4.24	%	4.73	%
Subordinated	6,000		6,000		—		(1,080)		4,920		8.00	%	8.00	%
IO	12,245,039		75,233		2,277		(375)		77,135		0.10	%	4.53	%
Total CMBS	12,357,192		182,454		7,717		(3,731)		186,440		0.14	%	4.73	%
ABS
Residuals	113		34,139		9,086		—		43,225		—		12.93	%
Total ABS	113		34,139		9,086		—		43,225		—		12.93	%
Total - AFS	$	13,306,364	$	722,454	$	22,163	$	(19,891)	$	724,726	0.48	%	5.35	%
Consolidated SLST
Non-Agency RMBS
Subordinated	$	256,651	$	213,593	$	—	$	(29,556)	$	184,037	4.66	%	4.92	%
IO	208,932		30,708		—		(2,601)		28,107		3.50	%	8.38	%
Total Non-Agency RMBS	465,583		244,301		—		(32,157)		212,144		4.13	%	5.38	%
Total - Consolidated SLST	$	465,583	$	244,301	$	—	$	(32,157)	$	212,144	4.13	%	5.38	%
Total Investment Securities	$	13,771,947	$	966,755	$	22,163	$	(52,048)	$	936,870	0.55	%	5.35	%

(1)Our weighted average coupon was calculated by dividing our annualized coupon income by our weighted average current par value for the respective periods.

(2)Our weighted average yield was calculated by dividing our annualized interest income by our weighted average amortized cost for the respective periods.

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Investment Securities Financing

Repurchase Agreements

In March 2020, in reaction to the market turmoil related to the COVID-19 pandemic, our investment securities repurchase agreement providers dramatically changed their risk tolerances, including reducing or eliminating availability to add or roll maturing repurchase agreements, increasing haircuts and reducing security valuations. In turn, this led to significant disruptions in our financing markets, negatively impacting the Company as well as the mortgage REIT industry, generally. In response, the Company completely eliminated its securities repurchase agreement exposure in 2020. The Company will continue to evaluate the securities repurchase agreement market before increasing its exposure in the future.

The Company has historically financed its investment securities primarily through repurchase agreements with third-party financial institutions. These repurchase agreements are short-term financings that bear interest rates typically based on a spread to LIBOR and are secured by the investment securities which they finance. Upon entering into a financing transaction, our counterparties negotiate a “haircut”, which is the difference expressed in percentage terms between the fair value of the collateral and the amount the counterparty will advance to us. The size of the haircut represents the counterparty’s perceived risk associated with holding the investment securities as collateral. The haircut provides counterparties with a cushion for daily market value movements that reduce the need for margin calls or margins to be returned as normal daily changes in investment security market values occur.

The following table details the quarterly average balance, ending balance and maximum balance at any month-end during each quarter in 2021, 2020 and 2019 for our repurchase agreements secured by investment securities (dollar amounts in thousands):

Quarter Ended	Quarterly Average Balance		End of Quarter Balance		Maximum Balance at any Month-End
September 30, 2021	$	—	$	—	$	—
June 30, 2021	—		—		—
March 31, 2021	—		—		—
December 31, 2020	—		—		—
September 30, 2020	29,190		—		87,571
June 30, 2020	108,529		87,571		150,445
March 31, 2020	1,694,933		713,364		2,237,399
December 31, 2019	2,212,335		2,352,102		2,352,102
September 30, 2019	1,776,741		1,823,910		1,823,910
June 30, 2019	1,749,293		1,843,815		1,843,815
March 31, 2019	1,604,421		1,654,439		1,654,439

Non-Agency RMBS Re-Securitization

In June 2020, the Company completed a re-securitization of certain non-Agency RMBS primarily for the purpose of obtaining non-recourse, longer-term financing on a portion of its non-Agency RMBS portfolio. In February 2021, the Company exercised its right to an optional redemption of its non-Agency RMBS re-securitization with an outstanding principal balance of $14.7 million at the time of redemption, returning the non-Agency RMBS held by the re-securitization trust to the Company.

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Equity Investments in Multi-Family and Residential Entities

Equity Investments in Consolidated Multi-family Apartment Communities

The Company has invested in five joint venture investments that own multi-family apartment communities. The Company determined that these joint venture entities are VIEs and that the Company is the primary beneficiary, resulting in consolidation of the VIEs, including their assets, liabilities, income and expenses, in our financial statements in accordance with GAAP. We receive variable distributions from these investments on a pro rata basis and management fees based upon property performance. We also will participate in allocation of excess cash upon sale of the multi-family real estate assets. The Company's net equity in these entities totaled $58.7 million as of September 30, 2021.

The Company held a preferred equity interest in a VIE that owns a multi-family apartment community for which the Company was the primary beneficiary. During the three months ended September 30, 2021, the VIE redeemed its non-controlling interest and the Company reconsidered its evaluation of its investment in the entity. The Company determined that the entity no longer met the criteria for being characterized as a VIE and is a wholly-owned subsidiary of the Company. The Company's net equity in this entity totaled $14.6 million as of September 30, 2021.

The following table summarizes our net equity investments in consolidated multi-family apartment communities as of September 30, 2021 (dollar amounts in thousands):

State	Property Count	Ownership Interest	Net Equity Investment
Florida	3	90% - 100%	$	41,156
Alabama	1	95%	16,100
Texas	2	95%	16,079
Total	6		$	73,335

A reconciliation of our net equity investments in consolidated multi-family apartment communities to our condensed consolidated financial statements as of September 30, 2021 is shown below (dollar amounts in thousands):

Cash and cash equivalents	$	3,905
Operating real estate, net	261,178
Lease intangible, net (a)	7,975
Other assets	11,620
Total assets	$	284,678
Mortgages payable on operating real estate, net	$	200,720
Other liabilities	5,997
Total liabilities	206,717
Non-controlling interest in Consolidated VIEs	4,626
Net equity investment	$	73,335

(a)Included in other assets in the accompanying condensed consolidated balance sheets.

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Unconsolidated Multi-Family Joint Venture Equity Investments

The Company has invested in two additional joint venture entities that own multi-family apartment communities. The Company determined that these joint venture entities are VIEs but that the Company is not the primary beneficiary, resulting in the Company recording its equity investments at fair value. We receive variable distributions from these investments on a pro rata basis and management fees based upon property performance. We also will participate in allocation of excess cash upon sale of the multi-family real estate assets. The following table summarizes our unconsolidated multi-family joint venture equity investments as of September 30, 2021 (dollar amounts in thousands):

State	Property Count	Ownership Interest	Fair Value
Texas	2	70%	$	10,290

Equity Investments in Entities that Invest in Residential Properties and Loans

As of September 30, 2021, the Company has an ownership interest in an entity that invests in residential properties. We may receive variable distributions from this investment based upon underlying asset performance and we record our position at fair value. The Company's ownership interest in an entity that invested in residential loans was redeemed during the nine months ended September 30, 2021. The following table summarizes our ownership interests in entities that invest in residential properties and loans as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

		September 30, 2021			December 31, 2020
	Strategy	Ownership Interest	Fair Value		Ownership Interest	Fair Value
Morrocroft Neighborhood Stabilization Fund II, LP	Single-Family Rental Properties	11%	$	17,089	11%	$	13,040
Headlands Asset Management Fund III (Cayman), LP (Headlands Flagship Opportunity Fund Series I)	Residential Loans	—	—		49%	63,290
Total			$	17,089		$	76,330

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Derivative Assets and Liabilities

The Company enters into derivative instruments in connection with its risk management activities. These derivative instruments may include interest rate swaps, swaptions, futures, options on futures and mortgage derivatives such as forward-settling purchases and sales of Agency RMBS where the underlying pools of mortgage loans are "To-Be-Announced," or TBAs.

We have generally used interest rate swaps to hedge variable cash flows associated with our variable rate borrowings. We typically paid a fixed rate and received a floating rate based on one- or three- month LIBOR, on the notional amount of the interest rate swaps. The floating rate we received under our swap agreements had the effect of offsetting the repricing characteristics and cash flows of our financing arrangements. Derivative financial instruments may contain credit risk to the extent that the institutional counterparties may be unable to meet the terms of the agreements. All of the Company’s interest rate swaps were cleared through CME Group Inc. (“CME Clearing”) which is the parent company of the Chicago Mercantile Exchange Inc. CME Clearing serves as the counterparty to every cleared transaction, becoming the buyer to each seller and the seller to each buyer, limiting the credit risk by guaranteeing the financial performance of both parties and netting down exposures.

In March 2020, in response to the turmoil in the financial markets, we terminated our interest rate swaps, recognizing a realized loss of $73.1 million which was partially offset by a reversal of $29.0 million in unrealized losses, resulting in a total net loss of $44.1 million for the nine months ended September 30, 2020.

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Debt

The Company's debt as of September 30, 2021 included Convertible Notes, Senior Unsecured Notes and subordinated debentures.

Convertible Notes    

As of September 30, 2021, the Company had $138.0 million aggregate principal amount of its 6.25% Senior Convertible Notes (the "Convertible Notes") outstanding, due on January 15, 2022. The Convertible Notes were issued at a discount with a total cost to the Company of approximately 8.24%.

Senior Unsecured Notes

As of September 30, 2021, the Company had $100.0 million aggregate principal amount of its 5.75% Senior Unsecured Notes (the "Senior Unsecured Notes") outstanding, due on April 30, 2026. The Senior Unsecured Notes were issued at par and carry deferred charges resulting in a total cost to the Company of approximately 6.64%. The Company's Senior Unsecured Notes contain various covenants including the maintenance of a minimum net asset value, ratio of unencumbered assets to unsecured indebtedness and senior debt service coverage ratio and limit the amount of leverage the Company may utilize and its ability to transfer the Company’s assets substantially as an entirety or merge into or consolidate with another person.

Subordinated Debentures

As of September 30, 2021, certain of our wholly-owned subsidiaries had trust preferred securities outstanding of $45.0 million with a weighted average interest rate of 3.97% which are due in 2035. The securities are fully guaranteed by us with respect to distributions and amounts payable upon liquidation, redemption or repayment. These securities are classified as subordinated debentures in the liability section of our condensed consolidated balance sheets.

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Balance Sheet Analysis - Company's Stockholders’ Equity

The Company's stockholders' equity at September 30, 2021 was $2.4 billion and included $2.0 million of accumulated OCI. The accumulated OCI at September 30, 2021 consisted primarily of $2.4 million in net unrealized gains related to our non-Agency RMBS partially offset by $0.4 million in net unrealized losses related to our CMBS. The Company's stockholders’ equity at December 31, 2020 was $2.3 billion and included $1.0 million of accumulated OCI. The accumulated OCI at December 31, 2020 consisted primarily of $2.0 million in net unrealized gains related to our CMBS partially offset by $1.0 million in net unrealized losses related to our non-Agency RMBS.

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Liquidity and Capital Resources

General

Liquidity is a measure of our ability to meet potential cash requirements, including ongoing commitments to repay borrowings, fund and maintain investments, comply with margin requirements, fund our operations, pay dividends to our stockholders and other general business needs. Generally, our investments and assets generate liquidity on an ongoing basis through principal and interest payments, prepayments, net earnings retained prior to payment of dividends and distributions from equity investments. In addition, we may generate liquidity through the sale of assets from our investment portfolio.

As discussed throughout this Quarterly Report on Form 10-Q, the COVID-19 pandemic-driven disruptions in the real estate, mortgage and financial markets negatively impacted our liquidity during the first half of 2020 and may negatively affect our liquidity in the future. In response to the difficult conditions encountered in March and April 2020, since late March 2020, we have focused on strengthening our balance sheet and long-term capital preservation through the selective disposition of assets, the completion of five securitization transactions and reductions in mark-to-market repurchase agreement financing, which has reduced our portfolio leverage to 0.1 times as of September 30, 2021. At September 30, 2021, we had $408.8 million of cash and cash equivalents, $679.2 million of unencumbered investment securities (including the securities we own in Consolidated SLST), $832.4 million of unencumbered residential loans and $347.4 million of unencumbered preferred equity investments in owners of multi-family properties.

Both of our residential and multi-family asset management teams have been active in responding to the government assistance programs instituted in response to the impacts of the COVID-19 pandemic providing relief to residential and multi-family loan borrowers. We have endeavored to work with any of our borrowers or operating partners that require relief because of the pandemic. As of September 30, 2021, approximately less than 1% of our residential loan portfolio had an active COVID-19 assistance plan. We have a long history of dealing with distressed borrowers and currently do not expect these levels of forbearance to have a material impact on our liquidity. In our multi-family portfolio, one loan is delinquent in making its distributions to us. This loan represents 1.1% of our total preferred equity and mezzanine loan investment portfolio. Although we did not see a significant increase in forbearance and delinquency rates in our portfolio since the onset of the COVID-19 pandemic, we would expect delinquencies, defaults and requests for forbearance arrangements to rise should savings, incomes and revenues of borrowers, operating partners and other businesses become further constrained from the ongoing impacts of the COVID-19 pandemic. We cannot assure you that any increase in or prolonged period of payment deferrals, forbearance, delinquencies, defaults, foreclosures or losses will not adversely affect our net interest income, the fair value of our assets or our liquidity.

We historically have endeavored to fund our investments and operations through a balanced and diverse funding mix, including proceeds from the issuance of common and preferred equity and debt securities, short-term and longer-term repurchase agreements and CDOs. The type and terms of financing used by us depends on the asset being financed and the financing available at the time of the financing. As discussed above, as a result of the severe market dislocations related to the COVID-19 pandemic and, more specifically, the unprecedented illiquidity in our repurchase agreement financing and MBS markets, we have placed and expect to continue to place a greater emphasis on procuring longer-termed and/or more committed financing arrangements, such as securitizations, term financings and corporate debt securities that provide less or no exposure to fluctuations in the collateral repricing determinations of financing counterparties or rapid liquidity reductions in repurchase agreement financing markets. To this end, we have completed non-mark-to-market securitizations and non-mark-to-market repurchase agreement financings with new and existing counterparties since March 2020. More recently, we completed a senior unsecured notes offering and, in July 2021, we completed an underwritten public offering of preferred stock.

Based on current market conditions, our current investment portfolio, new investment initiatives, leverage ratio and available and future possible financing arrangements, we believe our existing cash balances, funds available under our various financing arrangements and cash flows from operations will meet our liquidity requirements for at least the next 12 months. We have explored and will continue in the near term to explore additional financing arrangements to further strengthen our balance sheet and position ourselves for future investment opportunities, including, without limitation, additional issuances of our equity and debt securities and longer-termed financing arrangements; however, no assurance can be given that we will be able to access any such financing, or the size, timing or terms thereof.

Cash Flows and Liquidity for the Nine Months Ended September 30, 2021

During the nine months ended September 30, 2021, net cash, cash equivalents and restricted cash increased by $126.2 million.

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Cash Flows from Operating Activities

We generated net cash flows from operating activities of $78.0 million during the nine months ended September 30, 2021. Our cash flow provided by operating activities differs from our net income due to these primary factors: (i) differences between (a) accretion, amortization and recognition of income and losses recorded with respect to our investments and (b) the cash received therefrom and (ii) unrealized gains and losses on our investments.

Cash Flows from Investing Activities

During the nine months ended September 30, 2021, our net cash flows provided by investing activities were $109.5 million, primarily as a result of sales of non-Agency RMBS and CMBS and sales of residential loans compounded by principal repayments and refinancing of residential loans, principal paydowns or repayments of investment securities and preferred equity and mezzanine loan investments and returns of capital from equity investments. This was partially offset by purchases of residential loans, non-Agency RMBS and ABS and the funding of preferred equity and multi-family joint venture investments during the period.

Although we generally intend to hold our assets as long-term investments, we may sell certain of these assets in order to manage our interest rate risk and liquidity needs, to meet other operating objectives or to adapt to market conditions. We cannot predict the timing and impact of future sales of assets, if any.

Because a portion of our assets are financed through repurchase agreements or CDOs, a portion of the proceeds from any sales of or principal repayments on our assets may be used to repay balances under these financing sources. Accordingly, all or a significant portion of cash flows from principal repayments received on multi-family loans held in the Consolidated K-Series, principal repayments received from residential loans, including residential loans held in Consolidated SLST, and proceeds from sales or principal paydowns received from investment securities available for sale were used to repay CDOs issued by the respective Consolidated VIEs or repurchase agreements (included as cash used in financing activities).

Cash Flows from Financing Activities

During the nine months ended September 30, 2021, our net cash flows used in financing activities were $61.3 million. The main uses of cash flows in financing activities were payments made on repurchase agreements related to our residential loans, paydowns on CDOs, redemption of preferred stock and dividend payments on both common and preferred stock. The cash payments were partially offset by proceeds from issuance of Senior Unsecured Notes, residential CDOs, and preferred stock.

Liquidity – Financing Arrangements

As of September 30, 2021, we had no amounts outstanding under short-term repurchase agreements on our investment securities. These repurchase agreements are typically secured by certain of our investment securities and bear interest rates that have historically moved in close relationship to LIBOR. Any financings under these repurchase agreements are based on the fair value of the assets that serve as collateral under these agreements. Interest rate changes and increased prepayment activity can have a negative impact on the valuation of these securities, reducing the amount we can borrow under these agreements. Moreover, our repurchase agreements allow the counterparties to determine a new market value of the collateral to reflect current market conditions and because these lines of financing are not committed, the counterparty can effectively call the loan at any time. Market value of the collateral represents the price of such collateral obtained from generally recognized sources or the most recent closing bid quotation from such source plus accrued income. If a counterparty determines that the value of the collateral has decreased, the counterparty may initiate a margin call and require us to either post additional collateral to cover such decrease or repay a portion of the outstanding amount financed in cash, on minimal notice, and repurchase may be accelerated upon an event of default under the repurchase agreements. Moreover, in the event an existing counterparty elected to not renew the outstanding balance at its maturity into a new repurchase agreement, we would be required to repay the outstanding balance with cash or proceeds received from a new counterparty or to surrender the securities that serve as collateral for the outstanding balance, or any combination thereof. If we were unable to secure financing from a new counterparty and had to surrender the collateral, we would expect to incur a loss. In addition, in the event one of our repurchase agreement counterparties defaults on its obligation to “re-sell” or return to us the assets that are securing the financing at the end of the term of the repurchase agreement, we would incur a loss on the transaction equal to the amount of “haircut” associated with the short-term repurchase agreement, which we sometimes refer to as the “amount at risk.”

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At September 30, 2021, we had longer-term repurchase agreements with terms of up to two years with three third-party financial institutions that are secured by certain of our residential loans and that function similar to our short-term repurchase agreements. The financings under two of these repurchase agreements are subject to margin calls to the extent the market value of the residential loans falls below specified levels and repurchase may be accelerated upon an event of default under the repurchase agreements. Beginning in the third quarter of 2020, we entered into or amended agreements with new and existing counterparties that are secured by certain of our residential loans and are not subject to margin calls in the event the market value of the collateral declines. See "Management's Discussion and Analysis of Financial Condition and Results of Operations—Balance Sheet Analysis—Residential Loans Financing—Repurchase Agreements" for further information. During the terms of the repurchase agreements secured by residential loans, proceeds from the residential loans will be applied to pay any price differential, if applicable, and to reduce the aggregate repurchase price of the collateral. The repurchase agreements secured by residential loans contain various covenants, including among other things, the maintenance of certain amounts of liquidity and total stockholders' equity. As of September 30, 2021, we had an aggregate amount at risk under our residential loan repurchase agreements of approximately $157.4 million, which represents the difference between the fair value of the loans pledged and the outstanding balance of our repurchase agreements. Significant margin calls have had, and could in the future have, a material adverse effect on our results of operations, financial condition, business, liquidity and ability to make distributions to our stockholders. See “Liquidity and Capital Resources – General” above.

At September 30, 2021, the Company had $138.0 million aggregate principal amount of Convertible Notes outstanding. The Convertible Notes were issued at 96% of the principal amount, bear interest at a rate equal to 6.25% per year, payable semi-annually in arrears on January 15 and July 15 of each year, and mature on January 15, 2022, unless earlier converted or repurchased. The Company does not have the right to redeem the Convertible Notes prior to maturity and no sinking fund is provided for the Convertible Notes. Holders of the Convertible Notes are permitted to convert their Convertible Notes into shares of the Company's common stock at any time prior to the close of business on the business day immediately preceding January 15, 2022. The conversion rate for the Convertible Notes, which is subject to adjustment upon the occurrence of certain specified events, initially equals 142.7144 shares of the Company’s common stock per $1,000 principal amount of Convertible Notes, which is equivalent to a conversion price of approximately $7.01 per share of the Company’s common stock, based on a $1,000 principal amount of the Convertible Notes.

At September 30, 2021, the Company had $100.0 million aggregate principal amount of Senior Unsecured Notes outstanding. The Senior Unsecured Notes were issued at 100% of the principal amount and bear interest at a rate equal to 5.75% per year (subject to adjustment from time to time based on changes in the ratings of the Senior Unsecured Notes by one or more nationally recognized statistical rating organizations), payable semi-annually in arrears on April 30 and October 30 of each year, and are expected to mature on April 30, 2026, unless earlier redeemed. The Company has the right to redeem the Senior Unsecured Notes, in whole or in part, prior to maturity, subject to a "make-whole" premium or other date-dependent multiples of principal amount redeemed. No sinking fund is provided for the Senior Unsecured Notes.

At September 30, 2021, we also had other longer-term debt which includes Company-sponsored residential loan securitization CDOs with a carrying value of $710.1 million.

As of September 30, 2021, our total leverage ratio, which represents our total outstanding repurchase agreement financing, subordinated debentures, Convertible Notes and Senior Unsecured Notes divided by our total stockholders' equity, was approximately 0.3 to 1. Our overall leverage ratio does not include debt associated with CDOs or other non-recourse debt to the Company. As of September 30, 2021, our leverage ratio on our shorter-term financings, which represents our outstanding repurchase agreement financing divided by our total stockholders' equity, was approximately 0.1 to 1. We monitor all at risk or shorter-term financings to enable us to respond to market disruptions as they arise.

Liquidity – Hedging and Other Factors

Certain of our hedging instruments may also impact our liquidity. We may use interest rate swaps, swaptions, TBAs or other futures contracts to hedge interest rate and market value risk associated with our investments in Agency RMBS.

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With respect to interest rate swaps, futures contracts and TBAs, initial margin deposits, which can be comprised of either cash or securities, will be made upon entering into these contracts. During the period these contracts are open, changes in the value of the contract are recognized as unrealized gains or losses by marking to market on a daily basis to reflect the market value of these contracts at the end of each day’s trading. We may be required to satisfy variable margin payments periodically, depending upon whether unrealized gains or losses are incurred. In addition, because delivery of TBAs extend beyond the typical settlement dates for most non-derivative investments, these transactions are more prone to market fluctuations between the trade date and the ultimate settlement date, and thereby are more vulnerable to increasing amounts at risk with the applicable counterparties. In March 2020, in response to the turmoil in the financial markets, we terminated our interest rate swaps and currently do not have any hedges in place.

For additional information regarding the Company’s derivative instruments and hedging activities for the periods covered by this report, including the fair values and notional amounts of these instruments and realized and unrealized gains and losses relating to these instruments, please see Note 8 to our condensed consolidated financial statements included in this report.

Liquidity — Securities Offerings

In addition to the financing arrangements described above under the caption “Liquidity—Financing Arrangements,” we also rely on follow-on equity offerings of common and preferred stock, and may utilize from time to time debt securities offerings, as a source of both short-term and long-term liquidity. We also may generate liquidity through the sale of shares of our common stock or preferred stock in “at-the-market” equity offering programs pursuant to equity distribution agreements, as well as through the sale of shares of our common stock pursuant to our Dividend Reinvestment Plan (“DRIP”), which provides for the issuance of up to $20,000,000 of shares of our common stock.

The Company had no common stock offerings during the nine months ended September 30, 2021. In July 2021, the Company completed an underwritten public offering of 5,750,000 shares of 6.875% Series F Fixed-to-Floating-Rate Preferred Stock for total net proceeds to the Company of approximately $138.6 million after deduction of underwriting discounts and commissions and offering expenses. The Company used the net proceeds to fund the redemption of all outstanding shares of its 7.875% Series C Preferred Stock at an aggregate redemption price of approximately $25.08 per share, which included accumulated and unpaid dividends up to, but not including, the redemption date of July 30, 2021. This lowered the coupon on the capital represented by the redeemed Series C Preferred Stock by 100 bps.

Dividends

For information regarding the declaration and payment of dividends on our common stock and preferred stock for the periods covered by this report, please see Note 15 to our condensed consolidated financial statements included in this report.

Our Board of Directors will continue to evaluate our dividend policy each quarter and will make adjustments as necessary, based on our earnings and financial condition, capital requirements, maintenance of our REIT qualification, restrictions on making distributions under Maryland law and such other factors as our Board of Directors deems relevant. Our dividend policy does not constitute an obligation to pay dividends.

We intend to make distributions to our stockholders to comply with the various requirements to maintain our REIT status and to minimize or avoid corporate income tax and the nondeductible excise tax. However, differences in timing between the recognition of REIT taxable income and the actual receipt of cash could require us to sell assets or to borrow funds on a short-term basis to meet the REIT distribution requirements and to minimize or avoid corporate income tax and the nondeductible excise tax.

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Inflation

Substantially all our assets and liabilities are financial in nature and are sensitive to interest rate and other related factors to a greater degree than inflation. Changes in interest rates do not necessarily correlate with inflation rates or changes in inflation rates. Our condensed consolidated financial statements and corresponding notes thereto have been prepared in accordance with GAAP, which require the measurement of financial position and operating results in terms of historical dollars without considering inflation.

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Off-Balance Sheet Arrangements

We did not maintain any relationships with unconsolidated entities or financial partnerships, such as entities often referred to as structured finance or special purpose entities, established for the purpose of facilitating off-balance sheet arrangements or other contractually narrow or limited purposes. Further, we have not guaranteed any obligations of unconsolidated entities nor do we have any commitment or intent to provide funding to any such entities.

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Item 3.  Quantitative and Qualitative Disclosures about Market Risk

This section should be read in conjunction with “Item 1A. Risk Factors” in our Annual Report on Form 10-K and in our subsequent periodic reports filed with the SEC.

We seek to manage risks that we believe will impact our business including interest rates, liquidity, prepayments, credit quality and market value. When managing these risks we consider the impact on our assets, liabilities and derivative positions. While we do not seek to avoid risk completely, we believe the risk can be quantified from historical experience. We seek to actively manage that risk, to generate risk-adjusted total returns that we believe compensate us appropriately for those risks and to maintain capital levels consistent with the risks we take.

The following analysis includes forward-looking statements that assume that certain market conditions occur. Actual results may differ materially from these projections due to changes in our portfolio assets and borrowings mix and due to developments in the domestic and global financial, mortgage and real estate markets. Developments in the financial markets include the likelihood of changing interest rates and the relationship of various interest rates and their impact on our portfolio yield, cost of funds and cash flows. The analytical methods that we use to assess and mitigate these market risks should not be considered projections of future events or operating performance.

Interest Rate Risk

Interest rates are sensitive to many factors, including governmental, monetary or tax policies, domestic and international economic conditions, and political or regulatory matters beyond our control. Changes in interest rates affect the value of the assets we manage and hold in our investment portfolio and the variable-rate borrowings we use to finance our portfolio. Changes in interest rates also affect the interest rate swaps and caps, TBAs and other securities or instruments we may use to hedge our portfolio. As a result, our net interest income is particularly affected by changes in interest rates.

For example, we hold RMBS and residential loans, some of which may have fixed rates or interest rates that adjust on various dates that are not synchronized to the adjustment dates on our repurchase agreements. In general, the re-pricing of our repurchase agreements occurs more quickly than the re-pricing of our variable-interest rate assets. Thus, it is likely that our floating rate financing, such as our repurchase agreements, may react to interest rates before our RMBS or residential loans because the weighted average next re-pricing dates on the related financing may have shorter time periods than that of the RMBS or residential loan. Moreover, changes in interest rates can directly impact prepayment speeds, thereby affecting our net return on RMBS and residential loans. During a declining interest rate environment, the prepayment of RMBS may accelerate (as borrowers may opt to refinance at a lower interest rate) causing the amount of liabilities that have been extended by the use of interest rate swaps to increase relative to the amount of RMBS, possibly resulting in a decline in our net return on RMBS, as replacement RMBS may have a lower yield than those being prepaid. Conversely, during an increasing interest rate environment, RMBS may prepay more slowly than expected, requiring us to finance a higher amount of RMBS than originally forecast and at a time when interest rates may be higher, resulting in a decline in our net return on RMBS. Accordingly, each of these scenarios can negatively impact our net interest income. In addition, when we purchase residential loans at a discount to par value, and borrowers then prepay at a slower rate than we expected, the decreased prepayments would result in a lower yield than expected on the asset and/or may result in a decline in the fair value of the residential loans.

We seek to manage interest rate risk in our portfolio by utilizing interest rate swaps, swaptions, interest rate caps, futures, options on futures and U.S. Treasury securities with the goal of optimizing the earnings potential while seeking to maintain long term stable portfolio values. Given current market volatility and historically low interest rates, we do not currently have any hedges in place to mitigate the risk of rising interest rates.

We utilize a model-based risk analysis system to assist in projecting portfolio performances over a scenario of different interest rates. The model incorporates shifts in interest rates, changes in prepayments and other factors impacting the valuations of our financial securities and derivative hedging instruments.

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Based on the results of the model, the instantaneous changes in interest rates specified below would have had the following effect on our net interest income for the next 12 months based on our assets and liabilities as of September 30, 2021 (dollar amounts in thousands):

Changes in Net Interest Income
Changes in Interest Rates (basis points)	Changes in Net Interest Income
+200	$	(14,267)
+100	$	(6,341)
-100	$	529

Interest rate changes may also impact our net book value as our assets and related hedge derivatives, if any, are marked-to-market each quarter. Generally, as interest rates increase, the value of our mortgage assets decreases, and conversely, as interest rates decrease, the value of such investments will increase. In general, we expect that, over time, decreases in the value of our portfolio attributable to interest rate changes will be offset, to the degree we are hedged, by increases in the value of our interest rate swaps or other financial instruments used for hedging purposes, and vice versa. However, the relationship between spreads on our assets and spreads on our hedging instruments may vary from time to time, resulting in a net aggregate book value increase or decline.

The interest rates for certain of our investments and a majority of our financing transactions are either explicitly or indirectly based on LIBOR. On July 27, 2017, the United Kingdom's Financial Conduct Authority announced that it intends to stop persuading or compelling banks to submit LIBOR rates after 2021. See "Current Market Conditions and Commentary — Monetary Policy and Recent Regulatory Developments" above. At this time, it is not possible to predict the effect of such change. We are in the process of evaluating the potential impact of a discontinuation of LIBOR after 2021 on our portfolio, as well as the related accounting impact. However, we expect that throughout 2021 and into 2022, we will work closely with the entities that are involved in calculating the interest rates for our RMBS, our loan servicers for our floating rate loans, and with the various counterparties to our financing transactions in order to determine what changes, if any, are required to be made to existing agreements for these transactions.

Our net interest income, the fair value of our assets and our financing activities could be negatively affected by volatility in interest rates caused by uncertainties stemming from COVID-19. A prolonged period of extremely volatile and unstable market conditions would likely increase our funding costs and negatively affect market risk mitigation strategies. Higher income volatility from changes in interest rates could cause a loss of future net interest income and a decrease in current fair market values of our assets. Fluctuations in interest rates will impact both the level of income and expense recorded on most of our assets and liabilities and the market value of all or substantially all of our interest-earning assets and interest-bearing liabilities, which in turn could have a material adverse effect on our net income, operating results, or financial condition.

Liquidity Risk

Liquidity is a measure of our ability to meet potential cash requirements, including ongoing commitments to repay borrowings, fund and maintain investments, pay dividends to our stockholders and other general business needs. The primary liquidity risk we face arises from financing long-maturity assets with shorter-term financings. We recognize the need to have funds available to operate our business. We manage and forecast our liquidity needs and sources daily to ensure that we have adequate liquidity at all times. We plan to meet liquidity through normal operations with the goal of avoiding unplanned sales of assets or emergency borrowing of funds.

We are subject to “margin call” risk on a portion of our repurchase agreements. In the event the value of our assets pledged as collateral suddenly decreases, margin calls relating to our repurchase agreements could increase, causing an adverse change in our liquidity position. Additionally, if one or more of our repurchase agreement counterparties chooses not to provide ongoing funding, we may be unable to replace the financing through other lenders on favorable terms or at all.

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As discussed throughout this Quarterly Report on Form 10-Q, in March 2020, we observed unprecedented illiquidity in repurchase agreement financing and MBS markets which resulted in our receiving margin calls under our repurchase agreements that were well beyond historical norms. We took a number of decisive actions in response to these conditions, including the sale of assets and termination of our interest rate swaps. Because of this, we intend to place a greater emphasis on procuring longer-termed and/or more committed financing arrangements, such as securitizations, term financings and corporate debt securities, which may involve greater expense relative to repurchase agreement funding. We provide no assurance that we will be able in the future to access sources of capital that are attractive to us, that we will be able to roll over or replace our repurchase agreements or other financing instruments as they mature from time to time in the future or that we otherwise will not need to resort to unplanned sales of assets to provide liquidity in the future. See Item 2, "Management's Discussion and Analysis of Financial Condition and Results of Operations — Liquidity and Capital Resources" and the other information in this Quarterly Report on Form 10-Q for further information about our liquidity and capital resource management.

Derivative financial instruments are also subject to “margin call” risk. For example, under the interest rate swaps we have utilized, typically we would pay a fixed rate to the counterparties while they would pay us a floating rate. If interest rates drop below the fixed rate we pay on an interest rate swap, we may be required to post cash margin. Given current market volatility and historically low interest rates, we do not currently have any interest rate swaps in place.

Prepayment Risk

When borrowers repay the principal on their residential loans before maturity or faster than their scheduled amortization, the effect is to shorten the period over which interest is earned, and therefore, reduce the yield for residential mortgage assets purchased at a premium to their then current balance. Conversely, residential mortgage assets purchased for less than their then current balance, such as many of our residential loans, exhibit higher yields due to faster prepayments. Furthermore, actual prepayment speeds may differ from our modeled prepayment speed projections impacting the effectiveness of any hedges we may have in place to mitigate financing and/or fair value risk. Generally, when market interest rates decline, borrowers have a tendency to refinance their mortgages, thereby increasing prepayments.

Our modeled prepayments will help determine the amount of hedging we use to off-set changes in interest rates. If actual prepayment rates are higher than modeled, the yield will be less than modeled in cases where we paid a premium for the particular residential mortgage asset. Conversely, when we have paid a premium, if actual prepayment rates experienced are slower than modeled, we would amortize the premium over a longer time period, resulting in a higher yield to maturity.

In an environment of increasing prepayment speeds, the timing difference between the actual cash receipt of principal paydowns and the announcement of the principal paydowns may result in additional margin requirements from our repurchase agreement counterparties.

We mitigate prepayment risk by constantly evaluating our residential mortgage assets relative to prepayment speeds observed for assets with similar structures, quantities and characteristics. Furthermore, we stress-test the portfolio as to prepayment speeds and interest rate risk in order to further develop or make modifications to our hedge balances. Historically, we have not hedged 100% of our liability costs due to prepayment risk. Given the combination of low interest rates, government stimulus, high unemployment and other disruptions related to COVID-19, it has become more difficult to predict prepayment levels for the securities in our portfolio.

Credit Risk

Credit risk is the risk that we will not fully collect the principal we have invested in our credit sensitive assets, including residential loans, non-Agency RMBS, ABS, multi-family CMBS, preferred equity and mezzanine loan and joint venture equity investments, due to borrower defaults or defaults by our operating partners in their payment obligations to us. In selecting the credit sensitive assets in our portfolio, we seek to identify and invest in assets with characteristics that we believe offset or limit our exposure to defaults.

We seek to manage credit risk through our pre-acquisition or pre-funding due diligence process, and by factoring projected credit losses into the purchase price we pay or loan terms we negotiate for all of our credit sensitive assets. In general, we evaluate relative valuation, supply and demand trends, prepayment rates, delinquency and default rates, vintage of collateral and macroeconomic factors as part of this process. Nevertheless, these procedures provide no assurance that we will not experience unanticipated credit losses which would materially affect our operating results.

108

Concern surrounding the ongoing COVID-19 pandemic and certain of the actions taken to reduce its spread has caused and may continue to cause business shutdowns, limitations on commercial activity and financial transactions, labor shortages, supply chain interruptions, increased unemployment and multi-family property vacancy and lease default rates, reduced profitability and ability for property owners to make loan, mortgage and other payments, and overall economic and financial market instability, all of which may cause an increase in the credit risk of our credit sensitive assets. Although we did not see an increase in forbearance and delinquency rates in our portfolio during the quarter ended September 30, 2021, we would expect delinquencies, defaults and requests for forbearance arrangements to rise should savings, incomes and revenues of borrowers, operating partners and other businesses become increasingly constrained from a slow-down in economic activity and/or the reduction or elimination of current unemployment benefits or other policies intended to help keep borrowers and renters in their residences. Any future period of payment deferrals, forbearance, delinquencies, defaults, foreclosures or losses will likely adversely affect our net interest income from preferred equity investments, residential loans, mezzanine loans and our RMBS, CMBS and ABS investments, the fair value of these assets, our ability to liquidate the collateral that may underlie these investments and obtain additional financing and the future profitability of our investments. Further, in the event of delinquencies, defaults and foreclosure, regulatory changes and policies designed to protect borrowers and renters may slow or prevent us from taking remediation actions.

With respect to our residential loans, we purchased the majority of these mortgage loans at a discount to par based on a number of factors, including the impaired credit history of the borrower and the value of the collateral securing the loan or due to errors in relevant documentation, credit underwriting of the borrower and non-compliance with originally intended underwriting guidelines. We seek to manage this risk through our loan acquisition process, where we or a third-party due diligence firm perform an independent review of the mortgage file to assess the state of mortgage loan files, the servicing of the mortgage loan, compliance with existing guidelines, as well as our ability to enforce the contractual rights in the mortgage. We also obtain certain representations and warranties from each seller with respect to the mortgage loans, as well as the enforceability of the lien on the mortgaged property. A seller who breaches these representations and warranties may be obligated to repurchase the loan from us. For our business purpose loans, we underwrite the loan before it is purchased and include an assessment of the borrower's financial condition and ability to repay the loan, nature of collateral and relatively low LTV, including LTV after-repair. In addition, as part of our process, we focus on selecting a servicer with the appropriate expertise to mitigate losses and maximize our overall return on these residential loans. This involves, among other things, performing due diligence on the servicer prior to their engagement, assigning the appropriate servicer on each loan based on certain characteristics and monitoring each servicer's performance on an ongoing basis.

We are exposed to credit risk in our investments in CMBS, non-Agency RMBS and ABS. These investments typically consist of either the senior, mezzanine or subordinate tranches in securitizations. The underlying collateral of these securitizations may be exposed to various macroeconomic and asset-specific credit risks. These securities have varying levels of credit enhancement which provide some structural protection from losses within the portfolio. We undertake an in-depth assessment of the underlying collateral and securitization structure when investing in these assets, which may include modeling defaults, prepayments and loss across different scenarios. In addition, we are exposed to credit risk in our preferred equity, mezzanine loan and equity investments in owners of residential and multi-family properties, including joint venture investments that we consolidate in our financial statements in accordance with GAAP. The performance and value of these investments depend upon the applicable operating or joint venture partner’s or borrower’s ability to effectively operate the multi-family and residential properties that serve as the underlying collateral to produce cash flows adequate to pay distributions, interest or principal due to us. The Company monitors the performance and credit quality of the underlying assets that serve as collateral for its investments. In connection with these types of investments by us in multi-family properties, the procedures for ongoing monitoring include financial statement analysis and regularly scheduled site inspections of portfolio properties to assess property physical condition, performance of on-site staff and competitive activity in the sub-market. We also formulate annual budgets and performance goals alongside our operating partners for use in measuring the ongoing investment performance and credit quality of our investments. Additionally, the Company's preferred equity and equity investments typically provide us with various rights and remedies to protect our investment.

109

Fair Value Risk

Changes in interest rates, market liquidity, credit quality and other factors also expose us to market value (fair value) fluctuation on our assets, liabilities and hedges. For certain of our credit sensitive assets, fair values may only be derived or estimated for these investments using various valuation techniques, such as computing the present value of estimated future cash flows using discount rates commensurate with the risks involved. However, the determination of estimated future cash flows is inherently subjective and imprecise. Moreover, the uncertainty over the ultimate impact that the COVID-19 pandemic will have on the global economy generally, and on our business in particular, makes any estimates and assumptions inherently less certain than they would be absent the current and potential impacts of the COVID-19 pandemic. Minor changes in assumptions or estimation methodologies can have a material effect on these derived or estimated fair values. Our fair value estimates and assumptions are indicative of the interest rate and business environments as of September 30, 2021 and do not take into consideration the effects of subsequent changes.

The following describes the methods and assumptions we use in estimating fair values of our financial instruments:

Fair value estimates are made as of a specific point in time based on estimates using present value or other valuation techniques. These techniques involve uncertainties and are significantly affected by the assumptions used and the judgments made regarding risk characteristics of various financial instruments, discount rates, estimate of future cash flows, future expected loss experience and other factors.

Changes in assumptions could significantly affect these estimates and the resulting fair values. Derived fair value estimates cannot be substantiated by comparison to independent markets and, in many cases, could not be realized in an immediate sale of the instrument. Also, because of differences in methodologies and assumptions used to estimate fair values, the fair values used by us should not be compared to those of other companies.

The table below presents the sensitivity of the fair value and net duration changes of our portfolio as of September 30, 2021, using a discounted cash flow simulation model assuming an instantaneous interest rate shift. Application of this method results in an estimation of the fair market value change of our assets, liabilities and hedging instruments per 100 basis point shift in interest rates.

The use of hedging instruments has historically been a critical part of our interest rate risk management strategies. This analysis also takes into consideration the value of options embedded in our mortgage assets including constraints on the re-pricing of the interest rate of assets resulting from periodic and lifetime cap features, as well as prepayment options. Assets and liabilities that are not interest rate-sensitive such as cash, payment receivables, prepaid expenses, payables and accrued expenses are excluded.

Changes in assumptions including, but not limited to, volatility, mortgage and financing spreads, prepayment behavior, credit conditions, defaults, as well as the timing and level of interest rate changes will affect the results of the model. Therefore, actual results are likely to vary from modeled results.

Fair Value Changes
Changes in Interest Rates	Changes in Fair Value	Net Duration
(basis points)	(dollar amounts in thousands)
+200	$(105,645)	1.9
+100	$(75,483)	2.0
Base		2.1
-100	$65,643	2.3

It should be noted that the model is used as a tool to identify potential risk in a changing interest rate environment but does not include any changes in portfolio composition, financing strategies, market spreads or changes in overall market liquidity.

Although market value sensitivity analysis is widely accepted in identifying interest rate risk, it does not take into consideration changes that may occur such as, but not limited to, changes in investment and financing strategies, changes in market spreads and changes in business volumes. Accordingly, we make extensive use of an earnings simulation model to further analyze our level of interest rate risk.

110

Capital Market Risk

We are exposed to risks related to the equity capital markets, and our related ability to raise capital through the issuance of our common stock, preferred stock or other equity instruments. We are also exposed to risks related to the debt capital markets, and our related ability to finance our business through credit facilities or other debt instruments. As a REIT, we are required to distribute a significant portion of our taxable income annually, which constrains our ability to accumulate operating cash flow and therefore may require us to utilize debt or equity capital to finance our business. We seek to mitigate these risks by monitoring the debt and equity capital markets to inform our decisions on the amount, timing, and terms of capital we raise. The ongoing COVID-19 pandemic has resulted in volatility that has been extreme at times in a variety of global markets, including the U.S. financial, mortgage and real estate markets. In reaction to the tumultuous market conditions in March 2020 associated with the pandemic, various banks and other financing participants restricted or limited lending activity and requested margin posting or repayments where applicable. Although these conditions have subsided somewhat beginning in the second quarter of 2020 and continuing into the quarter ended September 30, 2021, we expect these conditions to remain volatile and uncertain at varying levels for the near future and this may adversely affect our ability to access capital to fund our operations, meet our obligations and make distributions to our stockholders.

111

Item 4. Controls and Procedures

Evaluation of Disclosure Controls and Procedures. We maintain disclosure controls and procedures that are designed to ensure that information required to be disclosed in the reports that we file or submit under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the rules and forms of the SEC, and that such information is accumulated and communicated to our management as appropriate to allow timely decisions regarding required disclosures. An evaluation was performed under the supervision and with the participation of our management, including our principal executive officer and principal financial officer, of the effectiveness of our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act) as of September 30, 2021. Based upon that evaluation, our principal executive officer and principal financial officer concluded that our disclosure controls and procedures were effective as of September 30, 2021.

Changes in Internal Control Over Financial Reporting. There have been no changes in our internal control over financial reporting during the quarter ended September 30, 2021 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

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PART II.  OTHER INFORMATION

Item 1A. Risk Factors

There have been no material changes to the risk factors previously disclosed under Part I., Item 1A of our Annual Report on Form 10-K for the year ended December 31, 2020.

113

Item 6. Exhibits

EXHIBIT INDEX

Exhibit	Description
3.1	Articles of Amendment and Restatement of the Company, as amended (Incorporated by reference to Exhibit 3.1 to the Company's Annual Report on Form 10-K filed with the Securities and Exchange Commission on February 28, 2020).
3.2	Second Amended and Restated Bylaws of the Company (Incorporated by reference to Exhibit 3.1 to the Company’s Current Report on Form 8-K filed with the Securities and Exchange Commission on April 23, 2020).
3.3	Articles Supplementary designating the Company’s 7.75% Series B Cumulative Redeemable Preferred Stock (the “Series B Preferred Stock”) (Incorporated by reference to Exhibit 3.3 of the Company’s Registration Statement on Form 8-A filed with the Securities and Exchange Commission on May 31, 2013).
3.4	Articles Supplementary classifying and designating 2,550,000 additional shares of the Series B Preferred Stock (Incorporated by reference to Exhibit 3.1 of the Company’s Current Report on Form 8-K filed with the Securities and Exchange Commission on March 20, 2015).
3.5	Articles Supplementary classifying and designating the Company's 7.875% Series C Cumulative Redeemable Preferred Stock (the “Series C Preferred Stock”) (Incorporated by reference to Exhibit 3.5 of the Company’s Registration Statement on Form 8-A filed with the Securities and Exchange Commission on April 21, 2015).
3.6	Articles Supplementary classifying and designating the Company's 8.00% Series D Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock (the “Series D Preferred Stock”) (Incorporated by reference to Exhibit 3.6 to the Company’s Registration Statement on Form 8-A filed with the Securities and Exchange Commission on October 10, 2017).
3.7	Articles Supplementary classifying and designating 2,460,000 additional shares of the Series C Preferred Stock (Incorporated by reference to Exhibit 3.1 of the Company’s Current Report on Form 8-K filed with the Securities and Exchange Commission on March 29, 2019).
3.8	Articles Supplementary classifying and designating 2,650,000 additional shares of the Series D Preferred Stock (Incorporated by reference to Exhibit 3.3 of the Company’s Current Report on Form 8-K filed with the Securities and Exchange Commission on March 29, 2019).
3.9	Articles Supplementary classifying and designating the Company's 7.875% Series E Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock (the “Series E Preferred Stock”) (Incorporated by reference to Exhibit 3.9 to the Company’s Registration Statement on Form 8-A filed with the Securities and Exchange Commission on October 15, 2019).
3.10	Articles Supplementary classifying and designating 3,000,000 additional shares of the Series E Preferred Stock (Incorporated by reference to Exhibit 3.1 of the Company’s Current Report on Form 8-K filed with the Securities and Exchange Commission on November 27, 2019).
3.11	Articles Supplementary classifying and designating the Company’s 6.875% Series F Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock (Incorporated by reference to Exhibit 3.9 to the Company’s Registration Statement on Form 8-A filed with the Securities and Exchange Commission on July 6, 2021).
3.12	Articles Supplementary reclassifying and designating 6,600,000 authorized but unissued shares of the Series C Preferred Stock as additional shares of undesignated preferred stock, $0.01 par value per share, of the Company (Incorporated by reference to Exhibit 3.1 of the Company’s Current Report on Form 8-K filed with the Securities and Exchange Commission on August 5, 2021).
3.13	Articles Supplementary classifying and designating 2,000,000 additional shares of the Series F Preferred Stock (Incorporated by reference to Exhibit 3.1 of the Company’s Current Report on Form 8-K filed with the Securities and Exchange Commission on August 11, 2021).
4.1	Form of Common Stock Certificate (Incorporated by reference to Exhibit 4.1 to the Company’s Registration Statement on Form S-11 (Registration No. 333-111668) filed with the Securities and Exchange Commission on June 18, 2004).

114

4.2	Form of Certificate representing the Series B Preferred Stock Certificate (Incorporated by reference to Exhibit 3.4 of the Company’s Registration Statement on Form 8-A filed with the Securities and Exchange Commission on May 31, 2013).
4.3	Form of Certificate representing the Series D Preferred Stock (Incorporated by reference to Exhibit 3.7 to the Company’s Registration Statement on Form 8-A filed with the Securities and Exchange Commission on October 10, 2017).
4.4	Form of Certificate representing the Series E Preferred Stock (Incorporated by reference to Exhibit 3.10 to the Company’s Registration Statement on Form 8-A filed with the Securities and Exchange Commission on October 15, 2019).
4.5	Form of Certificate representing the Series F Preferred Stock (Incorporated by reference to Exhibit 3.10 to the Company’s Registration Statement on Form 8-A filed with the Securities and Exchange Commission on July 6, 2021).
4.6	Indenture, dated January 23, 2017, between the Company and U.S. Bank National Association, as trustee (Incorporated by reference to Exhibit 4.1 to the Company's Current Report on Form 8-K filed with the Securities and Exchange Commission on January 23, 2017).
4.7	First Supplemental Indenture, dated January 23, 2017, between the Company and U.S. Bank National Association, as trustee (Incorporated by reference to Exhibit 4.2 to the Company's Current Report on Form 8-K filed with the Securities and Exchange Commission on January 23, 2017).
4.8	Form of 6.25% Senior Convertible Note Due 2022 of the Company (Incorporated by reference to Exhibit 4.3 to the Company's Current Report on Form 8-K filed with the Securities and Exchange Commission on January 23, 2017).
4.9	Indenture, dated as of April 27, 2021, between the Company and UMB Bank National Association, as trustee (Incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K filed with the Securities and Exchange Commission on April 27, 2021).
4.10	Form of 5.75% Senior Note due 2026 (Included in Exhibit 4.9).

115

Certain instruments defining the rights of holders of long-term debt securities of the Company and its subsidiaries are omitted pursuant to Item 601(b)(4)(iii) of Regulation S-K. The Company hereby undertakes to furnish to the Securities and Exchange Commission, upon request, copies of any such instruments. 

31.1	Certification of the Chief Executive Officer Pursuant to Rule 13a-14(a)/15d-14(a) of the Securities Exchange Act of 1934, as amended, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2	Certification of the Chief Financial Officer Pursuant to Rule 13a-14(a)/15d-14(a) of the Securities Exchange Act of 1934, as amended, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1*	Certification Pursuant to 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.INS**	XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.
101.SCH**	Taxonomy Extension Schema Document
101.CAL**	Taxonomy Extension Calculation Linkbase Document
101.DEF XBRL**	Taxonomy Extension Definition Linkbase Document
101.LAB**	Taxonomy Extension Label Linkbase Document
101.PRE**	Taxonomy Extension Presentation Linkbase Document
104	The cover page for the Registrant’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2021 (formatted in Inline XBRL and contained in Exhibit 101).

*Furnished herewith. Such certification shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended.

**Submitted electronically herewith. Attached as Exhibit 101 to this report are the following documents formatted in Inline XBRL (Extensible Business Reporting Language): (i) Condensed Consolidated Balance Sheets at September 30, 2021 and December 31, 2020; (ii) Condensed Consolidated Statements of Operations for the three and nine months ended September 30, 2021 and 2020; (iii) Condensed Consolidated Statements of Comprehensive Income for the three and nine months ended September 30, 2021 and 2020; (iv) Condensed Consolidated Statements of Changes in Stockholders’ Equity for the three and nine months ended September 30, 2021 and 2020; (v) Condensed Consolidated Statements of Cash Flows for the nine months ended September 30, 2021 and 2020; and (vi) Notes to Condensed Consolidated Financial Statements.

116

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

		NEW YORK MORTGAGE TRUST, INC.
Date:	November 4, 2021	By:	/s/ Steven R. Mumma
			Steven R. Mumma
			Chairman of the Board and Chief Executive Officer
			(Principal Executive Officer)
Date:	November 4, 2021	By:	/s/ Kristine R. Nario-Eng
			Kristine R. Nario-Eng
			Chief Financial Officer
			(Principal Financial and Accounting Officer)

117

EX-31.1

Exhibit 31.1

CERTIFICATION PURSUANT TO SECTION 302

OF THE SARBANES-OXLEY ACT OF 2002

I, Steven R. Mumma, certify that: 

1.I have reviewed this Quarterly Report on Form 10-Q for the quarter ended September 30, 2021 of New York Mortgage Trust, Inc.;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a)Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b)Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles; 

(c)Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d)Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5.The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

(a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

(b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date:	November 4, 2021
		/s/ Steven R. Mumma
		Steven R. Mumma
		Chairman of the Board and Chief Executive Officer (Principal Executive Officer)

EX-31.2

Exhibit 31.2

CERTIFICATION PURSUANT TO SECTION 302

OF THE SARBANES-OXLEY ACT OF 2002

I, Kristine R. Nario-Eng, certify that:

1.I have reviewed this quarterly report on Form 10-Q for the quarter ended September 30, 2021 of New York Mortgage Trust, Inc.;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a)Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b)Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles; 

(c)Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d)Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5.The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

(a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

(b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date:	November 4, 2021
		/s/ Kristine R. Nario-Eng
		Kristine R. Nario-Eng
		Chief Financial Officer (Principal Financial and Accounting Officer)

EX-32.1

Exhibit 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of New York Mortgage Trust, Inc., (the “Company”) on Form 10-Q for the quarter ended September 30, 2021, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), the undersigned hereby certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to our knowledge:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

A signed original of this written statement required by Section 906 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.

Date:	November 4, 2021
		/s/ Steven R. Mumma
		Steven R. Mumma
		Chairman of the Board and Chief Executive Officer (Principal Executive Officer)
Date:	November 4, 2021
		/s/ Kristine R. Nario-Eng
		Kristine R. Nario-Eng
		Chief Financial Officer (Principal Financial and Accounting Officer)

XML

Cover - shares	9 Months Ended
	Sep. 30, 2021	Nov. 04, 2021
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2021
Document Transition Report	false
Entity File Number	001-32216
Entity Registrant Name	NEW YORK MORTGAGE TRUST, INC.
Entity Incorporation, State or Country Code	MD
Entity Tax Identification Number	47-0934168
Entity Address, Address Line One	90 Park Avenue
Entity Address, City or Town	New York
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	10016
City Area Code	212
Local Phone Number	792-0107
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding (in shares)		379,286,475
Current Fiscal Year End Date	--12-31
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Entity Central Index Key	0001273685
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q3
Common Stock, par value $0.01 per share
Document Information [Line Items]
Title of 12(b) Security	Common Stock, par value $0.01 per share
Trading Symbol	NYMT
Security Exchange Name	NASDAQ
7.75% Series B Cumulative Redeemable Preferred Stock, par value $0.01 per share, $25.00 Liquidation Preference
Document Information [Line Items]
Title of 12(b) Security	7.75% Series B Cumulative Redeemable Preferred Stock, par value $0.01 per share, $25.00 Liquidation Preference
Trading Symbol	NYMTP
Security Exchange Name	NASDAQ
8.000% Series D Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock, par value $0.01 per share, $25.00 Liquidation Preference
Document Information [Line Items]
Title of 12(b) Security	8.000% Series D Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock, par value $0.01 per share, $25.00 Liquidation Preference
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7.875% Series E Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock, par value $0.01 per share, $25.00 Liquidation Preference
Document Information [Line Items]
Title of 12(b) Security	7.875% Series E Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock, par value $0.01 per share, $25.00 Liquidation Preference
Trading Symbol	NYMTM
Security Exchange Name	NASDAQ
6.875% Series F Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock, par value $0.01 per share, $25.00 Liquidation Preference
Document Information [Line Items]
Title of 12(b) Security	6.875% Series F Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock, par value $0.01 per share, $25.00 Liquidation Preference
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CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands		Sep. 30, 2021	Dec. 31, 2020
ASSETS
Investment securities available for sale, at fair value		$ 448,093	$ 724,726
Equity investments, at fair value		255,014	259,095
Cash and cash equivalents		408,785	293,183
Operating real estate, net		270,606	50,532
Other assets		136,692	115,292
Total Assets	[1]	4,912,809	4,655,587
Liabilities:
Convertible notes		137,240	135,327
Senior unsecured notes		96,540	0
Subordinated debentures		45,000	45,000
Mortgages payable on operating real estate, net		200,720	36,752
Other liabilities		121,256	101,746
Total Liabilities	[1]	2,550,390	2,348,014
Commitments and Contingencies
Stockholders' Equity:
Preferred stock, par value $0.01 per share, 32,050,000 and 30,900,000 shares authorized as of September 30, 2021 and December 31, 2020, respectively, 22,441,081 and 20,872,888 shares issued and outstanding as of September 30, 2021 and December 31, 2020, respectively ($561,027 and $521,822 aggregate liquidation preference as of September 30, 2021 and December 31, 2020, respectively)		542,232	504,765
Common stock, par value $0.01 per share, 800,000,000 shares authorized, 379,286,475 and 377,744,476 shares issued and outstanding as of September 30, 2021 and December 31, 2020, respectively		3,793	3,777
Additional paid-in capital		2,353,483	2,342,934
Accumulated other comprehensive income		2,041	994
Accumulated deficit		(543,756)	(551,268)
Company's stockholders' equity		2,357,793	2,301,202
Non-controlling interest in consolidated variable interest entities		4,626	6,371
Total equity		2,362,419	2,307,573
Total Liabilities and Stockholders' Equity		4,912,809	4,655,587
Repurchase agreements
Liabilities:
Repurchase agreements		334,556	405,531
Collateralized Debt Obligations
Liabilities:
Collateralized debt obligations ($904,976 at fair value and $710,102 at amortized cost, net as of September 30, 2021 and $1,054,335 at fair value and $569,323 at amortized cost, net as of December 31, 2020)		1,615,078	1,623,658
Residential loans, at fair value
ASSETS
Residential loans, at fair value		3,273,807	3,049,166
Multi-family loans
ASSETS
Multi-family loans, at fair value		$ 119,812	$ 163,593

[1] Our condensed consolidated balance sheets include assets and liabilities of consolidated variable interest entities ("VIEs") as the Company is the primary beneficiary of these VIEs. As of September 30, 2021 and December 31, 2020, assets of consolidated VIEs totaled $2,217,348 and $2,150,984, respectively, and the liabilities of consolidated VIEs totaled $1,793,066 and $1,667,306, respectively. See Note 7 for further discussion.

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CONDENSED CONSOLIDATED BALANCE SHEETS - (Parenthetical) - USD ($)		Sep. 30, 2021	Dec. 31, 2020
Preferred stock, shares authorized (in shares)			30,900,000
Common stock, par value (in usd per share)		$ 0.01	$ 0.01
Common stock, shares authorized (in shares)		800,000,000	800,000,000
Common stock, shares, issued (in shares)		379,286,475	377,744,476
Common stock, shares outstanding (in shares)		379,286,475	377,744,476
Assets	[1]	$ 4,912,809,000	$ 4,655,587,000
Liabilities	[1]	$ 2,550,390,000	$ 2,348,014,000
Preferred Stock, Series Shares
Preferred stock, par value (in usd per share)		$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)		32,050,000	30,900,000
Preferred stock, shares issued (in shares)		22,441,081	20,872,888
Preferred stock, shares outstanding (in shares)		22,441,081	20,872,888
Preferred Stock, aggregate liquidation preference		$ 561,027,000	$ 521,822,000
VIE, Primary Beneficiary
Assets		2,217,348,000	2,150,984,000
Liabilities		1,793,066,000	1,667,306,000
Residential Collateralized Debt Obligations, at Fair Value
Collateralized debt, carrying value		904,976,000	1,054,335,000
Residential Collateralized Debt Obligations, at Fair Value | VIE, Primary Beneficiary
Collateralized debt, carrying value		904,976,000	1,054,335,000
Residential collateralized debt obligations
Collateralized debt, carrying value		710,102,000	569,323,000
Residential collateralized debt obligations | VIE, Primary Beneficiary
Collateralized debt, carrying value		$ 710,102,000	$ 569,323,000

[1] Our condensed consolidated balance sheets include assets and liabilities of consolidated variable interest entities ("VIEs") as the Company is the primary beneficiary of these VIEs. As of September 30, 2021 and December 31, 2020, assets of consolidated VIEs totaled $2,217,348 and $2,150,984, respectively, and the liabilities of consolidated VIEs totaled $1,793,066 and $1,667,306, respectively. See Note 7 for further discussion.

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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
NET INTEREST INCOME:
Interest income	$ 52,323	$ 45,358	$ 154,548	$ 303,941
Interest expense	21,292	19,829	61,702	202,807
Total net interest income	31,031	25,529	92,846	101,134
NON-INTEREST INCOME (LOSS):
Realized gains (losses), net	8,314	(1,067)	20,361	(149,919)
Realized loss on de-consolidation of Consolidated K-Series	0	0	0	(54,118)
Unrealized gains (losses), net	30,138	81,198	80,157	(212,711)
Income from equity investments	8,015	9,966	22,021	14,573
Impairment of goodwill	0	0	0	(25,222)
Income from operating real estate	3,980	0	7,626	0
Other loss	(1,035)	431	2,244	337
Total non-interest income (loss)	49,412	90,528	132,409	(427,060)
GENERAL, ADMINISTRATIVE AND OPERATING EXPENSES:
General and administrative expenses	12,458	10,159	36,419	32,570
Expenses related to operating real estate	8,549	0	15,386	0
Portfolio operating expenses	7,039	3,265	18,558	8,812
Total general, administrative and operating expenses	28,046	13,424	70,363	41,382
INCOME (LOSS) FROM OPERATIONS BEFORE INCOME TAXES	52,397	102,633	154,892	(367,308)
Income tax expense (benefit)	1,215	(772)	1,296	917
NET INCOME (LOSS)	51,182	103,405	153,596	(368,225)
Net loss (income) attributable to non-controlling interest in consolidated variable interest entities	394	(1,764)	3,428	(704)
NET INCOME (LOSS) ATTRIBUTABLE TO COMPANY	51,576	101,641	157,024	(368,929)
Preferred stock dividends	(11,272)	(10,297)	(31,865)	(30,890)
Preferred stock redemption charge	(3,443)	0	(3,443)	0
NET INCOME (LOSS) ATTRIBUTABLE TO COMPANY'S COMMON STOCKHOLDERS	$ 36,861	$ 91,344	$ 121,716	$ (399,819)
Basic earnings (loss) per common share (in dollars per share)	$ 0.10	$ 0.24	$ 0.32	$ (1.08)
Diluted earnings (loss) per common share (in dollars per share)	$ 0.10	$ 0.23	$ 0.32	$ (1.08)
Weighted average shares outstanding-basic (in shares)	379,395	377,744	379,193	368,740
Weighted average shares outstanding-diluted (in shares)	380,983	399,709	381,105	368,740

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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Statement [Abstract]
NET INCOME (LOSS) ATTRIBUTABLE TO COMPANY'S COMMON STOCKHOLDERS	$ 36,861	$ 91,344	$ 121,716	$ (399,819)
OTHER COMPREHENSIVE (LOSS) INCOME
Increase (decrease) in fair value of available for sale securities	637	12,645	5,062	(44,408)
Reclassification adjustment for net (gain) loss included in net income (loss)	(6,045)	9,845	(4,015)	7,338
TOTAL OTHER COMPREHENSIVE (LOSS) INCOME	(5,408)	22,490	1,047	(37,070)
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO COMPANY'S COMMON STOCKHOLDERS	$ 31,453	$ 113,834	$ 122,763	$ (436,889)

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CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Total Company Stockholders' Equity	Common Stock	Preferred Stock	Additional Paid-In Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)	Non-Controlling Interest in Consolidated VIEs	Cumulative Effect, Period of Adoption, Adjustment	Cumulative Effect, Period of Adoption, Adjustment Total Company Stockholders' Equity	Cumulative Effect, Period of Adoption, Adjustment Accumulated Deficit
Beginning balance at Dec. 31, 2019	$ 2,205,029	$ 2,205,733	$ 2,914	$ 504,765	$ 1,821,785	$ (148,863)	$ 25,132	$ (704)	$ 12,284	$ 12,284	$ 12,284
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(368,225)	(368,929)				(368,929)		704
Common stock issuance, net	511,906	511,906	851		511,055
Stock based compensation expense, net	7,567	7,567	12		7,555
Dividends declared on common stock	(47,218)	(47,218)				(47,218)
Dividends declared on preferred stock	(30,890)	(30,890)				(30,890)
Reclassification adjustment for net gain included in net income	7,338	7,338					7,338
Increase (decrease) in fair value of available for sale securities	(44,408)	(44,408)					(44,408)
Ending balance at Sep. 30, 2020	2,253,383	2,253,383	3,777	504,765	2,340,395	(583,616)	(11,938)	0
Beginning balance at Jun. 30, 2020	2,162,941	2,164,705	3,775	504,765	2,337,222	(646,629)	(34,428)	(1,764)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	103,405	101,641				101,641		1,764
Stock based compensation expense, net	3,175	3,175	2		3,173
Dividends declared on common stock	(28,331)	(28,331)				(28,331)
Dividends declared on preferred stock	(10,297)	(10,297)				(10,297)
Reclassification adjustment for net gain included in net income	9,845	9,845					9,845
Increase (decrease) in fair value of available for sale securities	12,645	12,645					12,645
Ending balance at Sep. 30, 2020	2,253,383	2,253,383	3,777	504,765	2,340,395	(583,616)	(11,938)	0
Beginning balance at Dec. 31, 2020	2,307,573	2,301,202	3,777	504,765	2,342,934	(551,268)	994	6,371
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	153,596	157,024				157,024		(3,428)
Preferred stock issuance, net	138,569	138,569		138,569
Preferred stock redemption	(104,545)	(104,545)		(101,102)		(3,443)
Stock based compensation expense, net	7,145	7,145	16		7,129
Dividends declared on common stock	(113,809)	(113,809)				(113,809)
Dividends declared on preferred stock	(31,865)	(31,865)				(31,865)
Dividends attributable to dividend equivalents	(395)	(395)				(395)
Reclassification adjustment for net gain included in net income	(4,015)	(4,015)					(4,015)
Increase (decrease) in fair value of available for sale securities	5,062	5,062					5,062
Increase in non-controlling interest related to initial consolidation of VIEs	5,127							5,127
Decrease in non-controlling interest related to redemptions by and distributions from Consolidated VIEs	(24)	3,420			3,420			(3,444)
Ending balance at Sep. 30, 2021	2,362,419	2,357,793	3,793	542,232	2,353,483	(543,756)	2,041	4,626
Beginning balance at Jun. 30, 2021	2,326,359	2,321,161	3,794	504,765	2,347,753	(542,600)	7,449	5,198
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	51,182	51,576				51,576		(394)
Preferred stock issuance, net	138,569	138,569		138,569
Preferred stock redemption	(104,545)	(104,545)		(101,102)		(3,443)
Stock based compensation expense, net	2,309	2,309	(1)		2,310
Dividends declared on common stock	(37,940)	(37,940)				(37,940)
Dividends declared on preferred stock	(11,272)	(11,272)				(11,272)
Dividends attributable to dividend equivalents	(77)	(77)				(77)
Reclassification adjustment for net gain included in net income	(6,045)	(6,045)					(6,045)
Increase (decrease) in fair value of available for sale securities	637	637					637
Increase in non-controlling interest related to initial consolidation of VIEs	3,252							3,252
Decrease in non-controlling interest related to redemptions by and distributions from Consolidated VIEs	(10)	3,420			3,420			(3,430)
Ending balance at Sep. 30, 2021	$ 2,362,419	$ 2,357,793	$ 3,793	$ 542,232	$ 2,353,483	$ (543,756)	$ 2,041	$ 4,626

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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Cash Flows from Operating Activities:
Net income (loss)	$ 153,596	$ (368,225)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Net amortization	35,489	3,675
Realized (gains) losses, net	(20,361)	149,919
Realized loss on de-consolidation of Consolidated K-Series	0	54,118
Unrealized (gains) losses, net	(80,157)	212,711
Impairment of goodwill	0	25,222
Impairment of real estate under development in Consolidated VIEs	0	1,754
Loss on extinguishment of collateralized debt obligations	1,583	0
Income from preferred equity, mezzanine loan and equity investments	(36,144)	(30,963)
Distributions of income from preferred equity, mezzanine loan and equity investments	37,469	17,285
Stock based compensation expense, net	7,145	7,567
Changes in operating assets and liabilities:
Other assets	(35,825)	70,863
Other liabilities	15,204	(67,334)
Net cash provided by operating activities	77,999	76,592
Cash Flows from Investing Activities:
Proceeds from sales of investment securities	248,458	1,815,369
Principal paydowns received on investment securities	85,379	162,277
Purchases of investment securities	(53,711)	(448,093)
Principal repayments received on preferred equity and mezzanine loan investments	50,150	11,243
Return of capital from equity investments	50,275	17,432
Funding of preferred equity, mezzanine loan and equity investments	(53,200)	(49,663)
Funding of joint venture investments in Consolidated VIEs	(65,195)	0
Net payments made on derivative instruments settled during the period	0	(28,233)
Proceeds from sale of real estate owned	6,185	3,791
Cash received from initial consolidation of VIEs	3,716	0
Purchases of and capital expenditures on operating real estate	(13,466)	0
Distributions to non-controlling interest in Consolidated VIEs	(24)	0
Purchases of other assets	(88)	(431)
Net cash provided by investing activities	109,494	2,430,671
Cash Flows from Financing Activities:
Net payments made on repurchase agreements	(72,498)	(2,434,447)
Proceeds from issuance of senior unsecured notes, net	96,267	0
Proceeds from issuance of collateralized debt obligations, net	433,241	350,052
Common stock issuance, net	0	511,924
Preferred stock issuance, net	138,569	0
Redemption of preferred stock	(104,545)	0
Dividends paid on common stock and dividend equivalents	(113,676)	(77,161)
Dividends paid on preferred stock	(31,233)	(30,768)
Payments made on and extinguishment of collateralized debt obligations	(295,109)	(33,197)
Payments made on Consolidated K-Series CDOs	0	(147,376)
Payments made on Consolidated SLST CDOs	(113,834)	(63,278)
Proceeds received from mortgages payable on operating real estate	1,518	0
Net cash used in financing activities	(61,300)	(1,924,251)
Net Increase in Cash, Cash Equivalents and Restricted Cash	126,193	583,012
Cash, Cash Equivalents and Restricted Cash - Beginning of Period	304,490	121,612
Cash, Cash Equivalents and Restricted Cash - End of Period	430,683	704,624
Supplemental Disclosure:
Cash paid for interest	54,470	277,087
Cash paid for income taxes	6	1,521
Non-Cash Investment Activities:
Transfer from residential loans to real estate owned	3,787	6,558
Non-Cash Financing Activities:
Redemption of non-controlling interest by Consolidated VIE	3,420	0
Cash, Cash Equivalents and Restricted Cash Reconciliation:
Cash and cash equivalents	408,785	649,822
Restricted cash included in other assets	21,898	54,802
Total cash, cash equivalents, and restricted cash	430,683	704,624
Common Stock
Non-Cash Financing Activities:
Dividends declared on stock to be paid in subsequent period	38,302	28,331
Preferred Stock
Non-Cash Financing Activities:
Dividends declared on stock to be paid in subsequent period	10,929	10,297
Multi-family Loans Held In Consolidated K-Series
Cash Flows from Investing Activities:
Proceeds from sales resulting in de-consolidation of Consolidated K-Series	0	555,218
Non-Cash Investment Activities:
De-consolidation of multi-family loans held in Consolidated K-Series and Consolidated K-Series CDOs	0	17,381,483
Consolidated K-Series
Non-Cash Investment Activities:
De-consolidation of multi-family loans held in Consolidated K-Series and Consolidated K-Series CDOs	0	16,612,093
Residential loans
Cash Flows from Investing Activities:
Principal repayments received on loans	759,150	307,522
Proceeds from sales of residential loans	67,452	93,755
Purchases of residential loans	(975,587)	(249,312)
Multi-family Loans Held In Consolidated K-Series
Cash Flows from Investing Activities:
Principal repayments received on loans	$ 0	$ 239,796

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Organization

9 Months Ended

Sep. 30, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Organization

Organization

New York Mortgage Trust, Inc., together with its consolidated subsidiaries (“NYMT,” “we,” “our,” or the “Company”), is a real estate investment trust ("REIT") in the business of acquiring, investing in, financing and managing primarily mortgage-related single-family and multi-family residential assets. Our objective is to deliver long-term stable distributions to our stockholders over changing economic conditions through a combination of net interest margin and capital gains from a diversified investment portfolio. Our investment portfolio includes credit sensitive single-family and multi-family assets.

The Company conducts its business through the parent company, New York Mortgage Trust, Inc., and several subsidiaries, including taxable REIT subsidiaries (“TRSs”), qualified REIT subsidiaries (“QRSs”) and special purpose subsidiaries established for securitization purposes. The Company consolidates all of its subsidiaries under generally accepted accounting principles in the United States of America (“GAAP”).

The Company is organized and conducts its operations to qualify as a REIT for U.S. federal income tax purposes. As such, the Company will generally not be subject to federal income taxes on that portion of its income that is distributed to stockholders if it distributes at least 90% of its REIT taxable income to its stockholders by the due date of its federal income tax return and complies with various other requirements.

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Summary of Significant Accounting Policies

9 Months Ended

Sep. 30, 2021

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

Summary of Significant Accounting Policies

Definitions – The following defines certain of the commonly used terms in these financial statements: 

“RMBS” refers to residential mortgage-backed securities backed by adjustable-rate, hybrid adjustable-rate, or fixed-rate residential loans;

“Agency RMBS” refers to RMBS representing interests in or obligations backed by pools of residential loans guaranteed by a government sponsored enterprise (“GSE”), such as the Federal National Mortgage Association (“Fannie Mae”) or the Federal Home Loan Mortgage Corporation (“Freddie Mac”), or an agency of the U.S. government, such as the Government National Mortgage Association (“Ginnie Mae”);

“non-Agency RMBS” refers to RMBS that are not guaranteed by any agency of the U.S. Government or GSE;

“IOs” refers collectively to interest only and inverse interest only mortgage-backed securities that represent the right to the interest component of the cash flow from a pool of mortgage loans;

“POs” refers to mortgage-backed securities that represent the right to the principal component of the cash flow from a pool of mortgage loans;

“ARMs” refers to adjustable-rate residential loans;

“Agency ARMs” refers to Agency RMBS comprised of adjustable-rate and hybrid adjustable-rate RMBS;

“Agency fixed-rate RMBS” refers to Agency RMBS comprised of fixed-rate RMBS;

“ABS” refers to debt and/or equity tranches of securitizations backed by various asset classes including, but not limited to, automobiles, aircraft, credit cards, equipment, franchises, recreational vehicles and student loans;

“CMBS” refers to commercial mortgage-backed securities comprised of commercial mortgage pass-through securities issued by a GSE, as well as PO, IO or mezzanine securities that represent the right to a specific component of the cash flow from a pool of commercial mortgage loans;

“Agency CMBS” refers to CMBS representing interests or obligations backed by pools of mortgage loans guaranteed by a GSE, such as Fannie Mae or Freddie Mac;

“multi-family CMBS” refers to CMBS backed by commercial mortgage loans on multi-family properties;

“CDO” refers to collateralized debt obligation and includes debt that permanently finances the residential loans held in Consolidated SLST, multi-family loans held in the Consolidated K-Series and the Company's residential loans held in securitization trusts and non-Agency RMBS re-securitization that we consolidate, or consolidated, in our financial statements in accordance with GAAP;

“business purpose loans” refers to short-term loans collateralized by residential properties made to investors who intend to rehabilitate and sell the residential property for a profit;

“Consolidated SLST” refers to a Freddie Mac-sponsored residential loan securitization, comprised of seasoned re-performing and non-performing residential loans, of which we own or owned the first loss subordinated securities and certain IOs and senior securities that we consolidate in our financial statements in accordance with GAAP;

“Consolidated K-Series” refers to Freddie Mac-sponsored multi-family loan K-Series securitizations, of which we, or one of our “special purpose entities,” or “SPEs,” owned the first loss POs, certain IOs and certain senior or mezzanine securities that we consolidated in our financial statements in accordance with GAAP prior to disposition; and

“SOFR” refers to Secured Overnight Funding Rate.

Basis of Presentation – The accompanying condensed consolidated balance sheet as of December 31, 2020 has been derived from audited financial statements. The accompanying condensed consolidated balance sheet as of September 30, 2021, the accompanying condensed consolidated statements of operations for the three and nine months ended September 30, 2021 and 2020, the accompanying condensed consolidated statements of comprehensive income for the three and nine months ended September 30, 2021 and 2020, the accompanying condensed consolidated statements of changes in stockholders’ equity for the three and nine months ended September 30, 2021 and 2020 and the accompanying condensed consolidated statements of cash flows for the nine months ended September 30, 2021 and 2020 are unaudited. In our opinion, all adjustments (which include only normal recurring adjustments) necessary to present fairly the Company’s financial position, results of operations and cash flows have been made. Certain information and footnote disclosures normally included in financial statements prepared in accordance with GAAP have been condensed or omitted in accordance with Article 10 of Regulation S-X and the instructions to Form 10-Q. These condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in our Annual Report on Form 10-K for the year ended December 31, 2020, as filed with the U.S. Securities and Exchange Commission (“SEC”). Accordingly, significant accounting policies and other disclosures have been omitted since such items are disclosed in Note 2 in the audited consolidated financial statements and notes thereto included in our Annual Report on Form 10-K for the year ended December 31, 2020. Provided in this section is a summary of additional accounting policies that are significant to, or newly adopted by, the Company for the three and nine months ended September 30, 2021. The results of operations for the three and nine months ended September 30, 2021 are not necessarily indicative of the operating results for the full year.

The accompanying condensed consolidated financial statements have been prepared on the accrual basis of accounting in accordance with GAAP. The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Management has made significant estimates in several areas, including fair valuation of its residential loans, multi-family loans, certain equity investments and Consolidated SLST CDOs. Although the Company’s estimates contemplate current conditions and how it expects those conditions to change in the future, it is reasonably possible that actual conditions could be different than anticipated in those estimates, which could materially impact the Company’s results of operations and its financial condition.

The COVID-19 pandemic and resulting emergency measures have led (and may continue to lead) to significant disruptions in the global supply chain, global capital markets, the economy of the U.S. and the economies of other countries impacted by COVID-19. The fluidity of this situation precludes any prediction as to the ultimate adverse impact of COVID-19 on economic and market conditions. The Company believes the estimates and assumptions underlying our condensed consolidated financial statements are reasonable and supportable based on the information available as of September 30, 2021; however, uncertainty over the ultimate impact COVID-19 will have on the global economy generally, and our business in particular, makes any estimates and assumptions as of September 30, 2021 inherently less certain than they would be absent the current and potential impacts of COVID-19. Accordingly, it is reasonably possible that actual conditions could be different than anticipated in those estimates, which could materially impact the Company’s results of operations and its financial condition.

Reclassifications – Certain prior period amounts have been reclassified in the accompanying condensed consolidated financial statements to conform to current period presentation.

Principles of Consolidation and Variable Interest Entities – The accompanying condensed consolidated financial statements of the Company include the accounts of all its subsidiaries which are majority-owned, controlled by the Company or a variable interest entity (“VIE”) where the Company is the primary beneficiary. All significant intercompany accounts and transactions have been eliminated in consolidation.

A VIE is an entity that lacks one or more of the characteristics of a voting interest entity. A VIE is defined as an entity in which equity investors do not have the characteristics of a controlling financial interest or do not have sufficient equity at risk for the entity to finance its activities without additional subordinated financial support from other parties. The Company consolidates a VIE when it is the primary beneficiary of such VIE, herein referred to as a "Consolidated VIE". As primary beneficiary, the Company has both the power to direct the activities that most significantly impact the economic performance of the VIE and a right to receive benefits or absorb losses of the entity that could be potentially significant to the VIE. The Company is required to reconsider its evaluation of whether to consolidate a VIE each reporting period, based upon changes in the facts and circumstances pertaining to the VIE.

Goodwill – Goodwill is not amortized but is evaluated for impairment on an annual basis, or more frequently if the Company believes indicators of impairment exist, by initially performing a qualitative screen and, if necessary, then comparing fair value of the reporting unit to its carrying value, including goodwill. If the fair value of the reporting unit is less than the carrying value, an impairment charge for the amount by which the carrying amount exceeds the reporting unit’s fair value (in an amount not to exceed the total amount of goodwill allocated to the reporting unit) is recognized.

In the first quarter of 2020, financial, credit and mortgage-related asset markets experienced significant volatility as a result of the spread of COVID-19, which in turn put significant pressure on the mortgage REIT industry, including financing operations, mortgage asset pricing and liquidity demands. In response to these conditions and the Company's intention to improve its liquidity, in March 2020, the Company sold, among other things, its entire portfolio of first loss POs issued by the Consolidated K-Series, certain senior and mezzanine securities issued by the Consolidated K-Series, Agency CMBS and CMBS that were held by its multi-family investment reporting unit. As a result of the sales, the Company re-evaluated its goodwill balance associated with the multi-family investment reporting unit for impairment. The Company considered qualitative indicators such as macroeconomic conditions, disruptions in equity and credit markets, REIT-specific market considerations, and changes in the net assets in the multi-family investment reporting unit to determine that a quantitative assessment of the fair value of the reporting unit was necessary. The Company performed its quantitative analysis by updating its discounted cash flow projection for the multi-family investment reporting unit for the reduced investment portfolio. This analysis yielded an impairment of the entire goodwill balance related to the Company's multi-family investment reporting unit reported as a $25.2 million impairment of goodwill on the accompanying condensed consolidated statements of operations for the nine months ended September 30, 2020.

Other Assets – Other assets as of September 30, 2021 and December 31, 2020 include restricted cash held by third parties, including cash held by the Company's securitization trusts, of $21.9 million and $11.3 million, respectively. Other assets includes collections receivable from loan servicers, recoverable advances and interest receivable on residential loans totaling $54.4 million and $63.6 million as of September 30, 2021 and December 31, 2020, respectively. Also included in other assets are operating lease right of use assets of $9.3 million and $10.1 million as of September 30, 2021 and December 31, 2020, respectively (with corresponding operating lease liabilities of $9.9 million and $10.6 million as of September 30, 2021 and December 31, 2020, respectively, included in other liabilities in the accompanying condensed consolidated balance sheets). Net lease intangibles, escrow balances, prepaid expenses and receivables in Consolidated VIEs and a wholly-owned subsidiary that owns a multi-family apartment community totaling $19.6 million and $3.0 million as of September 30, 2021 and December 31, 2020, respectively, are also included in other assets.

Summary of Recent Accounting Pronouncements

In March 2020, the FASB issued ASU 2020-04, Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting ("ASU 2020-04"). ASU 2020-04 provides optional expedients and exceptions to GAAP requirements for modifications to debt agreements, leases, derivatives and other contracts, related to the expected market transition from LIBOR, and certain other floating rate benchmark indices, or collectively, IBORs, to alternative reference rates. ASU 2020-04 generally considers contract modifications related to reference rate reform to be an event that does not require contract remeasurement at the modification date nor a reassessment of a previous accounting determination. In January 2021, the FASB issued ASU 2021-01, Reference Rate Reform (Topic 848): Scope ("ASU 2021-01"). ASU 2021-01 clarifies that certain optional expedients and exceptions in Topic 848 for contract modifications and hedge accounting apply to derivatives that are affected by the "discounting transition" (i.e., changes in the interest rates used for margining, discounting, or contract price alignment for derivative instruments that are being implemented as part of the market-wide transition to new reference rates). The guidance in ASU 2020-04 is optional and may be elected over time, through December 31, 2022, as reference rate reform activities occur. Once ASU 2020-04 is elected, the guidance must be applied prospectively for all eligible contract modifications. The amendments in ASU 2021-01 are effective immediately and may be applied on a full retrospective basis as of any date from the beginning of an interim period that includes or is subsequent to March 12, 2020 or on a prospective basis for eligible contract modifications through December 31, 2022. The Company continues to evaluate the impact of ASU 2020-04 and ASU 2021-01 and may apply elections, as applicable, as the expected market transition from IBORs to alternative reference rates continues to develop.

In August 2020, the FASB issued ASU 2020-06, Debt - Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging - Contracts in Entity's Own Equity (Subtopic 815-40): Accounting for Convertible Instruments and Contracts in an Entity's Own Equity ("ASU 2020-06"). ASU 2020-06 simplifies an issuer's accounting for convertible instruments, enhances disclosure requirements for convertible instruments and modifies how particular convertible instruments and certain instruments that may be settled in cash or shares impact the diluted earnings per share computation. Entities may adopt the guidance through either a modified retrospective method of transition or a fully retrospective method of transition. The amendments are effective for public entities for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2021. Early adoption is permitted, but no earlier than fiscal years, and interim periods within those fiscal years, beginning after December 15, 2020. The Company does not anticipate that the implementation of ASU 2020-06 will have a material impact on its consolidated financial statements or notes thereto.

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Residential Loans, at Fair Value

9 Months Ended

Sep. 30, 2021

SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Abstract]

Residential Loans, at Fair Value

Residential Loans, at Fair Value

The Company’s acquired residential loans, including performing, re-performing and non-performing residential loans, and business purpose loans, are presented at fair value on the Company's condensed consolidated balance sheets as a result of a fair value election. Subsequent changes in fair value are reported in current period earnings and presented in unrealized gains (losses), net on the Company’s condensed consolidated statements of operations.

The following table presents the Company’s residential loans, at fair value, which consist of residential loans held by the Company, Consolidated SLST and other securitization trusts, as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	September 30, 2021								December 31, 2020
	Residential loans (1)		Consolidated SLST (2)		Residential loans held in securitization trusts (3)		Total		Residential loans (1)		Consolidated SLST (2)		Residential loans held in securitization trusts (3)		Total
Principal	$	1,307,557	$	1,118,001	$	792,466	$	3,218,024	$	1,097,528	$	1,231,669	$	696,543	$	3,025,740
(Discount)/premium	(43,303)		(2,190)		(36,644)		(82,137)		(42,259)		1,337		(41,506)		(82,428)
Unrealized gains	60,965		21,194		55,761		137,920		35,661		33,779		36,414		105,854
Carrying value	$	1,325,219	$	1,137,005	$	811,583	$	3,273,807	$	1,090,930	$	1,266,785	$	691,451	$	3,049,166

(1)Certain of the Company's residential loans, at fair value are pledged as collateral for repurchase agreements as of September 30, 2021 and December 31, 2020 (see Note 10).

(2)The Company invests in first loss subordinated securities and certain IOs issued by a Freddie Mac-sponsored residential loan securitization. In accordance with GAAP, the Company has consolidated the underlying seasoned re-performing and non-performing residential loans held in the securitization and the CDOs issued to permanently finance these residential loans, representing Consolidated SLST. Consolidated SLST CDOs are included in collateralized debt obligations on the Company's condensed consolidated balance sheets.

(3)The Company's residential loans held in securitization trusts are pledged as collateral for CDOs issued by the Company. These CDOs are accounted for as financings and included in collateralized debt obligations on the Company's condensed consolidated balance sheets (see Note 11).

The following table presents the unrealized gains (losses), net attributable to residential loans, at fair value for the three and nine months ended September 30, 2021 and 2020, respectively (dollar amounts in thousands):

	Three Months Ended
	September 30, 2021						September 30, 2020
	Residential loans		Consolidated SLST (1)		Residential loans held in securitization trusts		Residential loans		Consolidated SLST (1)		Residential loans held in securitization trusts
Unrealized gains (losses), net	$	8,280	$	6,287	$	11,794	$	25,583	$	41,063	$	10,143

	Nine Months Ended
	September 30, 2021						September 30, 2020
	Residential loans		Consolidated SLST (1)		Residential loans held in securitization trusts		Residential loans		Consolidated SLST (1)		Residential loans held in securitization trusts
Unrealized gains (losses), net	$	15,715	$	(12,585)	$	28,936	$	(17,899)	$	28,014	$	8,418

(1)In accordance with the practical expedient in ASC 810, Consolidation ("ASC 810") the Company determines the fair value of the residential loans held in Consolidated SLST based on the fair value of the CDOs issued by Consolidated SLST, including investment securities we own, as the fair value of these instruments is more observable (see Note 14). See Note 7 for unrealized gains (losses), net recognized by the Company on its investment in Consolidated SLST, which include unrealized gains (losses) on the residential loans held in Consolidated SLST presented in the table above and unrealized gains (losses) on the CDOs issued by Consolidated SLST.

The Company recognized $0.9 million and $1.4 million of net realized gains on the sale of residential loans, at fair value for the three and nine months ended September 30, 2021. The Company recognized $18.2 million of net realized losses on the sale of residential loans, at fair value during the nine months ended September 30, 2020. The Company also recognized $5.5 million and $13.7 million of net realized gains on the payoff of residential loans, at fair value for the three and nine months ended September 30, 2021. The Company recognized $2.4 million and $6.5 million of net realized gains on the payoff of residential loans, at fair value during the three and nine months ended September 30, 2020, respectively.

The geographic concentrations of credit risk exceeding 5% of the unpaid principal balance of residential loans, at fair value as of September 30, 2021 and December 31, 2020, respectively, are as follows:

	September 30, 2021						December 31, 2020
	Residential loans		Consolidated SLST		Residential loans held in securitization trusts		Residential loans		Consolidated SLST		Residential loans held in securitization trusts
California	22.3	%	10.8	%	23.0	%	23.6	%	10.9	%	19.8	%
Florida	10.9	%	10.6	%	10.0	%	13.1	%	10.5	%	8.1	%
New York	8.2	%	9.5	%	9.1	%	9.2	%	9.3	%	8.9	%
New Jersey	6.4	%	7.2	%	6.1	%	5.6	%	7.1	%	5.6	%
Texas	6.5	%	3.9	%	4.3	%	5.6	%	4.0	%	4.3	%
Illinois	3.1	%	6.9	%	2.2	%	2.5	%	6.8	%	2.7	%

The following table presents the fair value and aggregate unpaid principal balance of the Company's residential loans and residential loans held in securitization trusts in non-accrual status as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	Greater than 90 days past due				Less than 90 days past due
	Fair Value		Unpaid Principal Balance		Fair Value		Unpaid Principal Balance
September 30, 2021	$	102,688	$	115,169	$	16,969	$	17,241
December 31, 2020	149,444		169,553		16,057		17,748

Residential loans held in Consolidated SLST with an aggregate unpaid principal balance of $147.8 million and $236.7 million were 90 days or more delinquent as of September 30, 2021 and December 31, 2020, respectively.

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Multi-family Loans, at Fair Value

9 Months Ended

Sep. 30, 2021

Receivables [Abstract]

Multi-family Loans, at Fair Value

Multi-family Loans, at Fair Value

The Company's multi-family loans consisting of its preferred equity in, and mezzanine loans to, entities that have multi-family real estate assets are presented at fair value on the Company's condensed consolidated balance sheets as a result of a fair value election. Accordingly, changes in fair value are presented in unrealized gains (losses), net on the Company's condensed consolidated statements of operations. Preferred equity and mezzanine loan investments consist of the following as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	September 30, 2021		December 31, 2020
Investment amount	$	118,517	$	163,392
Deferred loan fees, net	(763)		(1,169)
Unrealized gains, net	2,058		1,370
Total, at Fair Value	$	119,812	$	163,593

For the three and nine months ended September 30, 2021, the Company recognized $0.4 million and $0.7 million in net unrealized gains on preferred equity and mezzanine loan investments, respectively. For the three and nine months ended September 30, 2020, the Company recognized $0.9 million and $6.6 million in net unrealized losses on preferred equity and mezzanine loan investments, respectively.

For the three and nine months ended September 30, 2021, the Company recognized $0.1 million and $2.1 million in preferred equity and mezzanine loan premiums resulting from early redemption, respectively. For the three and nine months ended September 30, 2020, the Company recognized $0.4 million and $0.5 million in preferred equity and mezzanine loan premiums resulting from early redemption, respectively.

The table below presents the fair value and aggregate unpaid principal balance of the Company's preferred equity and mezzanine loan investments in non-accrual status as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	September 30, 2021				December 31, 2020
Days Late	Fair Value		Unpaid Principal Balance		Fair Value		Unpaid Principal Balance
90 +	$	3,829	$	3,363	$	3,325	$	3,363

The geographic concentrations of credit risk exceeding 5% of the total preferred equity and mezzanine loan investment amounts as of September 30, 2021 and December 31, 2020, respectively, are as follows:

	September 30, 2021		December 31, 2020
Texas	17.7	%	11.4	%
Tennessee	17.2	%	14.3	%
Florida	12.1	%	8.5	%
South Carolina	10.3	%	7.2	%
Georgia	7.3	%	10.1	%
Ohio	7.2	%	5.2	%
North Carolina	6.9	%	4.9	%

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Investment Securities Available for Sale, at Fair Value

9 Months Ended

Sep. 30, 2021

Investments, Debt and Equity Securities [Abstract]

Investment Securities Available for Sale, at Fair Value

Investment Securities Available for Sale, at Fair Value

The Company accounts for certain of its investment securities available for sale using the fair value election pursuant to ASC 825, Financial Instruments ("ASC 825"), where changes in fair value are recorded in unrealized gains (losses), net on the Company's condensed consolidated statements of operations. The Company also has investment securities available for sale where the fair value option has not been elected, which we refer to as CECL Securities. CECL Securities are reported at fair value with unrealized gains and losses recorded in other comprehensive income (loss) on the Company's condensed consolidated statements of comprehensive income. The Company's investment securities available for sale consisted of the following as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	September 30, 2021								December 31, 2020
	Amortized Cost		Unrealized				Fair Value		Amortized Cost		Unrealized				Fair Value
			Gains		Losses						Gains		Losses
Fair Value Option
Agency RMBS	$	129,198	$	—	$	(3,609)	$	125,589	$	138,541	$	854	$	—	$	139,395
Non-Agency RMBS (1)	108,579		1,168		(3,064)		106,683		100,465		170		(10,786)		89,849
CMBS	32,600		1,139		—		33,739		139,019		5,685		(3,731)		140,973
ABS	24,343		17,142		—		41,485		34,139		9,086		—		43,225
Total investment securities available for sale - fair value option	294,720		19,449		(6,673)		307,496		412,164		15,795		(14,517)		413,442
CECL Securities
Non-Agency RMBS (2)	115,686		2,482		(75)		118,093		266,855		4,336		(5,374)		265,817
CMBS	22,869		—		(365)		22,504		43,435		2,032		—		45,467
Total investment securities available for sale - CECL Securities	138,555		2,482		(440)		140,597		310,290		6,368		(5,374)		311,284
Total	$	433,275	$	21,931	$	(7,113)	$	448,093	$	722,454	$	22,163	$	(19,891)	$	724,726

(1)Includes non-Agency RMBS held in a securitization trust with a total fair value of $37.6 million as of December 31, 2020. During the nine months ended September 30, 2021, the Company exercised its right to an optional redemption of its non-Agency RMBS re-securitization, returning the non-Agency RMBS held by the re-securitization trust to the Company (see Note 7).

(2)Includes non-Agency RMBS held in a securitization trust with a total fair value of $71.5 million as of December 31, 2020. During the nine months ended September 30, 2021, the Company exercised its right to an optional redemption of its non-Agency RMBS re-securitization, returning the non-Agency RMBS held by the re-securitization trust to the Company (see Note 7).

Accrued interest receivable for all investment securities available for sale in the amount of $1.0 million and $2.4 million as of September 30, 2021 and December 31, 2020, respectively, is included in other assets on the Company's condensed consolidated balance sheets.

Realized Gain and Loss Activity

The following tables summarize our investment securities sold during the three months ended September 30, 2021 and 2020, respectively (dollar amounts in thousands):

	Three Months Ended September 30, 2021
	Sales Proceeds		Realized Gains		Realized Losses		Net Realized Gains (Losses)
Non-Agency RMBS	$	43,579	$	4,841	$	—	$	4,841
CMBS	89,481		5,496		(452)		5,044
Total	$	133,060	$	10,337	$	(452)	$	9,885

	Three Months Ended September 30, 2020
	Sales Proceeds		Realized Gains		Realized Losses		Net Realized Gains (Losses)
Non-Agency RMBS	$	259,493	$	141	$	(8,860)	$	(8,719)
CMBS	110,680		6,849		(705)		6,144
Total	$	370,173	$	6,990	$	(9,565)	$	(2,575)

The following tables summarize our investment securities sold during the nine months ended September 30, 2021 and 2020, respectively (dollar amounts in thousands):

	Nine Months Ended September 30, 2021
	Sales Proceeds		Realized Gains		Realized Losses		Net Realized Gains (Losses)
Non-Agency RMBS (1)	$	115,662	$	4,853	$	(833)	$	4,020
CMBS	132,796		11,083		(452)		10,631
Total	$	248,458	$	15,936	$	(1,285)	$	14,651

	Nine Months Ended September 30, 2020
	Sales Proceeds		Realized Gains		Realized Losses		Net Realized Gains (Losses)
Agency RMBS:
Agency ARMs	$	49,892	$	44	$	(4,157)	$	(4,113)
Agency Fixed-Rate (1)	943,074		5,358		(11,697)		(6,339)
Total Agency RMBS	992,966		5,402		(15,854)		(10,452)
Agency CMBS (2)	145,411		5,666		(209)		5,457
Total Agency	1,138,377		11,068		(16,063)		(4,995)
Non-Agency RMBS	428,251		435		(34,681)		(34,246)
CMBS	248,741		8,176		(30,289)		(22,113)
Total	$	1,815,369	$	19,679	$	(81,033)	$	(61,354)

(1)Includes Agency RMBS securities issued by Consolidated SLST (see Note 7).

(2)Includes Agency CMBS securities transferred from the Consolidated K-Series (see Note 7).

The Company recognized a write-down of fair value option non-Agency RMBS IOs for a realized loss of $4.8 million for the three and nine months ended September 30, 2021.

Weighted Average Life

Actual maturities of our investment securities available for sale are generally shorter than stated contractual maturities (with contractual maturities up to 38 years), as they are affected by periodic payments and prepayments of principal on the underlying mortgages. As of September 30, 2021 and December 31, 2020, based on management’s estimates, the weighted average life of the Company’s investment securities available for sale portfolio was approximately 5.4 years and 5.6 years, respectively.

The following table sets forth the weighted average lives of our investment securities available for sale as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

Weighted Average Life	September 30, 2021		December 31, 2020
0 to 5 years	$	223,991	$	332,934
Over 5 to 10 years	206,360		320,361
10+ years	17,742		71,431
Total	$	448,093	$	724,726

Unrealized Losses in Other Comprehensive Income

The Company evaluated its CECL Securities that were in an unrealized loss position as of September 30, 2021 and December 31, 2020, respectively, and determined that no allowance for credit losses was necessary. The Company did not recognize credit losses for its CECL Securities through earnings for the three and nine months ended September 30, 2021 and 2020.

The following table presents the Company's CECL Securities in an unrealized loss position with no credit losses reported, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

September 30, 2021	Less than 12 months				Greater than 12 months				Total
	Carrying Value		Gross Unrealized Losses		Carrying Value		Gross Unrealized Losses		Carrying Value		Gross Unrealized Losses
Non-Agency RMBS	$	35,532	$	(22)	$	36,739	$	(53)	$	72,271	$	(75)
CMBS	22,504		(365)		—		—		22,504		(365)
Total	$	58,036	$	(387)	$	36,739	$	(53)	$	94,775	$	(440)

December 31, 2020	Less than 12 months				Greater than 12 months				Total
	Carrying Value		Gross Unrealized Losses		Carrying Value		Gross Unrealized Losses		Carrying Value		Gross Unrealized Losses
Non-Agency RMBS	$	159,841	$	(4,526)	$	8,234	$	(848)	$	168,075	$	(5,374)
Total	$	159,841	$	(4,526)	$	8,234	$	(848)	$	168,075	$	(5,374)

At September 30, 2021, the Company did not intend to sell any of its investment securities available for sale that were in an unrealized loss position, and it was “more likely than not” that the Company would not be required to sell these securities before recovery of their amortized cost basis, which may be at their maturity.

Gross unrealized losses in other comprehensive income on the Company's non-Agency RMBS and CMBS were $0.4 million at September 30, 2021. Credit risk associated with non-Agency RMBS and CMBS is regularly assessed as new information regarding the underlying collateral becomes available and based on updated estimates of cash flows generated by the underlying collateral. In performing its assessment, the Company considers past and expected future performance of the underlying collateral, including timing of expected future cash flows, prepayment rates, default rates, loss severities, delinquency rates, current levels of subordination, volatility of the security's fair value, temporary declines in liquidity for the asset class and interest rate changes since purchase. Based upon the most recent evaluation, the Company does not believe that these unrealized losses are credit related but are rather a reflection of current market yields and/or marketplace bid-ask spreads.

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Equity Investments, at Fair Value

9 Months Ended

Sep. 30, 2021

Equity Method Investments and Joint Ventures [Abstract]

Equity Investments, at Fair Value

Equity Investments, at Fair ValueThe Company's equity investments consist of, or have consisted of, preferred equity ownership interests in entities that invest in multi-family properties where the risks and payment characteristics are equivalent to an equity investment (or multi-family preferred equity ownership interests), equity ownership interests in entities that invest in single-family properties and residential loans (or single-family equity ownership interests) and joint venture equity investments in multi-family properties. The Company's equity investments are accounted for under the equity method and are presented at fair value on its condensed consolidated balance sheets as a result of a fair value election.

The following table presents the Company's equity investments as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	September 30, 2021			December 31, 2020
Investment Name	Ownership Interest	Fair Value		Ownership Interest	Fair Value
Multi-Family Preferred Equity Ownership Interests
BBA-EP320 II, L.L.C., BBA-Ten10 II, L.L.C., and Lexington on the Green Apartments, L.L.C. (collectively)	45%	$	12,476	45%	$	11,441
Somerset Deerfield Investor, LLC	45%	19,661		45%	18,792
RS SWD Owner, LLC, RS SWD Mitchell Owner, LLC, RS SWD IF Owner, LLC, RS SWD Mullis Owner, LLC, RS SWD JH Mullis Owner, LLC and RS SWD Saltzman Owner, LLC (collectively)	43%	5,590		43%	5,140
Audubon Mezzanine Holdings, L.L.C. (Series A)	57%	12,118		57%	11,456
EP 320 Growth Fund, L.L.C. (Series A) and Turnbury Park Apartments - BC, L.L.C. (Series A) (collectively)	46%	7,464		46%	7,234
Walnut Creek Properties Holdings, L.L.C.	36%	9,180		36%	8,803
Towers Property Holdings, LLC	37%	12,712		37%	12,119
Mansions Property Holdings, LLC	34%	12,249		34%	11,679
Sabina Montgomery Holdings, LLC - Series B and Oakley Shoals Apartments, LLC - Series A (collectively)	43%	4,465		43%	4,320
Gen1814, LLC - Series A, Highlands - Mtg. Holdings, LLC - Series A, and Polos at Hudson Investments, LLC - Series A (collectively)	37%	10,297		37%	9,966
Axis Apartments Holdings, LLC, Arbor-Stratford Holdings II, LLC - Series B, Highlands - Mtg. Holdings, LLC - Series B, Oakley Shoals Apartments, LLC - Series C, and Woodland Park Apartments II, LLC (collectively)	53%	12,721		53%	12,337
DCP Gold Creek, LLC	44%	6,615		44%	6,357
1122 Chicago DE, LLC	53%	7,593		53%	7,222
Rigsbee Ave Holdings, LLC	56%	11,126		56%	10,222
Bighaus, LLC	42%	15,224		42%	14,525
FF/RMI 20 Midtown, LLC	51%	25,067		51%	23,936
Lurin-RMI, LLC	38%	7,521		38%	7,216
Palms at Cape Coral, LLC	34%	5,096		—	—
America Walks at Port St. Lucie, LLC	62%	30,460		—	—
Total - Multi-Family Preferred Equity Ownership Interests		227,635			182,765
Joint Venture Equity Investments in Multi-Family Properties
GWR Cedars Partners, LLC	70%	3,710		—	—
GWR Gateway Partners, LLC	70%	6,580		—	—
Total - Joint Venture Equity Investments in Multi-Family Properties		10,290			—
Single-Family Equity Ownership Interests
Morrocroft Neighborhood Stabilization Fund II, LP	11%	17,089		11%	13,040
Headlands Asset Management Fund III (Cayman), LP (Headlands Flagship Opportunity Fund Series I)	—	—		49%	63,290
Total - Single-Family Equity Ownership Interests		17,089			76,330
Total		$	255,014		$	259,095

The Company records its equity in earnings or losses from its multi-family preferred equity ownership interests under the hypothetical liquidation of book value method of accounting due to the structures and the preferences it receives on the distributions from these entities pursuant to the respective agreements. Under this method, the Company recognizes income or loss in each period based on the change in liquidation proceeds it would receive from a hypothetical liquidation of its investment. Pursuant to the fair value election, changes in fair value of the Company's multi-family preferred equity ownership interests are reported in current period earnings. The following table presents income from multi-family preferred equity ownership interests for the three and nine months ended September 30, 2021 and 2020, respectively (dollar amounts in thousands). Income from these investments is presented in income from equity investments in the Company's accompanying condensed consolidated statements of operations. Income from these investments during the three and nine months ended September 30, 2021 includes $0.3 million of net unrealized losses and $0.6 million of net unrealized gains, respectively. Income from these investments during the three and nine months ended September 30, 2020 includes $6.7 thousand of net unrealized gains and $4.1 million of net unrealized losses, respectively.

	Three Months Ended September 30,				Nine Months Ended September 30,
Investment Name	2021		2020		2021		2020
BBA-EP320 II, L.L.C., BBA-Ten10 II, L.L.C., and Lexington on the Green Apartments, L.L.C. (collectively)	$	331	$	295	$	1,035	$	898
Somerset Deerfield Investor, LLC	569		472		1,711		1,259
RS SWD Owner, LLC, RS SWD Mitchell Owner, LLC, RS SWD IF Owner, LLC, RS SWD Mullis Owner, LLC, RS SWD JH Mullis Owner, LLC and RS SWD Saltzman Owner, LLC (collectively)	152		125		450		217
Audubon Mezzanine Holdings, L.L.C. (Series A)	251		365		972		541
EP 320 Growth Fund, L.L.C. (Series A) and Turnbury Park Apartments - BC, L.L.C. (Series A) (collectively)	151		181		571		305
Walnut Creek Properties Holdings, L.L.C.	257		280		797		402
Towers Property Holdings, LLC	348		380		1,087		502
Mansions Property Holdings, LLC	335		366		1,048		484
Sabina Montgomery Holdings, LLC - Series B and Oakley Shoals Apartments, LLC - Series A (collectively)	89		137		355		190
Gen1814, LLC - Series A, Highlands - Mtg. Holdings, LLC - Series A, and Polos at Hudson Investments, LLC - Series A (collectively)	204		317		819		430
Axis Apartments Holdings, LLC, Arbor-Stratford Holdings II, LLC - Series B, Highlands - Mtg. Holdings, LLC - Series B, Oakley Shoals Apartments, LLC - Series C, and Woodland Park Apartments II, LLC (collectively)	252		392		1,014		527
DCP Gold Creek, LLC	189		203		589		305
1122 Chicago DE, LLC	229		226		675		462
Rigsbee Ave Holdings, LLC	120		326		1,335		604
Bighaus, LLC	450		237		1,328		237
FF/RMI 20 Midtown, LLC	771		—		2,275		—
Lurin-RMI, LLC	216		—		687		—
Palms at Cape Coral, LLC	189		—		189		—
America Walks at Port St. Lucie, LLC	775		—		775		—
Total Income - Multi-Family Preferred Equity Ownership Interests	$	5,878	$	4,302	$	17,712	$	7,363

Income from single-family equity ownership interests and joint venture equity investments in multi-family properties is presented in income from equity investments in the Company's accompanying condensed consolidated statements of operations. The following table presents income (loss) from these investments for the three and nine months ended September 30, 2021 and 2020, respectively (dollar amounts in thousands):    

	Three Months Ended September 30,				Nine Months Ended September 30,
Investment Name	2021		2020		2021		2020
Single-Family Equity Ownership Interests
Morrocroft Neighborhood Stabilization Fund II, LP	$	2,137	$	515	$	4,324	$	1,080
Headlands Asset Management Fund III (Cayman), LP (Headlands Flagship Opportunity Fund Series I) (1)	—		5,027		(15)		7,078
Total Income - Single-Family Equity Ownership Interests	$	2,137	$	5,542	$	4,309	$	8,158
Joint Venture Equity Investments in Multi-Family Properties (2)
The Preserve at Port Royal Venture, LLC (3)	$	—	$	122	$	—	$	(949)
Total Income (Loss) - Joint Venture Equity Investments in Multi-Family Properties	$	—	$	122	$	—	$	(949)

(1)The Company's equity investment was redeemed during the nine months ended September 30, 2021.

(2)Includes net unrealized loss of $8.6 million and $9.7 million for the three and nine months ended September 30, 2020, respectively and a realized gain of $8.8 million for the three and nine months ended September 30, 2020.

(3)The Company's equity investment was redeemed during the year ended December 31, 2020.

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Use of Special Purpose Entities (SPE) and Variable Interest Entities (VIE)

9 Months Ended

Sep. 30, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Use of Special Purpose Entities (SPE) and Variable Interest Entities (VIE)

Use of Special Purpose Entities (SPE) and Variable Interest Entities (VIE)

Financing VIEs

The Company uses SPEs to facilitate transactions that involve securitizing financial assets or re-securitizing previously securitized financial assets. The objective of such transactions may include obtaining non-recourse financing, obtaining liquidity or refinancing the underlying securitized financial assets on improved terms. Securitization involves transferring assets to an SPE to convert all or a portion of those assets into cash before they would have been realized in the normal course of business through the SPE’s issuance of debt or equity instruments. Investors in an SPE usually have recourse only to the assets in the SPE and depending on the overall structure of the transaction, may benefit from various forms of credit enhancement, such as over-collateralization in the form of excess assets in the SPE, priority with respect to receipt of cash flows relative to holders of other debt or equity instruments issued by the SPE, or a line of credit or other form of liquidity agreement that is designed with the objective of ensuring that investors receive principal and/or interest cash flow on the investment in accordance with the terms of their investment agreement.    

The Company has entered into financing transactions, including residential loan securitizations and re-securitizations, which required the Company to analyze and determine whether the SPEs that were created to facilitate the transactions are VIEs in accordance with ASC 810 and if so, whether the Company is the primary beneficiary requiring consolidation.

As of December 31, 2020, the Company evaluated its residential loan securitizations and re-securitization of non-Agency RMBS and concluded that the entities created to facilitate each of the financing transactions are VIEs and that the Company is the primary beneficiary of these VIEs (each a “Financing VIE” and collectively, the “Financing VIEs”). As of September 30, 2021, the Company evaluated its residential loan securitizations and concluded that the entities created to facilitate each of the financing transactions are VIEs and that the Company is the primary beneficiary of these VIEs. Accordingly, the Company consolidated the then-outstanding Financing VIEs as of September 30, 2021 and December 31, 2020. During the nine months ended September 30, 2021, the Company exercised its right to an optional redemption of its non-Agency RMBS re-securitization and one of its residential loan securitizations with outstanding principal balances of $14.7 million and $203.5 million at the time of redemption, respectively, returned the assets held by the trusts to the Company and recognized $1.6 million of loss on the extinguishment of collateralized debt obligations.

Consolidated SLST

The Company invests in subordinated securities that represent the first loss position of the Freddie Mac-sponsored residential loan securitization from which they were issued, and certain IOs and senior securities issued from the securitization. The Company has evaluated its investments in this securitization trust to determine whether it is a VIE and if so, whether the Company is the primary beneficiary requiring consolidation. The Company has determined that the Freddie Mac-sponsored residential loan securitization trust, which we refer to as Consolidated SLST, is a VIE as of September 30, 2021 and December 31, 2020, and that the Company is the primary beneficiary of the VIE within Consolidated SLST. Accordingly, the Company has consolidated the assets, liabilities, income and expenses of such VIE in the accompanying condensed consolidated financial statements (see Notes 2, 3 and 11). The Company has elected the fair value option on the assets and liabilities held within Consolidated SLST, which requires that changes in valuations in the assets and liabilities of Consolidated SLST be reflected in the Company’s condensed consolidated statements of operations.

The Company does not have any claims to the assets or obligations for the liabilities of Consolidated SLST, other than those securities owned by the Company as of September 30, 2021 and December 31, 2020 with a fair value of $231.1 million and $212.1 million, respectively (see Note 14). The Company’s investments that are included in Consolidated SLST were not included as collateral to any Financing VIE as of September 30, 2021 and December 31, 2020.

During the nine months ended September 30, 2020, the Company purchased approximately $40.0 million in additional senior securities issued by Consolidated SLST and subsequently sold its entire investment in the senior securities issued by Consolidated SLST for sales proceeds of approximately $62.6 million at a realized loss of approximately $2.4 million, which is included in realized gains (losses), net on the Company's condensed consolidated statements of operations.

Consolidated K-Series

As of December 31, 2019, the Company invested in multi-family CMBS consisting of POs that represented the first loss position of the Freddie Mac-sponsored multi-family K-series securitizations from which they were issued, and certain IOs and certain senior and mezzanine CMBS securities issued from those securitizations. The Company evaluated these CMBS investments in Freddie Mac-sponsored K-Series securitization trusts to determine whether they were VIEs and if so, whether the Company was the primary beneficiary requiring consolidation. The Company determined that the Freddie Mac-sponsored multi-family K-Series securitization trusts were VIEs, which we refer to as the Consolidated K-Series. The Company also determined that it was the primary beneficiary of each VIE within the Consolidated K-Series and, accordingly, consolidated its assets, liabilities, income and expenses in the accompanying condensed consolidated financial statements (see Note 2). The Company elected the fair value option on the assets and liabilities held within the Consolidated K-Series, which required that changes in valuations in the assets and liabilities of the Consolidated K-Series be reflected in the Company's condensed consolidated statements of operations. Our investment in the Consolidated K-Series was limited to the multi-family CMBS that we owned.

In March 2020, the Company sold its first loss POs and certain mezzanine securities issued by the Consolidated K-Series which resulted in the de-consolidation of each Consolidated K-Series as of the sale date of each first loss PO. These sales, for total proceeds of approximately $555.2 million, resulted in a realized net loss of $54.1 million and reversal of previously recognized net unrealized gains of $168.5 million. The sales also resulted in the de-consolidation of $17.4 billion in multi-family loans held in the Consolidated K-Series and $16.6 billion in Consolidated K-Series CDOs. Also in March 2020, the Company transferred its remaining IOs and mezzanine and senior securities owned in the Consolidated K-Series with a fair value of approximately $237.3 million to investment securities available for sale.

Other Consolidated VIEs

During the nine months ended September 30, 2021, the Company invested in five joint venture investments that own multi-family apartment communities, which the Company determined to be VIEs and for which the Company is the primary beneficiary. Accordingly, the Company consolidated the assets, liabilities, income and expenses of these VIEs in the accompanying condensed consolidated financial statements with non-controlling interests for the third-party ownership of the joint ventures' membership interests. The Company accounted for the initial consolidation of the joint venture investments in accordance with asset acquisition provisions of ASC 805, Business Combinations, ("ASC 805"), as substantially all of the fair value of the assets within the entities are concentrated in either a single identifiable asset or group of similar identifiable assets. The initial consolidation of the joint venture entities included operating real estate in the amount of $209.3 million and lease intangibles in the amount of $13.3 million (included in other assets in the accompanying condensed consolidated balance sheets), mortgages payable on operating real estate, net in the amount of $162.2 million and non-controlling interests in the amount of $5.1 million.

In addition, on November 12, 2020 (the "Changeover Date"), the Company reconsidered its evaluation of its variable interest in a VIE that owns a multi-family apartment community and in which the Company holds a preferred equity investment. The Company determined that it gained the power to direct the activities, and became primary beneficiary, of the VIE on the Changeover Date. Prior to the Changeover Date, the Company accounted for its investment as a preferred equity investment included in multi-family loans. On the Changeover Date, the Company consolidated this VIE into its consolidated financial statements. The Company accounted for the initial consolidation of the VIE in accordance with asset acquisition provisions of ASC 805 as substantially all of the fair value of the assets within the entity are concentrated in either a single identifiable asset or group of similar identifiable assets. The estimated Changeover Date fair value of the consideration transferred totaled $8.7 million, which consisted of the estimated fair value of the Company's preferred equity investment in the VIE that was determined using assumptions for the underlying estimated cash flows and a discount rate. The initial consolidation of this VIE included operating real estate in the amount of $50.5 million and a lease intangible in the amount of $1.6 million (included in other assets in the accompanying condensed consolidated balance sheets), a mortgage payable on operating real estate, net in the amount of $36.8 million and a non-controlling interest (representing third-party ownership of the VIE's membership interests) in the amount of $6.8 million. Subsequently, in July 2021, the VIE redeemed its non-controlling interest which resulted in an equity transaction accounted for by the Company in accordance with ASC 810. In addition, the Company reconsidered its evaluation of its investment in the entity and determined that the entity no longer met the criteria for being characterized as a VIE and is a wholly-owned subsidiary of the Company.

In analyzing whether the Company is the primary beneficiary of the Financing VIEs, Consolidated SLST, the Consolidated K-Series and other Consolidated VIEs, the Company considered its involvement in each of the VIEs, including the design and purpose of each VIE, and whether its involvement reflected a controlling financial interest that resulted in the Company being deemed the primary beneficiary of the VIEs. In determining whether the Company would be considered the primary beneficiary, the following factors were assessed:

•whether the Company has both the power to direct the activities that most significantly impact the economic performance of the VIE; and

•whether the Company has a right to receive benefits or absorb losses of the entity that could be potentially significant to the VIE.

The following table presents a summary of the assets, liabilities and non-controlling interests of the Company's residential loan securitizations, Consolidated SLST and other Consolidated VIEs as of September 30, 2021 (dollar amounts in thousands). Intercompany balances have been eliminated for purposes of this presentation.

	Financing VIEs		Other VIEs
	Residential Loan Securitizations		Consolidated SLST		Other		Total
Cash and cash equivalents	$	—	$	—	$	3,457	$	3,457
Residential loans, at fair value	811,583		1,137,005		—		1,948,588
Operating real estate, net held in Consolidated VIEs (1)	—		—		209,736		209,736
Other assets	33,141		3,702		18,724		55,567
Total assets	$	844,724	$	1,140,707	$	231,917	$	2,217,348
Collateralized debt obligations ($710,102 at amortized cost, net and $904,976 at fair value)	$	710,102	$	904,976	$	—	$	1,615,078
Mortgages payable on operating real estate, net in Consolidated VIEs (2)	—		—		163,941		163,941
Other liabilities	6,326		3,073		4,648		14,047
Total liabilities	$	716,428	$	908,049	$	168,589	$	1,793,066
Non-controlling interest in Consolidated VIEs (3)	$	—	$	—	$	4,626	$	4,626
Net investment (4)	$	128,296	$	232,658	$	58,702	$	419,656

(1)Included in operating real estate, net in the accompanying condensed consolidated balance sheets.

(2)Included in mortgages payable on operating real estate, net in the accompanying condensed consolidated balance sheets.

(3)Represents third party ownership of membership interests in other Consolidated VIEs.

(4)The net investment amount is the maximum amount of the Company's investment that is at risk to loss and represents the difference between total assets and total liabilities held by VIEs, less non-controlling interest, if any.

The following table presents a summary of the assets, liabilities and non-controlling interests of the Company's residential loan securitizations, non-Agency RMBS re-securitization, Consolidated SLST and other Consolidated VIEs as of December 31, 2020 (dollar amounts in thousands). Intercompany balances have been eliminated for purposes of this presentation.

	Financing VIEs				Other VIEs
	Residential Loan Securitizations		Non-Agency RMBS Re-Securitization		Consolidated SLST		Other		Total
Cash and cash equivalents	$	—	$	—	$	—	$	462	$	462
Residential loans, at fair value	691,451		—		1,266,785		—		1,958,236
Investment securities available for sale, at fair value	—		109,140		—		—		109,140
Operating real estate, net held in Consolidated VIEs (1)	—		—		—		50,532		50,532
Other assets	24,959		535		4,075		3,045		32,614
Total assets	$	716,410	$	109,675	$	1,270,860	$	54,039	$	2,150,984
Collateralized debt obligations ($569,323 at amortized cost, net and $1,054,335 at fair value)	$	554,067	$	15,256	$	1,054,335	$	—	$	1,623,658
Mortgages payable on operating real estate, net in Consolidated VIEs (2)	—		—		—		36,752		36,752
Other liabilities	2,610		70		2,781		1,435		6,896
Total liabilities	$	556,677	$	15,326	$	1,057,116	$	38,187	$	1,667,306
Non-controlling interest in Consolidated VIEs (3)	$	—	$	—	$	—	$	6,371	$	6,371
Net investment (4)	$	159,733	$	94,349	$	213,744	$	9,481	$	477,307

(1)Included in operating real estate, net in the accompanying condensed consolidated balance sheets.

(2)Included in mortgages payable on operating real estate, net in the accompanying condensed consolidated balance sheets.

(3)Represents third party ownership of membership interests in other Consolidated VIEs.

(4)The net investment amount is the maximum amount of the Company's investment that is at risk to loss and represents the difference between total assets and total liabilities held by VIEs, less non-controlling interest, if any.

The following table presents condensed statements of operations for non-Company-sponsored VIEs, including Consolidated SLST and other Consolidated VIEs, for the three months ended September 30, 2021 and 2020, respectively (dollar amounts in thousands). Intercompany balances have been eliminated for purposes of this presentation.

	Three Months Ended September 30,
	2021						2020
	Consolidated SLST		Other		Total		Consolidated SLST		Other		Total
Interest income	$	10,245	$	—	$	10,245	$	10,896	$	—	$	10,896
Interest expense	7,116		900		8,016		7,562		—		7,562
Total net interest income (expense)	3,129		(900)		2,229		3,334		—		3,334
Unrealized gains, net	4,302		—		4,302		27,145		—		27,145
Income from operating real estate	—		2,683		2,683		—		—		—
Other loss	—		—		—		—		(159)		(159)
Total non-interest income (loss)	4,302		2,683		6,985		27,145		(159)		26,986
Expenses related to operating real estate	—		6,601		6,601		—		—		—
Net income (loss)	7,431		(4,818)		2,613		30,479		(159)		30,320
Net loss (income) attributable to non-controlling interest in Consolidated VIEs	—		394		394		—		(1,764)		(1,764)
Net income (loss) attributable to Company	$	7,431	$	(4,424)	$	3,007	$	30,479	$	(1,923)	$	28,556

The following table presents condensed statements of operations for non-Company-sponsored VIEs, including Consolidated SLST, Consolidated K-Series (prior to the sale of first loss POs and de-consolidation of the Consolidated K-Series) and other Consolidated VIEs, for the nine months ended September 30, 2021 and 2020, respectively (dollar amounts in thousands). Intercompany balances have been eliminated for purposes of this presentation.

	Nine Months Ended September 30,
	2021						2020
	Consolidated SLST		Other		Total		Consolidated K-Series		Consolidated SLST		Other		Total
Interest income	$	31,042	$	—	$	31,042	$	151,841	$	34,542	$	—	$	186,383
Interest expense	21,371		1,641		23,012		129,762		24,255		—		154,017
Total net interest income (expense)	9,671		(1,641)		8,030		22,079		10,287		—		32,366
Unrealized gains (losses), net	23,320		—		23,320		(10,951)		(34,893)		—		(45,844)
Income from operating real estate	—		6,329		6,329		—		—		—		—
Other loss	—		—		—		—		—		(2,280)		(2,280)
Total non-interest income (loss)	23,320		6,329		29,649		(10,951)		(34,893)		(2,280)		(48,124)
Expenses related to operating real estate	—		13,438		13,438		—		—		—		—
Net income (loss)	32,991		(8,750)		24,241		11,128		(24,606)		(2,280)		(15,758)
Net loss (income) attributable to non-controlling interest in Consolidated VIEs	—		3,428		3,428		—		—		(704)		(704)
Net income (loss) attributable to Company	$	32,991	$	(5,322)	$	27,669	$	11,128	$	(24,606)	$	(2,984)	$	(16,462)

Unconsolidated VIEs

As of September 30, 2021 and December 31, 2020, the Company evaluated its investment securities available for sale, preferred equity, mezzanine loan and other equity investments to determine whether they are VIEs and should be consolidated by the Company. Based on a number of factors, the Company determined that, as of September 30, 2021 and December 31, 2020, it does not have a controlling financial interest and is not the primary beneficiary of these VIEs. The following tables present the classification and carrying value of unconsolidated VIEs as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	September 30, 2021
	Multi-family loans		Investment securities available for sale, at fair value		Equity investments		Total
ABS	$	—	$	41,485	$	—	$	41,485
Non-Agency RMBS	—		31,708		—		31,708
Preferred equity investments in multi-family properties	119,812		—		227,635		347,447
Joint venture equity investments in multi-family properties	—		—		10,290		10,290
Equity investments in entities that invest in residential properties	—		—		17,089		17,089
Maximum exposure	$	119,812	$	73,193	$	255,014	$	448,019

	December 31, 2020
	Multi-family loans		Investment securities available for sale, at fair value		Equity investments		Total
ABS	$	—	$	43,225	$	—	$	43,225
Preferred equity investments in multi-family properties	158,501		—		182,765		341,266
Mezzanine loans on multi-family properties	5,092		—		—		5,092
Equity investments in entities that invest in residential properties and loans	—		—		76,330		76,330
Maximum exposure	$	163,593	$	43,225	$	259,095	$	465,913

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Derivative Instruments and Hedging Activities

9 Months Ended

Sep. 30, 2021

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Instruments and Hedging Activities

Derivative Instruments and Hedging Activities

The Company enters into derivative instruments in connection with its risk management activities. These derivative instruments may include interest rate swaps, swaptions, futures and options on futures. The Company may also purchase or sell “To-Be-Announced,” or TBAs, purchase options on U.S. Treasury futures or invest in other types of mortgage derivative securities. The Company's derivative instruments, comprised of interest rate swaps which were designated as trading instruments, were terminated during the three months ended March 31, 2020. The Company had no outstanding derivatives as of September 30, 2021 and December 31, 2020.

Derivatives Not Designated as Hedging Instruments

The table below summarizes the activity of derivative instruments not designated as hedging instruments for the nine months ended September 30, 2020 (dollar amounts in thousands):

	Notional Amount For the Nine Months Ended September 30, 2020
Type of Derivative Instrument	December 31, 2019		Additions		Terminations		September 30, 2020
Interest rate swaps	$	495,500	$	—	$	(495,500)	$	—

The following table presents the components of realized gains (losses), net and unrealized gains (losses), net related to our derivative instruments that were not designated as hedging instruments, which are included in non-interest income (loss) in our condensed consolidated statements of operations for the nine months ended September 30, 2020 (dollar amounts in thousands):

	For the Nine Months Ended September 30, 2020
	Realized Gains (Losses)		Unrealized Gains (Losses)
Interest rate swaps	$	(73,078)	$	28,967
Total	$	(73,078)	$	28,967

The use of derivatives exposes the Company to counterparty credit risks in the event of a default by a counterparty. If a counterparty defaults under the applicable derivative agreement, the Company may be unable to collect payments to which it is entitled under its derivative agreements and may have difficulty collecting the assets it pledged as collateral against such derivatives. All of the Company's interest rate swaps were cleared through CME Group Inc. ("CME Clearing") which is the parent company of the Chicago Mercantile Exchange Inc. CME Clearing serves as the counterparty to every cleared transaction, becoming the buyer to each seller and the seller to each buyer, limiting the credit risk by guaranteeing the financial performance of both parties and netting down exposures.

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Operating Real Estate, Net

9 Months Ended

Sep. 30, 2021

Real Estate [Abstract]

Operating Real Estate, Net

Operating Real Estate, Net

As of September 30, 2021, the Company invested in five joint venture investments that own multi-family apartment communities, which the Company determined to be VIEs and for which the Company is the primary beneficiary. Accordingly, the Company consolidated the joint venture entities into its condensed consolidated financial statements (see Note 7). Additionally, as of September 30, 2021, a wholly-owned subsidiary of the Company owns a multi-family apartment community that is included in operating real estate, net on the accompanying condensed consolidated balance sheets.

As of December 31, 2020, the Company was the primary beneficiary of a VIE that owned a multi-family apartment community and in which the Company held a preferred equity investment. Accordingly, the Company consolidated the VIE into its condensed consolidated financial statements (see Note 7).

The multi-family apartment communities lease their apartment units to individual tenants at market rates for the production of rental income. These apartment units are generally leased at a fixed monthly rate with no option for the lessee to purchase the leased unit at any point. Rental income for the three and nine months ended September 30, 2021 in the amounts of $3.8 million and $7.3 million, respectively, is included in income from operating real estate on the accompanying condensed consolidated statements of operations.

The following is a summary of the operating real estate investments, collectively, as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	September 30, 2021		December 31, 2020
Land	$	34,405	$	5,400
Building and improvements	229,426		43,764
Furniture, fixture and equipment	10,197		1,522
Real estate	$	274,028	$	50,686
Accumulated depreciation (1)	(3,422)		(154)
Operating real estate, net	$	270,606	$	50,532

(1)Depreciation expense for the three and nine months ended September 30, 2021 totaled $1.7 million and $3.3 million, respectively, and is included in expenses related to operating real estate on the accompanying condensed consolidated statements of operations.

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Repurchase Agreements

9 Months Ended

Sep. 30, 2021

Carrying Value of Federal Funds Sold, Securities Purchased under Agreements to Resell, and Deposits Paid for Securities Borrowed [Abstract]

Repurchase Agreements

Repurchase Agreements

Residential Loans

The Company has repurchase agreements with three financial institutions to fund the purchase of residential loans. The following table presents detailed information about the Company’s financings under these repurchase agreements and associated residential loans pledged as collateral at September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	Maximum Aggregate Uncommitted Principal Amount		Outstanding Repurchase Agreements (1)		Net Deferred Finance Costs (2)		Carrying Value of Repurchase Agreements		Fair Value of Loans Pledged		Weighted Average Rate		Weighted Average Months to Maturity (3)
September 30, 2021	$	1,257,003	$	335,434	$	(878)	$	334,556	$	492,860	2.82	%	3.24
December 31, 2020	$	1,301,389	$	407,213	$	(1,682)	$	405,531	$	575,380	2.92	%	11.92

(1)Includes a non-mark-to-market repurchase agreement with an outstanding balance of $16.6 million, a rate of 4.00%, and maturity of 5.03 months as of September 30, 2021. Includes non-mark-to-market repurchase agreements with an outstanding balance of $49.8 million, weighted average rate of 4.00%, and weighted average maturity of 8.80 months as of December 31, 2020.

(2)Costs related to the repurchase agreements, which include commitment, underwriting, legal, accounting and other fees, are reflected as deferred charges. Such costs are presented as a deduction from the corresponding debt liability on the Company’s accompanying condensed consolidated balance sheets and are amortized as an adjustment to interest expense using the effective interest method, or straight line-method, if the result is not materially different.

(3)The Company expects to roll outstanding amounts under these repurchase agreements into new repurchase agreements or other financings, or to repay outstanding amounts, prior to or at maturity.

During the terms of the repurchase agreements, proceeds from the residential loans will be applied to pay any price differential and to reduce the aggregate repurchase price of the collateral. The financings under the repurchase agreements with two of the counterparties are subject to margin calls to the extent the market value of the residential loans falls below specified levels and repurchase may be accelerated upon an event of default under the repurchase agreements.

As of September 30, 2021, the Company's repurchase agreements contain various covenants, including among other things, the maintenance of certain amounts of liquidity and total stockholders' equity. The Company is in compliance with such covenants as of September 30, 2021 and through the date of this Quarterly Report on Form 10-Q.

Investment Securities

The Company has repurchase agreements with financial institutions to finance its investment securities portfolio. These repurchase agreements provide short-term financing that bear interest rates typically based on a spread to LIBOR and are secured by the investment securities which they finance and additional collateral pledged, if any. As of September 30, 2021 and December 31, 2020, the Company had no amounts outstanding under repurchase agreements to finance investment securities.

XML

Collateralized Debt Obligations

9 Months Ended

Sep. 30, 2021

Debt Disclosure [Abstract]

Collateralized Debt Obligations

Collateralized Debt Obligations

The Company's collateralized debt obligations, or CDOs, are accounted for as financings and are non-recourse debt to the Company. See Note 7 for further discussion regarding the collateral pledged for the Company's CDOs as well as the Company's net investments in the related securitizations.

The following tables present a summary of the Company's CDOs as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	September 30, 2021
	Outstanding Face Amount		Carrying Value		Weighted Average Interest Rate (1)		Weighted Average Rate of Notes Issued (2)		Stated Maturity (3)
Consolidated SLST (4)	$	861,184	$	904,976	2.75	%	3.53	%	2059
Residential loan securitizations	714,058		710,102		2.42	%	3.38	%	2026 - 2061
Total collateralized debt obligations	$	1,575,242	$	1,615,078

(1)Weighted average interest rate is calculated using the outstanding face amount and stated interest rate of notes issued by the securitization and not owned by the Company.

(2)Weighted average rate of notes issued is calculated using the outstanding face amount and stated interest rate of all notes issued by the securitizations, including those owned by the Company.

(3)The actual maturity of the Company's CDOs are primarily determined by the rate of principal prepayments on the assets of the issuing entity. The CDOs are also subject to redemption prior to the stated maturity according to the terms of the respective governing documents. As a result, the actual maturity of the CDOs may occur earlier than the stated maturity.

(4)The Company has elected the fair value option for CDOs issued by Consolidated SLST (see Note 14).

	December 31, 2020
	Outstanding Face Amount		Carrying Value		Weighted Average Interest Rate (1)			Weighted Average Rate of Notes Issued (2)			Stated Maturity (3)
Consolidated SLST (4)	$	975,017	$	1,054,335	2.75	%		3.53	%		2059
Residential loan securitizations	557,497		554,067		3.36	%		4.83	%		2025 - 2060
Non-Agency RMBS Re-Securitization	15,449		15,256		One-month LIBOR plus 5.25%		(5)	One-month LIBOR plus 5.25%		(5)	2025
Total collateralized debt obligations	$	1,547,963	$	1,623,658

(1)Weighted average interest rate is calculated using the outstanding face amount and stated interest rate of notes issued by the securitization and not owned by the Company.

(2)Weighted average rate of notes issued is calculated using the outstanding face amount and stated interest rate of all notes issued by the securitizations, including those owned by the Company.

(3)The actual maturity of the Company's CDOs are primarily determined by the rate of principal prepayments on the assets of the issuing entity. The CDOs are also subject to redemption prior to the stated maturity according to the terms of the respective governing documents. As a result, the actual maturity of the CDOs may occur earlier than the stated maturity.

(4)The Company has elected the fair value option for CDOs issued by Consolidated SLST (see Note 14).

(5)Represents the pass-through rate through the payment date in December 2021. During the nine months ended September 30, 2021, the Company exercised its right to an optional redemption of its non-Agency RMBS re-securitization.

The Company's collateralized debt obligations as of September 30, 2021 had stated maturities as follows:

Year ending December 31,	Total
2021	$	—
2022	—
2023	—
2024	—
2025	—
2026	180,000
Thereafter	1,395,242
Total	$	1,575,242

Debt

Convertible Notes    

As of September 30, 2021, the Company had $138.0 million aggregate principal amount of its 6.25% Senior Convertible Notes due 2022 (the "Convertible Notes") outstanding. Costs related to the issuance of the Convertible Notes which include underwriting, legal, accounting and other fees, are reflected as deferred charges. The underwriter's discount and deferred charges, net of amortization, are presented as a deduction from the corresponding debt liability on the Company's accompanying condensed consolidated balance sheets in the amount of $0.8 million and $2.7 million as of September 30, 2021 and December 31, 2020, respectively. The underwriter's discount and deferred charges are amortized as an adjustment to interest expense using the effective interest method, resulting in a total cost to the Company of approximately 8.24%.     

The Convertible Notes were issued at 96% of the principal amount, bear interest at a rate equal to 6.25% per year, payable semi-annually in arrears on January 15 and July 15 of each year, and mature on January 15, 2022, unless earlier converted or repurchased. The Company does not have the right to redeem the Convertible Notes prior to maturity and no sinking fund is provided for the Convertible Notes. Holders of the Convertible Notes are permitted to convert their Convertible Notes into shares of the Company's common stock at any time prior to the close of business on the business day immediately preceding January 15, 2022. The conversion rate for the Convertible Notes, which is subject to adjustment upon the occurrence of certain specified events, initially equals 142.7144 shares of the Company’s common stock per $1,000 principal amount of Convertible Notes, which is equivalent to a conversion price of approximately $7.01 per share of the Company’s common stock, based on a $1,000 principal amount of the Convertible Notes. The Convertible Notes are senior unsecured obligations of the Company that rank pari passu in right of payment with the Company's senior unsecured indebtedness and rank senior in right of payment to the Company's subordinated debentures and any of its other indebtedness that is expressly subordinated in right of payment to the Convertible Notes.

During the nine months ended September 30, 2021, none of the Convertible Notes were converted. As of November 4, 2021, the Company has not been notified, and is not aware, of any event of default under the indenture for the Convertible Notes.

Senior Unsecured Notes    

On April 27, 2021, the Company completed the issuance and sale to various qualified institutional investors of $100.0 million aggregate principal amount of its unregistered 5.75% Senior Notes due 2026 (the "Unregistered Notes") in a private placement offering at 100% of the principal amount. The net proceeds to the Company from the sale of the Unregistered Notes, after deducting offering expenses, were approximately $96.3 million. Subsequent to the issuance of the Unregistered Notes, the Company conducted an exchange offer wherein the Company exchanged its registered 5.75% Senior Notes due 2026 (the "Registered Notes" and, together with the aggregate principal amount of Unregistered Notes that remain outstanding, the "Senior Unsecured Notes") for an equal principal amount of Unregistered Notes.

As of September 30, 2021, the Company had $100.0 million aggregate principal amount of its Senior Unsecured Notes outstanding. Costs related to the issuance of the Senior Unsecured Notes which include underwriting, legal, accounting and other fees, are reflected as deferred charges. The deferred charges, net of amortization, are presented as a deduction from the corresponding debt liability on the Company's accompanying condensed consolidated balance sheets in the amount of $3.5 million as of September 30, 2021. The deferred charges are amortized as an adjustment to interest expense using the effective interest method, resulting in a total cost to the Company of approximately 6.64%.     

The Senior Unsecured Notes bear interest at a rate of 5.75% per year, subject to adjustment from time to time based on changes in the ratings of the Senior Unsecured Notes by one or more nationally recognized statistical rating organizations (a “NRSRO”). The annual interest rate on the Senior Unsecured Notes will increase by (i) 0.50% per year beginning on the first day of any six-month interest period if as of such day the Senior Unsecured Notes have a rating of BB+ or below and above B+ from any NRSRO and (ii) 0.75% per year beginning on the first day of any six-month interest period if as of such day the Senior Unsecured Notes have a rating of B+ or below or no rating from any NRSRO. Interest on the Senior Unsecured Notes will be paid semi-annually in arrears on April 30 and October 30 of each year and the Senior Unsecured Notes will mature on April 30, 2026.

The Company has the right to redeem the Senior Unsecured Notes, in whole or in part, at any time prior to April 30, 2023 at a redemption price equal to 100% of the principal amount of the Senior Unsecured Notes to be redeemed, plus the applicable "make-whole" premium, plus accrued but unpaid interest, if any, to, but excluding, the redemption date. The "make-whole" premium is equal to the present value of all interest that would have accrued between the redemption date and up to, but excluding, April 30, 2023, plus an amount equal to the principal amount of such Senior Unsecured Notes multiplied by 2.875%. On and after April 30, 2023, the Company has the right to redeem the Senior Unsecured Notes, in whole or in part, at 100% of the principal amount of the Senior Unsecured Notes to be redeemed, plus accrued but unpaid interest, if any, to, but excluding, the redemption date, plus an amount equal to the principal amount of such Senior Unsecured Notes multiplied by a date-dependent multiple as detailed in the following table:

Redemption Period	Multiple
April 30, 2023 - April 29, 2024	2.875	%
April 30, 2024 - April 29, 2025	1.4375	%
April 30, 2025 - April 29, 2026	—

No sinking fund is provided for the Senior Unsecured Notes. The Senior Unsecured Notes are senior unsecured obligations of the Company that rank pari passu in right of payment with the Company's Convertible Notes and are structurally subordinated in right of payment to the Company's subordinated debentures.

As of September 30, 2021, the Company's Senior Unsecured Notes contain various covenants including the maintenance of a minimum net asset value, ratio of unencumbered assets to unsecured indebtedness and senior debt service coverage ratio and limit the amount of leverage the Company may utilize and its ability to transfer the Company’s assets substantially as an entirety or merge into or consolidate with another person. The Company is in compliance with such covenants as of September 30, 2021 and through the date of this Quarterly Report on Form 10-Q.

Subordinated Debentures

Subordinated debentures are trust preferred securities that are fully guaranteed by the Company with respect to distributions and amounts payable upon liquidation, redemption or repayment. The following table summarizes the key details of the Company’s subordinated debentures as of September 30, 2021 and December 31, 2020 (dollar amounts in thousands):

	NYM Preferred Trust I		NYM Preferred Trust II
Principal value of trust preferred securities	$	25,000	$	20,000
Interest rate	Three month LIBOR plus 3.75%, resetting quarterly		Three month LIBOR plus 3.95%, resetting quarterly
Scheduled maturity	March 30, 2035		October 30, 2035

As of November 4, 2021, the Company has not been notified, and is not aware, of any event of default under the indenture for the subordinated debentures.

Mortgages Payable on Operating Real Estate

During the nine months ended September 30, 2021, the Company invested in five joint venture investments that own multi-family apartment communities, which the Company determined to be VIEs and for which the Company is the primary beneficiary. Accordingly, the Company consolidated the joint venture entities into its condensed consolidated financial statements (see Note 7).

On November 12, 2020, the Company determined that it became the primary beneficiary of a VIE that owns a multi-family apartment community and in which the Company holds a preferred equity investment. Accordingly, on this date, the Company consolidated the VIE into its condensed consolidated financial statements. Subsequently, in July 2021, the VIE redeemed its non-controlling interest and the Company reconsidered its evaluation of its investment in the entity. The Company determined that the entity no longer met the criteria for being characterized as a VIE and is as a wholly-owned subsidiary of the Company (see Note 7).

The multi-family apartment communities held by the Consolidated VIEs and a wholly-owned subsidiary of the Company are subject to mortgages payable for which the Company has no obligation for repayment as of September 30, 2021. The following table presents detailed information for these mortgages payable on operating real estate as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	Outstanding Mortgage Balance		Net Deferred Finance Cost		Mortgage Payable, Net		Stated Maturity	Weighted Average Interest Rate (1)		Unfunded Commitment
September 30, 2021	$	203,786	$	(3,066)	$	200,720	2024 - 2031	3.25	%	$	12,188
December 31, 2020	37,030		(278)		36,752		2028	2.54	%	—

(1)Weighted average interest rate is calculated using the outstanding mortgage balance and interest rate as of the date indicated.

Debt Maturities

As of September 30, 2021, maturities for debt on the Company's condensed consolidated balance sheet are as follows (dollar amounts in thousands):

Year Ending December 31,	Total
2021	$	—
2022	138,000
2023	—
2024	108,676
2025	—
2026	100,000
Thereafter	140,110
	$	486,786

XML

Debt

9 Months Ended

Sep. 30, 2021

Debt Disclosure [Abstract]

Debt

Collateralized Debt Obligations

The Company's collateralized debt obligations, or CDOs, are accounted for as financings and are non-recourse debt to the Company. See Note 7 for further discussion regarding the collateral pledged for the Company's CDOs as well as the Company's net investments in the related securitizations.

The following tables present a summary of the Company's CDOs as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	September 30, 2021
	Outstanding Face Amount		Carrying Value		Weighted Average Interest Rate (1)		Weighted Average Rate of Notes Issued (2)		Stated Maturity (3)
Consolidated SLST (4)	$	861,184	$	904,976	2.75	%	3.53	%	2059
Residential loan securitizations	714,058		710,102		2.42	%	3.38	%	2026 - 2061
Total collateralized debt obligations	$	1,575,242	$	1,615,078

(1)Weighted average interest rate is calculated using the outstanding face amount and stated interest rate of notes issued by the securitization and not owned by the Company.

(2)Weighted average rate of notes issued is calculated using the outstanding face amount and stated interest rate of all notes issued by the securitizations, including those owned by the Company.

(3)The actual maturity of the Company's CDOs are primarily determined by the rate of principal prepayments on the assets of the issuing entity. The CDOs are also subject to redemption prior to the stated maturity according to the terms of the respective governing documents. As a result, the actual maturity of the CDOs may occur earlier than the stated maturity.

(4)The Company has elected the fair value option for CDOs issued by Consolidated SLST (see Note 14).

	December 31, 2020
	Outstanding Face Amount		Carrying Value		Weighted Average Interest Rate (1)			Weighted Average Rate of Notes Issued (2)			Stated Maturity (3)
Consolidated SLST (4)	$	975,017	$	1,054,335	2.75	%		3.53	%		2059
Residential loan securitizations	557,497		554,067		3.36	%		4.83	%		2025 - 2060
Non-Agency RMBS Re-Securitization	15,449		15,256		One-month LIBOR plus 5.25%		(5)	One-month LIBOR plus 5.25%		(5)	2025
Total collateralized debt obligations	$	1,547,963	$	1,623,658

(1)Weighted average interest rate is calculated using the outstanding face amount and stated interest rate of notes issued by the securitization and not owned by the Company.

(2)Weighted average rate of notes issued is calculated using the outstanding face amount and stated interest rate of all notes issued by the securitizations, including those owned by the Company.

(3)The actual maturity of the Company's CDOs are primarily determined by the rate of principal prepayments on the assets of the issuing entity. The CDOs are also subject to redemption prior to the stated maturity according to the terms of the respective governing documents. As a result, the actual maturity of the CDOs may occur earlier than the stated maturity.

(4)The Company has elected the fair value option for CDOs issued by Consolidated SLST (see Note 14).

(5)Represents the pass-through rate through the payment date in December 2021. During the nine months ended September 30, 2021, the Company exercised its right to an optional redemption of its non-Agency RMBS re-securitization.

The Company's collateralized debt obligations as of September 30, 2021 had stated maturities as follows:

Year ending December 31,	Total
2021	$	—
2022	—
2023	—
2024	—
2025	—
2026	180,000
Thereafter	1,395,242
Total	$	1,575,242

Debt

Convertible Notes    

As of September 30, 2021, the Company had $138.0 million aggregate principal amount of its 6.25% Senior Convertible Notes due 2022 (the "Convertible Notes") outstanding. Costs related to the issuance of the Convertible Notes which include underwriting, legal, accounting and other fees, are reflected as deferred charges. The underwriter's discount and deferred charges, net of amortization, are presented as a deduction from the corresponding debt liability on the Company's accompanying condensed consolidated balance sheets in the amount of $0.8 million and $2.7 million as of September 30, 2021 and December 31, 2020, respectively. The underwriter's discount and deferred charges are amortized as an adjustment to interest expense using the effective interest method, resulting in a total cost to the Company of approximately 8.24%.     

The Convertible Notes were issued at 96% of the principal amount, bear interest at a rate equal to 6.25% per year, payable semi-annually in arrears on January 15 and July 15 of each year, and mature on January 15, 2022, unless earlier converted or repurchased. The Company does not have the right to redeem the Convertible Notes prior to maturity and no sinking fund is provided for the Convertible Notes. Holders of the Convertible Notes are permitted to convert their Convertible Notes into shares of the Company's common stock at any time prior to the close of business on the business day immediately preceding January 15, 2022. The conversion rate for the Convertible Notes, which is subject to adjustment upon the occurrence of certain specified events, initially equals 142.7144 shares of the Company’s common stock per $1,000 principal amount of Convertible Notes, which is equivalent to a conversion price of approximately $7.01 per share of the Company’s common stock, based on a $1,000 principal amount of the Convertible Notes. The Convertible Notes are senior unsecured obligations of the Company that rank pari passu in right of payment with the Company's senior unsecured indebtedness and rank senior in right of payment to the Company's subordinated debentures and any of its other indebtedness that is expressly subordinated in right of payment to the Convertible Notes.

During the nine months ended September 30, 2021, none of the Convertible Notes were converted. As of November 4, 2021, the Company has not been notified, and is not aware, of any event of default under the indenture for the Convertible Notes.

Senior Unsecured Notes    

On April 27, 2021, the Company completed the issuance and sale to various qualified institutional investors of $100.0 million aggregate principal amount of its unregistered 5.75% Senior Notes due 2026 (the "Unregistered Notes") in a private placement offering at 100% of the principal amount. The net proceeds to the Company from the sale of the Unregistered Notes, after deducting offering expenses, were approximately $96.3 million. Subsequent to the issuance of the Unregistered Notes, the Company conducted an exchange offer wherein the Company exchanged its registered 5.75% Senior Notes due 2026 (the "Registered Notes" and, together with the aggregate principal amount of Unregistered Notes that remain outstanding, the "Senior Unsecured Notes") for an equal principal amount of Unregistered Notes.

As of September 30, 2021, the Company had $100.0 million aggregate principal amount of its Senior Unsecured Notes outstanding. Costs related to the issuance of the Senior Unsecured Notes which include underwriting, legal, accounting and other fees, are reflected as deferred charges. The deferred charges, net of amortization, are presented as a deduction from the corresponding debt liability on the Company's accompanying condensed consolidated balance sheets in the amount of $3.5 million as of September 30, 2021. The deferred charges are amortized as an adjustment to interest expense using the effective interest method, resulting in a total cost to the Company of approximately 6.64%.     

The Senior Unsecured Notes bear interest at a rate of 5.75% per year, subject to adjustment from time to time based on changes in the ratings of the Senior Unsecured Notes by one or more nationally recognized statistical rating organizations (a “NRSRO”). The annual interest rate on the Senior Unsecured Notes will increase by (i) 0.50% per year beginning on the first day of any six-month interest period if as of such day the Senior Unsecured Notes have a rating of BB+ or below and above B+ from any NRSRO and (ii) 0.75% per year beginning on the first day of any six-month interest period if as of such day the Senior Unsecured Notes have a rating of B+ or below or no rating from any NRSRO. Interest on the Senior Unsecured Notes will be paid semi-annually in arrears on April 30 and October 30 of each year and the Senior Unsecured Notes will mature on April 30, 2026.

The Company has the right to redeem the Senior Unsecured Notes, in whole or in part, at any time prior to April 30, 2023 at a redemption price equal to 100% of the principal amount of the Senior Unsecured Notes to be redeemed, plus the applicable "make-whole" premium, plus accrued but unpaid interest, if any, to, but excluding, the redemption date. The "make-whole" premium is equal to the present value of all interest that would have accrued between the redemption date and up to, but excluding, April 30, 2023, plus an amount equal to the principal amount of such Senior Unsecured Notes multiplied by 2.875%. On and after April 30, 2023, the Company has the right to redeem the Senior Unsecured Notes, in whole or in part, at 100% of the principal amount of the Senior Unsecured Notes to be redeemed, plus accrued but unpaid interest, if any, to, but excluding, the redemption date, plus an amount equal to the principal amount of such Senior Unsecured Notes multiplied by a date-dependent multiple as detailed in the following table:

Redemption Period	Multiple
April 30, 2023 - April 29, 2024	2.875	%
April 30, 2024 - April 29, 2025	1.4375	%
April 30, 2025 - April 29, 2026	—

No sinking fund is provided for the Senior Unsecured Notes. The Senior Unsecured Notes are senior unsecured obligations of the Company that rank pari passu in right of payment with the Company's Convertible Notes and are structurally subordinated in right of payment to the Company's subordinated debentures.

As of September 30, 2021, the Company's Senior Unsecured Notes contain various covenants including the maintenance of a minimum net asset value, ratio of unencumbered assets to unsecured indebtedness and senior debt service coverage ratio and limit the amount of leverage the Company may utilize and its ability to transfer the Company’s assets substantially as an entirety or merge into or consolidate with another person. The Company is in compliance with such covenants as of September 30, 2021 and through the date of this Quarterly Report on Form 10-Q.

Subordinated Debentures

Subordinated debentures are trust preferred securities that are fully guaranteed by the Company with respect to distributions and amounts payable upon liquidation, redemption or repayment. The following table summarizes the key details of the Company’s subordinated debentures as of September 30, 2021 and December 31, 2020 (dollar amounts in thousands):

	NYM Preferred Trust I		NYM Preferred Trust II
Principal value of trust preferred securities	$	25,000	$	20,000
Interest rate	Three month LIBOR plus 3.75%, resetting quarterly		Three month LIBOR plus 3.95%, resetting quarterly
Scheduled maturity	March 30, 2035		October 30, 2035

As of November 4, 2021, the Company has not been notified, and is not aware, of any event of default under the indenture for the subordinated debentures.

Mortgages Payable on Operating Real Estate

During the nine months ended September 30, 2021, the Company invested in five joint venture investments that own multi-family apartment communities, which the Company determined to be VIEs and for which the Company is the primary beneficiary. Accordingly, the Company consolidated the joint venture entities into its condensed consolidated financial statements (see Note 7).

On November 12, 2020, the Company determined that it became the primary beneficiary of a VIE that owns a multi-family apartment community and in which the Company holds a preferred equity investment. Accordingly, on this date, the Company consolidated the VIE into its condensed consolidated financial statements. Subsequently, in July 2021, the VIE redeemed its non-controlling interest and the Company reconsidered its evaluation of its investment in the entity. The Company determined that the entity no longer met the criteria for being characterized as a VIE and is as a wholly-owned subsidiary of the Company (see Note 7).

The multi-family apartment communities held by the Consolidated VIEs and a wholly-owned subsidiary of the Company are subject to mortgages payable for which the Company has no obligation for repayment as of September 30, 2021. The following table presents detailed information for these mortgages payable on operating real estate as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	Outstanding Mortgage Balance		Net Deferred Finance Cost		Mortgage Payable, Net		Stated Maturity	Weighted Average Interest Rate (1)		Unfunded Commitment
September 30, 2021	$	203,786	$	(3,066)	$	200,720	2024 - 2031	3.25	%	$	12,188
December 31, 2020	37,030		(278)		36,752		2028	2.54	%	—

(1)Weighted average interest rate is calculated using the outstanding mortgage balance and interest rate as of the date indicated.

Debt Maturities

As of September 30, 2021, maturities for debt on the Company's condensed consolidated balance sheet are as follows (dollar amounts in thousands):

Year Ending December 31,	Total
2021	$	—
2022	138,000
2023	—
2024	108,676
2025	—
2026	100,000
Thereafter	140,110
	$	486,786

XML

Commitments and Contingencies

9 Months Ended

Sep. 30, 2021

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies

Impact of COVID-19

As further discussed in Note 2, the full extent of the impact of the COVID-19 pandemic on the global economy generally, and the Company's business in particular, is uncertain. As of September 30, 2021, no contingencies have been recorded on our condensed consolidated balance sheets as a result of the COVID-19 pandemic; however, as the global pandemic and its economic implications continue, it may have long-term impacts on the Company's operations, financial condition, liquidity or cash flows.

Outstanding Litigation

The Company is at times subject to various legal proceedings arising in the ordinary course of business. As of September 30, 2021, the Company does not believe that any of its current legal proceedings, individually or in the aggregate, will have a material adverse effect on the Company’s operations, financial condition or cash flows.

XML

Fair Value of Financial Instruments

9 Months Ended

Sep. 30, 2021

Fair Value Disclosures [Abstract]

Fair Value of Financial Instruments

Fair Value of Financial Instruments

The Company has established and documented processes for determining fair values. Fair value is based upon quoted market prices, where available. If listed prices or quotes are not available, then fair value is based upon internally developed models that primarily use inputs that are market-based or independently sourced market parameters, including interest rate yield curves.

A financial instrument’s categorization within the valuation hierarchy is based upon the lowest level of input that is significant to the fair value measurement. The three levels of valuation hierarchy are defined as follows:

Level 1 - inputs to the valuation methodology are quoted prices (unadjusted) for identical assets or liabilities in active markets.

Level 2 - inputs to the valuation methodology include quoted prices for similar assets and liabilities in active markets, and inputs that are observable for the asset or liability, either directly or indirectly, for substantially the full term of the financial instrument.

Level 3 - inputs to the valuation methodology are unobservable and significant to the fair value measurement.

The following describes the valuation methodologies used for the Company’s financial instruments measured at fair value, as well as the general classification of such instruments pursuant to the valuation hierarchy.

a.Residential Loans Held in Consolidated SLST and Multi-Family Loans Held in the Consolidated K-Series –Residential loans held in Consolidated SLST and multi-family loans held in the Consolidated K-Series are carried at fair value and classified as Level 3 fair values. In accordance with the practical expedient in ASC 810, the Company determines the fair value of residential loans held in Consolidated SLST and multi-family loans held in the Consolidated K-Series based on the fair value of the CDOs issued by these securitizations and its investment in these securitizations (eliminated in consolidation in accordance with GAAP), as the fair value of these instruments is more observable.

The investment securities (eliminated in consolidation in accordance with GAAP) that we own in these securitizations are generally illiquid and trade infrequently. As such, they are classified as Level 3 in the fair value hierarchy. The fair valuation of these investment securities is determined based on an internal valuation model that considers expected cash flows from the underlying loans and yields required by market participants. The significant unobservable inputs used in the measurement of these investments are projected losses within the pool of loans and a discount rate. The discount rate used in determining fair value incorporates default rate, loss severity, prepayment rate and current market interest rates. Significant increases or decreases in these inputs would result in a significantly lower or higher fair value measurement.

b.Residential Loans and Residential Loans Held in Securitization Trusts – The Company’s acquired residential loans are recorded at fair value and classified as Level 3 in the fair value hierarchy. The fair value for residential loans is determined using valuations obtained from a third party that specializes in providing valuations of residential loans. The valuation approach depends on whether the residential loan is considered performing, re-performing or non-performing at the date the valuation is performed.

For performing and re-performing loans, estimates of fair value are derived using a discounted cash flow model, where estimates of cash flows are determined from scheduled payments for each loan, adjusted using forecast prepayment rates, default rates and rates for loss upon default. For non-performing loans, asset liquidation cash flows are derived based on the estimated time to liquidate the loan, expected liquidation costs and home price appreciation. Estimated cash flows for both performing and non-performing loans are discounted at yields considered appropriate to arrive at a reasonable exit price for the asset. Indications of loan value such as actual trades, bids, offers and generic market color may be used in determining the appropriate discount yield.

c.Preferred Equity and Mezzanine Loan Investments – Fair value for preferred equity and mezzanine loan investments is determined by both market comparable pricing and discounted cash flows. The discounted cash flows are based on the underlying estimated cash flows and estimated changes in market yields. The fair value also reflects consideration of changes in credit risk since the origination or time of initial investment. This fair value measurement is generally based on unobservable inputs and, as such, is classified as Level 3 in the fair value hierarchy.

d.Investment Securities Available for Sale – The Company determines the fair value of all of its investment securities available for sale based on discounted cash flows utilizing an internal pricing model. The methodology considers the characteristics of the particular security and its underlying collateral, which are observable inputs. These inputs include, but are not limited to, delinquency status, coupon, loan-to-value ("LTV"), historical performance, periodic and life caps, collateral type, rate reset period, seasoning, prepayment speeds and credit enhancement levels. The Company also considers several observable market data points, including prices obtained from third-party pricing services or dealers who make markets in similar financial instruments, trading activity, and dialogue with market participants. Third-party pricing services typically incorporate commonly used market pricing methods, trading activity observed in the marketplace and other data inputs similar to those used in the Company's internal pricing model. The Company has established thresholds to compare internally generated prices with independent third-party prices and any differences that exceed the thresholds are reviewed both internally and with the third-party pricing service. The Company reconciles and resolves all pricing differences in excess of the thresholds before a final price is established. The Company’s investment securities available for sale are valued based upon readily observable market parameters and are classified as Level 2 fair values.

e.Equity Investments – Fair value for equity investments is determined (i) by the valuation process for preferred equity and mezzanine loan investments as described in c. above or (ii) using the net asset value ("NAV") of the equity investment entity as a practical expedient. These fair value measurements are generally based on unobservable inputs and, as such, are classified as Level 3 in the fair value hierarchy.

f.Derivative Instruments – The Company’s derivative instruments were classified as Level 2 fair values and were measured using valuations reported by the clearing house, CME Clearing, through which these instruments were cleared. The derivatives were presented net of variation margin payments pledged or received. The Company had no outstanding derivative instruments as of September 30, 2021 and December 31, 2020.

g.Collateralized Debt Obligations – CDOs issued by Consolidated SLST and the Consolidated K-Series are classified as Level 3 fair values for which fair value is determined by considering several market data points, including prices obtained from third-party pricing services or dealers who make markets in similar financial instruments. The third-party pricing service or dealers incorporate common market pricing methods, including a spread measurement to the Treasury curve or interest rate swap curve as well as underlying characteristics of the particular security. They will also consider contractual cash payments and yields expected by market participants.

Refer to a. above for a description of the fair valuation of CDOs issued by Consolidated SLST and the Consolidated K-Series that are eliminated in consolidation.

Management reviews all prices used in determining fair value to ensure they represent current market conditions. This review includes surveying similar market transactions and comparisons to interest pricing models as well as offerings of like securities by dealers. Any changes to the valuation methodology are reviewed by management to ensure the changes are appropriate. As markets and products develop and the pricing for certain products becomes more transparent, the Company continues to refine its valuation methodologies. The methods described above may produce a fair value calculation that may not be indicative of net realizable value or reflective of future fair values. Furthermore, while the Company believes its valuation methods are appropriate and consistent with other market participants, the use of different methodologies, or assumptions, to determine the fair value of certain financial instruments could result in a different estimate of fair value at the reporting date. The Company uses inputs that are current as of each reporting date, which may include periods of market dislocation, during which time price transparency may be reduced. This condition could cause the Company’s financial instruments to be reclassified from Level 2 to Level 3 in future periods.

The following table presents the Company’s financial instruments measured at fair value on a recurring basis as of September 30, 2021 and December 31, 2020, respectively, on the Company’s condensed consolidated balance sheets (dollar amounts in thousands):

	Measured at Fair Value on a Recurring Basis at
	September 30, 2021								December 31, 2020
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Assets carried at fair value
Residential loans:
Residential loans	$	—	$	—	$	1,325,219	$	1,325,219	$	—	$	—	$	1,090,930	$	1,090,930
Consolidated SLST	—		—		1,137,005		1,137,005		—		—		1,266,785		1,266,785
Residential loans held in securitization trusts	—		—		811,583		811,583		—		—		691,451		691,451
Multi-family loans	—		—		119,812		119,812		—		—		163,593		163,593
Investment securities available for sale:
Agency RMBS	—		125,589		—		125,589		—		139,395		—		139,395
Non-Agency RMBS	—		224,776		—		224,776		—		355,666		—		355,666
CMBS	—		56,243		—		56,243		—		186,440		—		186,440
ABS	—		41,485		—		41,485		—		43,225		—		43,225
Equity investments	—		—		255,014		255,014		—		—		259,095		259,095
Total	$	—	$	448,093	$	3,648,633	$	4,096,726	$	—	$	724,726	$	3,471,854	$	4,196,580
Liabilities carried at fair value
Consolidated SLST CDOs	$	—	$	—	$	904,976	$	904,976	$	—	$	—	$	1,054,335	$	1,054,335
Total	$	—	$	—	$	904,976	$	904,976	$	—	$	—	$	1,054,335	$	1,054,335

The following tables detail changes in valuation for the Level 3 assets for the nine months ended September 30, 2021 and 2020, respectively (dollar amounts in thousands):

Level 3 Assets:

	Nine Months Ended September 30, 2021
	Residential loans
	Residential loans		Consolidated SLST		Residential loans held in securitization trusts		Multi-family loans		Equity investments		Total
Balance at beginning of period	$	1,090,930	$	1,266,785	$	691,451	$	163,593	$	259,095	$	3,471,854
Total gains/(losses) (realized/unrealized)
Included in earnings	28,094		(16,522)		34,901		14,811		22,021		83,305
Transfers out (1)	(2,080)		—		(1,707)		—		—		(3,787)
Transfer to securitization trust, net (2)	(236,751)		—		236,751		—		—		—
Funding/Contributions	—		—		—		7,970		45,230		53,200
Paydowns/Distributions	(464,097)		(113,258)		(149,019)		(66,562)		(71,332)		(864,268)
Sales	(65,076)		—		(2,376)		—		—		(67,452)
Purchases	974,199		—		1,582		—		—		975,781
Balance at the end of period	$	1,325,219	$	1,137,005	$	811,583	$	119,812	$	255,014	$	3,648,633

(1)Transfers out of Level 3 assets represents the transfer of residential loans to real estate owned.

(2)In May 2021, the Company completed a securitization of certain business purpose loans. In August 2021, the Company redeemed a residential loan securitization and completed a new residential loan securitization of certain performing, re-performing and non-performing residential loans (see Note 7 for further discussion of the Company's residential loan securitizations).

	Nine Months Ended September 30, 2020
	Residential loans						Multi-family loans
	Residential loans		Consolidated SLST		Residential loans held in securitization trusts		Preferred equity and mezzanine loan investments		Consolidated K-Series		Equity investments		Total
Balance at beginning of period	$	1,429,754	$	1,328,886	$	—	$	—	$	17,816,746	$	83,882	$	20,659,268
Total (losses)/gains (realized/unrealized)
Included in earnings	(26,069)		24,096		8,836		9,760		41,795		14,573		72,991
Transfers in (1)	164,279		—		46,572		182,465		—		107,477		500,793
Transfers out (2) (3)	(5,061)		—		(1,497)		—		(237,297)		—		(243,855)
Transfer to securitization trust, net (4)	(317,089)		—		317,089		—		—		—		—
Funding/Contributions	—		—		—		13,712		—		35,951		49,663
Paydowns/Distributions	(224,073)		(62,977)		(15,514)		(22,783)		(239,796)		(23,177)		(588,320)
Recovery of charge-off	—		—		—		—		35		—		35
Sales (3)	(93,755)		—		—		—		(17,381,483)		—		(17,475,238)
Purchases	249,312		—		—		—		—		—		249,312
Balance at the end of period	$	1,177,298	$	1,290,005	$	355,486	$	183,154	$	—	$	218,706	$	3,224,649

(1)As of January 1, 2020, the Company elected to account for all residential loans, residential loans held in securitization trusts, equity investments and preferred equity and mezzanine loan investments using the fair value option.

(2)Transfers out of Level 3 assets includes the transfer of residential loans to real estate owned.

(3)During the nine months ended September 30, 2020, the Company sold first loss PO securities included in the Consolidated K-Series and, as a result, de-consolidated multi-family loans held in the Consolidated K-Series and transferred its remaining securities owned in the Consolidated K-Series to investment securities available for sale (see Note 7).

(4)In July 2020, the Company completed a securitization of certain performing, re-performing and non-performing residential loans (see Note 7).

The following tables detail changes in valuation for the Level 3 liabilities for the nine months ended September 30, 2021 and 2020, respectively (dollar amounts in thousands):

Level 3 Liabilities:

	Nine Months Ended September 30, 2021
	Consolidated SLST CDOs
Balance at beginning of period	$	1,054,335
Total gains (realized/unrealized)
Included in earnings	(35,525)
Paydowns	(113,834)
Balance at the end of period	$	904,976

	Nine Months Ended September 30, 2020
	Collateralized debt obligations
	Consolidated K-Series		Consolidated SLST		Total
Balance at beginning of period	$	16,724,451	$	1,052,829	$	17,777,280
Total losses/(gains) (realized/unrealized)
Included in earnings	35,018		66,203		101,221
Paydowns	(147,376)		(63,278)		(210,654)
Sales (1)	(16,612,093)		22,226		(16,589,867)
Balance at the end of period	$	—	$	1,077,980	$	1,077,980

(1)During the nine months ended September 30, 2020, the Company sold first loss PO securities included in the Consolidated K-Series and, as a result, de-consolidated the Consolidated K-Series CDOs (see Note 7). Also includes the Company's net sales of senior securities issued by Consolidated SLST during the nine months ended September 30, 2020 (see Note 7).

The following table discloses quantitative information regarding the significant unobservable inputs used in the valuation of our Level 3 assets and liabilities measured at fair value (dollar amounts in thousands, except input values):

September 30, 2021	Fair Value	Valuation Technique	Unobservable Input	Weighted Average	Range
Assets
Residential loans:
Residential loans and residential loans held in securitization trusts (1)	$2,044,724	Discounted cash flow	Lifetime CPR	8.5%	—	-	51.3%
			Lifetime CDR	0.7%	—	-	28.7%
			Loss severity	10.4%	—	-	100.0%
			Yield	4.8%	2.4%	-	48.7%
	$92,078	Liquidation model	Annual home price appreciation	1.4%	—	-	25.4%
			Liquidation timeline (months)	30	9	-	53
			Property value	$720,766	$15,000	-	$6,500,000
			Yield	7.1%	7.0%	-	28.0%
Consolidated SLST (3)	$1,137,005		Liability price	N/A
Total	$3,273,807
Multi-family loans (1)	$119,812	Discounted cash flow	Discount rate	11.5%	11.0%	-	19.5%
			Months to assumed redemption	23	1	-	60
			Loss severity	—
Equity investments (1) (2)	$237,925	Discounted cash flow	Discount rate	11.9%	11.0%	-	18.3%
			Months to assumed redemption	26	1	-	60
			Loss severity	—
Liabilities
Consolidated SLST CDOs (3) (4)	$904,976	Discounted cash flow	Yield	2.6%	1.5%	-	23.3%
			Collateral prepayment rate	5.7%	2.5%	-	6.4%
			Collateral default rate	1.8%	—	-	9.4%
			Loss severity	18.7%	—	-	21.2%

(1)Weighted average amounts are calculated based on the weighted average fair value of the assets.

(2)Equity investments does not include equity ownership interests in entities that invest in residential properties. The fair value of these investments is determined using the net asset value ("NAV") as a practical expedient.

(3)In accordance with the practical expedient in ASC 810, the Company determines the fair value of the residential loans held in Consolidated SLST based on the fair value of the CDOs issued by Consolidated SLST, including investment securities we own, as the fair value of these instruments is more observable. At September 30, 2021, the fair value of investment securities we own in Consolidated SLST amounts to $231.1 million.

(4)Weighted average yield calculated based on the weighted average fair value of the liabilities. Weighted average collateral prepayment rate, weighted average collateral default rate, and weighted average loss severity are calculated based on the weighted average unpaid balance of the liabilities.

The following table details the changes in unrealized gains (losses) included in earnings for the three and nine months ended September 30, 2021 and 2020, respectively, for our Level 3 assets and liabilities held as of September 30, 2021 and 2020, respectively (dollar amounts in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Assets
Residential loans:
Residential loans (1)	$	7,881	$	35,420	$	21,476	$	(883)
Consolidated SLST (1)	6,287		41,063		(12,585)		28,014
Residential loans held in securitization trusts (1)	12,791		817		31,015		(823)
Multi-family loans (1)	538		(955)		1,203		(6,518)
Equity investments (2)	(294)		7		634		(4,052)
Liabilities
Consolidated SLST CDOs (1)	(1,985)		(13,918)		35,905		(62,907)

(1)Presented in unrealized gains (losses), net on the Company's condensed consolidated statements of operations.

(2)Presented in income from equity investments on the Company's condensed consolidated statements of operations.

The following table presents the carrying value and estimated fair value of the Company’s financial instruments at September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

		September 30, 2021				December 31, 2020
	Fair Value Hierarchy Level	Carrying Value		Estimated Fair Value		Carrying Value		Estimated Fair Value
Financial Assets:
Cash and cash equivalents	Level 1	$	408,785	$	408,785	$	293,183	$	293,183
Residential loans	Level 3	3,273,807		3,273,807		3,049,166		3,049,166
Multi-family loans	Level 3	119,812		119,812		163,593		163,593
Investment securities available for sale	Level 2	448,093		448,093		724,726		724,726
Equity investments	Level 3	255,014		255,014		259,095		259,095
Financial Liabilities:
Repurchase agreements	Level 2	334,556		334,556		405,531		405,531
Collateralized debt obligations:
Residential loan securitizations at amortized cost, net	Level 3	710,102		714,176		554,067		561,329
Consolidated SLST	Level 3	904,976		904,976		1,054,335		1,054,335
Non-Agency RMBS re-securitization	Level 2	—		—		15,256		15,472
Subordinated debentures	Level 3	45,000		44,188		45,000		36,871
Convertible notes	Level 2	137,240		139,474		135,327		137,716
Senior unsecured notes	Level 2	96,540		104,794		—		—
Mortgages payable on operating real estate	Level 3	200,720		200,720		36,752		36,752

In addition to the methodology to determine the fair value of the Company’s financial assets and liabilities reported at fair value, as previously described, the following methods and assumptions were used by the Company in arriving at the fair value of the Company’s other financial instruments in the table immediately above:

a.Cash and cash equivalents – Estimated fair value approximates the carrying value of such assets.

b.Repurchase agreements – The fair value of these repurchase agreements approximates cost as they are short term in nature.

c.Residential loan securitizations at amortized cost, net and non-Agency RMBS re-securitization – The fair value of these CDOs is based on discounted cash flows as well as market pricing on comparable obligations.

d.Subordinated debentures – The fair value of these subordinated debentures is based on discounted cash flows using management’s estimate for market yields.

e.Convertible notes and senior unsecured notes – The fair value is based on quoted prices provided by dealers who make markets in similar financial instruments.

f.Mortgages payable on operating real estate – Estimated fair value approximates the carrying value of such liabilities.

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Stockholders' Equity

9 Months Ended

Sep. 30, 2021

Stockholders' Equity Note [Abstract]

Stockholders' Equity

Stockholders' Equity

(a) Preferred Stock

The Company had 200,000,000 authorized shares of preferred stock, par value $0.01 per share, with 22,441,081 shares and 20,872,888 shares issued and outstanding as of September 30, 2021 and December 31, 2020, respectively.

As of September 30, 2021, the Company has four outstanding series of cumulative redeemable preferred stock (the “Preferred Stock”): 7.75% Series B Cumulative Redeemable Preferred Stock (“Series B Preferred Stock”), 8.00% Series D Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock (“Series D Preferred Stock”), 7.875% Series E Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock (“Series E Preferred Stock”) and 6.875% Series F Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock (“Series F Preferred Stock”). Each series of the Preferred Stock is senior to the Company’s common stock with respect to dividends and distributions upon liquidation, dissolution or winding up.

In July 2021, the Company issued 5,750,000 shares of the Company's Series F Preferred Stock, with a par value of $0.01 per share and a liquidation preference of $25.00 per share, in an underwritten public offering, for net proceeds of approximately $138.6 million after deducting underwriting discounts and commissions and offering expenses. On August 6, 2021, the Company classified and designated an additional 2,000,000 shares of the Company’s authorized but unissued preferred stock as Series F Preferred Stock.

In July 2021, the Company redeemed all outstanding shares of its 7.875% Series C Cumulative Redeemable Preferred Stock (“Series C Preferred Stock”) at an aggregate redemption price of approximately $25.08 per share, which included accumulated and unpaid dividends up to, but not including, the redemption date. The excess of the $25.00 liquidation price per share over the carrying value of the Series C Preferred Stock resulted in a charge of $3.4 million to net income attributable to Company's common stockholders for the three and nine months ended September 30, 2021.

The following table summarizes the Company’s Preferred Stock issued and outstanding as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

September 30, 2021

Class of Preferred Stock	Shares Authorized	Shares Issued and Outstanding	Carrying Value		Liquidation Preference		Contractual Rate (1)		Optional Redemption Date (2)	Fixed-to-Floating Rate Conversion Date (1)(3)	Floating Annual Rate (4)
Fixed Rate
Series B	6,000,000	3,156,087	$	76,180	$	78,902	7.750	%	June 4, 2018
Fixed-to-Floating Rate
Series D	8,400,000	6,123,495	148,134		153,087		8.000	%	October 15, 2027	October 15, 2027	3M LIBOR + 5.695%
Series E	9,900,000	7,411,499	179,349		185,288		7.875	%	January 15, 2025	January 15, 2025	3M LIBOR + 6.429%
Series F	7,750,000	5,750,000	138,569		143,750		6.875	%	October 15, 2026	October 15, 2026	3M SOFR + 6.130%
Total	32,050,000	22,441,081	$	542,232	$	561,027

December 31, 2020

Class of Preferred Stock	Shares Authorized	Shares Issued and Outstanding	Carrying Value		Liquidation Preference		Contractual Rate (1)		Optional Redemption Date (2)	Fixed-to-Floating Rate Conversion Date (1)(3)	Floating Annual Rate (4)
Fixed Rate
Series B	6,000,000	3,156,087	$	76,180	$	78,902	7.750	%	June 4, 2018
Series C	6,600,000	4,181,807	101,102		104,545		7.875	%	April 22, 2020
Fixed-to-Floating Rate
Series D	8,400,000	6,123,495	148,134		153,087		8.000	%	October 15, 2027	October 15, 2027	3M LIBOR + 5.695%
Series E	9,900,000	7,411,499	179,349		185,288		7.875	%	January 15, 2025	January 15, 2025	3M LIBOR + 6.429%
Total	30,900,000	20,872,888	$	504,765	$	521,822

(1)Each series of fixed rate preferred stock is entitled to receive a dividend at the contractual rate shown, respectively, per year on its $25 liquidation preference. Each series of fixed-to-floating rate preferred stock is entitled to receive a dividend at the contractual rate shown, respectively, per year on its $25 liquidation preference up to, but excluding, the fixed-to-floating rate conversion date.

(2)Each series of Preferred Stock is not redeemable by the Company prior to the respective optional redemption date disclosed except under circumstances intended to preserve the Company’s qualification as a REIT and except upon occurrence of a Change in Control (as defined in the Articles Supplementary designating the Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stock, respectively). Refer above for disclosure regarding the optional redemption of the Company's Series C Preferred Stock.

(3)Beginning on the respective fixed-to-floating rate conversion date, each of the Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stock is entitled to receive a dividend on a floating rate basis according to the terms disclosed in footnote (4) below.

(4)On and after the fixed-to-floating rate conversion date, each of the Series D Preferred Stock and Series E Preferred Stock is entitled to receive a dividend at a floating rate equal to three-month LIBOR plus the respective spread disclosed above per year on its $25 liquidation preference. On and after the fixed-to-floating rate conversion date, the Series F Preferred Stock is entitled to receive a dividend at a floating rate equal to three-month SOFR plus the spread disclosed above per year on its $25 liquidation preference.

For each series of Preferred Stock, on or after the respective optional redemption date disclosed, the Company may, at its option, redeem the respective series of Preferred Stock in whole or in part, at any time or from time to time, for cash at a redemption price equal to $25.00 per share, plus any accumulated and unpaid dividends. In addition, upon the occurrence of a change of control, the Company may, at its option, redeem the Preferred Stock in whole or in part, within 120 days after the first date on which such change of control occurred, for cash at a redemption price of $25.00 per share, plus any accumulated and unpaid dividends.

The Preferred Stock generally do not have any voting rights, subject to an exception in the event the Company fails to pay dividends on such stock for six or more quarterly periods (whether or not consecutive). Under such circumstances, holders of the Preferred Stock voting together as a single class with the holders of all other classes or series of our preferred stock upon which like voting rights have been conferred and are exercisable and which are entitled to vote as a class with the Preferred Stock will be entitled to vote to elect two additional directors to the Company’s Board of Directors (the "Board") until all unpaid dividends have been paid or declared and set apart for payment. In addition, certain material and adverse changes to the terms of any series of the Preferred Stock cannot be made without the affirmative vote of holders of at least two-thirds of the outstanding shares of the series of Preferred Stock whose terms are being changed.

The Preferred Stock has no stated maturity, is not subject to any sinking fund or mandatory redemption and will remain outstanding indefinitely unless repurchased or redeemed by the Company or converted into the Company’s common stock in connection with a change of control.

Upon the occurrence of a change of control, each holder of Preferred Stock will have the right (unless the Company has exercised its right to redeem the Preferred Stock) to convert some or all of the Preferred Stock held by such holder into a number of shares of our common stock per share of the applicable series of Preferred Stock determined by a formula, in each case, on the terms and subject to the conditions described in the applicable Articles Supplementary for such series.

(b) Dividends on Preferred Stock

From the time of original issuance of the Preferred Stock through December 31, 2019, the Company declared and paid all required quarterly dividends on such series of stock. On March 23, 2020, the Company announced that it had suspended quarterly dividends on its Preferred Stock that would have been payable in April 2020 to focus on conserving capital during the difficult market conditions resulting from the COVID-19 pandemic. On June 15, 2020, the Company reinstated the payment of dividends on its Preferred Stock and declared dividends in arrears for the quarterly period that began on January 15, 2020 and ended on April 14, 2020. The following table presents the relevant information with respect to quarterly cash dividends declared on the Preferred Stock commencing January 1, 2020 through September 30, 2021:

			Cash Dividend Per Share
Declaration Date	Record Date	Payment Date	Series B Preferred Stock			Series C Preferred Stock			Series D Preferred Stock			Series E Preferred Stock			Series F Preferred Stock
September 13, 2021	October 1, 2021	October 15, 2021	$	0.484375		$	—	(1)	$	0.50		$	0.4921875		$	0.4679	(2)
June 14, 2021	July 1, 2021	July 15, 2021	0.484375			0.4921875			0.50			0.4921875			—
March 15, 2021	April 1, 2021	April 15, 2021	0.484375			0.4921875			0.50			0.4921875			—
December 7, 2020	January 1, 2021	January 15, 2021	0.484375			0.4921875			0.50			0.4921875			—
September 14, 2020	October 1, 2020	October 15, 2020	0.484375			0.4921875			0.50			0.4921875			—
June 15, 2020	July 1, 2020	July 15, 2020	0.968750		(3)	0.9843750		(3)	1.00		(3)	0.9843750		(3)	—

(1)Refer above for disclosure regarding the optional redemption of the Company's Series C Preferred Stock.

(2)Cash dividend for the long initial dividend period that began on July 7, 2021 and ended on October 14, 2021.

(3)Preferred Stock dividends declared on June 15, 2020 included cash dividends in arrears for the quarterly period that began on January 15, 2020 and ended on April 14, 2020 and cash dividends for the quarterly period that began on April 15, 2020 and ended on July 14, 2020.

(c) Dividends on Common Stock

On March 23, 2020, the Company announced that it had suspended its quarterly dividend on common stock for the first quarter of 2020 to focus on conserving capital during the difficult market conditions resulting from the COVID-19 pandemic. As a result, the Company did not declare a cash dividend on its common stock during the three months ended March 31, 2020. Beginning in the second quarter of 2020, the Company has declared a regular quarterly cash dividend in each quarterly period through September 30, 2021. The following table presents cash dividends declared by the Company on its common stock with respect to the quarterly periods commencing January 1, 2020 and ended September 30, 2021:

Period	Declaration Date	Record Date	Payment Date	Cash Dividend Per Share
Third Quarter 2021	September 13, 2021	September 23, 2021	October 25, 2021	$	0.100
Second Quarter 2021	June 14, 2021	June 24, 2021	July 26, 2021	0.100
First Quarter 2021	March 15, 2021	March 25, 2021	April 26, 2021	0.100
Fourth Quarter 2020	December 7, 2020	December 17, 2020	January 25, 2021	0.100
Third Quarter 2020	September 14, 2020	September 24, 2020	October 26, 2020	0.075
Second Quarter 2020	June 15, 2020	July 1, 2020	July 27, 2020	0.050

(d) Equity Distribution Agreements

On August 10, 2021, the Company entered into an equity distribution agreement (the “Common Equity Distribution Agreement”) with a sales agent, pursuant to which the Company may offer and sell shares of its common stock, par value $0.01 per share, having a maximum aggregate sales price of up to $100.0 million from time to time through the sales agent. The Company has no obligation to sell any of the shares of common stock issuable under the Common Equity Distribution Agreement and may at any time suspend solicitations and offers under the Common Equity Distribution Agreement.

The Common Equity Distribution Agreement replaces the Company's prior equity distribution agreement with a sales agent dated as of August 10, 2017, as amended on September 10, 2018 (collectively, the "Prior Equity Distribution Agreement"), pursuant to which approximately $72.5 million of aggregate value of the Company's common stock remained available for issuance prior to termination.

There were no shares of the Company's common stock issued under the Common Equity Distribution Agreement and the Prior Equity Distribution Agreement during the three and nine months ended September 30, 2021 and 2020. As of September 30, 2021, $100.0 million of common stock remains available for issuance under the Common Equity Distribution Agreement.

On March 29, 2019, the Company entered into an equity distribution agreement (the "Preferred Equity Distribution Agreement") with a sales agent, pursuant to which the Company may offer and sell shares of the Company's Series B Preferred Stock, Series C Preferred Stock and Series D Preferred Stock, having a maximum aggregate gross sales price of up to $50.0 million, from time to time through the sales agent. On November 27, 2019, the Company entered into an amendment to the Preferred Equity Distribution Agreement that increased the maximum aggregate sales price to $131.5 million. The amendment also provided for the inclusion of sales of the Company’s Series E Preferred Stock. On August 10, 2021, the Company entered into an amendment to the Preferred Equity Distribution Agreement that increased the maximum aggregate sales price to $149.1 million. The amendment also provided for the inclusion of sales of the Company's Series F Preferred Stock and the exclusion of sales of the Company's Series C Preferred Stock. The Company has no obligation to sell any of the shares of Preferred Stock issuable under the Preferred Equity Distribution Agreement and may at any time suspend solicitations and offers under the Preferred Equity Distribution Agreement.

There were no shares of Preferred Stock issued under the Preferred Equity Distribution Agreement during the three and nine months ended September 30, 2021 and 2020. As of September 30, 2021, approximately $100.0 million of Preferred Stock remains available for issuance under the Preferred Equity Distribution Agreement.

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Earnings (Loss) Per Common Share

9 Months Ended

Sep. 30, 2021

Earnings Per Share [Abstract]

Earnings (Loss) Per Common Share

Earnings (Loss) Per Common Share

The Company calculates basic earnings (loss) per common share by dividing net income (loss) attributable to the Company's common stockholders for the period by weighted-average shares of common stock outstanding for that period. Diluted earnings (loss) per common share takes into account the effect of dilutive instruments, such as convertible notes, performance share units ("PSUs") and restricted stock units ("RSUs"), and the number of incremental shares that are to be added to the weighted-average number of shares outstanding.

During the three and nine months ended September 30, 2021, the Company's Convertible Notes were determined to be anti-dilutive and were not included in the calculation of diluted earnings per common share. During the three months ended September 30, 2020, the Company's Convertible Notes were determined to be dilutive and were included in the calculation of diluted earnings per common share under the "if-converted" method. Under this method, the periodic interest expense (net of applicable taxes) for dilutive notes is added back to the numerator and the number of shares that the notes are entitled to (if converted, regardless of whether they are in or out of the money) are included in the denominator. During the nine months ended September 30, 2020, the Company's Convertible Notes were determined to be anti-dilutive and were not included in the calculation of diluted loss per common share.

During the three and nine months ended September 30, 2021, certain of the PSUs and RSUs awarded under the Company's 2017 Equity Incentive Plan (as amended, the "2017 Plan") were determined to be dilutive and were included in the calculation of diluted earnings per common share under the treasury stock method. Under this method, common equivalent shares are calculated assuming that target PSUs and outstanding RSUs vest according to the respective PSU and RSU agreements and unrecognized compensation cost is used to repurchase shares of the Company’s outstanding common stock at the average market price during the reported period. During the three months ended September 30, 2020, certain of the PSUs and RSUs awarded under the 2017 Plan were determined to be dilutive. During the nine months ended September 30, 2020, the PSUs and RSUs awarded under the 2017 Plan were determined to be anti-dilutive and were not included in the calculation of diluted loss per common share.

The following table presents the computation of basic and diluted earnings (loss) per common share for the periods indicated (dollar and share amounts in thousands, except per share amounts):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Basic Earnings (Loss) per Common Share:
Net income (loss) attributable to Company	$	51,576	$	101,641	$	157,024	$	(368,929)
Less: Preferred Stock dividends	(11,272)		(10,297)		(31,865)		(30,890)
Less: Preferred Stock redemption charge	(3,443)		—		(3,443)		—
Net income (loss) attributable to Company's common stockholders	$	36,861	$	91,344	$	121,716	$	(399,819)
Basic weighted average common shares outstanding	379,395		377,744		379,193		368,740
Basic Earnings (Loss) per Common Share	$	0.10	$	0.24	$	0.32	$	(1.08)
Diluted Earnings (Loss) per Common Share:
Net income (loss) attributable to Company	$	51,576	$	101,641	$	157,024	$	(368,929)
Less: Preferred Stock dividends	(11,272)		(10,297)		(31,865)		(30,890)
Less: Preferred Stock redemption charge	(3,443)		—		(3,443)		—
Add back: Interest expense on Convertible Notes for the period, net of tax	—		2,525		—		—
Net income (loss) attributable to Company's common stockholders	$	36,861	$	93,869	$	121,716	$	(399,819)
Weighted average common shares outstanding	379,395		377,744		379,193		368,740
Net effect of assumed Convertible Notes conversion to common shares	—		19,694		—		—
Net effect of assumed PSUs vested	1,378		369		1,746		—
Net effect of assumed RSUs vested	210		1,902		166		—
Diluted weighted average common shares outstanding	380,983		399,709		381,105		368,740
Diluted Earnings (Loss) per Common Share	$	0.10	$	0.23	$	0.32	$	(1.08)

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Stock Based Compensation

9 Months Ended

Sep. 30, 2021

Share-based Payment Arrangement [Abstract]

Stock Based Compensation

Stock Based Compensation

In May 2017, the Company’s stockholders approved the 2017 Plan, with such stockholder action resulting in the termination of the Company’s 2010 Stock Incentive Plan (the “2010 Plan”). The terms of the 2017 Plan, as amended from time to time, are substantially the same as the 2010 Plan. At September 30, 2021, there were no common shares of non-vested restricted stock outstanding under the 2010 Plan.

Pursuant to the 2017 Plan, eligible employees, officers and directors of the Company are offered the opportunity to acquire the Company's common stock through equity awards under the 2017 Plan. The maximum number of shares that may be issued under the 2017 Plan is 43,170,000.

Of the common stock authorized at September 30, 2021, 31,486,637 shares remain available for issuance under the 2017 Plan. The Company’s non-employee directors have been issued 687,503 shares under the 2017 Plan as of September 30, 2021. The Company’s employees have been issued 2,689,394 shares of restricted stock under the 2017 Plan as of September 30, 2021. At September 30, 2021, there were 1,790,342 shares of non-vested restricted stock outstanding, 6,168,886 common shares reserved for issuance in connection with outstanding PSUs under the 2017 Plan and 1,016,252 common shares reserved for issuance in connection with outstanding RSUs under the 2017 Plan.

Of the common stock authorized at December 31, 2020, 5,540,536 shares were reserved for issuance under the 2017 Plan. The Company's non-employee directors had been issued 507,821 shares under the 2017 Plan as of December 31, 2020. The Company’s employees had been issued 1,881,380 shares of restricted stock under the 2017 Plan as of December 31, 2020. At December 31, 2020, there were 1,603,766 shares of non-vested restricted stock outstanding, 4,798,517 common shares reserved for issuance in connection with outstanding PSUs under the 2017 Plan and 441,746 common shares reserved for issuance in connection with outstanding RSUs under the 2017 Plan.

(a) Restricted Common Stock Awards

During the three and nine months ended September 30, 2021, the Company recognized non-cash compensation expense on its restricted common stock awards of $1.0 million and $3.2 million, respectively. During the three and nine months ended September 30, 2020, the Company recognized non-cash compensation expense on its restricted common stock awards of $1.0 million and $2.8 million, respectively. Dividends are paid on all restricted common stock issued, whether those shares have vested or not. Non-vested restricted stock is forfeited upon the recipient's termination of employment, subject to certain exceptions.

A summary of the activity of the Company's non-vested restricted stock collectively under the 2010 Plan and 2017 Plan for the nine months ended September 30, 2021 and 2020, respectively, is presented below:

	2021			2020
	Number of Non-vested Restricted Shares	Weighted Average Per Share Grant Date Fair Value (1)		Number of Non-vested Restricted Shares	Weighted Average Per Share Grant Date Fair Value (1)
Non-vested shares as of January 1	1,603,766	$	6.27	837,123	$	6.18
Granted	939,446	3.82		1,054,254	6.33
Vested	(621,438)	5.41		(287,611)	6.22
Forfeited	(131,432)	4.92		—	—
Non-vested shares as of September 30	1,790,342	$	5.10	1,603,766	$	6.27
Restricted stock granted during the period	939,446	$	3.82	1,054,254	$	6.33

(1)The grant date fair value of restricted stock awards is based on the closing market price of the Company’s common stock at the grant date.

At September 30, 2021 and 2020, the Company had unrecognized compensation expense of $5.7 million and $6.9 million, respectively, related to the non-vested shares of restricted common stock under the 2017 Plan and 2010 Plan, collectively. The unrecognized compensation expense at September 30, 2021 is expected to be recognized over a weighted average period of 1.7 years. The total fair value of restricted shares vested during the nine months ended September 30, 2021 and 2020 was approximately $2.5 million and $1.8 million, respectively. The requisite service period for restricted stock awards at issuance is three years and the restricted common stock either vests ratably over the requisite service period or at the end of the requisite service period.

(b) Performance Share Units

During the nine months ended September 30, 2021 and 2020, the Company granted PSUs that had been approved by the Compensation Committee and the Board of Directors. Each PSU represents an unfunded promise to receive one share of the Company's common stock once the performance condition has been satisfied. The awards were issued pursuant to and are consistent with the terms and conditions of the 2017 Plan.

The PSU awards are subject to performance-based vesting under the 2017 Plan pursuant to the PSU award agreements ("PSU Agreements"). Vesting of the PSUs will occur at the end of three years based on the following:

•If three-year TSR performance relative to the Company's identified performance peer group (the "Relative TSR") is less than the 30th percentile, then 0% of the target PSUs will vest;

•If three-year Relative TSR performance is equal to the 30th percentile, then the Threshold % (as defined in the individual PSU Agreements) of the target PSUs will vest;

•If three-year Relative TSR performance is equal to the 50th percentile, then 100% of the target PSUs will vest; and

•If three-year Relative TSR performance is greater than or equal to the 80th percentile, then the Maximum % (as defined in the individual PSU Agreements) of the target PSUs will vest.

The percentage of target PSUs that vest for performance between the 30th, 50th, and 80th percentiles will be calculated using linear interpolation.

TSR for the Company and each member of the peer group will be determined by dividing (i) the sum of the cumulative amount of such entity’s dividends per share for the performance period and the arithmetic average per share volume weighted average price (the “VWAP”) of such entity’s common stock for the last thirty (30) consecutive trading days of the performance period minus the arithmetic average per share VWAP of such entity’s common stock for the last thirty (30) consecutive trading days immediately prior to the performance period by (ii) the arithmetic average per share VWAP of such entity’s common stock for the last thirty (30) consecutive trading days immediately prior to the performance period.

The grant date fair value of the PSUs was determined through a Monte-Carlo simulation of the Company’s common stock total shareholder return and the common stock total shareholder return of its identified performance peer companies to determine the Relative TSR of the Company’s common stock over a future period of three years. For PSUs granted, the inputs used by the model to determine the fair value are (i) historical stock price volatilities of the Company and its identified performance peer companies over the most recent three year period and correlation between each company's stock and the identified performance peer group over the same time series and (ii) a risk free rate for the period interpolated from the U.S. Treasury yield curve on grant date.

The PSUs granted during the nine months ended September 30, 2021 and 2020 include DERs which shall remain outstanding from the grant date until the earlier of the settlement or forfeiture of the PSU to which the DER corresponds. Each vested DER entitles the holder to receive payments in an amount equal to any dividends paid by the Company in respect of the share of the Company’s common stock underlying the PSU to which such DER relates. Upon vesting of the PSUs, the DER will also vest. DERs will be forfeited upon forfeiture of the corresponding PSUs. The DERs may be settled in cash or stock at the discretion of the Compensation Committee.

A summary of the activity of the target PSU awards under the 2017 Plan for the nine months ended September 30, 2021 and 2020, respectively, is presented below:

	2021			2020
	Number of Non-vested Target Shares	Weighted Average Per Share Grant Date Fair Value (1)		Number of Non-vested Target Shares	Weighted Average Per Share Grant Date Fair Value (1)
Non-vested target PSUs as of January 1	2,902,014	$	4.98	2,018,518	$	4.09
Granted	1,631,661	5.56		883,496	7.03
Vested	(842,792)	4.20		—	—
Forfeited	(314,143)	5.29		—	—
Non-vested target PSUs as of September 30	3,376,740	$	5.43	2,902,014	$	4.98

(1)The grant date fair value of the PSUs was determined through a Monte-Carlo simulation of the Company’s common stock total shareholder return and the common stock total shareholder return of its identified performance peer companies to determine the Relative TSR of the Company’s common stock over a future period of three years.

The three-year performance period for PSUs granted in 2018 ended on December 31, 2020, resulting in the vesting of 974,074 shares of common stock during the nine months ended September 30, 2021 with a fair value of $3.7 million on the vesting date. The number of vested shares related to PSUs granted in 2018 exceeded the target PSUs of 842,792. Non-vested PSUs are forfeited upon the recipient's termination of employment, subject to certain exceptions.

As of September 30, 2021 and 2020, there was $9.2 million and $7.0 million of unrecognized compensation cost related to the non-vested portion of the PSUs, respectively. The unrecognized compensation cost related to the non-vested portion of the PSUs at September 30, 2021 is expected to be recognized over a weighted average period of 1.9 years. Compensation expense related to the PSUs was $0.9 million and $3.9 million for the three and nine months ended September 30, 2021, respectively. Compensation expense related to the PSUs was $1.3 million and $3.7 million for the three and nine months ended September 30, 2020, respectively.

Restricted Stock Units

During the nine months ended September 30, 2021 and 2020, the Company granted RSUs that had been approved by the Compensation Committee and the Board of Directors. Each RSU represents an unfunded promise to receive one share of the Company's common stock upon satisfaction of the vesting provisions. The awards were issued pursuant to and are consistent with the terms and conditions of the 2017 Plan. The requisite service period for RSUs at issuance is three years and the RSUs vest ratably over the requisite service period.

The RSUs granted during the nine months ended September 30, 2021 and 2020 include DERs which shall remain outstanding from the grant date until the earlier of the settlement or forfeiture of the RSU to which the DER corresponds. Each vested DER entitles the holder to receive payments in an amount equal to any dividends paid by the Company in respect of the share of the Company’s common stock underlying the RSU to which such DER relates. Upon vesting of the RSUs, the DER will also vest. DERs will be forfeited upon forfeiture of the corresponding RSUs. The DERs may be settled in cash or stock at the discretion of the Compensation Committee.

A summary of the activity of the RSU awards under the 2017 Plan for the nine months ended September 30, 2021 and 2020, respectively, is presented below:

	2021			2020
	Number of Non-vested Shares	Weighted Average Per Share Grant Date Fair Value (1)		Number of Non-vested Shares	Weighted Average Per Share Grant Date Fair Value (1)
Non-vested RSUs as of January 1	441,746	$	6.23	—	$	—
Granted	815,830	3.69		441,746	6.23
Vested	(147,254)	6.23		—	—
Forfeited	(94,070)	4.37		—	—
Non-vested RSUs as of September 30	1,016,252	$	4.36	441,746	$	6.23

(1)The grant date fair value of RSUs is based on the closing market price of the Company’s common stock at the grant date.

During the nine months ended September 30, 2021, 147,254 shares of common stock were issued in connection with the vesting of RSUs at a fair value of $0.5 million on the vesting date. Non-vested RSUs are forfeited upon the recipient's termination of employment, subject to certain exceptions.

As of September 30, 2021 and 2020, there was $3.2 million and $2.1 million of unrecognized compensation cost related to the non-vested portion of the RSUs, respectively. The unrecognized compensation cost related to the non-vested portion of the RSUs at September 30, 2021 is expected to be recognized over a weighted average period of 1.9 years. Compensation expense related to the RSUs was $0.4 million and $1.3 million for the three and nine months ended September 30, 2021, respectively. Compensation expense related to the RSUs was $0.2 million and $0.7 million for the three and nine months ended September 30, 2020, respectively.

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Income Taxes

9 Months Ended

Sep. 30, 2021

Income Tax Disclosure [Abstract]

Income Taxes

Income Taxes

For the three and nine months ended September 30, 2021 and 2020, the Company qualified to be taxed as a REIT under the Internal Revenue Code of 1986, as amended, for U.S. federal income tax purposes. As long as the Company qualifies as a REIT, the Company generally will not be subject to U.S. federal income taxes on its taxable income to the extent it annually distributes at least 100% of its taxable income to stockholders and does not engage in prohibited transactions. Certain activities the Company performs may produce income that will not be qualifying income for REIT purposes. The Company has designated its TRSs to engage in these activities. The tables below reflect the taxes accrued at the TRS level and the tax attributes included in the condensed consolidated financial statements.

The income tax provision for the three and nine months ended September 30, 2021 and 2020, respectively, is comprised of the following components (dollar amounts in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Current income tax expense (benefit)	$	226	$	(659)	$	497	$	1,386
Deferred income tax expense (benefit)	989		(113)		799		(469)
Total income tax provision (benefit)	$	1,215	$	(772)	$	1,296	$	917

Deferred Tax Assets and Liabilities

The major sources of temporary differences included in the deferred tax assets and their deferred tax effect as of September 30, 2021 and December 31, 2020 are as follows (dollar amounts in thousands):

	September 30, 2021		December 31, 2020
Deferred tax assets
Net operating loss carryforward	$	4,417	$	6,024
Capital loss carryover	7,481		4,442
GAAP/Tax basis differences	317		814
Total deferred tax assets (1)	12,215		11,280
Deferred tax liabilities
GAAP/Tax basis differences	6,247		2
Total deferred tax liabilities (2)	6,247		2
Valuation allowance (1)	(4,993)		(9,503)
Total net deferred tax asset	$	975	$	1,775

(1)Included in other assets in the accompanying condensed consolidated balance sheets.

(2)Included in other liabilities in the accompanying condensed consolidated balance sheets.

As of September 30, 2021, the Company, through wholly-owned TRSs, had incurred net operating losses in the aggregate amount of approximately $11.8 million. The Company’s carryforward net operating losses of approximately $10.9 million can be carried forward indefinitely until they are offset by future taxable income. The remaining $0.9 million of net operating losses will expire between 2036 and 2037 if they are not offset by future taxable income. Additionally, as of September 30, 2021, the Company, through its wholly-owned TRSs, had also incurred approximately $22.0 million in capital losses. The Company's carryforward capital losses will expire between 2023 and 2026 if they are not offset by future capital gains.

At September 30, 2021, the Company has recorded a valuation allowance against certain deferred tax assets as management does not believe that it is more likely than not that these deferred tax assets will be realized. The change in the valuation for the current year is approximately $4.5 million. We will continue to monitor positive and negative evidence related to the utilization of the remaining deferred tax assets for which a valuation allowance continues to be provided.

The Company files income tax returns with the U.S. federal government and various state and local jurisdictions. The Company's federal, state and city income tax returns are subject to examination by the Internal Revenue Service and related tax authorities generally for three years after they were filed. The Company has assessed its tax positions for all open years and concluded that there are no material uncertainties to be recognized.

Based on the Company’s evaluation, the Company has concluded that there are no significant uncertain tax positions requiring recognition in the Company’s financial statements. To the extent that the Company incurs interest and accrued penalties in connection with its tax obligations, including expenses related to the Company’s evaluation of unrecognized tax positions, such amounts will be included in income tax expense.

On March 27, 2020, the Coronavirus Aid, Relief, and Economic Security (“CARES”) Act was enacted in the U.S. This legislation was intended to support the economy during the COVID-19 pandemic with temporary changes to income and non-income based tax laws. For the three and nine months ended September 30, 2021, the changes did not have a material impact to our financial statements. We will continue to monitor as additional guidance is issued by the U.S. Treasury Department, the Internal Revenue Service and others.

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Net Interest Income

9 Months Ended

Sep. 30, 2021

Banking and Thrift, Interest [Abstract]

Net Interest Income

Net Interest Income

The following table details the components of the Company's interest income and interest expense for the three and nine months ended September 30, 2021 and 2020, respectively (dollar amounts in thousands):

	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
	2021		2020		2021		2020
Interest income
Residential loans
Residential loans	$	20,480	$	16,006	$	60,295	$	55,157
Consolidated SLST	10,245		10,896		31,042		34,542
Residential loans held in securitization trusts	11,008		3,802		28,909		4,725
Total residential loans	41,733		30,704		120,246		94,424
Multi-family loans
Preferred equity and mezzanine loan investments	3,449		5,300		11,980		15,875
Consolidated K-Series	—		—		—		151,841
Total multi-family loans	3,449		5,300		11,980		167,716
Investment securities available for sale	7,129		9,282		22,279		41,309
Other	12		72		43		492
Total interest income	52,323		45,358		154,548		303,941
Interest expense
Repurchase agreements	3,110		5,341		10,884		33,453
Collateralized debt obligations
Consolidated SLST	7,116		7,562		21,371		24,255
Consolidated K-Series	—		—		—		129,762
Residential loan securitizations	5,053		2,160		14,788		2,527
Non-Agency RMBS re-securitization	—		1,524		283		1,994
Total collateralized debt obligations	12,169		11,246		36,442		158,538
Convertible notes	2,810		2,759		8,382		8,234
Senior unsecured notes	1,598		—		2,734		—
Subordinated debentures	458		483		1,374		1,714
Derivatives	—		—		—		868
Mortgages payable on operating real estate	1,147		—		1,886		—
Total interest expense	21,292		19,829		61,702		202,807
Net interest income	$	31,031	$	25,529	$	92,846	$	101,134

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Summary of Significant Accounting Policies (Policies)

9 Months Ended

Sep. 30, 2021

Accounting Policies [Abstract]

Basis of Presentation

Basis of Presentation – The accompanying condensed consolidated balance sheet as of December 31, 2020 has been derived from audited financial statements. The accompanying condensed consolidated balance sheet as of September 30, 2021, the accompanying condensed consolidated statements of operations for the three and nine months ended September 30, 2021 and 2020, the accompanying condensed consolidated statements of comprehensive income for the three and nine months ended September 30, 2021 and 2020, the accompanying condensed consolidated statements of changes in stockholders’ equity for the three and nine months ended September 30, 2021 and 2020 and the accompanying condensed consolidated statements of cash flows for the nine months ended September 30, 2021 and 2020 are unaudited. In our opinion, all adjustments (which include only normal recurring adjustments) necessary to present fairly the Company’s financial position, results of operations and cash flows have been made. Certain information and footnote disclosures normally included in financial statements prepared in accordance with GAAP have been condensed or omitted in accordance with Article 10 of Regulation S-X and the instructions to Form 10-Q. These condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in our Annual Report on Form 10-K for the year ended December 31, 2020, as filed with the U.S. Securities and Exchange Commission (“SEC”). Accordingly, significant accounting policies and other disclosures have been omitted since such items are disclosed in Note 2 in the audited consolidated financial statements and notes thereto included in our Annual Report on Form 10-K for the year ended December 31, 2020. Provided in this section is a summary of additional accounting policies that are significant to, or newly adopted by, the Company for the three and nine months ended September 30, 2021. The results of operations for the three and nine months ended September 30, 2021 are not necessarily indicative of the operating results for the full year.The accompanying condensed consolidated financial statements have been prepared on the accrual basis of accounting in accordance with GAAP. The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Management has made significant estimates in several areas, including fair valuation of its residential loans, multi-family loans, certain equity investments and Consolidated SLST CDOs. Although the Company’s estimates contemplate current conditions and how it expects those conditions to change in the future, it is reasonably possible that actual conditions could be different than anticipated in those estimates, which could materially impact the Company’s results of operations and its financial condition. The COVID-19 pandemic and resulting emergency measures have led (and may continue to lead) to significant disruptions in the global supply chain, global capital markets, the economy of the U.S. and the economies of other countries impacted by COVID-19. The fluidity of this situation precludes any prediction as to the ultimate adverse impact of COVID-19 on economic and market conditions. The Company believes the estimates and assumptions underlying our condensed consolidated financial statements are reasonable and supportable based on the information available as of September 30, 2021; however, uncertainty over the ultimate impact COVID-19 will have on the global economy generally, and our business in particular, makes any estimates and assumptions as of September 30, 2021 inherently less certain than they would be absent the current and potential impacts of COVID-19. Accordingly, it is reasonably possible that actual conditions could be different than anticipated in those estimates, which could materially impact the Company’s results of operations and its financial condition.

Reclassifications

Reclassifications – Certain prior period amounts have been reclassified in the accompanying condensed consolidated financial statements to conform to current period presentation.

Principles of Consolidation and Variable Interest Entities

Principles of Consolidation and Variable Interest Entities – The accompanying condensed consolidated financial statements of the Company include the accounts of all its subsidiaries which are majority-owned, controlled by the Company or a variable interest entity (“VIE”) where the Company is the primary beneficiary. All significant intercompany accounts and transactions have been eliminated in consolidation.

A VIE is an entity that lacks one or more of the characteristics of a voting interest entity. A VIE is defined as an entity in which equity investors do not have the characteristics of a controlling financial interest or do not have sufficient equity at risk for the entity to finance its activities without additional subordinated financial support from other parties. The Company consolidates a VIE when it is the primary beneficiary of such VIE, herein referred to as a "Consolidated VIE". As primary beneficiary, the Company has both the power to direct the activities that most significantly impact the economic performance of the VIE and a right to receive benefits or absorb losses of the entity that could be potentially significant to the VIE. The Company is required to reconsider its evaluation of whether to consolidate a VIE each reporting period, based upon changes in the facts and circumstances pertaining to the VIE.

Goodwill

Goodwill – Goodwill is not amortized but is evaluated for impairment on an annual basis, or more frequently if the Company believes indicators of impairment exist, by initially performing a qualitative screen and, if necessary, then comparing fair value of the reporting unit to its carrying value, including goodwill. If the fair value of the reporting unit is less than the carrying value, an impairment charge for the amount by which the carrying amount exceeds the reporting unit’s fair value (in an amount not to exceed the total amount of goodwill allocated to the reporting unit) is recognized. In the first quarter of 2020, financial, credit and mortgage-related asset markets experienced significant volatility as a result of the spread of COVID-19, which in turn put significant pressure on the mortgage REIT industry, including financing operations, mortgage asset pricing and liquidity demands. In response to these conditions and the Company's intention to improve its liquidity, in March 2020, the Company sold, among other things, its entire portfolio of first loss POs issued by the Consolidated K-Series, certain senior and mezzanine securities issued by the Consolidated K-Series, Agency CMBS and CMBS that were held by its multi-family investment reporting unit. As a result of the sales, the Company re-evaluated its goodwill balance associated with the multi-family investment reporting unit for impairment. The Company considered qualitative indicators such as macroeconomic conditions, disruptions in equity and credit markets, REIT-specific market considerations, and changes in the net assets in the multi-family investment reporting unit to determine that a quantitative assessment of the fair value of the reporting unit was necessary. The Company performed its quantitative analysis by updating its discounted cash flow projection for the multi-family investment reporting unit for the reduced investment portfolio. This analysis yielded an impairment of the entire goodwill balance related to the Company's multi-family investment reporting unit reported as a $25.2 million impairment of goodwill on the accompanying condensed consolidated statements of operations for the nine months ended September 30, 2020.

Other Assets

Other Assets – Other assets as of September 30, 2021 and December 31, 2020 include restricted cash held by third parties, including cash held by the Company's securitization trusts, of $21.9 million and $11.3 million, respectively. Other assets includes collections receivable from loan servicers, recoverable advances and interest receivable on residential loans totaling $54.4 million and $63.6 million as of September 30, 2021 and December 31, 2020, respectively. Also included in other assets are operating lease right of use assets of $9.3 million and $10.1 million as of September 30, 2021 and December 31, 2020, respectively (with corresponding operating lease liabilities of $9.9 million and $10.6 million as of September 30, 2021 and December 31, 2020, respectively, included in other liabilities in the accompanying condensed consolidated balance sheets).

Summary of Recent Accounting Pronouncements

Summary of Recent Accounting Pronouncements

In March 2020, the FASB issued ASU 2020-04, Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting ("ASU 2020-04"). ASU 2020-04 provides optional expedients and exceptions to GAAP requirements for modifications to debt agreements, leases, derivatives and other contracts, related to the expected market transition from LIBOR, and certain other floating rate benchmark indices, or collectively, IBORs, to alternative reference rates. ASU 2020-04 generally considers contract modifications related to reference rate reform to be an event that does not require contract remeasurement at the modification date nor a reassessment of a previous accounting determination. In January 2021, the FASB issued ASU 2021-01, Reference Rate Reform (Topic 848): Scope ("ASU 2021-01"). ASU 2021-01 clarifies that certain optional expedients and exceptions in Topic 848 for contract modifications and hedge accounting apply to derivatives that are affected by the "discounting transition" (i.e., changes in the interest rates used for margining, discounting, or contract price alignment for derivative instruments that are being implemented as part of the market-wide transition to new reference rates). The guidance in ASU 2020-04 is optional and may be elected over time, through December 31, 2022, as reference rate reform activities occur. Once ASU 2020-04 is elected, the guidance must be applied prospectively for all eligible contract modifications. The amendments in ASU 2021-01 are effective immediately and may be applied on a full retrospective basis as of any date from the beginning of an interim period that includes or is subsequent to March 12, 2020 or on a prospective basis for eligible contract modifications through December 31, 2022. The Company continues to evaluate the impact of ASU 2020-04 and ASU 2021-01 and may apply elections, as applicable, as the expected market transition from IBORs to alternative reference rates continues to develop.

In August 2020, the FASB issued ASU 2020-06, Debt - Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging - Contracts in Entity's Own Equity (Subtopic 815-40): Accounting for Convertible Instruments and Contracts in an Entity's Own Equity ("ASU 2020-06"). ASU 2020-06 simplifies an issuer's accounting for convertible instruments, enhances disclosure requirements for convertible instruments and modifies how particular convertible instruments and certain instruments that may be settled in cash or shares impact the diluted earnings per share computation. Entities may adopt the guidance through either a modified retrospective method of transition or a fully retrospective method of transition. The amendments are effective for public entities for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2021. Early adoption is permitted, but no earlier than fiscal years, and interim periods within those fiscal years, beginning after December 15, 2020. The Company does not anticipate that the implementation of ASU 2020-06 will have a material impact on its consolidated financial statements or notes thereto.

Fair Value of Financial Instruments

The Company has established and documented processes for determining fair values. Fair value is based upon quoted market prices, where available. If listed prices or quotes are not available, then fair value is based upon internally developed models that primarily use inputs that are market-based or independently sourced market parameters, including interest rate yield curves.

A financial instrument’s categorization within the valuation hierarchy is based upon the lowest level of input that is significant to the fair value measurement. The three levels of valuation hierarchy are defined as follows:

Level 1 - inputs to the valuation methodology are quoted prices (unadjusted) for identical assets or liabilities in active markets.

Level 2 - inputs to the valuation methodology include quoted prices for similar assets and liabilities in active markets, and inputs that are observable for the asset or liability, either directly or indirectly, for substantially the full term of the financial instrument.

Level 3 - inputs to the valuation methodology are unobservable and significant to the fair value measurement.

The following describes the valuation methodologies used for the Company’s financial instruments measured at fair value, as well as the general classification of such instruments pursuant to the valuation hierarchy.

a.Residential Loans Held in Consolidated SLST and Multi-Family Loans Held in the Consolidated K-Series –Residential loans held in Consolidated SLST and multi-family loans held in the Consolidated K-Series are carried at fair value and classified as Level 3 fair values. In accordance with the practical expedient in ASC 810, the Company determines the fair value of residential loans held in Consolidated SLST and multi-family loans held in the Consolidated K-Series based on the fair value of the CDOs issued by these securitizations and its investment in these securitizations (eliminated in consolidation in accordance with GAAP), as the fair value of these instruments is more observable.

The investment securities (eliminated in consolidation in accordance with GAAP) that we own in these securitizations are generally illiquid and trade infrequently. As such, they are classified as Level 3 in the fair value hierarchy. The fair valuation of these investment securities is determined based on an internal valuation model that considers expected cash flows from the underlying loans and yields required by market participants. The significant unobservable inputs used in the measurement of these investments are projected losses within the pool of loans and a discount rate. The discount rate used in determining fair value incorporates default rate, loss severity, prepayment rate and current market interest rates. Significant increases or decreases in these inputs would result in a significantly lower or higher fair value measurement.

b.Residential Loans and Residential Loans Held in Securitization Trusts – The Company’s acquired residential loans are recorded at fair value and classified as Level 3 in the fair value hierarchy. The fair value for residential loans is determined using valuations obtained from a third party that specializes in providing valuations of residential loans. The valuation approach depends on whether the residential loan is considered performing, re-performing or non-performing at the date the valuation is performed.

For performing and re-performing loans, estimates of fair value are derived using a discounted cash flow model, where estimates of cash flows are determined from scheduled payments for each loan, adjusted using forecast prepayment rates, default rates and rates for loss upon default. For non-performing loans, asset liquidation cash flows are derived based on the estimated time to liquidate the loan, expected liquidation costs and home price appreciation. Estimated cash flows for both performing and non-performing loans are discounted at yields considered appropriate to arrive at a reasonable exit price for the asset. Indications of loan value such as actual trades, bids, offers and generic market color may be used in determining the appropriate discount yield.

c.Preferred Equity and Mezzanine Loan Investments – Fair value for preferred equity and mezzanine loan investments is determined by both market comparable pricing and discounted cash flows. The discounted cash flows are based on the underlying estimated cash flows and estimated changes in market yields. The fair value also reflects consideration of changes in credit risk since the origination or time of initial investment. This fair value measurement is generally based on unobservable inputs and, as such, is classified as Level 3 in the fair value hierarchy.

d.Investment Securities Available for Sale – The Company determines the fair value of all of its investment securities available for sale based on discounted cash flows utilizing an internal pricing model. The methodology considers the characteristics of the particular security and its underlying collateral, which are observable inputs. These inputs include, but are not limited to, delinquency status, coupon, loan-to-value ("LTV"), historical performance, periodic and life caps, collateral type, rate reset period, seasoning, prepayment speeds and credit enhancement levels. The Company also considers several observable market data points, including prices obtained from third-party pricing services or dealers who make markets in similar financial instruments, trading activity, and dialogue with market participants. Third-party pricing services typically incorporate commonly used market pricing methods, trading activity observed in the marketplace and other data inputs similar to those used in the Company's internal pricing model. The Company has established thresholds to compare internally generated prices with independent third-party prices and any differences that exceed the thresholds are reviewed both internally and with the third-party pricing service. The Company reconciles and resolves all pricing differences in excess of the thresholds before a final price is established. The Company’s investment securities available for sale are valued based upon readily observable market parameters and are classified as Level 2 fair values.

e.Equity Investments – Fair value for equity investments is determined (i) by the valuation process for preferred equity and mezzanine loan investments as described in c. above or (ii) using the net asset value ("NAV") of the equity investment entity as a practical expedient. These fair value measurements are generally based on unobservable inputs and, as such, are classified as Level 3 in the fair value hierarchy.

f.Derivative Instruments – The Company’s derivative instruments were classified as Level 2 fair values and were measured using valuations reported by the clearing house, CME Clearing, through which these instruments were cleared. The derivatives were presented net of variation margin payments pledged or received. The Company had no outstanding derivative instruments as of September 30, 2021 and December 31, 2020.

g.Collateralized Debt Obligations – CDOs issued by Consolidated SLST and the Consolidated K-Series are classified as Level 3 fair values for which fair value is determined by considering several market data points, including prices obtained from third-party pricing services or dealers who make markets in similar financial instruments. The third-party pricing service or dealers incorporate common market pricing methods, including a spread measurement to the Treasury curve or interest rate swap curve as well as underlying characteristics of the particular security. They will also consider contractual cash payments and yields expected by market participants.

Refer to a. above for a description of the fair valuation of CDOs issued by Consolidated SLST and the Consolidated K-Series that are eliminated in consolidation.

Management reviews all prices used in determining fair value to ensure they represent current market conditions. This review includes surveying similar market transactions and comparisons to interest pricing models as well as offerings of like securities by dealers. Any changes to the valuation methodology are reviewed by management to ensure the changes are appropriate. As markets and products develop and the pricing for certain products becomes more transparent, the Company continues to refine its valuation methodologies. The methods described above may produce a fair value calculation that may not be indicative of net realizable value or reflective of future fair values. Furthermore, while the Company believes its valuation methods are appropriate and consistent with other market participants, the use of different methodologies, or assumptions, to determine the fair value of certain financial instruments could result in a different estimate of fair value at the reporting date. The Company uses inputs that are current as of each reporting date, which may include periods of market dislocation, during which time price transparency may be reduced. This condition could cause the Company’s financial instruments to be reclassified from Level 2 to Level 3 in future periods.

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Residential Loans, at Fair Value (Tables)

9 Months Ended

Sep. 30, 2021

SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Abstract]

Schedule of Residential Mortgage Loans At Fair Value

The following table presents the Company’s residential loans, at fair value, which consist of residential loans held by the Company, Consolidated SLST and other securitization trusts, as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	September 30, 2021								December 31, 2020
	Residential loans (1)		Consolidated SLST (2)		Residential loans held in securitization trusts (3)		Total		Residential loans (1)		Consolidated SLST (2)		Residential loans held in securitization trusts (3)		Total
Principal	$	1,307,557	$	1,118,001	$	792,466	$	3,218,024	$	1,097,528	$	1,231,669	$	696,543	$	3,025,740
(Discount)/premium	(43,303)		(2,190)		(36,644)		(82,137)		(42,259)		1,337		(41,506)		(82,428)
Unrealized gains	60,965		21,194		55,761		137,920		35,661		33,779		36,414		105,854
Carrying value	$	1,325,219	$	1,137,005	$	811,583	$	3,273,807	$	1,090,930	$	1,266,785	$	691,451	$	3,049,166

(1)Certain of the Company's residential loans, at fair value are pledged as collateral for repurchase agreements as of September 30, 2021 and December 31, 2020 (see Note 10).

(2)The Company invests in first loss subordinated securities and certain IOs issued by a Freddie Mac-sponsored residential loan securitization. In accordance with GAAP, the Company has consolidated the underlying seasoned re-performing and non-performing residential loans held in the securitization and the CDOs issued to permanently finance these residential loans, representing Consolidated SLST. Consolidated SLST CDOs are included in collateralized debt obligations on the Company's condensed consolidated balance sheets.

(3)The Company's residential loans held in securitization trusts are pledged as collateral for CDOs issued by the Company. These CDOs are accounted for as financings and included in collateralized debt obligations on the Company's condensed consolidated balance sheets (see Note 11).

Schedule of Components of Net Gain on Residential Mortgage Loans at Fair Value

The following table presents the unrealized gains (losses), net attributable to residential loans, at fair value for the three and nine months ended September 30, 2021 and 2020, respectively (dollar amounts in thousands):

	Three Months Ended
	September 30, 2021						September 30, 2020
	Residential loans		Consolidated SLST (1)		Residential loans held in securitization trusts		Residential loans		Consolidated SLST (1)		Residential loans held in securitization trusts
Unrealized gains (losses), net	$	8,280	$	6,287	$	11,794	$	25,583	$	41,063	$	10,143

	Nine Months Ended
	September 30, 2021						September 30, 2020
	Residential loans		Consolidated SLST (1)		Residential loans held in securitization trusts		Residential loans		Consolidated SLST (1)		Residential loans held in securitization trusts
Unrealized gains (losses), net	$	15,715	$	(12,585)	$	28,936	$	(17,899)	$	28,014	$	8,418

(1)In accordance with the practical expedient in ASC 810, Consolidation ("ASC 810") the Company determines the fair value of the residential loans held in Consolidated SLST based on the fair value of the CDOs issued by Consolidated SLST, including investment securities we own, as the fair value of these instruments is more observable (see Note 14). See Note 7 for unrealized gains (losses), net recognized by the Company on its investment in Consolidated SLST, which include unrealized gains (losses) on the residential loans held in Consolidated SLST presented in the table above and unrealized gains (losses) on the CDOs issued by Consolidated SLST.

Schedule of Geographic Concentration of Credit Risk

The geographic concentrations of credit risk exceeding 5% of the unpaid principal balance of residential loans, at fair value as of September 30, 2021 and December 31, 2020, respectively, are as follows:

	September 30, 2021						December 31, 2020
	Residential loans		Consolidated SLST		Residential loans held in securitization trusts		Residential loans		Consolidated SLST		Residential loans held in securitization trusts
California	22.3	%	10.8	%	23.0	%	23.6	%	10.9	%	19.8	%
Florida	10.9	%	10.6	%	10.0	%	13.1	%	10.5	%	8.1	%
New York	8.2	%	9.5	%	9.1	%	9.2	%	9.3	%	8.9	%
New Jersey	6.4	%	7.2	%	6.1	%	5.6	%	7.1	%	5.6	%
Texas	6.5	%	3.9	%	4.3	%	5.6	%	4.0	%	4.3	%
Illinois	3.1	%	6.9	%	2.2	%	2.5	%	6.8	%	2.7	%

The geographic concentrations of credit risk exceeding 5% of the total preferred equity and mezzanine loan investment amounts as of September 30, 2021 and December 31, 2020, respectively, are as follows:

	September 30, 2021		December 31, 2020
Texas	17.7	%	11.4	%
Tennessee	17.2	%	14.3	%
Florida	12.1	%	8.5	%
South Carolina	10.3	%	7.2	%
Georgia	7.3	%	10.1	%
Ohio	7.2	%	5.2	%
North Carolina	6.9	%	4.9	%

Schedule of Residential Mortgage Loans, Fair Value Compared to Unpaid Principal

The following table presents the fair value and aggregate unpaid principal balance of the Company's residential loans and residential loans held in securitization trusts in non-accrual status as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	Greater than 90 days past due				Less than 90 days past due
	Fair Value		Unpaid Principal Balance		Fair Value		Unpaid Principal Balance
September 30, 2021	$	102,688	$	115,169	$	16,969	$	17,241
December 31, 2020	149,444		169,553		16,057		17,748

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Multi-family Loans, at Fair Value (Tables)

9 Months Ended

Sep. 30, 2021

Receivables [Abstract]

Schedule of Preferred Equity and Mezzanine Loan Investments

Preferred equity and mezzanine loan investments consist of the following as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	September 30, 2021		December 31, 2020
Investment amount	$	118,517	$	163,392
Deferred loan fees, net	(763)		(1,169)
Unrealized gains, net	2,058		1,370
Total, at Fair Value	$	119,812	$	163,593

Preferred Equity and Mezzanine Loans, Fair Value Compared to Unpaid Principal

The table below presents the fair value and aggregate unpaid principal balance of the Company's preferred equity and mezzanine loan investments in non-accrual status as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	September 30, 2021				December 31, 2020
Days Late	Fair Value		Unpaid Principal Balance		Fair Value		Unpaid Principal Balance
90 +	$	3,829	$	3,363	$	3,325	$	3,363

Schedule of Geographic Concentration of Credit Risk Exceeding 5% of Balances

The geographic concentrations of credit risk exceeding 5% of the unpaid principal balance of residential loans, at fair value as of September 30, 2021 and December 31, 2020, respectively, are as follows:

	September 30, 2021						December 31, 2020
	Residential loans		Consolidated SLST		Residential loans held in securitization trusts		Residential loans		Consolidated SLST		Residential loans held in securitization trusts
California	22.3	%	10.8	%	23.0	%	23.6	%	10.9	%	19.8	%
Florida	10.9	%	10.6	%	10.0	%	13.1	%	10.5	%	8.1	%
New York	8.2	%	9.5	%	9.1	%	9.2	%	9.3	%	8.9	%
New Jersey	6.4	%	7.2	%	6.1	%	5.6	%	7.1	%	5.6	%
Texas	6.5	%	3.9	%	4.3	%	5.6	%	4.0	%	4.3	%
Illinois	3.1	%	6.9	%	2.2	%	2.5	%	6.8	%	2.7	%

The geographic concentrations of credit risk exceeding 5% of the total preferred equity and mezzanine loan investment amounts as of September 30, 2021 and December 31, 2020, respectively, are as follows:

	September 30, 2021		December 31, 2020
Texas	17.7	%	11.4	%
Tennessee	17.2	%	14.3	%
Florida	12.1	%	8.5	%
South Carolina	10.3	%	7.2	%
Georgia	7.3	%	10.1	%
Ohio	7.2	%	5.2	%
North Carolina	6.9	%	4.9	%

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Investment Securities Available for Sale, at Fair Value (Tables)

9 Months Ended

Sep. 30, 2021

Investments, Debt and Equity Securities [Abstract]

Schedule of Investment Securities Available For Sale, Fair Value Option

The Company's investment securities available for sale consisted of the following as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	September 30, 2021								December 31, 2020
	Amortized Cost		Unrealized				Fair Value		Amortized Cost		Unrealized				Fair Value
			Gains		Losses						Gains		Losses
Fair Value Option
Agency RMBS	$	129,198	$	—	$	(3,609)	$	125,589	$	138,541	$	854	$	—	$	139,395
Non-Agency RMBS (1)	108,579		1,168		(3,064)		106,683		100,465		170		(10,786)		89,849
CMBS	32,600		1,139		—		33,739		139,019		5,685		(3,731)		140,973
ABS	24,343		17,142		—		41,485		34,139		9,086		—		43,225
Total investment securities available for sale - fair value option	294,720		19,449		(6,673)		307,496		412,164		15,795		(14,517)		413,442
CECL Securities
Non-Agency RMBS (2)	115,686		2,482		(75)		118,093		266,855		4,336		(5,374)		265,817
CMBS	22,869		—		(365)		22,504		43,435		2,032		—		45,467
Total investment securities available for sale - CECL Securities	138,555		2,482		(440)		140,597		310,290		6,368		(5,374)		311,284
Total	$	433,275	$	21,931	$	(7,113)	$	448,093	$	722,454	$	22,163	$	(19,891)	$	724,726

(1)Includes non-Agency RMBS held in a securitization trust with a total fair value of $37.6 million as of December 31, 2020. During the nine months ended September 30, 2021, the Company exercised its right to an optional redemption of its non-Agency RMBS re-securitization, returning the non-Agency RMBS held by the re-securitization trust to the Company (see Note 7).

(2)Includes non-Agency RMBS held in a securitization trust with a total fair value of $71.5 million as of December 31, 2020. During the nine months ended September 30, 2021, the Company exercised its right to an optional redemption of its non-Agency RMBS re-securitization, returning the non-Agency RMBS held by the re-securitization trust to the Company (see Note 7).

Schedule of Investment Securities Available for Sale, CECL Securities

The Company's investment securities available for sale consisted of the following as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	September 30, 2021								December 31, 2020
	Amortized Cost		Unrealized				Fair Value		Amortized Cost		Unrealized				Fair Value
			Gains		Losses						Gains		Losses
Fair Value Option
Agency RMBS	$	129,198	$	—	$	(3,609)	$	125,589	$	138,541	$	854	$	—	$	139,395
Non-Agency RMBS (1)	108,579		1,168		(3,064)		106,683		100,465		170		(10,786)		89,849
CMBS	32,600		1,139		—		33,739		139,019		5,685		(3,731)		140,973
ABS	24,343		17,142		—		41,485		34,139		9,086		—		43,225
Total investment securities available for sale - fair value option	294,720		19,449		(6,673)		307,496		412,164		15,795		(14,517)		413,442
CECL Securities
Non-Agency RMBS (2)	115,686		2,482		(75)		118,093		266,855		4,336		(5,374)		265,817
CMBS	22,869		—		(365)		22,504		43,435		2,032		—		45,467
Total investment securities available for sale - CECL Securities	138,555		2,482		(440)		140,597		310,290		6,368		(5,374)		311,284
Total	$	433,275	$	21,931	$	(7,113)	$	448,093	$	722,454	$	22,163	$	(19,891)	$	724,726

(1)Includes non-Agency RMBS held in a securitization trust with a total fair value of $37.6 million as of December 31, 2020. During the nine months ended September 30, 2021, the Company exercised its right to an optional redemption of its non-Agency RMBS re-securitization, returning the non-Agency RMBS held by the re-securitization trust to the Company (see Note 7).

(2)Includes non-Agency RMBS held in a securitization trust with a total fair value of $71.5 million as of December 31, 2020. During the nine months ended September 30, 2021, the Company exercised its right to an optional redemption of its non-Agency RMBS re-securitization, returning the non-Agency RMBS held by the re-securitization trust to the Company (see Note 7).

Schedule of Investments Securities Sold

The following tables summarize our investment securities sold during the three months ended September 30, 2021 and 2020, respectively (dollar amounts in thousands):

	Three Months Ended September 30, 2021
	Sales Proceeds		Realized Gains		Realized Losses		Net Realized Gains (Losses)
Non-Agency RMBS	$	43,579	$	4,841	$	—	$	4,841
CMBS	89,481		5,496		(452)		5,044
Total	$	133,060	$	10,337	$	(452)	$	9,885

	Three Months Ended September 30, 2020
	Sales Proceeds		Realized Gains		Realized Losses		Net Realized Gains (Losses)
Non-Agency RMBS	$	259,493	$	141	$	(8,860)	$	(8,719)
CMBS	110,680		6,849		(705)		6,144
Total	$	370,173	$	6,990	$	(9,565)	$	(2,575)

The following tables summarize our investment securities sold during the nine months ended September 30, 2021 and 2020, respectively (dollar amounts in thousands):

	Nine Months Ended September 30, 2021
	Sales Proceeds		Realized Gains		Realized Losses		Net Realized Gains (Losses)
Non-Agency RMBS (1)	$	115,662	$	4,853	$	(833)	$	4,020
CMBS	132,796		11,083		(452)		10,631
Total	$	248,458	$	15,936	$	(1,285)	$	14,651

	Nine Months Ended September 30, 2020
	Sales Proceeds		Realized Gains		Realized Losses		Net Realized Gains (Losses)
Agency RMBS:
Agency ARMs	$	49,892	$	44	$	(4,157)	$	(4,113)
Agency Fixed-Rate (1)	943,074		5,358		(11,697)		(6,339)
Total Agency RMBS	992,966		5,402		(15,854)		(10,452)
Agency CMBS (2)	145,411		5,666		(209)		5,457
Total Agency	1,138,377		11,068		(16,063)		(4,995)
Non-Agency RMBS	428,251		435		(34,681)		(34,246)
CMBS	248,741		8,176		(30,289)		(22,113)
Total	$	1,815,369	$	19,679	$	(81,033)	$	(61,354)

(1)Includes Agency RMBS securities issued by Consolidated SLST (see Note 7).

(2)Includes Agency CMBS securities transferred from the Consolidated K-Series (see Note 7).

The Company recognized a write-down of fair value option non-Agency RMBS IOs for a realized loss of $4.8 million for the three and nine months ended September 30, 2021.

Schedule of Weighted Average Lives of Investment Securities

The following table sets forth the weighted average lives of our investment securities available for sale as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

Weighted Average Life	September 30, 2021		December 31, 2020
0 to 5 years	$	223,991	$	332,934
Over 5 to 10 years	206,360		320,361
10+ years	17,742		71,431
Total	$	448,093	$	724,726

Schedule of Investment Securities Available for Sale in Unrealized Loss Position

The following table presents the Company's CECL Securities in an unrealized loss position with no credit losses reported, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

September 30, 2021	Less than 12 months				Greater than 12 months				Total
	Carrying Value		Gross Unrealized Losses		Carrying Value		Gross Unrealized Losses		Carrying Value		Gross Unrealized Losses
Non-Agency RMBS	$	35,532	$	(22)	$	36,739	$	(53)	$	72,271	$	(75)
CMBS	22,504		(365)		—		—		22,504		(365)
Total	$	58,036	$	(387)	$	36,739	$	(53)	$	94,775	$	(440)

December 31, 2020	Less than 12 months				Greater than 12 months				Total
	Carrying Value		Gross Unrealized Losses		Carrying Value		Gross Unrealized Losses		Carrying Value		Gross Unrealized Losses
Non-Agency RMBS	$	159,841	$	(4,526)	$	8,234	$	(848)	$	168,075	$	(5,374)
Total	$	159,841	$	(4,526)	$	8,234	$	(848)	$	168,075	$	(5,374)

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Equity Investments, at Fair Values (Tables)

9 Months Ended

Sep. 30, 2021

Equity Method Investments and Joint Ventures [Abstract]

Schedule of Investments in Unconsolidated Entities

The Company's equity investments are accounted for under the equity method and are presented at fair value on its condensed consolidated balance sheets as a result of a fair value election.

The following table presents the Company's equity investments as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	September 30, 2021			December 31, 2020
Investment Name	Ownership Interest	Fair Value		Ownership Interest	Fair Value
Multi-Family Preferred Equity Ownership Interests
BBA-EP320 II, L.L.C., BBA-Ten10 II, L.L.C., and Lexington on the Green Apartments, L.L.C. (collectively)	45%	$	12,476	45%	$	11,441
Somerset Deerfield Investor, LLC	45%	19,661		45%	18,792
RS SWD Owner, LLC, RS SWD Mitchell Owner, LLC, RS SWD IF Owner, LLC, RS SWD Mullis Owner, LLC, RS SWD JH Mullis Owner, LLC and RS SWD Saltzman Owner, LLC (collectively)	43%	5,590		43%	5,140
Audubon Mezzanine Holdings, L.L.C. (Series A)	57%	12,118		57%	11,456
EP 320 Growth Fund, L.L.C. (Series A) and Turnbury Park Apartments - BC, L.L.C. (Series A) (collectively)	46%	7,464		46%	7,234
Walnut Creek Properties Holdings, L.L.C.	36%	9,180		36%	8,803
Towers Property Holdings, LLC	37%	12,712		37%	12,119
Mansions Property Holdings, LLC	34%	12,249		34%	11,679
Sabina Montgomery Holdings, LLC - Series B and Oakley Shoals Apartments, LLC - Series A (collectively)	43%	4,465		43%	4,320
Gen1814, LLC - Series A, Highlands - Mtg. Holdings, LLC - Series A, and Polos at Hudson Investments, LLC - Series A (collectively)	37%	10,297		37%	9,966
Axis Apartments Holdings, LLC, Arbor-Stratford Holdings II, LLC - Series B, Highlands - Mtg. Holdings, LLC - Series B, Oakley Shoals Apartments, LLC - Series C, and Woodland Park Apartments II, LLC (collectively)	53%	12,721		53%	12,337
DCP Gold Creek, LLC	44%	6,615		44%	6,357
1122 Chicago DE, LLC	53%	7,593		53%	7,222
Rigsbee Ave Holdings, LLC	56%	11,126		56%	10,222
Bighaus, LLC	42%	15,224		42%	14,525
FF/RMI 20 Midtown, LLC	51%	25,067		51%	23,936
Lurin-RMI, LLC	38%	7,521		38%	7,216
Palms at Cape Coral, LLC	34%	5,096		—	—
America Walks at Port St. Lucie, LLC	62%	30,460		—	—
Total - Multi-Family Preferred Equity Ownership Interests		227,635			182,765
Joint Venture Equity Investments in Multi-Family Properties
GWR Cedars Partners, LLC	70%	3,710		—	—
GWR Gateway Partners, LLC	70%	6,580		—	—
Total - Joint Venture Equity Investments in Multi-Family Properties		10,290			—
Single-Family Equity Ownership Interests
Morrocroft Neighborhood Stabilization Fund II, LP	11%	17,089		11%	13,040
Headlands Asset Management Fund III (Cayman), LP (Headlands Flagship Opportunity Fund Series I)	—	—		49%	63,290
Total - Single-Family Equity Ownership Interests		17,089			76,330
Total		$	255,014		$	259,095

The following table presents income from multi-family preferred equity ownership interests for the three and nine months ended September 30, 2021 and 2020, respectively (dollar amounts in thousands). Income from these investments is presented in income from equity investments in the Company's accompanying condensed consolidated statements of operations. Income from these investments during the three and nine months ended September 30, 2021 includes $0.3 million of net unrealized losses and $0.6 million of net unrealized gains, respectively. Income from these investments during the three and nine months ended September 30, 2020 includes $6.7 thousand of net unrealized gains and $4.1 million of net unrealized losses, respectively.

	Three Months Ended September 30,				Nine Months Ended September 30,
Investment Name	2021		2020		2021		2020
BBA-EP320 II, L.L.C., BBA-Ten10 II, L.L.C., and Lexington on the Green Apartments, L.L.C. (collectively)	$	331	$	295	$	1,035	$	898
Somerset Deerfield Investor, LLC	569		472		1,711		1,259
RS SWD Owner, LLC, RS SWD Mitchell Owner, LLC, RS SWD IF Owner, LLC, RS SWD Mullis Owner, LLC, RS SWD JH Mullis Owner, LLC and RS SWD Saltzman Owner, LLC (collectively)	152		125		450		217
Audubon Mezzanine Holdings, L.L.C. (Series A)	251		365		972		541
EP 320 Growth Fund, L.L.C. (Series A) and Turnbury Park Apartments - BC, L.L.C. (Series A) (collectively)	151		181		571		305
Walnut Creek Properties Holdings, L.L.C.	257		280		797		402
Towers Property Holdings, LLC	348		380		1,087		502
Mansions Property Holdings, LLC	335		366		1,048		484
Sabina Montgomery Holdings, LLC - Series B and Oakley Shoals Apartments, LLC - Series A (collectively)	89		137		355		190
Gen1814, LLC - Series A, Highlands - Mtg. Holdings, LLC - Series A, and Polos at Hudson Investments, LLC - Series A (collectively)	204		317		819		430
Axis Apartments Holdings, LLC, Arbor-Stratford Holdings II, LLC - Series B, Highlands - Mtg. Holdings, LLC - Series B, Oakley Shoals Apartments, LLC - Series C, and Woodland Park Apartments II, LLC (collectively)	252		392		1,014		527
DCP Gold Creek, LLC	189		203		589		305
1122 Chicago DE, LLC	229		226		675		462
Rigsbee Ave Holdings, LLC	120		326		1,335		604
Bighaus, LLC	450		237		1,328		237
FF/RMI 20 Midtown, LLC	771		—		2,275		—
Lurin-RMI, LLC	216		—		687		—
Palms at Cape Coral, LLC	189		—		189		—
America Walks at Port St. Lucie, LLC	775		—		775		—
Total Income - Multi-Family Preferred Equity Ownership Interests	$	5,878	$	4,302	$	17,712	$	7,363

The following table presents income (loss) from these investments for the three and nine months ended September 30, 2021 and 2020, respectively (dollar amounts in thousands):    

	Three Months Ended September 30,				Nine Months Ended September 30,
Investment Name	2021		2020		2021		2020
Single-Family Equity Ownership Interests
Morrocroft Neighborhood Stabilization Fund II, LP	$	2,137	$	515	$	4,324	$	1,080
Headlands Asset Management Fund III (Cayman), LP (Headlands Flagship Opportunity Fund Series I) (1)	—		5,027		(15)		7,078
Total Income - Single-Family Equity Ownership Interests	$	2,137	$	5,542	$	4,309	$	8,158
Joint Venture Equity Investments in Multi-Family Properties (2)
The Preserve at Port Royal Venture, LLC (3)	$	—	$	122	$	—	$	(949)
Total Income (Loss) - Joint Venture Equity Investments in Multi-Family Properties	$	—	$	122	$	—	$	(949)

(1)The Company's equity investment was redeemed during the nine months ended September 30, 2021.

(2)Includes net unrealized loss of $8.6 million and $9.7 million for the three and nine months ended September 30, 2020, respectively and a realized gain of $8.8 million for the three and nine months ended September 30, 2020.

(3)The Company's equity investment was redeemed during the year ended December 31, 2020.

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Use of Special Purpose Entities (SPE) and Variable Interest Entities (VIE) (Tables)

9 Months Ended

Sep. 30, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Assets and Liabilities of Consolidated VIE's

The following table presents a summary of the assets, liabilities and non-controlling interests of the Company's residential loan securitizations, Consolidated SLST and other Consolidated VIEs as of September 30, 2021 (dollar amounts in thousands). Intercompany balances have been eliminated for purposes of this presentation.

	Financing VIEs		Other VIEs
	Residential Loan Securitizations		Consolidated SLST		Other		Total
Cash and cash equivalents	$	—	$	—	$	3,457	$	3,457
Residential loans, at fair value	811,583		1,137,005		—		1,948,588
Operating real estate, net held in Consolidated VIEs (1)	—		—		209,736		209,736
Other assets	33,141		3,702		18,724		55,567
Total assets	$	844,724	$	1,140,707	$	231,917	$	2,217,348
Collateralized debt obligations ($710,102 at amortized cost, net and $904,976 at fair value)	$	710,102	$	904,976	$	—	$	1,615,078
Mortgages payable on operating real estate, net in Consolidated VIEs (2)	—		—		163,941		163,941
Other liabilities	6,326		3,073		4,648		14,047
Total liabilities	$	716,428	$	908,049	$	168,589	$	1,793,066
Non-controlling interest in Consolidated VIEs (3)	$	—	$	—	$	4,626	$	4,626
Net investment (4)	$	128,296	$	232,658	$	58,702	$	419,656

(1)Included in operating real estate, net in the accompanying condensed consolidated balance sheets.

(2)Included in mortgages payable on operating real estate, net in the accompanying condensed consolidated balance sheets.

(3)Represents third party ownership of membership interests in other Consolidated VIEs.

(4)The net investment amount is the maximum amount of the Company's investment that is at risk to loss and represents the difference between total assets and total liabilities held by VIEs, less non-controlling interest, if any.

The following table presents a summary of the assets, liabilities and non-controlling interests of the Company's residential loan securitizations, non-Agency RMBS re-securitization, Consolidated SLST and other Consolidated VIEs as of December 31, 2020 (dollar amounts in thousands). Intercompany balances have been eliminated for purposes of this presentation.

	Financing VIEs				Other VIEs
	Residential Loan Securitizations		Non-Agency RMBS Re-Securitization		Consolidated SLST		Other		Total
Cash and cash equivalents	$	—	$	—	$	—	$	462	$	462
Residential loans, at fair value	691,451		—		1,266,785		—		1,958,236
Investment securities available for sale, at fair value	—		109,140		—		—		109,140
Operating real estate, net held in Consolidated VIEs (1)	—		—		—		50,532		50,532
Other assets	24,959		535		4,075		3,045		32,614
Total assets	$	716,410	$	109,675	$	1,270,860	$	54,039	$	2,150,984
Collateralized debt obligations ($569,323 at amortized cost, net and $1,054,335 at fair value)	$	554,067	$	15,256	$	1,054,335	$	—	$	1,623,658
Mortgages payable on operating real estate, net in Consolidated VIEs (2)	—		—		—		36,752		36,752
Other liabilities	2,610		70		2,781		1,435		6,896
Total liabilities	$	556,677	$	15,326	$	1,057,116	$	38,187	$	1,667,306
Non-controlling interest in Consolidated VIEs (3)	$	—	$	—	$	—	$	6,371	$	6,371
Net investment (4)	$	159,733	$	94,349	$	213,744	$	9,481	$	477,307

(1)Included in operating real estate, net in the accompanying condensed consolidated balance sheets.

(2)Included in mortgages payable on operating real estate, net in the accompanying condensed consolidated balance sheets.

(3)Represents third party ownership of membership interests in other Consolidated VIEs.

(4)The net investment amount is the maximum amount of the Company's investment that is at risk to loss and represents the difference between total assets and total liabilities held by VIEs, less non-controlling interest, if any.

The following table presents the carrying value and estimated fair value of the Company’s financial instruments at September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

		September 30, 2021				December 31, 2020
	Fair Value Hierarchy Level	Carrying Value		Estimated Fair Value		Carrying Value		Estimated Fair Value
Financial Assets:
Cash and cash equivalents	Level 1	$	408,785	$	408,785	$	293,183	$	293,183
Residential loans	Level 3	3,273,807		3,273,807		3,049,166		3,049,166
Multi-family loans	Level 3	119,812		119,812		163,593		163,593
Investment securities available for sale	Level 2	448,093		448,093		724,726		724,726
Equity investments	Level 3	255,014		255,014		259,095		259,095
Financial Liabilities:
Repurchase agreements	Level 2	334,556		334,556		405,531		405,531
Collateralized debt obligations:
Residential loan securitizations at amortized cost, net	Level 3	710,102		714,176		554,067		561,329
Consolidated SLST	Level 3	904,976		904,976		1,054,335		1,054,335
Non-Agency RMBS re-securitization	Level 2	—		—		15,256		15,472
Subordinated debentures	Level 3	45,000		44,188		45,000		36,871
Convertible notes	Level 2	137,240		139,474		135,327		137,716
Senior unsecured notes	Level 2	96,540		104,794		—		—
Mortgages payable on operating real estate	Level 3	200,720		200,720		36,752		36,752

Schedule of Statement of Operations of Variable Interest Entities

The following table presents condensed statements of operations for non-Company-sponsored VIEs, including Consolidated SLST and other Consolidated VIEs, for the three months ended September 30, 2021 and 2020, respectively (dollar amounts in thousands). Intercompany balances have been eliminated for purposes of this presentation.

	Three Months Ended September 30,
	2021						2020
	Consolidated SLST		Other		Total		Consolidated SLST		Other		Total
Interest income	$	10,245	$	—	$	10,245	$	10,896	$	—	$	10,896
Interest expense	7,116		900		8,016		7,562		—		7,562
Total net interest income (expense)	3,129		(900)		2,229		3,334		—		3,334
Unrealized gains, net	4,302		—		4,302		27,145		—		27,145
Income from operating real estate	—		2,683		2,683		—		—		—
Other loss	—		—		—		—		(159)		(159)
Total non-interest income (loss)	4,302		2,683		6,985		27,145		(159)		26,986
Expenses related to operating real estate	—		6,601		6,601		—		—		—
Net income (loss)	7,431		(4,818)		2,613		30,479		(159)		30,320
Net loss (income) attributable to non-controlling interest in Consolidated VIEs	—		394		394		—		(1,764)		(1,764)
Net income (loss) attributable to Company	$	7,431	$	(4,424)	$	3,007	$	30,479	$	(1,923)	$	28,556

The following table presents condensed statements of operations for non-Company-sponsored VIEs, including Consolidated SLST, Consolidated K-Series (prior to the sale of first loss POs and de-consolidation of the Consolidated K-Series) and other Consolidated VIEs, for the nine months ended September 30, 2021 and 2020, respectively (dollar amounts in thousands). Intercompany balances have been eliminated for purposes of this presentation.

	Nine Months Ended September 30,
	2021						2020
	Consolidated SLST		Other		Total		Consolidated K-Series		Consolidated SLST		Other		Total
Interest income	$	31,042	$	—	$	31,042	$	151,841	$	34,542	$	—	$	186,383
Interest expense	21,371		1,641		23,012		129,762		24,255		—		154,017
Total net interest income (expense)	9,671		(1,641)		8,030		22,079		10,287		—		32,366
Unrealized gains (losses), net	23,320		—		23,320		(10,951)		(34,893)		—		(45,844)
Income from operating real estate	—		6,329		6,329		—		—		—		—
Other loss	—		—		—		—		—		(2,280)		(2,280)
Total non-interest income (loss)	23,320		6,329		29,649		(10,951)		(34,893)		(2,280)		(48,124)
Expenses related to operating real estate	—		13,438		13,438		—		—		—		—
Net income (loss)	32,991		(8,750)		24,241		11,128		(24,606)		(2,280)		(15,758)
Net loss (income) attributable to non-controlling interest in Consolidated VIEs	—		3,428		3,428		—		—		(704)		(704)
Net income (loss) attributable to Company	$	32,991	$	(5,322)	$	27,669	$	11,128	$	(24,606)	$	(2,984)	$	(16,462)

Schedule of Classification and Carrying Value of Unconsolidated VIEs

The following tables present the classification and carrying value of unconsolidated VIEs as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	September 30, 2021
	Multi-family loans		Investment securities available for sale, at fair value		Equity investments		Total
ABS	$	—	$	41,485	$	—	$	41,485
Non-Agency RMBS	—		31,708		—		31,708
Preferred equity investments in multi-family properties	119,812		—		227,635		347,447
Joint venture equity investments in multi-family properties	—		—		10,290		10,290
Equity investments in entities that invest in residential properties	—		—		17,089		17,089
Maximum exposure	$	119,812	$	73,193	$	255,014	$	448,019

	December 31, 2020
	Multi-family loans		Investment securities available for sale, at fair value		Equity investments		Total
ABS	$	—	$	43,225	$	—	$	43,225
Preferred equity investments in multi-family properties	158,501		—		182,765		341,266
Mezzanine loans on multi-family properties	5,092		—		—		5,092
Equity investments in entities that invest in residential properties and loans	—		—		76,330		76,330
Maximum exposure	$	163,593	$	43,225	$	259,095	$	465,913

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Derivative Instruments and Hedging Activities (Tables)

9 Months Ended

Sep. 30, 2021

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Activity of Derivative Instruments

The table below summarizes the activity of derivative instruments not designated as hedging instruments for the nine months ended September 30, 2020 (dollar amounts in thousands):

	Notional Amount For the Nine Months Ended September 30, 2020
Type of Derivative Instrument	December 31, 2019		Additions		Terminations		September 30, 2020
Interest rate swaps	$	495,500	$	—	$	(495,500)	$	—

Schedule of Components of Realized and Unrealized Gains and Losses

The following table presents the components of realized gains (losses), net and unrealized gains (losses), net related to our derivative instruments that were not designated as hedging instruments, which are included in non-interest income (loss) in our condensed consolidated statements of operations for the nine months ended September 30, 2020 (dollar amounts in thousands):

	For the Nine Months Ended September 30, 2020
	Realized Gains (Losses)		Unrealized Gains (Losses)
Interest rate swaps	$	(73,078)	$	28,967
Total	$	(73,078)	$	28,967

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Operating Real Estate, Net (Tables)

9 Months Ended

Sep. 30, 2021

Real Estate [Abstract]

Schedule of Real Estate Investment

The following is a summary of the operating real estate investments, collectively, as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	September 30, 2021		December 31, 2020
Land	$	34,405	$	5,400
Building and improvements	229,426		43,764
Furniture, fixture and equipment	10,197		1,522
Real estate	$	274,028	$	50,686
Accumulated depreciation (1)	(3,422)		(154)
Operating real estate, net	$	270,606	$	50,532

(1)Depreciation expense for the three and nine months ended September 30, 2021 totaled $1.7 million and $3.3 million, respectively, and is included in expenses related to operating real estate on the accompanying condensed consolidated statements of operations.

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Repurchase Agreements (Tables)

9 Months Ended

Sep. 30, 2021

Carrying Value of Federal Funds Sold, Securities Purchased under Agreements to Resell, and Deposits Paid for Securities Borrowed [Abstract]

Schedule of Borrowings Under Financing Arrangements and Assets Pledged as Collateral

The following table presents detailed information about the Company’s financings under these repurchase agreements and associated residential loans pledged as collateral at September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	Maximum Aggregate Uncommitted Principal Amount		Outstanding Repurchase Agreements (1)		Net Deferred Finance Costs (2)		Carrying Value of Repurchase Agreements		Fair Value of Loans Pledged		Weighted Average Rate		Weighted Average Months to Maturity (3)
September 30, 2021	$	1,257,003	$	335,434	$	(878)	$	334,556	$	492,860	2.82	%	3.24
December 31, 2020	$	1,301,389	$	407,213	$	(1,682)	$	405,531	$	575,380	2.92	%	11.92

(1)Includes a non-mark-to-market repurchase agreement with an outstanding balance of $16.6 million, a rate of 4.00%, and maturity of 5.03 months as of September 30, 2021. Includes non-mark-to-market repurchase agreements with an outstanding balance of $49.8 million, weighted average rate of 4.00%, and weighted average maturity of 8.80 months as of December 31, 2020.

(2)Costs related to the repurchase agreements, which include commitment, underwriting, legal, accounting and other fees, are reflected as deferred charges. Such costs are presented as a deduction from the corresponding debt liability on the Company’s accompanying condensed consolidated balance sheets and are amortized as an adjustment to interest expense using the effective interest method, or straight line-method, if the result is not materially different.

(3)The Company expects to roll outstanding amounts under these repurchase agreements into new repurchase agreements or other financings, or to repay outstanding amounts, prior to or at maturity.

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Collateralized Debt Obligations (Tables)

9 Months Ended

Sep. 30, 2021

Debt Disclosure [Abstract]

Schedule of Mortgages Payable in Consolidated VIEs

The following tables present a summary of the Company's CDOs as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	September 30, 2021
	Outstanding Face Amount		Carrying Value		Weighted Average Interest Rate (1)		Weighted Average Rate of Notes Issued (2)		Stated Maturity (3)
Consolidated SLST (4)	$	861,184	$	904,976	2.75	%	3.53	%	2059
Residential loan securitizations	714,058		710,102		2.42	%	3.38	%	2026 - 2061
Total collateralized debt obligations	$	1,575,242	$	1,615,078

(1)Weighted average interest rate is calculated using the outstanding face amount and stated interest rate of notes issued by the securitization and not owned by the Company.

(2)Weighted average rate of notes issued is calculated using the outstanding face amount and stated interest rate of all notes issued by the securitizations, including those owned by the Company.

(3)The actual maturity of the Company's CDOs are primarily determined by the rate of principal prepayments on the assets of the issuing entity. The CDOs are also subject to redemption prior to the stated maturity according to the terms of the respective governing documents. As a result, the actual maturity of the CDOs may occur earlier than the stated maturity.

(4)The Company has elected the fair value option for CDOs issued by Consolidated SLST (see Note 14).

	December 31, 2020
	Outstanding Face Amount		Carrying Value		Weighted Average Interest Rate (1)			Weighted Average Rate of Notes Issued (2)			Stated Maturity (3)
Consolidated SLST (4)	$	975,017	$	1,054,335	2.75	%		3.53	%		2059
Residential loan securitizations	557,497		554,067		3.36	%		4.83	%		2025 - 2060
Non-Agency RMBS Re-Securitization	15,449		15,256		One-month LIBOR plus 5.25%		(5)	One-month LIBOR plus 5.25%		(5)	2025
Total collateralized debt obligations	$	1,547,963	$	1,623,658

(1)Weighted average interest rate is calculated using the outstanding face amount and stated interest rate of notes issued by the securitization and not owned by the Company.

(2)Weighted average rate of notes issued is calculated using the outstanding face amount and stated interest rate of all notes issued by the securitizations, including those owned by the Company.

(3)The actual maturity of the Company's CDOs are primarily determined by the rate of principal prepayments on the assets of the issuing entity. The CDOs are also subject to redemption prior to the stated maturity according to the terms of the respective governing documents. As a result, the actual maturity of the CDOs may occur earlier than the stated maturity.

(4)The Company has elected the fair value option for CDOs issued by Consolidated SLST (see Note 14).

(5)Represents the pass-through rate through the payment date in December 2021. During the nine months ended September 30, 2021, the Company exercised its right to an optional redemption of its non-Agency RMBS re-securitization.

The following table presents detailed information for these mortgages payable on operating real estate as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	Outstanding Mortgage Balance		Net Deferred Finance Cost		Mortgage Payable, Net		Stated Maturity	Weighted Average Interest Rate (1)		Unfunded Commitment
September 30, 2021	$	203,786	$	(3,066)	$	200,720	2024 - 2031	3.25	%	$	12,188
December 31, 2020	37,030		(278)		36,752		2028	2.54	%	—

(1)Weighted average interest rate is calculated using the outstanding mortgage balance and interest rate as of the date indicated.

Schedule of Maturities of Collateralized Debt Obligations

The Company's collateralized debt obligations as of September 30, 2021 had stated maturities as follows:

Year ending December 31,	Total
2021	$	—
2022	—
2023	—
2024	—
2025	—
2026	180,000
Thereafter	1,395,242
Total	$	1,575,242

As of September 30, 2021, maturities for debt on the Company's condensed consolidated balance sheet are as follows (dollar amounts in thousands):

Year Ending December 31,	Total
2021	$	—
2022	138,000
2023	—
2024	108,676
2025	—
2026	100,000
Thereafter	140,110
	$	486,786

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Debt (Tables)

9 Months Ended

Sep. 30, 2021

Debt Disclosure [Abstract]

Schedule of Debt Instrument Redemption

On and after April 30, 2023, the Company has the right to redeem the Senior Unsecured Notes, in whole or in part, at 100% of the principal amount of the Senior Unsecured Notes to be redeemed, plus accrued but unpaid interest, if any, to, but excluding, the redemption date, plus an amount equal to the principal amount of such Senior Unsecured Notes multiplied by a date-dependent multiple as detailed in the following table:

Redemption Period	Multiple
April 30, 2023 - April 29, 2024	2.875	%
April 30, 2024 - April 29, 2025	1.4375	%
April 30, 2025 - April 29, 2026	—

Schedule of Subordinated Borrowing

The following table summarizes the key details of the Company’s subordinated debentures as of September 30, 2021 and December 31, 2020 (dollar amounts in thousands):

	NYM Preferred Trust I		NYM Preferred Trust II
Principal value of trust preferred securities	$	25,000	$	20,000
Interest rate	Three month LIBOR plus 3.75%, resetting quarterly		Three month LIBOR plus 3.95%, resetting quarterly
Scheduled maturity	March 30, 2035		October 30, 2035

Schedule of Mortgages Payable in Consolidated VIEs

The following tables present a summary of the Company's CDOs as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	September 30, 2021
	Outstanding Face Amount		Carrying Value		Weighted Average Interest Rate (1)		Weighted Average Rate of Notes Issued (2)		Stated Maturity (3)
Consolidated SLST (4)	$	861,184	$	904,976	2.75	%	3.53	%	2059
Residential loan securitizations	714,058		710,102		2.42	%	3.38	%	2026 - 2061
Total collateralized debt obligations	$	1,575,242	$	1,615,078

(1)Weighted average interest rate is calculated using the outstanding face amount and stated interest rate of notes issued by the securitization and not owned by the Company.

(2)Weighted average rate of notes issued is calculated using the outstanding face amount and stated interest rate of all notes issued by the securitizations, including those owned by the Company.

(3)The actual maturity of the Company's CDOs are primarily determined by the rate of principal prepayments on the assets of the issuing entity. The CDOs are also subject to redemption prior to the stated maturity according to the terms of the respective governing documents. As a result, the actual maturity of the CDOs may occur earlier than the stated maturity.

(4)The Company has elected the fair value option for CDOs issued by Consolidated SLST (see Note 14).

	December 31, 2020
	Outstanding Face Amount		Carrying Value		Weighted Average Interest Rate (1)			Weighted Average Rate of Notes Issued (2)			Stated Maturity (3)
Consolidated SLST (4)	$	975,017	$	1,054,335	2.75	%		3.53	%		2059
Residential loan securitizations	557,497		554,067		3.36	%		4.83	%		2025 - 2060
Non-Agency RMBS Re-Securitization	15,449		15,256		One-month LIBOR plus 5.25%		(5)	One-month LIBOR plus 5.25%		(5)	2025
Total collateralized debt obligations	$	1,547,963	$	1,623,658

(1)Weighted average interest rate is calculated using the outstanding face amount and stated interest rate of notes issued by the securitization and not owned by the Company.

(2)Weighted average rate of notes issued is calculated using the outstanding face amount and stated interest rate of all notes issued by the securitizations, including those owned by the Company.

(3)The actual maturity of the Company's CDOs are primarily determined by the rate of principal prepayments on the assets of the issuing entity. The CDOs are also subject to redemption prior to the stated maturity according to the terms of the respective governing documents. As a result, the actual maturity of the CDOs may occur earlier than the stated maturity.

(4)The Company has elected the fair value option for CDOs issued by Consolidated SLST (see Note 14).

(5)Represents the pass-through rate through the payment date in December 2021. During the nine months ended September 30, 2021, the Company exercised its right to an optional redemption of its non-Agency RMBS re-securitization.

The following table presents detailed information for these mortgages payable on operating real estate as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

	Outstanding Mortgage Balance		Net Deferred Finance Cost		Mortgage Payable, Net		Stated Maturity	Weighted Average Interest Rate (1)		Unfunded Commitment
September 30, 2021	$	203,786	$	(3,066)	$	200,720	2024 - 2031	3.25	%	$	12,188
December 31, 2020	37,030		(278)		36,752		2028	2.54	%	—

(1)Weighted average interest rate is calculated using the outstanding mortgage balance and interest rate as of the date indicated.

Schedule of Maturities of Long-term Debt

The Company's collateralized debt obligations as of September 30, 2021 had stated maturities as follows:

Year ending December 31,	Total
2021	$	—
2022	—
2023	—
2024	—
2025	—
2026	180,000
Thereafter	1,395,242
Total	$	1,575,242

As of September 30, 2021, maturities for debt on the Company's condensed consolidated balance sheet are as follows (dollar amounts in thousands):

Year Ending December 31,	Total
2021	$	—
2022	138,000
2023	—
2024	108,676
2025	—
2026	100,000
Thereafter	140,110
	$	486,786

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Fair Value of Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2021

Fair Value Disclosures [Abstract]

Schedule of Financial Instruments Measured at Fair Value on a Recurring Basis

The following table presents the Company’s financial instruments measured at fair value on a recurring basis as of September 30, 2021 and December 31, 2020, respectively, on the Company’s condensed consolidated balance sheets (dollar amounts in thousands):

	Measured at Fair Value on a Recurring Basis at
	September 30, 2021								December 31, 2020
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Assets carried at fair value
Residential loans:
Residential loans	$	—	$	—	$	1,325,219	$	1,325,219	$	—	$	—	$	1,090,930	$	1,090,930
Consolidated SLST	—		—		1,137,005		1,137,005		—		—		1,266,785		1,266,785
Residential loans held in securitization trusts	—		—		811,583		811,583		—		—		691,451		691,451
Multi-family loans	—		—		119,812		119,812		—		—		163,593		163,593
Investment securities available for sale:
Agency RMBS	—		125,589		—		125,589		—		139,395		—		139,395
Non-Agency RMBS	—		224,776		—		224,776		—		355,666		—		355,666
CMBS	—		56,243		—		56,243		—		186,440		—		186,440
ABS	—		41,485		—		41,485		—		43,225		—		43,225
Equity investments	—		—		255,014		255,014		—		—		259,095		259,095
Total	$	—	$	448,093	$	3,648,633	$	4,096,726	$	—	$	724,726	$	3,471,854	$	4,196,580
Liabilities carried at fair value
Consolidated SLST CDOs	$	—	$	—	$	904,976	$	904,976	$	—	$	—	$	1,054,335	$	1,054,335
Total	$	—	$	—	$	904,976	$	904,976	$	—	$	—	$	1,054,335	$	1,054,335

Schedule of Changes in Valuation of Level 3 Assets

The following tables detail changes in valuation for the Level 3 assets for the nine months ended September 30, 2021 and 2020, respectively (dollar amounts in thousands):

Level 3 Assets:

	Nine Months Ended September 30, 2021
	Residential loans
	Residential loans		Consolidated SLST		Residential loans held in securitization trusts		Multi-family loans		Equity investments		Total
Balance at beginning of period	$	1,090,930	$	1,266,785	$	691,451	$	163,593	$	259,095	$	3,471,854
Total gains/(losses) (realized/unrealized)
Included in earnings	28,094		(16,522)		34,901		14,811		22,021		83,305
Transfers out (1)	(2,080)		—		(1,707)		—		—		(3,787)
Transfer to securitization trust, net (2)	(236,751)		—		236,751		—		—		—
Funding/Contributions	—		—		—		7,970		45,230		53,200
Paydowns/Distributions	(464,097)		(113,258)		(149,019)		(66,562)		(71,332)		(864,268)
Sales	(65,076)		—		(2,376)		—		—		(67,452)
Purchases	974,199		—		1,582		—		—		975,781
Balance at the end of period	$	1,325,219	$	1,137,005	$	811,583	$	119,812	$	255,014	$	3,648,633

(1)Transfers out of Level 3 assets represents the transfer of residential loans to real estate owned.

(2)In May 2021, the Company completed a securitization of certain business purpose loans. In August 2021, the Company redeemed a residential loan securitization and completed a new residential loan securitization of certain performing, re-performing and non-performing residential loans (see Note 7 for further discussion of the Company's residential loan securitizations).

	Nine Months Ended September 30, 2020
	Residential loans						Multi-family loans
	Residential loans		Consolidated SLST		Residential loans held in securitization trusts		Preferred equity and mezzanine loan investments		Consolidated K-Series		Equity investments		Total
Balance at beginning of period	$	1,429,754	$	1,328,886	$	—	$	—	$	17,816,746	$	83,882	$	20,659,268
Total (losses)/gains (realized/unrealized)
Included in earnings	(26,069)		24,096		8,836		9,760		41,795		14,573		72,991
Transfers in (1)	164,279		—		46,572		182,465		—		107,477		500,793
Transfers out (2) (3)	(5,061)		—		(1,497)		—		(237,297)		—		(243,855)
Transfer to securitization trust, net (4)	(317,089)		—		317,089		—		—		—		—
Funding/Contributions	—		—		—		13,712		—		35,951		49,663
Paydowns/Distributions	(224,073)		(62,977)		(15,514)		(22,783)		(239,796)		(23,177)		(588,320)
Recovery of charge-off	—		—		—		—		35		—		35
Sales (3)	(93,755)		—		—		—		(17,381,483)		—		(17,475,238)
Purchases	249,312		—		—		—		—		—		249,312
Balance at the end of period	$	1,177,298	$	1,290,005	$	355,486	$	183,154	$	—	$	218,706	$	3,224,649

(1)As of January 1, 2020, the Company elected to account for all residential loans, residential loans held in securitization trusts, equity investments and preferred equity and mezzanine loan investments using the fair value option.

(2)Transfers out of Level 3 assets includes the transfer of residential loans to real estate owned.

(3)During the nine months ended September 30, 2020, the Company sold first loss PO securities included in the Consolidated K-Series and, as a result, de-consolidated multi-family loans held in the Consolidated K-Series and transferred its remaining securities owned in the Consolidated K-Series to investment securities available for sale (see Note 7).

(4)In July 2020, the Company completed a securitization of certain performing, re-performing and non-performing residential loans (see Note 7).

Schedule of Changes in Valuation of Level 3 Liabilities

The following tables detail changes in valuation for the Level 3 liabilities for the nine months ended September 30, 2021 and 2020, respectively (dollar amounts in thousands):

Level 3 Liabilities:

	Nine Months Ended September 30, 2021
	Consolidated SLST CDOs
Balance at beginning of period	$	1,054,335
Total gains (realized/unrealized)
Included in earnings	(35,525)
Paydowns	(113,834)
Balance at the end of period	$	904,976

	Nine Months Ended September 30, 2020
	Collateralized debt obligations
	Consolidated K-Series		Consolidated SLST		Total
Balance at beginning of period	$	16,724,451	$	1,052,829	$	17,777,280
Total losses/(gains) (realized/unrealized)
Included in earnings	35,018		66,203		101,221
Paydowns	(147,376)		(63,278)		(210,654)
Sales (1)	(16,612,093)		22,226		(16,589,867)
Balance at the end of period	$	—	$	1,077,980	$	1,077,980

(1)During the nine months ended September 30, 2020, the Company sold first loss PO securities included in the Consolidated K-Series and, as a result, de-consolidated the Consolidated K-Series CDOs (see Note 7). Also includes the Company's net sales of senior securities issued by Consolidated SLST during the nine months ended September 30, 2020 (see Note 7).

Schedule of Quantitative Information Regarding Significant and Unobservable Inputs used in Valuation of Level 3 Assets and Liabilities

The following table discloses quantitative information regarding the significant unobservable inputs used in the valuation of our Level 3 assets and liabilities measured at fair value (dollar amounts in thousands, except input values):

September 30, 2021	Fair Value	Valuation Technique	Unobservable Input	Weighted Average	Range
Assets
Residential loans:
Residential loans and residential loans held in securitization trusts (1)	$2,044,724	Discounted cash flow	Lifetime CPR	8.5%	—	-	51.3%
			Lifetime CDR	0.7%	—	-	28.7%
			Loss severity	10.4%	—	-	100.0%
			Yield	4.8%	2.4%	-	48.7%
	$92,078	Liquidation model	Annual home price appreciation	1.4%	—	-	25.4%
			Liquidation timeline (months)	30	9	-	53
			Property value	$720,766	$15,000	-	$6,500,000
			Yield	7.1%	7.0%	-	28.0%
Consolidated SLST (3)	$1,137,005		Liability price	N/A
Total	$3,273,807
Multi-family loans (1)	$119,812	Discounted cash flow	Discount rate	11.5%	11.0%	-	19.5%
			Months to assumed redemption	23	1	-	60
			Loss severity	—
Equity investments (1) (2)	$237,925	Discounted cash flow	Discount rate	11.9%	11.0%	-	18.3%
			Months to assumed redemption	26	1	-	60
			Loss severity	—
Liabilities
Consolidated SLST CDOs (3) (4)	$904,976	Discounted cash flow	Yield	2.6%	1.5%	-	23.3%
			Collateral prepayment rate	5.7%	2.5%	-	6.4%
			Collateral default rate	1.8%	—	-	9.4%
			Loss severity	18.7%	—	-	21.2%

(1)Weighted average amounts are calculated based on the weighted average fair value of the assets.

(2)Equity investments does not include equity ownership interests in entities that invest in residential properties. The fair value of these investments is determined using the net asset value ("NAV") as a practical expedient.

(3)In accordance with the practical expedient in ASC 810, the Company determines the fair value of the residential loans held in Consolidated SLST based on the fair value of the CDOs issued by Consolidated SLST, including investment securities we own, as the fair value of these instruments is more observable. At September 30, 2021, the fair value of investment securities we own in Consolidated SLST amounts to $231.1 million. (4)Weighted average yield calculated based on the weighted average fair value of the liabilities. Weighted average collateral prepayment rate, weighted average collateral default rate, and weighted average loss severity are calculated based on the weighted average unpaid balance of the liabilities.

Schedule of Changes in Unrealized Gains (Losses) Included in Earnings for Level 3 Assets and Liabilities

The following table details the changes in unrealized gains (losses) included in earnings for the three and nine months ended September 30, 2021 and 2020, respectively, for our Level 3 assets and liabilities held as of September 30, 2021 and 2020, respectively (dollar amounts in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Assets
Residential loans:
Residential loans (1)	$	7,881	$	35,420	$	21,476	$	(883)
Consolidated SLST (1)	6,287		41,063		(12,585)		28,014
Residential loans held in securitization trusts (1)	12,791		817		31,015		(823)
Multi-family loans (1)	538		(955)		1,203		(6,518)
Equity investments (2)	(294)		7		634		(4,052)
Liabilities
Consolidated SLST CDOs (1)	(1,985)		(13,918)		35,905		(62,907)

(1)Presented in unrealized gains (losses), net on the Company's condensed consolidated statements of operations.

(2)Presented in income from equity investments on the Company's condensed consolidated statements of operations.

Schedule of Carrying Value and Estimated Fair Value of Financial Instruments

The following table presents a summary of the assets, liabilities and non-controlling interests of the Company's residential loan securitizations, Consolidated SLST and other Consolidated VIEs as of September 30, 2021 (dollar amounts in thousands). Intercompany balances have been eliminated for purposes of this presentation.

	Financing VIEs		Other VIEs
	Residential Loan Securitizations		Consolidated SLST		Other		Total
Cash and cash equivalents	$	—	$	—	$	3,457	$	3,457
Residential loans, at fair value	811,583		1,137,005		—		1,948,588
Operating real estate, net held in Consolidated VIEs (1)	—		—		209,736		209,736
Other assets	33,141		3,702		18,724		55,567
Total assets	$	844,724	$	1,140,707	$	231,917	$	2,217,348
Collateralized debt obligations ($710,102 at amortized cost, net and $904,976 at fair value)	$	710,102	$	904,976	$	—	$	1,615,078
Mortgages payable on operating real estate, net in Consolidated VIEs (2)	—		—		163,941		163,941
Other liabilities	6,326		3,073		4,648		14,047
Total liabilities	$	716,428	$	908,049	$	168,589	$	1,793,066
Non-controlling interest in Consolidated VIEs (3)	$	—	$	—	$	4,626	$	4,626
Net investment (4)	$	128,296	$	232,658	$	58,702	$	419,656

(1)Included in operating real estate, net in the accompanying condensed consolidated balance sheets.

(2)Included in mortgages payable on operating real estate, net in the accompanying condensed consolidated balance sheets.

(3)Represents third party ownership of membership interests in other Consolidated VIEs.

(4)The net investment amount is the maximum amount of the Company's investment that is at risk to loss and represents the difference between total assets and total liabilities held by VIEs, less non-controlling interest, if any.

The following table presents a summary of the assets, liabilities and non-controlling interests of the Company's residential loan securitizations, non-Agency RMBS re-securitization, Consolidated SLST and other Consolidated VIEs as of December 31, 2020 (dollar amounts in thousands). Intercompany balances have been eliminated for purposes of this presentation.

	Financing VIEs				Other VIEs
	Residential Loan Securitizations		Non-Agency RMBS Re-Securitization		Consolidated SLST		Other		Total
Cash and cash equivalents	$	—	$	—	$	—	$	462	$	462
Residential loans, at fair value	691,451		—		1,266,785		—		1,958,236
Investment securities available for sale, at fair value	—		109,140		—		—		109,140
Operating real estate, net held in Consolidated VIEs (1)	—		—		—		50,532		50,532
Other assets	24,959		535		4,075		3,045		32,614
Total assets	$	716,410	$	109,675	$	1,270,860	$	54,039	$	2,150,984
Collateralized debt obligations ($569,323 at amortized cost, net and $1,054,335 at fair value)	$	554,067	$	15,256	$	1,054,335	$	—	$	1,623,658
Mortgages payable on operating real estate, net in Consolidated VIEs (2)	—		—		—		36,752		36,752
Other liabilities	2,610		70		2,781		1,435		6,896
Total liabilities	$	556,677	$	15,326	$	1,057,116	$	38,187	$	1,667,306
Non-controlling interest in Consolidated VIEs (3)	$	—	$	—	$	—	$	6,371	$	6,371
Net investment (4)	$	159,733	$	94,349	$	213,744	$	9,481	$	477,307

(1)Included in operating real estate, net in the accompanying condensed consolidated balance sheets.

(2)Included in mortgages payable on operating real estate, net in the accompanying condensed consolidated balance sheets.

(3)Represents third party ownership of membership interests in other Consolidated VIEs.

(4)The net investment amount is the maximum amount of the Company's investment that is at risk to loss and represents the difference between total assets and total liabilities held by VIEs, less non-controlling interest, if any.

The following table presents the carrying value and estimated fair value of the Company’s financial instruments at September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

		September 30, 2021				December 31, 2020
	Fair Value Hierarchy Level	Carrying Value		Estimated Fair Value		Carrying Value		Estimated Fair Value
Financial Assets:
Cash and cash equivalents	Level 1	$	408,785	$	408,785	$	293,183	$	293,183
Residential loans	Level 3	3,273,807		3,273,807		3,049,166		3,049,166
Multi-family loans	Level 3	119,812		119,812		163,593		163,593
Investment securities available for sale	Level 2	448,093		448,093		724,726		724,726
Equity investments	Level 3	255,014		255,014		259,095		259,095
Financial Liabilities:
Repurchase agreements	Level 2	334,556		334,556		405,531		405,531
Collateralized debt obligations:
Residential loan securitizations at amortized cost, net	Level 3	710,102		714,176		554,067		561,329
Consolidated SLST	Level 3	904,976		904,976		1,054,335		1,054,335
Non-Agency RMBS re-securitization	Level 2	—		—		15,256		15,472
Subordinated debentures	Level 3	45,000		44,188		45,000		36,871
Convertible notes	Level 2	137,240		139,474		135,327		137,716
Senior unsecured notes	Level 2	96,540		104,794		—		—
Mortgages payable on operating real estate	Level 3	200,720		200,720		36,752		36,752

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Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2021

Stockholders' Equity Note [Abstract]

Schedule of Preferred Stock Issued and Outstanding

The following table summarizes the Company’s Preferred Stock issued and outstanding as of September 30, 2021 and December 31, 2020, respectively (dollar amounts in thousands):

September 30, 2021

Class of Preferred Stock	Shares Authorized	Shares Issued and Outstanding	Carrying Value		Liquidation Preference		Contractual Rate (1)		Optional Redemption Date (2)	Fixed-to-Floating Rate Conversion Date (1)(3)	Floating Annual Rate (4)
Fixed Rate
Series B	6,000,000	3,156,087	$	76,180	$	78,902	7.750	%	June 4, 2018
Fixed-to-Floating Rate
Series D	8,400,000	6,123,495	148,134		153,087		8.000	%	October 15, 2027	October 15, 2027	3M LIBOR + 5.695%
Series E	9,900,000	7,411,499	179,349		185,288		7.875	%	January 15, 2025	January 15, 2025	3M LIBOR + 6.429%
Series F	7,750,000	5,750,000	138,569		143,750		6.875	%	October 15, 2026	October 15, 2026	3M SOFR + 6.130%
Total	32,050,000	22,441,081	$	542,232	$	561,027

December 31, 2020

Class of Preferred Stock	Shares Authorized	Shares Issued and Outstanding	Carrying Value		Liquidation Preference		Contractual Rate (1)		Optional Redemption Date (2)	Fixed-to-Floating Rate Conversion Date (1)(3)	Floating Annual Rate (4)
Fixed Rate
Series B	6,000,000	3,156,087	$	76,180	$	78,902	7.750	%	June 4, 2018
Series C	6,600,000	4,181,807	101,102		104,545		7.875	%	April 22, 2020
Fixed-to-Floating Rate
Series D	8,400,000	6,123,495	148,134		153,087		8.000	%	October 15, 2027	October 15, 2027	3M LIBOR + 5.695%
Series E	9,900,000	7,411,499	179,349		185,288		7.875	%	January 15, 2025	January 15, 2025	3M LIBOR + 6.429%
Total	30,900,000	20,872,888	$	504,765	$	521,822

(1)Each series of fixed rate preferred stock is entitled to receive a dividend at the contractual rate shown, respectively, per year on its $25 liquidation preference. Each series of fixed-to-floating rate preferred stock is entitled to receive a dividend at the contractual rate shown, respectively, per year on its $25 liquidation preference up to, but excluding, the fixed-to-floating rate conversion date.

(2)Each series of Preferred Stock is not redeemable by the Company prior to the respective optional redemption date disclosed except under circumstances intended to preserve the Company’s qualification as a REIT and except upon occurrence of a Change in Control (as defined in the Articles Supplementary designating the Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stock, respectively). Refer above for disclosure regarding the optional redemption of the Company's Series C Preferred Stock.

(3)Beginning on the respective fixed-to-floating rate conversion date, each of the Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stock is entitled to receive a dividend on a floating rate basis according to the terms disclosed in footnote (4) below.

(4)On and after the fixed-to-floating rate conversion date, each of the Series D Preferred Stock and Series E Preferred Stock is entitled to receive a dividend at a floating rate equal to three-month LIBOR plus the respective spread disclosed above per year on its $25 liquidation preference. On and after the fixed-to-floating rate conversion date, the Series F Preferred Stock is entitled to receive a dividend at a floating rate equal to three-month SOFR plus the spread disclosed above per year on its $25 liquidation preference.

Schedule of Dividends Declared

The following table presents the relevant information with respect to quarterly cash dividends declared on the Preferred Stock commencing January 1, 2020 through September 30, 2021:

			Cash Dividend Per Share
Declaration Date	Record Date	Payment Date	Series B Preferred Stock			Series C Preferred Stock			Series D Preferred Stock			Series E Preferred Stock			Series F Preferred Stock
September 13, 2021	October 1, 2021	October 15, 2021	$	0.484375		$	—	(1)	$	0.50		$	0.4921875		$	0.4679	(2)
June 14, 2021	July 1, 2021	July 15, 2021	0.484375			0.4921875			0.50			0.4921875			—
March 15, 2021	April 1, 2021	April 15, 2021	0.484375			0.4921875			0.50			0.4921875			—
December 7, 2020	January 1, 2021	January 15, 2021	0.484375			0.4921875			0.50			0.4921875			—
September 14, 2020	October 1, 2020	October 15, 2020	0.484375			0.4921875			0.50			0.4921875			—
June 15, 2020	July 1, 2020	July 15, 2020	0.968750		(3)	0.9843750		(3)	1.00		(3)	0.9843750		(3)	—

(1)Refer above for disclosure regarding the optional redemption of the Company's Series C Preferred Stock.

(2)Cash dividend for the long initial dividend period that began on July 7, 2021 and ended on October 14, 2021.

(3)Preferred Stock dividends declared on June 15, 2020 included cash dividends in arrears for the quarterly period that began on January 15, 2020 and ended on April 14, 2020 and cash dividends for the quarterly period that began on April 15, 2020 and ended on July 14, 2020.

The following table presents cash dividends declared by the Company on its common stock with respect to the quarterly periods commencing January 1, 2020 and ended September 30, 2021:

Period	Declaration Date	Record Date	Payment Date	Cash Dividend Per Share
Third Quarter 2021	September 13, 2021	September 23, 2021	October 25, 2021	$	0.100
Second Quarter 2021	June 14, 2021	June 24, 2021	July 26, 2021	0.100
First Quarter 2021	March 15, 2021	March 25, 2021	April 26, 2021	0.100
Fourth Quarter 2020	December 7, 2020	December 17, 2020	January 25, 2021	0.100
Third Quarter 2020	September 14, 2020	September 24, 2020	October 26, 2020	0.075
Second Quarter 2020	June 15, 2020	July 1, 2020	July 27, 2020	0.050

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Earnings (Loss) Per Common Share (Tables)

9 Months Ended

Sep. 30, 2021

Earnings Per Share [Abstract]

Schedule of Computation of Basic and Dilutive Earnings (Loss) Per Share

The following table presents the computation of basic and diluted earnings (loss) per common share for the periods indicated (dollar and share amounts in thousands, except per share amounts):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Basic Earnings (Loss) per Common Share:
Net income (loss) attributable to Company	$	51,576	$	101,641	$	157,024	$	(368,929)
Less: Preferred Stock dividends	(11,272)		(10,297)		(31,865)		(30,890)
Less: Preferred Stock redemption charge	(3,443)		—		(3,443)		—
Net income (loss) attributable to Company's common stockholders	$	36,861	$	91,344	$	121,716	$	(399,819)
Basic weighted average common shares outstanding	379,395		377,744		379,193		368,740
Basic Earnings (Loss) per Common Share	$	0.10	$	0.24	$	0.32	$	(1.08)
Diluted Earnings (Loss) per Common Share:
Net income (loss) attributable to Company	$	51,576	$	101,641	$	157,024	$	(368,929)
Less: Preferred Stock dividends	(11,272)		(10,297)		(31,865)		(30,890)
Less: Preferred Stock redemption charge	(3,443)		—		(3,443)		—
Add back: Interest expense on Convertible Notes for the period, net of tax	—		2,525		—		—
Net income (loss) attributable to Company's common stockholders	$	36,861	$	93,869	$	121,716	$	(399,819)
Weighted average common shares outstanding	379,395		377,744		379,193		368,740
Net effect of assumed Convertible Notes conversion to common shares	—		19,694		—		—
Net effect of assumed PSUs vested	1,378		369		1,746		—
Net effect of assumed RSUs vested	210		1,902		166		—
Diluted weighted average common shares outstanding	380,983		399,709		381,105		368,740
Diluted Earnings (Loss) per Common Share	$	0.10	$	0.23	$	0.32	$	(1.08)

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Stock Based Compensation (Tables)

9 Months Ended

Sep. 30, 2021

Share-based Payment Arrangement [Abstract]

Schedule of Nonvested Restricted Stock Activity

A summary of the activity of the Company's non-vested restricted stock collectively under the 2010 Plan and 2017 Plan for the nine months ended September 30, 2021 and 2020, respectively, is presented below:

	2021			2020
	Number of Non-vested Restricted Shares	Weighted Average Per Share Grant Date Fair Value (1)		Number of Non-vested Restricted Shares	Weighted Average Per Share Grant Date Fair Value (1)
Non-vested shares as of January 1	1,603,766	$	6.27	837,123	$	6.18
Granted	939,446	3.82		1,054,254	6.33
Vested	(621,438)	5.41		(287,611)	6.22
Forfeited	(131,432)	4.92		—	—
Non-vested shares as of September 30	1,790,342	$	5.10	1,603,766	$	6.27
Restricted stock granted during the period	939,446	$	3.82	1,054,254	$	6.33

(1)The grant date fair value of restricted stock awards is based on the closing market price of the Company’s common stock at the grant date.

Schedule of PSU Award Activity

A summary of the activity of the target PSU awards under the 2017 Plan for the nine months ended September 30, 2021 and 2020, respectively, is presented below:

	2021			2020
	Number of Non-vested Target Shares	Weighted Average Per Share Grant Date Fair Value (1)		Number of Non-vested Target Shares	Weighted Average Per Share Grant Date Fair Value (1)
Non-vested target PSUs as of January 1	2,902,014	$	4.98	2,018,518	$	4.09
Granted	1,631,661	5.56		883,496	7.03
Vested	(842,792)	4.20		—	—
Forfeited	(314,143)	5.29		—	—
Non-vested target PSUs as of September 30	3,376,740	$	5.43	2,902,014	$	4.98

(1)The grant date fair value of the PSUs was determined through a Monte-Carlo simulation of the Company’s common stock total shareholder return and the common stock total shareholder return of its identified performance peer companies to determine the Relative TSR of the Company’s common stock over a future period of three years.

Schedule of RSU Award Activity

A summary of the activity of the RSU awards under the 2017 Plan for the nine months ended September 30, 2021 and 2020, respectively, is presented below:

	2021			2020
	Number of Non-vested Shares	Weighted Average Per Share Grant Date Fair Value (1)		Number of Non-vested Shares	Weighted Average Per Share Grant Date Fair Value (1)
Non-vested RSUs as of January 1	441,746	$	6.23	—	$	—
Granted	815,830	3.69		441,746	6.23
Vested	(147,254)	6.23		—	—
Forfeited	(94,070)	4.37		—	—
Non-vested RSUs as of September 30	1,016,252	$	4.36	441,746	$	6.23

(1)The grant date fair value of RSUs is based on the closing market price of the Company’s common stock at the grant date.

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Income Taxes (Tables)

9 Months Ended

Sep. 30, 2021

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Provision

The income tax provision for the three and nine months ended September 30, 2021 and 2020, respectively, is comprised of the following components (dollar amounts in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Current income tax expense (benefit)	$	226	$	(659)	$	497	$	1,386
Deferred income tax expense (benefit)	989		(113)		799		(469)
Total income tax provision (benefit)	$	1,215	$	(772)	$	1,296	$	917

Schedule of Deferred Tax Assets and Liabilities

The major sources of temporary differences included in the deferred tax assets and their deferred tax effect as of September 30, 2021 and December 31, 2020 are as follows (dollar amounts in thousands):

	September 30, 2021		December 31, 2020
Deferred tax assets
Net operating loss carryforward	$	4,417	$	6,024
Capital loss carryover	7,481		4,442
GAAP/Tax basis differences	317		814
Total deferred tax assets (1)	12,215		11,280
Deferred tax liabilities
GAAP/Tax basis differences	6,247		2
Total deferred tax liabilities (2)	6,247		2
Valuation allowance (1)	(4,993)		(9,503)
Total net deferred tax asset	$	975	$	1,775

(1)Included in other assets in the accompanying condensed consolidated balance sheets.

(2)Included in other liabilities in the accompanying condensed consolidated balance sheets.

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Net Interest Income (Tables)

9 Months Ended

Sep. 30, 2021

Banking and Thrift, Interest [Abstract]

Components of Interest Income and Interest Expense

The following table details the components of the Company's interest income and interest expense for the three and nine months ended September 30, 2021 and 2020, respectively (dollar amounts in thousands):

	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
	2021		2020		2021		2020
Interest income
Residential loans
Residential loans	$	20,480	$	16,006	$	60,295	$	55,157
Consolidated SLST	10,245		10,896		31,042		34,542
Residential loans held in securitization trusts	11,008		3,802		28,909		4,725
Total residential loans	41,733		30,704		120,246		94,424
Multi-family loans
Preferred equity and mezzanine loan investments	3,449		5,300		11,980		15,875
Consolidated K-Series	—		—		—		151,841
Total multi-family loans	3,449		5,300		11,980		167,716
Investment securities available for sale	7,129		9,282		22,279		41,309
Other	12		72		43		492
Total interest income	52,323		45,358		154,548		303,941
Interest expense
Repurchase agreements	3,110		5,341		10,884		33,453
Collateralized debt obligations
Consolidated SLST	7,116		7,562		21,371		24,255
Consolidated K-Series	—		—		—		129,762
Residential loan securitizations	5,053		2,160		14,788		2,527
Non-Agency RMBS re-securitization	—		1,524		283		1,994
Total collateralized debt obligations	12,169		11,246		36,442		158,538
Convertible notes	2,810		2,759		8,382		8,234
Senior unsecured notes	1,598		—		2,734		—
Subordinated debentures	458		483		1,374		1,714
Derivatives	—		—		—		868
Mortgages payable on operating real estate	1,147		—		1,886		—
Total interest expense	21,292		19,829		61,702		202,807
Net interest income	$	31,031	$	25,529	$	92,846	$	101,134

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Summary of Significant Accounting Policies - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Real Estate Properties [Line Items]
Impairment of goodwill	$ 0	$ 0	$ 0	$ 25,222
Restricted cash included in other assets	21,898	$ 54,802	21,898	$ 54,802
Collections receivable from loan servicers, recoverable advances and interest receivable	54,400		54,400		$ 63,600
Operating lease right-of-use asset	9,300		9,300		10,100
Operating lease liabilities	9,900		9,900		10,600
Other Assets
Real Estate Properties [Line Items]
Restricted cash included in other assets	21,900		21,900		11,300
Operating real estate	$ 19,600		$ 19,600		$ 3,000

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Residential Loans, at Fair Value - Schedule of Residential Loans at Fair Value (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Principal	$ 3,218,024	$ 3,025,740
(Discount)/premium	(82,137)	(82,428)
Unrealized gains	137,920	105,854
Carrying value	3,273,807	3,049,166
Consolidated SLST | VIE, Primary Beneficiary
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Principal	1,118,001	1,231,669
(Discount)/premium	(2,190)	1,337
Unrealized gains	21,194	33,779
Carrying value	1,137,005	1,266,785
Residential loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Principal	1,307,557	1,097,528
(Discount)/premium	(43,303)	(42,259)
Unrealized gains	60,965	35,661
Carrying value	1,325,219	1,090,930
Residential loans held in securitization trusts
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Principal	792,466	696,543
(Discount)/premium	(36,644)	(41,506)
Unrealized gains	55,761	36,414
Carrying value	$ 811,583	$ 691,451

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Residential Loans, at Fair Value - Components of Net Gain (Loss) on Residential Mortgages (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Consolidated SLST | VIE, Primary Beneficiary
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Unrealized gains (losses), net	$ 6,287	$ 41,063	$ (12,585)	$ 28,014
Residential loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Unrealized gains (losses), net	8,280	25,583	15,715	(17,899)
Residential loans held in securitization trusts
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Unrealized gains (losses), net	$ 11,794	$ 10,143	$ 28,936	$ 8,418

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Residential Loans, at Fair Value - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Realized gain (losses) on sale of residential loans	$ 0.9		$ 1.4	$ (18.2)
Net realized gain on payoff of residential loans	5.5	$ 2.4	13.7	$ 6.5
Consolidated SLST | VIE, Primary Beneficiary | Residential loans | 90 days or greater delinquent
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Principal amount of delinquent loans	$ 147.8		$ 147.8		$ 236.7

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Residential Loans, at Fair Value - Concentration of Risk (Details) - Geographic Concentration Risk	9 Months Ended	12 Months Ended
	Sep. 30, 2021	Dec. 31, 2020
Residential loans | California
Concentration Risk [Line Items]
Geographic concentration, percent	22.30%	23.60%
Residential loans | Florida
Concentration Risk [Line Items]
Geographic concentration, percent	10.90%	13.10%
Residential loans | New York
Concentration Risk [Line Items]
Geographic concentration, percent	8.20%	9.20%
Residential loans | New Jersey
Concentration Risk [Line Items]
Geographic concentration, percent	6.40%	5.60%
Residential loans | Texas
Concentration Risk [Line Items]
Geographic concentration, percent	6.50%	5.60%
Residential loans | Illinois
Concentration Risk [Line Items]
Geographic concentration, percent	3.10%	2.50%
Consolidated SLST | Consolidated SLST | VIE, Primary Beneficiary | California
Concentration Risk [Line Items]
Geographic concentration, percent	10.80%	10.90%
Consolidated SLST | Consolidated SLST | VIE, Primary Beneficiary | Florida
Concentration Risk [Line Items]
Geographic concentration, percent	10.60%	10.50%
Consolidated SLST | Consolidated SLST | VIE, Primary Beneficiary | New York
Concentration Risk [Line Items]
Geographic concentration, percent	9.50%	9.30%
Consolidated SLST | Consolidated SLST | VIE, Primary Beneficiary | New Jersey
Concentration Risk [Line Items]
Geographic concentration, percent	7.20%	7.10%
Consolidated SLST | Consolidated SLST | VIE, Primary Beneficiary | Texas
Concentration Risk [Line Items]
Geographic concentration, percent	3.90%	4.00%
Consolidated SLST | Consolidated SLST | VIE, Primary Beneficiary | Illinois
Concentration Risk [Line Items]
Geographic concentration, percent	6.90%	6.80%
Residential loans held in securitization trusts | California
Concentration Risk [Line Items]
Geographic concentration, percent	23.00%	19.80%
Residential loans held in securitization trusts | Florida
Concentration Risk [Line Items]
Geographic concentration, percent	10.00%	8.10%
Residential loans held in securitization trusts | New York
Concentration Risk [Line Items]
Geographic concentration, percent	9.10%	8.90%
Residential loans held in securitization trusts | New Jersey
Concentration Risk [Line Items]
Geographic concentration, percent	6.10%	5.60%
Residential loans held in securitization trusts | Texas
Concentration Risk [Line Items]
Geographic concentration, percent	4.30%	4.30%
Residential loans held in securitization trusts | Illinois
Concentration Risk [Line Items]
Geographic concentration, percent	2.20%	2.70%

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Residential Loans, at Fair Value - Differences Between Fair Value and Aggregate Unpaid Principal (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Fair Value	$ 3,273,807	$ 3,049,166
Residential loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Fair Value	1,325,219	1,090,930
Residential loans | Greater than 90 days past due
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Fair Value	102,688	149,444
Unpaid Principal Balance	115,169	169,553
Residential loans | Less than 90 days past due
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Fair Value	16,969	16,057
Unpaid Principal Balance	$ 17,241	$ 17,748

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Multi-family Loans, at Fair Value - Preferred Equity and Mezzanine Loan Investments (Details) - Preferred Equity and Mezzanine Loan Investments - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Investment amount	$ 118,517	$ 163,392
Deferred loan fees, net	(763)	(1,169)
Unrealized gains, net	2,058	1,370
Total	$ 119,812	$ 163,593

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Multi-family Loans, at Fair Value - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Receivables [Abstract]
Unrealized gains (losses)	$ (0.4)	$ (0.9)	$ (0.7)	$ (6.6)
Loan premiums, early redemption	$ (0.1)	$ (0.4)	$ (2.1)	$ (0.5)

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Multi-family Loans, at Fair Value - Unpaid Principal Balance (Details) - 90 Days or greater past due - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Variable Interest Entity [Line Items]
Fair Value	$ 3,829	$ 3,325
Unpaid Principal Balance	$ 3,363	$ 3,363

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Multi-family Loans, at Fair Value - Geographic Concentration Risk (Details) - Preferred Equity and Mezzanine Loan Investments - Geographic Concentration Risk	9 Months Ended	12 Months Ended
	Sep. 30, 2021	Dec. 31, 2020
Texas
Concentration Risk [Line Items]
Geographic concentration, percent	17.70%	11.40%
Tennessee
Concentration Risk [Line Items]
Geographic concentration, percent	17.20%	14.30%
Florida
Concentration Risk [Line Items]
Geographic concentration, percent	12.10%	8.50%
South Carolina
Concentration Risk [Line Items]
Geographic concentration, percent	10.30%	7.20%
Georgia
Concentration Risk [Line Items]
Geographic concentration, percent	7.30%	10.10%
Ohio
Concentration Risk [Line Items]
Geographic concentration, percent	7.20%	5.20%
North Carolina
Concentration Risk [Line Items]
Geographic concentration, percent	6.90%	4.90%

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Investment Securities Available for Sale, at Fair Value - Schedule of Investment Securities Available for Sale (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Fair Value Option
Amortized Cost	$ 294,720	$ 412,164
Unrealized Gains	19,449	15,795
Unrealized Losses	(6,673)	(14,517)
Fair Value	307,496	413,442
CECL Securities
Amortized Cost	138,555	310,290
Unrealized Gains	2,482	6,368
Unrealized Losses	(440)	(5,374)
Fair Value	140,597	311,284
Total CECL Securities and Fair Value Option
Amortized Cost	433,275	722,454
Unrealized Gains	21,931	22,163
Unrealized Losses	(7,113)	(19,891)
Fair Value	448,093	724,726
Agency RMBS
Fair Value Option
Amortized Cost	129,198	138,541
Unrealized Gains	0	854
Unrealized Losses	(3,609)	0
Fair Value	125,589	139,395
Non-Agency RMBS
Fair Value Option
Amortized Cost	108,579	100,465
Unrealized Gains	1,168	170
Unrealized Losses	(3,064)	(10,786)
Fair Value	106,683	89,849
CECL Securities
Amortized Cost	115,686	266,855
Unrealized Gains	2,482	4,336
Unrealized Losses	(75)	(5,374)
Fair Value	118,093	265,817
Non-Agency RMBS | Non Agency RMBS Held In Securitization Trust
Fair Value Option
Fair Value		37,600
CECL Securities
Amortized Cost		71,500
CMBS
Fair Value Option
Amortized Cost	32,600	139,019
Unrealized Gains	1,139	5,685
Unrealized Losses	0	(3,731)
Fair Value	33,739	140,973
CECL Securities
Amortized Cost	22,869	43,435
Unrealized Gains	0	2,032
Unrealized Losses	(365)	0
Fair Value	22,504	45,467
ABS
Fair Value Option
Amortized Cost	24,343	34,139
Unrealized Gains	17,142	9,086
Unrealized Losses	0	0
Fair Value	$ 41,485	$ 43,225

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Investment Securities Available for Sale, at Fair Value - Narrative (Details) - USD ($)	9 Months Ended	12 Months Ended
	Sep. 30, 2021	Dec. 31, 2020
Schedule of Investments [Line Items]
Interest receivable	$ 1,000,000	$ 2,400,000
Contractual maturities (up to)	38 years
Weighted average life of available for sale securities portfolio	5 years 4 months 24 days	5 years 7 months 6 days
Allowance for credit loss	$ 0	$ 0
Gross unrealized losses	(440,000)	$ (5,374,000)
Non-Agency RMBS And CMBS
Schedule of Investments [Line Items]
Gross unrealized losses	$ (400,000)

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Investment Securities Available for Sale, at Fair Value - Proceeds from Sale (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Debt Securities, Available-for-sale [Line Items]
Sales Proceeds	$ 133,060	$ 370,173	$ 248,458	$ 1,815,369
Realized Gains	10,337	6,990	15,936	19,679
Realized Losses	(452)	(9,565)	(1,285)	(81,033)
Net Realized Gains (Losses)	(9,885)	2,575	(14,651)	61,354
Agency RMBS
Debt Securities, Available-for-sale [Line Items]
Sales Proceeds				992,966
Realized Gains				5,402
Realized Losses				(15,854)
Net Realized Gains (Losses)				10,452
Agency RMBS | Agency ARMs
Debt Securities, Available-for-sale [Line Items]
Sales Proceeds				49,892
Realized Gains				44
Realized Losses				(4,157)
Net Realized Gains (Losses)				4,113
Agency RMBS | Agency Fixed- Rate
Debt Securities, Available-for-sale [Line Items]
Sales Proceeds				943,074
Realized Gains				5,358
Realized Losses				(11,697)
Net Realized Gains (Losses)				6,339
Agency CMBS
Debt Securities, Available-for-sale [Line Items]
Sales Proceeds				145,411
Realized Gains				5,666
Realized Losses				(209)
Net Realized Gains (Losses)				(5,457)
Total Agency
Debt Securities, Available-for-sale [Line Items]
Sales Proceeds				1,138,377
Realized Gains				11,068
Realized Losses				(16,063)
Net Realized Gains (Losses)				4,995
Non-Agency RMBS
Debt Securities, Available-for-sale [Line Items]
Sales Proceeds	43,579	259,493	115,662	428,251
Realized Gains	4,841	141	4,853	435
Realized Losses	0	(8,860)	(833)	(34,681)
Net Realized Gains (Losses)	(4,841)	8,719	(4,020)	34,246
Non-Agency RMBS | Non Agency RMBS Held In Securitization Trust
Debt Securities, Available-for-sale [Line Items]
Net Realized Gains (Losses)	(4,800)		(4,800)
CMBS
Debt Securities, Available-for-sale [Line Items]
Sales Proceeds	89,481	110,680	132,796	248,741
Realized Gains	5,496	6,849	11,083	8,176
Realized Losses	(452)	(705)	(452)	(30,289)
Net Realized Gains (Losses)	$ (5,044)	$ (6,144)	$ (10,631)	$ 22,113

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Investment Securities Available for Sale, at Fair Value - Weighted Average Lives for Available-for-Sale Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Investments, Debt and Equity Securities [Abstract]
0 to 5 years	$ 223,991	$ 332,934
Over 5 to 10 years	206,360	320,361
10+ years	17,742	71,431
Total	$ 448,093	$ 724,726

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Investment Securities Available for Sale, at Fair Value - Schedule of Investment Securities Available for Sale in Unrealized Loss Position (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Less than 12 months, Carrying Value	$ 58,036	$ 159,841
Less Than 12 months, Gross Unrealized Losses	(387)	(4,526)
Greater Than 12 months, Carrying Value	36,739	8,234
Greater Than 12 months, Gross Unrealized Losses	(53)	(848)
Total, Carrying Value	94,775	168,075
Total Gross Unrealized Losses	(440)	(5,374)
Non-Agency RMBS
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Less than 12 months, Carrying Value	35,532	159,841
Less Than 12 months, Gross Unrealized Losses	(22)	(4,526)
Greater Than 12 months, Carrying Value	36,739	8,234
Greater Than 12 months, Gross Unrealized Losses	(53)	(848)
Total, Carrying Value	72,271	168,075
Total Gross Unrealized Losses	(75)	$ (5,374)
CMBS
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Less than 12 months, Carrying Value	22,504
Less Than 12 months, Gross Unrealized Losses	(365)
Greater Than 12 months, Carrying Value	0
Greater Than 12 months, Gross Unrealized Losses	0
Total, Carrying Value	22,504
Total Gross Unrealized Losses	$ (365)

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Equity Investments, at Fair Value (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Schedule of Equity Method Investments [Line Items]
Gain (loss) from equity investments	$ 8,015,000	$ 9,966,000	$ 22,021,000	$ 14,573,000
Preferred Equity Ownership Interests
Schedule of Equity Method Investments [Line Items]
Gain (loss) from equity investments	(300,000)	6,700	600,000	(4,100,000)
Investment in unconsolidated entities | Morrocroft Neighborhood Stabilization Fund II, LP
Schedule of Equity Method Investments [Line Items]
Change in fair value, gain (loss)	2,137,000	515,000	4,324,000	1,080,000
Investment in unconsolidated entities | Headlands Asset Management Fund III (Cayman), LP (Headlands Flagship Opportunity Fund Series I) (1)
Schedule of Equity Method Investments [Line Items]
Change in fair value, gain (loss)	0	5,027,000	(15,000)	7,078,000
Investment in unconsolidated entities | Multi-Family Preferred Equity Ownership Interests
Schedule of Equity Method Investments [Line Items]
Fair Value	227,635,000		227,635,000		$ 182,765,000
Change in fair value, gain (loss)	$ 5,878,000	4,302,000	$ 17,712,000	7,363,000
Investment in unconsolidated entities | Multi-Family Preferred Equity Ownership Interests | BBA-EP320 II, L.L.C., BBA-Ten10 II, L.L.C., and Lexington on the Green Apartments, L.L.C. (collectively)
Schedule of Equity Method Investments [Line Items]
Ownership Interest	45.00%		45.00%		45.00%
Fair Value	$ 12,476,000		$ 12,476,000		$ 11,441,000
Change in fair value, gain (loss)	$ 331,000	295,000	$ 1,035,000	898,000
Investment in unconsolidated entities | Multi-Family Preferred Equity Ownership Interests | Somerset Deerfield Investor, LLC
Schedule of Equity Method Investments [Line Items]
Ownership Interest	45.00%		45.00%		45.00%
Fair Value	$ 19,661,000		$ 19,661,000		$ 18,792,000
Change in fair value, gain (loss)	$ 569,000	472,000	$ 1,711,000	1,259,000
Investment in unconsolidated entities | Multi-Family Preferred Equity Ownership Interests | RS SWD Owner, LLC, RS SWD Mitchell Owner, LLC, RS SWD IF Owner, LLC, RS SWD Mullis Owner, LLC, RS SWD JH Mullis Owner, LLC and RS SWD Saltzman Owner, LLC (collectively)
Schedule of Equity Method Investments [Line Items]
Ownership Interest	43.00%		43.00%		43.00%
Fair Value	$ 5,590,000		$ 5,590,000		$ 5,140,000
Change in fair value, gain (loss)	$ 152,000	125,000	$ 450,000	217,000
Investment in unconsolidated entities | Multi-Family Preferred Equity Ownership Interests | Audubon Mezzanine Holdings, L.L.C. (Series A)
Schedule of Equity Method Investments [Line Items]
Ownership Interest	57.00%		57.00%		57.00%
Fair Value	$ 12,118,000		$ 12,118,000		$ 11,456,000
Change in fair value, gain (loss)	$ 251,000	365,000	$ 972,000	541,000
Investment in unconsolidated entities | Multi-Family Preferred Equity Ownership Interests | EP 320 Growth Fund, L.L.C. (Series A) and Turnbury Park Apartments - BC, L.L.C. (Series A) (collectively)
Schedule of Equity Method Investments [Line Items]
Ownership Interest	46.00%		46.00%		46.00%
Fair Value	$ 7,464,000		$ 7,464,000		$ 7,234,000
Change in fair value, gain (loss)	$ 151,000	181,000	$ 571,000	305,000
Investment in unconsolidated entities | Multi-Family Preferred Equity Ownership Interests | Walnut Creek Properties Holdings, L.L.C.
Schedule of Equity Method Investments [Line Items]
Ownership Interest	36.00%		36.00%		36.00%
Fair Value	$ 9,180,000		$ 9,180,000		$ 8,803,000
Change in fair value, gain (loss)	$ 257,000	280,000	$ 797,000	402,000
Investment in unconsolidated entities | Multi-Family Preferred Equity Ownership Interests | Towers Property Holdings, LLC
Schedule of Equity Method Investments [Line Items]
Ownership Interest	37.00%		37.00%		37.00%
Fair Value	$ 12,712,000		$ 12,712,000		$ 12,119,000
Change in fair value, gain (loss)	$ 348,000	380,000	$ 1,087,000	502,000
Investment in unconsolidated entities | Multi-Family Preferred Equity Ownership Interests | Mansions Property Holdings, LLC
Schedule of Equity Method Investments [Line Items]
Ownership Interest	34.00%		34.00%		34.00%
Fair Value	$ 12,249,000		$ 12,249,000		$ 11,679,000
Change in fair value, gain (loss)	$ 335,000	366,000	$ 1,048,000	484,000
Investment in unconsolidated entities | Multi-Family Preferred Equity Ownership Interests | Sabina Montgomery Holdings, LLC - Series B and Oakley Shoals Apartments, LLC - Series A (collectively)
Schedule of Equity Method Investments [Line Items]
Ownership Interest	43.00%		43.00%		43.00%
Fair Value	$ 4,465,000		$ 4,465,000		$ 4,320,000
Change in fair value, gain (loss)	$ 89,000	137,000	$ 355,000	190,000
Investment in unconsolidated entities | Multi-Family Preferred Equity Ownership Interests | Gen1814, LLC - Series A, Highlands - Mtg. Holdings, LLC - Series A, and Polos at Hudson Investments, LLC - Series A (collectively)
Schedule of Equity Method Investments [Line Items]
Ownership Interest	37.00%		37.00%		37.00%
Fair Value	$ 10,297,000		$ 10,297,000		$ 9,966,000
Change in fair value, gain (loss)	$ 204,000	317,000	$ 819,000	430,000
Investment in unconsolidated entities | Multi-Family Preferred Equity Ownership Interests | Axis Apartments Holdings, LLC, Arbor-Stratford Holdings II, LLC - Series B, Highlands - Mtg. Holdings, LLC - Series B, Oakley Shoals Apartments, LLC - Series C, and Woodland Park Apartments II, LLC (collectively)
Schedule of Equity Method Investments [Line Items]
Ownership Interest	53.00%		53.00%		53.00%
Fair Value	$ 12,721,000		$ 12,721,000		$ 12,337,000
Change in fair value, gain (loss)	$ 252,000	392,000	$ 1,014,000	527,000
Investment in unconsolidated entities | Multi-Family Preferred Equity Ownership Interests | DCP Gold Creek, LLC
Schedule of Equity Method Investments [Line Items]
Ownership Interest	44.00%		44.00%		44.00%
Fair Value	$ 6,615,000		$ 6,615,000		$ 6,357,000
Change in fair value, gain (loss)	$ 189,000	203,000	$ 589,000	305,000
Investment in unconsolidated entities | Multi-Family Preferred Equity Ownership Interests | 1122 Chicago DE, LLC
Schedule of Equity Method Investments [Line Items]
Ownership Interest	53.00%		53.00%		53.00%
Fair Value	$ 7,593,000		$ 7,593,000		$ 7,222,000
Change in fair value, gain (loss)	$ 229,000	226,000	$ 675,000	462,000
Investment in unconsolidated entities | Multi-Family Preferred Equity Ownership Interests | Rigsbee Ave Holdings, LLC
Schedule of Equity Method Investments [Line Items]
Ownership Interest	56.00%		56.00%		56.00%
Fair Value	$ 11,126,000		$ 11,126,000		$ 10,222,000
Change in fair value, gain (loss)	$ 120,000	326,000	$ 1,335,000	604,000
Investment in unconsolidated entities | Multi-Family Preferred Equity Ownership Interests | Bighaus, LLC
Schedule of Equity Method Investments [Line Items]
Ownership Interest	42.00%		42.00%		42.00%
Fair Value	$ 15,224,000		$ 15,224,000		$ 14,525,000
Change in fair value, gain (loss)	$ 450,000	237,000	$ 1,328,000	237,000
Investment in unconsolidated entities | Multi-Family Preferred Equity Ownership Interests | FF/RMI 20 Midtown, LLC
Schedule of Equity Method Investments [Line Items]
Ownership Interest	51.00%		51.00%		51.00%
Fair Value	$ 25,067,000		$ 25,067,000		$ 23,936,000
Change in fair value, gain (loss)	$ 771,000	0	$ 2,275,000	0
Investment in unconsolidated entities | Multi-Family Preferred Equity Ownership Interests | Lurin-RMI, LLC
Schedule of Equity Method Investments [Line Items]
Ownership Interest	38.00%		38.00%		38.00%
Fair Value	$ 7,521,000		$ 7,521,000		$ 7,216,000
Change in fair value, gain (loss)	$ 216,000	0	$ 687,000	0
Investment in unconsolidated entities | Multi-Family Preferred Equity Ownership Interests | Palms at Cape Coral, LLC
Schedule of Equity Method Investments [Line Items]
Ownership Interest	34.00%		34.00%		0.00%
Fair Value	$ 5,096,000		$ 5,096,000		$ 0
Change in fair value, gain (loss)	$ 189,000	0	$ 189,000	0
Investment in unconsolidated entities | Multi-Family Preferred Equity Ownership Interests | America Walks at Port St. Lucie, LLC
Schedule of Equity Method Investments [Line Items]
Ownership Interest	62.00%		62.00%		0.00%
Fair Value	$ 30,460,000		$ 30,460,000		$ 0
Change in fair value, gain (loss)	775,000	0	775,000	0
Investment in unconsolidated entities | Joint venture equity investments in multi-family properties
Schedule of Equity Method Investments [Line Items]
Fair Value	10,290,000		10,290,000		$ 0
Change in fair value, gain (loss)	$ 0	122,000	$ 0	(949,000)
Loss from equity method investments, gross		8,600,000		9,700,000
Income from equity method investments, gross		8,800,000		8,800,000
Investment in unconsolidated entities | Joint venture equity investments in multi-family properties | GWR Cedars Partners, LLC
Schedule of Equity Method Investments [Line Items]
Ownership Interest	70.00%		70.00%		0.00%
Fair Value	$ 3,710,000		$ 3,710,000		$ 0
Investment in unconsolidated entities | Joint venture equity investments in multi-family properties | GWR Gateway Partners, LLC
Schedule of Equity Method Investments [Line Items]
Ownership Interest	70.00%		70.00%		0.00%
Fair Value	$ 6,580,000		$ 6,580,000		$ 0
Investment in unconsolidated entities | Joint venture equity investments in multi-family properties | The Preserve at Port Royal Venture, LLC
Schedule of Equity Method Investments [Line Items]
Change in fair value, gain (loss)	0	122,000	0	(949,000)
Investment in unconsolidated entities | Single-Family Equity Ownership Interests
Schedule of Equity Method Investments [Line Items]
Fair Value	17,089,000		17,089,000		$ 76,330,000
Change in fair value, gain (loss)	$ 2,137,000	$ 5,542,000	$ 4,309,000	$ 8,158,000
Investment in unconsolidated entities | Single-Family Equity Ownership Interests | Morrocroft Neighborhood Stabilization Fund II, LP
Schedule of Equity Method Investments [Line Items]
Ownership Interest	11.00%		11.00%		11.00%
Fair Value	$ 17,089,000		$ 17,089,000		$ 13,040,000
Investment in unconsolidated entities | Single-Family Equity Ownership Interests | Headlands Asset Management Fund III (Cayman), LP (Headlands Flagship Opportunity Fund Series I) (1)
Schedule of Equity Method Investments [Line Items]
Ownership Interest	0.00%		0.00%		49.00%
Fair Value	$ 0		$ 0		$ 63,290,000
Investment in unconsolidated entities | Preferred Equity Ownership Interests
Schedule of Equity Method Investments [Line Items]
Fair Value	$ 255,014,000		$ 255,014,000		$ 259,095,000

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Use of Special Purpose Entities (SPE) and Variable Interest Entities (VIE) - Narrative (Details) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Mar. 31, 2020 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2021 USD ($) jointVenture	Sep. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)	Nov. 12, 2020 USD ($)
Variable Interest Entity [Line Items]
Principal balance		$ 14,700		$ 14,700		$ 203,500
Loss on extinguishment of collateralized debt obligations				1,583	$ 0
Purchase of senior securities				88	431
Realized loss		(8,314)	$ 1,067	(20,361)	149,919
Realized loss on de-consolidation of Consolidated K-Series		0	0	0	54,118
Unrealized losses, net		(30,138)	$ (81,198)	$ (80,157)	212,711
Number of joint venture invested in during period | jointVenture				5
Non-controlling interest in consolidated variable interest entities		4,626		$ 4,626		6,371
VIE, Primary Beneficiary | Preferred equity investments in multi-family properties
Variable Interest Entity [Line Items]
Operating real estate		209,300		209,300			$ 50,500
Lease intangible		13,300		13,300			1,600
Mortgages payable in consolidated variable interest entities		162,200		162,200			36,800
Non-controlling interest in consolidated variable interest entities		5,100		5,100			6,800
Investment owned, fair value							$ 8,700
VIE, Primary Beneficiary | Consolidated SLST
Variable Interest Entity [Line Items]
Investment in Consolidated SLST limited to securities owned, net carrying value		$ 231,100		$ 231,100		$ 212,100
Purchase of senior securities					40,000
Proceeds from sale of investment					62,600
Realized loss					$ 2,400
VIE, Primary Beneficiary | Consolidated K-Series
Variable Interest Entity [Line Items]
Multi-family loans held in securitization trusts, at Fair Value	$ 17,400,000
IOs and mezzanine securities transferred to available-for-sale securities from consolidated K-series due to de-consolidation	237,300
VIE, Primary Beneficiary | Consolidated K-Series | Multi Family Collateralized Debt Obligations
Variable Interest Entity [Line Items]
Collateralized debt, carrying value	16,600,000
VIE, Primary Beneficiary | Consolidated K-Series | Fist Loss POs And Mezzanine Securities
Variable Interest Entity [Line Items]
Proceeds from sales resulting in de-consolidation of Consolidated K-Series	555,200
Realized loss on de-consolidation of Consolidated K-Series	54,100
Unrealized losses, net	$ 168,500

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Use of Special Purpose Entities (SPE) and Variable Interest Entities (VIE) - Assets and Liabilities of Consolidated VIEs (Details) - USD ($) $ in Thousands		Sep. 30, 2021	Dec. 31, 2020	Sep. 30, 2020
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents		$ 408,785	$ 293,183	$ 649,822
Investment securities available for sale, at fair value		140,597	311,284
Other assets		136,692	115,292
Total Assets	[1]	4,912,809	4,655,587
Other Liabilities		121,256	101,746
Liabilities	[1]	2,550,390	2,348,014
Non-controlling interest in consolidated variable interest entities		4,626	6,371
Residential collateralized debt obligations
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Multi-family CDOs, at fair value		710,102	569,323
Residential Collateralized Debt Obligations, at Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Multi-family CDOs, at fair value		904,976	1,054,335
VIE, Primary Beneficiary
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Assets		2,217,348	2,150,984
Liabilities		1,793,066	1,667,306
VIE, Primary Beneficiary | Residential collateralized debt obligations
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Multi-family CDOs, at fair value		710,102	569,323
VIE, Primary Beneficiary | Residential Collateralized Debt Obligations, at Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Multi-family CDOs, at fair value		904,976	1,054,335
VIE, Primary Beneficiary | Residential Loan Securitizations
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents		0	0
Investment securities available for sale, at fair value			0
Operating real estate, net held in Consolidated VIEs		0	0
Other assets		33,141	24,959
Total Assets		844,724	716,410
Multi-family CDOs, at fair value		710,102	554,067
Mortgages payable in consolidated variable interest entities		0	0
Other Liabilities		6,326	2,610
Liabilities		716,428	556,677
Non-controlling interest in consolidated variable interest entities		0	0
Net investment		128,296	159,733
VIE, Primary Beneficiary | Residential Loan Securitizations | Residential loans
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Residential loans, at fair value		811,583	691,451
VIE, Primary Beneficiary | Non-Agency RMBS Re-Securitization
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents			0
Investment securities available for sale, at fair value			109,140
Operating real estate, net held in Consolidated VIEs			0
Other assets			535
Total Assets			109,675
Multi-family CDOs, at fair value			15,256
Mortgages payable in consolidated variable interest entities			0
Other Liabilities			70
Liabilities			15,326
Non-controlling interest in consolidated variable interest entities			0
Net investment			94,349
VIE, Primary Beneficiary | Non-Agency RMBS Re-Securitization | Residential loans
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Residential loans, at fair value			0
VIE, Primary Beneficiary | Consolidated SLST
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents		0	0
Investment securities available for sale, at fair value			0
Operating real estate, net held in Consolidated VIEs		0	0
Other assets		3,702	4,075
Total Assets		1,140,707	1,270,860
Multi-family CDOs, at fair value		904,976	1,054,335
Mortgages payable in consolidated variable interest entities		0	0
Other Liabilities		3,073	2,781
Liabilities		908,049	1,057,116
Non-controlling interest in consolidated variable interest entities		0	0
Net investment		232,658	213,744
VIE, Primary Beneficiary | Consolidated SLST | Residential loans
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Residential loans, at fair value		1,137,005	1,266,785
VIE, Primary Beneficiary | Other
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents		3,457	462
Investment securities available for sale, at fair value			0
Operating real estate, net held in Consolidated VIEs		209,736	50,532
Other assets		18,724	3,045
Total Assets		231,917	54,039
Multi-family CDOs, at fair value		0	0
Mortgages payable in consolidated variable interest entities		163,941	36,752
Other Liabilities		4,648	1,435
Liabilities		168,589	38,187
Non-controlling interest in consolidated variable interest entities		4,626	6,371
Net investment		58,702	9,481
VIE, Primary Beneficiary | Other | Residential loans
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Residential loans, at fair value		0	0
VIE, Primary Beneficiary | Financing And Other VIEs
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents		3,457	462
Investment securities available for sale, at fair value			109,140
Operating real estate, net held in Consolidated VIEs		209,736	50,532
Other assets		55,567	32,614
Total Assets		2,217,348	2,150,984
Multi-family CDOs, at fair value		1,615,078	1,623,658
Mortgages payable in consolidated variable interest entities		163,941	36,752
Other Liabilities		14,047	6,896
Liabilities		1,793,066	1,667,306
Non-controlling interest in consolidated variable interest entities		4,626	6,371
Net investment		419,656	477,307
VIE, Primary Beneficiary | Financing And Other VIEs | Residential loans
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Residential loans, at fair value		$ 1,948,588	$ 1,958,236

[1] Our condensed consolidated balance sheets include assets and liabilities of consolidated variable interest entities ("VIEs") as the Company is the primary beneficiary of these VIEs. As of September 30, 2021 and December 31, 2020, assets of consolidated VIEs totaled $2,217,348 and $2,150,984, respectively, and the liabilities of consolidated VIEs totaled $1,793,066 and $1,667,306, respectively. See Note 7 for further discussion.

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Use of Special Purpose Entities (SPE) and Variable Interest Entities (VIE) - Schedule of Operations (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Variable Interest Entity [Line Items]
Interest expense	$ 21,292	$ 19,829	$ 61,702	$ 202,807
Total net interest income	31,031	25,529	92,846	101,134
Unrealized gains (losses), net	30,138	81,198	80,157	(212,711)
Income from operating real estate	3,980	0	7,626	0
Other loss	(1,035)	431	2,244	337
Total non-interest income (loss)	49,412	90,528	132,409	(427,060)
Total general, administrative and operating expenses	28,046	13,424	70,363	41,382
Net loss (income) attributable to non-controlling interest in Consolidated VIEs	394	(1,764)	3,428	(704)
Net income (loss) attributable to Company	51,576	101,641	157,024	(368,929)
VIE, Primary Beneficiary | Consolidated K-Series
Variable Interest Entity [Line Items]
Interest income				151,841
Interest expense				129,762
Total net interest income				22,079
Unrealized gains (losses), net				(10,951)
Income from operating real estate				0
Other loss				0
Total non-interest income (loss)				(10,951)
Total general, administrative and operating expenses				0
Other loss				11,128
Net income (loss) attributable to Company				11,128
VIE, Primary Beneficiary | Consolidated SLST
Variable Interest Entity [Line Items]
Interest income	10,245	10,896	31,042	34,542
Interest expense	7,116	7,562	21,371	24,255
Total net interest income	3,129	3,334	9,671	10,287
Unrealized gains (losses), net	4,302	27,145	23,320	(34,893)
Income from operating real estate	0	0	0	0
Other loss	0	0	0	0
Total non-interest income (loss)	4,302	27,145	23,320	(34,893)
Total general, administrative and operating expenses	0	0	0	0
Other loss	7,431	30,479	32,991	(24,606)
Net income (loss) attributable to Company	7,431	30,479	32,991	(24,606)
VIE, Primary Beneficiary | Other
Variable Interest Entity [Line Items]
Interest income	0	0	0	0
Interest expense	900	0	1,641	0
Total net interest income	(900)	0	(1,641)	0
Unrealized gains (losses), net	0	0	0	0
Income from operating real estate	2,683	0	6,329	0
Other loss	0	(159)	0	(2,280)
Total non-interest income (loss)	2,683	(159)	6,329	(2,280)
Total general, administrative and operating expenses	6,601	0	13,438	0
Other loss	(4,818)	(159)	(8,750)	(2,280)
Net loss (income) attributable to non-controlling interest in Consolidated VIEs	394	(1,764)	3,428	(704)
Net income (loss) attributable to Company	(4,424)	(1,923)	(5,322)	(2,984)
VIE, Primary Beneficiary | Financing And Other VIEs
Variable Interest Entity [Line Items]
Interest income	10,245	10,896	31,042	186,383
Interest expense	8,016	7,562	23,012	154,017
Total net interest income	2,229	3,334	8,030	32,366
Unrealized gains (losses), net	4,302	27,145	23,320	(45,844)
Income from operating real estate	2,683	0	6,329	0
Other loss	0	(159)	0	(2,280)
Total non-interest income (loss)	6,985	26,986	29,649	(48,124)
Total general, administrative and operating expenses	6,601	0	13,438	0
Other loss	2,613	30,320	24,241	(15,758)
Net loss (income) attributable to non-controlling interest in Consolidated VIEs	394	(1,764)	3,428	(704)
Net income (loss) attributable to Company	$ 3,007	$ 28,556	$ 27,669	$ (16,462)

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Use of Special Purpose Entities (SPE) and Variable Interest Entities (VIE) - Classification and Carrying Value of Unconsolidated VIEs (Details) - USD ($) $ in Thousands		Sep. 30, 2021	Dec. 31, 2020
Variable Interest Entity [Line Items]
Assets	[1]	$ 4,912,809	$ 4,655,587
Equity Method Investment, Nonconsolidated Investee or Group of Investees
Variable Interest Entity [Line Items]
Maximum exposure		448,019	465,913
Multi-family loans | Equity Method Investment, Nonconsolidated Investee or Group of Investees
Variable Interest Entity [Line Items]
Maximum exposure		119,812	163,593
Investment securities available for sale, at fair value | Equity Method Investment, Nonconsolidated Investee or Group of Investees
Variable Interest Entity [Line Items]
Maximum exposure		73,193	43,225
Equity investments | Equity Method Investment, Nonconsolidated Investee or Group of Investees
Variable Interest Entity [Line Items]
Maximum exposure		255,014	259,095
ABS | Equity Method Investment, Nonconsolidated Investee or Group of Investees
Variable Interest Entity [Line Items]
Assets		41,485	43,225
ABS | Multi-family loans | Equity Method Investment, Nonconsolidated Investee or Group of Investees
Variable Interest Entity [Line Items]
Assets		0	0
ABS | Investment securities available for sale, at fair value | Equity Method Investment, Nonconsolidated Investee or Group of Investees
Variable Interest Entity [Line Items]
Assets		41,485	43,225
ABS | Equity investments | Equity Method Investment, Nonconsolidated Investee or Group of Investees
Variable Interest Entity [Line Items]
Assets		0	0
Non-Agency RMBS | Equity Method Investment, Nonconsolidated Investee or Group of Investees
Variable Interest Entity [Line Items]
Assets		31,708
Non-Agency RMBS | Multi-family loans | Equity Method Investment, Nonconsolidated Investee or Group of Investees
Variable Interest Entity [Line Items]
Assets		0
Non-Agency RMBS | Investment securities available for sale, at fair value | Equity Method Investment, Nonconsolidated Investee or Group of Investees
Variable Interest Entity [Line Items]
Assets		31,708
Non-Agency RMBS | Equity investments | Equity Method Investment, Nonconsolidated Investee or Group of Investees
Variable Interest Entity [Line Items]
Assets		0
Preferred equity investments in multi-family properties | Equity Method Investment, Nonconsolidated Investee or Group of Investees
Variable Interest Entity [Line Items]
Assets		347,447	341,266
Preferred equity investments in multi-family properties | Multi-family loans | Equity Method Investment, Nonconsolidated Investee or Group of Investees
Variable Interest Entity [Line Items]
Assets		119,812	158,501
Preferred equity investments in multi-family properties | Investment securities available for sale, at fair value | Equity Method Investment, Nonconsolidated Investee or Group of Investees
Variable Interest Entity [Line Items]
Assets		0	0
Preferred equity investments in multi-family properties | Equity investments | Equity Method Investment, Nonconsolidated Investee or Group of Investees
Variable Interest Entity [Line Items]
Assets		227,635	182,765
Joint venture equity investments in multi-family properties | Equity Method Investment, Nonconsolidated Investee or Group of Investees
Variable Interest Entity [Line Items]
Assets		10,290
Joint venture equity investments in multi-family properties | Multi-family loans | Equity Method Investment, Nonconsolidated Investee or Group of Investees
Variable Interest Entity [Line Items]
Assets		0
Joint venture equity investments in multi-family properties | Investment securities available for sale, at fair value | Equity Method Investment, Nonconsolidated Investee or Group of Investees
Variable Interest Entity [Line Items]
Assets		0
Joint venture equity investments in multi-family properties | Equity investments | Equity Method Investment, Nonconsolidated Investee or Group of Investees
Variable Interest Entity [Line Items]
Assets		10,290
Mezzanine loans on multi-family properties | Equity Method Investment, Nonconsolidated Investee or Group of Investees
Variable Interest Entity [Line Items]
Assets			5,092
Mezzanine loans on multi-family properties | Multi-family loans | Equity Method Investment, Nonconsolidated Investee or Group of Investees
Variable Interest Entity [Line Items]
Assets			5,092
Mezzanine loans on multi-family properties | Investment securities available for sale, at fair value | Equity Method Investment, Nonconsolidated Investee or Group of Investees
Variable Interest Entity [Line Items]
Assets			0
Mezzanine loans on multi-family properties | Equity investments | Equity Method Investment, Nonconsolidated Investee or Group of Investees
Variable Interest Entity [Line Items]
Assets			0
Equity investments in entities that invest in residential properties and loans | Equity Method Investment, Nonconsolidated Investee or Group of Investees
Variable Interest Entity [Line Items]
Assets		17,089	76,330
Equity investments in entities that invest in residential properties and loans | Multi-family loans | Equity Method Investment, Nonconsolidated Investee or Group of Investees
Variable Interest Entity [Line Items]
Assets		0	0
Equity investments in entities that invest in residential properties and loans | Investment securities available for sale, at fair value | Equity Method Investment, Nonconsolidated Investee or Group of Investees
Variable Interest Entity [Line Items]
Assets		0	0
Equity investments in entities that invest in residential properties and loans | Equity investments | Equity Method Investment, Nonconsolidated Investee or Group of Investees
Variable Interest Entity [Line Items]
Assets		$ 17,089	$ 76,330

[1] Our condensed consolidated balance sheets include assets and liabilities of consolidated variable interest entities ("VIEs") as the Company is the primary beneficiary of these VIEs. As of September 30, 2021 and December 31, 2020, assets of consolidated VIEs totaled $2,217,348 and $2,150,984, respectively, and the liabilities of consolidated VIEs totaled $1,793,066 and $1,667,306, respectively. See Note 7 for further discussion.

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Derivative Instruments and Hedging Activities - Narrative (Details) - derivative	Sep. 30, 2021	Dec. 31, 2020
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative asset, number of instruments held	0	0
Derivative liability, number of instruments held	0	0

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Derivative Instruments and Hedging Activities - Activity of Derivative Instruments Not Designated as Hedges (Details) - Trading - Interest Rate Swap $ in Thousands	9 Months Ended
	Sep. 30, 2020 USD ($)
Derivative Instruments and Hedging Activities Disclosures [Roll Forward]
Beginning balance	$ 495,500
Additions	0
Terminations	(495,500)
Ending balance	$ 0

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Derivative Instruments and Hedging Activities - Components of Investment Fair Value Changes (Details) - Trading - Interest Rate Swap $ in Thousands	9 Months Ended
	Sep. 30, 2020 USD ($)
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Realized Gains (Losses)	$ (73,078)
Unrealized Gains (Losses)	$ 28,967

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Operating Real Estate, Net - Narrative (Details) $ in Millions	3 Months Ended	6 Months Ended	9 Months Ended
	Jun. 30, 2021 USD ($)	Jun. 30, 2021 USD ($)	Sep. 30, 2021 jointVenture
Real Estate [Line Items]
Number of joint venture invested in during period | jointVenture			5
VIE, Primary Beneficiary | Real Estate Investment
Real Estate [Line Items]
Rental income | $	$ 3.8	$ 7.3

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Operating Real Estate, Net - Summary of Investments (Details) - VIE, Primary Beneficiary - Real Estate Investment - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2021	Dec. 31, 2020
Real Estate [Line Items]
Land	$ 34,405	$ 34,405	$ 5,400
Building and improvements	229,426	229,426	43,764
Furniture, fixture and equipment	10,197	10,197	1,522
Real estate	274,028	274,028	50,686
Accumulated depreciation	(3,422)	(3,422)	(154)
Real estate, net	270,606	270,606	$ 50,532
Depreciation	$ 1,700	$ 3,300

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Repurchase Agreements - Narrative (Details)	Sep. 30, 2021 financialInstitution counterparty
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Repurchase agreements, number of financial institutions | financialInstitution	3
Repurchase agreements, number of counterparties | counterparty	2

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Repurchase Agreements - Borrowings Under Financing Arrangements and Associated Assets Pledged as Collateral (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2021	Dec. 31, 2020
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Fair Value of Loans Pledged	$ 3,273,807	$ 3,049,166
Residential loans
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Maximum Aggregate Uncommitted Principal Amount	1,257,003	1,301,389
Outstanding Repurchase Agreements	335,434	407,213
Net Deferred Finance Costs	(878)	(1,682)
Fair Value of Loans Pledged	$ 492,860	$ 575,380
Weighted Average Rate	2.82%	2.92%
Weighted Average Months to Maturity	3 years 2 months 26 days	11 years 11 months 1 day
Residential loans | Repurchase agreements
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Carrying Value of Repurchase Agreements	$ 334,556	$ 405,531
Residential loans | Repurchase Agreement, Non Mark-to Market
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Outstanding Repurchase Agreements	$ 16,600	$ 49,800
Weighted Average Rate	4.00%	4.00%
Weighted Average Months to Maturity	5 years 10 days	8 years 9 months 18 days

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Collateralized Debt Obligations - Summary of Debt (Details) - Collateralized Debt Obligations - Secured Debt - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Sep. 30, 2021
Debt Instrument [Line Items]
Outstanding Face Amount	$ 1,547,963	$ 1,575,242
Collateralized debt, carrying value	1,623,658	1,615,078
Consolidated SLST
Debt Instrument [Line Items]
Outstanding Face Amount	975,017	861,184
Collateralized debt, carrying value	$ 1,054,335	$ 904,976
Weighted average interest rate	2.75%	2.75%
Weighted Average Rate of Notes Issued	3.53%	3.53%
Residential loan securitizations
Debt Instrument [Line Items]
Outstanding Face Amount	$ 557,497	$ 714,058
Collateralized debt, carrying value	$ 554,067	$ 710,102
Weighted average interest rate	3.36%	2.42%
Weighted Average Rate of Notes Issued	4.83%	3.38%
Non-Agency RMBS Re-Securitization
Debt Instrument [Line Items]
Outstanding Face Amount	$ 15,449
Collateralized debt, carrying value	$ 15,256
Non-Agency RMBS Re-Securitization | LIBOR
Debt Instrument [Line Items]
Interest rate, basis spread	0.0525%

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Collateralized Debt Obligations - Maturities (Details) $ in Thousands	Sep. 30, 2021 USD ($)
Debt Instrument [Line Items]
2021	$ 0
2022	138,000
2023	0
2024	108,676
2025	0
2026	100,000
Thereafter	140,110
Total	486,786
Secured Debt | Collateralized Debt Obligations
Debt Instrument [Line Items]
2021	0
2022	0
2023	0
2024	0
2026	180,000
Thereafter	1,395,242
Total	$ 1,575,242

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Debt - Narrative (Details)		9 Months Ended
	Apr. 27, 2021 USD ($)	Sep. 30, 2021 USD ($) jointVenture $ / shares	Sep. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)
Debt Instrument [Line Items]
Proceeds from issuance of senior unsecured notes, net		$ 96,267,000	$ 0
Long-term debt		$ 486,786,000
Number of joint venture invested in during period | jointVenture		5
6.25% senior convertible notes due 2022 | Convertible Notes
Debt Instrument [Line Items]
Face amount		$ 138,000,000
Interest rate		6.25%
Discount and deferred charges, net		$ 800,000		$ 2,700,000
Debt issuance cost, percentage		8.24%
Notes issued, percentage of principle		96.00%
Conversion ratio		0.1427144
Conversion price (in dollars per share) | $ / shares		$ 7.01
5.75% Senior Notes Due 2026 | Unsecured Debt
Debt Instrument [Line Items]
Face amount	$ 100,000,000
Interest rate	5.75%
Debt instrument, percentage of principal issued	100.00%
Proceeds from issuance of senior unsecured notes, net	$ 96,300,000
Long-term debt		$ 100,000,000
Deferred loan fees, net		$ 3,500,000
Debt issuance costs, amortization rate		6.64%
5.75% Senior Notes Due 2026 | Unsecured Debt | Between BB+ and B+ Credit Rating
Debt Instrument [Line Items]
Interest rate increase	0.50%
5.75% Senior Notes Due 2026 | Unsecured Debt | B+ or Below Credit Rating
Debt Instrument [Line Items]
Interest rate increase	0.75%
5.75% Senior Notes Due 2026 | Unsecured Debt | Debt Instrument, Redemption, Period One
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage	100.00%
5.75% Senior Notes Due 2026 | Unsecured Debt | Debt Instrument, Redemption, Period Two
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage	100.00%
Debt instrument, redemption price, percentage multiplyer	2.875%

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Debt - Schedule of Debt Redemption Details (Details) - 5.75% Senior Notes Due 2026 - Unsecured Debt	Apr. 27, 2021
Debt Instrument, Redemption, Period Two
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage multiplyer	2.875%
Debt Instrument, Redemption, Period Three
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage multiplyer	1.4375%
Debt Instrument, Redemption, Period Four
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage multiplyer	0.00%

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Debt - Preferred Securities (Details) - USD ($)	9 Months Ended	12 Months Ended
	Sep. 30, 2021	Dec. 31, 2020
NYM Preferred Trust I
Debt Instrument [Line Items]
Principal value of trust preferred securities	$ 25,000,000	$ 25,000,000
NYM Preferred Trust I | LIBOR
Debt Instrument [Line Items]
Interest rate, basis spread	3.75%	3.75%
NYM Preferred Trust II
Debt Instrument [Line Items]
Principal value of trust preferred securities	$ 20,000,000	$ 20,000,000
NYM Preferred Trust II | LIBOR
Debt Instrument [Line Items]
Interest rate, basis spread	3.95%	3.95%

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Debt - Schedule of Mortgage Notes Payable On Operating Real Estate (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Long-term debt	$ 486,786
VIE, Primary Beneficiary | Mortgage Note | Joint Venture Investment
Debt Instrument [Line Items]
Outstanding Mortgage Balance	203,786
Net Deferred Finance Cost	(3,066)
Long-term debt	$ 200,720
Weighted average interest rate	3.25%
Unfunded Commitment	$ 12,188
VIE, Primary Beneficiary | Mortgage Note | Preferred Equity Investment
Debt Instrument [Line Items]
Outstanding Mortgage Balance		$ 37,030
Net Deferred Finance Cost		(278)
Long-term debt		$ 36,752
Weighted average interest rate		2.54%
Unfunded Commitment		$ 0

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Debt - Schedule of Maturities of Long-Term Debt (Details) $ in Thousands	Sep. 30, 2021 USD ($)
Year Ending December 31,
2021	$ 0
2022	138,000
2023	0
2024	108,676
2025	0
2026	100,000
Thereafter	140,110
Total	$ 486,786

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Fair Value of Financial Instruments - Narrative (Details) - derivative	Sep. 30, 2021	Dec. 31, 2020
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Derivative liability, number of instruments held	0	0
Derivative asset, number of instruments held	0	0

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Fair Value of Financial Instruments - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Assets carried at fair value
Investment securities available for sale, at fair value	$ 140,597	$ 311,284
Fair Value, Measurements, Recurring
Assets carried at fair value
Equity investments	255,014	259,095
Total	4,096,726	4,196,580
Liabilities carried at fair value
Total	904,976	1,054,335
Fair Value, Measurements, Recurring | Residential loans
Assets carried at fair value
Residential loans, at fair value	1,325,219	1,090,930
Fair Value, Measurements, Recurring | Residential loans | Consolidated SLST | VIE, Primary Beneficiary
Assets carried at fair value
Residential loans, at fair value	1,137,005	1,266,785
Fair Value, Measurements, Recurring | Residential loans held in securitization trusts
Assets carried at fair value
Residential loans, at fair value	811,583	691,451
Fair Value, Measurements, Recurring | Multi-family loans
Assets carried at fair value
Multi-family loans	119,812	163,593
Fair Value, Measurements, Recurring | Agency RMBS
Assets carried at fair value
Investment securities available for sale, at fair value	125,589	139,395
Fair Value, Measurements, Recurring | Non-Agency RMBS
Assets carried at fair value
Investment securities available for sale, at fair value	224,776	355,666
Fair Value, Measurements, Recurring | CMBS
Assets carried at fair value
Investment securities available for sale, at fair value	56,243	186,440
Fair Value, Measurements, Recurring | ABS
Assets carried at fair value
Investment securities available for sale, at fair value	41,485	43,225
Fair Value, Measurements, Recurring | Residential Collateralized Debt Obligations, at Fair Value | Consolidated SLST | VIE, Primary Beneficiary
Liabilities carried at fair value
Collateralized debt obligations, at fair value	904,976	1,054,335
Level 1 | Fair Value, Measurements, Recurring
Assets carried at fair value
Equity investments	0	0
Total	0	0
Liabilities carried at fair value
Total	0	0
Level 1 | Fair Value, Measurements, Recurring | Residential loans
Assets carried at fair value
Residential loans, at fair value	0	0
Level 1 | Fair Value, Measurements, Recurring | Residential loans | Consolidated SLST | VIE, Primary Beneficiary
Assets carried at fair value
Residential loans, at fair value	0	0
Level 1 | Fair Value, Measurements, Recurring | Residential loans held in securitization trusts
Assets carried at fair value
Residential loans, at fair value	0	0
Level 1 | Fair Value, Measurements, Recurring | Multi-family loans
Assets carried at fair value
Multi-family loans	0	0
Level 1 | Fair Value, Measurements, Recurring | Agency RMBS
Assets carried at fair value
Investment securities available for sale, at fair value	0	0
Level 1 | Fair Value, Measurements, Recurring | Non-Agency RMBS
Assets carried at fair value
Investment securities available for sale, at fair value	0	0
Level 1 | Fair Value, Measurements, Recurring | CMBS
Assets carried at fair value
Investment securities available for sale, at fair value	0	0
Level 1 | Fair Value, Measurements, Recurring | ABS
Assets carried at fair value
Investment securities available for sale, at fair value	0	0
Level 1 | Fair Value, Measurements, Recurring | Residential Collateralized Debt Obligations, at Fair Value | Consolidated SLST | VIE, Primary Beneficiary
Liabilities carried at fair value
Collateralized debt obligations, at fair value	0	0
Level 2
Assets carried at fair value
Investment securities available for sale, at fair value	448,093	724,726
Level 2 | Fair Value, Measurements, Recurring
Assets carried at fair value
Equity investments	0	0
Total	448,093	724,726
Liabilities carried at fair value
Total	0	0
Level 2 | Fair Value, Measurements, Recurring | Residential loans
Assets carried at fair value
Residential loans, at fair value	0	0
Level 2 | Fair Value, Measurements, Recurring | Residential loans | Consolidated SLST | VIE, Primary Beneficiary
Assets carried at fair value
Residential loans, at fair value	0	0
Level 2 | Fair Value, Measurements, Recurring | Residential loans held in securitization trusts
Assets carried at fair value
Residential loans, at fair value	0	0
Level 2 | Fair Value, Measurements, Recurring | Multi-family loans
Assets carried at fair value
Multi-family loans	0	0
Level 2 | Fair Value, Measurements, Recurring | Agency RMBS
Assets carried at fair value
Investment securities available for sale, at fair value	125,589	139,395
Level 2 | Fair Value, Measurements, Recurring | Non-Agency RMBS
Assets carried at fair value
Investment securities available for sale, at fair value	224,776	355,666
Level 2 | Fair Value, Measurements, Recurring | CMBS
Assets carried at fair value
Investment securities available for sale, at fair value	56,243	186,440
Level 2 | Fair Value, Measurements, Recurring | ABS
Assets carried at fair value
Investment securities available for sale, at fair value	41,485	43,225
Level 2 | Fair Value, Measurements, Recurring | Residential Collateralized Debt Obligations, at Fair Value | Consolidated SLST | VIE, Primary Beneficiary
Liabilities carried at fair value
Collateralized debt obligations, at fair value	0	0
Level 3
Assets carried at fair value
Equity investments	255,014	259,095
Level 3 | Fair Value, Measurements, Recurring
Assets carried at fair value
Equity investments	255,014	259,095
Total	3,648,633	3,471,854
Liabilities carried at fair value
Total	904,976	1,054,335
Level 3 | Fair Value, Measurements, Recurring | Residential loans
Assets carried at fair value
Residential loans, at fair value	1,325,219	1,090,930
Level 3 | Fair Value, Measurements, Recurring | Residential loans | Consolidated SLST | VIE, Primary Beneficiary
Assets carried at fair value
Residential loans, at fair value	1,137,005	1,266,785
Level 3 | Fair Value, Measurements, Recurring | Residential loans held in securitization trusts
Assets carried at fair value
Residential loans, at fair value	811,583	691,451
Level 3 | Fair Value, Measurements, Recurring | Multi-family loans
Assets carried at fair value
Multi-family loans	119,812	163,593
Level 3 | Fair Value, Measurements, Recurring | Agency RMBS
Assets carried at fair value
Investment securities available for sale, at fair value	0	0
Level 3 | Fair Value, Measurements, Recurring | Non-Agency RMBS
Assets carried at fair value
Investment securities available for sale, at fair value	0	0
Level 3 | Fair Value, Measurements, Recurring | CMBS
Assets carried at fair value
Investment securities available for sale, at fair value	0	0
Level 3 | Fair Value, Measurements, Recurring | ABS
Assets carried at fair value
Investment securities available for sale, at fair value	0	0
Level 3 | Fair Value, Measurements, Recurring | Residential Collateralized Debt Obligations, at Fair Value | Consolidated SLST | VIE, Primary Beneficiary
Liabilities carried at fair value
Collateralized debt obligations, at fair value	$ 904,976	$ 1,054,335

XML

Fair Value of Financial Instruments - Valuation for Level 3 Assets (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at beginning of period	$ 3,471,854	$ 20,659,268
Total gains/(losses) (realized/unrealized)
Included in earnings	83,305	72,991
Transfers in		500,793
Transfers out	(3,787)	(243,855)
Transfers to securitization trust	0	0
Funding/Contributions	53,200	49,663
Paydowns/Distributions	(864,268)	(588,320)
Recovery of charge-off		35
Sales	(67,452)	(17,475,238)
Purchases	975,781	249,312
Balance at the end of period	3,648,633	3,224,649
Consolidated SLST | VIE, Primary Beneficiary | Residential loans
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at beginning of period	1,266,785	1,328,886
Total gains/(losses) (realized/unrealized)
Included in earnings	(16,522)	24,096
Transfers in		0
Transfers out	0	0
Transfers to securitization trust	0	0
Funding/Contributions	0	0
Paydowns/Distributions	(113,258)	(62,977)
Recovery of charge-off		0
Sales	0	0
Purchases	0	0
Balance at the end of period	1,137,005	1,290,005
Consolidated K-Series | VIE, Primary Beneficiary | Multi-family loans
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at beginning of period		17,816,746
Total gains/(losses) (realized/unrealized)
Included in earnings		41,795
Transfers in		0
Transfers out		(237,297)
Transfers to securitization trust		0
Funding/Contributions		0
Paydowns/Distributions		(239,796)
Recovery of charge-off		35
Sales		(17,381,483)
Purchases		0
Balance at the end of period		0
Residential loans | Residential loans
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at beginning of period	1,090,930	1,429,754
Total gains/(losses) (realized/unrealized)
Included in earnings	28,094	(26,069)
Transfers in		164,279
Transfers out	(2,080)	(5,061)
Transfers to securitization trust	(236,751)	(317,089)
Funding/Contributions	0	0
Paydowns/Distributions	(464,097)	(224,073)
Recovery of charge-off		0
Sales	(65,076)	(93,755)
Purchases	974,199	249,312
Balance at the end of period	1,325,219	1,177,298
Residential loans held in securitization trusts | Residential loans
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at beginning of period	691,451	0
Total gains/(losses) (realized/unrealized)
Included in earnings	34,901	8,836
Transfers in		46,572
Transfers out	(1,707)	(1,497)
Transfers to securitization trust	(236,751)	317,089
Funding/Contributions	0	0
Paydowns/Distributions	(149,019)	(15,514)
Recovery of charge-off		0
Sales	(2,376)	0
Purchases	1,582	0
Balance at the end of period	811,583	355,486
Multi-family loans | Multi-family loans
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at beginning of period	163,593
Total gains/(losses) (realized/unrealized)
Included in earnings	14,811
Transfers out	0
Transfers to securitization trust	0
Funding/Contributions	7,970
Paydowns/Distributions	(66,562)
Sales	0
Purchases	0
Balance at the end of period	119,812
Preferred equity and mezzanine loan investments | Multi-family loans
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at beginning of period		0
Total gains/(losses) (realized/unrealized)
Included in earnings		9,760
Transfers in		182,465
Transfers out		0
Transfers to securitization trust		0
Funding/Contributions		13,712
Paydowns/Distributions		(22,783)
Recovery of charge-off		0
Sales		0
Purchases		0
Balance at the end of period		183,154
Equity investments
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at beginning of period		83,882
Total gains/(losses) (realized/unrealized)
Included in earnings		14,573
Transfers in		107,477
Funding/Contributions		35,951
Paydowns/Distributions		(23,177)
Equity investments | Multi-family loans
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at beginning of period	259,095	83,882
Total gains/(losses) (realized/unrealized)
Included in earnings	22,021	14,573
Transfers in		107,477
Transfers out	0	0
Transfers to securitization trust	0	0
Funding/Contributions	45,230	35,951
Paydowns/Distributions	(71,332)	(23,177)
Recovery of charge-off		0
Sales	0	0
Purchases	0	0
Balance at the end of period	$ 255,014	$ 218,706

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Fair Value of Financial Instruments - Valuation for Level 3 Liabilities (Details) - Collateralized Debt Obligations - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at beginning of period		$ 17,777,280
Total gains (realized/unrealized)
Included in earnings		101,221
Paydowns		(210,654)
Sales		(16,589,867)
Balance at the end of period		1,077,980
Consolidated K-Series | VIE, Primary Beneficiary
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at beginning of period		16,724,451
Total gains (realized/unrealized)
Included in earnings		35,018
Paydowns		(147,376)
Sales		(16,612,093)
Balance at the end of period		0
Consolidated SLST | VIE, Primary Beneficiary
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at beginning of period	$ 1,054,335	1,052,829
Total gains (realized/unrealized)
Included in earnings	(35,525)	66,203
Paydowns	(113,834)	(63,278)
Sales		22,226
Balance at the end of period	$ 904,976	$ 1,077,980

XML

Fair Value of Financial Instruments - Schedule of Quantitative Information Regarding Significant and Unobservable Inputs Used in the Valuation of Level 3 Assets and Liabilities Measured at Fair Value (Details)	9 Months Ended
	Sep. 30, 2021 USD ($)	Dec. 31, 2020 USD ($)
Residential Collateralized Debt Obligations, at Fair Value
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Collateralized debt, carrying value	$ 904,976,000	$ 1,054,335,000
Residential Collateralized Debt Obligations, at Fair Value | VIE, Primary Beneficiary
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Collateralized debt, carrying value	904,976,000	1,054,335,000
Consolidated SLST | VIE, Primary Beneficiary
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Investment in Consolidated SLST limited to securities owned, net carrying value	231,100,000	212,100,000
Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Residential mortgage loans, at fair value	3,273,807,000
Equity investments	255,014,000	259,095,000
Level 3 | Residential Collateralized Debt Obligations, at Fair Value
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Collateralized debt, carrying value	904,976,000	$ 1,054,335,000
Level 3 | Equity investments
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Equity investments	$ 237,925,000
Level 3 | Loss Severity | Discounted Cash Flow | Weighted Average | Equity investments
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Investments in unconsolidated entities, measurement input	0
Level 3 | Discount Rate | Discounted Cash Flow | Weighted Average | Equity investments
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Investments in unconsolidated entities, measurement input	0.119
Level 3 | Discount Rate | Discounted Cash Flow | Minimum | Equity investments
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Investments in unconsolidated entities, measurement input	0.110
Level 3 | Discount Rate | Discounted Cash Flow | Maximum | Equity investments
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Investments in unconsolidated entities, measurement input	0.183
Level 3 | Months To Assumed Redemption | Discounted Cash Flow | Weighted Average | Equity investments
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Residential mortgage loans, measurement input, redemption period (in months)	26 months
Level 3 | Months To Assumed Redemption | Discounted Cash Flow | Minimum | Equity investments
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Residential mortgage loans, measurement input, redemption period (in months)	1 month
Level 3 | Months To Assumed Redemption | Discounted Cash Flow | Maximum | Equity investments
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Residential mortgage loans, measurement input, redemption period (in months)	60 months
Level 3 | Residential loans and residential loans held in securitization trusts
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Residential mortgage loans, at fair value	$ 2,044,724,000
Level 3 | Residential loans and residential loans held in securitization trusts | Liquidation Model
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Residential mortgage loans, at fair value	$ 92,078,000
Level 3 | Residential loans and residential loans held in securitization trusts | Lifetime CPR | Discounted Cash Flow | Weighted Average
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Residential mortgage loans, measurement input	0.085
Level 3 | Residential loans and residential loans held in securitization trusts | Lifetime CPR | Discounted Cash Flow | Minimum
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Residential mortgage loans, measurement input	0
Level 3 | Residential loans and residential loans held in securitization trusts | Lifetime CPR | Discounted Cash Flow | Maximum
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Residential mortgage loans, measurement input	0.513
Level 3 | Residential loans and residential loans held in securitization trusts | Lifetime CDR | Discounted Cash Flow | Weighted Average
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Residential mortgage loans, measurement input	0.007
Level 3 | Residential loans and residential loans held in securitization trusts | Lifetime CDR | Discounted Cash Flow | Minimum
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Residential mortgage loans, measurement input	0
Level 3 | Residential loans and residential loans held in securitization trusts | Lifetime CDR | Discounted Cash Flow | Maximum
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Residential mortgage loans, measurement input	0.287
Level 3 | Residential loans and residential loans held in securitization trusts | Loss Severity | Discounted Cash Flow | Weighted Average
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Residential mortgage loans, measurement input	0.104
Level 3 | Residential loans and residential loans held in securitization trusts | Loss Severity | Discounted Cash Flow | Minimum
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Residential mortgage loans, measurement input	0
Level 3 | Residential loans and residential loans held in securitization trusts | Loss Severity | Discounted Cash Flow | Maximum
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Residential mortgage loans, measurement input	1.000
Level 3 | Residential loans and residential loans held in securitization trusts | Yield | Discounted Cash Flow | Weighted Average
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Residential mortgage loans, measurement input	0.048
Level 3 | Residential loans and residential loans held in securitization trusts | Yield | Discounted Cash Flow | Minimum
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Residential mortgage loans, measurement input	0.024
Level 3 | Residential loans and residential loans held in securitization trusts | Yield | Discounted Cash Flow | Maximum
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Residential mortgage loans, measurement input	0.487
Level 3 | Residential loans and residential loans held in securitization trusts | Yield | Liquidation Model | Weighted Average
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Residential mortgage loans, measurement input	0.071
Level 3 | Residential loans and residential loans held in securitization trusts | Yield | Liquidation Model | Minimum
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Residential mortgage loans, measurement input	0.070
Level 3 | Residential loans and residential loans held in securitization trusts | Yield | Liquidation Model | Maximum
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Residential mortgage loans, measurement input	0.280
Level 3 | Residential loans and residential loans held in securitization trusts | Annual Home Price Appreciation | Liquidation Model | Weighted Average
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Residential mortgage loans, measurement input	0.014
Level 3 | Residential loans and residential loans held in securitization trusts | Annual Home Price Appreciation | Liquidation Model | Minimum
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Residential mortgage loans, measurement input	0
Level 3 | Residential loans and residential loans held in securitization trusts | Annual Home Price Appreciation | Liquidation Model | Maximum
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Residential mortgage loans, measurement input	0.254
Level 3 | Residential loans and residential loans held in securitization trusts | Liquidation Timeline | Liquidation Model | Weighted Average
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Residential mortgage loans, measurement input, liquidation timeline (in months)	30 months
Level 3 | Residential loans and residential loans held in securitization trusts | Liquidation Timeline | Liquidation Model | Minimum
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Residential mortgage loans, measurement input, liquidation timeline (in months)	9 months
Level 3 | Residential loans and residential loans held in securitization trusts | Liquidation Timeline | Liquidation Model | Maximum
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Residential mortgage loans, measurement input, liquidation timeline (in months)	53 months
Level 3 | Residential loans and residential loans held in securitization trusts | Property Value | Liquidation Model | Weighted Average
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Residential mortgage loans, at fair value	$ 720,766
Level 3 | Residential loans and residential loans held in securitization trusts | Property Value | Liquidation Model | Minimum
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Residential mortgage loans, at fair value	15,000
Level 3 | Residential loans and residential loans held in securitization trusts | Property Value | Liquidation Model | Maximum
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Residential mortgage loans, at fair value	6,500,000
Level 3 | Multi-family loans
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Multi-family loans	$ 119,812,000
Level 3 | Multi-family loans | Loss Severity | Discounted Cash Flow | Weighted Average
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Financial instruments owned, measurement input	0
Level 3 | Multi-family loans | Discount Rate | Discounted Cash Flow | Weighted Average
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Financial instruments owned, measurement input	0.115
Level 3 | Multi-family loans | Discount Rate | Discounted Cash Flow | Minimum
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Financial instruments owned, measurement input	0.110
Level 3 | Multi-family loans | Discount Rate | Discounted Cash Flow | Maximum
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Financial instruments owned, measurement input	0.195
Level 3 | Multi-family loans | Months To Assumed Redemption | Discounted Cash Flow | Weighted Average
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Financial instruments owned, assumed redemption period (in months)	23 months
Level 3 | Multi-family loans | Months To Assumed Redemption | Discounted Cash Flow | Minimum
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Financial instruments owned, assumed redemption period (in months)	1 month
Level 3 | Multi-family loans | Months To Assumed Redemption | Discounted Cash Flow | Maximum
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Financial instruments owned, assumed redemption period (in months)	60 months
Level 3 | Consolidated SLST | VIE, Primary Beneficiary
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Residential mortgage loans, at fair value	$ 1,137,005,000
Investment in Consolidated SLST limited to securities owned, net carrying value	231,100,000
Level 3 | Consolidated SLST | Residential Collateralized Debt Obligations, at Fair Value | VIE, Primary Beneficiary
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Collateralized debt, carrying value	$ 904,976,000
Level 3 | Consolidated SLST | Loss Severity | Discounted Cash Flow | Weighted Average | Residential Collateralized Debt Obligations, at Fair Value | VIE, Primary Beneficiary
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Debt, measurement input	0.187
Level 3 | Consolidated SLST | Loss Severity | Discounted Cash Flow | Minimum | Residential Collateralized Debt Obligations, at Fair Value | VIE, Primary Beneficiary
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Debt, measurement input	0
Level 3 | Consolidated SLST | Loss Severity | Discounted Cash Flow | Maximum | Residential Collateralized Debt Obligations, at Fair Value | VIE, Primary Beneficiary
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Debt, measurement input	0.212
Level 3 | Consolidated SLST | Yield | Discounted Cash Flow | Weighted Average | Residential Collateralized Debt Obligations, at Fair Value | VIE, Primary Beneficiary
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Debt, measurement input	0.026
Level 3 | Consolidated SLST | Yield | Discounted Cash Flow | Minimum | Residential Collateralized Debt Obligations, at Fair Value | VIE, Primary Beneficiary
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Debt, measurement input	0.015
Level 3 | Consolidated SLST | Yield | Discounted Cash Flow | Maximum | Residential Collateralized Debt Obligations, at Fair Value | VIE, Primary Beneficiary
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Debt, measurement input	0.233
Level 3 | Consolidated SLST | Collateral Prepayment Rate | Discounted Cash Flow | Weighted Average | Residential Collateralized Debt Obligations, at Fair Value | VIE, Primary Beneficiary
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Debt, measurement input	0.057
Level 3 | Consolidated SLST | Collateral Prepayment Rate | Discounted Cash Flow | Minimum | Residential Collateralized Debt Obligations, at Fair Value | VIE, Primary Beneficiary
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Debt, measurement input	0.025
Level 3 | Consolidated SLST | Collateral Prepayment Rate | Discounted Cash Flow | Maximum | Residential Collateralized Debt Obligations, at Fair Value | VIE, Primary Beneficiary
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Debt, measurement input	0.064
Level 3 | Consolidated SLST | Collateral Default Rate | Discounted Cash Flow | Weighted Average | Residential Collateralized Debt Obligations, at Fair Value | VIE, Primary Beneficiary
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Debt, measurement input	0.018
Level 3 | Consolidated SLST | Collateral Default Rate | Discounted Cash Flow | Minimum | Residential Collateralized Debt Obligations, at Fair Value | VIE, Primary Beneficiary
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Debt, measurement input	0
Level 3 | Consolidated SLST | Collateral Default Rate | Discounted Cash Flow | Maximum | Residential Collateralized Debt Obligations, at Fair Value | VIE, Primary Beneficiary
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Debt, measurement input	0.094

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Fair Value of Financial Instruments - Changes in Unrealized Gains (Losses) Included in Earnings for Level 3 Assets and Liabilities (Details) - Level 3 - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Collateralized Debt Obligations | Consolidated SLST | VIE, Primary Beneficiary
Liabilities
Unrealized gains (losses)	$ (1,985)	$ (13,918)	$ 35,905	$ (62,907)
Residential loans | Consolidated SLST | VIE, Primary Beneficiary
Assets
Unrealized gains (losses)	6,287	41,063	(12,585)	28,014
Residential loans | Residential loans
Assets
Unrealized gains (losses)	7,881	35,420	21,476	(883)
Residential loans | Residential Loans Held in Securitization Trusts
Assets
Unrealized gains (losses)	12,791	817	31,015	(823)
Multi-family loans | Preferred Equity and Mezzanine Loan Investments
Assets
Unrealized gains (losses)	538	(955)	1,203	(6,518)
Multi-family loans | Equity investments
Assets
Unrealized gains (losses)	$ (294)	$ 7	$ 634	$ (4,052)

XML

Fair Value of Financial Instruments - Carrying Value and Estimated Fair Value of the Company's Financial Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020	Sep. 30, 2020
Financial Assets:
Cash and cash equivalents	$ 408,785	$ 293,183	$ 649,822
Investment securities available for sale:	140,597	311,284
Equity Investments, carrying value	255,014	259,095
Financial Liabilities
Subordinated debentures, carrying value	45,000	45,000
Convertible notes, carrying value	137,240	135,327
Senior unsecured notes, carrying value	96,540	0
Mortgages payable on operating real estate, carrying value	486,786
Residential collateralized debt obligations
Financial Liabilities
Collateralized debt, carrying value	710,102	569,323
Residential Collateralized Debt Obligations, at Fair Value
Financial Liabilities
Collateralized debt, carrying value	904,976	1,054,335
Level 1
Financial Assets:
Cash and cash equivalents	408,785	293,183
Cash and cash equivalents, estimated fair value	408,785	293,183
Level 2
Financial Assets:
Investment securities available for sale:	448,093	724,726
Financial Liabilities
Convertible notes, carrying value	137,240	135,327
Convertible notes, estimated fair value	139,474	137,716
Senior unsecured notes, carrying value	96,540	0
Senior unsecured notes, estimated fair value	104,794	0
Level 2 | Portfolio Investments
Financial Liabilities
Outstanding repurchase agreements	334,556	405,531
Level 2 | Non-Agency RMBS Re-Securitization
Financial Liabilities
Collateralized debt, carrying value	0	15,256
Secured debt, estimated fair value	0	15,472
Level 3
Financial Assets:
Equity Investments, carrying value	255,014	259,095
Equity Investment, estimated fair value	255,014	259,095
Financial Liabilities
Subordinated debentures, carrying value	45,000	45,000
Subordinated debentures, estimated fair value	44,188	36,871
Level 3 | Mortgage Note
Financial Liabilities
Mortgages payable on operating real estate, carrying value	200,720	36,752
Mortgages payable on operating real estate, estimated fair value	200,720	36,752
Level 3 | Residential collateralized debt obligations
Financial Liabilities
Collateralized debt, carrying value	710,102	554,067
Secured debt, estimated fair value	714,176	561,329
Level 3 | Residential Collateralized Debt Obligations, at Fair Value
Financial Liabilities
Collateralized debt, carrying value	904,976	1,054,335
Secured debt, estimated fair value	904,976	1,054,335
Level 3 | Residential loans
Financial Assets:
Residential loans	3,273,807	3,049,166
Residential mortgage loans, estimated fair value	3,273,807	3,049,166
Level 3 | Multi-family loans
Financial Assets:
Preferred equity and mezzanine loan investments, carrying value	119,812	163,593
Preferred equity and mezzanine loan investments, estimated fair value	$ 119,812	$ 163,593

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Stockholders' Equity - Narrative (Details) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended							9 Months Ended		12 Months Ended
	Jul. 30, 2021 USD ($) $ / shares shares	Sep. 30, 2021 USD ($) director quarter seriesOfPreferredStock $ / shares shares	Jun. 30, 2021 $ / shares	Mar. 31, 2021 $ / shares	Dec. 31, 2020 $ / shares shares	Sep. 30, 2020 USD ($) $ / shares shares	Jun. 30, 2020 $ / shares	Mar. 31, 2020 $ / shares	Sep. 30, 2021 USD ($) director quarter seriesOfPreferredStock $ / shares shares	Sep. 30, 2020 USD ($) shares	Dec. 31, 2020 $ / shares shares	Aug. 10, 2021 USD ($) $ / shares	Nov. 27, 2019 USD ($)	Mar. 29, 2019 USD ($)	Aug. 10, 2017 USD ($)
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)					30,900,000						30,900,000
Number of series of cumulative redeemable preferred stock outstanding | seriesOfPreferredStock		4							4
Redemption price (in dollars per share) | $ / shares		$ 25.00							$ 25.00
Common stock issuance, net | $										$ 511,906
Net income attributable to company's common stockholders | $		$ (394)				$ 1,764			$ (3,428)	$ 704
Preferred stock redemption period									120 days
Number of elected directors pending preferred stock voting rights | director		2							2
Percent of outstanding shares affirmative votes needed for material and adverse changes to preferred stock terms									66.67%
Cash dividend per share (in dollars per share) | $ / shares		$ 0.100	$ 0.100	$ 0.100	$ 0.100	$ 0.075	$ 0.050	$ 0
Common stock, par value (in usd per share) | $ / shares		$ 0.01			$ 0.01				$ 0.01		$ 0.01
Equity Distribution Agreements
Class of Stock [Line Items]
Common stock, par value (in usd per share) | $ / shares												$ 0.01
Common stock that may be sold (up to) | $												$ 100,000
Common stock reserved for issuance | $		$ 100,000							$ 100,000						$ 72,500
Shares issued (in shares)		0				0			0	0
Equity agreement for preferred stock maximum aggregate sales price (up to) | $												$ 149,100	$ 131,500
Preferred Equity Distribution Agreement
Class of Stock [Line Items]
Shares issued (in shares)		0				0			0	0
Equity agreement for preferred stock maximum aggregate sales price (up to) | $														$ 50,000
Preferred stock available for future issuance, value | $		$ 100,000							$ 100,000
Series B Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)		6,000,000			6,000,000				6,000,000		6,000,000
Preferred stock, shares issued (in shares)		3,156,087			3,156,087				3,156,087		3,156,087
Preferred stock, cumulative redeemable dividend rate									7.75%		7.75%
Series D Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)		8,400,000			8,400,000				8,400,000		8,400,000
Preferred stock, shares issued (in shares)		6,123,495			6,123,495				6,123,495		6,123,495
Preferred stock, cumulative redeemable dividend rate									8.00%		8.00%
Series E Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)	2,000,000	9,900,000			9,900,000				9,900,000		9,900,000
Preferred stock, shares issued (in shares)		7,411,499			7,411,499				7,411,499		7,411,499
Preferred stock, cumulative redeemable dividend rate									7.875%		7.875%
Series F Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)	5,750,000	7,750,000							7,750,000
Preferred stock, shares issued (in shares)		5,750,000							5,750,000
Preferred stock, cumulative redeemable dividend rate	6.875%								6.875%
Redemption price (in dollars per share) | $ / shares	$ 25.00
Series F Preferred Stock | Underwritten Public Offering
Class of Stock [Line Items]
Common stock issuance, net | $	$ 138,600
Preferred stock, liquidation preference per share (in dollars per share) | $ / shares		$ 25							$ 25
Series C Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)					6,600,000						6,600,000
Preferred stock, shares issued (in shares)					4,181,807						4,181,807
Preferred stock, cumulative redeemable dividend rate									7.875%		7.875%
Redemption price (in dollars per share) | $ / shares	$ 25.08
Preferred stock, liquidation preference per share (in dollars per share) | $ / shares		$ 25.00							$ 25.00
Net income attributable to company's common stockholders | $		$ (3,400)							$ (3,400)
Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)		200,000,000			200,000,000				200,000,000		200,000,000
Preferred stock, par value (in usd per share) | $ / shares		$ 0.01			$ 0.01				$ 0.01		$ 0.01
Preferred stock, shares outstanding (in shares)		22,441,081			20,872,888				22,441,081		20,872,888
Preferred stock, shares issued (in shares)		22,441,081			20,872,888				22,441,081		20,872,888
Number of quarters with no dividends that results in voting rights | quarter		6							6

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Stockholders' Equity - Schedule of Preferred Stock Issued and Outstanding (Details) - USD ($)	1 Months Ended	9 Months Ended		12 Months Ended
	Jul. 30, 2021	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)				30,900,000
Preferred stock, carrying value		$ 542,232,000		$ 504,765,000
Series B Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)		6,000,000		6,000,000
Preferred stock, shares issued (in shares)		3,156,087		3,156,087
Preferred stock, carrying value		$ 76,180,000		$ 76,180,000
Preferred stock, liquidation preference		$ 78,902,000		$ 78,902,000
Preferred stock, contractual rate, percentage		7.75%		7.75%
Series C Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)				6,600,000
Preferred stock, shares issued (in shares)				4,181,807
Preferred stock, carrying value				$ 101,102,000
Preferred stock, liquidation preference				$ 104,545,000
Preferred stock, contractual rate, percentage		7.875%		7.875%
Preferred stock, liquidation preference per share (in dollars per share)		$ 25.00
Series D Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)		8,400,000		8,400,000
Preferred stock, shares issued (in shares)		6,123,495		6,123,495
Preferred stock, carrying value		$ 148,134,000		$ 148,134,000
Preferred stock, liquidation preference		$ 153,087,000		$ 153,087,000
Preferred stock, contractual rate, percentage		8.00%		8.00%
Series D Preferred Stock | LIBOR
Class of Stock [Line Items]
Preferred stock, floating annual rate, percentage		0.00057%	0.00057%
Series E Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)	2,000,000	9,900,000		9,900,000
Preferred stock, shares issued (in shares)		7,411,499		7,411,499
Preferred stock, carrying value		$ 179,349,000		$ 179,349,000
Preferred stock, liquidation preference		$ 185,288,000		$ 185,288,000
Preferred stock, contractual rate, percentage		7.875%		7.875%
Series E Preferred Stock | LIBOR
Class of Stock [Line Items]
Preferred stock, floating annual rate, percentage		0.06429%	0.06429%
Series F Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)	5,750,000	7,750,000
Preferred stock, shares issued (in shares)		5,750,000
Preferred stock, carrying value		$ 138,569,000
Preferred stock, liquidation preference		$ 143,750,000
Preferred stock, contractual rate, percentage	6.875%	6.875%
Series F Preferred Stock | Underwritten Public Offering
Class of Stock [Line Items]
Preferred stock, liquidation preference per share (in dollars per share)		$ 25
Series F Preferred Stock | LIBOR
Class of Stock [Line Items]
Preferred stock, floating annual rate, percentage		0.0613%
Preferred Stock, Series Shares
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)		32,050,000		30,900,000
Preferred stock, shares issued (in shares)		22,441,081		20,872,888
Preferred stock, carrying value		$ 542,232,000		$ 504,765,000
Preferred stock, liquidation preference		$ 561,027,000		$ 521,822,000

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Stockholders' Equity - Cash Dividends Declared - Preferred Stock (Details) - $ / shares	Sep. 13, 2021	Jun. 14, 2021	Mar. 15, 2021	Dec. 07, 2020	Sep. 14, 2020	Jun. 15, 2020
Series B Preferred Stock
Dividends Payable [Line Items]
Cash dividend per share (in dollars per share)	$ 0.484375	$ 0.484375	$ 0.484375	$ 0.484375	$ 0.484375	$ 0.968750
Series C Preferred Stock
Dividends Payable [Line Items]
Cash dividend per share (in dollars per share)	0	0.4921875	0.4921875	0.4921875	0.4921875	0.9843750
Series D Preferred Stock
Dividends Payable [Line Items]
Cash dividend per share (in dollars per share)	0.50	0.50	0.50	0.50	0.50	1.00
Series E Preferred Stock
Dividends Payable [Line Items]
Cash dividend per share (in dollars per share)	0.4921875	0.4921875	0.4921875	0.4921875	0.4921875	0.9843750
Series F Preferred Stock
Dividends Payable [Line Items]
Cash dividend per share (in dollars per share)	$ 0.4679	$ 0	$ 0	$ 0	$ 0	$ 0

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Stockholders' Equity - Cash Dividends Declared - Common Stock (Details) - $ / shares	3 Months Ended
	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020
Stockholders' Equity Note [Abstract]
Cash dividend per share (in dollars per share)	$ 0.100	$ 0.100	$ 0.100	$ 0.100	$ 0.075	$ 0.050	$ 0

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Earnings (Loss) Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Basic Earnings (Loss) per Common Share:
Net income (loss) attributable to Company	$ 51,576	$ 101,641	$ 157,024	$ (368,929)
Less: Preferred stock dividends	(11,272)	(10,297)	(31,865)	(30,890)
Less: Preferred Stock redemption charge	(3,443)	0	(3,443)	0
NET INCOME (LOSS) ATTRIBUTABLE TO COMPANY'S COMMON STOCKHOLDERS	$ 36,861	$ 91,344	$ 121,716	$ (399,819)
Weighted average common shares outstanding-basic (in shares)	379,395	377,744	379,193	368,740
Basic Earnings (Loss) per Common Share (in dollars per share)	$ 0.10	$ 0.24	$ 0.32	$ (1.08)
Diluted Earnings (Loss) per Common Share:
Net income (loss) attributable to Company	$ 51,576	$ 101,641	$ 157,024	$ (368,929)
Less: Preferred stock dividends	(11,272)	(10,297)	(31,865)	(30,890)
Less: Preferred Stock redemption charge	(3,443)	0	(3,443)	0
Add back: Interest expense on Convertible Notes for the period, net of tax	0	2,525	0	0
Net income (loss) attributable to Company's common stockholders	$ 36,861	$ 93,869	$ 121,716	$ (399,819)
Weighted average common shares outstanding-basic (in shares)	379,395	377,744	379,193	368,740
Net effect of assumed Convertible Notes conversion to common shares (in shares)	0	19,694	0	0
Diluted weighted average common shares outstanding (in shares)	380,983	399,709	381,105	368,740
Diluted Earnings (Loss) per Common Share (in dollars per share)	$ 0.10	$ 0.23	$ 0.32	$ (1.08)
PSUs
Diluted Earnings (Loss) per Common Share:
Net effect of assumed PSUs/RSUs vested (in shares)	1,378	369	1,746	0
RSUs
Diluted Earnings (Loss) per Common Share:
Net effect of assumed PSUs/RSUs vested (in shares)	210	1,902	166	0

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Stock Based Compensation - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020	Dec. 31, 2019
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested shares (in shares)	1,790,342	1,603,766	1,790,342	1,603,766	1,603,766	837,123
Unrecognized compensation cost	$ 5.7	$ 6.9	$ 5.7	$ 6.9
Unrecognized compensation cost, period for recognition			1 year 8 months 12 days
Fair value of vested shares			$ 2.5	$ 1.8
Shares vested (in shares)			621,438	287,611
PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value of vested shares			$ 3.7
Fair value, expected term			3 years
Fair value, expected term for volatility rate			3 years
Shares vested (in shares)			974,074
Vested shares target (in shares)	842,792		842,792
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested shares (in shares)	1,016,252	441,746	1,016,252	441,746	441,746	0
Fair value of vested shares			$ 0.5
Requisite service period			3 years
Shares vested (in shares)			147,254	0
2017 Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of shares that may be issued (in shares)	43,170,000		43,170,000
Shares available for grant (in shares)	31,486,637		31,486,637		5,540,536
2017 Incentive Plan | Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued (in shares)			687,503		507,821
2017 Incentive Plan | Employee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued (in shares)			2,689,394
2017 Incentive Plan | Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested shares (in shares)	1,790,342		1,790,342		1,603,766
Shares available for grant (in shares)					4,798,517
Shares issued (in shares)					1,881,380
Share-based compensation expense	$ 1.0	$ 1.0	$ 3.2	$ 2.8
2017 Incentive Plan | PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for grant (in shares)	6,168,886		6,168,886
Share-based compensation expense	$ 0.9	1.3	$ 3.9	3.7
Unrecognized compensation cost	$ 9.2	7.0	$ 9.2	7.0
Unrecognized compensation cost, period for recognition			1 year 10 months 24 days
Award vesting period			3 years		3 years
Number of consecutive trading days for Total Shareholder Return (TSR) calculation			30 days
2017 Incentive Plan | PSUs | Relative TSR Performance is Less Than the 30th Percentile
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights, percentage			0.00%
2017 Incentive Plan | PSUs | Relative TSR Performance is Equal to the 50th Percentile
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights, percentage			100.00%
2017 Incentive Plan | RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for grant (in shares)	1,016,252		1,016,252		441,746
Share-based compensation expense	$ 0.4	0.2	$ 1.3	0.7
Unrecognized compensation cost	$ 3.2	$ 2.1	$ 3.2	$ 2.1
Unrecognized compensation cost, period for recognition			1 year 10 months 24 days
2010 Stock Incentive Plan | Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested shares (in shares)	0		0

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Stock Based Compensation - Non-vested Restricted Stock, PSU and RSU Award Activity (Details) - $ / shares	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Restricted Stock
Number of Non-vested Restricted Shares
Non-vested shares at beginning of period (in shares)	1,603,766	837,123
Granted (in shares)	939,446	1,054,254
Vested (in shares)	(621,438)	(287,611)
Forfeited (in shares)	(131,432)	0
Non-vested shares at end of period (in shares)	1,790,342	1,603,766
Weighted Average Per Share Grant Date Fair Value
Non-vested shares at beginning of period (in dollars per share)	$ 6.27	$ 6.18
Granted (in dollars per share)	3.82	6.33
Vested (in dollars per share)	5.41	6.22
Forfeited (in dollars per share)	4.92	0
Non-vested shares at end of period (in dollars per share)	$ 5.10	6.27
PSUs
Number of Non-vested Restricted Shares
Vested (in shares)	(974,074)
Weighted Average Per Share Grant Date Fair Value
Non-vested shares at beginning of period (in dollars per share)	$ 4.98	4.09
Granted (in dollars per share)	5.56	7.03
Vested (in dollars per share)	4.20	0
Forfeited (in dollars per share)	5.29	0
Non-vested shares at end of period (in dollars per share)	$ 5.43	$ 4.98
PSUs, Target
Number of Non-vested Restricted Shares
Non-vested shares at beginning of period (in shares)	2,902,014	2,018,518
Granted (in shares)	1,631,661	883,496
Vested (in shares)	(842,792)	0
Forfeited (in shares)	(314,143)	0
Non-vested shares at end of period (in shares)	3,376,740	2,902,014
RSUs
Number of Non-vested Restricted Shares
Non-vested shares at beginning of period (in shares)	441,746	0
Granted (in shares)	815,830	441,746
Vested (in shares)	(147,254)	0
Forfeited (in shares)	(94,070)	0
Non-vested shares at end of period (in shares)	1,016,252	441,746
Weighted Average Per Share Grant Date Fair Value
Non-vested shares at beginning of period (in dollars per share)	$ 6.23	$ 0
Granted (in dollars per share)	3.69	6.23
Vested (in dollars per share)	6.23	0
Forfeited (in dollars per share)	4.37	0
Non-vested shares at end of period (in dollars per share)	$ 4.36	$ 6.23

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Income Taxes - Income Tax Provision (Benefit) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Tax Disclosure [Abstract]
Current income tax expense (benefit)	$ 226	$ (659)	$ 497	$ 1,386
Deferred income tax expense (benefit)	989	(113)	799	(469)
Total income tax provision (benefit)	$ 1,215	$ (772)	$ 1,296	$ 917

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Income Taxes - Deferred Tax Asset (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Deferred tax assets
Net operating loss carryforward	$ 4,417	$ 6,024
Capital loss carryover	7,481	4,442
GAAP/Tax basis differences	317	814
Total deferred tax assets	12,215	11,280
Deferred tax liabilities
GAAP/Tax basis differences	6,247	2
Total deferred tax liabilities	6,247	2
Valuation allowance	(4,993)	(9,503)
Total net deferred tax asset	$ 975	$ 1,775

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Income Taxes - Narrative (Details) $ in Millions	9 Months Ended
	Sep. 30, 2021 USD ($)
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards, no expiration	$ 10.9
Operating loss carryforwards, subject to expiration	0.9
Change in valuation	4.5
Taxable REIT Subsidiaries
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	11.8
Capital losses	$ 22.0

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Net Interest Income - Components of Interest Income and Interest Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Interest income	$ 52,323	$ 45,358	$ 154,548	$ 303,941
Derivatives	0	0	0	868
Interest expense	21,292	19,829	61,702	202,807
Total net interest income	31,031	25,529	92,846	101,134
Convertible Notes
Interest expense	2,810	2,759	8,382	8,234
Unsecured Debt
Senior unsecured notes	1,598	0	2,734	0
Subordinated debentures
Subordinated debentures	458	483	1,374	1,714
Residential loans
Interest income	20,480	16,006	60,295	55,157
Consolidated SLST | VIE, Primary Beneficiary
Interest income	10,245	10,896	31,042	34,542
Interest expense	7,116	7,562	21,371	24,255
Residential loans held in securitization trusts
Interest income	11,008	3,802	28,909	4,725
Total residential loans
Interest income	41,733	30,704	120,246	94,424
Preferred equity and mezzanine loan investments
Interest income	3,449	5,300	11,980	15,875
Consolidated K-Series | VIE, Primary Beneficiary
Interest income	0	0	0	151,841
Interest expense	0	0	0	129,762
Total multi-family loans
Interest income	3,449	5,300	11,980	167,716
Investment securities available for sale, at fair value
Investment securities available for sale	7,129	9,282	22,279	41,309
Other
Other	12	72	43	492
Mortgages payable on operating real estate	1,147	0	1,886	0
Repurchase agreements
Interest expense	3,110	5,341	10,884	33,453
Residential loan securitizations
Interest expense	5,053	2,160	14,788	2,527
Non-Agency RMBS Re-Securitization
Interest expense	0	1,524	283	1,994
Total collateralized debt obligations
Interest expense	$ 12,169	$ 11,246	$ 36,442	$ 158,538