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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Cash Flows from Operating Activities: |  |  |
Net (loss) income | $ (288,243) | $ 172,896 | $ 104,795
Adjustments to reconcile net (loss) income to net cash provided by operating activities: |  |  |
Net amortization (accretion) | 14,744 | (55,629) | (29,338)
Realized losses (gains), net | 148,058 | (32,642) | 7,775
Realized loss on de-consolidation of Consolidated K-Series | 54,118 | 0 | 0
Unrealized losses (gains), net | 160,161 | (35,837) | (52,781)
Impairment of goodwill | 25,222 | 0 | 0
Gain on sale of real estate held for sale in Consolidated VIEs | 0 | (1,580) | (2,328)
Impairment of real estate under development in Consolidated VIEs | 1,754 | 1,872 | 2,764
Loss on extinguishment of collateralized debt obligations | 0 | 2,857 | 0
(Recovery of) provision for loan losses | 0 | 2,780 | 1,257
(Recovery of) provision for loan losses |  | 2,780 | 1,257
Income from preferred equity, mezzanine loan and equity investments | (48,667) | (47,840) | (37,922)
Distributions of income from preferred equity, mezzanine loan and equity investments | 24,430 | 24,848 | 29,358
Stock based compensation expense, net | 9,922 | 5,367 | 2,582
Changes in operating assets and liabilities: |  |  |
Other assets | 66,076 | (41,525) | (12,471)
Other liabilities | (56,820) | 45,094 | 10,486
Net cash provided by operating activities | 110,755 | 35,101 | 24,177
Cash Flows from Investing Activities: |  |  |
Proceeds from sales of investment securities | 1,820,194 | 97,951 | 26,899
Principal paydowns received on investment securities | 189,732 | 227,397 | 234,438
Purchases of investment securities | (586,640) | (753,734) | (393,663)
Principal repayments received on preferred equity and mezzanine loan investments | 28,179 | 42,249 | 56,718
Return of capital from equity investments | 17,432 | 13,617 | 14,973
Funding of preferred equity, mezzanine loan and equity investments | (80,500) | (163,883) | (112,452)
Net payments (made on) received from derivative instruments settled during the period | (28,233) | (36,337) | 747
Proceeds from sale of real estate owned | 5,751 | 4,873 | 5,120
Cash received from initial consolidation of VIEs | 327 | 0 | 0
Net proceeds from sale of real estate held for sale in Consolidated VIEs | 0 | 3,587 | 33,192
Capital expenditures on operating real estate and real estate held for sale in Consolidated VIEs | (206) | (128) | (457)
Purchases of other assets | (477) | (991) | (183)
Net cash provided by (used in) investing activities | 2,117,883 | (769,065) | (642,474)
Cash Flows from Financing Activities: |  |  |
Net (payments made on) proceeds received from repurchase agreements | (2,701,812) | 972,207 | 704,763
Proceeds from issuance of collateralized debt obligations, net | 649,357 | 0 | 0
Common stock issuance, net | 511,924 | 804,398 | 260,091
Preferred stock issuance, net | 0 | 215,073 | 0
Dividends paid on common stock | (105,492) | (163,364) | (97,911)
Dividends paid on preferred stock | (41,065) | (24,651) | (23,760)
Payments made on and extinguishment of collateralized debt obligations | (121,812) | (58,217) | (58,220)
Payments made on Consolidated K-Series CDOs | (147,376) | (992,075) | (137,803)
Payments made on Consolidated SLST CDOs | (89,484) | (2,918) | 0
Payments made on mortgages and notes payable in Consolidated VIEs | 0 | (4,022) | (27,067)
Proceeds received from mortgages and notes payable in Consolidated VIEs | 0 | 0 | 1,154
Net cash (used in) provided by financing activities | (2,045,760) | 746,431 | 621,247
Net Increase in Cash, Cash Equivalents and Restricted Cash | 182,878 | 12,467 | 2,950
Cash, Cash Equivalents and Restricted Cash - Beginning of Period | 121,612 | 109,145 | 106,195
Cash, Cash Equivalents and Restricted Cash - End of Period | 304,490 | 121,612 | 109,145
Supplemental Disclosure: |  |  |
Cash paid for interest | 292,059 | 622,720 | 430,121
Cash paid for income taxes | 1,521 | 21 | 1,711
Non-Cash Investment Activities: |  |  |
Transfer from residential loans to real estate owned | 8,509 | 6,105 | 7,998
Non-Cash Financing Activities: |  |  |
Mortgages and notes payable assumed by purchaser of real estate held for sale in Consolidated VIEs | 0 | 27,260 | 0
Cash, Cash Equivalents and Restricted Cash Reconciliation: |  |  |
Total cash, cash equivalents, and restricted cash | 121,612 | 109,145 | 109,145
Multi-Family Loans Held in Securitization Trust |  |  |
Non-Cash Investment Activities: |  |  |
De-consolidation of multi-family loans held and CDOs, Consolidated K-Series | 17,381,483 | 0 | 0
Consolidation of multi-family loans held in Consolidated K-Series | 0 | 6,599,974 | 2,294,544
Multi Family Collateralized Debt Obligations |  |  |
Non-Cash Investment Activities: |  |  |
De-consolidation of multi-family loans held and CDOs, Consolidated K-Series | 16,612,093 | 0 | 0
Consolidation of Consolidated K-Series CDOs | 0 | 6,253,739 | 2,182,330
Residential Mortgage Loans Held in Securitization |  |  |
Non-Cash Investment Activities: |  |  |
Consolidation of multi-family loans held in Consolidated K-Series | 0 | 1,333,060 | 0
Residential Collateralized Debt Obligations |  |  |
Non-Cash Investment Activities: |  |  |
Consolidation of Consolidated K-Series CDOs | 0 | 1,055,720 | 0
Consolidated SLST |  |  |
Cash Flows from Investing Activities: |  |  |
Purchases of residential loans | 0 | (277,339) | 0
Residential Mortgage Loans |  |  |
Cash Flows from Investing Activities: |  |  |
Purchases of residential loans | (569,157) | (829,519) | (688,750)
Principal repayments received on loans | 429,575 | 184,546 | 63,933
Proceeds from sales of residential loans | 96,892 | 71,969 | 91,405
Multi-Family Loans Held in Securitization Trust |  |  |
Cash Flows from Investing Activities: |  |  |
Principal repayments received on loans | 239,796 | 992,912 | 137,820
Consolidated K-Series |  |  |
Cash Flows from Investing Activities: |  |  |
Net proceeds from sale of real estate held for sale in Consolidated VIEs | 555,218 | 0 | 0
Investments Held in Multi-family Securitized Trusts |  |  |
Cash Flows from Investing Activities: |  |  |
Purchases of residential loans | $ 0 | $ (346,235) | $ (112,214)

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- Definition Amount of assets, classified as other, acquired in a noncash or part noncash acquisition. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4313-108586 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4332-108586 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4304-108586 + Details
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- Definition The total amount of [all] liabilities that an Entity assumes in acquiring a business or in consideration for an asset received in a noncash (or part noncash) acquisition. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4313-108586 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4304-108586 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4332-108586 + Details
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- Definition Amount of noncash consideration received for selling an asset or business through a noncash (or part noncash) transaction. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4304-108586 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4332-108586 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4313-108586 + Details
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- Definition The net cash outflow or inflow from derivative instruments during the period, which are classified as investing activities, excluding those designated as hedging instruments. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24072-122690 + Details
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- Definition Amount of cash outflow in the form of ordinary dividends to preferred shareholders of the parent entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585 + Details
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- Definition Amount of cash outflow to acquire investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3151-108585 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=121553693&loc=d3e26853-111562 + Details
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- Definition The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585 + Details
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- Definition The cash outflow associated with the purchase of all investments (debt, security, other) during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585 + Details
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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585 + Details
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