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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2022 | Jun. 30, 2021
Cash Flows from Operating Activities: |  |
Net (loss) income | $ (179,538) | $ 102,414
Adjustments to reconcile net (loss) income to net cash provided by operating activities: |  |
Net amortization | 12,833 | 17,747
Depreciation and amortization expense related to operating real estate | 87,981 | 4,277
Realized gains, net | (6,192) | (12,047)
Unrealized losses (gains), net | 151,353 | (50,020)
Gain on sale of real estate | (373) | 0
Loss on extinguishment of mortgages payable on real estate | 603 | 0
Income from preferred equity, mezzanine loan and equity investments | (22,374) | (24,564)
Distributions of income from preferred equity, mezzanine loan and equity investments | 27,098 | 30,676
Stock based compensation expense, net | 5,334 | 4,836
Changes in operating assets and liabilities | 1,474 | 472
Net cash provided by operating activities | 78,199 | 73,791
Cash Flows from Investing Activities: |  |
Proceeds from sales of investment securities | 24,374 | 115,398
Principal paydowns received on investment securities | 24,106 | 30,541
Purchases of investment securities | 0 | (24,926)
Principal repayments received on preferred equity and mezzanine loan investments | 12,950 | 35,500
Return of capital from equity investments | 30,250 | 50,275
Funding of preferred equity, mezzanine loan and equity investments | (19,191) | (320)
Funding of joint venture investments in Consolidated VIEs | (177,570) | (22,400)
Net proceeds from sale of real estate | 52,207 | 4,188
Cash received from initial consolidation of VIEs | 6,897 | 2,723
Purchases of and capital expenditures on real estate | (173,539) | (2,727)
Purchases of other assets | (83) | (44)
Net cash (used in) provided by investing activities | (1,111,434) | 42,922
Cash Flows from Financing Activities: |  |
Net proceeds received from (payments made on) repurchase agreements | 1,138,474 | (66,141)
Proceeds from issuance of senior unsecured notes, net | 0 | 96,267
Proceeds from issuance of collateralized debt obligations, net | 508,819 | 178,352
Repayment of convertible notes | (138,000) | 0
Repurchases of common stock | (7,541) | 0
Dividends paid on common stock and dividend equivalents | (76,249) | (75,735)
Dividends paid on preferred stock | (20,417) | (20,593)
Distributions to non-controlling interest in Consolidated VIEs | (2,386) | (13)
Payments made on and extinguishment of collateralized debt obligations | (86,429) | (64,542)
Payments made on Consolidated SLST CDOs | (71,654) | (68,314)
Net proceeds received from mortgages payable on real estate | 2,475 | 0
Net cash provided by (used in) financing activities | 1,247,092 | (20,719)
Net Increase in Cash, Cash Equivalents and Restricted Cash | 213,857 | 95,994
Cash, Cash Equivalents and Restricted Cash - Beginning of Period | 337,861 | 304,490
Cash, Cash Equivalents and Restricted Cash - End of Period | 551,718 | 400,484
Supplemental Disclosure: |  |
Cash paid for interest | 60,711 | 35,194
Cash paid for income taxes | 112 | 6
Non-Cash Investment Activities: |  |
Consolidation of real estate held in Consolidated VIEs | 664,437 | 73,513
Consolidation of mortgages payable on real estate held in Consolidated VIEs | 518,229 | 61,831
Transfer from residential loans to real estate owned | 1,855 | 2,674
Non-Cash Financing Activities: |  |
Dividends declared on stock to be paid in subsequent period | 49,026 |
Cash, Cash Equivalents and Restricted Cash Reconciliation: |  |
Cash and cash equivalents | 407,104 | 324,927
Restricted cash included in other assets | 144,614 | 75,557
Total cash, cash equivalents, and restricted cash | 551,718 | 400,484
Common Stock |  |
Non-Cash Financing Activities: |  |
Dividends declared on stock to be paid in subsequent period | 38,533 | 37,942
Preferred Stock |  |
Non-Cash Financing Activities: |  |
Dividends declared on stock to be paid in subsequent period | 10,493 | 10,296
Residential loans |  |
Cash Flows from Investing Activities: |  |
Principal repayments received on residential loans | 678,617 | 441,433
Proceeds from sales of residential loans | 0 | 17,944
Purchases of residential loans | $ (1,570,452) | $ (604,663)

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- Definition The cash inflow from the issuance of long-term debt that is not secured by collateral. Excludes proceeds from tax exempt unsecured debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3255-108585 + Details
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