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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 income | $ 400,642 | $ 590,211
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation expense | 401,088 | 367,769
Amortization of deferred financing costs | 3,950 | 3,675
Amortization of debt discount | 1,387 | 1,320
Gain on extinguishment of debt, net | 0 | (122)
Amortization of stock-based compensation | 17,681 | 13,185
Equity in (income) loss of, and return on, unconsolidated entities and noncontrolling interests, net of eliminations | (1) | 2,989
Real estate casualty loss | 0 | 831
Abandonment of development pursuits | 738 | 685
Unrealized gain on terminated cash flow hedges | 0 | (2,654)
Cash flow hedge losses reclassified to earnings | 2,026 | 4,733
Gain on sale of real estate assets | (149,284) | (412,060)
Gain on sale of for-sale condominiums | (1,469) | (706)
Decrease in resident security deposits, prepaid expenses and other assets | (31,336) | (16,329)
(Decrease) increase in accrued expenses, other liabilities and accrued interest payable | (5,374) | 15,102
Net cash provided by operating activities | 640,048 | 568,629
Cash flows from investing activities: |  |
Development/redevelopment of real estate assets including land acquisitions and deferred development costs | (414,107) | (325,692)
Acquisition of real estate assets, including partnership interest | (165,117) | (118,572)
Capital expenditures - existing real estate assets | (64,356) | (57,157)
Capital expenditures - non-real estate assets | (5,665) | (2,584)
Decrease in payables for construction | (5,024) | (27,294)
Proceeds from sale of real estate, net of selling costs | 230,660 | 575,431
Proceeds from the sale of for-sale condominiums, net of selling costs | 75,182 | 48,655
Note receivable lending | (6,055) | (113)
Note receivable payments | 4,021 | 1,556
Distributions from unconsolidated entities | 2,000 | 22,331
Investments in unconsolidated entities | (8,047) | (27,356)
Net cash (used in) provided by investing activities | (356,508) | 89,205
Cash flows from financing activities: |  |
Issuance of common stock, net | 2,010 | 2,372
Dividends paid | (445,226) | (444,572)
Repayments of mortgage notes payable, including prepayment penalties | (6,427) | (34,734)
Repayment of unsecured notes | (100,000) | 0
Payment of deferred financing costs | (421) | 0
Receipt for termination of forward interest rate swaps | 0 | 6,962
Payment to noncontrolling interest | (29) | (33)
Payments related to tax withholding for share-based compensation | (16,379) | (13,228)
Distributions to DownREIT partnership unitholders | (24) | (24)
Distributions to joint venture and profit-sharing partners | (181) | (164)
Preferred interest obligation redemption and dividends | (460) | (840)
Net cash used in financing activities | (567,137) | (484,261)
Net (decrease) increase in cash, cash equivalents and cash in escrow | (283,597) | 173,573
Cash, cash equivalents and cash in escrow, beginning of period | 543,788 | 313,532
Cash, cash equivalents and cash in escrow, end of period | 260,191 | 487,105
Cash paid during the period for interest, net of amount capitalized | 106,443 | 101,703
Supplemental Cash Flow Information [Abstract] |  |
Cash and cash equivalents | 152,522 | 297,036
Cash in escrow | 107,669 | 190,069
Cash, cash equivalents and cash in escrow reported in the Condensed Consolidated Statements of Cash Flows | $ 260,191 | $ 487,105

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- Definition The cash outflow associated with the acquisition of a controlling interest in another entity or an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, joint venture or equity method investment). + 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 https://asc.fasb.org/extlink&oid=126954810&loc=d3e3213-108585 + Details
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- Definition The cash outflow to acquire an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date. Such amount may include accrued interest receivable in accordance with the terms of the note. The note also may contain provisions including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among myriad other features and characteristics. + 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 https://asc.fasb.org/extlink&oid=126954810&loc=d3e3213-108585 + Details
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- Definition The cash inflow associated with the proceeds from sale of notes receivable, as well as principal collections from a borrowing supported by a written promise to pay an obligation (note receivable). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3179-108585 + Details
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