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CONSOLIDATED STATEMENTS OF CASH FLOWS - Unaudited - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2019 | Sep. 30, 2018
OPERATING ACTIVITIES |  |
Net Income | $ 72,058 | $ 70,053
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization | 77,027 | 67,463
Stock-based compensation expense | 4,177 | 4,033
Net gain on sales of real estate investments and non-operating real estate | (11,406) | (14,359)
Gain on casualties and involuntary conversion on real estate assets | (100) | (1,150)
Changes in operating assets and liabilities: |  |
Accrued income and other assets | 2,137 | 628
Accounts payable, accrued expenses and prepaid rent | 25,547 | 13,997
Other | 1,256 | 1,330
NET CASH PROVIDED BY OPERATING ACTIVITIES | 170,696 | 141,995
INVESTING ACTIVITIES |  |
Development and value-add properties | (191,872) | (118,489)
Purchases of real estate | (94,414) | (52,934)
Real estate improvements | (27,796) | (26,779)
Net proceeds from sales of real estate investments and non-operating real estate | 18,102 | 24,508
Proceeds from casualties and involuntary conversion on real estate assets | 187 | 1,483
Repayments on mortgage loans receivable | 30 | 1,977
Changes in accrued development costs | 3,946 | 1,896
Changes in other assets and other liabilities | (16,169) | (9,804)
NET CASH USED IN INVESTING ACTIVITIES | (307,986) | (178,142)
FINANCING ACTIVITIES |  |
Proceeds from unsecured bank credit facilities | 660,431 | 311,641
Repayments on unsecured bank credit facilities | (716,155) | (336,789)
Proceeds from Unsecured Debt | 190,000 | 60,000
Repayments on Unsecured Debt | (75,000) | (50,000)
Repayments on secured debt | (53,301) | (8,410)
Debt issuance costs | (252) | (1,857)
Distributions paid to stockholders (not including dividends accrued) | (80,110) | (45,449)
Proceeds from common stock offerings | 213,562 | 112,325
Proceeds from dividend reinvestment plan | 162 | 166
Other | (2,291) | (5,239)
NET CASH PROVIDED BY FINANCING ACTIVITIES | 137,046 | 36,388
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS | (244) | 241
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD | 374 | 16
CASH AND CASH EQUIVALENTS AT END OF PERIOD | 130 | 257
SUPPLEMENTAL CASH FLOW INFORMATION |  |
Cash paid for interest, net of amounts capitalized of $6,067 and $4,545 for 2019 and 2018, respectively | 23,229 | 23,112
Cash paid for operating lease liabilities | 962 | 0
NON-CASH OPERATING ACTIVITY |  |
Operating lease liabilities arising from obtaining right of use assets | $ 15,435 | $ 0

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- Definition The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured 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 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
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- Definition The cash outflow to repay long-term debt that is not secured by collateral. Excludes repayments of 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 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
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- Definition Amount of noncash expense for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
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- References No definition available. + Details
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