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Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2021 | Jun. 30, 2020
CASH FLOWS FROM OPERATING ACTIVITIES: |  |
Net earnings | $ 30,817 | $ 23,673
Adjustments to reconcile net earnings to net cash flow provided by operating activities: |  |
Depreciation and amortization expense | 17,085 | 14,422
Impairment charges | 1,532 | 1,538
Gain on dispositions of real estate | (7,478) | (1,056)
Deferred rent receivable | (1,514) | (1,628)
Amortization of above-market and below-market leases | (84) | (180)
Amortization of investment in direct financing leases | 2,343 | 2,021
Amortization of debt issuance costs | 518 | 521
Accretion expense | 863 | 922
Stock-based compensation | 1,937 | 1,600
Changes in assets and liabilities: |  |
Accounts receivable | 391 | (1,045)
Prepaid expenses and other assets | (822) | (915)
Environmental remediation obligations | (3,032) | (4,602)
Accounts payable and accrued liabilities | (2,552) | (2,482)
Net cash flow provided by operating activities | 40,004 | 32,789
CASH FLOWS FROM INVESTING ACTIVITIES: |  |
Property acquisitions | (63,304) | (68,671)
Capital expenditures | (214) | (23)
Addition to construction in progress | (151) | (96)
Proceeds from dispositions of real estate | 8,781 | 1,181
Deposits for property acquisitions | 2,966 | 940
Issuance of notes and mortgages receivable | (11,083) | (2,131)
Collection of notes and mortgages receivable | 911 | 3,835
Net cash flow used in investing activities | (62,094) | (64,965)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |
Borrowings under credit agreement | 30,000 | 65,000
Repayments under credit agreement | (37,500) | (10,000)
Payment of finance lease obligations | (347) | (312)
Security deposits (refunded) received | (165) | 51
Payments of cash dividends | (34,986) | (30,779)
Payments in settlement of restricted stock units | (728) | (244)
Net cash flow (used in) provided by financing activities | (14,148) | 35,632
Change in cash, cash equivalents and restricted cash | (36,238) | 3,456
Cash, cash equivalents and restricted cash at beginning of period | 57,054 | 23,664
Cash, cash equivalents and restricted cash at end of period | 20,816 | 27,120
Supplemental disclosures of cash flow information Cash paid during the period for: |  |
Interest | 11,753 | 12,754
Income taxes | 352 | 290
Environmental remediation obligations | 1,994 | 3,374
Non-cash transactions: |  |
Dividends declared but not yet paid | 17,785 | 15,768
Issuance of notes and mortgages receivable related to property dispositions |  | 792
ATM Program [Member] |  |
CASH FLOWS FROM FINANCING ACTIVITIES: |  |
Proceeds from issuance of common stock, net | $ 29,578 | $ 11,916

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