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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS | 3 Months Ended
--- | ---
Mar. 31, 2021 USD ($) | Mar. 31, 2020 USD ($)
Cash flows from operating activities: |  |  |  |
Net earnings | $ 56,587,000 |  | $ 65,176,000 |
Adjustments to reconcile net earnings to net cash provided by operating activities: |  |  |  |
Depreciation and amortization | 49,980,000 |  | 49,188,000 |
Impairment losses – real estate, net of recoveries | 2,131,000 |  | 5,513,000 |
Loss on early extinguishment of debt | 21,328,000 |  | 16,679,000 |
Amortization of notes payable discount | 993,000 |  | 1,897,000 |
Amortization of debt costs | 1,840,000 |  | 1,816,000 |
Amortization of mortgages payable premium | (21,000) |  | (21,000) |
Amortization of interest rate hedges | 1,368,000 |  | 383,000 |
Settlement of forward starting swaps | 0 |  | (13,141,000) |
Gain on disposition of real estate | (4,281,000) |  | (12,770,000) |
Performance incentive plan expense | 4,318,000 |  | 3,078,000 |
Performance incentive plan payment | (721,000) |  | (846,000) |
Change in operating assets and liabilities, net of assets acquired and liabilities assumed: |  |  |  |
Increase in receivables | (273,000) |  | (1,340,000) |
Decrease (increase) in accrued rental income | 8,332,000 |  | (61,000) |
Decrease in other assets | 1,067,000 |  | 183,000 |
Increase in accrued interest payable | 25,267,000 |  | 23,448,000 |
Decrease in other liabilities | (6,438,000) |  | (11,299,000) |
Other | (307,000) |  | 201,000 |
Net cash provided by operating activities | 161,170,000 |  | 128,084,000 |
Cash flows from investing activities: |  |  |  |
Proceeds from the disposition of real estate | 18,067,000 |  | 33,384,000 |
Additions to real estate: |  |  |  |
Accounted for using the operating method | (106,490,000) |  | (64,197,000) |
Principal payments received on mortgages and notes receivable | 93,000 |  | 100,000 |
Other | (182,000) |  | 59,000 |
Net cash used in investing activities | (88,512,000) |  | (30,654,000) |
Cash flows from financing activities: |  |  |  |
Proceeds from line of credit payable | 0 |  | 311,000,000 |
Repayment of line of credit payable | 0 |  | (444,600,000) |
Repayment of mortgages payable | (156,000) |  | (147,000) |
Proceeds from notes payable | 441,594,000 |  | 692,646,000 |
Repayment of notes payable | (350,000,000) |  | (325,000,000) |
Payment for early extinguishment of debt | (21,328,000) |  | (16,679,000) |
Payment of debt issuance costs | (5,145,000) |  | (6,397,000) |
Proceeds from issuance of common stock | 1,882,000 |  | 696,000 |
Stock issuance costs | (177,000) |  | (45,000) |
Payment of common stock dividends | (90,848,000) |  | (88,148,000) |
Net cash provided by (used in) financing activities | (28,663,000) |  | 118,841,000 |
Net increase in cash, cash equivalents and restricted cash | 43,995,000 |  | 216,271,000 |
Cash, cash equivalents and restricted cash at beginning of period | 267,236,000 | [1] | 1,112,000 | [1]
Cash, cash equivalents and restricted cash at end of period | 311,231,000 | [1] | 217,383,000 | [1]
Supplemental disclosure of cash flow information: |  |  |  |
Interest paid, net of amount capitalized | 5,203,000 |  | 6,613,000 |
Supplemental disclosure of noncash investing and financing activities: |  |  |  |
Change in other comprehensive income (loss) | 1,368,000 |  | (7,234,000) |
Work in progress accrual balance | 4,739,000 |  | 24,579,000 |
Mortgage receivable issued in connection with real estate disposition | 0 |  | 3,000,000 |
Restricted cash and cash held in escrow | 0 |  | 0 |
Series F Preferred Stock |  |  |  |
Cash flows from financing activities: |  |  |  |
Payment of Series F preferred stock dividends | $ (4,485,000) |  | $ (4,485,000) |
[1] | Cash, cash equivalents and restricted cash is the aggregate of cash and cash equivalents and restricted cash and cash held in escrow from the Condensed Consolidated Balance Sheets. NNN had no restricted cash and cash held in escrow at March 31, 2021 and 2020.

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- Definition The fair value of notes issued in noncash investing and financing activities. + 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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