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UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2020
Net cash provided by operating activities |  |  |
Net cash provided by operating activities | $ 124,956 | $ 122,426 |
Investing activities |  |  |
Additions to direct financing leases and leaseback assets | 0 | (65,030) |
Purchase of vessels, capital improvements and other additions | (4,144) | (40,278) |
Investment in newbuilding contracts and vessel deposits | (18,783) | 0 |
Proceeds from sales of vessels and termination of charters | (519) | 34,581 |
Net amounts paid to/(received from) associated companies | (588) | 15,941 |
Proceeds from sale of shares | 0 | 21,055 |
Other investments and long term assets, net | 308 |  |
Other investments and long term assets, net |  | (32,527) |
Net cash used in investing activities | (23,726) | (66,258) |
Financing activities |  |  |
Shares issued, net of issuance costs | 83,428 | 12,659 |
Principal settlements of cross currency swaps, net | 0 | (11,706) |
Payment for early settlements of interest rate swaps, net | 0 | (4,539) |
Repurchase of bonds | (68,146) | (64,795) |
Proceeds from issuance of short-term and long-term debt | 252,000 | 347,231 |
Repayments of short-term and long-term debt | (151,668) | (275,905) |
Debt fees paid | (3,573) | (4,199) |
Repayment of lease obligation liability | (24,238) | (32,925) |
Cash dividends paid | (35,713) | (64,887) |
Net cash used in financing activities | 52,090 | (99,066) |
Net change in restricted cash and cash and cash equivalents | 153,320 | (42,898) |
Cash, restricted cash and cash equivalents at start of the period | 224,398 | 203,016 | $ 203,016
Cash, restricted cash and cash equivalents at end of the period | 377,718 | 160,118 | 224,398
Cash, restricted cash and cash equivalents: |  |  |
Cash and cash equivalents | 371,852 | 152,124 | 215,445
Restricted cash | 5,866 | 7,994 | 8,953
Cash, restricted cash and cash equivalents at end of the period | $ 377,718 | $ 160,118 | $ 224,398

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