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CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Current assets: |  |
Cash and cash equivalents | $ 369,549 | $ 371,791
Restricted cash | 13,614 | 25,953
Trade and other receivables, net | 121,155 | 111,266
Due from affiliates | 121,959 | 132,951
Marine operating supplies | 29,141 | 29,505
Other current assets | 14,460 | 11,836
Total current assets | 669,878 | 683,302
Investments in, at equity, and advances to unconsolidated companies | 658 | 1,039
Properties and equipment, net | 1,041,054 | 1,089,857
Deferred drydocking and survey costs | 41,029 | 22,215
Other assets | 39,651 | 31,326
Total assets | 1,792,270 | 1,827,739
Current liabilities: |  |
Accounts payable | 24,170 | 31,939
Accrued costs and expenses | 56,675 | 61,784
Due to affiliates | 39,060 | 34,972
Current portion of long-term debt | 10,002 | 8,568
Other current liabilities | 24,442 | 21,092
Total current liabilities | 154,349 | 158,355
Long-term debt | 424,911 | 430,436
Other liabilities | 97,471 | 94,025
Contingencies (Note 9) |  |
Equity: |  |
Common stock of $0.001 par value, 125,000,000 shares authorized, 37,845,158 and 36,978,280 shares issued and outstanding at June 30, 2019 and December 31, 2018, respectively | 38 | 37
Additional paid-in capital | 1,359,842 | 1,352,388
Accumulated deficit | (248,473) | (210,783)
Accumulated other comprehensive income | 2,194 | 2,194
Total stockholders’ equity | 1,113,601 | 1,143,836
Noncontrolling interests | 1,938 | 1,087
Total equity | 1,115,539 | 1,144,923
Total liabilities and equity | $ 1,792,270 | $ 1,827,739

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