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Note 10 - Construction Joint Ventures (Tables) | 9 Months Ended
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Sep. 30, 2021
Notes Tables |
Schedule of Unconsolidated Joint Ventures Assets and Liabilities [Table Text Block] |
(in thousands) |  | September 30, 2021 |  |  | December 31, 2020 |  |  | September 30, 2020 |
Assets |  |  |  |  |  |  |  |  |  |  |  |
Cash, cash equivalents and marketable securities |  | $ | 159,187 |  |  | $ | 181,889 |  |  | $ | 211,483 |
Other current assets (1) |  |  | 765,319 |  |  |  | 767,803 |  |  |  | 874,396 |
Noncurrent assets |  |  | 111,981 |  |  |  | 164,022 |  |  |  | 176,195 |
Less partners’ interest |  |  | 692,226 |  |  |  | 751,125 |  |  |  | 849,213 |
Granite’s interest (1),(2) |  |  | 344,261 |  |  |  | 362,589 |  |  |  | 412,861 |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |
Current liabilities |  |  | 396,154 |  |  |  | 482,562 |  |  |  | 514,739 |
Less partners’ interest and adjustments (3) |  |  | 227,372 |  |  |  | 226,308 |  |  |  | 211,749 |
Granite’s interest |  |  | 168,782 |  |  |  | 256,254 |  |  |  | 302,990 |
Equity in construction joint ventures (4) |  | $ | 175,479 |  |  | $ | 106,335 |  |  | $ | 109,871 |
Schedule of Unconsolidated Joint Ventures Revenue and Costs [Table Text Block] |
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
(in thousands) |  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Revenue |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total |  | $ | 194,486 |  |  | $ | 293,733 |  |  | $ | 690,086 |  |  | $ | 740,224 |
Less partners’ interest and adjustments (1) |  |  | 113,205 |  |  |  | 206,032 |  |  |  | 442,182 |  |  |  | 471,999 |
Granite’s interest |  |  | 81,281 |  |  |  | 87,701 |  |  |  | 247,904 |  |  |  | 268,225 |
Cost of revenue |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total |  |  | 203,786 |  |  |  | 299,776 |  |  |  | 701,350 |  |  |  | 884,991 |
Less partners’ interest and adjustments (1) |  |  | 123,461 |  |  |  | 203,932 |  |  |  | 461,236 |  |  |  | 578,235 |
Granite’s interest |  |  | 80,325 |  |  |  | 95,844 |  |  |  | 240,114 |  |  |  | 306,756 |
Granite’s interest in gross profit (loss) |  | $ | 956 |  |  | $ | (8,143 | ) |  | $ | 7,790 |  |  | $ | (38,531 | )

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