Note 11 - Construction Joint Ventures - Unconsolidated Construction Joint Ventures Financial Information (Details) - USD ($) $ in Thousands		Jun. 30, 2020	Dec. 31, 2019	Jun. 30, 2019
Cash, cash equivalents and marketable securities		$ 213,285	$ 179,049	$ 225,163
Other current assets	[1]	948,103	972,840	960,406
Noncurrent assets		185,866	207,584	214,238
Current liabilities		515,113	581,199	530,654
Equity in construction joint ventures	[2]	105,902	116,911	140,338
Other Partners Interest in Partnerships [Member]
Unconsolidated construction joint venture assets		908,274	904,565	929,332
Unconsolidated construction joint venture liabilities	[3]	182,035	243,202	200,517
Reporting Entitys Interest in Joint Venture [Member]
Unconsolidated construction joint venture assets	[1],[4]	438,980	454,908	470,475
Unconsolidated construction joint venture liabilities		$ 333,078	$ 337,997	$ 330,137

[1] Included in this balance and in accrued expenses and other current liabilities on the condensed consolidated balance sheets was $82.3 million, $81.9 million and $88.7 million related to performance guarantees as of June 30, 2020, December 31, 2019 and June 30, 2019, respectively.

[2] Included in this balance and in accrued expenses and other current liabilities on our condensed consolidated balance sheets was $79.2 million, $76.2 million and $58.7 million, respectively, related to deficits in unconsolidated construction joint ventures, which includes provisions for losses, as of June 30, 2020, December 31, 2019 and June 30, 2019.

[3] Partners’ interest and adjustments includes amounts to reconcile total net assets as reported by our partners to Granite’s interest adjusted to reflect our accounting policies and estimates primarily related to contract forecast differences.

[4] Included in this balance as of June 30, 2020, December 31, 2019 and June 30, 2019, was $80.9 million, $116.8 million and $89.4 million, respectively, related to Granite’s share of estimated cost recovery of customer affirmative claims. In addition, this balance included $18.0 million, $15.9 million and $12.8 million related to Granite’s share of estimated recovery of back charge claims as of June 30, 2020, December 31, 2019 and June 30, 2019, respectively.