Note 11 - Construction Joint Ventures - Unconsolidated Construction Joint Ventures Financial Information (Details) - USD ($) $ in Thousands		Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2020
Cash, cash equivalents and marketable securities		$ 157,869	$ 182,891	$ 161,574
Other current assets	[1]	663,187	661,342	768,127
Noncurrent assets		92,153	103,579	150,273
Current liabilities		263,213	307,674	470,667
Equity in construction joint ventures	[2]	176,282	161,275	130,923
Other Partners Interest in Partnerships [Member]
Unconsolidated construction joint venture assets		604,157	633,634	719,634
Unconsolidated construction joint venture liabilities	[3]	130,443	154,771	241,250
Reporting Entitys Interest in Joint Venture [Member]
Unconsolidated construction joint venture assets	[1],[4]	309,052	314,178	360,340
Unconsolidated construction joint venture liabilities		$ 132,770	$ 152,903	$ 229,417

[1] Included in this balance and in accrued expenses and other current liabilities on the condensed consolidated balance sheets as of March 31, 2022, December 31, 2021 and March 31, 2021 was $82.1 million, $82.1 million and $82.3 million, respectively, related to performance guarantees.

[2] Included in this balance and in accrued expenses and other current liabilities on our condensed consolidated balance sheets was $14.9 million, $28.6 million and $55.6 million as of March 31, 2022, December 31, 2021 and March 31, 2021, respectively, related to deficits in unconsolidated construction joint ventures, which includes provisions for losses.

[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 March 31, 2022, December 31, 2021 and March 31, 2021, was $107.5 million, $103.8 million and $95.4 million, respectively, related to Granite's share of estimated cost recovery of customer affirmative claims. In addition, this balance included $2.9 million, $10.7 million and $12.9 million related to Granite’s share of estimated recovery of back charge claims as of March 31, 2022, December 31, 2021 and March 31, 2021, respectively.