Note 10 - Construction Joint Ventures - Unconsolidated Construction Joint Ventures Financial Information (Details) - USD ($) $ in Thousands		Mar. 31, 2023	Dec. 31, 2022
Cash, cash equivalents and marketable securities		$ 110,403	$ 130,635
Other current assets	[1]	689,945	681,221
Noncurrent assets		71,603	76,204
Current liabilities		236,063	244,411
Equity in construction joint ventures	[2]	167,567	169,819
Other Partners Interest in Partnerships [Member]
Unconsolidated construction joint venture assets		596,487	604,741
Unconsolidated construction joint venture assets		(596,487)	(604,741)
Unconsolidated construction joint venture liabilities	[3]	128,166	130,911
Reporting Entitys Interest in Joint Venture [Member]
Unconsolidated construction joint venture assets	[1],[4]	(275,464)	(283,319)
Unconsolidated construction joint venture assets	[1],[4]	275,464	283,319
Unconsolidated construction joint venture liabilities		$ 107,897	$ 113,500

[1] Included in this balance and in accrued expenses and other current liabilities on the condensed consolidated balance sheets as of March 31, 2023 and December 31, 2022 was $58.2 million and $64.7 million, respectively, related to performance guarantees (see Note 13).

[2] Included in this balance and in accrued expenses and other current liabilities on our condensed consolidated balance sheets was $14.5 million, and $14.0 million as of March 31, 2023 and December 31, 2022, 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, 2023 and December 31, 2022 was $104.3 million and $104.3 million, respectively, related to Granite’s share of estimated cost recovery of customer affirmative claims. In addition, this balance included $2.6 million and $2.7 million related to Granite’s share of estimated recovery of back charge claims as of March 31, 2023 and December 31, 2022, respectively.