Note 11 - Construction Joint Ventures - Unconsolidated Construction Joint Ventures Financial Information (Details) - USD ($) $ in Thousands		Sep. 30, 2019	Dec. 31, 2018	Sep. 30, 2018
Cash, cash equivalents and marketable securities		$ 217,279	$ 229,562	$ 242,028
Other current assets	[1]	863,182	814,979	806,104
Noncurrent assets		209,865	204,090	204,201
Current liabilities		542,278	525,036	511,639
Equity in construction joint ventures	[2]	144,714	271,162	262,421
Other Partners Interest in Partnerships [Member]
Unconsolidated construction joint venture assets		858,235	822,215	810,111
Unconsolidated construction joint venture liabilities	[3]	254,901	369,782	331,838
Reporting Entitys Interest in Joint Venture [Member]
Unconsolidated construction joint venture assets	[1],[4]	432,091	426,416	442,222
Unconsolidated construction joint venture liabilities		$ 287,377	$ 155,254	$ 179,801

[1] Included in this balance and in accrued expenses and other current liabilities on our condensed consolidated balance sheets was $81.9 million, $88.2 million and $88.6 million related to performance guarantees as of September 30, 2019, December 31, 2018 and September 30, 2018.

[2] Included in this balance and in accrued expenses and other current liabilities on the condensed consolidated balance sheets were amounts related to deficits in construction joint ventures, which includes provisions for losses, that were $60.6 million, $11.5 million and $ 11.6 million as of September 30, 2019, December 31, 2018 and September 30, 2018, respectively.

[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 September 30, 2019, December 31, 2018 and September 30, 2018 was $95.9 million, $78.1 million and $67.1 million, respectively, related to Granite's share of estimated cost recovery of customer affirmative claims. In addition, this balance included $11.5 million, $15.6 million and $12.5 million related to Granite's share of estimated recovery of back charge claims as of September 30, 2019, December 31, 2018 and September 30, 2018, respectively.