Granite Construction (GVA) 10-Q 28 Jul 22 2022 Q2 Quarterly report Financial data

Document And Entity Information

Document And Entity Information - shares	6 Months Ended
	Jun. 30, 2022	Jul. 22, 2022
Document Information [Line Items]
Entity Central Index Key	0000861459
Entity Registrant Name	GRANITE CONSTRUCTION INC
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2022
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2022
Document Transition Report	false
Entity File Number	1-12911
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	77-0239383
Entity Address, Address Line One	585 W. Beach Street
Entity Address, City or Town	Watsonville
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	95076
City Area Code	831
Local Phone Number	724-1011
Title of 12(b) Security	Common stock, $0.01 par value
Trading Symbol	GVA
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		44,084,843

Condensed Consolidated Balance

Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021
Current assets
Cash and cash equivalents	$ 175,022	$ 395,647	$ 377,620
Short-term marketable securities	45,000	0	0
Receivables, net	527,277	464,588	543,914
Contract assets	190,187	145,437	154,542
Inventories	78,634	61,965	66,584
Equity in construction joint ventures	187,028	189,911	195,430
Other current assets	167,349	177,210	44,076
Current assets held-for-sale	222,779	392,641	184,267
Total current assets	1,593,276	1,827,399	1,566,433
Property and equipment, net	464,593	433,504	432,896
Long-term marketable securities	21,675	15,600	10,850
Investments in affiliates	23,203	23,368	25,317
Goodwill	53,715	53,715	53,715
Right of use assets	45,404	49,312	47,181
Deferred income taxes, net	25,458	24,141	42,230
Other noncurrent assets	64,008	67,888	70,148
Noncurrent assets held-for-sale		0	230,128
Total assets	2,291,332	2,494,927	2,478,898
Current liabilities
Current maturities of long-term debt	1,429	8,727	8,709
Accounts payable	331,728	324,313	334,158
Contract liabilities	179,322	200,041	166,415
Accrued expenses and other current liabilities	435,061	452,829	459,517
Current liabilities held-for-sale	46,706	83,408	79,487
Total current liabilities	994,246	1,069,318	1,048,286
Long-term debt	286,801	331,191	331,222
Long-term lease liabilities	31,182	32,928	33,577
Other long-term liabilities	61,868	65,927	66,995
Long-term liabilities held-for-sale		0	10,576
Commitments and contingencies (see Note 18)
Equity
Preferred stock, $0.01 par value, authorized 3,000,000 shares, none outstanding	0	0	0
Common stock, $0.01 par value, authorized 150,000,000 shares; issued and outstanding: 44,078,469 shares as of June 30, 2022, 45,840,260 shares as of December 31, 2021 and 45,818,719 shares as of June 30, 2021	441	458	458
Additional paid-in capital	467,159	559,752	556,615
Accumulated other comprehensive income (loss)	2,388	(3,359)	(2,750)
Retained earnings	413,931	410,831	401,061
Total Granite Construction Incorporated shareholders’ equity	883,919	967,682	955,384
Non-controlling interests	33,316	27,881	32,858
Total equity	917,235	995,563	988,242
Total liabilities and equity	$ 2,291,332	$ 2,494,927	$ 2,478,898

Condensed Consolidated Balanc_2

Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021
Cash and cash equivalents	$ 175,022	$ 395,647	$ 377,620
Receivables, net	527,277	464,588	543,914
Contract assets	190,187	145,437	154,542
Other current assets	167,349	177,210	44,076
Property and equipment, net	464,593	433,504	432,896
Accounts payable	331,728	324,313	334,158
Contract liabilities	179,322	200,041	166,415
Accrued expenses and other current liabilities	$ 435,061	$ 452,829	$ 459,517
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	3,000,000	3,000,000	3,000,000
Preferred stock, shares outstanding (in shares)	0	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	150,000,000	150,000,000	150,000,000
Common stock, shares issued (in shares)	44,078,469	45,840,260	45,818,719
Common stock, shares outstanding (in shares)	44,078,469	45,840,260	45,818,719
Consolidated Construction Corporate Joint Venture [Member]
Cash and cash equivalents	$ 77,943	$ 92,783	$ 107,854
Receivables, net	69,347	49,534	49,408
Contract assets	70,453	50,054	41,815
Other current assets	6,056	8,091	12,142
Property and equipment, net	13,596	14,920	20,206
Accounts payable	63,541	55,012	62,117
Contract liabilities	61,868	69,328	66,193
Accrued expenses and other current liabilities	$ 8,025	$ 5,514	$ 5,186

Condensed Consolidated Statemen

Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenue
Total revenue	$ 768,286	$ 834,671	$ 1,315,872	$ 1,401,003
Cost of revenue
Total cost of revenue	689,806	736,439	1,187,617	1,249,059
Gross profit	78,480	98,232	128,255	151,944
Selling, general and administrative expenses	53,162	58,628	111,663	119,789
Other costs (see Note 7)	20,177	5,868	28,391	80,177
Gain on sales of property and equipment, net	(385)	(1,052)	(717)	(3,297)
Operating income (loss)	5,526	34,788	(11,082)	(44,725)
Other (income) expense
Interest income	(782)	(162)	(1,405)	(395)
Interest expense	3,896	5,502	7,471	10,874
Equity in income of affiliates, net	(541)	(2,607)	(235)	(2,875)
Other (income) expense, net	3,357	(1,800)	4,739	(2,026)
Total other expense, net	5,930	933	10,570	5,578
Income (loss) from continuing operations before income taxes	(404)	33,855	(21,652)	(50,303)
Provision for (benefit from) income taxes on continuing operations	2,549	7,710	(2,782)	(14,047)
Net income (loss) from continuing operations	(2,953)	26,145	(18,870)	(36,256)
Net income from discontinued operations	19,521	29,602	25,617	26,680
Net income (loss)	16,568	55,747	6,747	(9,576)
Amount attributable to non-controlling interests from continuing operations	583	(1,286)	(2,535)	(2,158)
Net income (loss) attributable to Granite Construction Incorporated from continuing operations	(2,370)	24,859	(21,405)	(38,414)
Net income attributable to Granite Construction Incorporated from discontinued operations	19,521	29,602	25,617	26,680
Net income (loss) attributable to Granite Construction Incorporated	$ 17,151	$ 54,461	$ 4,212	$ (11,734)
Basic continuing operations per share (in dollars per share)	$ (0.05)	$ 0.54	$ (0.47)	$ (0.84)
Basic discontinued operations per share (in dollars per share)	0.44	0.65	0.57	0.58
Basic earnings (loss) per share (in dollars per share)	0.39	1.19	0.10	(0.26)
Diluted continuing operations per share (in dollars per share)	(0.05)	0.52	(0.47)	(0.84)
Diluted discontinued operations per share (in dollars per share)	0.44	0.62	0.57	0.58
Diluted earnings (loss) per share (in dollars per share)	$ 0.39	$ 1.14	$ 0.10	$ (0.26)
Basic (in shares)	44,534	45,798	45,128	45,748
Diluted (in shares)	44,534	47,798	45,128	45,748
Construction [Member]
Revenue
Total revenue	$ 632,260	$ 713,425	$ 1,107,195	$ 1,220,396
Cost of revenue
Total cost of revenue	571,094	637,158	997,837	1,091,360
Materials [Member]
Revenue
Total revenue	136,026	121,246	208,677	180,607
Cost of revenue
Total cost of revenue	$ 118,712	$ 99,281	$ 189,780	$ 157,699

Condensed Consolidated Statem_2

Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Net income (loss)	$ 16,568	$ 55,747	$ 6,747	$ (9,576)
Other comprehensive income (loss), net of tax:
Net unrealized gain (loss) on cash flow hedges	(377)	293	2,059	1,227
Less: reclassification for net gains included in interest expense	1,282	568	3,042	1,178
Net change	905	861	5,101	2,405
Foreign currency translation adjustments, net	(90)	103	646	(122)
Other comprehensive income	815	964	5,747	2,283
Comprehensive income (loss)	17,383	56,711	12,494	(7,293)
Non-controlling interests in comprehensive (income) loss	583	(1,286)	(2,535)	(2,158)
Comprehensive income (loss) attributable to Granite Construction Incorporated	$ 17,966	$ 55,425	$ 9,959	$ (9,451)

Condensed Consolidated Statem_3

Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands		Cumulative Effect, Period of Adoption, Adjustment [Member] Common Stock [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Additional Paid-in Capital [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] AOCI Attributable to Parent [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Retained Earnings [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Parent [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Noncontrolling Interest [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]	Cumulative Effect, Period of Adoption, Adjusted Balance [Member] Common Stock [Member]	Cumulative Effect, Period of Adoption, Adjusted Balance [Member] Additional Paid-in Capital [Member]	Cumulative Effect, Period of Adoption, Adjusted Balance [Member] AOCI Attributable to Parent [Member]	Cumulative Effect, Period of Adoption, Adjusted Balance [Member] Retained Earnings [Member]	Cumulative Effect, Period of Adoption, Adjusted Balance [Member] Parent [Member]	Cumulative Effect, Period of Adoption, Adjusted Balance [Member] Noncontrolling Interest [Member]	Cumulative Effect, Period of Adoption, Adjusted Balance [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Parent [Member]	Noncontrolling Interest [Member]	Total
Balances (in shares) at Dec. 31, 2020																45,668,541,000
Balances at Dec. 31, 2020																$ 457	$ 555,407	$ (5,035)	$ 424,835	$ 975,664	$ 15,946	$ 991,610
Net income (loss)																0	0	0	(11,734)	(11,734)	2,158	(9,576)
Other comprehensive income																$ 0	0	2,283	0	2,283	0	2,283
Repurchases of common stock (1) (in shares)	[1]															62,600
Repurchases of common stock (1)	[1]															$ (1)	(2,497)	0	0	(2,498)	0	(2,498)
Restricted stock units (“RSUs”) vested (in shares)																213,567
Restricted stock units (“RSUs”) vested																$ 2	(2)	0	0	0	0	0
Dividends on common stock ($0.13 per share)																0	0	0	(11,909)	(11,909)	0	(11,909)
Transactions with non-controlling interests																$ 0	0	0	0	0	14,754	14,754
Stock-based compensation expense and other (in shares)																789
Stock-based compensation expense and other																$ 0	3,707	2	(131)	3,578	0	$ 3,578
Repurchases of common stock (1) (in shares)	[1]															(62,600)
Stock-based compensation expense and other (in shares)																(789)
Balances (in shares) at Jun. 30, 2021																45,818,719						45,818,719
Balances at Jun. 30, 2021																$ 458	556,615	(2,750)	401,061	955,384	32,858	$ 988,242
Balances (in shares) at Mar. 31, 2021																45,791,712
Balances at Mar. 31, 2021																$ 458	554,186	(3,714)	352,610	903,540	27,655	931,195
Net income (loss)																0	0	0	54,461	54,461	1,286	55,747
Other comprehensive income																$ 0	0	964	0	964	0	964
Repurchases of common stock (1) (in shares)	[1]															(4,982)
Repurchases of common stock (1)	[1]															$ 0	(199)	0	0	(199)	0	(199)
Restricted stock units (“RSUs”) vested (in shares)																31,992
Restricted stock units (“RSUs”) vested																$ 0	0	0	0	0	0	0
Dividends on common stock ($0.13 per share)																0	0	0	(5,956)	(5,956)	0	(5,956)
Transactions with non-controlling interests																$ 0	0	0	0	0	3,917	3,917
Stock-based compensation expense and other (in shares)																(3)
Stock-based compensation expense and other																$ 0	2,628	0	(54)	2,574	0	$ 2,574
Repurchases of common stock (1) (in shares)	[1]															4,982
Stock-based compensation expense and other (in shares)																3
Balances (in shares) at Jun. 30, 2021																45,818,719						45,818,719
Balances at Jun. 30, 2021																$ 458	556,615	(2,750)	401,061	955,384	32,858	$ 988,242
Balances (in shares) at Dec. 31, 2021									45,840,260							45,840,260						45,840,260
Balances at Dec. 31, 2021		$ 0	$ (26,961)	$ 0	$ 10,543	$ (16,418)	$ 0	$ (16,418)	$ 458	$ 532,791	$ (3,359)	$ 421,374	$ 951,264	$ 27,881	$ 979,145	$ 458	559,752	(3,359)	410,831	967,682	27,881	$ 995,563
Net income (loss)																0	0	0	4,212	4,212	2,535	6,747
Other comprehensive income																$ 0	0	5,747	0	5,747	0	5,747
Repurchases of common stock (1) (in shares)	[1]															1,991,586
Repurchases of common stock (1)	[1]															$ (19)	(70,357)	0	0	(70,376)	0	(70,376)
Restricted stock units (“RSUs”) vested (in shares)																220,766
Restricted stock units (“RSUs”) vested																$ 2	(2)	0	0	0	0	0
Dividends on common stock ($0.13 per share)																0		0	(11,731)	(11,587)	0	(11,587)
Dividends on common stock ($0.13 per share)																	144
Transactions with non-controlling interests																$ 0	0	0	0	0	2,900	2,900
Stock-based compensation expense and other (in shares)																(9,029)
Stock-based compensation expense and other																$ 0	4,583	0	76	4,659	0	$ 4,659
Repurchases of common stock (1) (in shares)	[1]															(1,991,586)
Stock-based compensation expense and other (in shares)																9,029
Balances (in shares) at Jun. 30, 2022																44,078,469						44,078,469
Balances at Jun. 30, 2022																$ 441	467,159	2,388	413,931	883,919	33,316	$ 917,235
Balances (in shares) at Mar. 31, 2022																45,364,137
Balances at Mar. 31, 2022																$ 454	515,262	1,573	402,550	919,839	37,324	957,163
Net income (loss)																0	0	0	17,151	17,151	(583)	16,568
Other comprehensive income																$ 0	0	815	0	815	0	815
Repurchases of common stock (1) (in shares)	[1]															(1,325,706)
Repurchases of common stock (1)	[1]															$ (13)	(50,151)	0	0	(50,164)	0	(50,164)
Restricted stock units (“RSUs”) vested (in shares)																30,596
Restricted stock units (“RSUs”) vested																$ 0	0	0	0	0	0	0
Dividends on common stock ($0.13 per share)																0		0	(5,846)	(5,771)	0	(5,771)
Dividends on common stock ($0.13 per share)																	75
Transactions with non-controlling interests																$ 0	0	0	0	0	(3,425)	(3,425)
Stock-based compensation expense and other (in shares)																9,442
Stock-based compensation expense and other																$ 0	1,973	0	76	2,049	0	$ 2,049
Repurchases of common stock (1) (in shares)	[1]															1,325,706
Stock-based compensation expense and other (in shares)																(9,442)
Balances (in shares) at Jun. 30, 2022																44,078,469						44,078,469
Balances at Jun. 30, 2022																$ 441	$ 467,159	$ 2,388	$ 413,931	$ 883,919	$ 33,316	$ 917,235
[1]This amount represents employee tax withholding for RSUs vested under our 2012 and 2021 Equity Incentive Plans and stock repurchased in 2022 and 2021, including shares purchased in connection with the accelerated share repurchase in 2022 (see Note 1) under the Board-approved repurchase plan.

Condensed Consolidated Statem_4

Condensed Consolidated Statements of Shareholders' Equity (Unaudited) (Parentheticals) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Dividends (in dollars per share)	$ 0.13	$ 0.13	$ 0.13	$ 0.13

Condensed Consolidated Statem_5

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Operating activities
Net income (loss)	$ 6,747	$ (9,576)
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Depreciation, depletion and amortization	32,328	52,853
Amortization related to long-term debt (see Note 15)	1,423	4,666
Gain on sale of discontinued operations (see Note 3)	(6,234)	0
Gain on sales of property and equipment, net	(9,513)	(34,190)
Deferred income taxes	2,545	0
Stock-based compensation	4,376	3,642
Equity in net (income) loss from unconsolidated joint ventures	17,228	(6,972)
Net loss from affiliates	(6,165)	(8,039)
Other non-cash adjustments	(84)	1,483
Changes in assets and liabilities:
Deposit/insurance receivable for legal settlement (see Note 18)	0	(63,000)
Receivables	(69,114)	(48,584)
Contract assets, net	(71,282)	(28,111)
Inventories	(18,618)	(6,062)
Contributions to unconsolidated construction joint ventures	(33,563)	(47,580)
Distributions from unconsolidated construction joint ventures and affiliates	6,522	7,029
Other assets, net	15,627	(7,197)
Accounts payable	17,983	26,056
Accrual for expected resolution of SEC investigation (see Note 18)	12,000	0
Accrual for legal settlement (see Note 18)	0	129,000
Accrued expenses and other liabilities, net	(5,484)	3,578
Net cash used in operating activities	(103,278)	(31,004)
Investing activities
Purchases of marketable securities	(49,968)	(5,000)
Purchases of property and equipment	(73,216)	(46,437)
Proceeds from sales of property and equipment	15,289	48,517
Proceeds from the sale of discontinued operations (see Note 3)	142,571	0
Issuance of notes receivable	(4,560)	0
Collection of notes receivable	201	4,581
Net cash provided by investing activities	30,317	1,661
Financing activities
Proceeds from long-term debt	50,000	0
Debt principal repayments	(124,660)	(4,677)
Cash dividends paid	(11,857)	(11,890)
Repurchases of common stock (See Note 1)	(70,374)	(2,497)
Contributions from non-controlling partners	6,327	11,350
Distributions to non-controlling partners	(6,700)	(5,836)
Other financing activities, net	209	(62)
Net cash used in financing activities	(157,055)	(13,612)
Net decrease in cash, cash equivalents and restricted cash	(230,016)	(42,955)
Cash, cash equivalents and $1,512 in restricted cash at beginning of each period	413,655	437,648
Cash, cash equivalents and $0 and $1,512 in restricted cash at end of each period	183,639	394,693
Less: Cash, cash equivalents and $0 and $1,512 in restricted cash included in current assets held-for-sale at end of each period	8,617	17,073
Cash and cash equivalents of continuing operations at end of period	175,022	377,620
Supplementary Information
Right of use assets obtained in exchange for lease obligations	8,167	7,997
Cash paid for operating lease liabilities	11,667	10,956
Cash paid during the period for:
Interest	6,786	8,078
Income taxes	1,553	1,817
Non-cash investing and financing activities:
RSUs issued, net of forfeitures	7,688	7,554
Dividends declared but not paid	5,730	5,956
Contributions from non-controlling partners	3,274	9,240
Accrued equipment purchases	$ (5,149)	$ 3,024

Condensed Consolidated Statem_6

Condensed Consolidated Statements of Cash Flows (Unaudited) (Parentheticals) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021
Restricted cash	$ 1,512	$ 1,512	$ 1,512
Restricted cash	0	1,512	1,512
Restricted cash	$ 0	$ 1,512	$ 1,512

Note 1 - Basis of Presentation

Note 1 - Basis of Presentation	6 Months Ended
	Jun. 30, 2022
Notes to Financial Statements
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]	1.   Basis of Presentation The condensed consolidated financial statements included herein have been prepared by Granite Construction Incorporated (“we,” “us,” “our,” the “Company” or “Granite”) pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”), are unaudited and should be read in conjunction with our Annual Report on Form 10 December 31, 2021 June 30, 2022 2021 December 31, 2021 not We prepared the accompanying condensed consolidated financial statements on the same basis as our annual consolidated financial statements, except for the adoptions of Accounting Standards Update (“ASU”) 2020 06, Debt - Debt with Conversion and Other Options (Subtopic 470 20 s Own Equity (Subtopic 815 40 s Own Equity 2020 06” January 1, 2022, 2020 04, Reference Rate Reform (Topic 848 2020 04” 2021 01, Reference Rate Reform (Topic 848 2021 01” June 30, 2022, 2. Out-of-period Adjustments: second 2022, three June 30, 2022 no six June 30, 2022. not Stock Purchase Programs: May 2, 2022, May 2, 2022, third 2022. As discussed in more detail in Note 3, fourth 2021 Our operations are typically affected more by weather conditions during the first fourth may three six June 30, 2022 not

Note 2 - Recently Issued and Ad

Note 2 - Recently Issued and Adopted Accounting Pronouncements	6 Months Ended
	Jun. 30, 2022
Notes to Financial Statements
Accounting Standards Update and Change in Accounting Principle [Text Block]	2.   Recently Issued and Adopted Accounting Pronouncements In March 2020, 2020 04, January 2021, 2021 01, 2020 04. June 30, 2022, 15 not In August 2020, 2020 06, 2020 06 2024 “2.75% 15 2020 06 2020 06 January 1, 2022, not As of June 30, 2022, 2.75% 2.75% November 2019 2.75% November 1, 2024, 2.75% May 1, 2024 May 1, 2024, 2.75% October 30, 2024. The conversion rate applicable to the 2.75% $1,000 2.75% 2.75% 2.75% On or after November 7, 2022, 2.75% may 2.75% not may 2.75% In connection with the adoption of ASU 2020 06, January 1, 2022: Computation of Earnings per Share: 2012 2021 2.75%

Note 3 - Discontinued Operation

Note 3 - Discontinued Operations and Held-for-sale	6 Months Ended
	Jun. 30, 2022
Notes to Financial Statements
Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]	3. During the fourth 2021, twelve 205 20, Presentation of financial statements - Discontinued operations not On March 16, 2022, 1000097155 three March 31, 2022. June 30, 2022 2022. The following table presents summarized balance sheet information of assets and liabilities held-for-sale: (in thousands) June 30, 2022 December 31, 2021 June 30, 2021 Cash and cash equivalents $ 8,617 $ 16,496 $ 15,561 Receivables, net 62,626 102,208 103,024 Contract assets 19,148 41,340 39,941 Inventories 12,490 19,625 21,840 Other current assets 1,142 1,781 3,901 Property and equipment, net 38,767 70,912 84,247 Investments in affiliates 53,240 48,675 50,309 Goodwill 19,985 63,063 63,124 Right of use assets 6,032 12,365 12,038 Other noncurrent assets 732 16,176 20,410 Total assets classified as held-for-sale $ 222,779 $ 392,641 $ 414,395 Accounts payable $ 18,429 $ 37,997 $ 44,850 Contract liabilities 3,466 7,129 8,435 Other current liabilities 21,737 27,764 26,202 Long-term lease liabilities 3,060 8,352 8,239 Other long-term liabilities 14 2,166 2,337 Total liabilities classified as held-for-sale $ 46,706 $ 83,408 $ 90,063 The following table represents summarized statements of operations information of discontinued operations (in thousands): For the three months ended June 30, For the six months ended June 30, 2022 2021 2022 2021 Revenue $ 85,554 $ 129,501 $ 188,516 $ 233,082 Cost of revenue 70,386 110,787 159,113 204,762 Gross profit 15,168 18,714 29,403 28,320 Selling, general and administrative expenses 6,960 15,440 18,580 30,008 Other costs (3,565 ) 85 (2,223 ) 1,611 Gain on sale of discontinued operations — — (6,234 ) — Gain on sales of property and equipment, net (1), (2) (8,530 ) (30,583 ) (8,796 ) (30,893 ) Operating income 20,303 33,772 28,076 27,594 Other income, net (4,426 ) (3,739 ) (6,034 ) (6,297 ) Income from discontinued operations before income taxes 24,729 37,511 34,110 33,891 Provision for income taxes 5,208 7,909 8,493 7,211 Net income from discontinued operations $ 19,521 $ 29,602 $ 25,617 $ 26,680 ( 1 June 2021, two ( 2 June 2022, As required per ASC Topic 205 20, Presentation of financial statements - Discontinued operations, Six months ended June 30, 2022 2021 Depreciation, depletion and amortization (1) $ — $ 20,239 Gain on sale of discontinued operations $ 6,234 $ — Gain on sale of property and equipment $ 8,796 $ 30,893 Purchases of property and equipment $ 5,597 $ 7,775 Proceeds from sales of property and equipment $ 12,697 $ 44,287 Proceeds from sale of discontinued operations $ 142,571 $ — ( 1 360, December 31, 2021.

Note 4 - Revisions in Estimates

Note 4 - Revisions in Estimates	6 Months Ended
	Jun. 30, 2022
Notes to Financial Statements
Revisions in Estimates [Text Block]	4. Revisions in Estimates Our profit recognition related to construction contracts is based on estimates of transaction price and costs to complete each project. These estimates can vary significantly in the normal course of business as projects progress, circumstances develop and evolve, and uncertainties are resolved. Changes in estimates of transaction price and costs to complete may may may When we experience significant revisions in our estimates, we undergo a process that includes reviewing the nature of the changes to ensure that there are no no not In our review of these changes for the three six June 30, 2022 2021 not There were no Three Months Ended June 30, Six Months Ended June 30, 2022 2021 2022 2021 Number of projects with downward estimate changes 4 — 5 2 Range of reduction in gross profit from each project, net $ 5.7 - 7.6 $ — $ 5.6 - 10.6 $ 5.3 - 6.1 Decrease to project profitability $ 25.2 $ — $ 35.6 $ 11.4 Decrease to net income/increase to net loss from continuing operations $ 19.3 $ — $ 27.3 $ 8.9 Amounts attributable to non-controlling interests $ 3.0 $ — $ 3.0 $ 2.6 Decrease to net income/increase to net loss attributable to Granite Construction Incorporated from continuing operations $ 16.3 $ — $ 24.2 $ 6.3 Decrease to net income/increase to net loss per diluted share attributable to common shareholders from continuing operations $ 0.37 $ — $ 0.54 $ 0.14 The decreases during the three six June 30, 2022 six June 30, 2021

Note 5 - Disaggregation of Reve

Note 5 - Disaggregation of Revenue	6 Months Ended
	Jun. 30, 2022
Notes to Financial Statements
Disaggregation Of Revenue [Text Block]	5.   Disaggregation of Revenue We disaggregate our revenue based on our reportable segments (see Note 19 Three Months Ended June 30, 2022 Construction Materials Total California $ 199,357 $ 71,572 $ 270,929 Central 207,406 13,901 221,307 Mountain 225,497 50,553 276,050 Total $ 632,260 $ 136,026 $ 768,286 2021 Construction Materials Total California $ 228,631 $ 70,490 $ 299,121 Central 287,994 10,720 298,714 Mountain 196,800 40,036 236,836 Total $ 713,425 $ 121,246 $ 834,671 Six months ended June 30, 2022 Construction Materials Total California $ 343,744 $ 117,259 $ 461,003 Central 431,499 24,263 455,762 Mountain 331,952 67,155 399,107 Total $ 1,107,195 $ 208,677 $ 1,315,872 2021 Construction Materials Total California $ 387,897 $ 112,446 $ 500,343 Central 541,287 19,100 560,387 Mountain 291,212 49,061 340,273 Total $ 1,220,396 $ 180,607 $ 1,401,003

Note 6 - Unearned Revenue

Note 6 - Unearned Revenue	6 Months Ended
	Jun. 30, 2022
Notes to Financial Statements
Unearned Revenue From Unsatisfied Performance Obligations [Text Block]	6.   Unearned Revenue The following table presents our unearned revenue from continuing operations as of the respective periods: (in thousands) June 30, 2022 December 31, 2021 June 30, 2021 California $ 873,322 $ 771,759 $ 969,444 Central 1,344,902 1,334,901 1,662,168 Mountain 666,652 488,425 667,359 Total $ 2,884,876 $ 2,595,085 $ 3,298,971 All unearned revenue is in the Construction segment. Approximately $2.4 billion of the June 30, 2022 unearned revenue is expected to be recognized within the next twelve

Note 7 - Other Costs

Note 7 - Other Costs	6 Months Ended
	Jun. 30, 2022
Notes to Financial Statements
Asset Impairment Charges [Text Block]	7.   Other Costs Other costs included in the condensed consolidated statements of operations for the three six June 30, 2022 18. three six June 30, 2022, 18, six June 30, 2021 18. three six June 30, 2021, 2021.

Note 8 - Contract Assets and Li

Note 8 - Contract Assets and Liabilities	6 Months Ended
	Jun. 30, 2022
Notes to Financial Statements
Revenue from Contract with Customer [Text Block]	8.   Contract Assets and Liabilities As a result of changes in contract transaction price related to performance obligations that were satisfied or partially satisfied prior to the end of the periods, we recognized revenue of $71.0 million and $112.1 million during the three six June 30, 2022 three six 2021 As of June 30, 2022 December 31, 2021 June 30, 2021 The components of the contract asset balances as of the respective dates were as follows: (in thousands) June 30, 2022 December 31, 2021 June 30, 2021 Costs in excess of billings and estimated earnings $ 47,184 $ 14,158 $ 46,771 Contract retention 143,003 131,279 107,771 Total contract assets $ 190,187 $ 145,437 $ 154,542 As of June 30, 2022 December 31, 2021 June 30, 2021 No 10% one As work is performed, revenue is recognized and the corresponding contract liabilities are reduced. We recognized revenue of $47.7 million and $207.6 million during the three six June 30, 2022 three six June 30, 2021 December 31, 2021 2020 The components of the contract liability balances as of the respective dates were as follows: (in thousands) June 30, 2022 December 31, 2021 June 30, 2021 Billings in excess of costs and estimated earnings, net of retention $ 159,541 $ 169,542 $ 139,327 Provisions for losses 19,781 30,499 27,088 Total contract liabilities $ 179,322 $ 200,041 $ 166,415

Note 9 - Receivables, Net

Note 9 - Receivables, Net	6 Months Ended
	Jun. 30, 2022
Notes to Financial Statements
Financing Receivables [Text Block]	9. Receivables include billed and unbilled amounts for services provided to clients for which we have an unconditional right to payment as of the end of the applicable period and generally do not (in thousands) June 30, 2022 December 31, 2021 June 30, 2021 Contracts completed and in progress: Billed $ 221,084 $ 236,053 $ 187,188 Unbilled 160,336 126,371 189,332 Total contracts completed and in progress 381,420 362,424 376,520 Materials sales 75,634 43,746 64,017 Other 71,352 59,496 104,756 Total gross receivables 528,406 465,666 545,293 Less: allowance for credit losses 1,129 1,078 1,379 Total net receivables $ 527,277 $ 464,588 $ 543,914 Included in other receivables at June 30, 2022 December 31, 2021 June 30, 2021 June 30, 2022 December 31, 2021 one June 30, 2021 18, October 2021 June 30, 2022, no GRANITE CONSTRUCTION INCORPORATED NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS - CONTINUED (Unaudited)

Note 10 - Fair Value Measuremen

Note 10 - Fair Value Measurement	6 Months Ended
	Jun. 30, 2022
Notes to Financial Statements
Fair Value Disclosures [Text Block]	10.   Fair Value Measurement The following tables summarize significant assets and liabilities measured at fair value in the condensed consolidated balance sheets on a recurring basis for each of the fair value levels (in thousands): Fair Value Measurement at Reporting Date Using June 30, 2022 Level 1 Level 2 Level 3 Total Cash equivalents Money market funds $ 2,444 $ — $ — $ 2,444 Other current assets Commodity swap — 2,524 — 2,524 Total assets $ 2,444 $ 2,524 $ — $ 4,968 December 31, 2021 Cash equivalents Money market funds $ 65,233 $ — $ — $ 65,233 Total assets $ 65,233 $ — $ — $ 65,233 Accrued and other current liabilities Interest rate swap $ — $ 3,514 $ — $ 3,514 Total liabilities $ — $ 3,514 $ — $ 3,514 June 30, 2021 Cash equivalents Money market funds $ 23,489 $ — $ — $ 23,489 Other current assets Commodity swap — 1,550 — 1,550 Total assets $ 23,489 $ 1,550 $ — $ 25,039 Accrued and other current liabilities Interest rate swap $ — $ 5,770 $ — $ 5,770 Total liabilities $ — $ 5,770 $ — $ 5,770 Interest Rate Swaps In connection with entering into the Third Amended and Restated Credit Agreement, we entered into two May 2018 May 2023. three March 31, 2021 three June 30, 2021. During the six June 30, 2022, 15 three six June 30, 2022 Commodity Swaps As of June 30, 2022, October 31, 2022. three six June 30, 2022 three June 30, 2022, six June 30, 2022, June 30, 2021 October 2021. Other Assets and Liabilities The carrying values and estimated fair values of financial instruments that are not June 30, 2022 December 31, 2021 June 30, 2021 (in thousands) Fair Value Hierarchy Carrying Value Fair Value Carrying Value Fair Value Carrying Value Fair Value Assets: Held-to-maturity marketable securities (1) Level 1 $ 66,675 $ 65,565 $ 15,600 $ 15,459 $ 10,850 $ 10,801 Liabilities (including current maturities): 2.75% Convertible Notes (2),(3) Level 2 $ 230,000 $ 253,000 $ 207,354 $ 313,785 $ 203,771 $ 333,500 Third Amended and Restated Credit Agreement - term loan (2) Level 3 $ — $ — $ 123,750 $ 124,598 $ 127,500 $ 128,639 Fourth Amended and Restated Credit Agreement - revolver (2) Level 3 $ 50,000 $ 50,056 $ — $ — $ — $ — ( 1 June 30, 2022 December 31, 2021 June 30, 2021 two three ( 2 2.75% 15 2.75% ( 3 December 31, 2021 June 30, 2021 2.75% 2 15 During the three six June 30, 2022 2021 not

Note 11 - Construction Joint Ve

Note 11 - Construction Joint Ventures	6 Months Ended
	Jun. 30, 2022
Notes to Financial Statements
Construction Joint Ventures [Text Block]	11.   Construction Joint Ventures We participate in various construction joint ventures. We have determined that certain of these joint ventures are consolidated because they are variable interest entities (“VIEs”) and we are the primary beneficiary. We continually evaluate whether there are changes in the status of the VIEs or changes to the primary beneficiary designation of the VIE. Based on our assessments during the three six June 30, 2022 no Due to the joint and several nature of the performance obligations under the related owner contracts, if any of our partners fail to perform, we and the remaining partners, if any, would be responsible for performance of the outstanding work (i.e., we provide a performance guarantee). At June 30, 2022 not may Consolidated Construction Joint Ventures (“CCJVs”) At June 30, 2022 nine June 30, 2022 three six June 30, 2022 2021 six June 30, 2022 six June 30, 2021, Unconsolidated Construction Joint Ventures As of June 30, 2022 June 30, 2022 The following is summary financial information related to unconsolidated construction joint ventures: (in thousands) June 30, 2022 December 31, 2021 June 30, 2021 Assets Cash, cash equivalents and marketable securities $ 148,446 $ 182,891 $ 139,381 Other current assets (1) 672,274 661,342 795,440 Noncurrent assets 85,863 103,579 140,160 Less partners’ interest 602,618 633,634 716,678 Granite’s interest (1),(2) $ 303,965 $ 314,178 $ 358,303 Liabilities Current liabilities $ 228,686 $ 307,674 $ 432,130 Less partners’ interest and adjustments (3) 99,053 154,771 235,649 Granite’s interest $ 129,633 $ 152,903 $ 196,481 Equity in construction joint ventures (4) $ 174,332 $ 161,275 $ 161,822 ( 1 June 30, 2022 December 31, 2021 June 30, 2021 ( 2 June 30, 2022 December 31, 2021 June 30, 2021 June 30, 2022 December 31, 2021 June 30, 2021 ( 3 ( 4 June 30, 2022 December 31, 2021 June 30, 2021 Three Months Ended June 30, Six Months Ended June 30, (in thousands) 2022 2021 2022 2021 Revenue Total $ 91,564 $ 263,558 $ 252,703 $ 495,600 Less partners’ interest and adjustments (1) 68,374 176,657 179,858 328,977 Granite’s interest 23,190 86,901 $ 72,845 $ 166,623 Cost of revenue Total 93,162 249,494 $ 251,083 $ 497,564 Less partners’ interest and adjustments (1) 56,897 169,041 161,549 337,775 Granite’s interest 36,265 80,453 $ 89,534 $ 159,789 Granite’s interest in gross profit (loss) $ (13,075 ) $ 6,448 (16,689 ) $ 6,834 Net Income (Loss) Total $ (2,871 ) $ 13,813 $ 296 $ (2,190 ) Less partners’ interest and adjustments (1) 10,730 7,262 17,524 (9,159 ) Granite’s interest in net income (loss) (2) $ (13,601 ) $ 6,551 $ (17,228 ) $ 6,969 ( 1 ( 2

Note 12 - Investments in Affili

Note 12 - Investments in Affiliates	6 Months Ended
	Jun. 30, 2022
Notes to Financial Statements
Investments in and Advances to Affiliates, Schedule of Investments [Text Block]	12.   Investments in Affiliates Our investments in affiliates balance consists of equity method investments in the following types of entities: (in thousands) June 30, 2022 December 31, 2021 June 30, 2021 Real estate $ 9,619 $ 9,619 $ 11,914 Asphalt terminal 13,584 13,749 13,403 Total investments in affiliates $ 23,203 $ 23,368 $ 25,317 The following table provides summarized balance sheet information for our affiliates accounted for under the equity method on a combined basis: (in thousands) June 30, 2022 December 31, 2021 June 30, 2021 Current assets $ 34,822 $ 34,374 $ 32,528 Noncurrent assets 75,679 78,829 68,929 Total assets $ 110,501 $ 113,203 $ 101,457 Current liabilities $ 21,182 $ 23,685 $ 18,794 Long-term liabilities (1) 32,364 48,104 29,596 Total liabilities $ 53,546 $ 71,789 $ 48,390 Net assets $ 56,955 $ 41,414 $ 53,067 Granite’s share of net assets $ 23,203 $ 23,368 $ 25,317 ( 1 Of the $110.5 million of total affiliate assets as of June 30, 2022 June 30, 2022 December 31, 2021 June 30, 2021 June 30, 2022

Note 13 - Property and Equipmen

Note 13 - Property and Equipment, Net	6 Months Ended
	Jun. 30, 2022
Notes to Financial Statements
Property, Plant and Equipment Disclosure [Text Block]	13.   Property and Equipment, net Balances of major classes of assets and total accumulated depreciation and depletion are included in property and equipment, net in the condensed consolidated balance sheets as follows: (in thousands) June 30, 2022 December 31, 2021 June 30, 2021 Equipment and vehicles $ 908,941 $ 870,672 $ 849,011 Quarry property 206,067 191,982 195,284 Land and land improvements 109,420 108,518 117,394 Buildings and leasehold improvements 97,222 96,180 98,591 Office furniture and equipment 77,982 75,043 73,403 Property and equipment 1,399,632 1,342,395 1,333,683 Less: accumulated depreciation and depletion 935,039 908,891 900,787 Property and equipment, net $ 464,593 $ 433,504 $ 432,896

Note 14 - Accrued Expenses and

Note 14 - Accrued Expenses and Other Current Liabilities	6 Months Ended
	Jun. 30, 2022
Notes to Financial Statements
Other Liabilities Disclosure [Text Block]	14.  Accrued Expenses and Other Current Liabilities (in thousands) June 30, 2022 December 31, 2021 June 30, 2021 Accrued insurance $ 82,538 $ 76,999 $ 77,436 Deficits in unconsolidated construction joint ventures 12,696 28,636 33,608 Payroll and related employee benefits 77,582 87,460 87,096 Performance guarantees 77,434 82,112 82,280 Accrual for expected resolution of SEC investigation (see Note 18) 12,000 - - Accrued legal settlement (see Note 18) 129,000 129,000 129,000 Other 43,811 48,622 50,097 Total $ 435,061 $ 452,829 $ 459,517 Other includes short-term lease liabilities, dividends payable, warranty reserves, asset retirement obligations, remediation reserves and other miscellaneous accruals, none 5%

Note 15 - Long-term Debt and Cr

Note 15 - Long-term Debt and Credit Arrangements	6 Months Ended
	Jun. 30, 2022
Notes to Financial Statements
Long-Term Debt [Text Block]	15.   Long-Term Debt and Credit Arrangements (in thousands) June 30, 2022 December 31, 2021 June 30, 2021 2.75% Convertible Notes $ 230,000 $ 207,354 $ 203,771 Third Amended and Restated Credit Agreement - term loan — 123,750 127,500 Fourth Amended and Restated Credit Agreement - revolver 50,000 — — Debt issuance costs and other 8,230 8,814 8,660 Total debt $ 288,230 $ 339,918 $ 339,931 Less current maturities 1,429 8,727 8,709 Total long-term debt $ 286,801 $ 331,191 $ 331,222 During the six June 30, 2022 May 31, 2018 June 2, 2027. five twelve We may June 30, 2022 August 2022 December 2025 June 30, 2022 June 30, 2022 The amended Credit Agreement contains certain affirmative and restrictive covenants, and customary events of default. The financial covenants include a maximum Consolidated Leverage Ratio of 3.25 to 1.00 1.00. June 30, 2022 not Effective January 1, 2022, 2020 06 2 2.75% During the three six June 30, 2022, not 2020 06, three six June 30, 2021, three six June 30, 2022 2021

Note 16 - Weighted Average Shar

Note 16 - Weighted Average Shares Outstanding and Net Income (Loss) Per Share	6 Months Ended
	Jun. 30, 2022
Notes to Financial Statements
Earnings Per Share [Text Block]	16. The following table presents a reconciliation of the weighted average shares of common stock used in calculating basic and diluted net income (loss) per share as well as the calculation of basic and diluted net income (loss) per share: Three Months Ended June 30, Six Months Ended June 30, (in thousands, except per share amounts) 2022 2021 2022 2021 Numerator (basic and diluted) Net income (loss) from continuing operations allocated to common shareholders $ (2,370 ) $ 24,859 $ (21,405 ) $ (38,414 ) Net income from discontinued operations allocated to common shareholders 19,521 29,602 $ 25,617 $ 26,680 Net income (loss) allocated to common shareholders $ 17,151 $ 54,461 $ 4,212 $ (11,734 ) Denominator Weighted average common shares outstanding, basic 44,534 45,798 45,128 45,748 Dilutive effect of RSUs and convertible notes — 454 — — Dilutive effect of 2.75% Convertible Notes — 1,546 — — Weighted average common shares outstanding, diluted 44,534 47,798 45,128 45,748 Basic: Net income (loss) from continuing operations per share $ (0.05 ) $ 0.54 $ (0.47 ) $ (0.84 ) Net income from discontinued operations per share 0.44 0.65 0.57 0.58 Net income (loss) per share $ 0.39 $ 1.19 $ 0.10 $ (0.26 ) Diluted: Net income (loss) from continuing operations per share $ (0.05 ) $ 0.52 $ (0.47 ) $ (0.84 ) Net income from discontinued operations per share 0.44 0.62 0.57 0.58 Net income (loss) per share $ 0.39 $ 1.14 $ 0.10 $ (0.26 ) Due to the net loss from continuing operations for the three June 30, 2022 six June 30, 2022 2021 1

Note 17 - Income Taxes

Note 17 - Income Taxes	6 Months Ended
	Jun. 30, 2022
Notes to Financial Statements
Income Tax Disclosure [Text Block]	17.  Income Taxes The following table presents the provision for (benefit from) income taxes on continuing operations for the respective periods: Three Months Ended June 30, Six Months Ended June 30, (dollars in thousands) 2022 2021 2022 2021 Provision for (benefit from) income taxes on continuing operations $ 2,549 $ 7,710 $ (2,782 ) $ (14,047 ) Effective tax rate (630.9 %) 22.8 % 12.8 % 27.9 % Our effective tax rate for the three six June 30, 2022 18.

Note 18 - Contingencies - Legal

Note 18 - Contingencies - Legal Proceedings	6 Months Ended
	Jun. 30, 2022
Notes to Financial Statements
Legal Matters and Contingencies [Text Block]	18.  Contingencies - Legal Proceedings Liabilities relating to legal proceedings and government inquiries, to the extent that we have concluded such liabilities are probable and the amounts of such liabilities are reasonably estimable, are recorded in the consolidated balance sheets. It is possible that future developments in our legal proceedings and inquiries could require us to (i) adjust or reverse existing accruals, or (ii) record new accruals that we did not not not not The total liabilities for legal proceedings recorded as of June 30, 2022 December 31, 2021 June 30, 2021, June 30, 2022 Ordinary Course Legal Proceedings In the ordinary course of business, we and our affiliates are involved in various legal proceedings alleging, among other things, liability issues or breach of contract or tortious conduct in connection with the performance of services and/or materials provided, the various outcomes of which often cannot be predicted with certainty. For information on our accounting policies regarding affirmative claims and back charges that we are party to in the ordinary course of business, see Note 1 Some of the matters in which we or our joint ventures and affiliates are involved may not may Securities Litigation and Derivative Lawsuits On August 13, 2019, February 20, 2020 April 30, 2018 October 24, 2019, 10 20 1934 10b 5 Police Retirement System of St. Louis v. Granite Construction Incorporated, et. al May 20, 2020, January 21, 2021, On October 23, 2019, Nasseri v. Granite Construction Incorporated, et. al. June 2018 1933 August 10, 2020, September 16, 2020, April 9, 2021, May 14, 2021, On April 29, 2021, Police Retirement System of St. Louis v. Granite Construction Incorporated, et al Nasseri v. Granite Construction Incorporated, et al March 31, 2021. Under the Settlement Agreement, the Company agreed to pay or cause to be paid a total of $129 million in cash to a settlement fund that will be used to pay all settlement fees and expenses, attorneys’ fees and expenses, and cash payments to members of the settlement class. The settlement class agreed to release us, the other defendants named in the lawsuits and certain of their respective related parties from any and all claims, rights, causes of action, liabilities, actions, suits, damages or demands of any kind whatsoever, that relate in any way to the purchase, acquisition, holding, sale or disposition of our common stock during the period between February 17, 2017 October 24, 2019 Police Retirement System of St. Louis v. Granite Construction Incorporated, et al. 1933, 1934, Nasseri v. Granite Construction Incorporated, et al no On April 30, 2021, Police Retirement System of St. Louis v. Granite Construction Incorporated, et al. Nasseri v. Granite Construction Incorporated, et al. October 6, 2021, February 24, 2022. March 17, 2022, Nasseri v. Granite Construction Incorporated, et al April 12, 2022, Nasseri v. Granite Construction Incorporated, et al. Nasseri April 15, 2022, Nasseri v. Granite Construction Incorporated, et al. Police Retirement System of St. Louis v. Granite Construction Incorporated, et al. On May 6, 2020, English v. Roberts, et al. 1934 April 30, 2018 October 24, 2019. March 17, 2022 On May 12, 2021, Davydov v. Roberts, et al. April 30, 2018 October 24, 2019. On April 14, 2022, Davydov v. Roberts et al. English v. Roberts et al. Davydov not 30 Davydov v. Roberts, et al. English v. Roberts, et al. Davydov English April 14, 2022, Davydov v. Roberts, et al. English v. Roberts, et al. Davydov v. Roberts, et al. July 12, 2022. As of June 30, 2022, December 31, 2021 June 30, 2021, not not not Other Matters In connection with our prior disclosure of the Audit/Compliance Committee’s independent investigation of prior-period reporting for the former Heavy Civil operating group and the extent to which those matters affected the effectiveness of the Company’s internal control over financial reporting (the “Investigation”), we voluntarily contacted the San Francisco office of the SEC Division of Enforcement regarding the Investigation. The SEC has issued subpoenas for documents in connection with the accounting issues identified in the Investigation. We have produced documents to the SEC and cooperated with the SEC in its investigation. Based upon our current estimate for the expected resolution of the SEC’s investigation, we recorded a $12 million accrual in the second 2022, three six June 30, 2022 June 30, 2022. not may Our wholly-owned subsidiary, Layne, was a subcontractor on the foundation for the Salesforce Tower office building in San Francisco in 2013 2014. March 2014 2015. may 2014, July 20, 2021, On February 3, 2022, Steadfast Insurance Company ( Steadfast ), a subrogee of Clark/Hathaway Dinwiddie, a Joint Venture ( CHDJV ) v. Layne Christensen Company ( Layne ) February 4, 2022, March 8, 2022, April 8, 2022, May 6, 2022, May 16, 2022, not GRANITE CONSTRUCTION INCORPORATED NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS - CONTINUED (Unaudited)

Note 19 - Reportable Segment In

Note 19 - Reportable Segment Information	6 Months Ended
	Jun. 30, 2022
Notes to Financial Statements
Segment Reporting Disclosure [Text Block]	19.   Reportable Segment Information During the fourth 2021, two As a result of these changes, in accordance with FASB ASC Topic 280, Segment Reporting Summarized segment information is as follows: Three months ended June 30, Construction Materials Total 2022 Total revenue from reportable segments $ 632,260 $ 180,444 $ 812,704 Elimination of intersegment revenue — (44,418 ) (44,418 ) Revenue from external customers $ 632,260 $ 136,026 $ 768,286 Gross profit $ 61,166 $ 17,314 $ 78,480 Depreciation, depletion and amortization $ 5,595 $ 6,804 $ 12,399 2021 Total revenue from reportable segments $ 713,425 $ 167,969 $ 881,394 Elimination of intersegment revenue — (46,723 ) (46,723 ) Revenue from external customers $ 713,425 $ 121,246 $ 834,671 Gross profit $ 76,267 $ 21,965 $ 98,232 Depreciation, depletion and amortization $ 8,864 $ 6,346 $ 15,210 Six months ended June 30, Construction Materials Total 2022 Total revenue from reportable segments $ 1,107,195 $ 269,998 $ 1,377,193 Elimination of intersegment revenue — $ (61,321 ) (61,321 ) Revenue from external customers $ 1,107,195 $ 208,677 $ 1,315,872 Gross profit $ 109,358 $ 18,897 $ 128,255 Depreciation, depletion and amortization $ 13,389 $ 13,137 $ 26,526 Segment assets $ 369,160 $ 357,922 $ 727,082 2021 Total revenue from reportable segments $ 1,220,396 $ 239,321 $ 1,459,717 Elimination of intersegment revenue $ — $ (58,714 ) (58,714 ) Revenue from external customers $ 1,220,396 $ 180,607 $ 1,401,003 Gross profit $ 129,036 $ 22,908 $ 151,944 Depreciation, depletion and amortization $ 15,482 $ 11,683 $ 27,165 Segment assets $ 372,952 $ 331,748 $ 704,700 A reconciliation of segment gross profit from continuing operations to consolidated income (loss) from continuing operations before provision for (benefit from) income taxes is as follows: Three months ended June 30, Six months ended June 30, 2022 2021 2022 2021 Total gross profit from continuing operations $ 78,480 $ 98,232 $ 128,255 $ 151,944 Selling, general and administrative expenses 53,162 58,628 111,663 119,789 Other costs (see Note 7) 20,177 5,868 28,391 80,177 Gain on sales of property and equipment (385 ) (1,052 ) (717 ) (3,297 ) Total other expense, net 5,930 933 10,570 5,578 Income (loss) from continuing operations before income taxes $ (404 ) $ 33,855 $ (21,652 ) $ (50,303 )

Note 3 - Discontinued Operati_2

Note 3 - Discontinued Operations and Held-for-sale (Tables)	6 Months Ended
	Jun. 30, 2022
Notes Tables
Disposal Group, Including Discontinued Operation, Assets and Liabilities [Table Text Block]	(in thousands) June 30, 2022 December 31, 2021 June 30, 2021 Cash and cash equivalents $ 8,617 $ 16,496 $ 15,561 Receivables, net 62,626 102,208 103,024 Contract assets 19,148 41,340 39,941 Inventories 12,490 19,625 21,840 Other current assets 1,142 1,781 3,901 Property and equipment, net 38,767 70,912 84,247 Investments in affiliates 53,240 48,675 50,309 Goodwill 19,985 63,063 63,124 Right of use assets 6,032 12,365 12,038 Other noncurrent assets 732 16,176 20,410 Total assets classified as held-for-sale $ 222,779 $ 392,641 $ 414,395 Accounts payable $ 18,429 $ 37,997 $ 44,850 Contract liabilities 3,466 7,129 8,435 Other current liabilities 21,737 27,764 26,202 Long-term lease liabilities 3,060 8,352 8,239 Other long-term liabilities 14 2,166 2,337 Total liabilities classified as held-for-sale $ 46,706 $ 83,408 $ 90,063
Disposal Group, Including Discontinued Operations, Statement of Operations	For the three months ended June 30, For the six months ended June 30, 2022 2021 2022 2021 Revenue $ 85,554 $ 129,501 $ 188,516 $ 233,082 Cost of revenue 70,386 110,787 159,113 204,762 Gross profit 15,168 18,714 29,403 28,320 Selling, general and administrative expenses 6,960 15,440 18,580 30,008 Other costs (3,565 ) 85 (2,223 ) 1,611 Gain on sale of discontinued operations — — (6,234 ) — Gain on sales of property and equipment, net (1), (2) (8,530 ) (30,583 ) (8,796 ) (30,893 ) Operating income 20,303 33,772 28,076 27,594 Other income, net (4,426 ) (3,739 ) (6,034 ) (6,297 ) Income from discontinued operations before income taxes 24,729 37,511 34,110 33,891 Provision for income taxes 5,208 7,909 8,493 7,211 Net income from discontinued operations $ 19,521 $ 29,602 $ 25,617 $ 26,680
Disposal Group, Including Discontinued Operation, Cash Flows [Table Text Block]	Six months ended June 30, 2022 2021 Depreciation, depletion and amortization (1) $ — $ 20,239 Gain on sale of discontinued operations $ 6,234 $ — Gain on sale of property and equipment $ 8,796 $ 30,893 Purchases of property and equipment $ 5,597 $ 7,775 Proceeds from sales of property and equipment $ 12,697 $ 44,287 Proceeds from sale of discontinued operations $ 142,571 $ —

Note 4 - Revisions in Estimat_2

Note 4 - Revisions in Estimates (Tables)	6 Months Ended
	Jun. 30, 2022
Notes Tables
Schedule of Change in Accounting Estimate [Table Text Block]	Three Months Ended June 30, Six Months Ended June 30, 2022 2021 2022 2021 Number of projects with downward estimate changes 4 — 5 2 Range of reduction in gross profit from each project, net $ 5.7 - 7.6 $ — $ 5.6 - 10.6 $ 5.3 - 6.1 Decrease to project profitability $ 25.2 $ — $ 35.6 $ 11.4 Decrease to net income/increase to net loss from continuing operations $ 19.3 $ — $ 27.3 $ 8.9 Amounts attributable to non-controlling interests $ 3.0 $ — $ 3.0 $ 2.6 Decrease to net income/increase to net loss attributable to Granite Construction Incorporated from continuing operations $ 16.3 $ — $ 24.2 $ 6.3 Decrease to net income/increase to net loss per diluted share attributable to common shareholders from continuing operations $ 0.37 $ — $ 0.54 $ 0.14

Note 5 - Disaggregation of Re_2

Note 5 - Disaggregation of Revenue (Tables)	6 Months Ended
	Jun. 30, 2022
Notes Tables
Disaggregation of Revenue [Table Text Block]	2022 Construction Materials Total California $ 199,357 $ 71,572 $ 270,929 Central 207,406 13,901 221,307 Mountain 225,497 50,553 276,050 Total $ 632,260 $ 136,026 $ 768,286 2021 Construction Materials Total California $ 228,631 $ 70,490 $ 299,121 Central 287,994 10,720 298,714 Mountain 196,800 40,036 236,836 Total $ 713,425 $ 121,246 $ 834,671 2022 Construction Materials Total California $ 343,744 $ 117,259 $ 461,003 Central 431,499 24,263 455,762 Mountain 331,952 67,155 399,107 Total $ 1,107,195 $ 208,677 $ 1,315,872 2021 Construction Materials Total California $ 387,897 $ 112,446 $ 500,343 Central 541,287 19,100 560,387 Mountain 291,212 49,061 340,273 Total $ 1,220,396 $ 180,607 $ 1,401,003

Note 6 - Unearned Revenue (Tabl

Note 6 - Unearned Revenue (Tables)	6 Months Ended
	Jun. 30, 2022
Notes Tables
Schedule Of Unearned Revenue [Table Text Block]	(in thousands) June 30, 2022 December 31, 2021 June 30, 2021 California $ 873,322 $ 771,759 $ 969,444 Central 1,344,902 1,334,901 1,662,168 Mountain 666,652 488,425 667,359 Total $ 2,884,876 $ 2,595,085 $ 3,298,971

Note 8 - Contract Assets and _2

Note 8 - Contract Assets and Liabilities (Tables)	6 Months Ended
	Jun. 30, 2022
Notes Tables
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]	(in thousands) June 30, 2022 December 31, 2021 June 30, 2021 Costs in excess of billings and estimated earnings $ 47,184 $ 14,158 $ 46,771 Contract retention 143,003 131,279 107,771 Total contract assets $ 190,187 $ 145,437 $ 154,542 (in thousands) June 30, 2022 December 31, 2021 June 30, 2021 Billings in excess of costs and estimated earnings, net of retention $ 159,541 $ 169,542 $ 139,327 Provisions for losses 19,781 30,499 27,088 Total contract liabilities $ 179,322 $ 200,041 $ 166,415

Note 9 - Receivables, Net (Tabl

Note 9 - Receivables, Net (Tables)	6 Months Ended
	Jun. 30, 2022
Notes Tables
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]	(in thousands) June 30, 2022 December 31, 2021 June 30, 2021 Contracts completed and in progress: Billed $ 221,084 $ 236,053 $ 187,188 Unbilled 160,336 126,371 189,332 Total contracts completed and in progress 381,420 362,424 376,520 Materials sales 75,634 43,746 64,017 Other 71,352 59,496 104,756 Total gross receivables 528,406 465,666 545,293 Less: allowance for credit losses 1,129 1,078 1,379 Total net receivables $ 527,277 $ 464,588 $ 543,914

Note 10 - Fair Value Measurem_2

Note 10 - Fair Value Measurement (Tables)	6 Months Ended
	Jun. 30, 2022
Notes Tables
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]	Fair Value Measurement at Reporting Date Using June 30, 2022 Level 1 Level 2 Level 3 Total Cash equivalents Money market funds $ 2,444 $ — $ — $ 2,444 Other current assets Commodity swap — 2,524 — 2,524 Total assets $ 2,444 $ 2,524 $ — $ 4,968 December 31, 2021 Cash equivalents Money market funds $ 65,233 $ — $ — $ 65,233 Total assets $ 65,233 $ — $ — $ 65,233 Accrued and other current liabilities Interest rate swap $ — $ 3,514 $ — $ 3,514 Total liabilities $ — $ 3,514 $ — $ 3,514 June 30, 2021 Cash equivalents Money market funds $ 23,489 $ — $ — $ 23,489 Other current assets Commodity swap — 1,550 — 1,550 Total assets $ 23,489 $ 1,550 $ — $ 25,039 Accrued and other current liabilities Interest rate swap $ — $ 5,770 $ — $ 5,770 Total liabilities $ — $ 5,770 $ — $ 5,770
Fair Value, by Balance Sheet Grouping [Table Text Block]	June 30, 2022 December 31, 2021 June 30, 2021 (in thousands) Fair Value Hierarchy Carrying Value Fair Value Carrying Value Fair Value Carrying Value Fair Value Assets: Held-to-maturity marketable securities (1) Level 1 $ 66,675 $ 65,565 $ 15,600 $ 15,459 $ 10,850 $ 10,801 Liabilities (including current maturities): 2.75% Convertible Notes (2),(3) Level 2 $ 230,000 $ 253,000 $ 207,354 $ 313,785 $ 203,771 $ 333,500 Third Amended and Restated Credit Agreement - term loan (2) Level 3 $ — $ — $ 123,750 $ 124,598 $ 127,500 $ 128,639 Fourth Amended and Restated Credit Agreement - revolver (2) Level 3 $ 50,000 $ 50,056 $ — $ — $ — $ —

Note 11 - Construction Joint _2

Note 11 - Construction Joint Ventures (Tables)	6 Months Ended
	Jun. 30, 2022
Notes Tables
Schedule of Unconsolidated Joint Ventures Assets and Liabilities [Table Text Block]	(in thousands) June 30, 2022 December 31, 2021 June 30, 2021 Assets Cash, cash equivalents and marketable securities $ 148,446 $ 182,891 $ 139,381 Other current assets (1) 672,274 661,342 795,440 Noncurrent assets 85,863 103,579 140,160 Less partners’ interest 602,618 633,634 716,678 Granite’s interest (1),(2) $ 303,965 $ 314,178 $ 358,303 Liabilities Current liabilities $ 228,686 $ 307,674 $ 432,130 Less partners’ interest and adjustments (3) 99,053 154,771 235,649 Granite’s interest $ 129,633 $ 152,903 $ 196,481 Equity in construction joint ventures (4) $ 174,332 $ 161,275 $ 161,822
Schedule of Unconsolidated Joint Ventures Revenue and Costs [Table Text Block]	Three Months Ended June 30, Six Months Ended June 30, (in thousands) 2022 2021 2022 2021 Revenue Total $ 91,564 $ 263,558 $ 252,703 $ 495,600 Less partners’ interest and adjustments (1) 68,374 176,657 179,858 328,977 Granite’s interest 23,190 86,901 $ 72,845 $ 166,623 Cost of revenue Total 93,162 249,494 $ 251,083 $ 497,564 Less partners’ interest and adjustments (1) 56,897 169,041 161,549 337,775 Granite’s interest 36,265 80,453 $ 89,534 $ 159,789 Granite’s interest in gross profit (loss) $ (13,075 ) $ 6,448 (16,689 ) $ 6,834 Net Income (Loss) Total $ (2,871 ) $ 13,813 $ 296 $ (2,190 ) Less partners’ interest and adjustments (1) 10,730 7,262 17,524 (9,159 ) Granite’s interest in net income (loss) (2) $ (13,601 ) $ 6,551 $ (17,228 ) $ 6,969

Note 12 - Investments in Affi_2

Note 12 - Investments in Affiliates (Tables)	6 Months Ended
	Jun. 30, 2022
Notes Tables
Equity Method Investments [Table Text Block]	(in thousands) June 30, 2022 December 31, 2021 June 30, 2021 Real estate $ 9,619 $ 9,619 $ 11,914 Asphalt terminal 13,584 13,749 13,403 Total investments in affiliates $ 23,203 $ 23,368 $ 25,317
Equity Method Investment Summarized Balance Financial Information [Table Text Block]	(in thousands) June 30, 2022 December 31, 2021 June 30, 2021 Current assets $ 34,822 $ 34,374 $ 32,528 Noncurrent assets 75,679 78,829 68,929 Total assets $ 110,501 $ 113,203 $ 101,457 Current liabilities $ 21,182 $ 23,685 $ 18,794 Long-term liabilities (1) 32,364 48,104 29,596 Total liabilities $ 53,546 $ 71,789 $ 48,390 Net assets $ 56,955 $ 41,414 $ 53,067 Granite’s share of net assets $ 23,203 $ 23,368 $ 25,317

Note 13 - Property and Equipm_2

Note 13 - Property and Equipment, Net (Tables)	6 Months Ended
	Jun. 30, 2022
Notes Tables
Property, Plant and Equipment [Table Text Block]	(in thousands) June 30, 2022 December 31, 2021 June 30, 2021 Equipment and vehicles $ 908,941 $ 870,672 $ 849,011 Quarry property 206,067 191,982 195,284 Land and land improvements 109,420 108,518 117,394 Buildings and leasehold improvements 97,222 96,180 98,591 Office furniture and equipment 77,982 75,043 73,403 Property and equipment 1,399,632 1,342,395 1,333,683 Less: accumulated depreciation and depletion 935,039 908,891 900,787 Property and equipment, net $ 464,593 $ 433,504 $ 432,896

Note 14 - Accrued Expenses an_2

Note 14 - Accrued Expenses and Other Current Liabilities (Tables)	6 Months Ended
	Jun. 30, 2022
Notes Tables
Schedule of Accrued Liabilities [Table Text Block]	(in thousands) June 30, 2022 December 31, 2021 June 30, 2021 Accrued insurance $ 82,538 $ 76,999 $ 77,436 Deficits in unconsolidated construction joint ventures 12,696 28,636 33,608 Payroll and related employee benefits 77,582 87,460 87,096 Performance guarantees 77,434 82,112 82,280 Accrual for expected resolution of SEC investigation (see Note 18) 12,000 - - Accrued legal settlement (see Note 18) 129,000 129,000 129,000 Other 43,811 48,622 50,097 Total $ 435,061 $ 452,829 $ 459,517

Note 15 - Long-term Debt and _2

Note 15 - Long-term Debt and Credit Arrangements (Tables)	6 Months Ended
	Jun. 30, 2022
Notes Tables
Schedule of Long-Term Debt Instruments [Table Text Block]	(in thousands) June 30, 2022 December 31, 2021 June 30, 2021 2.75% Convertible Notes $ 230,000 $ 207,354 $ 203,771 Third Amended and Restated Credit Agreement - term loan — 123,750 127,500 Fourth Amended and Restated Credit Agreement - revolver 50,000 — — Debt issuance costs and other 8,230 8,814 8,660 Total debt $ 288,230 $ 339,918 $ 339,931 Less current maturities 1,429 8,727 8,709 Total long-term debt $ 286,801 $ 331,191 $ 331,222

Note 16 - Weighted Average Sh_2

Note 16 - Weighted Average Shares Outstanding and Net Income (Loss) Per Share (Tables)	6 Months Ended
	Jun. 30, 2022
Notes Tables
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]	Three Months Ended June 30, Six Months Ended June 30, (in thousands, except per share amounts) 2022 2021 2022 2021 Numerator (basic and diluted) Net income (loss) from continuing operations allocated to common shareholders $ (2,370 ) $ 24,859 $ (21,405 ) $ (38,414 ) Net income from discontinued operations allocated to common shareholders 19,521 29,602 $ 25,617 $ 26,680 Net income (loss) allocated to common shareholders $ 17,151 $ 54,461 $ 4,212 $ (11,734 ) Denominator Weighted average common shares outstanding, basic 44,534 45,798 45,128 45,748 Dilutive effect of RSUs and convertible notes — 454 — — Dilutive effect of 2.75% Convertible Notes — 1,546 — — Weighted average common shares outstanding, diluted 44,534 47,798 45,128 45,748 Basic: Net income (loss) from continuing operations per share $ (0.05 ) $ 0.54 $ (0.47 ) $ (0.84 ) Net income from discontinued operations per share 0.44 0.65 0.57 0.58 Net income (loss) per share $ 0.39 $ 1.19 $ 0.10 $ (0.26 ) Diluted: Net income (loss) from continuing operations per share $ (0.05 ) $ 0.52 $ (0.47 ) $ (0.84 ) Net income from discontinued operations per share 0.44 0.62 0.57 0.58 Net income (loss) per share $ 0.39 $ 1.14 $ 0.10 $ (0.26 )

Note 17 - Income Taxes (Tables)

Note 17 - Income Taxes (Tables)	6 Months Ended
	Jun. 30, 2022
Notes Tables
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]	Three Months Ended June 30, Six Months Ended June 30, (dollars in thousands) 2022 2021 2022 2021 Provision for (benefit from) income taxes on continuing operations $ 2,549 $ 7,710 $ (2,782 ) $ (14,047 ) Effective tax rate (630.9 %) 22.8 % 12.8 % 27.9 %

Note 19 - Reportable Segment _2

Note 19 - Reportable Segment Information (Tables)	6 Months Ended
	Jun. 30, 2022
Notes Tables
Schedule of Segment Reporting Information, by Segment [Table Text Block]	Three months ended June 30, Construction Materials Total 2022 Total revenue from reportable segments $ 632,260 $ 180,444 $ 812,704 Elimination of intersegment revenue — (44,418 ) (44,418 ) Revenue from external customers $ 632,260 $ 136,026 $ 768,286 Gross profit $ 61,166 $ 17,314 $ 78,480 Depreciation, depletion and amortization $ 5,595 $ 6,804 $ 12,399 2021 Total revenue from reportable segments $ 713,425 $ 167,969 $ 881,394 Elimination of intersegment revenue — (46,723 ) (46,723 ) Revenue from external customers $ 713,425 $ 121,246 $ 834,671 Gross profit $ 76,267 $ 21,965 $ 98,232 Depreciation, depletion and amortization $ 8,864 $ 6,346 $ 15,210 Six months ended June 30, Construction Materials Total 2022 Total revenue from reportable segments $ 1,107,195 $ 269,998 $ 1,377,193 Elimination of intersegment revenue — $ (61,321 ) (61,321 ) Revenue from external customers $ 1,107,195 $ 208,677 $ 1,315,872 Gross profit $ 109,358 $ 18,897 $ 128,255 Depreciation, depletion and amortization $ 13,389 $ 13,137 $ 26,526 Segment assets $ 369,160 $ 357,922 $ 727,082 2021 Total revenue from reportable segments $ 1,220,396 $ 239,321 $ 1,459,717 Elimination of intersegment revenue $ — $ (58,714 ) (58,714 ) Revenue from external customers $ 1,220,396 $ 180,607 $ 1,401,003 Gross profit $ 129,036 $ 22,908 $ 151,944 Depreciation, depletion and amortization $ 15,482 $ 11,683 $ 27,165 Segment assets $ 372,952 $ 331,748 $ 704,700
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block]	Three months ended June 30, Six months ended June 30, 2022 2021 2022 2021 Total gross profit from continuing operations $ 78,480 $ 98,232 $ 128,255 $ 151,944 Selling, general and administrative expenses 53,162 58,628 111,663 119,789 Other costs (see Note 7) 20,177 5,868 28,391 80,177 Gain on sales of property and equipment (385 ) (1,052 ) (717 ) (3,297 ) Total other expense, net 5,930 933 10,570 5,578 Income (loss) from continuing operations before income taxes $ (404 ) $ 33,855 $ (21,652 ) $ (50,303 )

Note 1 - Basis of Presentation

Note 1 - Basis of Presentation (Details Textual) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		6 Months Ended
	May 02, 2022	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total		$ (404)	$ 33,855	$ (21,652)	$ (50,303)
Payments for Repurchase of Common Stock				$ 70,374	$ 2,497
Accelerated Share Repurchase [Member]
Payments for Repurchase of Common Stock	$ 50,000
Percentage of Notional Amount	80%
Stock Repurchased and Retired During Period, Value	$ 40,000
Stock Repurchased and Retired During Period, Shares (in shares)	1,320
Revision of Prior Period, Adjustment [Member]
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total		$ 4,100

Note 2 - Recently Issued and _2

Note 2 - Recently Issued and Adopted Accounting Pronouncements (Details Textual) - USD ($) $ / shares in Units, $ in Millions	Jun. 30, 2022	Jan. 01, 2022	Aug. 31, 2020
Warrants Issued With 2.75% Convertible Notes [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)	$ 53.44
Accounting Standards Update 2020-06 [Member]
Long-Term Debt, Gross		$ 22
Deferred Tax Assets, Net of Valuation Allowance, Total		5.6
Additional Paid in Capital, Total		$ (16.4)
The 2.75% Convertible Notes [Member]
Debt Instrument, Interest Rate, Stated Percentage	2.75%
Convertible Debt [Member] | The 2.75% Convertible Notes [Member]
Debt Instrument, Interest Rate, Stated Percentage			2.75%
Long-Term Debt, Gross	$ 230
Convertible Debt Instrument, Shares Per $1,000 of Principal Converted	31.7776
Debt Instrument, Convertible, Conversion Price (in dollars per share)	$ 31.47
Debt Instrument, Convertible, Percent of Share Price to Conversion Price, Trigger	130%
Debt Instrument, Convertible, Percent of Principal Amount Potentially Repurchaseable	100%

Note 3 - Discontinued Operati_3

Note 3 - Discontinued Operations and Held-for-sale (Details Textual) - USD ($) $ in Thousands				3 Months Ended		6 Months Ended
	Jun. 30, 2022	Mar. 16, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Proceeds From the Sale of Discontinued Operations						$ 142,571	$ 0
Operating Lease, Right-of-Use Asset	$ 45,404		$ 47,181	$ 45,404	$ 47,181	45,404	47,181	$ 49,312
Gain (Loss) on Disposition of Assets, Total				385	1,052	717	3,297
Sale-leaseback Associated with Two Properties in California [Member]
Sale Leaseback Transaction, Net Book Value, Total			11,100		11,100		11,100
Operating Lease, Right-of-Use Asset			2,400		$ 2,400		$ 2,400
Gain (Loss) on Disposition of Assets, Total			$ 29,700
Sale-leaseback Associated Property in Arizona [Member]
Sale Leaseback Transaction, Net Book Value, Total	3,800			3,800		3,800
Operating Lease, Right-of-Use Asset	1,100			$ 1,100		$ 1,100
Gain (Loss) on Disposition of Assets, Total	$ 8,200
Inliner [Member]
Disposal Group, Including Discontinued Operation, Consideration		$ 159,700
Proceeds From the Sale of Discontinued Operations		142,600
Gain (Loss) on Sale of Discontinued Operations		$ 6,200

Note 3 - Discontinued Operati_4

Note 3 - Discontinued Operations - Assets and Liabilities Held-for-sale (Details) - WMS Inliner [Member] - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021
Cash and cash equivalents	$ 8,617	$ 16,496	$ 15,561
Receivables, net	62,626	102,208	103,024
Contract assets	19,148	41,340	39,941
Inventories	12,490	19,625	21,840
Other current assets	1,142	1,781	3,901
Property and equipment, net	38,767	70,912	84,247
Investments in affiliates	53,240	48,675	50,309
Goodwill	19,985	63,063	63,124
Right of use assets	6,032	12,365	12,038
Other noncurrent assets	732	16,176	20,410
Total assets classified as held-for-sale	222,779	392,641	414,395
Accounts payable	18,429	37,997	44,850
Contract liabilities	3,466	7,129	8,435
Other current liabilities	21,737	27,764	26,202
Long-term lease liabilities	3,060	8,352	8,239
Other long-term liabilities	14	2,166	2,337
Total liabilities classified as held-for-sale	$ 46,706	$ 83,408	$ 90,063

Note 3 - Discontinued Operati_5

Note 3 - Discontinued Operations - Discontinued Operations (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Gain on sale of discontinued operations				$ (6,234)	$ 0
Net income from discontinued operations		$ 19,521	$ 29,602	25,617	26,680
WMS Inliner [Member]
Revenue		85,554	129,501	188,516	233,082
Cost of revenue		70,386	110,787	159,113	204,762
Gross profit		15,168	18,714	29,403	28,320
Selling, general and administrative expenses		6,960	15,440	18,580	30,008
Other costs		(3,565)	85	(2,223)	1,611
Gain on sale of discontinued operations		0	0	(6,234)	0
Gain on sales of property and equipment, net (1), (2)	[1],[2]	(8,530)	(30,583)	(8,796)	(30,893)
Operating income		20,303	33,772	28,076	27,594
Other income, net		(4,426)	(3,739)	(6,034)	(6,297)
Income from discontinued operations before income taxes		24,729	37,511	34,110	33,891
Provision for income taxes		5,208	7,909	8,493	7,211
Net income from discontinued operations		$ 19,521	$ 29,602	$ 25,617	$ 26,680
[1]In June 2021, we completed a sale-leaseback transaction for two properties in California. The sale of these properties resulted in a reduction in net property and equipment of $11.1 million and a $2.4 million addition to both right of use assets and lease liabilities on the held-for-sale balance sheets, as well as a $29.7 million gain on sales of property and equipment on the discontinued operations statements of operations.[2]In June 2022, we completed a sale-leaseback transaction on a property in Arizona. The sale of this property resulted in a reduction in net property and equipment of $3.8 million and a $1.1 million addition to both right of use assets and lease liabilities on the held-for-sale balance sheets, as well as an $8.2 million gain on sales of property and equipment on the discontinued operations statements of operations

Note 3 - Discontinued Operati_6

Note 3 - Discontinued Operations - Cash Flows for Discontinued Operations (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Gain on sale of discontinued operations				$ 6,234	$ 0
Proceeds From the Sale of Discontinued Operations				142,571	0
WMS Inliner [Member]
Depreciation, depletion and amortization	[1]			0	20,239
Gain on sale of discontinued operations		$ 0	$ 0	6,234	0
Gain on sale of property and equipment				8,796	30,893
Purchases of property and equipment				5,597	7,775
Proceeds from sales of property and equipment				12,697	44,287
Proceeds From the Sale of Discontinued Operations				$ 142,571	$ 0
[1]In accordance with ASC Topic 360, Property, Plant, and Equipment, we ceased recording depreciation and amortization for WMS property, plant and equipment, finite-lived tangible assets and right-of-use lease assets as of December 31, 2021.

Note 4 - Revisions in Estimat_3

Note 4 - Revisions in Estimates (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Gross Profit, Total	$ 78,480	$ 98,232	$ 128,255	$ 151,944
Revisions in Estimates [Member]
Gross Profit, Total			$ 5,000

Note 4 - Revisions in Estimat_4

Note 4 - Revisions in Estimates - Summary of Impact of Revisions in Estimates to Gross Profit (Details) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022 USD ($) $ / shares	Jun. 30, 2021 USD ($) $ / shares	Jun. 30, 2022 USD ($) $ / shares	Jun. 30, 2021 USD ($) $ / shares
Range of reduction in gross profit from each project, net	$ 78,480	$ 98,232	$ 128,255	$ 151,944
Decrease to project profitability	(404)	33,855	(21,652)	(50,303)
Net income (loss)	16,568	55,747	6,747	(9,576)
Decrease to net income/increase to net loss attributable to Granite Construction Incorporated from continuing operations	$ 17,151	$ 54,461	$ 4,212	$ (11,734)
Diluted earnings (loss) per share (in dollars per share) | $ / shares	$ 0.39	$ 1.14	$ 0.10	$ (0.26)
Estimated Cost Recovery of Customer Affirmative Claims and Back Charges [Member]
Number of projects with downward estimate changes	4	0	5	2
Range of reduction in gross profit from each project, net		$ 0
Decrease to project profitability	$ 25,200	0	$ 35,600	$ 11,400
Net income (loss)	19,300	0	27,300	8,900
Amounts attributable to non-controlling interests	3,000	0	3,000	2,600
Decrease to net income/increase to net loss attributable to Granite Construction Incorporated from continuing operations	$ 16,300	$ 0	$ 24,200	$ 6,300
Diluted earnings (loss) per share (in dollars per share) | $ / shares	$ 0.37	$ 0	$ 0.54	$ 0.14
Estimated Cost Recovery of Customer Affirmative Claims and Back Charges [Member] | Minimum [Member]
Range of reduction in gross profit from each project, net	$ 5,700	$ 5,600	$ 5,300
Estimated Cost Recovery of Customer Affirmative Claims and Back Charges [Member] | Maximum [Member]
Range of reduction in gross profit from each project, net	$ 7,600		$ 10,600	$ 6,100

Note 5 - Disaggregation of Re_3

Note 5 - Disaggregation of Revenue - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenue	$ 768,286	$ 834,671	$ 1,315,872	$ 1,401,003
CALIFORNIA
Revenue	270,929	299,121	461,003	500,343
Central [Member]
Revenue	221,307	298,714	455,762	560,387
Mountain [Member]
Revenue	276,050	236,836	399,107	340,273
Constructions [Member]
Revenue	632,260	713,425	1,107,195	1,220,396
Constructions [Member] | CALIFORNIA
Revenue	199,357	228,631	343,744	387,897
Constructions [Member] | Central [Member]
Revenue	207,406	287,994	431,499	541,287
Constructions [Member] | Mountain [Member]
Revenue	225,497	196,800	331,952	291,212
Materials [Member]
Revenue	136,026	121,246	208,677	180,607
Materials [Member] | CALIFORNIA
Revenue	71,572	70,490	117,259	112,446
Materials [Member] | Central [Member]
Revenue	13,901	10,720	24,263	19,100
Materials [Member] | Mountain [Member]
Revenue	$ 50,553	$ 40,036	$ 67,155	$ 49,061

Note 6 - Unearned Revenue (Deta

Note 6 - Unearned Revenue (Details Textual) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021
Revenue, Remaining Performance Obligation, Amount	$ 2,884,876	$ 2,595,085	$ 3,298,971
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-07-01
Revenue, Remaining Performance Obligation, Amount	$ 2,400,000
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period (Month)	12 months

Note 6 - Unearned Revenue - Sch

Note 6 - Unearned Revenue - Schedule of Unearned Revenue (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021
Unearned Revenue	$ 2,884,876	$ 2,595,085	$ 3,298,971
CALIFORNIA
Unearned Revenue	873,322	771,759	969,444
Central [Member]
Unearned Revenue	1,344,902	1,334,901	1,662,168
Mountain [Member]
Unearned Revenue	$ 666,652	$ 488,425	$ 667,359

Note 7 - Other Costs (Details T

Note 7 - Other Costs (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Loss Contingency Accrual, Provision			$ 12,000	$ 0
Nonoperating Income (Expense) [Member]
Legal, Accounting and Investigation Fees		$ 6,200		13,400
Discontinued Operations, Disposed of by Sale [Member]
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax, Total	$ 2,900		5,500
SEC Investigation [Member]
Loss Contingency Accrual, Provision	12,000
Legal Fees	$ 4,800		$ 10,600
Police Retirement System of St. Louis v. Granite Construction Incorporated, et al. [Member]
Litigation Settlement, Expense				$ 66,000

Note 8 - Contract Assets and _3

Note 8 - Contract Assets and Liabilities (Details Textual) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Contract with Customer, Liability, Cumulative Catch-up Adjustment to Revenue, Change in Estimate of Transaction Price	$ 71
Aggregate Affirmative Claim Recovery Estimate Included in Contract Asset and Liability	59.1	$ 47.7	$ 59.1	$ 47.7	$ 39
Contract With Customer Liability, Revenue Recognized Including Opening Balance	$ 47.7	28.4	$ 207.6	$ 167.6
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Brightline Trains Florida LLC [Member]
Concentration Risk, Percentage			14.20%	14%	17.20%
Performance Obligations [Member]
Contract with Customer, Liability, Cumulative Catch-up Adjustment to Revenue, Change in Estimate of Transaction Price		$ 39.4	$ 112.1	$ 100.9

Note 8 - Contract Assets and _4

Note 8 - Contract Assets and Liabilities - Component of Contract Asset and Liability Balances (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021
Costs in excess of billings and estimated earnings	$ 47,184	$ 14,158	$ 46,771
Contract retention	143,003	131,279	107,771
Total contract assets	190,187	145,437	154,542
Billings in excess of costs and estimated earnings, net of retention	159,541	169,542	139,327
Provisions for losses	19,781	30,499	27,088
Total contract liabilities	$ 179,322	$ 200,041	$ 166,415

Note 9 - Receivables, Net (Deta

Note 9 - Receivables, Net (Details Textual) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2022	Dec. 31, 2021
Working Capital (Deficit)	$ 24.9	$ 20.4
Percentage of Net Receivables, Individually, Maximum	10%
Police Retirement System of St. Louis v. Granite Construction Incorporated, et al. [Member]
Insurance Settlements Receivable	$ 63
Loan to Partner in Joint Ventures [Member] | Prime Rate [Member]
Debt Instrument, Basis Spread on Variable Rate	3%

Note 9 - Receivables, Net - Sch

Note 9 - Receivables, Net - Schedule of Receivables (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021
Gross receivables	$ 528,406	$ 465,666	$ 545,293
Less: allowance for credit losses	1,129	1,078	1,379
Total net receivables	527,277	464,588	543,914
Completed and in Progress [Member]
Billed	221,084	236,053	187,188
Unbilled	160,336	126,371	189,332
Gross receivables	381,420	362,424	376,520
Material Sales [Member]
Gross receivables	75,634	43,746	64,017
Other Business Products and Services [Member]
Gross receivables	$ 71,352	$ 59,496	$ 104,756

Note 10 - Fair Value Measurem_3

Note 10 - Fair Value Measurement (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021	Oct. 31, 2021	May 31, 2018
Derivative Liability, Notional Amount							$ 150,000
Interest Expense, Total	$ 3,896	$ 5,502	$ 7,471	$ 10,874
The 2.75% Convertible Notes [Member]
Debt Instrument, Interest Rate, Stated Percentage	2.75%		2.75%
Debt Instrument, Convertible, Carrying Amount of Equity Component		$ 26,200		$ 26,200	$ 22,600
Interest Rate Swap [Member]
Interest Expense, Total	$ 1,500		$ 2,200
Commodity Contract [Member]
Derivative, Notional Amount	15,000		15,000			$ 4,900
Gain (Loss) on Sale of Commodity Contracts	2,400		2,800
Unrealized Gain (Loss) on Derivatives and Commodity Contracts, Total	$ (500)		2,800
Derivative, Gain (Loss) on Derivative, Net, Total			$ 1,000

Note 10 - Fair Value Measurem_4

Note 10 - Fair Value Measurement - Cash and Cash Equivalents (Details) - Fair Value, Recurring [Member] - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021
Total assets	$ 4,968	$ 65,233	$ 25,039
Interest rate swap		3,514	5,770
Total liabilities		3,514	5,770
Commodity Contract [Member]
Commodity swap	2,524		1,550
Fair Value, Inputs, Level 1 [Member]
Total assets	2,444	65,233	23,489
Interest rate swap		0	0
Total liabilities		0	0
Fair Value, Inputs, Level 1 [Member] | Commodity Contract [Member]
Commodity swap	0		0
Fair Value, Inputs, Level 2 [Member]
Total assets	2,524	0	1,550
Interest rate swap		3,514	5,770
Total liabilities		3,514	5,770
Fair Value, Inputs, Level 2 [Member] | Commodity Contract [Member]
Commodity swap	2,524		1,550
Fair Value, Inputs, Level 3 [Member]
Total assets	0	0	0
Interest rate swap		0	0
Total liabilities		0	0
Fair Value, Inputs, Level 3 [Member] | Commodity Contract [Member]
Commodity swap	0		0
Money Market Funds [Member]
Cash equivalents	2,444	65,233	23,489
Money Market Funds [Member] | Fair Value, Inputs, Level 1 [Member]
Cash equivalents	2,444	65,233	23,489
Money Market Funds [Member] | Fair Value, Inputs, Level 2 [Member]
Cash equivalents	0	0	0
Money Market Funds [Member] | Fair Value, Inputs, Level 3 [Member]
Cash equivalents	$ 0	$ 0	$ 0

Note 10 - Fair Value Measurem_5

Note 10 - Fair Value Measurement - Schedule of Carrying and Fair Value Amounts (Details) - USD ($) $ in Thousands		Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021
Reported Value Measurement [Member]
Third Amended and Restated Credit Agreement - term loan (2)	[1]	$ 0	$ 123,750	$ 127,500
Fourth Amended and Restated Credit Agreement - revolver (2)	[1]	50,000	0	0
Reported Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member]
Held-to-maturity marketable securities (1)	[2]	66,675	15,600	10,850
Reported Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member]
2.75% Convertible Notes	[1],[3]	230,000	207,354	203,771
Estimate of Fair Value Measurement [Member]
Third Amended and Restated Credit Agreement - term loan (2)	[1]	0	124,598	128,639
Fourth Amended and Restated Credit Agreement - revolver (2)	[1]	50,056	0	0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member]
Held-to-maturity marketable securities (1)	[2]	65,565	15,459	10,801
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member]
2.75% Convertible Notes	[1],[3]	$ 253,000	$ 313,785	$ 333,500
[1]The fair value of the 2.75% Convertible Notes is based on the median price of the notes in an active market. The fair value of the Third Amended and Restated Credit Agreement and Fourth Amended and Restated Credit Agreement is based on borrowing rates available to us for long-term loans with similar terms, average maturities, and credit risk. See Note 15 for more information about the 2.75% Convertible Notes, the Third Amended and Restated Credit Agreement and Fourth Amended and Restated Credit Agreement.[2]All marketable securities as of June 30, 2022, December 31, 2021 and June 30, 2021 were classified as held-to-maturity and consisted of U.S. Government and agency obligations and corporate commercial paper maturing in two months to three years.[3]Excluded from the carrying value is debt discount of $22.6 million and $26.2 million as of December 31, 2021 and June 30, 2021, respectively, related to the 2.75% Convertible Notes (see Notes 2 and 15).

Note 11 - Construction Joint _3

Note 11 - Construction Joint Ventures (Details Textual) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Mar. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Contract Value of Active Construction Joint Venture Projects	$ 2,700,000		$ 2,700,000
Contract with Customer, Liability, Total	179,322	$ 166,415	179,322	$ 166,415		$ 200,041
Revenue from Contract with Customer, Including Assessed Tax	768,286	834,671	1,315,872	1,401,003
Retained Earnings (Accumulated Deficit), Total	$ 413,931	401,061	$ 413,931	401,061		410,831
Minimum [Member] | Unconsolidated Construction Corporate Joint Venture [Member]
Equity Method Investment, Ownership Percentage	20%		20%
Maximum [Member] | Unconsolidated Construction Corporate Joint Venture [Member]
Equity Method Investment, Ownership Percentage	50%		50%
Unconsolidated Construction Corporate Joint Venture [Member]
Number of Active Joint Venture Projects	8		8
Contract Value of Active Construction Joint Venture Projects	$ 9,700,000		$ 9,700,000
Contract with Customer, Liability, Total	110,300		110,300
Affirmative Claim Recovery Estimate	109,500	96,700	109,500	96,700		103,800
Back Charge Claims	2,900	14,100	2,900	14,100		10,700
Retained Earnings (Accumulated Deficit), Total	12,700	33,600	12,700	33,600		$ 28,600
Unconsolidated Construction Corporate Joint Venture [Member] | Minimum [Member]
Contract Value of Active Construction Joint Venture Projects	12,300		12,300
Contract with Customer, Liability, Total	1,100		1,100
Unconsolidated Construction Corporate Joint Venture [Member] | Maximum [Member]
Contract Value of Active Construction Joint Venture Projects	3,800		3,800
Contract with Customer, Liability, Total	34,800		34,800
Unconsolidated Construction Corporate Joint Venture [Member] | Performance Guarantee [Member]
Guarantor Obligations, Maximum Exposure, Undiscounted	110,300		110,300
Guarantor Obligations, Current Carrying Value	77,400	82,300	77,400	82,300	$ 82,100
Co-venturer [Member] | Performance Guarantee [Member]
Guarantor Obligations, Maximum Exposure, Undiscounted	199,400		199,400
Consolidated Construction Corporate Joint Venture [Member]
Contract Value of Active Construction Joint Venture Projects	$ 1,000,000		$ 1,000,000
Consolidated Construction Corporate Joint Venture [Member] | Variable Interest Entity, Primary Beneficiary [Member]
Number of Active Joint Venture Projects	9		9
Contract Value of Active Construction Joint Venture Projects	$ 1,800,000		$ 1,800,000
Contract with Customer, Liability, Total	225,900		225,900
Revenue from Contract with Customer, Including Assessed Tax	119,400	114,900	227,000	197,500
Net Cash Provided by (Used in) Continuing Operations, Total			13,400	19,400
Consolidated Construction Corporate Joint Venture [Member] | Variable Interest Entity, Primary Beneficiary [Member] | Minimum [Member]
Contract Value of Active Construction Joint Venture Projects	12,100		12,100
Contract with Customer, Liability, Total	4,700		$ 4,700
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage			50%
Consolidated Construction Corporate Joint Venture [Member] | Variable Interest Entity, Primary Beneficiary [Member] | Maximum [Member]
Contract Value of Active Construction Joint Venture Projects	439,400		$ 439,400
Contract with Customer, Liability, Total	56,200		$ 56,200
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage			70%
Construction [Member]
Revenue from Contract with Customer, Including Assessed Tax	$ 632,260	$ 713,425	$ 1,107,195	$ 1,220,396
Construction [Member] | Unconsolidated Construction Corporate Joint Venture [Member]
Contract with Customer, Liability, Revenue Recognized			$ 309,700

Note 11 - Construction Joint _4

Note 11 - Construction Joint Ventures - Unconsolidated Construction Joint Ventures Financial Information (Details) - USD ($) $ in Thousands		Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2020
Cash, cash equivalents and marketable securities		$ 148,446	$ 182,891	$ 139,381
Other current assets	[1]	672,274	661,342	795,440
Noncurrent assets		85,863	103,579	140,160
Current liabilities		228,686	307,674	432,130
Equity in construction joint ventures	[2]	174,332	161,275	161,822
Other Partners Interest in Partnerships [Member]
Unconsolidated construction joint venture assets		602,618	633,634	716,678
Unconsolidated construction joint venture liabilities	[3]	99,053	154,771	235,649
Reporting Entitys Interest in Joint Venture [Member]
Unconsolidated construction joint venture assets	[1],[4]	303,965	314,178	358,303
Unconsolidated construction joint venture liabilities		$ 129,633	$ 152,903	$ 196,481
[1]Included in this balance and in accrued expenses and other current liabilities on the condensed consolidated balance sheets as of June 30, 2022, December 31, 2021 and June 30, 2021 was $77.4 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 $12.7 million, $28.6 million and $33.6 million as of June 30, 2022, December 31, 2021 and June 30, 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 June 30, 2022, December 31, 2021 and June 30, 2021, was $109.5 million, $103.8 million and $96.7 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 $14.1 million related to Granite’s share of estimated recovery of back charge claims as of June 30, 2022, December 31, 2021 and June 30, 2021, respectively.

Note 11 - Construction Joint _5

Note 11 - Construction Joint Ventures - Schedule of Unconsolidated Construction Joint Ventures Revenue and Costs (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Cost of revenue		$ 689,806	$ 736,439	$ 1,187,617	$ 1,249,059
Net loss		16,568	55,747	6,747	(9,576)
Granite’s interest in net income (loss) (2)				(17,228)	6,972
Collaborative Arrangement [Member]
Revenue		23,190	86,901	72,845	166,623
Cost of revenue		36,265	80,453	89,534	159,789
Granite’s interest in gross profit (loss)		(13,075)	6,448	(16,689)	6,834
Granite’s interest in net income (loss) (2)	[1]	(13,601)	6,551	(17,228)	6,969
Collaborative Arrangement [Member] | Corporate Joint Venture [Member]
Revenue		91,564	263,558	252,703	495,600
Cost of revenue		93,162	249,494	251,083	497,564
Net loss		(2,871)	13,813	296	(2,190)
Collaborative Arrangement [Member] | Co-venturer [Member] | Other Partners Interest in Partnerships [Member]
Revenue	[2]	68,374	176,657	179,858	328,977
Cost of revenue	[2]	56,897	169,041	161,549	337,775
Net loss	[2]	$ 10,730	$ 7,262	$ 17,524	$ (9,159)
[1]These joint venture net income/(loss) amounts exclude our corporate overhead required to manage the joint ventures and include taxes only to the extent the applicable states have joint venture level taxes.[2]Partners’ interest and adjustments includes amounts to reconcile total revenue and total cost of revenue as reported by our partners to Granite’s interest adjusted to reflect our accounting policies and estimates primarily related to contract forecast and/or actual differences.

Note 12 - Investments in Affi_3

Note 12 - Investments in Affiliates (Details Textual) $ in Thousands	Jun. 30, 2022 USD ($)	Dec. 31, 2021 USD ($)	Jun. 30, 2021 USD ($)
Assets, Total	$ 2,291,332	$ 2,494,927	$ 2,478,898
Real Estate Entities [Member]
Number of Entities	2
Real Estate Entities [Member] | Minimum [Member]
Equity Method Investment, Ownership Percentage	10%
Real Estate Entities [Member] | Maximum [Member]
Equity Method Investment, Ownership Percentage	25%
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member]
Assets, Total	$ 110,501	$ 113,203	$ 101,457
Real Estate Entities One [Member]
Assets, Total	77,400
Asphalt Terminal Entity [Member]
Assets, Total	$ 33,100

Note 12 - Investments in Affi_4

Note 12 - Investments in Affiliates - Equity Method Investments (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021
Total investments in affiliates	$ 23,203	$ 23,368	$ 25,317
Real Estate Entities [Member]
Total investments in affiliates	9,619	9,619	11,914
Asphalt Terminal Entity [Member]
Total investments in affiliates	$ 13,584	$ 13,749	$ 13,403

Note 12 - Investments in Affi_5

Note 12 - Investments in Affiliates - Summarized Balance Sheet Information for Equity Method Investments (Details) - USD ($) $ in Thousands		Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021
Current assets		$ 1,593,276	$ 1,827,399	$ 1,566,433
Total assets		2,291,332	2,494,927	2,478,898
Current liabilities		994,246	1,069,318	1,048,286
Granite’s share of net assets		23,203	23,368	25,317
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member]
Current assets		34,822	34,374	32,528
Noncurrent assets		75,679	78,829	68,929
Total assets		110,501	113,203	101,457
Current liabilities		21,182	23,685	18,794
Long-term liabilities	[1]	32,364	48,104	29,596
Total liabilities		53,546	71,789	48,390
Net assets		$ 56,955	$ 41,414	$ 53,067
[1]This balance is primarily related to local bank debt for equipment purchases and debt associated with our real estate investments.

Note 13 - Property and Equipm_3

Note 13 - Property and Equipment, Net - Property, Plant, and Equipment (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021
Property and equipment, gross	$ 1,399,632	$ 1,342,395	$ 1,333,683
Less: accumulated depreciation and depletion	935,039	908,891	900,787
Property and equipment, net	464,593	433,504	432,896
Equipment and Vehicles [Member]
Property and equipment, gross	908,941	870,672	849,011
Mining Properties and Mineral Rights [Member]
Property and equipment, gross	206,067	191,982	195,284
Land and Land Improvements [Member]
Property and equipment, gross	109,420	108,518	117,394
Building and Building Improvements [Member]
Property and equipment, gross	97,222	96,180	98,591
Furniture and Fixtures [Member]
Property and equipment, gross	$ 77,982	$ 75,043	$ 73,403

Note 14 - Accrued Expenses an_3

Note 14 - Accrued Expenses and Other Current Liabilities - Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021
Accrued insurance	$ 82,538	$ 76,999	$ 77,436
Deficits in unconsolidated construction joint ventures	12,696	28,636	33,608
Payroll and related employee benefits	77,582	87,460	87,096
Performance guarantees	77,434	82,112	82,280
Loss Contingency Accrual, Ending Balance	129,000	129,000	66,000
Accrued legal settlement (see Note 18)	129,000	129,000	129,000
Other	43,811	48,622	50,097
Total	435,061	452,829	459,517
SEC Investigation [Member]
Loss Contingency Accrual, Ending Balance	$ 12,000	$ 0	$ 0

Note 15 - Long-term Debt and _3

Note 15 - Long-term Debt and Credit Arrangements (Details Textual) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 02, 2022
The Credit Agreement [Member]
Consolidated Leverage Ratio, Covenant Maximum	3.25		3.25		3.25
Consolidated Interest Covenant Ratio, Covenant Minimum	3		3		3
Consolidated Leverage Ratio, Actual	2.57		2.57
Consolidated Interest Coverage Ratio, Actual	6.53		6.53
The Credit Agreement [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Debt Instrument, Basis Spread on Variable Rate			1.80%
Debt Instrument, Interest Rate, Effective Percentage	3.40%		3.40%
The Credit Agreement [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | Minimum [Member]
Debt Instrument, Basis Spread on Variable Rate			1%
The Credit Agreement [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | Maximum [Member]
Debt Instrument, Basis Spread on Variable Rate			2%
The Credit Agreement [Member] | Base Rate [Member]
Debt Instrument, Basis Spread on Variable Rate			0.80%
Debt Instrument, Interest Rate, Effective Percentage	5.50%		5.50%
The Credit Agreement [Member] | Base Rate [Member] | Minimum [Member]
Debt Instrument, Basis Spread on Variable Rate			0%
The Credit Agreement [Member] | Base Rate [Member] | Maximum [Member]
Debt Instrument, Basis Spread on Variable Rate			1%
The Credit Agreement [Member] | Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 350,000		$ 350,000
Debt Instrument, Term (Year)			5 years
Line of Credit Facility, Accordion Feature, Maximum Amount	$ 200,000		$ 200,000
Line Of Credit Facility, Accordion Feature, Percentage of EBITDA	100%		100%
Line of Credit Facility, Remaining Borrowing Capacity	$ 267,100		$ 267,100
Letters of Credit Outstanding, Amount	32,900		32,900
Long-Term Line of Credit, Total	50,000		50,000
The Credit Agreement [Member] | Letter of Credit [Member]
Line of Credit Facility, Maximum Borrowing Capacity	150,000		150,000
The Credit Agreement [Member] | Financial Standby Letter of Credit [Member]
Line of Credit Facility, Maximum Borrowing Capacity	75,000		75,000
The Credit Agreement [Member] | Swingline Loans [Member]
Debt Instrument, Covenant, Minimum Acquisition Cash Consideration for Leverage Ratio	20,000		$ 20,000
The Credit Agreement [Member] | Term Loan [Member]
Debt Instrument, Redemption Price, Percentage			100%
The 2.75% Convertible Notes [Member] | Other (Income) Expense [Member]
Amortization of Debt Discount (Premium)	0	$ 1,800	$ 0	$ 3,500
Amortization of Debt Issuance Costs	$ 400	$ 300	$ 700	$ 600

Note 15 - Long-term Debt and _4

Note 15 - Long-term Debt and Credit Arrangements - Schedule of Long-term Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021
Total debt	$ 288,230	$ 339,918	$ 339,931
Debt issuance costs and other	8,230	8,814	8,660
Less current maturities	1,429	8,727	8,709
Total long-term debt	286,801	331,191	331,222
Convertible Debt [Member] | The 2.75% Convertible Notes [Member]
Total debt	230,000	207,354	203,771
Term Loan [Member] | The Credit Agreement [Member]
Total debt	0	123,750	127,500
Line of Credit [Member] | The Credit Agreement [Member] | Revolving Credit Facility [Member]
Total debt	$ 50,000	$ 0	$ 0

Note 15 - Long-term Debt and _5

Note 15 - Long-term Debt and Credit Arrangements - Schedule of Long-term Debt (Details) (Parentheticals) - The 2.75% Convertible Notes [Member]	Jun. 30, 2022	Aug. 31, 2020
Interest rate	2.75%
Convertible Debt [Member]
Interest rate		2.75%

Note 16 - Weighted Average Sh_3

Note 16 - Weighted Average Shares Outstanding and Net Income (Loss) Per Share (Details Textual) - shares	3 Months Ended	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2022	Jun. 30, 2021
The 2.75% Convertible Notes [Member]
Debt Instrument, Interest Rate, Stated Percentage	2.75%	2.75%
Restricted Stock Units (RSUs) [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	452,000	493,000	503,000
Convertible Debt Securities [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	7,309,000	7,309,000	1,066,000

Note 16 - Weighted Average Sh_4

Note 16 - Weighted Average Shares Outstanding and Net Income (Loss) Per Share - Reconciliation of the Weighted Average Shares (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Net income (loss) from continuing operations allocated to common shareholders	$ (2,370)	$ 24,859	$ (21,405)	$ (38,414)
Net income attributable to Granite Construction Incorporated from discontinued operations	19,521	29,602	25,617	26,680
Net income (loss) allocated to common shareholders	$ 17,151	$ 54,461	$ 4,212	$ (11,734)
Weighted average common shares outstanding, basic (in shares)	44,534	45,798	45,128	45,748
Dilutive effect of RSUs and convertible notes (in shares)	0	454	0	0
Dilutive effect of 2.75% Convertible Notes (in shares)	0	1,546	0	0
Weighted average common shares outstanding, diluted (in shares)	44,534	47,798	45,128	45,748
Net income (loss) from continuing operations per share (in dollars per share)	$ (0.05)	$ 0.54	$ (0.47)	$ (0.84)
Net income from discontinued operations per share (in dollars per share)	0.44	0.65	0.57	0.58
Net income (loss) per share (in dollars per share)	0.39	1.19	0.10	(0.26)
Net income (loss) from continuing operations per share (in dollars per share)	(0.05)	0.52	(0.47)	(0.84)
Net income from discontinued operations per share (in dollars per share)	0.44	0.62	0.57	0.58
Net income (loss) per share (in dollars per share)	$ 0.39	$ 1.14	$ 0.10	$ (0.26)

Note 16 - Weighted Average Sh_5

Note 16 - Weighted Average Shares Outstanding and Net Income (Loss) Per Share - Reconciliation of the Weighted Average Shares (Details) (Parentheticals)	Jun. 30, 2022
The 2.75% Convertible Notes [Member]
Interest rate	2.75%

Note 17 - Income Taxes (Details

Note 17 - Income Taxes (Details Textual) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021
Loss Contingency Accrual, Ending Balance	$ 129,000	$ 129,000	$ 66,000
SEC Investigation [Member]
Loss Contingency Accrual, Ending Balance	$ 12,000	$ 0	$ 0

Note 17 - Income Taxes - Schedu

Note 17 - Income Taxes - Schedule of (Benefit from) Provision for Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Provision for (benefit from) income taxes on continuing operations	$ 2,549	$ 7,710	$ (2,782)	$ (14,047)
Effective tax rate	(630.90%)	22.80%	12.80%	27.90%

Note 18 - Contingencies - Leg_2

Note 18 - Contingencies - Legal Proceedings (Details Textual) - USD ($) $ in Thousands						3 Months Ended	6 Months Ended	12 Months Ended
	Apr. 14, 2022	Feb. 04, 2022	Feb. 03, 2022	Oct. 06, 2021	Apr. 29, 2021	Mar. 31, 2021	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021
Loss Contingency Accrual, Ending Balance							$ 129,000	$ 129,000	$ 66,000
Police Retirement System of St. Louis v. Granite Construction Incorporated, et al. [Member]
Loss Contingency, Proceeds From Insurance Recovery				$ 63,000			63,000	63,000
Gain (Loss) Related to Litigation Settlement						$ (66,000)
Litigation Settlement, Amount Awarded to Other Party					$ 129,000
Payment to Contingency Settlement Fund				129,000
Loss Contingency Accrual, Payments				66,000
Litigation Settlement, Settlement Fund Amount				$ 129,000
SEC Investigation [Member]
Loss Contingency Accrual, Ending Balance							$ 12,000	$ 0	$ 0
English v. Roberts et al. [Member]
Loss Contingency, Damages Sought, Value	$ 7,500
Steadfast Insurance Company (“Steadfast”), a subrogee of Clark/Hathaway Dinwiddie, a Joint Venture (“CHDJV”) v. Layne Christensen Company [Member] | Potential Legal Action Not Yet Taken Against the Company [Member]
Loss Contingency, Estimate of Possible Loss		$ 100,000
Steadfast Insurance Company (“Steadfast”), a subrogee of Clark/Hathaway Dinwiddie, a Joint Venture (“CHDJV”) v. Layne Christensen Company [Member] | Steadfast [Member]
Loss Contingency, Damages Sought, Value			$ 70,000
Steadfast Insurance Company (“Steadfast”), a subrogee of Clark/Hathaway Dinwiddie, a Joint Venture (“CHDJV”) v. Layne Christensen Company [Member] | CHDJV [Member]
Loss Contingency, Damages Sought, Value		$ 30,000

Note 19 - Reportable Segment _3

Note 19 - Reportable Segment Information - Segment Reporting Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Total revenue	$ 768,286	$ 834,671	$ 1,315,872	$ 1,401,003
Range of reduction in gross profit from each project, net	78,480	98,232	128,255	151,944
Depreciation, depletion and amortization	12,399	15,210	26,526	27,165
Segment assets	2,291,332	2,478,898	2,291,332	2,478,898	$ 2,494,927
Constructions [Member]
Total revenue	632,260	713,425	1,107,195	1,220,396
Range of reduction in gross profit from each project, net	61,166	76,267	109,358	129,036
Depreciation, depletion and amortization	5,595	8,864	13,389	15,482
Materials [Member]
Total revenue	136,026	121,246	208,677	180,607
Range of reduction in gross profit from each project, net	17,314	21,965	18,897	22,908
Depreciation, depletion and amortization	6,804	6,346	13,137	11,683
Operating Segments [Member]
Total revenue	812,704	881,394	1,377,193	1,459,717
Segment assets	727,082	704,700	727,082	704,700
Operating Segments [Member] | Constructions [Member]
Total revenue	632,260	713,425	1,107,195	1,220,396
Segment assets	369,160	372,952	369,160	372,952
Operating Segments [Member] | Materials [Member]
Total revenue	180,444	167,969	269,998	239,321
Segment assets	357,922	331,748	357,922	331,748
Consolidation, Eliminations [Member]
Total revenue	(44,418)	(46,723)	(61,321)	(58,714)
Consolidation, Eliminations [Member] | Constructions [Member]
Total revenue	0	0	0	0
Consolidation, Eliminations [Member] | Materials [Member]
Total revenue	$ (44,418)	$ (46,723)	$ (61,321)	$ (58,714)

Note 19 - Reportable Segment _4

Note 19 - Reportable Segment Information - Reconciliation of Segment Gross (Loss) Profit to Consolidated Loss (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Range of reduction in gross profit from each project, net	$ 78,480	$ 98,232	$ 128,255	$ 151,944
Selling, general and administrative expenses	53,162	58,628	111,663	119,789
Other costs (see Note 7)	20,177	5,868	28,391	80,177
Gain on sales of property and equipment	(385)	(1,052)	(717)	(3,297)
Total other expense, net	5,930	933	10,570	5,578
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total	$ (404)	$ 33,855	$ (21,652)	$ (50,303)