10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(Mark One)

☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended September 30, 2021

OR

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from ________ to ________

Commission file number: 1-33891

ORION GROUP HOLDINGS, INC.

(Exact name of registrant as specified in its charter)

Delaware State of Incorporation	26-0097459 IRS Employer Identification Number
12000 Aerospace Avenue, Suite 300 Houston, Texas 77034 Address of Principal Executive Office	(713) 852-6500 Registrant’s telephone number (including area code)

Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class	Trading Symbol(s)	Name of Each Exchange on Which Registered
Common stock, $0.01 par value per share	ORN	The New York Stock Exchange

Securities registered pursuant to Section 12(g) of the Act:  None

Indicate by check mark if the Registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act:  ◻ Yes ☑ No

Indicate by check mark if the Registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act:   ◻ Yes ☑ No

Indicate by check mark whether the Registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the Registrant was required to file such reports) and (2) has been subject to such filing requirements for the past 90 days:   ☑ Yes ☐ No

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate website, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files

Yes ☑  No ☐

Indicate by check mark whether the Registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the definition of “large accelerated filer”, "accelerated filer", "small reporting" company and "emerging growth" company in Rule 12b-2 of the Exchange Act (Check One):

Large Accelerated Filer ☐ Accelerated Filer ☑ Non-accelerated filer ☐ Smaller reporting company ☑ Emerging growth company ☐

If an emerging growth company, initiate by check mark if the registrant has elected not to use the extended transition period for complying with any, new or revised financial accounting standards provided pursuant to Section 13 (a) of the Exchange Act.

Indicate by check mark whether the Registrant is a shell company (as defined in Rule 12b-2 of the Act) ☐ Yes ☑ No

There were 31,059,311 shares of common stock outstanding as of October 28, 2021.

ORION GROUP HOLDINGS, INC.

Quarterly Report on Form 10-Q for the period ended September 30, 2021

Index

		Page
PART I	FINANCIAL INFORMATION
Item 1.	Financial Statements (Unaudited)
	Condensed Consolidated Balance Sheets at September 30, 2021 and December 31, 2020	3
	Condensed Consolidated Statements of Operations for the Three and Nine Months Ended September 30, 2021 and 2020	4
	Condensed Consolidated Statements of Comprehensive (Loss) Income for the Three and Nine Months Ended September 30, 2021 and 2020	5
	Condensed Consolidated Statements of Stockholders’ Equity for the Three and Nine Months Ended September 30, 2021 and 2020	6
	Condensed Consolidated Statements of Cash Flows for the Nine Months Ended September 30, 2021 and 2020	7
	Notes to Condensed Consolidated Financial Statements	8
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	35
Item 3.	Quantitative and Qualitative Disclosures about Market Risk	46
Item 4.	Controls and Procedures	46
PART II	OTHER INFORMATION
Item 1.	Legal Proceedings	47
Item 1A.	Risk Factors	47
Item 2.	Unregistered Sale of Equity Securities and Use of Proceeds	47
Item 3.	Defaults upon Senior Securities	47
Item 4.	Mine Safety Disclosures	47
Item 5.	Other Information	47
Item 6.	Exhibits	47
SIGNATURES		49

2

Part

PART I.FINANCIAL INFORMATION

ITEM 1.FINANCIAL STATEMENTS

Orion Group Holdings, Inc. and Subsidiaries

Condensed Consolidated Balance Sheets

(In Thousands, Except Share and Per Share Information)

	September 30,		December 31,
	2021		2020
	(Unaudited)
Current assets:
Cash and cash equivalents	$	893	$	1,589
Accounts receivable:
Trade, net of allowance for credit losses of $323 and $411, at September 30, 2021 and December 31, 2020, respectively		83,984		96,369
Retainage		39,176		36,485
Income taxes receivable		483		419
Other current		66,041		59,492
Inventory		1,311		1,548
Contract assets		17,670		32,271
Prepaid expenses and other		5,498		7,229
Total current assets		215,056		235,402
Property and equipment, net of depreciation		106,685		125,497
Operating lease right-of-use assets, net of amortization		15,193		18,874
Financing lease right-of-use assets, net of amortization		12,135		12,858
Inventory, non-current		5,628		6,455
Intangible assets, net of amortization		8,936		10,077
Deferred income tax asset		41		70
Other non-current		4,681		4,956
Total assets	$	368,355	$	414,189
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:
Current debt, net of debt issuance costs	$	19,139	$	4,344
Accounts payable:
Trade		31,163		48,252
Retainage		762		716
Accrued liabilities		83,419		84,637
Income taxes payable		332		639
Contract liabilities		25,631		33,135
Current portion of operating lease liabilities		3,970		4,989
Current portion of financing lease liabilities		1,408		3,901
Total current liabilities		165,824		180,613
Long-term debt, net of debt issuance costs		295		29,523
Operating lease liabilities		12,033		14,537
Financing lease liabilities		10,324		8,376
Other long-term liabilities		23,007		19,837
Deferred income tax liability		198		207
Interest rate swap liability		—		1,602
Total liabilities		211,681		254,695
Stockholders’ equity:
Preferred stock -- $0.01 par value, 10,000,000 authorized, none issued		—		—
Common stock -- $0.01 par value, 50,000,000 authorized, 31,779,706 and 31,171,804 issued; 31,068,475 and 30,460,573 outstanding at September 30, 2021 and December 31, 2020, respectively		318		312
Treasury stock, 711,231 shares, at cost, as of September 30, 2021 and December 31, 2020, respectively		(6,540)		(6,540)
Accumulated other comprehensive loss		—		(1,602)
Additional paid-in capital		185,633		184,324
Retained loss		(22,737)		(17,000)
Total stockholders’ equity		156,674		159,494
Total liabilities and stockholders’ equity	$	368,355	$	414,189

The accompanying notes are an integral part of these condensed consolidated financial statements

3

Orion Group Holdings, Inc. and Subsidiaries

Condensed Consolidated Statements of Operations

(In Thousands, Except Share and Per Share Information)

(Unaudited)

	Three months ended September 30,				Nine months ended September 30,
	2021		2020		2021		2020
Contract revenues	$	139,907	$	189,433	$	439,091	$	539,766
Costs of contract revenues		133,329		166,932		404,757		476,763
Gross profit		6,578		22,501		34,334		63,003
Selling, general and administrative expenses		15,733		15,270		44,078		47,651
Amortization of intangible assets		380		519		1,141		1,552
Gain on disposal of assets, net		(792)		(6,373)		(9,763)		(7,734)
Operating (loss) income		(8,743)		13,085		(1,122)		21,534
Other (expense) income:
Other income		50		115		159		251
Interest income		22		57		73		151
Interest expense		(523)		(1,151)		(4,506)		(3,722)
Other expense, net		(451)		(979)		(4,274)		(3,320)
(Loss) income before income taxes		(9,194)		12,106		(5,396)		18,214
Income tax expense		1,001		303		341		1,660
Net (loss) income	$	(10,195)	$	11,803	$	(5,737)	$	16,554
Basic (loss) earnings per share	$	(0.33)	$	0.39	$	(0.19)	$	0.55
Diluted (loss) earnings per share	$	(0.33)	$	0.39	$	(0.19)	$	0.55
Shares used to compute (loss) income per share:
Basic		30,979,207		30,372,310		30,707,426		30,020,258
Diluted		30,979,207		30,372,310		30,707,426		30,020,258

The accompanying notes are an integral part of these condensed consolidated financial statements

4

Orion Group Holdings, Inc. and Subsidiaries

Condensed Consolidated Statements of Comprehensive (Loss) Income

(In Thousands)

(Unaudited)

	Three months ended September 30,				Nine months ended September 30,
	2021		2020		2021		2020
Net (loss) income	$	(10,195)	$	11,803	$	(5,737)	$	16,554
Change in fair value of cash flow hedge, net of tax expense of $368 for the nine months ended September 30, 2021 and net of tax expense of $44 and tax benefit of $173 for the three and nine months ended September 30, 2020, respectively.		—		150		1,234		(577)
Total comprehensive (loss) income	$	(10,195)	$	11,953	$	(4,503)	$	15,977

The accompanying notes are an integral part of these condensed consolidated financial statements

5

Orion Group Holdings, Inc. and Subsidiaries

Condensed Consolidated Statements of Stockholders’ Equity

(In Thousands, Except Share and Per Share Information)

(Unaudited)

	Common			Treasury			Accumulated Other		Additional
	Stock			Stock			Comprehensive		Paid-In		Retained
	Shares	Amount		Shares	Amount		Loss		Capital		Earnings (Loss)		Total
Balance, December 31, 2020	31,171,804	$	312	(711,231)	$	(6,540)	$	(1,602)	$	184,324	$	(17,000)	$	159,494
Stock-based compensation	—		—	—		—		—		383		—		383
Exercise of stock options	23,755		—	—		—		—		86		—		86
Payments related to tax withholding for stock-based compensation	(6,673)		—	—		—		—		(36)		—		(36)
Cash flow hedge	—		—	—		—		230		—		—		230
Net income	—		—	—		—		—		—		928		928
Balance, March 31, 2021	31,188,886	$	312	(711,231)	$	(6,540)	$	(1,372)	$	184,757	$	(16,072)	$	161,085
Stock-based compensation	—		—	—		—		—		1,245		—		1,245
Issuance of restricted stock	489,850		5	—		—		—		(5)		—		—
Forfeiture of restricted stock	(27,983)		—	—		—		—		—		—		—
Payments related to tax withholding for stock-based compensation	(32,755)		(1)	—		—		—		(204)		—		(205)
Cash flow hedge	—		—	—		—		1,372		—		—		1,372
Net income	—		—	—		—		—		—		3,530		3,530
Balance, June 30, 2021	31,617,998	$	316	(711,231)	$	(6,540)	$	—	$	185,793	$	(12,542)	$	167,027
Stock-based compensation	—		—	—		—		—		526		—		526
Exercise of stock options	4,791		—	—		—		—		24		—		24
Issuance of restricted stock	287,681		3	—		—		—		(3)		—		—
Payments related to tax withholding for stock-based compensation	(130,764)		(1)	—		—		—		(707)		—		(708)
Net loss	—		—	—		—		—		—		(10,195)		(10,195)
Balance, September 30, 2021	31,779,706	$	318	(711,231)	$	(6,540)	$	—	$	185,633	$	(22,737)	$	156,674

	Common			Treasury			Accumulated Other		Additional
	Stock			Stock			Comprehensive		Paid-In		Retained
	Shares	Amount		Shares	Amount		Loss		Capital		Earnings (Loss)		Total
Balance, December 31, 2019	30,303,395	$	303	(711,231)	$	(6,540)	$	(1,045)	$	182,523	$	(37,220)	$	138,021
Stock-based compensation	—		—	—		—		—		462		—		462
Issuance of restricted stock	185,356		2	—		—		—		(2)		—		—
Forfeiture of restricted stock	(3,351)		—	—		—		—		—		—		—
Cash flow hedge	—		—	—		—		(984)		—		—		(984)
Net income	—		—	—		—		—		—		2,723		2,723
Balance, March 31, 2020	30,485,400	$	305	(711,231)	$	(6,540)	$	(2,029)	$	182,983	$	(34,497)	$	140,222
Stock-based compensation	—		—	—		—		—		1,167		—		1,167
Issuance of restricted stock	638,938		6	—		—		—		(6)		—		—
Forfeiture of restricted stock	(54,510)		—	—		—		—		—		—		—
Payments related to tax withholding for stock-based compensation	(9,727)		—	—		—		—		(24)		—		(24)
Cash flow hedge	—		—	—		—		40		—		—		40
Net income	—		—	—		—		—		—		2,028		2,028
Balance, June 30, 2020	31,060,101	$	311	(711,231)	$	(6,540)	$	(1,989)	$	184,120	$	(32,469)	$	143,433
Stock-based compensation	—		—	—		—		—		258		—		258
Issuance of restricted stock	118,750		1	—		—		—		(1)		—		—
Forfeiture of restricted stock	—		—	—		—		—		—		—		—
Purchase of vested stock-based awards	(52,525)		(1)	—		—		—		(163)				(164)
Cash flow hedge	—		—	—		—		194		—		—		194
Net income	—		—	—		—		—		—		11,803		11,803
Balance, September 30, 2020	31,126,326	$	311	(711,231)	$	(6,540)	$	(1,795)	$	184,214	$	(20,666)	$	155,524

The accompanying notes are an integral part of these condensed consolidated financial statements

6

Orion Group Holdings, Inc. and Subsidiaries

Condensed Consolidated Statements of Cash Flows

(in thousands)

(Unaudited)

	Nine months ended September 30,
	2021		2020
Cash flows from operating activities:
Net (loss) income	$	(5,737)	$	16,554
Adjustments to reconcile net income to net cash used in operating activities:
Operating activities:
Depreciation and amortization		16,881		18,175
Amortization of ROU operating leases		3,967		4,449
Amortization of ROU finance leases		2,259		2,487
Write-off of debt issuance costs upon debt extinguishment		790		—
Amortization of deferred debt issuance costs		430		529
Deferred income taxes		20		27
Stock-based compensation		2,154		1,887
Gain on disposal of assets, net		(9,763)		(7,734)
Allowance for credit losses		—		(487)
Change in operating assets and liabilities:
Accounts receivable		10,402		12,151
Income tax receivable		(64)		—
Inventory		279		(291)
Prepaid expenses and other		2,006		1,667
Contract assets		14,601		(1,807)
Accounts payable		(16,841)		(22,583)
Accrued liabilities		(5,530)		26,282
Operating lease liabilities		(3,803)		(4,079)
Income tax payable		(307)		(1,037)
Contract liabilities		(7,504)		(7,814)
Net cash provided by operating activities		4,240		38,376
Cash flows from investing activities:
Proceeds from sale of property and equipment		25,643		5,821
Purchase of property and equipment		(11,594)		(9,444)
Contributions to CSV life insurance		—		(99)
Insurance claim proceeds related to property and equipment		440		1,525
Net cash provided by (used in) investing activities		14,489		(2,197)
Cash flows from financing activities:
Borrowings from Credit Facility		33,000		10,000
Payments made on borrowings from Credit Facility		(49,086)		(41,225)
Loan costs from Credit Facility		—		(369)
Payments of finance lease liabilities		(2,500)		(2,751)
Payments related to tax withholding for stock-based compensation		(949)		(188)
Exercise of stock options		110		—
Net cash used in financing activities		(19,425)		(34,533)
Net change in cash, cash equivalents and restricted cash		(696)		1,646
Cash, cash equivalents and restricted cash at beginning of period		1,589		1,086
Cash, cash equivalents and restricted cash at end of period	$	893	$	2,732
Supplemental disclosures of cash flow information:
Cash paid during the period for:
Interest	$	2,220	$	2,676
Taxes, net of refunds	$	691	$	2,500

The accompanying notes are an integral part of these condensed consolidated financial statements

7

Orion Group Holdings, Inc. and Subsidiaries

Notes to Condensed Consolidated Financial Statements

(Tabular Amounts in thousands, Except Share and per Share Amounts)

(Unaudited)

1.Description of Business and Basis of Presentation

Description of Business

Orion Group Holdings, Inc., its subsidiaries and affiliates (hereafter collectively referred to as the "Company"), provide a broad range of specialty construction services in the infrastructure, industrial, and building sectors of the continental United States, Alaska, Canada and the Caribbean Basin. The Company’s marine segment services the infrastructure sector through marine transportation facility construction, marine pipeline construction, marine environmental structures, dredging of waterways, channels and ports, environmental dredging, design, and specialty services. Its concrete segment services the building sector by providing turnkey concrete construction services including pour and finish, dirt work, layout, forming, rebar, and mesh across the light commercial, structural and other associated business areas. The Company is headquartered in Houston, Texas with offices throughout its operating areas.

The tools used by the chief operating decision maker ("CODM") to allocate resources and assess performance are based on two reportable and operating segments: marine, which operates under the Orion brand and logo, and concrete, which operates under the TAS Commercial Concrete brand and logo.

Although we describe the business in this report in terms of the services the Company provides, its base of customers and the areas in which it operates, the Company has determined that its operations currently comprise two reportable segments pursuant to Financial Accounting Standards Board (“FASB”) Accounting Standards Codification (“ASC”) Topic 280, Segment Reporting.

In making this determination, the Company considered the similar economic characteristics of its operations that comprise its marine segment. For the marine segment, the methods used, and the internal processes employed, to deliver marine construction services are similar throughout the segment, including standardized estimating, project controls and project management. This segment has the same customers with similar funding drivers and are subject to similar regulatory regimes driven through Federal agencies such as the U.S. Army Corps of Engineers, U.S. Fish and Wildlife Service, U.S. Environmental Protection Agency and U.S. Occupational Safety and Health Administration ("OSHA"), among others. Additionally, the segment is driven by macro-economic considerations including the level of import/export seaborne transportation, development of energy-related infrastructure, cruise line expansion and operations, marine bridge infrastructure development, waterway pipeline crossings and the maintenance of waterways. These considerations, and others, are key catalysts for future prospects and are similar across the segment.

For the concrete segment, the Company also considered the similar economic characteristics of these operations. The methods used, and the internal processes employed, to deliver concrete construction services are similar throughout the segment, including standardized estimating, project controls and project management. The projects of this segment are subject to similar regulatory regimes such as OSHA. Additionally, this segment is driven by macro-economic considerations, including movements in population, commercial real estate development, institutional funding and expansion, and recreational development, specifically in metropolitan areas of Texas. These considerations, and others, are key catalysts for current operations and future prospects and are similar across the segment.

8

Basis of Presentation

The accompanying condensed consolidated financial statements and financial information included herein have been prepared pursuant to the interim period reporting requirements of Form 10-Q. Consequently, certain information and note disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States (“U.S. GAAP”) have been condensed or omitted. Readers of this report should also read the Company’s consolidated financial statements and the notes thereto included in its Annual Report on Form 10-K for the fiscal year ended December 31, 2020 (“2020 Form 10-K”) as well as Item 7 – Management’s Discussion and Analysis of Financial Condition and Results of Operations also included in its 2020 Form 10-K.

In the opinion of management, the accompanying unaudited condensed consolidated financial statements contain all adjustments considered necessary for a fair presentation of the Company’s financial position, results of operations, and cash flows for the periods presented. Such adjustments are of a normal recurring nature. Interim results of operations for the three and nine months ended September 30, 2021 are not necessarily indicative of the results that may be expected for the year ending December 31, 2021.

2.Summary of Significant Accounting Policies

The preparation of condensed consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period.  Management’s estimates, judgments and assumptions are continually evaluated based on available information and experience; however, actual amounts could differ from those estimates.

On an ongoing basis, the Company evaluates the significant accounting policies used to prepare its condensed consolidated financial statements, including, but not limited to, those related to:

● Revenue recognition from construction contracts;

● The recording of accounts receivable and allowance for credit losses;

● The carrying value of property, plant and equipment;

● Leases;

● Finite and infinite-lived intangible assets, testing for indicators of impairment;

● Stock-based compensation;

● Income taxes; and

● Self-insurance

Revenue Recognition

The Company’s revenue is derived from contracts to provide marine construction, dredging, turnkey concrete services, and other specialty services. The Company’s projects are typically brief in duration and very rarely span a period of over one year. The Company determines the appropriate accounting treatment for each contract

9

before work begins and, subject to qualifications discussed in the next paragraph, generally records contract over time.

Performance obligations are promises in a contract to transfer distinct goods or services to the customer and are the unit of account under Topic 606. Each of the Company’s contracts and related change orders typically represent a single performance obligation because the Company provides an integrated service and individual goods and services are not separately identifiable. Revenue is recognized over time because control of the promised goods and services are continuously transferred to the customer over the life of the contract. For contracts with multiple performance obligations, the Company allocates the contract’s transaction price to each performance obligation using its best estimate of the stand-alone selling price of each distinct good or service. Progress is measured by the percentage of actual contract costs incurred to date to total estimated costs for each contract. This method is used because management considers contract costs incurred to be the best available measure of progress on these contracts. Contract costs include all direct costs, such as material and labor, and those indirect costs incurred that are related to contract performance such as payroll taxes and insurance. General and administrative costs are charged to expense as incurred. Upfront costs, such as costs to mobilize personnel and equipment prior to satisfying a performance obligation are capitalized and amortized over the contract performance period.

Changes in job performance, job conditions and estimated profitability, including those arising from final contract settlements, may result in revisions to costs and reported revenue and are recognized in the period in which the revisions are determined. The effect of changes in estimates of contract revenue or contract costs is recognized as an adjustment to recognized revenue on a cumulative catch-up basis. When the Company anticipates a loss on a contract that is not yet complete, it recognizes the entire loss in the period in which such losses are determined. Revenue is recorded net of any sales taxes collected and paid on behalf of the customer, if applicable.

Contract revenue is derived from the original contract price as modified by agreed-upon change orders and estimates of variable consideration related to incentive fees and change orders or claims for which price has not yet been agreed by the customer. The Company estimates variable consideration based on its assessment of the most likely amount to which it expects to be entitled. Variable consideration is included in the estimated recognition of revenue to the extent it is probable that a significant reversal of cumulative recognized revenue will not occur. A determination that the collection of a claim is probable is based upon compliance with the terms of the contract and the extent to which the Company performed in accordance therewith but does not guarantee collection in full.

Assets and liabilities derived from contracts with customers include the following:

● Accounts Receivable: Trade, net of allowance - Represent amounts billed and currently due from customers and are stated at their estimated net realizable value.

● Accounts Receivable: Retainage - Represent amounts which have not been billed to or paid by customers due to retainage provisions in construction contracts, which amounts generally become payable upon contract completion and acceptance by the customer.

● Contract Assets - Represent revenues recognized in excess of amounts billed, which management believes will be billed and collected within one year of the completion of the contract and are recorded as a current asset, until such amounts are either received or written off.

10

● Contract Liabilities - Represent billings in excess of revenues recognized and are recorded as a current liability, until the underlying obligation has been performed or discharged.

Classification of Current Assets and Liabilities

The Company includes in current assets and liabilities amounts realizable and payable in the normal course of contract completion.

Cash, Cash Equivalents and Restricted Cash

The Company considers all highly liquid investments with a maturity of three months or less when purchased to be cash equivalents. At times, cash held by financial institutions may exceed federally insured limits. The Company has not historically sustained losses on its cash balances in excess of federally insured limits. Cash equivalents at September 30, 2021 and December 31, 2020 consisted primarily of overnight bank deposits.

The Company had no restricted cash as of September 30, 2021 and December 31, 2020.  

Risk Concentrations

Financial instruments that potentially subject the Company to concentrations of credit risk principally consist of accounts receivable.

The Company depends on its ability to continue to obtain federal, state and local governmental contracts, and indirectly, on the amount of funding available to these agencies for new and current governmental projects. Therefore, a portion of the Company’s operations is dependent upon the level and timing of government funding. Statutory mechanics liens provide the Company high priority in the event of lien foreclosures following financial difficulties of private owners, thus minimizing credit risk with private customers.

Accounts Receivable

Accounts receivable are stated at the historical carrying value, net of allowances for credit losses. The Company has significant investments in billed and unbilled receivables as of September 30, 2021 and December 31, 2020. Billed receivables represent amounts billed upon the completion of small contracts and progress billings on large contracts in accordance with contract terms and milestone achievements. Unbilled receivables on contracts represent recoverable costs and accrued profits that are not yet capable of being billed under the terms of the applicable contracts. Revenue associated with these billings is recorded net of any sales tax, if applicable.

Past due balances over 90 days and other higher risk receivables identified by management are reviewed individually for collectability. In establishing an allowance for credit losses, the Company evaluates its contract receivables and contract assets and thoroughly reviews historical collection experience, the financial condition of its customers, billing disputes and other factors. The Company writes off potentially uncollectible accounts receivable against the allowance for credit losses if it is determined that the amounts will not be collected or if a settlement with respect to a disputed receivable is reached for an amount that is less than the carrying value. As of September 30, 2021, and December 31, 2020, the Company has recorded an allowance for credit losses of $0.3 million and $0.4 million, respectively.

Balances billed to customers but not paid pursuant to retainage provisions in construction contracts generally become payable upon contract completion and acceptance by the owner. Retainage at September 30, 2021

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totaled $39.2 million, of which $4.3 million is expected to be collected beyond September 30, 2022. Retainage at December 31, 2020 totaled $36.5 million.

From time to time, the Company negotiates change orders and claims with its customers. Unsuccessful negotiations of claims could result in a change to contract revenue that is less than amounts previously recorded, which could result in the recording of a loss in the amount of the shortfall. Successful claims negotiations could result in the recovery of previously recorded losses. Significant losses on receivables could adversely affect the Company’s financial position, results of operations and overall liquidity.

Advertising Costs

The Company primarily obtains contracts through the open bid process, and therefore advertising costs are not a significant component of expense. Advertising costs are expensed as incurred.

Environmental Costs

Costs related to environmental remediation are charged to expense. Other environmental costs are also charged to expense unless they increase the value of the property and/or provide future economic benefits, in which event the costs are capitalized. Environmental liabilities, if any, are recognized when the liability is considered probable and the amount can be reasonably estimated. The Company did not recognize any environmental liabilities as of September 30, 2021 or December 31, 2020.

Fair Value Measurements

The Company evaluates and presents certain amounts included in the accompanying condensed consolidated financial statements at “fair value” in accordance with U.S. GAAP, which requires the Company to base its estimates on assumptions that market participants, in an orderly transaction, would use to price an asset or liability, and to establish a hierarchy that prioritizes the information used to determine fair value. Refer to Note 8 for more information regarding fair value determination.

The Company generally applies fair value valuation techniques on a non-recurring basis associated with  (1) valuing assets and liabilities acquired in connection with business combinations and other transactions; (2) valuing potential impairment loss related to long-lived assets; and (3) valuing potential impairment loss related to goodwill and indefinite-lived intangible assets.

Inventory

Current inventory consists of parts and small equipment held for use in the ordinary course of business and is valued at the lower of cost (using historical average cost) or net realizable value. Where shipping and handling costs are incurred by the Company, these charges are included in inventory and charged to cost of contract revenue upon use. Non-current inventory consists of spare parts (including engines, cutters and gears) that require special order or long-lead times for manufacture or fabrication, but must be kept on hand to reduce downtime and is valued at the lower of cost (using historical average cost) or net realizable value.

Property and Equipment

Property and equipment are recorded at cost. Ordinary maintenance and repairs that do not improve or extend the useful life of the asset are expensed as incurred. Major renewals and betterments of equipment are capitalized and depreciated generally over three to ten years until the next scheduled maintenance.

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When property and equipment are retired or otherwise disposed of, the cost and accumulated depreciation are removed from the accounts and any resulting gain or loss is included in results of operations for the respective period. Depreciation is computed using the straight-line method over the estimated useful lives of the related assets for financial statement purposes, as follows:

Automobiles and trucks	3 to 10 years
Buildings and improvements	10 to 30 years
Construction equipment	3 to 10 years
Vessels and other equipment	3 to 40 years
Office equipment	3 to 5 years

The Company generally uses accelerated depreciation methods for tax purposes where beneficial.

Dry-docking costs are capitalized and amortized using the straight-line method over a period ranging from three to seven years. Dry-docking costs include, but are not limited to, the inspection, refurbishment and replacement of steel, engine components, tailshafts, mooring equipment and other parts of the vessel. Amortization related to dry-docking activities is included as a component of depreciation. These costs and the related amortization periods are periodically reviewed to determine if the estimates are accurate. If warranted, a significant upgrade of equipment may result in a revision to the useful life of the asset, in which case the change is accounted for prospectively.

Property and equipment are reviewed for impairment whenever events or changes in circumstances indicate the carrying amount of an asset or asset group may not be recoverable. Recoverability of assets to be held and used is measured by a comparison of the carrying amount of an asset to estimated undiscounted future cash flows expected to be generated by the asset. If the carrying amount of an asset exceeds its estimated future cash flows, an impairment charge is recognized in the amount by which the carrying amount of the asset exceeds the fair value of the asset. Assets to be disposed of are separately presented in the balance sheet and reported at the lower of the carrying amount or the fair value, less the costs to sell, and are no longer depreciated. There were no assets classified as held for sale as of September 30, 2021 or December 31, 2020.

Leases

Management determines if a contract is or contains a lease at inception of the contract or modification of the contract. A contract is or contains a lease if the contract conveys the right to control the use of an identified asset for a period in exchange for consideration. Control over the use of the identified asset means the lessee has both (a) the right to obtain substantially all of the economic benefits from the use of the asset and (b) the right to direct the use of the asset.

Finance and operating lease right-of-use (“ROU”) assets and liabilities are recognized based on the present value of future minimum lease payments over the expected lease term at commencement date. As the implicit rate is not determinable in most of the Company’s leases, management uses the Company’s incremental borrowing rate based on the information available at commencement date in determining the present value of future payments. The expected lease term includes options to extend or terminate the lease when it is reasonably certain the Company will exercise such option. Lease expense for minimum lease payments is recognized on a straight-line basis over the expected lease term.

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The Company’s lease arrangements have lease and non-lease components. Leases with an expected term of 12 months or less are not accounted for on the balance sheet and the related lease expense is recognized on a straight-line basis over the expected lease term.

The Company’s lease agreements do not contain any material residual value guarantees or material restrictive covenants.

See Note 18 for more information regarding leases.

Intangible Assets

Intangible assets that have finite lives are amortized. In addition, the Company evaluates the remaining useful life of intangible assets in each reporting period to determine whether events and circumstances warrant a revision of the remaining period of amortization. If the estimate of an intangible asset’s remaining life is changed, the remaining carrying value of such asset is amortized prospectively over that revised remaining useful life. Intangible assets that have infinite lives are not amortized, but are subject to impairment testing at least annually or more frequently if events or circumstances indicate that the asset may be impaired.

The Company has one infinite-lived intangible asset, a trade name, which it tests for impairment annually on October 31, or whenever events or circumstances indicate that the carrying amount of the trade name may not be recoverable. Impairment is calculated as the excess of the trade name’s carrying value over its fair value. The fair value of the trade name is determined using the relief from royalty method, a variation of the income approach. This method assumes that if a company owns intellectual property, it does not have to “rent” the asset and is, therefore, “relieved” from paying a royalty. Once a supportable royalty rate is determined, the rate is then applied to the projected revenues over the expected remaining life of the intangible assets to estimate the royalty savings. This approach is dependent on a number of factors, including estimates of future growth and trends, royalty rates, discount rates and other variables.

See Note 9 for additional discussion of intangible assets and trade name impairment testing.

Stock-Based Compensation

The Company recognizes compensation expense for equity awards over the vesting period based on the fair value of these awards at the date of grant. The computed fair value of these awards is recognized as a non-cash cost over the period the employee provides services, which is typically the vesting period of the award. The fair value of options granted is estimated on the date of grant using the Black-Scholes option-pricing model. The Black-Scholes option-pricing model requires the use of subjective assumptions in the computation. Changes in these assumptions can cause significant fluctuations in the fair value of the option award. The fair value of restricted stock grants is equivalent to the fair value of the stock issued on the date of grant and is measured as the closing price of the stock on the date of grant.

Compensation expense is recognized only for stock-based payments expected to vest. The Company estimates forfeitures at the date of grant based on historical experience and future expectations. This assessment is updated on a periodic basis. See Note 15 for further discussion of the Company’s stock-based compensation plan.

Income Taxes

The Company determines its consolidated income tax provision using the asset and liability method prescribed by U.S. GAAP, which requires the recognition of income tax expense for the amount of taxes payable or

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refundable for the current period and for deferred tax liabilities and assets for the future tax consequences of events that have been recognized in an entity’s financial statements or tax returns. The Company must make significant assumptions, judgments and estimates to determine its current provision for income taxes, its deferred tax assets and liabilities, and any valuation allowance to be recorded against any deferred tax asset. The current provision for income tax is based upon the current tax laws and the Company’s interpretation of these laws, as well as the probable outcomes of any tax audits. The value of any net deferred tax asset depends upon estimates of the amount and category of future taxable income reduced by the amount of any tax benefits that the Company does not expect to realize. Actual operating results and the underlying amount and category of income in future years could render current assumptions, judgments and estimates of recoverable net deferred taxes inaccurate, thus impacting the Company’s financial position and results of operations. The Company computes deferred income taxes using the liability method. Under the liability method, deferred tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. Under the liability method, the effect on deferred tax assets and liabilities of a change in tax rates is recognized in income in the period that includes the enactment date.

The Company accounts for uncertain tax positions in accordance with the provisions of ASC 740, Income Taxes which prescribes a recognition threshold and measurement attribute for financial statement disclosure of tax positions taken, or expected to be taken, on its consolidated tax return. The Company evaluates and records any uncertain tax positions based on the amount that management deems is more likely than not to be sustained upon examination and ultimate settlement with the tax authorities in the tax jurisdictions in which it operates.

See Note 13 for additional discussion of income taxes.

Insurance Coverage

The Company maintains insurance coverage for its business and operations. Insurance related to property, equipment, automobile, general liability, and a portion of workers’ compensation is provided through traditional policies, subject to a deductible or deductibles. A portion of the Company’s workers’ compensation exposure is covered through a mutual association, which is subject to supplemental calls.

The marine segment maintains five levels of excess loss insurance coverage, totaling $200 million in excess of primary coverage. The marine segment’s excess loss coverage responds to most of its policies when a primary limit of $1 million has been exhausted; provided that the primary limit for Contingent Maritime Employer’s Liability is $10 million and the Watercraft Pollution Policy primary limit is $5 million. The concrete segment maintains five levels of excess loss insurance coverage, totaling $200 million in excess of primary coverage. The concrete segment’s excess loss coverage responds to most of its policies when a primary limit of $1 million has been exhausted.

If a claim arises and a potential insurance recovery is probable, the impending gain is recognized separately from the related loss. The recovery will only be recognized up to the amount of the loss once the recovery of the claim is deemed probable and any excess gain will fall under contingency accounting and will only be recognized once it is realized. The Company does not net insurance recoveries against the related claim liability as the amount of the claim liability is determined without consideration of the anticipated insurance recoveries from third parties.

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Separately, the Company’s marine segment employee health care is paid for by general assets of the Company and currently administered by a third party. The administrator has purchased appropriate stop-loss coverage. Losses on these policies up to the deductible amounts are accrued based upon known claims incurred and an estimate of claims incurred but not reported. The accruals are derived from known facts, historical trends and industry averages to determine the best estimate of the ultimate expected loss.  Actual claims may vary from estimates. Any adjustments to such reserves are included in the Condensed Consolidated Results of Operations in the period in which they become known. The Company’s concrete segment employee health care is provided through two policies. A fully funded policy is offered primarily to salaried employees and their dependents while a partially self-funded plan with an appropriate stop-loss is offered primarily to hourly employees and their dependents. The self-funded plan is funded to the maximum exposure and, as a result, is expected to receive a partial refund after the policy expiration.

The total accrual for insurance claims liabilities was $67.4 million and $60.4 million at September 30, 2021 and December 31, 2020, respectively, reflected as a component of accrued liabilities in the condensed consolidated balance sheet. The total accrual for insurance claims receivable was $63.9 million and $57.0 million at September 30, 2021 and December 31, 2020, respectively, reflected as a component of other current accounts receivable in the condensed consolidated balance sheet.

Accounting Standards Adopted in 2021

The Financial Accounting Standards Board (“FASB”) issues accounting standards and updates (each, an "ASU") from time to time to its Accounting Standards Codification (‘ASC’), which is the primary source of U.S. GAAP. The Company regularly monitors ASUs as they are issued and considers applicability to its business. All ASUs are adopted by their respective due dates and in the manner prescribed by the FASB.

In December 2019, the FASB issued ASU 2019-12, Income Taxes: Simplifying the Accounting for Income Taxes (Topic 740).  This standard simplifies the accounting for income taxes by eliminating certain exceptions to the guidance in Topic 740 related to the approach for intra-period tax allocation, the methodology for calculating income taxes in an interim period and the recognition of deferred tax liabilities for outside basis differences. The standard also simplifies aspects of the accounting for franchise taxes and enacted changes in tax laws or rates and clarifies the accounting for transactions that result in a step-up in the tax basis of goodwill. ASU 2019-12 is effective for fiscal years beginning after December 15, 2020 and interim periods within that year. The adoption of this ASU had no material impact on the Company’s Condensed Consolidated Financial Statements.  

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3.Revenue

Contract revenues are recognized when control of the promised goods or services is transferred to the customer in an amount that reflects the consideration the Company expects to be entitled to in exchange for those goods or services. The following table represents a disaggregation of the Company’s contract revenues by service line for the marine and concrete segments:

	Three months ended September 30,				Nine months ended September 30,
	2021		2020		2021		2020
Marine Segment
Construction	$	38,883	$	86,505	$	121,678	$	205,459
Dredging		13,157		24,262		58,511		79,391
Specialty Services		2,699		2,114		10,638		5,699
Marine segment contract revenues	$	54,739	$	112,881	$	190,827	$	290,549
Concrete Segment
Structural	$	13,090	$	21,116	$	47,296	$	66,893
Light Commercial		72,078		55,436		200,961		182,311
Other		—		—		7		13
Concrete segment contract revenues	$	85,168	$	76,552	$	248,264	$	249,217
Total contract revenues	$	139,907	$	189,433	$	439,091	$	539,766

The Company has determined that it has two reportable segments pursuant to FASB ASC Topic 280, Segment Reporting, but has disaggregated its contract revenues in the above chart in terms of services provided within such segments. In making this determination, the Company considered the similar characteristics of its operations as discussed in Note 1. Additionally, as discussed, both the marine and concrete segments have limited contracts with multiple performance obligations. The Company’s contracts are often estimated and bid as one project and evaluated as to performance as one project, not by individual services performed by each. Both the marine and concrete segments have a single Executive Vice President responsible for the entire segment, not by service lines of the segments. Resources are allocated by segment and financial and budgetary information is compiled and reviewed by segment, not service line.

Marine Segment

Construction services include construction, restoration, maintenance, dredging and repair of marine transportation facilities, marine pipelines, bridges and causeways and marine environmental structures. Dredging services generally enhance or preserve the navigability of waterways or the protection of shorelines through the removal or replenishment of soil, sand or rock. Specialty services include design, salvage, demolition, surveying, towing, diving and underwater inspection, excavation and repair.

Concrete Segment

Structural services include elevated concrete pouring for products such as columns, elevated beams and structural walls. Light commercial services include horizontally poured concrete for products such as sidewalks, ramps, tilt walls and trenches. Other services comprise labor related to concrete pouring such as rebar installation and pumping services and typically support the Company’s structural and light commercial services.

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4.Concentration of Risk and Enterprise-Wide Disclosures

Accounts receivable in both reportable segments include amounts billed to governmental agencies and private customers and do not bear interest. Balances billed to customers but not paid pursuant to retainage provisions generally become payable upon contract completion and acceptance by the owner.

The table below presents the concentrations of accounts receivable from customers (trade and retainage) at September 30, 2021 and December 31, 2020, respectively:

	September 30, 2021				December 31, 2020
Federal Government	$	3,028	2	%	$	4,826	4	%
State Governments		418	1	%		—	-	%
Local Governments		13,927	11	%		17,823	13	%
Private Companies		106,110	86	%		110,616	83	%
Gross receivables		123,483	100	%		133,265	100	%
Allowance for credit losses		(323)				(411)
Net receivables	$	123,160			$	132,854

At September 30, 2021, no single customer accounted for more than 10.0% of total current receivables. At December 31, 2020, no single customer accounted for more than 10.0% of total current receivables.

Additionally, the table below represents concentrations of contract revenue by type of customer for the three and nine months ended September 30, 2021 and 2020, respectively:

	Three months ended September 30,								Nine months ended September 30,
	2021		%		2020		%		2021		%		2020		%
Federal Government	$	14,716	11	%	$	16,499	9	%	$	39,825	9	%	$	32,720	6	%
State Governments		400	-	%		6,322	3	%		814	-	%		27,646	5	%
Local Government		22,765	16	%		54,316	29	%		94,857	22	%		158,176	29	%
Private Companies		102,026	73	%		112,296	59	%		303,595	69	%		321,224	60	%
Total contract revenues	$	139,907	100	%	$	189,433	100	%	$	439,091	100	%	$	539,766	100	%

In the three months ended September 30, 2021, no single customer exceeded 10.0% of total contract revenues. In the three months ended September 30, 2020, one customer in the Local Governments category accounted for 13.8% of total contract revenues. In the nine months ended September 30, 2021, no single customer exceeded 10.0% of total contract revenues. In the nine months ended September 30, 2020, one customer in the Local Governments category accounted for 11.2% of total contract revenues.

The Company does not believe that the loss of any one of its customers would have a material adverse effect on the Company or its subsidiaries and affiliates since no single specific customer sustains such a large portion of receivables or contract revenue over time.

The concrete segment primarily purchases concrete from select suppliers. The loss of any one of these suppliers could adversely impact short-term operations.

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Contract revenues generated outside the United States totaled 0.0% and 0.9% of total revenues for the three months ended September 30, 2021 and 2020, respectively, and 0.6% and 1.8% for the nine months ended September 30, 2021 and 2020, respectively, and were primarily located in the Caribbean Basin and Mexico.

5.Contracts in Progress

Contracts in progress are as follows at September 30, 2021 and December 31, 2020:

	September 30,		December 31,
	2021		2020
Costs incurred on uncompleted contracts	$	1,245,434	$	1,151,987
Estimated earnings		189,553		202,369
		1,434,987		1,354,356
Less: Billings to date		(1,442,948)		(1,355,220)
	$	(7,961)	$	(864)
Included in the accompanying Condensed Consolidated Balance Sheets under the following captions:
Contract assets	$	17,670	$	32,271
Contract liabilities		(25,631)		(33,135)
	$	(7,961)	$	(864)

Included in contract assets is approximately $3.8 million and $3.1 million at September 30, 2021 and December 31, 2020, respectively, related to claims and unapproved change orders. See Note 2 - Summary of Significant Accounting Policies to the Company’s condensed consolidated financial statements for discussion of the accounting for these claims.

Remaining performance obligations represent the transaction price of firm orders or other written contractual commitments from customers for which work has not been performed or is partially completed and excludes unexercised contract options and potential orders. As of September 30, 2021, the aggregate amount of the remaining performance obligations was approximately $572.8 million. Of this amount, the current expectation of the Company is that it will recognize $432.0 million, or 75%, in the next 12 months and the remaining balance thereafter.

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6.Property and Equipment

The following is a summary of property and equipment at September 30, 2021 and December 31, 2020:

	September 30,		December 31,
	2021		2020
Automobiles and trucks	$	2,354	$	2,379
Building and improvements		34,797		44,324
Construction equipment		137,134		142,661
Vessels and other equipment		81,928		79,499
Office equipment		6,263		5,577
		262,476		274,440
Less: Accumulated depreciation		(190,091)		(186,615)
Net book value of depreciable assets		72,385		87,825
Construction in progress		6,415		1,809
Land		27,885		35,863
	$	106,685	$	125,497

During the quarter ended June 30, 2021 the Company sold its land, building and improvements located in Tampa, Florida.  The book value of the assets and related accumulated depreciation have been removed from the balance sheet and the Company recognized a net gain on the sale of $6.7 million.

For the three months ended September 30, 2021 and 2020, depreciation expense was $5.2 million and $5.3 million, respectively. For the nine months ended September 30, 2021 and 2020, depreciation expense was $15.7 million and $16.6 million, respectively. Substantially all depreciation expense is included in the cost of contract revenue in the Company’s Condensed Consolidated Statements of Operations. Substantially all of the assets of the Company are pledged as collateral under the Company’s Credit Agreement (as defined in Note 11).

Substantially all of the Company’s long-lived assets are located in the United States.

See Note 2 to the Company’s condensed consolidated financial statements for further discussion of property and equipment.

7.Other Current Accounts Receivable

Other current accounts receivable at September 30, 2021 and December 31, 2020 consisted of the following:

	September 30, 2021		December 31, 2020
Insurance claims receivable	$	63,870	$	57,021
Accident loss receivables		1,361		1,448
Other current receivables		810		1,023
Total other current accounts receivable	$	66,041	$	59,492

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8.Fair Value

Recurring Fair Value Measurements

The fair value of financial instruments is the amount at which the instrument could be exchanged in a current transaction between willing parties. Due to their short-term nature, the Company believes that the carrying value of its accounts receivable, other current assets, accounts payable and other current liabilities approximate their fair values.

The Company classifies financial assets and liabilities into the following three levels based on the inputs used to measure fair value in the order of priority indicated:

● Level 1- fair values are based on observable inputs such as quoted prices in active markets for identical assets or liabilities;

● Level 2 - fair values are based on pricing inputs other than quoted prices in active markets for identical assets and liabilities and are either directly or indirectly observable as of the measurement date; and

● Level 3- fair values are based on unobservable inputs in which little or no market data exists.

Financial assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement. The Company’s assessment of the significance of a particular input to the fair value requires judgment and may affect the placement of assets and liabilities within the fair value hierarchy levels.

The following table sets forth by level within the fair value hierarchy the Company’s recurring financial assets and liabilities that were accounted for at fair value on a recurring basis as of September 30, 2021 and December 31, 2020:

			Fair Value Measurements
	Carrying Value		Level 1	Level 2	Level 3
September 30, 2021
Assets:
Cash surrender value of life insurance policy	$	3,417	—	3,417	—
Liabilities:
Derivatives	$	—	—	—	—
December 31, 2020
Assets:
Cash surrender value of life insurance policy	$	3,169	—	3,169	—
Liabilities:
Derivatives	$	1,602	—	1,602	—

The Company’s derivatives, which previously consisted of interest rate swaps, were valued using a discounted cash flow analysis that incorporated observable market parameters, such as interest rate yield curves and credit risk adjustments that were necessary to reflect the probability of default by us or the counterparty. These derivatives were classified as a Level 2 measurement within the fair value hierarchy. See Note 11 for additional information on the Company’s derivative instrument.

Our concrete segment has life insurance policies with a combined face value of $11.1 million as of September 30, 2021. The policies are invested in mutual funds and the fair value measurement of the cash surrender balance

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associated with these policies is determined using Level 2 inputs within the fair value hierarchy and will vary with investment performance. These assets are included in the "Other noncurrent" asset section in the Company’s Condensed Consolidated Balance Sheets.

Non-Recurring Fair Value Measurements

The Company generally applies fair value valuation techniques on a non-recurring basis associated with (1) valuing assets and liabilities acquired in connection with business combinations and other transactions; (2) valuing potential impairment loss related to long-lived assets; and (3) valuing potential impairment loss related to the infinite-lived intangible asset.

Other Fair Value Measurements

The fair value of the Company’s debt at September 30, 2021 and December 31, 2020 approximated its carrying value of $19.4 million and $35.1 million, respectively, as interest is based on current market interest rates for debt with similar risk and maturity. If the Company’s debt was measured at fair value, it would have been classified as Level 2 in the fair value hierarchy.

9.Goodwill and Intangible Assets

Intangible assets

The tables below present the activity and amortization of finite-lived intangible assets:

	September 30,		December 31,
	2021		2020
Finite-lived intangible assets, beginning of period	$	35,240	$	35,240
Additions		—		—
Total finite-lived intangible assets, end of period	$	35,240	$	35,240
Accumulated amortization, beginning of period	$	(32,055)	$	(29,985)
Current year amortization		(1,141)		(2,070)
Total accumulated amortization		(33,196)		(32,055)
Net finite-lived intangible assets, end of period	$	2,044		3,185
Infinite-lived intangible assets		6,892		6,892
Total net intangible assets	$	8,936	$	10,077

Remaining net finite-lived intangible assets were acquired as part of the purchase of TAS during 2015 and TBC during 2017 and included customer relationships. Customer relationships were valued at approximately $18.8 million and are being amortized over eight years using an accelerated method based on the pattern in which the economic benefits of the assets are consumed. For the nine months ended September 30, 2021, $1.1 million of amortization expense was recognized for these assets.

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Future expense remaining of approximately $2.0 million will be amortized as follows:

2021		379
2022		1,239
2023		389
2024		37
	$	2,044

Additionally, the Company has one indefinite-lived intangible asset, a trade name, which is tested for impairment annually on October 31, or whenever events or circumstances indicate that the carrying amount of the trade name may not be recoverable. Impairment is calculated as the excess of the trade name’s carrying value over its fair value. The fair value of the trade name is determined using the relief from royalty method, a variation of the income approach. This method assumes that if a company owns intellectual property it does not have to "rent" the asset and is, therefore, "relieved" from paying a royalty. Once a supportable royalty rate is determined, the rate is then applied to the projected revenues over the expected remaining life of the intangible assets to estimate the royalty savings. This approach is dependent on a number of factors, including estimates of future growth and trends, royalty rates, discount rates and other variables. The most recent annual impairment test concluded that the fair value of the trade name was in excess of the carrying value, therefore no impairment was recorded.

10.Accrued Liabilities

Accrued liabilities at September 30, 2021 and December 31, 2020 consisted of the following:

	September 30, 2021		December 31, 2020
Accrued salaries, wages and benefits	$	7,537	$	15,071
Accrual for insurance claims liabilities		67,414		60,365
Sales taxes		4,162		5,909
Property taxes		1,167		908
Sale-leaseback arrangement		726		676
Accounting and audit fees		213		344
Interest		22		22
Equipment purchase		—		461
Other accrued expenses		2,178		881
Total accrued liabilities	$	83,419	$	84,637

11.Long-term Debt and Line of Credit

The Company entered into an amended syndicated credit agreement (the “Credit Agreement” also known as the “Fourth Amendment”) on July 31, 2018 with Regions Bank, as administrative agent and collateral agent, and the following co-syndication agents:  Bank of America, N.A., BOKF, NA dba Bank of Texas, KeyBank National Association, NBH Bank, IBERIABANK, Trustmark National Bank, First Tennessee Bank NA, and Branch Banking and Trust Company. The Credit Agreement was subsequently amended in March 2019 (the “Fifth Amendment”), May 2019 (the “Sixth Amendment”) June 2020 (the “Seventh Amendment”) and October 2020 (the “Eighth Amendment”).  The company incurred debt issuance costs related to the initial Credit Agreement and several of the subsequent amendments.  The Credit Facility matures on July 31, 2023.

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The Credit Agreement, which may be amended from time to time, provides for borrowings under a revolving line of credit and a term loan (together, the “Credit Facility”). The Credit Facility is guaranteed by the subsidiaries of the Company, secured by the assets of the Company, including stock held in its subsidiaries, and may be used to finance general corporate and working capital purposes, to finance capital expenditures, to refinance existing indebtedness, to finance permitted acquisitions and associated fees, and to pay for all related expenses to the Credit Facility. Interest is due and is computed based on the designation of the loan, with the option of a Base Rate Loan (the base rate plus the Applicable Margin), or an Adjusted LIBOR Rate Loan (the adjusted LIBOR rate plus the Applicable Margin). Interest is due on the last day of each quarter end for Base Rate Loans and at the end of the LIBOR rate period for Adjusted LIBOR Rate Loans. Principal balances drawn under the Credit Facility may be prepaid at any time, in whole or in part, without premium or penalty. Amounts repaid under the revolving line of credit may be re-borrowed.

Total debt issuance costs for the Fourth Amendment which included underwriter fees, legal fees and syndication fees were approximately $0.9 million and were capitalized as non-current deferred charges and scheduled for amortization using the effective interest rate method over the duration of the loan. The Company incurred additional debt issuance costs of approximately $0.6 million and $0.9 million respectively for the Fifth and Sixth Amendments. With the execution of the aforementioned Sixth Amendment, $50.0 million of the existing revolving line of credit was modified and accounted for under guidelines of ASC 470-50, Debt, Modifications and Extinguishments, and a pro-rated portion of unamortized debt issuance costs of approximately $0.4 million was recognized as interest expense as of May 2019. The then remaining debt issuance costs of approximately $0.9 million related to the Fourth, Fifth, and Sixth Amendments were scheduled to be amortized over the duration of the term loan, which coincides with the term of the Credit Facility.

On June 8, 2020, the Company entered into a new syndicated credit agreement (the “364-Day Revolving Credit Facility”) with Regions Bank, as administrative agent and collateral agent, and the following co-syndication agents:  Bank of America, N.A. and BOKF, NA dba Bank of Texas. Concurrent with this the Company executed an amendment to the Credit Agreement with its existing lenders (“also known as the “Seventh Amendment”) for the sole intent and outcome of executing the 364-Day Revolving Credit Facility.

The 364-Day Revolving Credit Facility provided for borrowings of up to $20 million under a new revolving line of credit.  No funds were ever drawn on the 364-Day Revolving Credit Facility.  The 364-Day Revolving Credit Facility matured on June 7, 2021. 

Effective, October 9, 2020, the Company entered into the Eighth Amendment to the Credit Agreement") , with Regions Bank, as Administrative Agent and Collateral Agent and Bank of America, N.A., BOKF, NA dba Bank of Texas, Iberiabank, NBH Bank, Truist Bank, and Trustmark National Bank, as Lenders. The Eighth Amendment provides for administrative revisions to the Credit Agreement, including changes to repayment requirements for involuntary asset dispositions and changes to the timing of repayment for voluntary asset dispositions.  There were no debt issuance costs incurred with respect to the Eighth Amendment.

The quarterly weighted average interest rate for the Credit Facility as of September 30, 2021 was 2.92%.

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The Company’s obligations under debt arrangements consisted of the following:

	September 30, 2021						December 31, 2020
			Debt Issuance						Debt Issuance
	Principal		Costs(1)		Total		Principal		Costs(1)		Total
Revolving line of credit	$	19,000	$	—	$	19,000	$	—	$	—	$	—
Term loan - current		—		—		—		4,500		(156)		4,344
Other debt		139		—		139		—		—		—
Total current debt		19,139		—		19,139		4,500		(156)		4,344
Revolving line of credit		—		—		—		5,000		(174)		4,826
Term loan - long-term		—		—		—		25,586		(889)		24,697
Other debt		295		—		295		—		—		—
Total long-term debt		295		—		295		30,586		(1,063)		29,523
Total debt	$	19,434	$	—	$	19,434	$	35,086	$	(1,219)	$	33,867

(1) Total debt issuance costs include underwriter fees, legal fees and syndication fees and fees related to the execution of the Fourth, Fifth, Sixth, Seventh and Eighth Amendments to the Credit Agreement.

Provisions of the revolving line of credit

The Company has a maximum borrowing availability under the revolving line of credit and swingline loans (as defined in the Credit Agreement) of $50.0 million. There is a letter of credit sublimit that is equal to the lesser of $20.0 million and the aggregate unused amount of the revolving commitments then in effect. There is also a swingline sublimit equal to the lesser of $5.0 million and the aggregate unused amount of the revolving commitments then in effect.

Revolving loans may be designated as Base Rate Loan or Adjusted LIBOR Rate Loans, at the Company’s request, and must be drawn in an aggregate minimum amount of $1.0 million and integral multiples of $250,000 in excess of that amount. Swingline loans must be drawn in an aggregate minimum amount of $250,000 and integral multiples of $50,000 in excess of that amount. The Company may convert, change, or modify such designations from time to time.

The Company is subject to a commitment fee for the unused portion of the maximum borrowing availability under the revolving line of credit. The commitment fee, which is due quarterly in arrears, is equal to the Applicable Margin of the actual daily amount by which the Aggregate Revolving Commitments exceeds the Total Revolving Outstanding. The revolving line of credit termination date is the earlier of the Credit Facility termination date, July 31, 2023, or the date the outstanding balance is permanently reduced to zero, in accordance with the terms of the amended Credit Facility.

The maturity date for amounts drawn under the revolving line of credit is the earlier of the Facility termination date of July 31, 2023, or the date the outstanding balance is permanently reduced to zero.

As of September 30, 2021, the Company had $19.0 million of borrowings under the revolving line of credit. There were $1.7 million in outstanding letters of credit as of September 30, 2021, which reduced the maximum borrowing availability on the revolving line of credit to $29.3 million. During the nine months ended September 30, 2021, the Company drew down $33.0 million for general corporate purposes and made payments of $19.0 million on the revolving line of credit which resulted in a net increase of $14.0 million.

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Provisions of the term loan

The original principal amount of $60.0 million for the term loan commitment was paid off in quarterly installment payments (as stated in the Credit Agreement). During the quarter ended June 30, 2021, the term loan component of the Credit Facility was fully extinguished, in part using proceeds of the sale of property in Tampa, Florida (see Note 6 – Property and Equipment).  The extinguishment of the term loan reduced the Company’s exposure to variability in interest rates and eliminated future loan amortization payment commitments.  Concurrent with extinguishing the term loan, the Company canceled the remaining open position on its interest rate swap, resulting in a $1.3 million loss on the mark to market value of the swap at the date of termination.  The $1.3 million was paid to the counterparty, cleared from the balance sheet as an interest rate swap liability, removed from Other Comprehensive Income and charged to interest expense during the quarter ended June 30, 2021.  Further, the remaining $0.8 million of unamortized deferred debt issuance costs were charged to interest expense related to the early extinguishment of the term loan.   There were no penalties incurred related to early payment of the term loan.

Other debt

The Company entered into a debt agreement with De Lage Landen Financial Services, Inc. for the purpose of financing a piece of equipment purchased.  As of September 30, 2021, the carrying value of this debt is $0.4 million. The agreement is secured by the financed equipment asset and the debt is included as a component of current debt and long-term debt on the Condensed Consolidated Balance Sheets.

Financial covenants

Restrictive financial covenants under the Credit Facility include:

● A consolidated Fixed Charge Coverage Ratio to not be less than the following during each noted period:

- Fiscal Quarter Ending December 31, 2019 and each Fiscal Quarter thereafter, to not be less than 1.25 to 1.00.

● A consolidated Leverage Ratio to not exceed the following during each noted period:

- Fiscal Quarter Ending March 31, 2020 and each Fiscal Quarter thereafter, to not exceed 3.00 to 1.00.

In addition, the Credit Facility contains events of default that are usual and customary for similar arrangements, including non-payment of principal, interest or fees; breaches of representations and warranties that are not timely cured; violation of covenants; bankruptcy and insolvency events; and events constituting a change of control.

The Company was in compliance with all financial covenants as of September 30, 2021.

Derivative Financial Instruments

On September 16, 2015, the Company entered into a series of receive-variable, pay-fixed interest rate swaps to hedge the variability in the interest payments on 50% of the aggregate principal amount of the Regions Term Loan outstanding, beginning with a notional amount of $67.5 million. There was a total of five sequential interest rate swaps to achieve the hedged position and each year on August 31, with the exception of the final swap, the existing interest rate swap was scheduled to expire and be immediately replaced with a new interest rate swap until the expiration of the final swap on July 31, 2020. On December 6, 2018, the Company entered

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into a sixth receive-variable, pay-fixed interest rate swap to hedge the variability of interest payments. The sixth swap began with a notional amount of $27.0 million on July 31, 2020 and hedged the variability in the interest payments on the aggregate scheduled principal amount of the Regions Term Loan outstanding. The sixth swap was scheduled to expire on July 31, 2023. At inception, these interest rate swaps were designated as cash flow hedges for hedge accounting, and as such, the effective portion of unrealized changes in market value were recorded in other comprehensive income (loss) and reclassified into earnings during the period in which the hedged forecasted transaction affects earnings.   Gains and losses from hedge ineffectiveness were recognized in current earnings.

Upon fully extinguishing the Term Loan during the quarter ended June 30, 2021, the Company canceled the remaining term of the sixth swap and no longer owns derivative financial instruments.

12.Other Long-Term Liabilities

Other long-term liabilities at September 30, 2021 and December 31, 2020 consisted of the following:

	September 30, 2021		December 31, 2020
Sale-leaseback arrangement	$	16,164	$	16,712
CARES Act deferred payroll taxes		3,821		—
Deferred compensation		2,760		2,818
Accrual for insurance claims liabilities		262		307
Total other long-term liabilities	$	23,007	$	19,837

Sale-Leaseback Arrangement

On September 27, 2019, the Company entered into a purchase and sale agreement (the “Purchase and Sale Agreement”). Pursuant to the terms of the Purchase and Sale Agreement, the Company sold its 17300 & 17140 Market Street location in Channelview, Texas (the “Property”) for a purchase price of $19.1 million. Concurrent with the sale of the Property, the Company entered into a fifteen-year lease agreement (the “Lease Agreement”), whereby the Company will lease back the Property at an annual rental rate of approximately $1.5 million, subject to annual rent increases of 2.0%. Under the Lease Agreement, the Company has two consecutive options to extend the term of the Lease by ten years for each such option. This transaction was recorded as a failed sale-leaseback. The Company recorded a liability for the amounts received, will continue to depreciate the non-land portion of the asset, and has imputed an interest rate so that the net carrying amount of the financial liability and remaining assets will be zero at the end of the initial lease term. Concurrently with the sale, the Company paid $18.2 million towards the Term loan portion of the Company’s Credit Facility, consistent with terms of the Sixth Amendment.

CARES Act

On March 27, 2020, the U.S. government enacted the Coronavirus Aid, Relief, and Economic Security Act (“CARES Act”) which among other things includes an optional payment deferral of the employer's portion of the Social Security taxes that were otherwise due through December 31, 2020. The Company elected to defer payments of approximately $7.6 million with $3.8 million due December 2021 reflected in accrued liabilities included in the Company’s Condensed Consolidated Balance Sheets and the remaining $3.8 million due

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December 2022 reflected in other long-term liabilities in the Company’s Condensed Consolidated Balance Sheets.

13.Income Taxes

The Company’s effective tax rate is based on expected income, statutory rates and tax planning opportunities available to it. For interim financial reporting, the Company estimates its annual tax rate based on projected taxable income for the full year and records a quarterly tax provision in accordance with the anticipated annual rate.

Income tax expense included in the Company’s accompanying Condensed Consolidated Statements of Operations was as follows (in thousands, except percentages):

	Three months ended						Nine months ended
	September 30,						September 30,
		2021			2020			2021			2020
Income tax expense	$	1,001		$	303		$	341		$	1,660
Effective tax rate		(10.9)	%		2.5	%		(6.3)	%		9.1	%

The effective rate for the three and nine months ended September 30, 2021 differed from the Company’s statutory federal rate of 21% primarily due to the movement in the valuation allowance for current year activity, state income taxes and the non-deductibility of other permanent items.

The Company assessed the realizability of its deferred tax assets and determined that it was more likely than not that some portion or all the deferred tax assets would not be realized and therefore recorded a valuation allowance on the net deferred tax assets. The Company assesses the available positive and negative evidence to estimate if sufficient future taxable income will be generated to use the existing deferred tax assets. The Company considers the scheduled reversal of deferred tax liabilities, available carryback periods, and tax-planning strategies in making this assessment. For the period ended September 30, 2021 the Company evaluated all positive and negative evidence in determining the amount of deferred tax assets more likely than not to be realized. Based on the review of available evidence, Management believes that a valuation allowance on the net deferred tax assets at September 30, 2021 remains appropriate.

The Company does not expect that unrecognized tax benefits as of September 30, 2021 for certain federal income tax matters will significantly change due to any settlement and/or expiration of statutes of limitations over the next 12 months. The final outcome of these tax positions is not yet determinable. The Company’s uncertain tax benefits, if recognized, would affect the Company’s effective tax rate.

14.Earnings Per Share

Basic earnings per share is based on the weighted average number of common shares outstanding during each period. Diluted earnings per share is based on the weighted average number of common shares outstanding as well as the effect of all dilutive common stock equivalents during each period net income is generated. For the three months ended September 30, 2021 and 2020, the Company had 793,028 and 1,086,882 securities, respectively, that were potentially dilutive in earnings per share calculations. For the nine months ended September 30, 2021 and 2020, the Company had 866,925 and 1,220,314 securities, respectively, that were potentially dilutive in earnings per share calculations. Such dilution is dependent on the excess of the market price of our stock over the exercise price and other components of the treasury stock method.  The exercise

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price for certain stock options awarded by the Company exceeded the average market price of the Company’s common stock for the three and nine months ended September 30, 2021 and 2020. Such stock options are antidilutive and are not included in the computation of earnings per share for those periods.

The following table reconciles the denominators used in the computations of both basic and diluted earnings per share:

	Three months ended September 30,		Nine months ended September 30,
	2021	2020	2021	2020
Basic:
Weighted average shares outstanding	30,979,207	30,372,310	30,707,426	30,020,258
Diluted:
Total basic weighted average shares outstanding	30,979,207	30,372,310	30,707,426	30,020,258
Effect of potentially dilutive securities:
Common stock options	—	—	—	—
Total weighted average shares outstanding assuming dilution	30,979,207	30,372,310	30,707,426	30,020,258

15.Stock-Based Compensation

The Compensation Committee of the Company’s Board of Directors is responsible for the administration of the Company’s  stock incentive plans, which include the balance of shares remaining under the 2011 Long Term Incentive Plan (the "2011 LTIP") and 2017 Long Term Incentive Plan (the "2017 LTIP"), which was approved by shareholders in May 2017 and authorized the maximum aggregate number of shares to be issued of 2,400,000. In general, the Company’s 2017 LTIP provides for grants of restricted stock and stock options to be issued with a per-share price equal to the fair market value of a share of common stock on the date of grant. Option terms are specified at each grant date but generally are 10 years from the date of issuance. Options generally vest over a three to five-year period.

The Company applies a 3.2% and a 5.5% forfeiture rate, which is compounded over the vesting terms of the individual award, to its restricted stock and option grants, respectively, based on historical analysis.

In the three months ended September 30, 2021 and 2020, compensation expense related to stock-based awards outstanding was $0.5 million and $0.3 million, respectively. In the nine months ended September 30, 2021 and 2020, compensation related to stock-based awards outstanding was $2.2 million and $1.9 million, respectively. In the three months ended September 30, 2021 and 2020, payments related to tax withholding for stock-based compensation for certain officers of the Company was $0.7 million and $0.2 million, respectively. In the nine months ended September 30, 2021 and 2020, payments related to tax withholding for stock-based compensation for certain officers of the Company was $0.9 million and $0.2 million, respectively.

In May 2021, independent directors as well as certain officers and executives of the Company were granted 489,850 shares of restricted common stock. The total number included 89,850 shares, which were awarded to the six independent directors and vested immediately on the date of the grant, as well as 240,000 shares of performance-based stock awards to certain executives. The performance-based stock will potentially vest 100% if the target is met, with 100% of the shares to be earned based on the achievement of an objective, tiered return on invested capital, measured over a three-year performance period. The Company evaluates the probability of achieving this each reporting period. The fair value of all shares awarded on the date of the grant was $6.01 per share.

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In August 2021, the Company determined the performance-based stock awarded in May 2020 vested near the outperformance level established above the target set based on the achievement of an objective, tiered return on invested capital, measured over a one-year performance period ending June 30, 2021. As a result, the executives earned an additional 259,565 shares of performance-based stock awards with a fair value of $2.26, of which 50% vested immediately on the date of determination and 25% each will vest on the first and second anniversary of the date of determination.

In September 2021, the Company granted an independent director 18,215 shares of restricted common stock, which vested immediately on the date of grant. The fair value of all shares awarded on the date of grant was $5.49.

In September 2021, the Company granted an executive of the Company 9,901 shares of restricted common stock with a vesting period of three year and a fair value of $5.05 per share.

In the three months ended September 30, 2021, there were 4,791 options exercised generating proceeds to the Company of less than $0.1 million. In the nine months ended September 30, 2021, there were 28,546 options exercised generating proceeds to the Company of approximately $0.1 million. In the three and nine months ended September 30, 2020, there were no options exercised.

At September 30, 2021, total unrecognized compensation expense related to unvested stock was approximately $3.8 million, which is expected to be recognized over a period of approximately 2.3 years.

16.Commitments and Contingencies

On August 21, 2020, a Company dredge, the Waymon L. Boyd, was consumed by a fire while working on a project in the Port of Corpus Christi. Five crewmembers were killed, several more were injured, some seriously, and the vessel was declared a total loss. This incident also resulted in the discharge of approximately 18,000 gallons of oil, diesel fuel and contaminated water into the Corpus Christi Ship Channel, all of which was promptly cleaned up. The Company is fully cooperating with the U.S. Coast Guard, the Port of Corpus Christi Authority, and the National Transportation Safety Board, among others, while they investigate the cause of this incident. The National Transportation Safety Board has named the Company as a party of interest in their investigation. Thus far, eight separate lawsuits have been filed against the Company by certain crewmembers or their heirs under the general maritime law and the Jones Act. In response thereto, the Company has filed an action in the U.S. District Court for the Southern District of Texas seeking consolidation of the lawsuits for procedural purposes since they all arise out of the same occurrence and seeking exoneration from or limitation of liability relating to the foregoing incident as provided for in the federal rules of procedure for maritime claims. The Limitation Court set a deadline of February 17, 2021 by which all claims were required to be filed and as of the Court’s deadline, thirteen persons, estates and/or entities filed claims in the Limitation for personal injuries, death, property damages and business interruption, loss of profit, loss of use of natural resources and other economic damages for unspecified economic and compensatory damages. Some of these claimants may lack standing to bring their claims and will be challenged. Further, the Company filed a Default Motion with the Court which was granted on April 8, 2021 that bars the filing of any further claims. Applicable accounting guidance under ASC 450 would require the Company to recognize a loss if the loss is determined to be probable and reasonably estimable. As at September 30, 2021, we have recognized $102.1 Million in total liabilities with respect to this incident to date, which includes approximately $39.6 Million paid to date (including full settlements with 12 of the 18 crewmembers and wreck removal costs) and accruals totaling approximately $62.4 Million. However, this is a multi-party, complex tort proceeding, and it is too early in the proceedings for the Company to establish loss accruals regarding the balance of the claims. In any event, insurance coverage

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is available, the carriers of such insurance have taken over the costs of the defense of the claims and have reimbursed the Company $37.8 Million to date. In addition, the Company continues to believe that it has adequate insurance coverage for all pollution, marine, economic, and other potential liabilities arising from the incident. The Company also remains confident that it otherwise has adequate vessels, equipment, and personnel to fulfill all ongoing, booked and reasonably foreseeable work. Discovery has commenced and a trial date has been scheduled for March 21, 2022. 

In addition, the Company is involved in various other legal and other proceedings which are incidental to the conduct of its business, none of which in the opinion of management will have a material effect on the Company’s financial condition, results of operations or cash flows. Management believes that it has recorded adequate accrued liabilities and believes that it has adequate insurance coverage or has meritorious defenses for these other claims and contingencies.

A legal matter was settled in the Company’s favor for $5.5 million during the first quarter of 2018. Settlement amounts were recorded in Other gain from continuing operations in the Condensed Consolidated Statement of Operations, Prepaid expenses and other (current portion of the notes receivable) and Other non-current assets (non-current portion of the notes receivable) in the Condensed Consolidated Balance Sheets. As of September 30, 2021, the current portion of the notes receivable was $0.8 million and the non-current portion was $1.3 million, net of $0.1 million of unamortized discount. Legal fees related to this matter were expensed as incurred during the respective reporting period.

17.Segment Information

The Company currently operates in two reportable segments: marine and concrete. The Company’s financial reporting systems present various data for management to run the business, including profit and loss statements prepared according to the segments presented. Management uses operating income to evaluate performance between the two segments. Segment information for the periods presented is provided as follows:

	Three months ended				Nine months ended
	September 30,				September 30,
		2021		2020		2021		2020
Marine
Contract revenues	$	54,739	$	112,881	$	190,827	$	290,549
Operating (loss) income	$	(4,965)	$	12,025	$	6,489	$	21,584
Depreciation and amortization expense	$	(4,232)	$	(4,543)	$	(12,912)	$	(14,063)
Total assets	$	252,332	$	258,894	$	252,332	$	258,894
Property and equipment, net	$	92,612	$	109,522	$	92,612	$	109,522
Concrete
Contract revenues	$	85,168	$	76,552	$	248,264	$	249,217
Operating (loss) income	$	(3,778)	$	1,060	$	(7,611)	$	(50)
Depreciation and amortization expense	$	(1,993)	$	(2,223)	$	(6,228)	$	(6,599)
Total assets	$	116,023	$	123,626	$	116,023	$	123,626
Property and equipment, net	$	14,073	$	16,389	$	14,073	$	16,389

In connection with the preparation of the financial statements for the quarter ended September 30, 2021, the Company has identified and corrected certain immaterial errors in segment reporting for all periods presented.

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Specifically, certain corporate overhead costs previously recorded to the marine segment as part of operating income (loss) and allocated from the marine segment to the concrete segment below operating income in the other income (expense) line have been allocated from the marine segment to the concrete segment as part of the determination of operating income for each segment. These corrections resulted in an offsetting change in operating income (loss) for each segment of $3.0 million for the three months ended September 30, 2020 and $2.9 million and $9.2 million for the nine months ended September 30, 2021 and 2020, respectively.

There were none and less than $0.1 million in intersegment revenues between the Company’s two reportable segments for the three months ended September 30, 2021 and 2020, respectively. There were less than $0.1 million and $2.7 million in intersegment revenues between the Company’s two reportable segments for the nine months ended September 30, 2021 and 2020, respectively. The marine segment had foreign revenues of less than $0.1 million and $1.8 million for the three months ended September 30, 2021 and 2020, respectively. The marine segment had foreign revenues of $2.8 million and $9.7 million for the nine months ended September 30, 2021 and 2020, respectively. These revenues are derived from projects in the Caribbean Basin and Mexico and are paid primarily in U.S. dollars. There was no foreign revenue for the concrete segment.

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18.Leases

The Company has operating and finance leases for office space, equipment and vehicles.

Leases recorded on the balance sheet consists of the following:

	September 30,		December 31,
Leases	2021		2020
Assets
Operating lease right-of-use assets, net (1)	$	15,193	$	18,874
Financing lease right-of-use assets, net (2)		12,135		12,858
Total assets	$	27,328	$	31,732
Liabilities
Current
Operating	$	3,970	$	4,989
Financing		1,408		3,901
Total current		5,378		8,890
Noncurrent
Operating		12,033		14,537
Financing		10,324		8,376
Total noncurrent		22,357		22,913
Total liabilities	$	27,735	$	31,803

(1) Operating lease right-of-use assets are recorded net of accumulated amortization of $8.9 million and $9.0 million as of September 30, 2021 and December 31, 2020, respectively.

(2) Financing lease right-of-use assets are recorded net of accumulated amortization of $2.1 million and $6.4 million as of September 30, 2021 and December 31, 2020, respectively.

Other information related to lease term and discount rate is as follows:

	September 30,		December 31,
	2021		2020
Weighted Average Remaining Lease Term (in years)
Operating leases	5.07		5.25
Financing leases	5.05		4.96
Weighted Average Discount Rate
Operating leases (1)	4.78	%	4.73	%
Financing leases	4.22	%	4.46	%

(1) Upon adoption of the new lease standard, discount rates used for existing operating leases were established on January 1, 2019.

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The components of lease expense are as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Operating lease costs:
Operating lease cost	$	1,338	$	1,588	$	4,510	$	4,815
Short-term lease cost (1)		425		833		1,432		2,914
Financing lease costs:
Interest on lease liabilities		125		135		369		410
Amortization of right-of-use assets		657		902		2,259		2,487
Total lease cost	$	2,545	$	3,458	$	8,570	$	10,626

(1) Includes expenses related to leases with a lease term of more than one month but less than one year.

Supplemental cash flow information related to leases is as follows:

	Nine Months Ended September 30,
	2021		2020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for operating leases	$	4,358	$	4,743
Operating cash flows for finance leases	$	369	$	410
Financing cash flows for finance leases	$	2,500	$	2,751
Non-cash activity:
ROU assets obtained in exchange for new operating lease liabilities	$	818	$	3,017
ROU assets obtained in exchange for new financing lease liabilities	$	4,329	$	9,714

Maturities of lease liabilities are summarized as follows:

	Operating Leases		Finance Leases
Year ending December 31,
2021 (excluding the nine months ended September 30, 2021)	$	1,291	$	656
2022		4,296		3,492
2023		3,432		2,596
2024		2,641		2,036
2025		2,354		1,430
Thereafter		4,090		3,035
Total future minimum lease payments		18,104		13,245
Less - amount representing interest		2,101		1,513
Present value of future minimum lease payments		16,003		11,732
Less - current lease obligations		3,970		1,408
Long-term lease obligations	$	12,033	$	10,324

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ITEM 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

CAUTIONARY STATEMENT CONCERNING FORWARD-LOOKING STATEMENTS

Unless the context otherwise indicates, all references in this quarterly report to “Orion,” “the Company,” “we,” “our,” or “us” are to Orion Group Holdings, Inc. and its subsidiaries taken as a whole.

Certain information in this Quarterly Report on Form 10-Q, including but not limited to Management’s Discussion and Analysis of Financial Condition and Results of Operations (“MD&A”), may constitute forward-looking statements as such term is defined within the meaning of the “safe harbor” provisions of Section 27A of the Securities Exchange Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended.

All statements other than statements of historical facts, including those that express a belief, expectation, or intention are forward-looking statements. The forward-looking statements may include projections and estimates concerning the timing and success of specific projects and our future production, revenues, income and capital spending. Our forward-looking statements are generally accompanied by words such as “estimate,” “project,” “predict,” “believe,” “expect,” “anticipate,” “potential,” “plan,” “goal” or other words that convey the uncertainty of future events or outcomes.

We have based these forward-looking statements on our current expectations and assumptions about future events. While our management considers these expectations and assumptions to be reasonable, they are inherently subject to significant business, economic, competitive, regulatory and other risks, contingencies and uncertainties, most of which are difficult to predict and many of which are beyond our control, including the duration of the COVID19 pandemic and the resiliency of  the economy thereafter, unforeseen productivity delays and other difficulties encountered in project execution, levels of government funding or other governmental budgetary constraints, and contract cancellation at the discretion of the  customer. These and other important factors, including those described under “Risk Factors” in Item 1A of the Company’s Annual Report on Form 10-K for the year ended December 31, 2020 (“2020 Form 10-K”) may cause our actual results, performance or achievements to differ materially from any future results, performance or achievements expressed or implied by these forward-looking statements. The forward-looking statements in this quarterly report on Form 10-Q speak only as of the date of this report; we disclaim any obligation to update these statements unless required by securities law, and we caution you not to rely on them unduly.

MD&A provides a narrative analysis explaining the reasons for material changes in the Company’s (i) financial condition since the most recent fiscal year-end, and (ii) results of operations during the current fiscal year-to-date period and current fiscal quarter as compared to the corresponding periods of the preceding fiscal year. In order to better understand such changes, this MD&A should be read in conjunction with the Company’s fiscal 2020 audited consolidated financial statements and notes thereto included in our 2020 Form 10-K, Item 7 Management’s Discussion and Analysis of Financial Condition and Results of Operations included in our 2019 Form 10-K and with our unaudited condensed consolidated financial statements and related notes appearing elsewhere in this quarterly report.

Overview

Orion Group Holdings, Inc., its subsidiaries and affiliates (hereafter collectively referred to as the “Company”), provides a broad range of specialty construction services in the infrastructure, industrial and building sectors of the continental United States, Alaska, and the Caribbean Basin. The Company’s marine segment services the

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infrastructure sector through marine transportation facility construction, marine pipeline construction, marine environmental structures, dredging of waterways, channels and ports, environmental dredging, design, and specialty services. Its concrete segment services the building sector by providing turnkey concrete construction services including pour and finish, dirt work, layout, forming, rebar, and mesh across the light commercial structural and other associated business areas. The Company is headquartered in Houston, Texas with offices throughout its operating areas.

Our contracts are obtained primarily through competitive bidding in response to “requests for proposals” by federal, state and local agencies and through negotiation and competitive bidding with private parties and general contractors. Our bidding activity and strategies are affected by such factors as our backlog, current utilization of equipment and other resources, job location, our ability to obtain necessary surety bonds and competitive considerations. The timing and location of awarded contracts may result in unpredictable fluctuations in the results of our operations.

Most of our revenue is derived from fixed-price contracts. We generally record revenue on construction contracts over time, measured by the percentage of actual contract costs incurred to date to total estimated costs for each contract. There are a number of factors that can create variability in contract performance and therefore impact the results of our operations. The most significant of these include the following:

● completeness and accuracy of the original bid;

● increases in commodity prices such as concrete, steel and fuel;

● customer delays, work stoppages, and other costs due to weather and environmental restrictions;

● availability and skill level of workers; and

● a change in availability and proximity of equipment and materials.

All of these factors can have a negative impact on our contract performance, which can adversely affect the timing of revenue recognition and ultimate contract profitability. We plan our operations and bidding activity with these factors in mind and they generally have not had a material adverse impact on the results of our operations in the past.

Third Quarter 2021 Recap and 2021 Outlook

In the quarter ended September 30, 2021, we recorded revenues of $139.9 million, of which $54.7 million was attributable to our marine segment and the remaining $85.2 million to our concrete segment. In addition, we ended the quarter with a consolidated backlog of $572.8 million. Our revenues in the quarter decreased by 26.1% as compared with the comparable prior year period and we recorded a net loss of $10.2 million, as compared with net income of $11.8 million in the comparable prior year period.

Looking toward the balance of 2021, the Company continues to focus on developing opportunities across the infrastructure, industrial, and building sectors through organic growth, greenfield expansion, and strategic acquisition opportunities.

The spread of COVID-19 has impacted the global economy, leaving supply chains disrupted. As the world uses tactics like “social distancing” and “stay at home orders” to slow and stop the spread of COVID-19, demand destruction has led to increased unemployment and to the weakening of consumer confidence. Although to date the Company hasn’t experienced materially negative impacts from COVID-19, such as widespread project

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stoppage/cancelations or a slowdown/stoppage of accounts receivables collections, any delays in the timing of future awards could create gaps in the Company’s project delivery schedule across quarterly periods.

Federal and State governments have increased spending as part of efforts to mitigate the impact of COVID-19 on the economy.  The amount and timing of such spending will be directly impacted by the duration of required efforts to contain COVID-19 and the severity of the negative impacts created by the virus and its effect on the economy.   Although little progress has been made to date and on a federal infrastructure bill, the Company will continue to track and monitor any developments on a federal infrastructure bill which could potentially create bid opportunities for the Company. 

Marine Segment

Demand for our marine construction services continues, given our differentiated capabilities and service offering within the space. We continue to see bid opportunities to help maintain and expand the infrastructure that facilitates the movement of goods and people on or over waterways. However, we have some concerns about the short-term outlook for and are closely monitoring the short and long-term cruise line capital expenditures as their current demand has been severely impacted by COVID-19. Further, while we currently see bid opportunities from our private sector energy-related customers as they expand their marine facilities related to the storage, transportation and refining of domestically produced energy, we recognize that the timing of project awards may be impacted as a result of volatility of oil prices due to COIVD-19 related uncertainties. Over the long-term, we expect to see bid opportunities in this sector from petrochemical-related businesses, energy exporters, and liquefied natural gas facilities. Opportunities from local port authorities will also remain over the long-term, many of which are related to the widened Panama Canal. Additionally, bid opportunities related to coastal restoration funded through the Resource and Ecosystems Sustainability, Tourist Opportunities and Revived Economies of the Gulf Coast States Act (the “RESTORE Act”) may arise into 2021. We believe our current equipment fleet will allow us to better meet market demand for projects from both our public and private customers.

In the long-term, we see positive trends in demand for our services in our end markets, including:

● Continuing need to repair and improve degrading U. S. marine infrastructure;

● Long-term demand from downstream energy-related companies will be driven by larger capital projects, as well as maintenance call-out work;

● Expected increases in cargo volume and future demands from larger ships transiting the Panama Canal will require ports along the Gulf Coast and Atlantic Seaboard to expand port infrastructure as well as perform additional dredging services;

● Possible work opportunities generated by the Water Resources Reform and Development Act (the “WRRDA Act”) authorizing expenditures for the conservation and development of the nation’s waterways as well as addressing funding deficiencies within the Harbor Maintenance Trust Fund;

● Renewed focus on coastal rehabilitation along the Gulf Coast, particularly through the use of RESTORE Act funds based on fines collected related to the 2010 Gulf of Mexico oil spill;

● Funding for highways and transportation under successor Acts to the FAST Act;

● Nearly $7 billion of federal funding provided by the USACE in connection with disaster recovery in Texas; and,

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● Potential opportunities related to the impending federal infrastructure bill.

Concrete Segment

Demand for our concrete segment’s services continues, although timing of certain new project releases could be delayed as a result of COVID-19 related macroeconomic impacts. We currently see long-term demand for our concrete construction services in the Texas building sector as Texas’ four major metropolitan areas, and expanding suburbs, continuously retain their positions as leading destinations for population and business growth. Population growth throughout our markets continues to drive new distribution centers, education facilities, office expansion, retail and grocery establishments, new multi-family housing units, and structural towers for business, residential or mixed-use purposes.  The diversified Texas economy provides us with multiple sources of bid opportunities. Additional demand for concrete services in our markets could be provided by work as part of a federal infrastructure bill.

In the long-term, we see positive trends in demands for our services in our end markets, including: 

●Population growth in the state of Texas driven by corporate relocations; 

●Continued investment in warehouse/distribution space in the Dallas-Fort Worth region; 

●COVID-19 driven shift of people moving from the inner cities to suburban areas; 

● Nearly $7 billion of federal funding provided by the USACE in connection with disaster recovery in Texas; and,

● Potential opportunities related to the impending federal infrastructure bill. 

Consolidated Results of Operations

Backlog Information

Our contract backlog represents our estimate of the revenues we expect to realize under the portion of contracts remaining to be performed. Given the typical duration of our contracts, which is generally less than a year, our backlog at any point in time usually represents only a portion of the revenue that we expect to realize during a twelve-month period. We have not been adversely affected by contract cancellations or modifications in the past, we may be in the future, especially in economically uncertain periods.

Backlog as of the periods ended below are as follows (in millions):

	September 30, 2021		June 30, 2021		March 31, 2021		December 31, 2020		September 30, 2020
Marine segment	$	379.9	$	170.2	$	154.8	$	202.6	$	241.7
Concrete segment		192.9		224.2		210.0		236.9		187.1
Consolidated	$	572.8	$	394.4	$	364.8	$	439.5	$	428.8

The increase in backlog during the quarter is primarily driven by new jobs we won in the marine segment. The general trend of declining backlog over the past year through June 2021 is due in significant part to headwinds created by the COVID-19 pandemic in certain end market sectors, which has slowed the timing of project awards.  We, however, remain optimistic in our end-markets and in the opportunities that are emerging across our various marketplaces as evidenced by the $2.0 billion of quoted bids outstanding at quarter end, of

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which $103 million we are the apparent low bidder on or have been awarded contracts subsequent to the end of the quarter ended September 30, 2021.

These estimates are subject to fluctuations based upon the scope of services to be provided, as well as factors affecting the time required to complete the project. Backlog is not necessarily indicative of future results. In addition to our backlog under contract, we also have a substantial number of projects in negotiation or pending award at any given time.  Delays in decisions on pending awards also have a negative impact on the timing and amount by which we are able to increase backlog.

Three months ended September 30, 2021, compared with three months ended September 30, 2020

	Three months ended September 30,
	2021				2020
	Amount		Percent		Amount		Percent
	(dollar amounts in thousands)
Contract revenues	$	139,907	100.0	%	$	189,433	100.0	%
Cost of contract revenues		133,329	95.3	%		166,932	88.1	%
Gross profit		6,578	4.7	%		22,501	11.9	%
Selling, general and administrative expenses		15,733	11.2	%		15,270	8.1	%
Amortization of intangible assets		380	0.3	%		519	0.3	%
Gain on disposal of assets, net		(792)	(0.6)	%		(6,373)	(3.4)	%
Operating (loss) income		(8,743)	(6.2)	%		13,085	6.9	%
Other (expense) income:
Other income		50	—	%		115	0.1	%
Interest income		22	—	%		57	—	%
Interest expense		(523)	(0.4)	%		(1,151)	(0.6)	%
Other expense, net		(451)	(0.4)	%		(979)	(0.5)	%
Income before income tax expense		(9,194)	(6.6)	%		12,106	6.4	%
Income tax (benefit) expense		1,001	0.7	%		303	0.2	%
Net income	$	(10,195)	(7.3)	%	$	11,803	6.2	%

Contract Revenues. Contract revenues for the three months ended September 30, 2021 of $139.9 million decreased $49.6 million or 26.1% as compared to $189.4 million in the prior year period. The decrease was primarily driven by the timing and mix of several large marine projects that had driven activity in the prior year, which were not replicated or replaced in the current year quarter. This decrease was partially offset by increased production volumes in our concrete segment due to an increase in activity during 2021, including on several larger jobs in the current year period as compared to the prior year period.

Gross Profit.  Gross profit was $6.6 million for the three months ended September 30, 2021, compared to $22.5 million in the prior year period, a decrease of $15.9 million or 70.8%. Gross profit in the third quarter was 4.7% of total contract revenues as compared to 11.9% in the prior year period. The decrease in gross profit dollars and percentage was driven by the decreased activity and volumes in the marine segment which negatively impacted revenue and contributed to an under recovery of indirect costs primarily related to decreased labor and equipment utilization. Decreased project performance in the concrete segment was driven by inefficiencies in executing work from COVID-19 and weather-related impacts, along with cost overruns in the current period on the completion of one project.

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Selling, General and Administrative Expense. Selling, general and administrative ("SG&A") expenses were $15.7 million for the three months ended September 30, 2021 compared to $15.3 million in the prior year period, an increase of $0.5 million or 3.0%. As a percentage of total contract revenues, SG&A expenses increased from 8.1% to 11.2%, primarily due to lower revenues in the current period. The increase in SG&A dollars was driven primarily by an increase in ERP implementation expense, partially offset by a decrease in bonus expense as compared to the prior year period.

Gain on Disposal of Assets, net. During the three months ended September 30, 2021 and 2020, we realized $0.8 million and $6.4 million, respectively, of net gains on disposal of assets. Included in the prior year amount is a $2.9 million net gain on insurance recoveries.

Other Income, net of Expense. Other expense primarily reflects interest on our borrowings, partially offset by interest income and non-operating gains or losses.

Income Tax Expense. We recorded tax expense of $1.0 million in the three months ended September 30, 2021, compared to tax expense of $0.3 million in the prior year period. Our effective tax rate for the three months ended September 30, 2021 was (10.9)%, which differs from the federal statutory rate of 21% primarily due to the movement in the valuation allowance for current year activity, state income taxes and the non-deductibility of other permanent items.

Nine months ended September 30, 2021, compared with nine months ended September 30, 2020

	Nine months ended September 30,
	2021				2020
	Amount		Percent		Amount		Percent
	(dollar amounts in thousands)
Contract revenues	$	439,091	100.0	%	$	539,766	100.0	%
Cost of contract revenues		404,757	92.2	%		476,763	88.3	%
Gross profit		34,334	7.8	%		63,003	11.7	%
Selling, general and administrative expenses		44,078	10.0	%		47,651	8.8	%
Amortization of intangible assets		1,141	0.3	%		1,552	0.3	%
Gain on disposal of assets, net		(9,763)	(2.2)	%		(7,734)	(1.4)	%
Operating income (loss) from operations		(1,122)	(0.3)	%		21,534	4.0	%
Other (expense) income:
Other income		159	—	%		251	—	%
Interest income		73	—	%		151	—	%
Interest expense		(4,506)	(0.9)	%		(3,722)	(0.6)	%
Other expense, net		(4,274)	(0.9)	%		(3,320)	(0.6)	%
Income before income taxes		(5,396)	(1.2)	%		18,214	3.4	%
Income tax expense		341	0.1	%		1,660	0.3	%
Net income	$	(5,737)	(1.3)	%	$	16,554	3.1	%

Contract Revenues. Contract revenues for the nine months ended September 30, 2021 of $439.1 million decreased $100.7 million or 18.7% as compared to $539.8 million in the prior year period. The decrease was primarily driven by severe winter weather that shut down most of Texas for seven to ten days in February 2021, a reduction in project activity compared to the prior year in the marine segment and decreased project performance and margins in the concrete segment.

Gross Profit.  Gross profit was $34.3 million for the nine months ended September 30, 2021, compared to $63.0 million in the prior year period, a decrease of $28.7 million or 45.5%. Gross profit in the period was 7.8% of

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total contract revenues as compared to 11.7% in the prior year period. The decrease in gross profit dollars and percentage was driven by the decreased activity and volumes which negatively impacted revenue and contributed to an under recovery of indirect costs primarily related to decreased labor and equipment utilization as the result of the winter and spring weather delays in the current year period. We also incurred decreased project performance in our concrete segment.

Selling, General and Administrative Expense. Selling, general and administrative ("SG&A") expenses were $44.1 million for the nine months ended September 30, 2021 compared to $47.7 million in the prior year period, a decrease of $3.6 million or 7.5%. As a percentage of total contract revenues, SG&A expenses increased from 8.8% to 10.0%. The decrease in SG&A dollars was driven by a decrease in the current year period related to bonus expense, business development costs pursuant to timing of project pursuits and awards and travel related costs. 

Gain on Disposal of Assets, net. During the nine months ended September 30, 2021 and 2020, we realized $9.8 million and $7.7 million, respectively, of net gains on disposal of assets. Included in the current year amount is a net gain of $6.7 million related to the sale of property in Tampa, Florida. See Note 6 – Property and Equipment in this form 10-Q for a further description of the sale of property. Included in the prior year amount is a $2.9 million net gain on insurance recoveries.

Other Income, net of Expense. Other expense primarily reflects interest on our borrowings, partially offset by interest income and non-operating gains or losses. Interest expense for the current year period included $2.1 million related to the extinguishment of our term loan and related interest rate swaps.

Income Tax Expense. We recorded tax expense of $0.3 million in the nine months ended September 30, 2021, compared to tax expense of $1.7 million in the prior year period. Our effective tax rate for the nine months ended September 30, 2021 was (6.3)%, which differs from the federal statutory rate of 21% primarily due to the movement in the valuation allowance for current year activity, state income taxes and the non-deductibility of other permanent items.

Segment Results

The following table sets forth, for the periods indicated, statements of operations data by segment, segment revenues as a percentage of consolidated revenues and segment operating (loss) income as a percentage of segment revenues.  In connection with the preparation of the financial statements for the quarter ended June 30, 2021, the Company has identified and corrected certain immaterial errors in segment reporting for all periods presented. Specifically, certain corporate overhead costs previously recorded to the marine segment as part of operating income (loss) and allocated from the marine segment to the concrete segment below operating income in the other income (expense) line have been allocated from the marine segment to the concrete segment as part of the determination of operating income for each segment. These corrections resulted in an offsetting change in operating income (loss) for each segment of $3.0 million for the three months ended September 30, 2020 and $2.9 million and $9.2 million for the nine months ended September 30, 2021 and 2020, respectively.

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Three months ended September 30, 2021 compared with three months ended September 30, 2020.

	Three months ended September 30,
	2021				2020
	Amount		Percent		Amount		Percent
	(dollar amounts in thousands)
Contract revenues
Marine segment
Public sector	$	35,580	65.0	%	$	68,353	60.6	%
Private sector		19,159	35.0	%		44,528	39.4	%
Marine segment total	$	54,739	100.0	%	$	112,881	100.0	%
Concrete segment
Public sector	$	2,301	2.7	%	$	8,784	11.5	%
Private sector		82,867	97.3	%		67,768	88.5	%
Concrete segment total	$	85,168	100.0	%	$	76,552	100.0	%
Total	$	139,907			$	189,433
Operating (loss) income
Marine segment	$	(4,965)	(9.1)	%	$	12,025	10.7	%
Concrete segment		(3,778)	(4.4)	%		1,060	1.4	%
Total	$	(8,743)			$	13,085

Marine Segment

Revenues for our marine segment for the three months ended September 30, 2021 were $54.7 million compared to $112.9 million for the three months ended September 30, 2020, a decrease of $58.2 million, or 51.5%. The decrease was primarily driven by the timing and mix of several large projects which had significant activity in the prior year but were not repeated or replaced in the current year.

Operating loss for our marine segment for the three months ended September 30, 2021 was $5.0 million, compared to operating income of $12.0 million for the three months ended September 30, 2020, a decrease of $17.0 million. Excluding the net gain on insurance recoveries and the recovery on a disputed receivable in the prior year operating loss was $8.3 million for the three months ended September 30, 2020, a decrease of $13.2 million. This decrease in operating income was primarily due to the decrease in revenue and related under recovery of indirect costs as a result of decreased labor and equipment utilization.

Concrete Segment

Revenues for our concrete segment for the three months ended September 30, 2021 were $85.2 million compared to $76.6 million for the three months ended September 30, 2021, an increase of $8.6 million, or 11.3%. This increase was primarily driven by increased production volumes due to the timing and mix of projects including larger light commercial jobs that burned in the current year quarter.

Operating loss for our concrete segment for the three months ended September 30, 2021 was $3.8 million, compared to operating income of $1.1 million for the three months ended September 30, 2020, a decrease of $4.9 million. This decrease in operating income was primarily due to decreased project performance and lower margins on several projects during the 2021 period.

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Nine months ended September 30, 2021 compared with nine months ended September 30, 2020.

	Nine months ended September 30,
	2021				2020
	Amount		Percent		Amount		Percent
	(dollar amounts in thousands)
Contract revenues
Marine segment
Public sector	$	121,916	63.9	%	$	181,684	62.5	%
Private sector		68,911	36.1	%		108,865	37.5	%
Marine segment total	$	190,827	100.0	%	$	290,549	100.0	%
Concrete segment
Public sector	$	13,580	5.5	%	$	36,858	14.8	%
Private sector		234,684	94.5	%		212,359	85.2	%
Concrete segment total	$	248,264	100.0	%	$	249,217	100.0	%
Total	$	439,091			$	539,766
Operating (loss) income
Marine segment	$	6,489	3.4	%	$	21,584	7.4	%
Concrete segment		(7,611)	(3.1)	%		(50)	(0.0)	%
Total	$	(1,122)			$	21,534

Marine Segment

Revenues for our marine segment for the nine months ended September 30, 2021 were $190.8 million compared to $290.5 million for the nine months ended September 30, 2020, a decrease of $99.7 million, or 34.3%. The decrease was primarily attributable to the Texas winter storm in February 2021 and a reduction in project activity compared to the prior year period.

Operating income for our marine segment for the nine months ended September 30, 2021 was $6.5 million, compared to operating income of $21.6 million for the nine months ended September 30, 2020, a decrease of $15.1 million. Excluding the impact of the sale of property in Tampa, Florida in the current year and the net gain on insurance recoveries and the recovery on a disputed receivable in the prior year operating loss was $0.2 million for the nine months ended September 30, 2021, compared to operating income of $17.8 million for the nine months ended September 30, 2020, a decrease of $18.0 million. This decrease in operating income was primarily due to the decrease in revenue noted above and related under recovery of indirect costs as a result of decreased labor and equipment utilization.

Concrete Segment

Revenues for our concrete segment for the nine months ended September 30, 2021 were $248.3 million compared to $249.2 million for the nine months ended September 30, 2021, a decrease of $1.0 million, or 0.4%. This decrease resulted from decreased production volumes in the current year period, in part due to job delays caused by bad weather.

Operating loss for our concrete segment for the nine months ended September 30, 2021 was $7.6 million, compared to $0.1 million for the nine months ended September 30, 2020, an increase in operating loss of $7.5 million. This increase in operating loss was primarily due to the aforementioned decreased production volumes due to weather related impacts, decreased project performance and lower margins on several projects during the 2021 period.

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Liquidity and Capital Resources

Our primary liquidity needs are to finance our working capital, fund capital expenditures, and pursue strategic acquisitions. Historically, our source of liquidity has been cash provided by our operating activities and borrowings under our credit facilities.

Changes in working capital are normal within our business given the varying mix in size, scope and timing of delivery of our projects. At September 30, 2021, our working capital was $49.2 million, as compared with $54.8 million at December 31, 2020. As of September 30, 2021, we had unrestricted cash on hand of $0.9 million. Our borrowing capacity at September 30, 2021 was approximately $29.3 million.

We expect to meet our future internal liquidity and working capital needs and maintain or replace our equipment fleet through capital expenditure purchases, leases and major repairs, from funds generated by our operating activities for at least the next 12 months. We believe our cash position is adequate for our general business requirements discussed above and to service our debt.

The following table provides information regarding our cash flows and our capital expenditures for the three and nine months ended September 30, 2021 and 2020:

	Three months ended				Nine months ended
	September 30,				September 30,
	2021		2020		2021		2020
Net income	$	(10,195)	$	11,803	$	(5,737)	$	16,554
Adjustments to remove non-cash and non-operating items		7,234		1,505		16,738		19,333
Cash flow from net income after adjusting for non-cash and non-operating items		(2,961)		13,308		11,001		35,887
Change in operating assets and liabilities (working capital)		(4,074)		(8,006)		(6,761)		2,489
Cash flows (used in) provided by operating activities	$	(7,035)	$	5,302	$	4,240	$	38,376
Cash flows (used in) provided by investing activities	$	(5,973)	$	(153)	$	14,489	$	(2,197)
Cash flows provided by (used) in financing activities	$	11,491	$	(12,760)	$	(19,425)	$	(34,533)
Capital expenditures (included in investing activities above)	$	(6,879)	$	(4,408)	$	(11,594)	$	(9,444)

Operating Activities. During the three months ended September 30, 2021, we used approximately $7.0 million in cash in our operating activities. The net cash outflow is comprised of $3.0 million of cash outflows from net loss, after adjusting for non-cash items and $4.0 million of cash outflows related to changes in net working capital. The changes in net working capital, which are reflected as changes in operating assets and liabilities in our Condensed Consolidated Statements of Cash Flows, were primarily driven by a $8.1 million outflow related to a decrease in our net position of accounts receivable and accounts payable plus accrued  liabilities during the period and a $1.2 million decrease in operating lease liabilities, partially offset by a $2.7 million inflow pursuant to the relative timing and significance of project progression and billings during the period and $2.6 million of other inflows.

During the nine months ended September 30, 2021, we generated approximately $4.2 million in cash from our operating activities. The net cash inflow is comprised of $11.0 million of cash inflows from net income, after adjusting for non-cash items and $6.8 million of cash outflows related to changes in net working capital. The changes in net working capital, which are reflected as changes in operating assets and liabilities in our

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Condensed Consolidated Statements of Cash Flows, were primarily driven by a $12.0 million outflow related to a decrease in our net position of accounts receivable and accounts payable plus accrued  liabilities during the period, a $3.8 million decrease in operating lease liabilities during the period, partially offset by a $7.1 million inflow pursuant to the relative timing and significance of project progression and billings during the period and $1.9 million of other inflows.

Investing Activities. Capital asset additions and betterments to our fleet were $6.9 million in the three months ended September 30, 2021, as compared with $4.4 million in the three months ended September 30, 2020. Proceeds from the sale of property and equipment were $0.9 in the three months ended September 30, 2021, as compared with $4.1 million in the three months ended September 30, 2020.

Capital asset additions and betterments to our fleet were $11.6 million in the nine months ended September 30, 2021, as compared with $9.4 million in the nine months ended September 30, 2020. Proceeds from the sale of property and equipment were $25.6 in the nine months ended September 30, 2021, as compared with $5.8 million in the nine months ended September 30, 2020. The increase in proceeds from the sale of property and equipment for the nine months ended September 30, 2021 is primarily related to the sale of our property in Tampa, Florida.

Financing Activities. During the three and nine months ended September 30, 2021, we drew down $13.0 million and $33 million, respectively from our revolving line of credit. During the nine months ended September 30, 2021 we repaid $19 million on our revolving line of credit.

During the three months ended June 30, 2021 we fully extinguished the term loan portion of our Credit Facility, in part using proceeds from the sale of property in Tampa, Florida.  The extinguishment of the term loan reduced our exposure to variability in interest rates and eliminated future loan amortization payment commitments.  Concurrent with extinguishing the term loan, we canceled the remaining open position on our interest rate swap, resulting in a $1.3 million loss on the mark to market value of the swap at the date of termination.  The $1.3 million was paid to the counterparty, cleared from the balance sheet as an interest rate swap liability, removed from Other Comprehensive Income and charged to interest expense during the quarter ended June 30, 2021.  Further, the remaining $0.8 million of unamortized deferred debt issuance costs were charged to interest expense related to the early extinguishment of the term loan.   There were no penalties incurred related to early payment of the term loan.

Sources of Capital

As of September 30, 2021, our available sources of capital consist of borrowing availability on our revolving line of credit of $29.3 million pursuant to our Credit Facility.

See Note 11 in the Notes to the Financial Statements (of this Form 10-Q) for further discussion on the Company’s Debt.

45

Bonding Capacity

We are often required to provide various types of surety bonds that provide additional security to our customers for our performance under certain government and private sector contracts. Our ability to obtain surety bonds depends on our capitalization, working capital, past performance and external factors, including the capacity of the overall surety market. At September 30, 2021, the capacity under our current bonding arrangement was at least $750 million, with approximately $85 million of projects being bonded. We believe our strong balance sheet and working capital position will allow us to continue to access our bonding capacity.

Effect of Inflation

We are subject to the effects of inflation through increases in the cost of raw materials, and other items such as fuel, concrete and steel. Due to the relative short-term duration of our projects, we are generally able to include anticipated price increases in the cost of our bids.

ITEM 3.            QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

In the normal course of business, our results of operations are subject to risks related to fluctuations in commodity prices and fluctuations in interest rates. Historically, our exposure to foreign currency fluctuations has not been material and has been limited to temporary field accounts located in foreign countries where we perform work. Foreign currency fluctuations were immaterial in this reporting period.

Commodity price risk

We are subject to fluctuations in commodity prices for concrete, steel products and fuel. Although we routinely attempt to secure firm quotes from our suppliers, we generally do not hedge against increases in prices for commodity products. Commodity price risks may have an impact on our results of operations due to the fixed-price nature of many of our contracts, although the short-term duration of our projects may allow us to include price increases in the costs of our bids.

Interest rate risk

At September 30, 2021, we had $19.0 million in outstanding borrowings under our credit facility, with a weighted average ending interest rate of 2.93%. Our objectives in managing interest rate risk are to lower our overall borrowing costs and limit interest rate changes on our earnings and cash flows. To achieve this, we closely monitor changes in interest rates, and we utilize cash from operations to reduce our debt position, if warranted.

ITEM 4.            CONTROLS AND PROCEDURES

Evaluation of Disclosure Controls and Procedures

As required, the Company’s management, with the participation of its Chief Executive Officer and Chief Financial Officer, have conducted an evaluation of the effectiveness of the Company’s disclosure controls and procedures (as such term is defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended) as of the end of the period covered by this quarterly report. Based on that evaluation, the Chief Executive Officer and Chief Financial Officer have concluded that the Company’s disclosure controls and procedures are effective as of September 30, 2021.

46

Changes in Internal Control over Financial Reporting

There were no changes to our internal control over financial reporting (as defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) that occurred during the quarter ended September 30, 2021 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

PART II.OTHER INFORMATION

ITEM 1.            LEGAL PROCEEDINGS

For information about litigation involving us, see Note 16 to the condensed consolidated financial statements in Part I of this report, which we incorporate by reference into this Item 1 of Part II.

ITEM 1A.RISK FACTORS

There have been no material changes to the risk factors previously disclosed in Part I, Item 1A, "Risk Factors", of our 2020 Form 10-K.

ITEM 2.UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

There were no sales of equity securities in the period ended September 30, 2021.

ITEM 3.DEFAULTS UPON SENIOR SECURITIES

None.

ITEM 4.            MINE SAFETY DISCLOSURES

Not applicable.

ITEM 5.            OTHER INFORMATION

None.

ITEM 6.            EXHIBITS

Exhibit Number	Description
3.1	Amended and Restated Certificate of Incorporation of Orion Group Holdings, Inc. (incorporated herein by reference to Exhibit 3.1 to the Company’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2016, filed with the Securities and Exchange Commission on August 5, 2016 (File No. 001-33891)).
3.2	Amended and Restated Bylaws of Orion Group Holdings, Inc. (incorporated herein by reference to Exhibit 3.2 to the Company’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2016, filed with the Securities and Exchange Commission on August 5, 2016 (File No. 001-33891)).

47

Exhibit Number	Description
10.1	Fourth Amendment to Employment Agreement by and between Orion Group Holdings, Inc. and Mark R. Stauffer, effective June 30, 2021. (incorporated herein by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K, filed with the Securities and Exchange Commission on July 2, 2021 (File No. 001-33891)).
10.2	Fourth Amendment to Employment Agreement by and between Orion Group Holdings, Inc. and Peter R. Buchler, effective June 30, 2021. (incorporated herein by reference to Exhibit 10.2 to the Company’s Current Report on Form 8-K, filed with the Securities and Exchange Commission on July 2, 2021 (File No. 001-33891)).
*31 .1	Certification of the Chief Executive Officer Pursuant to Rules 13a-14(a)/15d-14(a) of the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
*31 .2	Certification of the Chief Financial Officer Pursuant to Rules 13a-14(a)/15d-14(a) of the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
†32 .1	Certification of the Chief Executive Officer and the Chief Financial Officer pursuant to Title 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
*101.INS	XBRL Instance Document.
*101.SCH	Inline XBRL Taxonomy Extension Schema Document.
*101.CAL	Inline XBRL Extension Calculation Linkbase Document.
*101.DEF	Inline XBRL Taxonomy Extension Definition Linkbase Document.
*101.LAB	Inline XBRL Taxonomy Extension Label Linkbase Document.
*101.PRE	Inline XBRL Taxonomy Extension Presentation Linkbase Document.
*104	Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)

*     Filed herewith

†     Furnished herewith

48

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrant has duly caused this Report to be signed on its behalf by the undersigned, thereunto duly authorized.

		ORION GROUP HOLDINGS, INC.
October 29, 2021	By:	/s/ Mark R. Stauffer
		Mark R. Stauffer President and Chief Executive Officer
October 29, 2021	By:	/s/ Robert L. Tabb
		Robert L. Tabb Executive Vice President and Chief Financial Officer

49

EX-31.1

Exhibit 31.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER

PURSUANT TO RULE 13a - 14(a)/15d - 14(a)

OF THE SECURITIES EXCHANGE ACT, AS AMENDED

I, Mark R. Stauffer, certify that:

1.  I have reviewed this Form 10-Q of Orion Group Holdings, Inc;

2.  Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.  Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.  The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)), and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a)   Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b)   Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c)   Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d)   Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an Quarterly report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.  The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a)   All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b)   Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

By:	/s/ Mark R. Stauffer
October 29, 2021	Mark R. Stauffer
	President and Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER

PURSUANT TO RULE 13a - 14(a)/15d - 14(a)

OF THE SECURITIES EXCHANGE ACT, AS AMENDED

I, Robert L. Tabb, certify that:

1.  I have reviewed this Form 10-Q of Orion Group Holdings, Inc;

2.  Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.  Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.  The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)), and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a)   Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b)   Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c)   Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d)   Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an Quarterly report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.  The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a)   All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b)   Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

By:	/s/ Robert L. Tabb
October 29, 2021	Robert L. Tabb
	Executive Vice President and Chief Financial Officer

EX-32.1

Exhibit 32.1

SECTION 1350 CERTIFICATIONS

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Orion Group Holdings, Inc (the “Company”) on Form 10-Q for the quarter ended September 30, 2021 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), we, Mark R. Stauffer and Robert L. Tabb, Chief Executive Officer and Chief Financial Officer, respectively, of the Company, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that to our knowledge:

1) The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2) The information contained in the Report fairly presents, in all material respects, the financial condition and result of operations of the Company.

By:	/s/ Mark R. Stauffer
October 29, 2021	Mark R. Stauffer
	President and Chief Executive Officer
By:	/s/ Robert L. Tabb
October 29, 2021	Robert L. Tabb
	Executive Vice President and Chief Financial Officer

XML

Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2021	Oct. 28, 2021
Document and Entity Information [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Sep. 30, 2021
Entity File Number	1-33891
Entity Registrant Name	ORION GROUP HOLDINGS, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	26-0097459
Entity Address, Address Line One	12000 Aerospace Avenue
Entity Address, Address Line Two	Suite 300
Entity Address, City or Town	Houston
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	77034
City Area Code	713
Local Phone Number	852-6500
Title of 12(b) Security	Common stock, $0.01 par value per share
Trading Symbol	ORN
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		31,059,311
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q3
Entity Central Index Key	0001402829
Amendment Flag	false

XML

Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 893	$ 1,589
Accounts receivable:
Trade, net of allowance for credit losses of $323 and $411, at September 30, 2021 and December 31, 2020, respectively	83,984	96,369
Retainage	39,176	36,485
Income taxes receivable	483	419
Other current	66,041	59,492
Inventory	1,311	1,548
Contract assets	17,670	32,271
Prepaid expenses and other	5,498	7,229
Total current assets	215,056	235,402
Property and equipment, net of depreciation	106,685	125,497
Operating lease right-of-use assets, net of amortization	15,193	18,874
Financing lease right-of-use assets, net of amortization	12,135	12,858
Inventory, non-current	5,628	6,455
Intangible assets, net of amortization	8,936	10,077
Deferred income tax asset	41	70
Other non-current	4,681	4,956
Total assets	368,355	414,189
Current liabilities:
Current debt, net of debt issuance costs	19,139	4,344
Accounts payable:
Trade	31,163	48,252
Retainage	762	716
Accrued liabilities	83,419	84,637
Income taxes payable	332	639
Contract liabilities	25,631	33,135
Current portion of operating lease liabilities	3,970	4,989
Current portion of financing lease liabilities	1,408	3,901
Total current liabilities	165,824	180,613
Long-term debt, net of debt issuance costs	295	29,523
Operating lease liabilities	12,033	14,537
Financing lease liabilities	10,324	8,376
Other long-term liabilities	23,007	19,837
Deferred income tax liability	198	207
Interest rate swap liability		1,602
Total liabilities	211,681	254,695
Stockholders' equity:
Preferred stock -- $0.01 par value, 10,000,000 authorized, none issued
Common stock -- $0.01 par value, 50,000,000 authorized, 31,779,706 and 31,171,804 issued; 31,068,475 and 30,460,573 outstanding at September 30, 2021 and December 31, 2020, respectively	318	312
Treasury stock, 711,231 shares, at cost, as of September 30, 2021 and December 31, 2020, respectively	(6,540)	(6,540)
Accumulated other comprehensive loss		(1,602)
Additional paid-in capital	185,633	184,324
Retained loss	(22,737)	(17,000)
Total stockholders' equity	156,674	159,494
Total liabilities and stockholders' equity	$ 368,355	$ 414,189

XML

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Current assets:
Allowance for credit losses	$ 323	$ 411
Stockholders' Equity:
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, shares issued	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	31,779,706	31,171,804
Common stock, shares outstanding	31,068,475	30,460,573
Treasury stock, shares (in shares)	711,231	711,231

XML

Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Statement
Contract revenues	$ 139,907	$ 189,433	$ 439,091	$ 539,766
Costs of contract revenues	133,329	166,932	404,757	476,763
Gross profit	6,578	22,501	34,334	63,003
Selling, general and administrative expenses	15,733	15,270	44,078	47,651
Amortization of intangible assets	380	519	1,141	1,552
Gain on disposal of assets, net	(792)	(6,373)	(9,763)	(7,734)
Operating income (loss)	(8,743)	13,085	(1,122)	21,534
Other (expense) income:
Other income	50	115	159	251
Interest income	22	57	73	151
Interest expense	(523)	(1,151)	(4,506)	(3,722)
Other expense, net	(451)	(979)	(4,274)	(3,320)
Income (loss) before income taxes	(9,194)	12,106	(5,396)	18,214
Income tax expense	1,001	303	341	1,660
Net income (loss)	$ (10,195)	$ 11,803	$ (5,737)	$ 16,554
Basic earnings (loss) per share (in dollars per share)	$ (0.33)	$ 0.39	$ (0.19)	$ 0.55
Diluted earnings (loss) per share (in dollars per share)	$ (0.33)	$ 0.39	$ (0.19)	$ 0.55
Shares used to compute income (loss) per share:
Basic (in shares)	30,979,207	30,372,310	30,707,426	30,020,258
Diluted (in shares)	30,979,207	30,372,310	30,707,426	30,020,258

XML

Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (10,195)	$ 11,803	$ (5,737)	$ 16,554
Change in fair value of cash flow hedge, net of tax expense of $368 for the nine months ended September 30, 2021 and net of tax expense of $44 and tax benefit of $173 for the three and nine months ended September 30, 2020, respectively.		150	1,234	(577)
Total comprehensive income (loss)	$ (10,195)	$ 11,953	$ (4,503)	$ 15,977

XML

Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Statement of Comprehensive Income [Abstract]
Change in fair value of cash flow hedge, tax expense (benefit)	$ 44	$ 368	$ (173)

XML

Consolidated Statement of Stockholders' Equity - USD ($) $ in Thousands	Common Stock	Treasury Stock	Other Comprehensive Income (Loss)	Additional Paid-In Capital	Retained Earnings	Total
Beginning balance, shares at Dec. 31, 2019	30,303,395
Beginning treasury stock, shares at Dec. 31, 2019		(711,231)
Beginning balance at Dec. 31, 2019	$ 303	$ (6,540)	$ (1,045)	$ 182,523	$ (37,220)	$ 138,021
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation				462		462
Issue restricted stock, shares	185,356
Issuance of restricted stock	$ 2			(2)
Forfeiture of restricted stock (in shares)	(3,351)
Cash flow hedge			(984)			(984)
Net income (loss)					2,723	2,723
Ending balance, shares at Mar. 31, 2020	30,485,400
Ending treasury stock, shares at Mar. 31, 2020		(711,231)
Ending balance at Mar. 31, 2020	$ 305	$ (6,540)	(2,029)	182,983	(34,497)	140,222
Beginning balance, shares at Dec. 31, 2019	30,303,395
Beginning treasury stock, shares at Dec. 31, 2019		(711,231)
Beginning balance at Dec. 31, 2019	$ 303	$ (6,540)	(1,045)	182,523	(37,220)	138,021
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)						16,554
Ending balance, shares at Sep. 30, 2020	31,126,326
Ending treasury stock, shares at Sep. 30, 2020		(711,231)
Ending balance at Sep. 30, 2020	$ 311	$ (6,540)	(1,795)	184,214	(20,666)	155,524
Beginning balance, shares at Mar. 31, 2020	30,485,400
Beginning treasury stock, shares at Mar. 31, 2020		(711,231)
Beginning balance at Mar. 31, 2020	$ 305	$ (6,540)	(2,029)	182,983	(34,497)	140,222
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation				1,167		1,167
Payments related to tax withholding for stock-based compensation, shares	(9,727)
Payments related to tax withholding for stock-based compensation				(24)		(24)
Issue restricted stock, shares	638,938
Issuance of restricted stock	$ 6			(6)
Forfeiture of restricted stock (in shares)	(54,510)
Cash flow hedge			40			40
Net income (loss)					2,028	2,028
Ending balance, shares at Jun. 30, 2020	31,060,101
Ending treasury stock, shares at Jun. 30, 2020		(711,231)
Ending balance at Jun. 30, 2020	$ 311	$ (6,540)	(1,989)	184,120	(32,469)	143,433
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation				258		258
Issue restricted stock, shares	118,750
Issuance of restricted stock	$ 1			(1)
Purchase of vested stock-based awards, shares	(52,525)
Purchase of vested stock-based awards	$ (1)			(163)		(164)
Cash flow hedge			194			194
Net income (loss)					11,803	11,803
Ending balance, shares at Sep. 30, 2020	31,126,326
Ending treasury stock, shares at Sep. 30, 2020		(711,231)
Ending balance at Sep. 30, 2020	$ 311	$ (6,540)	(1,795)	184,214	(20,666)	$ 155,524
Beginning balance, shares at Dec. 31, 2020	31,171,804					31,171,804
Beginning treasury stock, shares at Dec. 31, 2020		(711,231)				(711,231)
Beginning balance at Dec. 31, 2020	$ 312	$ (6,540)	(1,602)	184,324	(17,000)	$ 159,494
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation				383		383
Exercise of stock options, shares	23,755
Exercise of stock options				86		86
Payments related to tax withholding for stock-based compensation, shares	(6,673)
Payments related to tax withholding for stock-based compensation				(36)		(36)
Cash flow hedge			230			230
Net income (loss)					928	928
Ending balance, shares at Mar. 31, 2021	31,188,886
Ending treasury stock, shares at Mar. 31, 2021		(711,231)
Ending balance at Mar. 31, 2021	$ 312	$ (6,540)	(1,372)	184,757	(16,072)	$ 161,085
Beginning balance, shares at Dec. 31, 2020	31,171,804					31,171,804
Beginning treasury stock, shares at Dec. 31, 2020		(711,231)				(711,231)
Beginning balance at Dec. 31, 2020	$ 312	$ (6,540)	(1,602)	184,324	(17,000)	$ 159,494
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)						$ (5,737)
Ending balance, shares at Sep. 30, 2021	31,779,706					31,779,706
Ending treasury stock, shares at Sep. 30, 2021		(711,231)				(711,231)
Ending balance at Sep. 30, 2021	$ 318	$ (6,540)		185,633	(22,737)	$ 156,674
Beginning balance, shares at Mar. 31, 2021	31,188,886
Beginning treasury stock, shares at Mar. 31, 2021		(711,231)
Beginning balance at Mar. 31, 2021	$ 312	$ (6,540)	(1,372)	184,757	(16,072)	161,085
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation				1,245		1,245
Payments related to tax withholding for stock-based compensation, shares	(32,755)
Payments related to tax withholding for stock-based compensation	$ (1)			(204)		(205)
Issue restricted stock, shares	489,850
Issuance of restricted stock	$ 5			(5)
Forfeiture of restricted stock (in shares)	(27,983)
Cash flow hedge			$ 1,372			1,372
Net income (loss)					3,530	3,530
Ending balance, shares at Jun. 30, 2021	31,617,998
Ending treasury stock, shares at Jun. 30, 2021		(711,231)
Ending balance at Jun. 30, 2021	$ 316	$ (6,540)		185,793	(12,542)	167,027
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation				526		526
Exercise of stock options, shares	4,791
Exercise of stock options				24		24
Payments related to tax withholding for stock-based compensation, shares	(130,764)
Payments related to tax withholding for stock-based compensation	$ (1)			(707)		(708)
Issue restricted stock, shares	287,681
Issuance of restricted stock	$ 3			(3)
Net income (loss)					(10,195)	$ (10,195)
Ending balance, shares at Sep. 30, 2021	31,779,706					31,779,706
Ending treasury stock, shares at Sep. 30, 2021		(711,231)				(711,231)
Ending balance at Sep. 30, 2021	$ 318	$ (6,540)		$ 185,633	$ (22,737)	$ 156,674

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Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Cash flows from operating activities
Net income	$ (5,737)	$ 16,554
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	16,881	18,175
Amortization of ROU operating leases	3,967	4,449
Amortization of ROU finance leases	2,259	2,487
Write-off of debt issuance costs upon debt extinguishment	790
Amortization of deferred debt issuance costs	430	529
Deferred income taxes	20	27
Stock-based compensation	2,154	1,887
Gain on disposal of assets, net	(9,763)	(7,734)
Allowance for credit losses		(487)
Change in operating assets and liabilities:
Accounts receivable	10,402	12,151
Income tax receivable	(64)
Inventory	279	(291)
Prepaid expenses and other	2,006	1,667
Contract assets	14,601	(1,807)
Accounts payable	(16,841)	(22,583)
Accrued liabilities	(5,530)	26,282
Operating lease liabilities	(3,803)	(4,079)
Income tax payable	(307)	(1,037)
Contract liabilities	(7,504)	(7,814)
Net cash provided by operating activities	4,240	38,376
Cash flows from investing activities:
Proceeds from sale of property and equipment	25,643	5,821
Purchase of property and equipment	(11,594)	(9,444)
Contributions to CSV life insurance	0	(99)
Insurance claim proceeds related to property and equipment	440	1,525
Net cash provided by (used in) investing activities	14,489	(2,197)
Cash flows from financing activities:
Borrowings from Credit Facility	33,000	10,000
Payments made on borrowings from Credit Facility	(49,086)	(41,225)
Loan costs from Credit Facility		(369)
Payments of finance lease liabilities	(2,500)	(2,751)
Payments related to tax withholding for stock-based compensation	(949)	(188)
Exercise of stock options	110
Net cash used in by financing activities	(19,425)	(34,533)
Net change in cash and cash equivalents	(696)	1,646
Cash and cash equivalents at beginning of period	1,589	1,086
Cash and cash equivalents at end of period	893	2,732
Supplemental disclosures of cash flow information, cash paid during the period for:
Interest	2,220	2,676
Taxes, net of refunds	$ 691	$ 2,500

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Description of Business and Basis of Presentation

9 Months Ended

Sep. 30, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Description of Business and Basis of Presentation

Orion Group Holdings, Inc. and Subsidiaries

Notes to Condensed Consolidated Financial Statements

(Tabular Amounts in thousands, Except Share and per Share Amounts)

(Unaudited)

1.Description of Business and Basis of Presentation

Description of Business

Orion Group Holdings, Inc., its subsidiaries and affiliates (hereafter collectively referred to as the "Company"), provide a broad range of specialty construction services in the infrastructure, industrial, and building sectors of the continental United States, Alaska, Canada and the Caribbean Basin. The Company’s marine segment services the infrastructure sector through marine transportation facility construction, marine pipeline construction, marine environmental structures, dredging of waterways, channels and ports, environmental dredging, design, and specialty services. Its concrete segment services the building sector by providing turnkey concrete construction services including pour and finish, dirt work, layout, forming, rebar, and mesh across the light commercial, structural and other associated business areas. The Company is headquartered in Houston, Texas with offices throughout its operating areas.

The tools used by the chief operating decision maker ("CODM") to allocate resources and assess performance are based on two reportable and operating segments: marine, which operates under the Orion brand and logo, and concrete, which operates under the TAS Commercial Concrete brand and logo.

Although we describe the business in this report in terms of the services the Company provides, its base of customers and the areas in which it operates, the Company has determined that its operations currently comprise two reportable segments pursuant to Financial Accounting Standards Board (“FASB”) Accounting Standards Codification (“ASC”) Topic 280, Segment Reporting.

In making this determination, the Company considered the similar economic characteristics of its operations that comprise its marine segment. For the marine segment, the methods used, and the internal processes employed, to deliver marine construction services are similar throughout the segment, including standardized estimating, project controls and project management. This segment has the same customers with similar funding drivers and are subject to similar regulatory regimes driven through Federal agencies such as the U.S. Army Corps of Engineers, U.S. Fish and Wildlife Service, U.S. Environmental Protection Agency and U.S. Occupational Safety and Health Administration ("OSHA"), among others. Additionally, the segment is driven by macro-economic considerations including the level of import/export seaborne transportation, development of energy-related infrastructure, cruise line expansion and operations, marine bridge infrastructure development, waterway pipeline crossings and the maintenance of waterways. These considerations, and others, are key catalysts for future prospects and are similar across the segment.

For the concrete segment, the Company also considered the similar economic characteristics of these operations. The methods used, and the internal processes employed, to deliver concrete construction services are similar throughout the segment, including standardized estimating, project controls and project management. The projects of this segment are subject to similar regulatory regimes such as OSHA. Additionally, this segment is driven by macro-economic considerations, including movements in population, commercial real estate development, institutional funding and expansion, and recreational development, specifically in metropolitan areas of Texas. These considerations, and others, are key catalysts for current operations and future prospects and are similar across the segment.

Basis of Presentation

The accompanying condensed consolidated financial statements and financial information included herein have been prepared pursuant to the interim period reporting requirements of Form 10-Q. Consequently, certain information and note disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States (“U.S. GAAP”) have been condensed or omitted. Readers of this report should also read the Company’s consolidated financial statements and the notes thereto included in its Annual Report on Form 10-K for the fiscal year ended December 31, 2020 (“2020 Form 10-K”) as well as Item 7 – Management’s Discussion and Analysis of Financial Condition and Results of Operations also included in its 2020 Form 10-K.

In the opinion of management, the accompanying unaudited condensed consolidated financial statements contain all adjustments considered necessary for a fair presentation of the Company’s financial position, results of operations, and cash flows for the periods presented. Such adjustments are of a normal recurring nature. Interim results of operations for the three and nine months ended September 30, 2021 are not necessarily indicative of the results that may be expected for the year ending December 31, 2021.

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Summary of Significant Accounting Principles

9 Months Ended

Sep. 30, 2021

Accounting Policies [Abstract]

Summary of Significant Accounting Principles

2.Summary of Significant Accounting Policies

The preparation of condensed consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period.  Management’s estimates, judgments and assumptions are continually evaluated based on available information and experience; however, actual amounts could differ from those estimates.

On an ongoing basis, the Company evaluates the significant accounting policies used to prepare its condensed consolidated financial statements, including, but not limited to, those related to:

● Revenue recognition from construction contracts;

● The recording of accounts receivable and allowance for credit losses;

● The carrying value of property, plant and equipment;

● Leases;

● Finite and infinite-lived intangible assets, testing for indicators of impairment;

● Stock-based compensation;

● Income taxes; and

● Self-insurance

Revenue Recognition

The Company’s revenue is derived from contracts to provide marine construction, dredging, turnkey concrete services, and other specialty services. The Company’s projects are typically brief in duration and very rarely span a period of over one year. The Company determines the appropriate accounting treatment for each contract

before work begins and, subject to qualifications discussed in the next paragraph, generally records contract over time.

Performance obligations are promises in a contract to transfer distinct goods or services to the customer and are the unit of account under Topic 606. Each of the Company’s contracts and related change orders typically represent a single performance obligation because the Company provides an integrated service and individual goods and services are not separately identifiable. Revenue is recognized over time because control of the promised goods and services are continuously transferred to the customer over the life of the contract. For contracts with multiple performance obligations, the Company allocates the contract’s transaction price to each performance obligation using its best estimate of the stand-alone selling price of each distinct good or service. Progress is measured by the percentage of actual contract costs incurred to date to total estimated costs for each contract. This method is used because management considers contract costs incurred to be the best available measure of progress on these contracts. Contract costs include all direct costs, such as material and labor, and those indirect costs incurred that are related to contract performance such as payroll taxes and insurance. General and administrative costs are charged to expense as incurred. Upfront costs, such as costs to mobilize personnel and equipment prior to satisfying a performance obligation are capitalized and amortized over the contract performance period.

Changes in job performance, job conditions and estimated profitability, including those arising from final contract settlements, may result in revisions to costs and reported revenue and are recognized in the period in which the revisions are determined. The effect of changes in estimates of contract revenue or contract costs is recognized as an adjustment to recognized revenue on a cumulative catch-up basis. When the Company anticipates a loss on a contract that is not yet complete, it recognizes the entire loss in the period in which such losses are determined. Revenue is recorded net of any sales taxes collected and paid on behalf of the customer, if applicable.

Contract revenue is derived from the original contract price as modified by agreed-upon change orders and estimates of variable consideration related to incentive fees and change orders or claims for which price has not yet been agreed by the customer. The Company estimates variable consideration based on its assessment of the most likely amount to which it expects to be entitled. Variable consideration is included in the estimated recognition of revenue to the extent it is probable that a significant reversal of cumulative recognized revenue will not occur. A determination that the collection of a claim is probable is based upon compliance with the terms of the contract and the extent to which the Company performed in accordance therewith but does not guarantee collection in full.

Assets and liabilities derived from contracts with customers include the following:

● Accounts Receivable: Trade, net of allowance - Represent amounts billed and currently due from customers and are stated at their estimated net realizable value.

● Accounts Receivable: Retainage - Represent amounts which have not been billed to or paid by customers due to retainage provisions in construction contracts, which amounts generally become payable upon contract completion and acceptance by the customer.

● Contract Assets - Represent revenues recognized in excess of amounts billed, which management believes will be billed and collected within one year of the completion of the contract and are recorded as a current asset, until such amounts are either received or written off.

● Contract Liabilities - Represent billings in excess of revenues recognized and are recorded as a current liability, until the underlying obligation has been performed or discharged.

Classification of Current Assets and Liabilities

The Company includes in current assets and liabilities amounts realizable and payable in the normal course of contract completion.

Cash, Cash Equivalents and Restricted Cash

The Company considers all highly liquid investments with a maturity of three months or less when purchased to be cash equivalents. At times, cash held by financial institutions may exceed federally insured limits. The Company has not historically sustained losses on its cash balances in excess of federally insured limits. Cash equivalents at September 30, 2021 and December 31, 2020 consisted primarily of overnight bank deposits.

The Company had no restricted cash as of September 30, 2021 and December 31, 2020.  

Risk Concentrations

Financial instruments that potentially subject the Company to concentrations of credit risk principally consist of accounts receivable.

The Company depends on its ability to continue to obtain federal, state and local governmental contracts, and indirectly, on the amount of funding available to these agencies for new and current governmental projects. Therefore, a portion of the Company’s operations is dependent upon the level and timing of government funding. Statutory mechanics liens provide the Company high priority in the event of lien foreclosures following financial difficulties of private owners, thus minimizing credit risk with private customers.

Accounts Receivable

Accounts receivable are stated at the historical carrying value, net of allowances for credit losses. The Company has significant investments in billed and unbilled receivables as of September 30, 2021 and December 31, 2020. Billed receivables represent amounts billed upon the completion of small contracts and progress billings on large contracts in accordance with contract terms and milestone achievements. Unbilled receivables on contracts represent recoverable costs and accrued profits that are not yet capable of being billed under the terms of the applicable contracts. Revenue associated with these billings is recorded net of any sales tax, if applicable.

Past due balances over 90 days and other higher risk receivables identified by management are reviewed individually for collectability. In establishing an allowance for credit losses, the Company evaluates its contract receivables and contract assets and thoroughly reviews historical collection experience, the financial condition of its customers, billing disputes and other factors. The Company writes off potentially uncollectible accounts receivable against the allowance for credit losses if it is determined that the amounts will not be collected or if a settlement with respect to a disputed receivable is reached for an amount that is less than the carrying value. As of September 30, 2021, and December 31, 2020, the Company has recorded an allowance for credit losses of $0.3 million and $0.4 million, respectively.

Balances billed to customers but not paid pursuant to retainage provisions in construction contracts generally become payable upon contract completion and acceptance by the owner. Retainage at September 30, 2021

totaled $39.2 million, of which $4.3 million is expected to be collected beyond September 30, 2022. Retainage at December 31, 2020 totaled $36.5 million.

From time to time, the Company negotiates change orders and claims with its customers. Unsuccessful negotiations of claims could result in a change to contract revenue that is less than amounts previously recorded, which could result in the recording of a loss in the amount of the shortfall. Successful claims negotiations could result in the recovery of previously recorded losses. Significant losses on receivables could adversely affect the Company’s financial position, results of operations and overall liquidity.

Advertising Costs

The Company primarily obtains contracts through the open bid process, and therefore advertising costs are not a significant component of expense. Advertising costs are expensed as incurred.

Environmental Costs

Costs related to environmental remediation are charged to expense. Other environmental costs are also charged to expense unless they increase the value of the property and/or provide future economic benefits, in which event the costs are capitalized. Environmental liabilities, if any, are recognized when the liability is considered probable and the amount can be reasonably estimated. The Company did not recognize any environmental liabilities as of September 30, 2021 or December 31, 2020.

Fair Value Measurements

The Company evaluates and presents certain amounts included in the accompanying condensed consolidated financial statements at “fair value” in accordance with U.S. GAAP, which requires the Company to base its estimates on assumptions that market participants, in an orderly transaction, would use to price an asset or liability, and to establish a hierarchy that prioritizes the information used to determine fair value. Refer to Note 8 for more information regarding fair value determination.

The Company generally applies fair value valuation techniques on a non-recurring basis associated with  (1) valuing assets and liabilities acquired in connection with business combinations and other transactions; (2) valuing potential impairment loss related to long-lived assets; and (3) valuing potential impairment loss related to goodwill and indefinite-lived intangible assets.

Inventory

Current inventory consists of parts and small equipment held for use in the ordinary course of business and is valued at the lower of cost (using historical average cost) or net realizable value. Where shipping and handling costs are incurred by the Company, these charges are included in inventory and charged to cost of contract revenue upon use. Non-current inventory consists of spare parts (including engines, cutters and gears) that require special order or long-lead times for manufacture or fabrication, but must be kept on hand to reduce downtime and is valued at the lower of cost (using historical average cost) or net realizable value.

Property and Equipment

Property and equipment are recorded at cost. Ordinary maintenance and repairs that do not improve or extend the useful life of the asset are expensed as incurred. Major renewals and betterments of equipment are capitalized and depreciated generally over three to ten years until the next scheduled maintenance.

When property and equipment are retired or otherwise disposed of, the cost and accumulated depreciation are removed from the accounts and any resulting gain or loss is included in results of operations for the respective period. Depreciation is computed using the straight-line method over the estimated useful lives of the related assets for financial statement purposes, as follows:

Automobiles and trucks	3 to 10 years
Buildings and improvements	10 to 30 years
Construction equipment	3 to 10 years
Vessels and other equipment	3 to 40 years
Office equipment	3 to 5 years

The Company generally uses accelerated depreciation methods for tax purposes where beneficial.

Dry-docking costs are capitalized and amortized using the straight-line method over a period ranging from three to seven years. Dry-docking costs include, but are not limited to, the inspection, refurbishment and replacement of steel, engine components, tailshafts, mooring equipment and other parts of the vessel. Amortization related to dry-docking activities is included as a component of depreciation. These costs and the related amortization periods are periodically reviewed to determine if the estimates are accurate. If warranted, a significant upgrade of equipment may result in a revision to the useful life of the asset, in which case the change is accounted for prospectively.

Property and equipment are reviewed for impairment whenever events or changes in circumstances indicate the carrying amount of an asset or asset group may not be recoverable. Recoverability of assets to be held and used is measured by a comparison of the carrying amount of an asset to estimated undiscounted future cash flows expected to be generated by the asset. If the carrying amount of an asset exceeds its estimated future cash flows, an impairment charge is recognized in the amount by which the carrying amount of the asset exceeds the fair value of the asset. Assets to be disposed of are separately presented in the balance sheet and reported at the lower of the carrying amount or the fair value, less the costs to sell, and are no longer depreciated. There were no assets classified as held for sale as of September 30, 2021 or December 31, 2020.

Leases

Management determines if a contract is or contains a lease at inception of the contract or modification of the contract. A contract is or contains a lease if the contract conveys the right to control the use of an identified asset for a period in exchange for consideration. Control over the use of the identified asset means the lessee has both (a) the right to obtain substantially all of the economic benefits from the use of the asset and (b) the right to direct the use of the asset.

Finance and operating lease right-of-use (“ROU”) assets and liabilities are recognized based on the present value of future minimum lease payments over the expected lease term at commencement date. As the implicit rate is not determinable in most of the Company’s leases, management uses the Company’s incremental borrowing rate based on the information available at commencement date in determining the present value of future payments. The expected lease term includes options to extend or terminate the lease when it is reasonably certain the Company will exercise such option. Lease expense for minimum lease payments is recognized on a straight-line basis over the expected lease term.

The Company’s lease arrangements have lease and non-lease components. Leases with an expected term of 12 months or less are not accounted for on the balance sheet and the related lease expense is recognized on a straight-line basis over the expected lease term.

The Company’s lease agreements do not contain any material residual value guarantees or material restrictive covenants.

See Note 18 for more information regarding leases.

Intangible Assets

Intangible assets that have finite lives are amortized. In addition, the Company evaluates the remaining useful life of intangible assets in each reporting period to determine whether events and circumstances warrant a revision of the remaining period of amortization. If the estimate of an intangible asset’s remaining life is changed, the remaining carrying value of such asset is amortized prospectively over that revised remaining useful life. Intangible assets that have infinite lives are not amortized, but are subject to impairment testing at least annually or more frequently if events or circumstances indicate that the asset may be impaired.

The Company has one infinite-lived intangible asset, a trade name, which it tests for impairment annually on October 31, or whenever events or circumstances indicate that the carrying amount of the trade name may not be recoverable. Impairment is calculated as the excess of the trade name’s carrying value over its fair value. The fair value of the trade name is determined using the relief from royalty method, a variation of the income approach. This method assumes that if a company owns intellectual property, it does not have to “rent” the asset and is, therefore, “relieved” from paying a royalty. Once a supportable royalty rate is determined, the rate is then applied to the projected revenues over the expected remaining life of the intangible assets to estimate the royalty savings. This approach is dependent on a number of factors, including estimates of future growth and trends, royalty rates, discount rates and other variables.

See Note 9 for additional discussion of intangible assets and trade name impairment testing.

Stock-Based Compensation

The Company recognizes compensation expense for equity awards over the vesting period based on the fair value of these awards at the date of grant. The computed fair value of these awards is recognized as a non-cash cost over the period the employee provides services, which is typically the vesting period of the award. The fair value of options granted is estimated on the date of grant using the Black-Scholes option-pricing model. The Black-Scholes option-pricing model requires the use of subjective assumptions in the computation. Changes in these assumptions can cause significant fluctuations in the fair value of the option award. The fair value of restricted stock grants is equivalent to the fair value of the stock issued on the date of grant and is measured as the closing price of the stock on the date of grant.

Compensation expense is recognized only for stock-based payments expected to vest. The Company estimates forfeitures at the date of grant based on historical experience and future expectations. This assessment is updated on a periodic basis. See Note 15 for further discussion of the Company’s stock-based compensation plan.

Income Taxes

The Company determines its consolidated income tax provision using the asset and liability method prescribed by U.S. GAAP, which requires the recognition of income tax expense for the amount of taxes payable or

refundable for the current period and for deferred tax liabilities and assets for the future tax consequences of events that have been recognized in an entity’s financial statements or tax returns. The Company must make significant assumptions, judgments and estimates to determine its current provision for income taxes, its deferred tax assets and liabilities, and any valuation allowance to be recorded against any deferred tax asset. The current provision for income tax is based upon the current tax laws and the Company’s interpretation of these laws, as well as the probable outcomes of any tax audits. The value of any net deferred tax asset depends upon estimates of the amount and category of future taxable income reduced by the amount of any tax benefits that the Company does not expect to realize. Actual operating results and the underlying amount and category of income in future years could render current assumptions, judgments and estimates of recoverable net deferred taxes inaccurate, thus impacting the Company’s financial position and results of operations. The Company computes deferred income taxes using the liability method. Under the liability method, deferred tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. Under the liability method, the effect on deferred tax assets and liabilities of a change in tax rates is recognized in income in the period that includes the enactment date.

The Company accounts for uncertain tax positions in accordance with the provisions of ASC 740, Income Taxes which prescribes a recognition threshold and measurement attribute for financial statement disclosure of tax positions taken, or expected to be taken, on its consolidated tax return. The Company evaluates and records any uncertain tax positions based on the amount that management deems is more likely than not to be sustained upon examination and ultimate settlement with the tax authorities in the tax jurisdictions in which it operates.

See Note 13 for additional discussion of income taxes.

Insurance Coverage

The Company maintains insurance coverage for its business and operations. Insurance related to property, equipment, automobile, general liability, and a portion of workers’ compensation is provided through traditional policies, subject to a deductible or deductibles. A portion of the Company’s workers’ compensation exposure is covered through a mutual association, which is subject to supplemental calls.

The marine segment maintains five levels of excess loss insurance coverage, totaling $200 million in excess of primary coverage. The marine segment’s excess loss coverage responds to most of its policies when a primary limit of $1 million has been exhausted; provided that the primary limit for Contingent Maritime Employer’s Liability is $10 million and the Watercraft Pollution Policy primary limit is $5 million. The concrete segment maintains five levels of excess loss insurance coverage, totaling $200 million in excess of primary coverage. The concrete segment’s excess loss coverage responds to most of its policies when a primary limit of $1 million has been exhausted.

If a claim arises and a potential insurance recovery is probable, the impending gain is recognized separately from the related loss. The recovery will only be recognized up to the amount of the loss once the recovery of the claim is deemed probable and any excess gain will fall under contingency accounting and will only be recognized once it is realized. The Company does not net insurance recoveries against the related claim liability as the amount of the claim liability is determined without consideration of the anticipated insurance recoveries from third parties.

Separately, the Company’s marine segment employee health care is paid for by general assets of the Company and currently administered by a third party. The administrator has purchased appropriate stop-loss coverage. Losses on these policies up to the deductible amounts are accrued based upon known claims incurred and an estimate of claims incurred but not reported. The accruals are derived from known facts, historical trends and industry averages to determine the best estimate of the ultimate expected loss.  Actual claims may vary from estimates. Any adjustments to such reserves are included in the Condensed Consolidated Results of Operations in the period in which they become known. The Company’s concrete segment employee health care is provided through two policies. A fully funded policy is offered primarily to salaried employees and their dependents while a partially self-funded plan with an appropriate stop-loss is offered primarily to hourly employees and their dependents. The self-funded plan is funded to the maximum exposure and, as a result, is expected to receive a partial refund after the policy expiration.

The total accrual for insurance claims liabilities was $67.4 million and $60.4 million at September 30, 2021 and December 31, 2020, respectively, reflected as a component of accrued liabilities in the condensed consolidated balance sheet. The total accrual for insurance claims receivable was $63.9 million and $57.0 million at September 30, 2021 and December 31, 2020, respectively, reflected as a component of other current accounts receivable in the condensed consolidated balance sheet.

Accounting Standards Adopted in 2021

The Financial Accounting Standards Board (“FASB”) issues accounting standards and updates (each, an "ASU") from time to time to its Accounting Standards Codification (‘ASC’), which is the primary source of U.S. GAAP. The Company regularly monitors ASUs as they are issued and considers applicability to its business. All ASUs are adopted by their respective due dates and in the manner prescribed by the FASB.

In December 2019, the FASB issued ASU 2019-12, Income Taxes: Simplifying the Accounting for Income Taxes (Topic 740).  This standard simplifies the accounting for income taxes by eliminating certain exceptions to the guidance in Topic 740 related to the approach for intra-period tax allocation, the methodology for calculating income taxes in an interim period and the recognition of deferred tax liabilities for outside basis differences. The standard also simplifies aspects of the accounting for franchise taxes and enacted changes in tax laws or rates and clarifies the accounting for transactions that result in a step-up in the tax basis of goodwill. ASU 2019-12 is effective for fiscal years beginning after December 15, 2020 and interim periods within that year. The adoption of this ASU had no material impact on the Company’s Condensed Consolidated Financial Statements.  

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Revenue

9 Months Ended

Sep. 30, 2021

Revenue from Contract with Customer [Abstract]

Revenue

3.Revenue

Contract revenues are recognized when control of the promised goods or services is transferred to the customer in an amount that reflects the consideration the Company expects to be entitled to in exchange for those goods or services. The following table represents a disaggregation of the Company’s contract revenues by service line for the marine and concrete segments:

	Three months ended September 30,				Nine months ended September 30,
	2021		2020		2021		2020
Marine Segment
Construction	$	38,883	$	86,505	$	121,678	$	205,459
Dredging		13,157		24,262		58,511		79,391
Specialty Services		2,699		2,114		10,638		5,699
Marine segment contract revenues	$	54,739	$	112,881	$	190,827	$	290,549
Concrete Segment
Structural	$	13,090	$	21,116	$	47,296	$	66,893
Light Commercial		72,078		55,436		200,961		182,311
Other		—		—		7		13
Concrete segment contract revenues	$	85,168	$	76,552	$	248,264	$	249,217
Total contract revenues	$	139,907	$	189,433	$	439,091	$	539,766

The Company has determined that it has two reportable segments pursuant to FASB ASC Topic 280, Segment Reporting, but has disaggregated its contract revenues in the above chart in terms of services provided within such segments. In making this determination, the Company considered the similar characteristics of its operations as discussed in Note 1. Additionally, as discussed, both the marine and concrete segments have limited contracts with multiple performance obligations. The Company’s contracts are often estimated and bid as one project and evaluated as to performance as one project, not by individual services performed by each. Both the marine and concrete segments have a single Executive Vice President responsible for the entire segment, not by service lines of the segments. Resources are allocated by segment and financial and budgetary information is compiled and reviewed by segment, not service line.

Marine Segment

Construction services include construction, restoration, maintenance, dredging and repair of marine transportation facilities, marine pipelines, bridges and causeways and marine environmental structures. Dredging services generally enhance or preserve the navigability of waterways or the protection of shorelines through the removal or replenishment of soil, sand or rock. Specialty services include design, salvage, demolition, surveying, towing, diving and underwater inspection, excavation and repair.

Concrete Segment

Structural services include elevated concrete pouring for products such as columns, elevated beams and structural walls. Light commercial services include horizontally poured concrete for products such as sidewalks, ramps, tilt walls and trenches. Other services comprise labor related to concrete pouring such as rebar installation and pumping services and typically support the Company’s structural and light commercial services.

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Concentration of Risk and Enterprise-Wide Disclosures

9 Months Ended

Sep. 30, 2021

Risks and Uncertainties [Abstract]

Concentration of Risk and Enterprise Wide Disclosures

4.Concentration of Risk and Enterprise-Wide Disclosures

Accounts receivable in both reportable segments include amounts billed to governmental agencies and private customers and do not bear interest. Balances billed to customers but not paid pursuant to retainage provisions generally become payable upon contract completion and acceptance by the owner.

The table below presents the concentrations of accounts receivable from customers (trade and retainage) at September 30, 2021 and December 31, 2020, respectively:

	September 30, 2021				December 31, 2020
Federal Government	$	3,028	2	%	$	4,826	4	%
State Governments		418	1	%		—	-	%
Local Governments		13,927	11	%		17,823	13	%
Private Companies		106,110	86	%		110,616	83	%
Gross receivables		123,483	100	%		133,265	100	%
Allowance for credit losses		(323)				(411)
Net receivables	$	123,160			$	132,854

At September 30, 2021, no single customer accounted for more than 10.0% of total current receivables. At December 31, 2020, no single customer accounted for more than 10.0% of total current receivables.

Additionally, the table below represents concentrations of contract revenue by type of customer for the three and nine months ended September 30, 2021 and 2020, respectively:

	Three months ended September 30,								Nine months ended September 30,
	2021		%		2020		%		2021		%		2020		%
Federal Government	$	14,716	11	%	$	16,499	9	%	$	39,825	9	%	$	32,720	6	%
State Governments		400	-	%		6,322	3	%		814	-	%		27,646	5	%
Local Government		22,765	16	%		54,316	29	%		94,857	22	%		158,176	29	%
Private Companies		102,026	73	%		112,296	59	%		303,595	69	%		321,224	60	%
Total contract revenues	$	139,907	100	%	$	189,433	100	%	$	439,091	100	%	$	539,766	100	%

In the three months ended September 30, 2021, no single customer exceeded 10.0% of total contract revenues. In the three months ended September 30, 2020, one customer in the Local Governments category accounted for 13.8% of total contract revenues. In the nine months ended September 30, 2021, no single customer exceeded 10.0% of total contract revenues. In the nine months ended September 30, 2020, one customer in the Local Governments category accounted for 11.2% of total contract revenues.

The Company does not believe that the loss of any one of its customers would have a material adverse effect on the Company or its subsidiaries and affiliates since no single specific customer sustains such a large portion of receivables or contract revenue over time.

The concrete segment primarily purchases concrete from select suppliers. The loss of any one of these suppliers could adversely impact short-term operations.

Contract revenues generated outside the United States totaled 0.0% and 0.9% of total revenues for the three months ended September 30, 2021 and 2020, respectively, and 0.6% and 1.8% for the nine months ended September 30, 2021 and 2020, respectively, and were primarily located in the Caribbean Basin and Mexico.

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Contracts in Progress

9 Months Ended

Sep. 30, 2021

Contractors [Abstract]

Contracts in Progress

5.Contracts in Progress

Contracts in progress are as follows at September 30, 2021 and December 31, 2020:

	September 30,		December 31,
	2021		2020
Costs incurred on uncompleted contracts	$	1,245,434	$	1,151,987
Estimated earnings		189,553		202,369
		1,434,987		1,354,356
Less: Billings to date		(1,442,948)		(1,355,220)
	$	(7,961)	$	(864)
Included in the accompanying Condensed Consolidated Balance Sheets under the following captions:
Contract assets	$	17,670	$	32,271
Contract liabilities		(25,631)		(33,135)
	$	(7,961)	$	(864)

Included in contract assets is approximately $3.8 million and $3.1 million at September 30, 2021 and December 31, 2020, respectively, related to claims and unapproved change orders. See Note 2 - Summary of Significant Accounting Policies to the Company’s condensed consolidated financial statements for discussion of the accounting for these claims.

Remaining performance obligations represent the transaction price of firm orders or other written contractual commitments from customers for which work has not been performed or is partially completed and excludes unexercised contract options and potential orders. As of September 30, 2021, the aggregate amount of the remaining performance obligations was approximately $572.8 million. Of this amount, the current expectation of the Company is that it will recognize $432.0 million, or 75%, in the next 12 months and the remaining balance thereafter.

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Property and Equipment

9 Months Ended

Sep. 30, 2021

Property, Plant and Equipment [Abstract]

Property and Equipment

6.Property and Equipment

The following is a summary of property and equipment at September 30, 2021 and December 31, 2020:

	September 30,		December 31,
	2021		2020
Automobiles and trucks	$	2,354	$	2,379
Building and improvements		34,797		44,324
Construction equipment		137,134		142,661
Vessels and other equipment		81,928		79,499
Office equipment		6,263		5,577
		262,476		274,440
Less: Accumulated depreciation		(190,091)		(186,615)
Net book value of depreciable assets		72,385		87,825
Construction in progress		6,415		1,809
Land		27,885		35,863
	$	106,685	$	125,497

During the quarter ended June 30, 2021 the Company sold its land, building and improvements located in Tampa, Florida.  The book value of the assets and related accumulated depreciation have been removed from the balance sheet and the Company recognized a net gain on the sale of $6.7 million.

For the three months ended September 30, 2021 and 2020, depreciation expense was $5.2 million and $5.3 million, respectively. For the nine months ended September 30, 2021 and 2020, depreciation expense was $15.7 million and $16.6 million, respectively. Substantially all depreciation expense is included in the cost of contract revenue in the Company’s Condensed Consolidated Statements of Operations. Substantially all of the assets of the Company are pledged as collateral under the Company’s Credit Agreement (as defined in Note 11).

Substantially all of the Company’s long-lived assets are located in the United States.

See Note 2 to the Company’s condensed consolidated financial statements for further discussion of property and equipment.

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Other Current Accounts Receivable

9 Months Ended

Sep. 30, 2021

Other Current Accounts Receivable

Other Current Accounts Receivable

7.Other Current Accounts Receivable

Other current accounts receivable at September 30, 2021 and December 31, 2020 consisted of the following:

	September 30, 2021		December 31, 2020
Insurance claims receivable	$	63,870	$	57,021
Accident loss receivables		1,361		1,448
Other current receivables		810		1,023
Total other current accounts receivable	$	66,041	$	59,492

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Fair Value

9 Months Ended

Sep. 30, 2021

Fair Value Disclosures [Abstract]

Fair Value

8.Fair Value

Recurring Fair Value Measurements

The fair value of financial instruments is the amount at which the instrument could be exchanged in a current transaction between willing parties. Due to their short-term nature, the Company believes that the carrying value of its accounts receivable, other current assets, accounts payable and other current liabilities approximate their fair values.

The Company classifies financial assets and liabilities into the following three levels based on the inputs used to measure fair value in the order of priority indicated:

● Level 1- fair values are based on observable inputs such as quoted prices in active markets for identical assets or liabilities;

● Level 2 - fair values are based on pricing inputs other than quoted prices in active markets for identical assets and liabilities and are either directly or indirectly observable as of the measurement date; and

● Level 3- fair values are based on unobservable inputs in which little or no market data exists.

Financial assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement. The Company’s assessment of the significance of a particular input to the fair value requires judgment and may affect the placement of assets and liabilities within the fair value hierarchy levels.

The following table sets forth by level within the fair value hierarchy the Company’s recurring financial assets and liabilities that were accounted for at fair value on a recurring basis as of September 30, 2021 and December 31, 2020:

			Fair Value Measurements
	Carrying Value		Level 1	Level 2	Level 3
September 30, 2021
Assets:
Cash surrender value of life insurance policy	$	3,417	—	3,417	—
Liabilities:
Derivatives	$	—	—	—	—
December 31, 2020
Assets:
Cash surrender value of life insurance policy	$	3,169	—	3,169	—
Liabilities:
Derivatives	$	1,602	—	1,602	—

The Company’s derivatives, which previously consisted of interest rate swaps, were valued using a discounted cash flow analysis that incorporated observable market parameters, such as interest rate yield curves and credit risk adjustments that were necessary to reflect the probability of default by us or the counterparty. These derivatives were classified as a Level 2 measurement within the fair value hierarchy. See Note 11 for additional information on the Company’s derivative instrument.

Our concrete segment has life insurance policies with a combined face value of $11.1 million as of September 30, 2021. The policies are invested in mutual funds and the fair value measurement of the cash surrender balance

associated with these policies is determined using Level 2 inputs within the fair value hierarchy and will vary with investment performance. These assets are included in the "Other noncurrent" asset section in the Company’s Condensed Consolidated Balance Sheets.

Non-Recurring Fair Value Measurements

The Company generally applies fair value valuation techniques on a non-recurring basis associated with (1) valuing assets and liabilities acquired in connection with business combinations and other transactions; (2) valuing potential impairment loss related to long-lived assets; and (3) valuing potential impairment loss related to the infinite-lived intangible asset.

Other Fair Value Measurements

The fair value of the Company’s debt at September 30, 2021 and December 31, 2020 approximated its carrying value of $19.4 million and $35.1 million, respectively, as interest is based on current market interest rates for debt with similar risk and maturity. If the Company’s debt was measured at fair value, it would have been classified as Level 2 in the fair value hierarchy.

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Goodwill and Intangible Assets

9 Months Ended

Sep. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

9.Goodwill and Intangible Assets

Intangible assets

The tables below present the activity and amortization of finite-lived intangible assets:

	September 30,		December 31,
	2021		2020
Finite-lived intangible assets, beginning of period	$	35,240	$	35,240
Additions		—		—
Total finite-lived intangible assets, end of period	$	35,240	$	35,240
Accumulated amortization, beginning of period	$	(32,055)	$	(29,985)
Current year amortization		(1,141)		(2,070)
Total accumulated amortization		(33,196)		(32,055)
Net finite-lived intangible assets, end of period	$	2,044		3,185
Infinite-lived intangible assets		6,892		6,892
Total net intangible assets	$	8,936	$	10,077

Remaining net finite-lived intangible assets were acquired as part of the purchase of TAS during 2015 and TBC during 2017 and included customer relationships. Customer relationships were valued at approximately $18.8 million and are being amortized over eight years using an accelerated method based on the pattern in which the economic benefits of the assets are consumed. For the nine months ended September 30, 2021, $1.1 million of amortization expense was recognized for these assets.

Future expense remaining of approximately $2.0 million will be amortized as follows:

2021		379
2022		1,239
2023		389
2024		37
	$	2,044

Additionally, the Company has one indefinite-lived intangible asset, a trade name, which is tested for impairment annually on October 31, or whenever events or circumstances indicate that the carrying amount of the trade name may not be recoverable. Impairment is calculated as the excess of the trade name’s carrying value over its fair value. The fair value of the trade name is determined using the relief from royalty method, a variation of the income approach. This method assumes that if a company owns intellectual property it does not have to "rent" the asset and is, therefore, "relieved" from paying a royalty. Once a supportable royalty rate is determined, the rate is then applied to the projected revenues over the expected remaining life of the intangible assets to estimate the royalty savings. This approach is dependent on a number of factors, including estimates of future growth and trends, royalty rates, discount rates and other variables. The most recent annual impairment test concluded that the fair value of the trade name was in excess of the carrying value, therefore no impairment was recorded.

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Accrued Liabilities

9 Months Ended

Sep. 30, 2021

Payables and Accruals [Abstract]

Accrued Liabilities

10.Accrued Liabilities

Accrued liabilities at September 30, 2021 and December 31, 2020 consisted of the following:

	September 30, 2021		December 31, 2020
Accrued salaries, wages and benefits	$	7,537	$	15,071
Accrual for insurance claims liabilities		67,414		60,365
Sales taxes		4,162		5,909
Property taxes		1,167		908
Sale-leaseback arrangement		726		676
Accounting and audit fees		213		344
Interest		22		22
Equipment purchase		—		461
Other accrued expenses		2,178		881
Total accrued liabilities	$	83,419	$	84,637

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Long-term Debt And Line of Credit

9 Months Ended

Sep. 30, 2021

Debt Disclosure [Abstract]

Long-term Debt and Line of Credit

11.Long-term Debt and Line of Credit

The Company entered into an amended syndicated credit agreement (the “Credit Agreement” also known as the “Fourth Amendment”) on July 31, 2018 with Regions Bank, as administrative agent and collateral agent, and the following co-syndication agents:  Bank of America, N.A., BOKF, NA dba Bank of Texas, KeyBank National Association, NBH Bank, IBERIABANK, Trustmark National Bank, First Tennessee Bank NA, and Branch Banking and Trust Company. The Credit Agreement was subsequently amended in March 2019 (the “Fifth Amendment”), May 2019 (the “Sixth Amendment”) June 2020 (the “Seventh Amendment”) and October 2020 (the “Eighth Amendment”).  The company incurred debt issuance costs related to the initial Credit Agreement and several of the subsequent amendments.  The Credit Facility matures on July 31, 2023.

The Credit Agreement, which may be amended from time to time, provides for borrowings under a revolving line of credit and a term loan (together, the “Credit Facility”). The Credit Facility is guaranteed by the subsidiaries of the Company, secured by the assets of the Company, including stock held in its subsidiaries, and may be used to finance general corporate and working capital purposes, to finance capital expenditures, to refinance existing indebtedness, to finance permitted acquisitions and associated fees, and to pay for all related expenses to the Credit Facility. Interest is due and is computed based on the designation of the loan, with the option of a Base Rate Loan (the base rate plus the Applicable Margin), or an Adjusted LIBOR Rate Loan (the adjusted LIBOR rate plus the Applicable Margin). Interest is due on the last day of each quarter end for Base Rate Loans and at the end of the LIBOR rate period for Adjusted LIBOR Rate Loans. Principal balances drawn under the Credit Facility may be prepaid at any time, in whole or in part, without premium or penalty. Amounts repaid under the revolving line of credit may be re-borrowed.

Total debt issuance costs for the Fourth Amendment which included underwriter fees, legal fees and syndication fees were approximately $0.9 million and were capitalized as non-current deferred charges and scheduled for amortization using the effective interest rate method over the duration of the loan. The Company incurred additional debt issuance costs of approximately $0.6 million and $0.9 million respectively for the Fifth and Sixth Amendments. With the execution of the aforementioned Sixth Amendment, $50.0 million of the existing revolving line of credit was modified and accounted for under guidelines of ASC 470-50, Debt, Modifications and Extinguishments, and a pro-rated portion of unamortized debt issuance costs of approximately $0.4 million was recognized as interest expense as of May 2019. The then remaining debt issuance costs of approximately $0.9 million related to the Fourth, Fifth, and Sixth Amendments were scheduled to be amortized over the duration of the term loan, which coincides with the term of the Credit Facility.

On June 8, 2020, the Company entered into a new syndicated credit agreement (the “364-Day Revolving Credit Facility”) with Regions Bank, as administrative agent and collateral agent, and the following co-syndication agents:  Bank of America, N.A. and BOKF, NA dba Bank of Texas. Concurrent with this the Company executed an amendment to the Credit Agreement with its existing lenders (“also known as the “Seventh Amendment”) for the sole intent and outcome of executing the 364-Day Revolving Credit Facility.

The 364-Day Revolving Credit Facility provided for borrowings of up to $20 million under a new revolving line of credit.  No funds were ever drawn on the 364-Day Revolving Credit Facility.  The 364-Day Revolving Credit Facility matured on June 7, 2021. 

Effective, October 9, 2020, the Company entered into the Eighth Amendment to the Credit Agreement") , with Regions Bank, as Administrative Agent and Collateral Agent and Bank of America, N.A., BOKF, NA dba Bank of Texas, Iberiabank, NBH Bank, Truist Bank, and Trustmark National Bank, as Lenders. The Eighth Amendment provides for administrative revisions to the Credit Agreement, including changes to repayment requirements for involuntary asset dispositions and changes to the timing of repayment for voluntary asset dispositions.  There were no debt issuance costs incurred with respect to the Eighth Amendment.

The quarterly weighted average interest rate for the Credit Facility as of September 30, 2021 was 2.92%.

The Company’s obligations under debt arrangements consisted of the following:

	September 30, 2021						December 31, 2020
			Debt Issuance						Debt Issuance
	Principal		Costs(1)		Total		Principal		Costs(1)		Total
Revolving line of credit	$	19,000	$	—	$	19,000	$	—	$	—	$	—
Term loan - current		—		—		—		4,500		(156)		4,344
Other debt		139		—		139		—		—		—
Total current debt		19,139		—		19,139		4,500		(156)		4,344
Revolving line of credit		—		—		—		5,000		(174)		4,826
Term loan - long-term		—		—		—		25,586		(889)		24,697
Other debt		295		—		295		—		—		—
Total long-term debt		295		—		295		30,586		(1,063)		29,523
Total debt	$	19,434	$	—	$	19,434	$	35,086	$	(1,219)	$	33,867

(1) Total debt issuance costs include underwriter fees, legal fees and syndication fees and fees related to the execution of the Fourth, Fifth, Sixth, Seventh and Eighth Amendments to the Credit Agreement.

Provisions of the revolving line of credit

The Company has a maximum borrowing availability under the revolving line of credit and swingline loans (as defined in the Credit Agreement) of $50.0 million. There is a letter of credit sublimit that is equal to the lesser of $20.0 million and the aggregate unused amount of the revolving commitments then in effect. There is also a swingline sublimit equal to the lesser of $5.0 million and the aggregate unused amount of the revolving commitments then in effect.

Revolving loans may be designated as Base Rate Loan or Adjusted LIBOR Rate Loans, at the Company’s request, and must be drawn in an aggregate minimum amount of $1.0 million and integral multiples of $250,000 in excess of that amount. Swingline loans must be drawn in an aggregate minimum amount of $250,000 and integral multiples of $50,000 in excess of that amount. The Company may convert, change, or modify such designations from time to time.

The Company is subject to a commitment fee for the unused portion of the maximum borrowing availability under the revolving line of credit. The commitment fee, which is due quarterly in arrears, is equal to the Applicable Margin of the actual daily amount by which the Aggregate Revolving Commitments exceeds the Total Revolving Outstanding. The revolving line of credit termination date is the earlier of the Credit Facility termination date, July 31, 2023, or the date the outstanding balance is permanently reduced to zero, in accordance with the terms of the amended Credit Facility.

The maturity date for amounts drawn under the revolving line of credit is the earlier of the Facility termination date of July 31, 2023, or the date the outstanding balance is permanently reduced to zero.

As of September 30, 2021, the Company had $19.0 million of borrowings under the revolving line of credit. There were $1.7 million in outstanding letters of credit as of September 30, 2021, which reduced the maximum borrowing availability on the revolving line of credit to $29.3 million. During the nine months ended September 30, 2021, the Company drew down $33.0 million for general corporate purposes and made payments of $19.0 million on the revolving line of credit which resulted in a net increase of $14.0 million.

Provisions of the term loan

The original principal amount of $60.0 million for the term loan commitment was paid off in quarterly installment payments (as stated in the Credit Agreement). During the quarter ended June 30, 2021, the term loan component of the Credit Facility was fully extinguished, in part using proceeds of the sale of property in Tampa, Florida (see Note 6 – Property and Equipment).  The extinguishment of the term loan reduced the Company’s exposure to variability in interest rates and eliminated future loan amortization payment commitments.  Concurrent with extinguishing the term loan, the Company canceled the remaining open position on its interest rate swap, resulting in a $1.3 million loss on the mark to market value of the swap at the date of termination.  The $1.3 million was paid to the counterparty, cleared from the balance sheet as an interest rate swap liability, removed from Other Comprehensive Income and charged to interest expense during the quarter ended June 30, 2021.  Further, the remaining $0.8 million of unamortized deferred debt issuance costs were charged to interest expense related to the early extinguishment of the term loan.   There were no penalties incurred related to early payment of the term loan.

Other debt

The Company entered into a debt agreement with De Lage Landen Financial Services, Inc. for the purpose of financing a piece of equipment purchased.  As of September 30, 2021, the carrying value of this debt is $0.4 million. The agreement is secured by the financed equipment asset and the debt is included as a component of current debt and long-term debt on the Condensed Consolidated Balance Sheets.

Financial covenants

Restrictive financial covenants under the Credit Facility include:

● A consolidated Fixed Charge Coverage Ratio to not be less than the following during each noted period:

- Fiscal Quarter Ending December 31, 2019 and each Fiscal Quarter thereafter, to not be less than 1.25 to 1.00.

● A consolidated Leverage Ratio to not exceed the following during each noted period:

- Fiscal Quarter Ending March 31, 2020 and each Fiscal Quarter thereafter, to not exceed 3.00 to 1.00.

In addition, the Credit Facility contains events of default that are usual and customary for similar arrangements, including non-payment of principal, interest or fees; breaches of representations and warranties that are not timely cured; violation of covenants; bankruptcy and insolvency events; and events constituting a change of control.

The Company was in compliance with all financial covenants as of September 30, 2021.

Derivative Financial Instruments

On September 16, 2015, the Company entered into a series of receive-variable, pay-fixed interest rate swaps to hedge the variability in the interest payments on 50% of the aggregate principal amount of the Regions Term Loan outstanding, beginning with a notional amount of $67.5 million. There was a total of five sequential interest rate swaps to achieve the hedged position and each year on August 31, with the exception of the final swap, the existing interest rate swap was scheduled to expire and be immediately replaced with a new interest rate swap until the expiration of the final swap on July 31, 2020. On December 6, 2018, the Company entered

into a sixth receive-variable, pay-fixed interest rate swap to hedge the variability of interest payments. The sixth swap began with a notional amount of $27.0 million on July 31, 2020 and hedged the variability in the interest payments on the aggregate scheduled principal amount of the Regions Term Loan outstanding. The sixth swap was scheduled to expire on July 31, 2023. At inception, these interest rate swaps were designated as cash flow hedges for hedge accounting, and as such, the effective portion of unrealized changes in market value were recorded in other comprehensive income (loss) and reclassified into earnings during the period in which the hedged forecasted transaction affects earnings.   Gains and losses from hedge ineffectiveness were recognized in current earnings.

Upon fully extinguishing the Term Loan during the quarter ended June 30, 2021, the Company canceled the remaining term of the sixth swap and no longer owns derivative financial instruments.

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Other Long-Term Liabilities

9 Months Ended

Sep. 30, 2021

Liabilities, Other than Long-term Debt, Noncurrent [Abstract]

Other Long-Term Liabilities

12.Other Long-Term Liabilities

Other long-term liabilities at September 30, 2021 and December 31, 2020 consisted of the following:

	September 30, 2021		December 31, 2020
Sale-leaseback arrangement	$	16,164	$	16,712
CARES Act deferred payroll taxes		3,821		—
Deferred compensation		2,760		2,818
Accrual for insurance claims liabilities		262		307
Total other long-term liabilities	$	23,007	$	19,837

Sale-Leaseback Arrangement

On September 27, 2019, the Company entered into a purchase and sale agreement (the “Purchase and Sale Agreement”). Pursuant to the terms of the Purchase and Sale Agreement, the Company sold its 17300 & 17140 Market Street location in Channelview, Texas (the “Property”) for a purchase price of $19.1 million. Concurrent with the sale of the Property, the Company entered into a fifteen-year lease agreement (the “Lease Agreement”), whereby the Company will lease back the Property at an annual rental rate of approximately $1.5 million, subject to annual rent increases of 2.0%. Under the Lease Agreement, the Company has two consecutive options to extend the term of the Lease by ten years for each such option. This transaction was recorded as a failed sale-leaseback. The Company recorded a liability for the amounts received, will continue to depreciate the non-land portion of the asset, and has imputed an interest rate so that the net carrying amount of the financial liability and remaining assets will be zero at the end of the initial lease term. Concurrently with the sale, the Company paid $18.2 million towards the Term loan portion of the Company’s Credit Facility, consistent with terms of the Sixth Amendment.

CARES Act

On March 27, 2020, the U.S. government enacted the Coronavirus Aid, Relief, and Economic Security Act (“CARES Act”) which among other things includes an optional payment deferral of the employer's portion of the Social Security taxes that were otherwise due through December 31, 2020. The Company elected to defer payments of approximately $7.6 million with $3.8 million due December 2021 reflected in accrued liabilities included in the Company’s Condensed Consolidated Balance Sheets and the remaining $3.8 million due

December 2022 reflected in other long-term liabilities in the Company’s Condensed Consolidated Balance Sheets.

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Income Taxes

9 Months Ended

Sep. 30, 2021

Income Tax Disclosure [Abstract]

Income Taxes

13.Income Taxes

The Company’s effective tax rate is based on expected income, statutory rates and tax planning opportunities available to it. For interim financial reporting, the Company estimates its annual tax rate based on projected taxable income for the full year and records a quarterly tax provision in accordance with the anticipated annual rate.

Income tax expense included in the Company’s accompanying Condensed Consolidated Statements of Operations was as follows (in thousands, except percentages):

	Three months ended						Nine months ended
	September 30,						September 30,
		2021			2020			2021			2020
Income tax expense	$	1,001		$	303		$	341		$	1,660
Effective tax rate		(10.9)	%		2.5	%		(6.3)	%		9.1	%

The effective rate for the three and nine months ended September 30, 2021 differed from the Company’s statutory federal rate of 21% primarily due to the movement in the valuation allowance for current year activity, state income taxes and the non-deductibility of other permanent items.

The Company assessed the realizability of its deferred tax assets and determined that it was more likely than not that some portion or all the deferred tax assets would not be realized and therefore recorded a valuation allowance on the net deferred tax assets. The Company assesses the available positive and negative evidence to estimate if sufficient future taxable income will be generated to use the existing deferred tax assets. The Company considers the scheduled reversal of deferred tax liabilities, available carryback periods, and tax-planning strategies in making this assessment. For the period ended September 30, 2021 the Company evaluated all positive and negative evidence in determining the amount of deferred tax assets more likely than not to be realized. Based on the review of available evidence, Management believes that a valuation allowance on the net deferred tax assets at September 30, 2021 remains appropriate.

The Company does not expect that unrecognized tax benefits as of September 30, 2021 for certain federal income tax matters will significantly change due to any settlement and/or expiration of statutes of limitations over the next 12 months. The final outcome of these tax positions is not yet determinable. The Company’s uncertain tax benefits, if recognized, would affect the Company’s effective tax rate.

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Earnings Per Share

9 Months Ended

Sep. 30, 2021

Earnings Per Share [Abstract]

Earnings (Loss) Per Share

14.Earnings Per Share

Basic earnings per share is based on the weighted average number of common shares outstanding during each period. Diluted earnings per share is based on the weighted average number of common shares outstanding as well as the effect of all dilutive common stock equivalents during each period net income is generated. For the three months ended September 30, 2021 and 2020, the Company had 793,028 and 1,086,882 securities, respectively, that were potentially dilutive in earnings per share calculations. For the nine months ended September 30, 2021 and 2020, the Company had 866,925 and 1,220,314 securities, respectively, that were potentially dilutive in earnings per share calculations. Such dilution is dependent on the excess of the market price of our stock over the exercise price and other components of the treasury stock method.  The exercise

price for certain stock options awarded by the Company exceeded the average market price of the Company’s common stock for the three and nine months ended September 30, 2021 and 2020. Such stock options are antidilutive and are not included in the computation of earnings per share for those periods.

The following table reconciles the denominators used in the computations of both basic and diluted earnings per share:

	Three months ended September 30,		Nine months ended September 30,
	2021	2020	2021	2020
Basic:
Weighted average shares outstanding	30,979,207	30,372,310	30,707,426	30,020,258
Diluted:
Total basic weighted average shares outstanding	30,979,207	30,372,310	30,707,426	30,020,258
Effect of potentially dilutive securities:
Common stock options	—	—	—	—
Total weighted average shares outstanding assuming dilution	30,979,207	30,372,310	30,707,426	30,020,258

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Stock-Based Compensation

9 Months Ended

Sep. 30, 2021

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Stock-Based Compensation

15.Stock-Based Compensation

The Compensation Committee of the Company’s Board of Directors is responsible for the administration of the Company’s  stock incentive plans, which include the balance of shares remaining under the 2011 Long Term Incentive Plan (the "2011 LTIP") and 2017 Long Term Incentive Plan (the "2017 LTIP"), which was approved by shareholders in May 2017 and authorized the maximum aggregate number of shares to be issued of 2,400,000. In general, the Company’s 2017 LTIP provides for grants of restricted stock and stock options to be issued with a per-share price equal to the fair market value of a share of common stock on the date of grant. Option terms are specified at each grant date but generally are 10 years from the date of issuance. Options generally vest over a three to five-year period.

The Company applies a 3.2% and a 5.5% forfeiture rate, which is compounded over the vesting terms of the individual award, to its restricted stock and option grants, respectively, based on historical analysis.

In the three months ended September 30, 2021 and 2020, compensation expense related to stock-based awards outstanding was $0.5 million and $0.3 million, respectively. In the nine months ended September 30, 2021 and 2020, compensation related to stock-based awards outstanding was $2.2 million and $1.9 million, respectively. In the three months ended September 30, 2021 and 2020, payments related to tax withholding for stock-based compensation for certain officers of the Company was $0.7 million and $0.2 million, respectively. In the nine months ended September 30, 2021 and 2020, payments related to tax withholding for stock-based compensation for certain officers of the Company was $0.9 million and $0.2 million, respectively.

In May 2021, independent directors as well as certain officers and executives of the Company were granted 489,850 shares of restricted common stock. The total number included 89,850 shares, which were awarded to the six independent directors and vested immediately on the date of the grant, as well as 240,000 shares of performance-based stock awards to certain executives. The performance-based stock will potentially vest 100% if the target is met, with 100% of the shares to be earned based on the achievement of an objective, tiered return on invested capital, measured over a three-year performance period. The Company evaluates the probability of achieving this each reporting period. The fair value of all shares awarded on the date of the grant was $6.01 per share.

In August 2021, the Company determined the performance-based stock awarded in May 2020 vested near the outperformance level established above the target set based on the achievement of an objective, tiered return on invested capital, measured over a one-year performance period ending June 30, 2021. As a result, the executives earned an additional 259,565 shares of performance-based stock awards with a fair value of $2.26, of which 50% vested immediately on the date of determination and 25% each will vest on the first and second anniversary of the date of determination.

In September 2021, the Company granted an independent director 18,215 shares of restricted common stock, which vested immediately on the date of grant. The fair value of all shares awarded on the date of grant was $5.49.

In September 2021, the Company granted an executive of the Company 9,901 shares of restricted common stock with a vesting period of three year and a fair value of $5.05 per share.

In the three months ended September 30, 2021, there were 4,791 options exercised generating proceeds to the Company of less than $0.1 million. In the nine months ended September 30, 2021, there were 28,546 options exercised generating proceeds to the Company of approximately $0.1 million. In the three and nine months ended September 30, 2020, there were no options exercised.

At September 30, 2021, total unrecognized compensation expense related to unvested stock was approximately $3.8 million, which is expected to be recognized over a period of approximately 2.3 years.

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Commitments and Contingencies

9 Months Ended

Sep. 30, 2021

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

16.Commitments and Contingencies

On August 21, 2020, a Company dredge, the Waymon L. Boyd, was consumed by a fire while working on a project in the Port of Corpus Christi. Five crewmembers were killed, several more were injured, some seriously, and the vessel was declared a total loss. This incident also resulted in the discharge of approximately 18,000 gallons of oil, diesel fuel and contaminated water into the Corpus Christi Ship Channel, all of which was promptly cleaned up. The Company is fully cooperating with the U.S. Coast Guard, the Port of Corpus Christi Authority, and the National Transportation Safety Board, among others, while they investigate the cause of this incident. The National Transportation Safety Board has named the Company as a party of interest in their investigation. Thus far, eight separate lawsuits have been filed against the Company by certain crewmembers or their heirs under the general maritime law and the Jones Act. In response thereto, the Company has filed an action in the U.S. District Court for the Southern District of Texas seeking consolidation of the lawsuits for procedural purposes since they all arise out of the same occurrence and seeking exoneration from or limitation of liability relating to the foregoing incident as provided for in the federal rules of procedure for maritime claims. The Limitation Court set a deadline of February 17, 2021 by which all claims were required to be filed and as of the Court’s deadline, thirteen persons, estates and/or entities filed claims in the Limitation for personal injuries, death, property damages and business interruption, loss of profit, loss of use of natural resources and other economic damages for unspecified economic and compensatory damages. Some of these claimants may lack standing to bring their claims and will be challenged. Further, the Company filed a Default Motion with the Court which was granted on April 8, 2021 that bars the filing of any further claims. Applicable accounting guidance under ASC 450 would require the Company to recognize a loss if the loss is determined to be probable and reasonably estimable. As at September 30, 2021, we have recognized $102.1 Million in total liabilities with respect to this incident to date, which includes approximately $39.6 Million paid to date (including full settlements with 12 of the 18 crewmembers and wreck removal costs) and accruals totaling approximately $62.4 Million. However, this is a multi-party, complex tort proceeding, and it is too early in the proceedings for the Company to establish loss accruals regarding the balance of the claims. In any event, insurance coverage

is available, the carriers of such insurance have taken over the costs of the defense of the claims and have reimbursed the Company $37.8 Million to date. In addition, the Company continues to believe that it has adequate insurance coverage for all pollution, marine, economic, and other potential liabilities arising from the incident. The Company also remains confident that it otherwise has adequate vessels, equipment, and personnel to fulfill all ongoing, booked and reasonably foreseeable work. Discovery has commenced and a trial date has been scheduled for March 21, 2022. 

In addition, the Company is involved in various other legal and other proceedings which are incidental to the conduct of its business, none of which in the opinion of management will have a material effect on the Company’s financial condition, results of operations or cash flows. Management believes that it has recorded adequate accrued liabilities and believes that it has adequate insurance coverage or has meritorious defenses for these other claims and contingencies.

A legal matter was settled in the Company’s favor for $5.5 million during the first quarter of 2018. Settlement amounts were recorded in Other gain from continuing operations in the Condensed Consolidated Statement of Operations, Prepaid expenses and other (current portion of the notes receivable) and Other non-current assets (non-current portion of the notes receivable) in the Condensed Consolidated Balance Sheets. As of September 30, 2021, the current portion of the notes receivable was $0.8 million and the non-current portion was $1.3 million, net of $0.1 million of unamortized discount. Legal fees related to this matter were expensed as incurred during the respective reporting period.

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Segment Information

9 Months Ended

Sep. 30, 2021

Segment Reporting [Abstract]

Segment Information

17.Segment Information

The Company currently operates in two reportable segments: marine and concrete. The Company’s financial reporting systems present various data for management to run the business, including profit and loss statements prepared according to the segments presented. Management uses operating income to evaluate performance between the two segments. Segment information for the periods presented is provided as follows:

	Three months ended				Nine months ended
	September 30,				September 30,
		2021		2020		2021		2020
Marine
Contract revenues	$	54,739	$	112,881	$	190,827	$	290,549
Operating (loss) income	$	(4,965)	$	12,025	$	6,489	$	21,584
Depreciation and amortization expense	$	(4,232)	$	(4,543)	$	(12,912)	$	(14,063)
Total assets	$	252,332	$	258,894	$	252,332	$	258,894
Property and equipment, net	$	92,612	$	109,522	$	92,612	$	109,522
Concrete
Contract revenues	$	85,168	$	76,552	$	248,264	$	249,217
Operating (loss) income	$	(3,778)	$	1,060	$	(7,611)	$	(50)
Depreciation and amortization expense	$	(1,993)	$	(2,223)	$	(6,228)	$	(6,599)
Total assets	$	116,023	$	123,626	$	116,023	$	123,626
Property and equipment, net	$	14,073	$	16,389	$	14,073	$	16,389

In connection with the preparation of the financial statements for the quarter ended September 30, 2021, the Company has identified and corrected certain immaterial errors in segment reporting for all periods presented.

Specifically, certain corporate overhead costs previously recorded to the marine segment as part of operating income (loss) and allocated from the marine segment to the concrete segment below operating income in the other income (expense) line have been allocated from the marine segment to the concrete segment as part of the determination of operating income for each segment. These corrections resulted in an offsetting change in operating income (loss) for each segment of $3.0 million for the three months ended September 30, 2020 and $2.9 million and $9.2 million for the nine months ended September 30, 2021 and 2020, respectively.

There were none and less than $0.1 million in intersegment revenues between the Company’s two reportable segments for the three months ended September 30, 2021 and 2020, respectively. There were less than $0.1 million and $2.7 million in intersegment revenues between the Company’s two reportable segments for the nine months ended September 30, 2021 and 2020, respectively. The marine segment had foreign revenues of less than $0.1 million and $1.8 million for the three months ended September 30, 2021 and 2020, respectively. The marine segment had foreign revenues of $2.8 million and $9.7 million for the nine months ended September 30, 2021 and 2020, respectively. These revenues are derived from projects in the Caribbean Basin and Mexico and are paid primarily in U.S. dollars. There was no foreign revenue for the concrete segment.

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Leases

9 Months Ended

Sep. 30, 2021

Leases [Abstract]

Leases

18.Leases

The Company has operating and finance leases for office space, equipment and vehicles.

Leases recorded on the balance sheet consists of the following:

	September 30,		December 31,
Leases	2021		2020
Assets
Operating lease right-of-use assets, net (1)	$	15,193	$	18,874
Financing lease right-of-use assets, net (2)		12,135		12,858
Total assets	$	27,328	$	31,732
Liabilities
Current
Operating	$	3,970	$	4,989
Financing		1,408		3,901
Total current		5,378		8,890
Noncurrent
Operating		12,033		14,537
Financing		10,324		8,376
Total noncurrent		22,357		22,913
Total liabilities	$	27,735	$	31,803

(1) Operating lease right-of-use assets are recorded net of accumulated amortization of $8.9 million and $9.0 million as of September 30, 2021 and December 31, 2020, respectively.

(2) Financing lease right-of-use assets are recorded net of accumulated amortization of $2.1 million and $6.4 million as of September 30, 2021 and December 31, 2020, respectively.

Other information related to lease term and discount rate is as follows:

	September 30,		December 31,
	2021		2020
Weighted Average Remaining Lease Term (in years)
Operating leases	5.07		5.25
Financing leases	5.05		4.96
Weighted Average Discount Rate
Operating leases (1)	4.78	%	4.73	%
Financing leases	4.22	%	4.46	%

(1) Upon adoption of the new lease standard, discount rates used for existing operating leases were established on January 1, 2019.

The components of lease expense are as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Operating lease costs:
Operating lease cost	$	1,338	$	1,588	$	4,510	$	4,815
Short-term lease cost (1)		425		833		1,432		2,914
Financing lease costs:
Interest on lease liabilities		125		135		369		410
Amortization of right-of-use assets		657		902		2,259		2,487
Total lease cost	$	2,545	$	3,458	$	8,570	$	10,626

(1) Includes expenses related to leases with a lease term of more than one month but less than one year.

Supplemental cash flow information related to leases is as follows:

	Nine Months Ended September 30,
	2021		2020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for operating leases	$	4,358	$	4,743
Operating cash flows for finance leases	$	369	$	410
Financing cash flows for finance leases	$	2,500	$	2,751
Non-cash activity:
ROU assets obtained in exchange for new operating lease liabilities	$	818	$	3,017
ROU assets obtained in exchange for new financing lease liabilities	$	4,329	$	9,714

Maturities of lease liabilities are summarized as follows:

	Operating Leases		Finance Leases
Year ending December 31,
2021 (excluding the nine months ended September 30, 2021)	$	1,291	$	656
2022		4,296		3,492
2023		3,432		2,596
2024		2,641		2,036
2025		2,354		1,430
Thereafter		4,090		3,035
Total future minimum lease payments		18,104		13,245
Less - amount representing interest		2,101		1,513
Present value of future minimum lease payments		16,003		11,732
Less - current lease obligations		3,970		1,408
Long-term lease obligations	$	12,033	$	10,324

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Summary of Significant Accounting Principles (Policies)

9 Months Ended

Sep. 30, 2021

Accounting Policies [Abstract]

Basis of Presentation

Basis of Presentation

The accompanying condensed consolidated financial statements and financial information included herein have been prepared pursuant to the interim period reporting requirements of Form 10-Q. Consequently, certain information and note disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States (“U.S. GAAP”) have been condensed or omitted. Readers of this report should also read the Company’s consolidated financial statements and the notes thereto included in its Annual Report on Form 10-K for the fiscal year ended December 31, 2020 (“2020 Form 10-K”) as well as Item 7 – Management’s Discussion and Analysis of Financial Condition and Results of Operations also included in its 2020 Form 10-K.

In the opinion of management, the accompanying unaudited condensed consolidated financial statements contain all adjustments considered necessary for a fair presentation of the Company’s financial position, results of operations, and cash flows for the periods presented. Such adjustments are of a normal recurring nature. Interim results of operations for the three and nine months ended September 30, 2021 are not necessarily indicative of the results that may be expected for the year ending December 31, 2021.

Revenue Recognition

Revenue Recognition

The Company’s revenue is derived from contracts to provide marine construction, dredging, turnkey concrete services, and other specialty services. The Company’s projects are typically brief in duration and very rarely span a period of over one year. The Company determines the appropriate accounting treatment for each contract

before work begins and, subject to qualifications discussed in the next paragraph, generally records contract over time.

Performance obligations are promises in a contract to transfer distinct goods or services to the customer and are the unit of account under Topic 606. Each of the Company’s contracts and related change orders typically represent a single performance obligation because the Company provides an integrated service and individual goods and services are not separately identifiable. Revenue is recognized over time because control of the promised goods and services are continuously transferred to the customer over the life of the contract. For contracts with multiple performance obligations, the Company allocates the contract’s transaction price to each performance obligation using its best estimate of the stand-alone selling price of each distinct good or service. Progress is measured by the percentage of actual contract costs incurred to date to total estimated costs for each contract. This method is used because management considers contract costs incurred to be the best available measure of progress on these contracts. Contract costs include all direct costs, such as material and labor, and those indirect costs incurred that are related to contract performance such as payroll taxes and insurance. General and administrative costs are charged to expense as incurred. Upfront costs, such as costs to mobilize personnel and equipment prior to satisfying a performance obligation are capitalized and amortized over the contract performance period.

Changes in job performance, job conditions and estimated profitability, including those arising from final contract settlements, may result in revisions to costs and reported revenue and are recognized in the period in which the revisions are determined. The effect of changes in estimates of contract revenue or contract costs is recognized as an adjustment to recognized revenue on a cumulative catch-up basis. When the Company anticipates a loss on a contract that is not yet complete, it recognizes the entire loss in the period in which such losses are determined. Revenue is recorded net of any sales taxes collected and paid on behalf of the customer, if applicable.

Contract revenue is derived from the original contract price as modified by agreed-upon change orders and estimates of variable consideration related to incentive fees and change orders or claims for which price has not yet been agreed by the customer. The Company estimates variable consideration based on its assessment of the most likely amount to which it expects to be entitled. Variable consideration is included in the estimated recognition of revenue to the extent it is probable that a significant reversal of cumulative recognized revenue will not occur. A determination that the collection of a claim is probable is based upon compliance with the terms of the contract and the extent to which the Company performed in accordance therewith but does not guarantee collection in full.

Assets and liabilities derived from contracts with customers include the following:

● Accounts Receivable: Trade, net of allowance - Represent amounts billed and currently due from customers and are stated at their estimated net realizable value.

● Accounts Receivable: Retainage - Represent amounts which have not been billed to or paid by customers due to retainage provisions in construction contracts, which amounts generally become payable upon contract completion and acceptance by the customer.

● Contract Assets - Represent revenues recognized in excess of amounts billed, which management believes will be billed and collected within one year of the completion of the contract and are recorded as a current asset, until such amounts are either received or written off.

● Contract Liabilities - Represent billings in excess of revenues recognized and are recorded as a current liability, until the underlying obligation has been performed or discharged.

Classification of Current Assets and Liabilities

Classification of Current Assets and Liabilities

The Company includes in current assets and liabilities amounts realizable and payable in the normal course of contract completion.

Cash, Cash Equivalents and Restricted Cash

Cash, Cash Equivalents and Restricted Cash

The Company considers all highly liquid investments with a maturity of three months or less when purchased to be cash equivalents. At times, cash held by financial institutions may exceed federally insured limits. The Company has not historically sustained losses on its cash balances in excess of federally insured limits. Cash equivalents at September 30, 2021 and December 31, 2020 consisted primarily of overnight bank deposits.

The Company had no restricted cash as of September 30, 2021 and December 31, 2020.  

Risk Concentrations

Risk Concentrations

Financial instruments that potentially subject the Company to concentrations of credit risk principally consist of accounts receivable.

The Company depends on its ability to continue to obtain federal, state and local governmental contracts, and indirectly, on the amount of funding available to these agencies for new and current governmental projects. Therefore, a portion of the Company’s operations is dependent upon the level and timing of government funding. Statutory mechanics liens provide the Company high priority in the event of lien foreclosures following financial difficulties of private owners, thus minimizing credit risk with private customers.

Accounts Receivable

Accounts Receivable

Accounts receivable are stated at the historical carrying value, net of allowances for credit losses. The Company has significant investments in billed and unbilled receivables as of September 30, 2021 and December 31, 2020. Billed receivables represent amounts billed upon the completion of small contracts and progress billings on large contracts in accordance with contract terms and milestone achievements. Unbilled receivables on contracts represent recoverable costs and accrued profits that are not yet capable of being billed under the terms of the applicable contracts. Revenue associated with these billings is recorded net of any sales tax, if applicable.

Past due balances over 90 days and other higher risk receivables identified by management are reviewed individually for collectability. In establishing an allowance for credit losses, the Company evaluates its contract receivables and contract assets and thoroughly reviews historical collection experience, the financial condition of its customers, billing disputes and other factors. The Company writes off potentially uncollectible accounts receivable against the allowance for credit losses if it is determined that the amounts will not be collected or if a settlement with respect to a disputed receivable is reached for an amount that is less than the carrying value. As of September 30, 2021, and December 31, 2020, the Company has recorded an allowance for credit losses of $0.3 million and $0.4 million, respectively.

Balances billed to customers but not paid pursuant to retainage provisions in construction contracts generally become payable upon contract completion and acceptance by the owner. Retainage at September 30, 2021

totaled $39.2 million, of which $4.3 million is expected to be collected beyond September 30, 2022. Retainage at December 31, 2020 totaled $36.5 million.

From time to time, the Company negotiates change orders and claims with its customers. Unsuccessful negotiations of claims could result in a change to contract revenue that is less than amounts previously recorded, which could result in the recording of a loss in the amount of the shortfall. Successful claims negotiations could result in the recovery of previously recorded losses. Significant losses on receivables could adversely affect the Company’s financial position, results of operations and overall liquidity.

Advertising Costs

Advertising Costs

The Company primarily obtains contracts through the open bid process, and therefore advertising costs are not a significant component of expense. Advertising costs are expensed as incurred.

Environmental Costs

Environmental Costs

Costs related to environmental remediation are charged to expense. Other environmental costs are also charged to expense unless they increase the value of the property and/or provide future economic benefits, in which event the costs are capitalized. Environmental liabilities, if any, are recognized when the liability is considered probable and the amount can be reasonably estimated. The Company did not recognize any environmental liabilities as of September 30, 2021 or December 31, 2020.

Fair Value Measurements

Fair Value Measurements

The Company evaluates and presents certain amounts included in the accompanying condensed consolidated financial statements at “fair value” in accordance with U.S. GAAP, which requires the Company to base its estimates on assumptions that market participants, in an orderly transaction, would use to price an asset or liability, and to establish a hierarchy that prioritizes the information used to determine fair value. Refer to Note 8 for more information regarding fair value determination.

The Company generally applies fair value valuation techniques on a non-recurring basis associated with  (1) valuing assets and liabilities acquired in connection with business combinations and other transactions; (2) valuing potential impairment loss related to long-lived assets; and (3) valuing potential impairment loss related to goodwill and indefinite-lived intangible assets.

Inventory

Inventory

Current inventory consists of parts and small equipment held for use in the ordinary course of business and is valued at the lower of cost (using historical average cost) or net realizable value. Where shipping and handling costs are incurred by the Company, these charges are included in inventory and charged to cost of contract revenue upon use. Non-current inventory consists of spare parts (including engines, cutters and gears) that require special order or long-lead times for manufacture or fabrication, but must be kept on hand to reduce downtime and is valued at the lower of cost (using historical average cost) or net realizable value.

Property and Equipment

Property and Equipment

Property and equipment are recorded at cost. Ordinary maintenance and repairs that do not improve or extend the useful life of the asset are expensed as incurred. Major renewals and betterments of equipment are capitalized and depreciated generally over three to ten years until the next scheduled maintenance.

When property and equipment are retired or otherwise disposed of, the cost and accumulated depreciation are removed from the accounts and any resulting gain or loss is included in results of operations for the respective period. Depreciation is computed using the straight-line method over the estimated useful lives of the related assets for financial statement purposes, as follows:

Automobiles and trucks	3 to 10 years
Buildings and improvements	10 to 30 years
Construction equipment	3 to 10 years
Vessels and other equipment	3 to 40 years
Office equipment	3 to 5 years

The Company generally uses accelerated depreciation methods for tax purposes where beneficial.

Dry-docking costs are capitalized and amortized using the straight-line method over a period ranging from three to seven years. Dry-docking costs include, but are not limited to, the inspection, refurbishment and replacement of steel, engine components, tailshafts, mooring equipment and other parts of the vessel. Amortization related to dry-docking activities is included as a component of depreciation. These costs and the related amortization periods are periodically reviewed to determine if the estimates are accurate. If warranted, a significant upgrade of equipment may result in a revision to the useful life of the asset, in which case the change is accounted for prospectively.

Property and equipment are reviewed for impairment whenever events or changes in circumstances indicate the carrying amount of an asset or asset group may not be recoverable. Recoverability of assets to be held and used is measured by a comparison of the carrying amount of an asset to estimated undiscounted future cash flows expected to be generated by the asset. If the carrying amount of an asset exceeds its estimated future cash flows, an impairment charge is recognized in the amount by which the carrying amount of the asset exceeds the fair value of the asset. Assets to be disposed of are separately presented in the balance sheet and reported at the lower of the carrying amount or the fair value, less the costs to sell, and are no longer depreciated. There were no assets classified as held for sale as of September 30, 2021 or December 31, 2020.

Leases

Leases

Management determines if a contract is or contains a lease at inception of the contract or modification of the contract. A contract is or contains a lease if the contract conveys the right to control the use of an identified asset for a period in exchange for consideration. Control over the use of the identified asset means the lessee has both (a) the right to obtain substantially all of the economic benefits from the use of the asset and (b) the right to direct the use of the asset.

Finance and operating lease right-of-use (“ROU”) assets and liabilities are recognized based on the present value of future minimum lease payments over the expected lease term at commencement date. As the implicit rate is not determinable in most of the Company’s leases, management uses the Company’s incremental borrowing rate based on the information available at commencement date in determining the present value of future payments. The expected lease term includes options to extend or terminate the lease when it is reasonably certain the Company will exercise such option. Lease expense for minimum lease payments is recognized on a straight-line basis over the expected lease term.

The Company’s lease arrangements have lease and non-lease components. Leases with an expected term of 12 months or less are not accounted for on the balance sheet and the related lease expense is recognized on a straight-line basis over the expected lease term.

The Company’s lease agreements do not contain any material residual value guarantees or material restrictive covenants.

See Note 18 for more information regarding leases.

Intangible Assets

Intangible Assets

Intangible assets that have finite lives are amortized. In addition, the Company evaluates the remaining useful life of intangible assets in each reporting period to determine whether events and circumstances warrant a revision of the remaining period of amortization. If the estimate of an intangible asset’s remaining life is changed, the remaining carrying value of such asset is amortized prospectively over that revised remaining useful life. Intangible assets that have infinite lives are not amortized, but are subject to impairment testing at least annually or more frequently if events or circumstances indicate that the asset may be impaired.

The Company has one infinite-lived intangible asset, a trade name, which it tests for impairment annually on October 31, or whenever events or circumstances indicate that the carrying amount of the trade name may not be recoverable. Impairment is calculated as the excess of the trade name’s carrying value over its fair value. The fair value of the trade name is determined using the relief from royalty method, a variation of the income approach. This method assumes that if a company owns intellectual property, it does not have to “rent” the asset and is, therefore, “relieved” from paying a royalty. Once a supportable royalty rate is determined, the rate is then applied to the projected revenues over the expected remaining life of the intangible assets to estimate the royalty savings. This approach is dependent on a number of factors, including estimates of future growth and trends, royalty rates, discount rates and other variables.

See Note 9 for additional discussion of intangible assets and trade name impairment testing.

Stock-Based Compensation

Stock-Based Compensation

The Company recognizes compensation expense for equity awards over the vesting period based on the fair value of these awards at the date of grant. The computed fair value of these awards is recognized as a non-cash cost over the period the employee provides services, which is typically the vesting period of the award. The fair value of options granted is estimated on the date of grant using the Black-Scholes option-pricing model. The Black-Scholes option-pricing model requires the use of subjective assumptions in the computation. Changes in these assumptions can cause significant fluctuations in the fair value of the option award. The fair value of restricted stock grants is equivalent to the fair value of the stock issued on the date of grant and is measured as the closing price of the stock on the date of grant.

Compensation expense is recognized only for stock-based payments expected to vest. The Company estimates forfeitures at the date of grant based on historical experience and future expectations. This assessment is updated on a periodic basis. See Note 15 for further discussion of the Company’s stock-based compensation plan.

Income Taxes

Income Taxes

The Company determines its consolidated income tax provision using the asset and liability method prescribed by U.S. GAAP, which requires the recognition of income tax expense for the amount of taxes payable or

refundable for the current period and for deferred tax liabilities and assets for the future tax consequences of events that have been recognized in an entity’s financial statements or tax returns. The Company must make significant assumptions, judgments and estimates to determine its current provision for income taxes, its deferred tax assets and liabilities, and any valuation allowance to be recorded against any deferred tax asset. The current provision for income tax is based upon the current tax laws and the Company’s interpretation of these laws, as well as the probable outcomes of any tax audits. The value of any net deferred tax asset depends upon estimates of the amount and category of future taxable income reduced by the amount of any tax benefits that the Company does not expect to realize. Actual operating results and the underlying amount and category of income in future years could render current assumptions, judgments and estimates of recoverable net deferred taxes inaccurate, thus impacting the Company’s financial position and results of operations. The Company computes deferred income taxes using the liability method. Under the liability method, deferred tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. Under the liability method, the effect on deferred tax assets and liabilities of a change in tax rates is recognized in income in the period that includes the enactment date.

The Company accounts for uncertain tax positions in accordance with the provisions of ASC 740, Income Taxes which prescribes a recognition threshold and measurement attribute for financial statement disclosure of tax positions taken, or expected to be taken, on its consolidated tax return. The Company evaluates and records any uncertain tax positions based on the amount that management deems is more likely than not to be sustained upon examination and ultimate settlement with the tax authorities in the tax jurisdictions in which it operates.

See Note 13 for additional discussion of income taxes.

Insurance Coverage

Insurance Coverage

The Company maintains insurance coverage for its business and operations. Insurance related to property, equipment, automobile, general liability, and a portion of workers’ compensation is provided through traditional policies, subject to a deductible or deductibles. A portion of the Company’s workers’ compensation exposure is covered through a mutual association, which is subject to supplemental calls.

The marine segment maintains five levels of excess loss insurance coverage, totaling $200 million in excess of primary coverage. The marine segment’s excess loss coverage responds to most of its policies when a primary limit of $1 million has been exhausted; provided that the primary limit for Contingent Maritime Employer’s Liability is $10 million and the Watercraft Pollution Policy primary limit is $5 million. The concrete segment maintains five levels of excess loss insurance coverage, totaling $200 million in excess of primary coverage. The concrete segment’s excess loss coverage responds to most of its policies when a primary limit of $1 million has been exhausted.

If a claim arises and a potential insurance recovery is probable, the impending gain is recognized separately from the related loss. The recovery will only be recognized up to the amount of the loss once the recovery of the claim is deemed probable and any excess gain will fall under contingency accounting and will only be recognized once it is realized. The Company does not net insurance recoveries against the related claim liability as the amount of the claim liability is determined without consideration of the anticipated insurance recoveries from third parties.

Separately, the Company’s marine segment employee health care is paid for by general assets of the Company and currently administered by a third party. The administrator has purchased appropriate stop-loss coverage. Losses on these policies up to the deductible amounts are accrued based upon known claims incurred and an estimate of claims incurred but not reported. The accruals are derived from known facts, historical trends and industry averages to determine the best estimate of the ultimate expected loss.  Actual claims may vary from estimates. Any adjustments to such reserves are included in the Condensed Consolidated Results of Operations in the period in which they become known. The Company’s concrete segment employee health care is provided through two policies. A fully funded policy is offered primarily to salaried employees and their dependents while a partially self-funded plan with an appropriate stop-loss is offered primarily to hourly employees and their dependents. The self-funded plan is funded to the maximum exposure and, as a result, is expected to receive a partial refund after the policy expiration.

The total accrual for insurance claims liabilities was $67.4 million and $60.4 million at September 30, 2021 and December 31, 2020, respectively, reflected as a component of accrued liabilities in the condensed consolidated balance sheet. The total accrual for insurance claims receivable was $63.9 million and $57.0 million at September 30, 2021 and December 31, 2020, respectively, reflected as a component of other current accounts receivable in the condensed consolidated balance sheet.

Recent Accounting Pronouncements

Accounting Standards Adopted in 2021

The Financial Accounting Standards Board (“FASB”) issues accounting standards and updates (each, an "ASU") from time to time to its Accounting Standards Codification (‘ASC’), which is the primary source of U.S. GAAP. The Company regularly monitors ASUs as they are issued and considers applicability to its business. All ASUs are adopted by their respective due dates and in the manner prescribed by the FASB.

In December 2019, the FASB issued ASU 2019-12, Income Taxes: Simplifying the Accounting for Income Taxes (Topic 740).  This standard simplifies the accounting for income taxes by eliminating certain exceptions to the guidance in Topic 740 related to the approach for intra-period tax allocation, the methodology for calculating income taxes in an interim period and the recognition of deferred tax liabilities for outside basis differences. The standard also simplifies aspects of the accounting for franchise taxes and enacted changes in tax laws or rates and clarifies the accounting for transactions that result in a step-up in the tax basis of goodwill. ASU 2019-12 is effective for fiscal years beginning after December 15, 2020 and interim periods within that year. The adoption of this ASU had no material impact on the Company’s Condensed Consolidated Financial Statements.  

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Summary of Significant Accounting Principles (Tables)

9 Months Ended

Sep. 30, 2021

Accounting Policies [Abstract]

Schedule of depreciable lives of property, plant and equipment

Automobiles and trucks	3 to 10 years
Buildings and improvements	10 to 30 years
Construction equipment	3 to 10 years
Vessels and other equipment	3 to 40 years
Office equipment	3 to 5 years

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Revenue (Tables)

9 Months Ended

Sep. 30, 2021

Revenue from Contract with Customer [Abstract]

Schedule of disaggregation of revenue

	Three months ended September 30,				Nine months ended September 30,
	2021		2020		2021		2020
Marine Segment
Construction	$	38,883	$	86,505	$	121,678	$	205,459
Dredging		13,157		24,262		58,511		79,391
Specialty Services		2,699		2,114		10,638		5,699
Marine segment contract revenues	$	54,739	$	112,881	$	190,827	$	290,549
Concrete Segment
Structural	$	13,090	$	21,116	$	47,296	$	66,893
Light Commercial		72,078		55,436		200,961		182,311
Other		—		—		7		13
Concrete segment contract revenues	$	85,168	$	76,552	$	248,264	$	249,217
Total contract revenues	$	139,907	$	189,433	$	439,091	$	539,766

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Concentration of Risk and Enterprise-Wide Disclosures (Tables)

9 Months Ended

Sep. 30, 2021

Trade and contract retainage receivables

Concentration Risk [Line Items]

Schedules of concentration of risk, by risk factor

	September 30, 2021				December 31, 2020
Federal Government	$	3,028	2	%	$	4,826	4	%
State Governments		418	1	%		—	-	%
Local Governments		13,927	11	%		17,823	13	%
Private Companies		106,110	86	%		110,616	83	%
Gross receivables		123,483	100	%		133,265	100	%
Allowance for credit losses		(323)				(411)
Net receivables	$	123,160			$	132,854

Contract revenues

Concentration Risk [Line Items]

Schedules of concentration of risk, by risk factor

	Three months ended September 30,								Nine months ended September 30,
	2021		%		2020		%		2021		%		2020		%
Federal Government	$	14,716	11	%	$	16,499	9	%	$	39,825	9	%	$	32,720	6	%
State Governments		400	-	%		6,322	3	%		814	-	%		27,646	5	%
Local Government		22,765	16	%		54,316	29	%		94,857	22	%		158,176	29	%
Private Companies		102,026	73	%		112,296	59	%		303,595	69	%		321,224	60	%
Total contract revenues	$	139,907	100	%	$	189,433	100	%	$	439,091	100	%	$	539,766	100	%

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Contracts in Progress (Tables)

9 Months Ended

Sep. 30, 2021

Contractors [Abstract]

Schedule of contracts in progress

	September 30,		December 31,
	2021		2020
Costs incurred on uncompleted contracts	$	1,245,434	$	1,151,987
Estimated earnings		189,553		202,369
		1,434,987		1,354,356
Less: Billings to date		(1,442,948)		(1,355,220)
	$	(7,961)	$	(864)
Included in the accompanying Condensed Consolidated Balance Sheets under the following captions:
Contract assets	$	17,670	$	32,271
Contract liabilities		(25,631)		(33,135)
	$	(7,961)	$	(864)

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Property and Equipment (Tables)

9 Months Ended

Sep. 30, 2021

Property, Plant and Equipment [Abstract]

Summary of property and equipment

	September 30,		December 31,
	2021		2020
Automobiles and trucks	$	2,354	$	2,379
Building and improvements		34,797		44,324
Construction equipment		137,134		142,661
Vessels and other equipment		81,928		79,499
Office equipment		6,263		5,577
		262,476		274,440
Less: Accumulated depreciation		(190,091)		(186,615)
Net book value of depreciable assets		72,385		87,825
Construction in progress		6,415		1,809
Land		27,885		35,863
	$	106,685	$	125,497

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Other Current Accounts Receivable (Tables)

9 Months Ended

Sep. 30, 2021

Other Current Accounts Receivable

Schedule of other current accounts receivable

	September 30, 2021		December 31, 2020
Insurance claims receivable	$	63,870	$	57,021
Accident loss receivables		1,361		1,448
Other current receivables		810		1,023
Total other current accounts receivable	$	66,041	$	59,492

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Fair Value (Tables)

9 Months Ended

Sep. 30, 2021

Fair Value Disclosures [Abstract]

Schedule of fair value, assets and liabilities measured on recurring basis

			Fair Value Measurements
	Carrying Value		Level 1	Level 2	Level 3
September 30, 2021
Assets:
Cash surrender value of life insurance policy	$	3,417	—	3,417	—
Liabilities:
Derivatives	$	—	—	—	—
December 31, 2020
Assets:
Cash surrender value of life insurance policy	$	3,169	—	3,169	—
Liabilities:
Derivatives	$	1,602	—	1,602	—

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Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of changes and amortization of finite-lived intangible assets

	September 30,		December 31,
	2021		2020
Finite-lived intangible assets, beginning of period	$	35,240	$	35,240
Additions		—		—
Total finite-lived intangible assets, end of period	$	35,240	$	35,240
Accumulated amortization, beginning of period	$	(32,055)	$	(29,985)
Current year amortization		(1,141)		(2,070)
Total accumulated amortization		(33,196)		(32,055)
Net finite-lived intangible assets, end of period	$	2,044		3,185
Infinite-lived intangible assets		6,892		6,892
Total net intangible assets	$	8,936	$	10,077

Summary of finite-lived intangible assets amortization expense

2021		379
2022		1,239
2023		389
2024		37
	$	2,044

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Accrued Liabilities (Tables)

9 Months Ended

Sep. 30, 2021

Payables and Accruals [Abstract]

Schedule of accrued liabilities

	September 30, 2021		December 31, 2020
Accrued salaries, wages and benefits	$	7,537	$	15,071
Accrual for insurance claims liabilities		67,414		60,365
Sales taxes		4,162		5,909
Property taxes		1,167		908
Sale-leaseback arrangement		726		676
Accounting and audit fees		213		344
Interest		22		22
Equipment purchase		—		461
Other accrued expenses		2,178		881
Total accrued liabilities	$	83,419	$	84,637

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Long-term Debt and Line of Credit (Tables)

9 Months Ended

Sep. 30, 2021

Debt Disclosure [Abstract]

Schedule of debt

	September 30, 2021						December 31, 2020
			Debt Issuance						Debt Issuance
	Principal		Costs(1)		Total		Principal		Costs(1)		Total
Revolving line of credit	$	19,000	$	—	$	19,000	$	—	$	—	$	—
Term loan - current		—		—		—		4,500		(156)		4,344
Other debt		139		—		139		—		—		—
Total current debt		19,139		—		19,139		4,500		(156)		4,344
Revolving line of credit		—		—		—		5,000		(174)		4,826
Term loan - long-term		—		—		—		25,586		(889)		24,697
Other debt		295		—		295		—		—		—
Total long-term debt		295		—		295		30,586		(1,063)		29,523
Total debt	$	19,434	$	—	$	19,434	$	35,086	$	(1,219)	$	33,867

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Other Long-Term Liabilities (Tables)

9 Months Ended

Sep. 30, 2021

Liabilities, Other than Long-term Debt, Noncurrent [Abstract]

Schedule of other long-term liabilities

	September 30, 2021		December 31, 2020
Sale-leaseback arrangement	$	16,164	$	16,712
CARES Act deferred payroll taxes		3,821		—
Deferred compensation		2,760		2,818
Accrual for insurance claims liabilities		262		307
Total other long-term liabilities	$	23,007	$	19,837

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Income Taxes (Tables)

9 Months Ended

Sep. 30, 2021

Income Tax Disclosure [Abstract]

Schedule of effective income tax reconciliation

	Three months ended						Nine months ended
	September 30,						September 30,
		2021			2020			2021			2020
Income tax expense	$	1,001		$	303		$	341		$	1,660
Effective tax rate		(10.9)	%		2.5	%		(6.3)	%		9.1	%

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Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2021

Earnings Per Share [Abstract]

Schedule of earnings per share, basic and diluted

	Three months ended September 30,		Nine months ended September 30,
	2021	2020	2021	2020
Basic:
Weighted average shares outstanding	30,979,207	30,372,310	30,707,426	30,020,258
Diluted:
Total basic weighted average shares outstanding	30,979,207	30,372,310	30,707,426	30,020,258
Effect of potentially dilutive securities:
Common stock options	—	—	—	—
Total weighted average shares outstanding assuming dilution	30,979,207	30,372,310	30,707,426	30,020,258

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Segment Information (Tables)

9 Months Ended

Sep. 30, 2021

Segment Reporting [Abstract]

Schedule of segment reporting

	Three months ended				Nine months ended
	September 30,				September 30,
		2021		2020		2021		2020
Marine
Contract revenues	$	54,739	$	112,881	$	190,827	$	290,549
Operating (loss) income	$	(4,965)	$	12,025	$	6,489	$	21,584
Depreciation and amortization expense	$	(4,232)	$	(4,543)	$	(12,912)	$	(14,063)
Total assets	$	252,332	$	258,894	$	252,332	$	258,894
Property and equipment, net	$	92,612	$	109,522	$	92,612	$	109,522
Concrete
Contract revenues	$	85,168	$	76,552	$	248,264	$	249,217
Operating (loss) income	$	(3,778)	$	1,060	$	(7,611)	$	(50)
Depreciation and amortization expense	$	(1,993)	$	(2,223)	$	(6,228)	$	(6,599)
Total assets	$	116,023	$	123,626	$	116,023	$	123,626
Property and equipment, net	$	14,073	$	16,389	$	14,073	$	16,389

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Leases (Tables)

9 Months Ended

Sep. 30, 2021

Leases [Abstract]

Schedule of leases recorded on the balance sheet

	September 30,		December 31,
Leases	2021		2020
Assets
Operating lease right-of-use assets, net (1)	$	15,193	$	18,874
Financing lease right-of-use assets, net (2)		12,135		12,858
Total assets	$	27,328	$	31,732
Liabilities
Current
Operating	$	3,970	$	4,989
Financing		1,408		3,901
Total current		5,378		8,890
Noncurrent
Operating		12,033		14,537
Financing		10,324		8,376
Total noncurrent		22,357		22,913
Total liabilities	$	27,735	$	31,803

(1) Operating lease right-of-use assets are recorded net of accumulated amortization of $8.9 million and $9.0 million as of September 30, 2021 and December 31, 2020, respectively.

(2) Financing lease right-of-use assets are recorded net of accumulated amortization of $2.1 million and $6.4 million as of September 30, 2021 and December 31, 2020, respectively.

Schedule of information related to lease terms and discount rates

	September 30,		December 31,
	2021		2020
Weighted Average Remaining Lease Term (in years)
Operating leases	5.07		5.25
Financing leases	5.05		4.96
Weighted Average Discount Rate
Operating leases (1)	4.78	%	4.73	%
Financing leases	4.22	%	4.46	%

(1) Upon adoption of the new lease standard, discount rates used for existing operating leases were established on January 1, 2019.

Schedule of components of lease expense

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Operating lease costs:
Operating lease cost	$	1,338	$	1,588	$	4,510	$	4,815
Short-term lease cost (1)		425		833		1,432		2,914
Financing lease costs:
Interest on lease liabilities		125		135		369		410
Amortization of right-of-use assets		657		902		2,259		2,487
Total lease cost	$	2,545	$	3,458	$	8,570	$	10,626

(1) Includes expenses related to leases with a lease term of more than one month but less than one year.

Schedule of supplemental cash flow information

	Nine Months Ended September 30,
	2021		2020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for operating leases	$	4,358	$	4,743
Operating cash flows for finance leases	$	369	$	410
Financing cash flows for finance leases	$	2,500	$	2,751
Non-cash activity:
ROU assets obtained in exchange for new operating lease liabilities	$	818	$	3,017
ROU assets obtained in exchange for new financing lease liabilities	$	4,329	$	9,714

Schedule of operating lease maturities

	Operating Leases		Finance Leases
Year ending December 31,
2021 (excluding the nine months ended September 30, 2021)	$	1,291	$	656
2022		4,296		3,492
2023		3,432		2,596
2024		2,641		2,036
2025		2,354		1,430
Thereafter		4,090		3,035
Total future minimum lease payments		18,104		13,245
Less - amount representing interest		2,101		1,513
Present value of future minimum lease payments		16,003		11,732
Less - current lease obligations		3,970		1,408
Long-term lease obligations	$	12,033	$	10,324

Schedule of finance lease maturities

	Operating Leases		Finance Leases
Year ending December 31,
2021 (excluding the nine months ended September 30, 2021)	$	1,291	$	656
2022		4,296		3,492
2023		3,432		2,596
2024		2,641		2,036
2025		2,354		1,430
Thereafter		4,090		3,035
Total future minimum lease payments		18,104		13,245
Less - amount representing interest		2,101		1,513
Present value of future minimum lease payments		16,003		11,732
Less - current lease obligations		3,970		1,408
Long-term lease obligations	$	12,033	$	10,324

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Description of Business and Basis of Presentation (Details) - segment	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of operating segments	2	2	2	2
Number of reportable segments	2	2	2	2

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Summary of Significant Accounting Policies - Restricted Cash and Accounts Receivable (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Restricted cash
Restricted cash	$ 0	$ 0
Accounts Receivable [Abstract]
Allowance for credit losses	300	400
Retainage	39,176	$ 36,485
Retainage, long-term	$ 4,300

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Summary of Significant Accounting Principles - Property and Equipment (Details) $ in Millions	9 Months Ended
	Sep. 30, 2021 USD ($) Asset	Dec. 31, 2020 USD ($)
Property, Plant and Equipment
Assets classified as held-for-sale | $	$ 0.0	$ 0.0
Infinite-lived intangible assets
Number of infinite-lived intangible assets | Asset	1
Equipment improvement | Minimum
Property, Plant and Equipment
Property and equipment useful life	3 years
Equipment improvement | Maximum
Property, Plant and Equipment
Property and equipment useful life	10 years
Automobiles and trucks | Minimum
Property, Plant and Equipment
Property and equipment useful life	3 years
Automobiles and trucks | Maximum
Property, Plant and Equipment
Property and equipment useful life	10 years
Building and improvements | Minimum
Property, Plant and Equipment
Property and equipment useful life	10 years
Building and improvements | Maximum
Property, Plant and Equipment
Property and equipment useful life	30 years
Construction equipment | Minimum
Property, Plant and Equipment
Property and equipment useful life	3 years
Construction equipment | Maximum
Property, Plant and Equipment
Property and equipment useful life	10 years
Vessels and other equipment | Minimum
Property, Plant and Equipment
Property and equipment useful life	3 years
Vessels and other equipment | Maximum
Property, Plant and Equipment
Property and equipment useful life	40 years
Office equipment | Minimum
Property, Plant and Equipment
Property and equipment useful life	3 years
Office equipment | Maximum
Property, Plant and Equipment
Property and equipment useful life	5 years
Dry-docking capitalized costs | Minimum
Property, Plant and Equipment
Property and equipment useful life	3 years
Dry-docking capitalized costs | Maximum
Property, Plant and Equipment
Property and equipment useful life	7 years

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Summary of Significant Accounting Policies - Insurance Coverage (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2021 USD ($) policy item	Dec. 31, 2020 USD ($)
Insurance Coverage
Number of employee health care insurance policies | policy	2
Accrued insurance claims liability	$ 67,400	$ 60,400
Accrued insurance claims receivables	$ 63,870	$ 57,021
Marine Segment
Insurance Coverage
Levels of insurance coverage maintained by the Company | item	5
Amount in excess of primary insurance coverage	$ 200,000
Marine Segment | Other liability policies
Insurance Coverage
Primary limit of insurance coverage	1,000
Marine Segment | Maritime employer's liability
Insurance Coverage
Primary limit of insurance coverage	10,000
Marine Segment | Watercraft pollution policy
Insurance Coverage
Primary limit of insurance coverage	$ 5,000
Concrete Segment
Insurance Coverage
Levels of insurance coverage maintained by the Company | item	5
Amount in excess of primary insurance coverage	$ 200,000
Concrete Segment | Other liability policies
Insurance Coverage
Primary limit of insurance coverage	$ 1,000

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Revenue (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021 USD ($) segment	Sep. 30, 2020 USD ($) segment	Sep. 30, 2021 USD ($) segment	Sep. 30, 2020 USD ($) segment
Disaggregation of Revenue [Line Items]
Contract revenues	$ 139,907	$ 189,433	$ 439,091	$ 539,766
Number of reportable segments | segment	2	2	2	2
Marine Segment
Disaggregation of Revenue [Line Items]
Contract revenues	$ 54,739	$ 112,881	$ 190,827	$ 290,549
Marine Segment | Construction
Disaggregation of Revenue [Line Items]
Contract revenues	38,883	86,505	121,678	205,459
Marine Segment | Dredging
Disaggregation of Revenue [Line Items]
Contract revenues	13,157	24,262	58,511	79,391
Marine Segment | Specialty Services
Disaggregation of Revenue [Line Items]
Contract revenues	2,699	2,114	10,638	5,699
Concrete Segment
Disaggregation of Revenue [Line Items]
Contract revenues	85,168	76,552	248,264	249,217
Concrete Segment | Structural
Disaggregation of Revenue [Line Items]
Contract revenues	13,090	21,116	47,296	66,893
Concrete Segment | Light Commercial
Disaggregation of Revenue [Line Items]
Contract revenues	$ 72,078	$ 55,436	200,961	182,311
Concrete Segment | Other
Disaggregation of Revenue [Line Items]
Contract revenues			$ 7	$ 13

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Concentration of Risk and Enterprise-Wide Disclosures (Details) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2021 USD ($) customer	Sep. 30, 2020 USD ($) customer	Sep. 30, 2021 USD ($) customer	Sep. 30, 2020 USD ($) customer	Dec. 31, 2020 USD ($) customer
Concentration Risk [Line Items]
Allowance for credit losses	$ (323)		$ (323)		$ (411)
Contract revenues	$ 139,907	$ 189,433	$ 439,091	$ 539,766
Foreign
Concentration Risk [Line Items]
Contract revenues, percent	0.00%	0.90%	0.60%	1.80%
Customer concentration risk | Trade and contract retainage receivables
Concentration Risk [Line Items]
Gross receivables	$ 123,483		$ 123,483		133,265
Allowance for credit losses	(323)		(323)		(411)
Net receivables	$ 123,160		$ 123,160		$ 132,854
Number of customers exceeding the 10% benchmark percentage | customer			0		0
Concentration risk, percentage			100.00%		100.00%
Customer concentration risk | Contract revenues
Concentration Risk [Line Items]
Number of customers exceeding the 10% benchmark percentage | customer	0		0
Contract revenues	$ 139,907	$ 189,433	$ 439,091	$ 539,766
Contract revenues, percent	100.00%	100.00%	100.00%	100.00%
Customer concentration risk | Federal Government | Trade and contract retainage receivables
Concentration Risk [Line Items]
Gross receivables	$ 3,028		$ 3,028		$ 4,826
Concentration risk, percentage			2.00%		4.00%
Customer concentration risk | Federal Government | Contract revenues
Concentration Risk [Line Items]
Contract revenues	$ 14,716	$ 16,499	$ 39,825	$ 32,720
Contract revenues, percent	11.00%	9.00%	9.00%	6.00%
Customer concentration risk | State Governments | Trade and contract retainage receivables
Concentration Risk [Line Items]
Gross receivables	$ 418		$ 418
Concentration risk, percentage			1.00%
Customer concentration risk | State Governments | Contract revenues
Concentration Risk [Line Items]
Contract revenues	400	$ 6,322	$ 814	$ 27,646
Contract revenues, percent		3.00%		5.00%
Customer concentration risk | Local Governments | Trade and contract retainage receivables
Concentration Risk [Line Items]
Gross receivables	13,927		$ 13,927		$ 17,823
Concentration risk, percentage			11.00%		13.00%
Customer concentration risk | Local Governments | Contract revenues
Concentration Risk [Line Items]
Number of customers exceeding the 10% benchmark percentage | customer		1		1
Contract revenues	$ 22,765	$ 54,316	$ 94,857	$ 158,176
Contract revenues, percent	16.00%	29.00%	22.00%	29.00%
Customer concentration risk | Local Governments | Contract revenues | Customer One
Concentration Risk [Line Items]
Concentration risk, percentage		13.80%		11.20%
Customer concentration risk | Private Companies | Trade and contract retainage receivables
Concentration Risk [Line Items]
Gross receivables	$ 106,110		$ 106,110		$ 110,616
Concentration risk, percentage			86.00%		83.00%
Customer concentration risk | Private Companies | Trade and contract retainage receivables | Customer One
Concentration Risk [Line Items]
Contract revenues, percent			10.00%
Customer concentration risk | Private Companies | Contract revenues
Concentration Risk [Line Items]
Contract revenues	$ 102,026	$ 112,296	$ 303,595	$ 321,224
Contract revenues, percent	73.00%	59.00%	69.00%	60.00%

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Contracts in Progress (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Contractors [Abstract]
Costs incurred on uncompleted contracts	$ 1,245,434	$ 1,151,987
Estimated earnings	189,553	202,369
Costs incurred and estimated earnings on uncompleted contracts	1,434,987	1,354,356
Less: Billings to date	(1,442,948)	(1,355,220)
Costs and estimated earnings in excess of billings on uncompleted contracts, net	(7,961)	(864)
Contract assets	17,670	32,271
Contract liabilities	$ (25,631)	$ (33,135)

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Contracts in Progress - Additional Information (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Contract assets	$ 17,670	$ 32,271
Costs And Estimated Earnings In Excess Of Billings On Uncompleted Contracts
Disaggregation of Revenue [Line Items]
Contract assets	$ 3,800	$ 3,100

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Contracts in Progress - Remaining Performance Obligation (Details) $ in Millions	9 Months Ended
	Sep. 30, 2021 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction
Performance obligations expected to be satisfied	$ 572.8
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-10-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction
Performance obligations expected to be satisfied	$ 432.0
Performance obligations expected to be satisfied, percentage	75.00%
Performance obligations expected to be satisfied, expected timing	12 months

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Property and Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Property, Plant and Equipment
Property, plant and equipment, gross	$ 262,476	$ 274,440
Less: accumulated depreciation	(190,091)	(186,615)
Property, plant and equipment net book value of depreciable assets	72,385	87,825
Property and equipment, net of depreciation	106,685	125,497
Automobiles and trucks
Property, Plant and Equipment
Property, plant and equipment, gross	2,354	2,379
Building and improvements
Property, Plant and Equipment
Property, plant and equipment, gross	34,797	44,324
Construction equipment
Property, Plant and Equipment
Property, plant and equipment, gross	137,134	142,661
Vessels and other equipment
Property, Plant and Equipment
Property, plant and equipment, gross	81,928	79,499
Office equipment
Property, Plant and Equipment
Property, plant and equipment, gross	6,263	5,577
Construction in progress
Property, Plant and Equipment
Property, plant and equipment, gross	6,415	1,809
Land
Property, Plant and Equipment
Property, plant and equipment, gross	$ 27,885	$ 35,863

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Property and Equipment Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Property and Equipment
Gain on disposal of assets	$ 792	$ 6,373	$ 9,763	$ 7,734
Depreciation expense	5,200	$ 5,300	$ 15,700	$ 16,600
Property, Tampa Bay FL | Land, Buildings and Improvements
Property and Equipment
Gain on disposal of assets	$ 6,700

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Other Current Accounts Receivable (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Other Current Accounts Receivable
Insurance claims receivable	$ 63,870	$ 57,021
Accident loss receivables	1,361	1,448
Other current receivables	810	1,023
Total other current accounts receivable	$ 66,041	$ 59,492

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Fair Value - Schedule of Fair Value Recurring Basis (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Reported Value Measurement
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash surrender value of life insurance	$ 3,417	$ 3,169
Derivatives		1,602
Estimate of Fair Value Measurement | Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash surrender value of life insurance	$ 3,417	3,169
Derivatives		$ 1,602

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Fair Value - Other Fair Value Measurements (Details) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Concrete Segment
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Life Insurance, face amount	$ 11.1
Reported Value Measurement
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of debt	$ 19.4	$ 35.1

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Goodwill and Intangible Assets - Finite-lived Intangible Assets Roll Forward (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Finite-lived Intangible Assets, Gross [Roll Forward]
Intangible assets, beginning of period			$ 35,240	$ 35,240	$ 35,240
Additions			0
Total intangible assets, end of period	$ 35,240		35,240		35,240
Accumulated Amortization [Roll Forward]
Accumulated amortization, January 1			(32,055)	(29,985)	(29,985)
Current year amortization	(380)	$ (519)	(1,141)	$ (1,552)	(2,070)
Total accumulated amortization	(33,196)		(33,196)		(32,055)
Net intangible assets
Net intangible assets, end of year	2,044		2,044		3,185
Infinite-lived intangible assets	6,892		6,892		6,892
Total net intangible assets	$ 8,936		$ 8,936		$ 10,077

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Goodwill and Intangible Assets - Additional Information (Details)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2021 USD ($) Asset	Sep. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2017 USD ($)
Business Acquisition [Line Items]
Amortization expense	$ 380,000	$ 519,000	$ 1,141,000	$ 1,552,000	$ 2,070,000
Net intangible assets, end of year	$ 2,044,000		$ 2,044,000		$ 3,185,000
Number of infinite-lived intangible assets | Asset			1
Customer Relationships
Business Acquisition [Line Items]
Finite-lived intangibles acquired						$ 18,800,000
Acquired finite-lived intangible assets, useful life			8 years
Amortization expense			$ 1,100,000
Trade Names
Business Acquisition [Line Items]
Number of infinite-lived intangible assets | Asset			1
impairment of infinite-lived assets			$ 0

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Goodwill and Intangible Assets - Future Amortization Expense of Finite-lived Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]
2021	$ 379
2022	1,239
2023	389
2024	37
Net intangible assets, end of year	$ 2,044	$ 3,185

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Accrued Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Accrued Liabilities, Current [Abstract]
Accrued salaries, wages and benefits	$ 7,537	$ 15,071
Accrual for insurance claims liabilities	67,414	60,365
Sales taxes	4,162	5,909
Property taxes	1,167	908
Sale-leaseback arrangement	726	676
Accounting and audit fees	213	344
Interest	22	22
Equipment purchase		461
Other accrued expenses	2,178	881
Total accrued liabilities	$ 83,419	$ 84,637

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Long-term Debt and Line of Credit - Obligations under Debt Arrangements (Details) - USD ($) $ in Thousands		1 Months Ended			12 Months Ended
	Oct. 09, 2019	May 31, 2019	Mar. 31, 2019	Jul. 31, 2018	Dec. 31, 2020	Sep. 30, 2021
Debt Instrument [Line Items]
Net Value, current					$ 4,344	$ 19,139
Net Value, long-term					29,523	$ 295
Line of Credit
Debt Instrument [Line Items]
Weighted average interest rate						2.92%
Principal current					4,500	$ 19,139
Principal, long-term					30,586	295
Principal					35,086	19,434
Deferred Issuance Costs, current					(156)
Deferred Issuance Costs, long-term					(1,063)
Debt Issuance Costs, Net, Total					(1,219)
Net Value, current					4,344	19,139
Net Value, long-term					29,523	295
Total debt					33,867	19,434
Other Debt
Debt Instrument [Line Items]
Principal current						139
Principal, long-term						295
Principal						400
Net Value, current						139
Net Value, long-term						295
Revolving Credit Facility | Line of Credit
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity		$ 50,000				50,000
Debt issuance expense		400
Principal current						19,000
Principal, long-term					5,000
Deferred Issuance Costs, long-term					(174)
Net Value, current						$ 19,000
Net Value, long-term					4,826
Term Loan | Line of Credit
Debt Instrument [Line Items]
Principal current					4,500
Principal, long-term					25,586
Deferred Issuance Costs, current					(156)
Deferred Issuance Costs, long-term					(889)
Net Value, current					4,344
Net Value, long-term					24,697
364-Day Revolving Credit Facility | Line of Credit
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity					$ 20,000
Credit facility term					364 days
Borrowings					$ 0
Fourth, Fifth And Sixth Amendments To Credit Agreement | Term Loan | Line of Credit
Debt Instrument [Line Items]
Deferred Issuance Costs, long-term					$ (900)
Fourth Amendment to Credit Agreement | Line of Credit
Debt Instrument [Line Items]
Debt issuance cost				$ 900
Fifth Amendment To Credit Agreement | Line of Credit
Debt Instrument [Line Items]
Debt issuance cost			$ 600
Sixth Amendment To Credit Agreement | Line of Credit
Debt Instrument [Line Items]
Debt issuance cost		$ 900
Eighth Amendment to Credit Agreement | Line of Credit
Debt Instrument [Line Items]
Debt issuance cost	$ 0

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Long-term Debt and Line of Credit - Provisions of Revolving Line of Credit (Details) - USD ($)	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	May 31, 2019
Debt Instrument [Line Items]
Repayments of debt	$ 49,086,000	$ 41,225,000
Proceeds from lines of credit	33,000,000	$ 10,000,000
Revolving Credit Facility | Line of Credit
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	50,000,000.0		$ 50,000,000.0
Minimum borrowing increment amount	1,000,000.0
Increment borrowing multiple for amounts borrowed in excess of minimum borrowing amount	250,000
Amount outstanding	19,000,000.0
Remaining borrowing capacity	29,300,000
Repayments of debt	19,000,000.0
Increase in debt balance	14,000,000.0
Proceeds from lines of credit	33,000,000.0
Letter of Credit | Line of Credit
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	20,000,000.0
Letters of credit outstanding	1,700,000
Bridge Loan | Line of Credit
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	5,000,000.0
Minimum borrowing increment amount	250,000
Increment borrowing multiple for amounts borrowed in excess of minimum borrowing amount	$ 50,000

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Long-term Debt and Line of Credit - Provisions of Term Loan (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Jun. 30, 2021	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Debt Instrument [Line Items]
Interest paid on termination of interest rate swap		$ 2,220	$ 2,676
Sixth Swap
Debt Instrument [Line Items]
Interest paid on termination of interest rate swap	$ 1,300
Interest Expense | Sixth Swap
Debt Instrument [Line Items]
Loss on mark to market of interest rate swap due to early extinguishment of debt	1,300
Line of Credit
Debt Instrument [Line Items]
Outstanding principal balance		19,434		$ 35,086
Other Debt
Debt Instrument [Line Items]
Outstanding principal balance		$ 400
Term Loan | Line of Credit
Debt Instrument [Line Items]
Original principal amount	60,000
Early debt extinguishment penalties	0
Term Loan | Line of Credit | Interest Expense
Debt Instrument [Line Items]
Charge-off of unamortized debt issuance costs due to early extinguishment of debt	$ 800

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Long-term Debt and Line of Credit - Financial covenants (Details)	9 Months Ended
	Sep. 30, 2021
Debt Disclosure [Abstract]
Covenant compliance, Fixed Charge Coverage Ratio, minimum	1.25
Covenant compliance, Leverage Ratio, maximum	3.00

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Long-term Debt and Line of Credit - Derivative Financial Instruments (Details) $ in Millions	Jul. 31, 2020 USD ($)	Sep. 16, 2015 USD ($) contract
Debt Instrument [Line Items]
Percent Of aggregate principal amount hedged		50.00%
Swap
Debt Instrument [Line Items]
Derivative, notional amount		$ 67.5
Derivative, number of instruments held | contract		5
Sixth Swap
Debt Instrument [Line Items]
Derivative, notional amount	$ 27.0

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Other Long-Term Liabilities - Components (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Other long-term liabilities
Sale-leaseback arrangement	$ 16,164	$ 16,712
CARES Act deferred payroll taxes	3,821
Deferred compensation	2,760	2,818
Accrual for insurance claims liabilities	262	307
Total other long-term liabilities	$ 23,007	$ 19,837

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Other Long-Term Liabilities - Sale-Leaseback (Details) $ in Millions	Sep. 27, 2019 USD ($) Options
Failed Sale Leaseback
Paydown of Term loan	$ 18.2
Failed Sale Leaseback
Failed Sale Leaseback
Sale price of properties sold	$ 19.1
Lease term	15 years
Annual rent	$ 1.5
Annual percentage rent increase	2.00%
Number of consecutive options to extend term | Options	2
Term of available options	10 years

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Other Long-Term Liabilities - CARES Act (Details) $ in Thousands	Sep. 30, 2021 USD ($)
CARES Act deferred payroll taxes	$ 7,600
CARES Act deferred payroll taxes, noncurrent	3,821
Accrued liabilities
CARES Act deferred payroll taxes, current	3,800
Other long-term liabilities
CARES Act deferred payroll taxes, noncurrent	$ 3,800

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Income Taxes - Effective Income Tax (Benefit) Expense Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Income tax expense	$ 1,001	$ 303	$ 341	$ 1,660
Effective income tax rate	(10.90%)	2.50%	(6.30%)	9.10%
Federal statutory tax rate	21.00%		21.00%

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Earnings (Loss) Per Share - Anti-dilutive Securities (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Earnings Per Share [Abstract]
Potential antidilutive securities excluded from computations of earnings per share	793,028	1,086,882	866,925	1,220,314

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Earnings (Loss) Per Share - Basic and Diluted (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Basic:
Weighted average shares outstanding, basic	30,979,207	30,372,310	30,707,426	30,020,258
Effect of dilutive securities:
Common stock options	0	0	0	0
Total weighted average shares outstanding assuming dilution	30,979,207	30,372,310	30,707,426	30,020,258

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Stock-Based Compensation - Narrative (Details) $ / shares in Units, $ in Thousands	1 Months Ended			3 Months Ended		9 Months Ended
	Sep. 30, 2021 USD ($) $ / shares shares	Aug. 31, 2021 $ / shares shares	May 31, 2021 director $ / shares shares	Sep. 30, 2021 USD ($) shares	Sep. 30, 2020 USD ($) shares	Sep. 30, 2021 USD ($) shares	Sep. 30, 2020 USD ($) shares	May 31, 2017 shares
Share-based Compensation
Compensation expense related to stock based awards outstanding | $				$ 500	$ 300	$ 2,200	$ 1,900
Proceeds received upon exercise of stock options | $						110
Total share-based compensation cost not yet recognized | $	$ 3,800			3,800		$ 3,800
Share-based compensation cost not yet recognized, period for recognition						2 years 3 months 18 days
Certain Officers
Share-based Compensation
Payments related to tax withholding for stock-based compensation | $				$ 700	$ 200	$ 900	$ 200
Maximum
Share-based Compensation
Approved and authorized maximum number of shares to be issued | shares								2,400,000
Stock options
Share-based Compensation
Expiration period						10 years
Forfeiture rate applied to awards						5.50%
Proceeds received upon exercise of stock options | $						$ 100
Exercise of stock options, shares | shares				4,791	0	28,546	0
Stock options | Minimum
Share-based Compensation
Vesting period						3 years
Stock options | Maximum
Share-based Compensation
Vesting period						5 years
Proceeds received upon exercise of stock options | $				$ 100
Restricted stock
Share-based Compensation
Forfeiture rate applied to awards						3.20%
Restricted stock | Independent Directors and Certain Officers and Executives
Share-based Compensation
Awards granted in period (in shares) | shares			489,850
Grant date fair value (in dollars per share) | $ / shares			$ 6.01
Restricted stock | Independent Directors
Share-based Compensation
Number of independent directors receiving awards | director			6
Awards granted in period (in shares) | shares	18,215		89,850
Grant date fair value (in dollars per share) | $ / shares	$ 5.49
Restricted stock | Certain Executives
Share-based Compensation
Vesting period	3 years
Awards granted in period (in shares) | shares	9,901
Grant date fair value (in dollars per share) | $ / shares	$ 5.05
Performance Shares | Certain Executives
Share-based Compensation
Awards granted in period (in shares) | shares		259,565	240,000
Grant date fair value (in dollars per share) | $ / shares		$ 2.26
Performance period		1 year	3 years
Performance Shares | Vesting If Performance Target Is Met | Certain Executives
Share-based Compensation
Vesting percentage		50.00%	100.00%
Performance Shares | Vesting on First and Second Anniversary of Determination | Certain Executives
Share-based Compensation
Vesting percentage		25.00%

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Commitments and Contingencies - Narrative (Details) $ in Millions		3 Months Ended	9 Months Ended
	Aug. 21, 2020 item gal	Mar. 31, 2018 USD ($)	Sep. 30, 2021 USD ($) claim lawsuit
Settled Litigation
Other Commitments [Line Items]
Legal settlement		$ 5.5
Notes receivable, current			$ 0.8
Notes receivables, noncurrent			1.3
Receivable, unamortized discount			$ 0.1
Waymon L Boyd Dredge Fire
Other Commitments [Line Items]
Number of crew deaths | item	5
Number of gallons of oil, diesel fuel, and contaminated water discharged | gal	18,000
Number of crewmembers | item	18
Waymon L Boyd Dredge Fire | Pending Litigation
Other Commitments [Line Items]
Number of lawsuits filed | lawsuit			8
Number of claimants | claim			13
Estimated costs recognized			$ 102.1
Accrued loss contingency			62.4
Payments to claimants			$ 39.6
Number of crewmember claimants paid | claim			12

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Segment Information (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021 USD ($) segment	Sep. 30, 2020 USD ($) segment	Sep. 30, 2021 USD ($) segment	Sep. 30, 2020 USD ($) segment	Dec. 31, 2020 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment	2	2	2	2
Contract revenues	$ 139,907	$ 189,433	$ 439,091	$ 539,766
Operating income (loss)	(8,743)	13,085	(1,122)	21,534
Depreciation and amortization			(16,881)	(18,175)
Assets	368,355		368,355		$ 414,189
Property and equipment, net of depreciation	106,685		106,685		$ 125,497
Marine Segment
Segment Reporting Information [Line Items]
Contract revenues	54,739	112,881	190,827	290,549
Operating income (loss)	(4,965)	12,025	6,489	21,584
Depreciation and amortization	(4,232)	(4,543)	(12,912)	(14,063)
Assets	252,332	258,894	252,332	258,894
Property and equipment, net of depreciation	92,612	109,522	92,612	109,522
Marine Segment | Mexico and the Caribbean
Segment Reporting Information [Line Items]
Contract revenues		1,800	2,800	9,700
Marine Segment | Mexico and the Caribbean | Maximum
Segment Reporting Information [Line Items]
Contract revenues	100
Concrete Segment
Segment Reporting Information [Line Items]
Contract revenues	85,168	76,552	248,264	249,217
Concrete Segment | Foreign
Segment Reporting Information [Line Items]
Contract revenues	0	0	0	0
Operating Segments | Marine Segment | Revision of Prior Period, Error Correction, Adjustment
Segment Reporting Information [Line Items]
Operating income (loss)		3,000	2,900	9,200
Operating Segments | Concrete Segment
Segment Reporting Information [Line Items]
Contract revenues	85,168	76,552	248,264	249,217
Operating income (loss)	(3,778)	1,060	(7,611)	(50)
Depreciation and amortization	(1,993)	(2,223)	(6,228)	(6,599)
Assets	116,023	123,626	116,023	123,626
Property and equipment, net of depreciation	14,073	16,389	14,073	16,389
Operating Segments | Concrete Segment | Revision of Prior Period, Error Correction, Adjustment
Segment Reporting Information [Line Items]
Operating income (loss)		(3,000)	(2,900)	(9,200)
Intersegment Eliminations
Segment Reporting Information [Line Items]
Contract revenues	$ 0			$ 2,700
Intersegment Eliminations | Maximum
Segment Reporting Information [Line Items]
Contract revenues		$ 100	$ 100

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Leases - Assets and Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Leases [Abstract]
Operating lease right-of-use assets, net of amortization	$ 15,193	$ 18,874
Financing lease right-of-use assets, net of amortization	12,135	12,858
Total assets	27,328	31,732
Current portion of operating lease liabilities	3,970	4,989
Current portion of financing lease liabilities	1,408	3,901
Total current	5,378	8,890
Operating lease liabilities	12,033	14,537
Financing lease liabilities	10,324	8,376
Total noncurrent	22,357	22,913
Total liabilities	27,735	31,803
Operating lease, right-of-use asset, accumulated amortization	8,900	9,000
Finance lease, right-of-use asset, accumulated amortization	$ 2,100	$ 6,400

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Leases - Term and Discount Rate (Details)	Sep. 30, 2021	Dec. 31, 2020
Leases [Abstract]
Weighted Average Remaining Lease Term, operating lease	5 years 25 days	5 years 3 months
Weighted Average Remaining Lease Term, finance lease	5 years 18 days	4 years 11 months 15 days
Weighted Average Discount Rate, operating lease	4.78%	4.73%
Weighted Average Discount Rate, finance lease	4.22%	4.46%

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Leases - Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Leases [Abstract]
Operating lease cost	$ 1,338	$ 1,588	$ 4,510	$ 4,815
Short-term lease cost	425	833	1,432	2,914
Interest on lease liabilities	125	135	369	410
Amortization of right-of-use assets	657	902	2,259	2,487
Total lease cost	$ 2,545	$ 3,458	$ 8,570	$ 10,626

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Leases - Supplemental Cash Flows (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Leases [Abstract]
Operating cash flows for operating leases	$ 4,358	$ 4,743
Operating cash flows for finance leases	369	410
Financing cash flows for finance leases	2,500	2,751
ROU assets obtained in exchange for new operating lease liabilities	818	3,017
ROU assets obtained in exchange for new financing lease liabilities	$ 4,329	$ 9,714

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Leases - Maturities (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Operating Leases
2021 (Excluding the nine months ended September 30, 2021)	$ 1,291
2022	4,296
2023	3,432
2024	2,641
2025	2,354
Thereafter	4,090
Total future minimum lease payments	18,104
Less - amount representing interest	2,101
Operating Lease, Liability, Total	16,003
Less - current lease obligations	3,970	$ 4,989
Long-term lease obligations	12,033	14,537
Finance Leases
2021 (excluding the nine months ended September 30, 2021)	656
2022	3,492
2023	2,596
2024	2,036
2025	1,430
Thereafter	3,035
Total future minimum lease payments	13,245
Less - amount representing interest	1,513
Present value of future minimum lease payments	11,732
Less - current lease obligations	1,408	3,901
Long-term lease obligations	$ 10,324	$ 8,376