10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q 

(Mark One)

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

For the quarterly period ended June 30, 2018

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: 001-06479

OVERSEAS SHIPHOLDING GROUP, INC.

(Exact name of registrant as specified in its charter)

Delaware	13-2637623
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

302 Knights Run Avenue, Tampa, Florida	33602
(Address of principal executive office)	(Zip Code)

(813) 209-0600

(Registrant's telephone number, including area code) 

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 ý No ¨

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes ý 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 definitions of “large accelerated filer”, “accelerated filer”, “smaller reporting company”, and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer ¨	Accelerated filer x	Non-accelerated filer ¨	Smaller reporting company ¨
		(Do not check if smaller reporting company)	Emerging growth company ¨

If an emerging growth company, indicate 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 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 Exchange Act). Yes ¨ No ý

APPLICABLE ONLY TO ISSUERS INVOLVED IN BANKRUPTCY PROCEEDINGS DURING THE PRECEDING FIVE YEARS:

Indicate by check mark whether the registrant has filed all documents and reports required to be filed by Sections 12, 13 or 15(d) of the Securities Exchange Act of 1934 subsequent to the distribution of securities under a plan confirmed by a court. YES ý NO ¨

APPLICABLE ONLY TO CORPORATE ISSUERS

Indicate the number of shares outstanding of each of the issuer’s classes of common stock, as of the latest practical date. The number of shares outstanding of the issuer’s Class A common stock as of August 3, 2018: Class A common stock, par value $0.01 – 84,562,788 shares. Excluded from these amounts are penny warrants, which were outstanding as of August 3, 2018 for the purchase of 3,962,249 shares of Class A common stock without consideration of any withholding pursuant to the cashless exercise procedures.

TABLE OF CONTENTS

		Page #
Part I—FINANCIAL INFORMATION
Item 1.	Financial Statements
	Condensed Consolidated Balance Sheets as of June 30, 2018 (Unaudited) and December 31, 2017	3
	Condensed Consolidated Statements of Operations (Unaudited) for the three and six months ended June 30, 2018 and 2017	4
	Condensed Consolidated Statements of Comprehensive Income (Unaudited) for the three and six months ended June 30, 2018 and 2017	5
	Condensed Consolidated Statements of Cash Flows (Unaudited) for the six months ended June 30, 2018 and 2017	6
	Condensed Consolidated Statements of Changes in Equity (Unaudited) as of and for the six months ended June 30, 2018	7
	Notes to Condensed Consolidated Financial Statements (Unaudited)	8
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	22
Item 3.	Quantitative and Qualitative Disclosures about Market Risk	28
Item 4.	Controls and Procedures	29
Part II—OTHER INFORMATION
Item 1.	Legal Proceedings	30
Item 1A	Risk Factors	30
Item 2	Unregistered Sales of Equity Securities and Use of Proceeds	30
Item 3	Defaults upon Senior Securities	30
Item 4	Mine Safety Disclosure	31
Item 5	Other Information	31
Item 6.	Exhibits	31
Signatures		32

2

OVERSEAS SHIPHOLDING GROUP, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED BALANCE SHEETS

DOLLARS IN THOUSANDS

	June 30, 2018			December 31, 2017
	(unaudited)
ASSETS
Current Assets:
Cash and cash equivalents	$	130,974		$	165,994
Restricted cash	59			58
Voyage receivables, including unbilled of $6,135 and $9,919	18,257			24,209
Income tax receivable	835			1,122
Receivable from INSW	34			372
Other receivables	1,471			2,184
Inventories, prepaid expenses and other current assets	14,854			13,356
Total Current Assets	166,484			207,295
Vessels and other property, less accumulated depreciation	615,530			632,509
Deferred drydock expenditures, net	24,062			23,914
Total Vessels, Other Property and Deferred Drydock	639,592			656,423
Restricted cash - non current	191			217
Investments in and advances to affiliated companies	38			3,785
Intangible assets, less accumulated amortization	38,717			41,017
Other assets	22,539			23,150
Total Assets	$	867,561		$	931,887
LIABILITIES AND EQUITY
Current Liabilities:
Accounts payable, accrued expenses and other current liabilities	$	34,643		$	34,371
Current installments of long-term debt	—			28,160
Total Current Liabilities	34,643			62,531
Reserve for uncertain tax positions	3,254			3,205
Long-term debt	376,660			420,776
Deferred income taxes, net	84,757			83,671
Other liabilities	47,415			48,466
Total Liabilities	546,729			618,649
Equity:
Common stock - Class A ($0.01 par value; 166,666,666 shares authorized; 80,713,679 and 78,277,669 shares issued and outstanding	807			783
Paid-in additional capital	586,414			584,675
Accumulated deficit	(260,269		)	(265,758		)
	326,952			319,700
Accumulated other comprehensive loss	(6,120		)	(6,462		)
Total Equity	320,832			313,238
Total Liabilities and Equity	$	867,561		$	931,887

 See notes to condensed consolidated financial statements

3

OVERSEAS SHIPHOLDING GROUP, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS

(UNAUDITED)

	Three Months Ended June 30,						Six Months Ended  June 30,
	2018			2017			2018			2017
Shipping Revenues:
Time and bareboat charter revenues	$	54,543		$	72,116		$	108,437		$	151,883
Voyage charter revenues	40,824			24,109			87,959			52,458
	95,367			96,225			196,396			204,341
Operating Expenses:
Voyage expenses	9,402			5,149			21,654			10,941
Vessel expenses	33,656			32,599			67,160			68,243
Charter hire expenses	22,768			22,856			45,315			45,433
Depreciation and amortization	12,426			15,086			24,798			31,711
General and administrative	6,586			6,190			13,369			14,284
Total operating expenses	84,838			81,880			172,296			170,612
Operating income	10,529			14,345			24,100			33,729
Other income/(expense)	385			(87		)	(246		)	(880		)
Income before interest expense, reorganization items and income taxes	10,914			14,258			23,854			32,849
Interest expense	(7,497		)	(9,445		)	(15,573		)	(18,802		)
Income before reorganization items and income taxes	3,417			4,813			8,281			14,047
Reorganization items, net	—			(9		)	—			(244		)
Income before income taxes	3,417			4,804			8,281			13,803
Income tax provision	(362		)	(1,593		)	(1,564		)	(5,162		)
Net income	$	3,055		$	3,211		$	6,717		$	8,641
Weighted Average Number of Common Shares Outstanding:
Basic - Class A	88,367,302			87,769,483			88,237,093			88,309,231
Diluted - Class A	89,198,996			87,964,755			88,910,518			88,542,779
Per Share Amounts:
Basic and diluted net income - Class A	$	0.03		$	0.04		$	0.08		$	0.10

See notes to condensed consolidated financial statements

4

OVERSEAS SHIPHOLDING GROUP, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

DOLLARS IN THOUSANDS

(UNAUDITED)

	Three Months Ended June 30,					Six Months Ended June 30,
	2018			2017		2018			2017
Net income	$	3,055		$	3,211	$	6,717		$	8,641
Other comprehensive income, net of tax:
Net change in unrealized gains on cash flow hedges	—			202		112			350
Defined benefit pension and other postretirement benefit plans:
Net change in unrecognized prior service costs	(39		)	—		(70		)	—
Net change in unrecognized actuarial losses	166			335		300			335
Other comprehensive income	127			537		342			685
Comprehensive income	$	3,182		$	3,748	$	7,059		$	9,326

See notes to condensed consolidated financial statements

5

OVERSEAS SHIPHOLDING GROUP, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

DOLLARS IN THOUSANDS

(UNAUDITED)

	Six Months Ended June 30,
	2018			2017
Cash Flows from Operating Activities:
Net income	$	6,717		$	8,641
Items included in net income not affecting cash flows:
Depreciation and amortization	24,798			31,711
Amortization of debt discount and other deferred financing costs	2,099			2,653
Compensation relating to restricted stock awards and stock option grants	1,497			1,699
Deferred income tax provision	1,057			2,121
Reorganization items, non-cash	—			85
Other – net	1,110			1,481
Loss on extinguishment of debt, net	981			1,189
Distributed earnings of affiliated companies	3,747			3,656
Payments for drydocking	(4,107		)	(3,305		)
SEC, Bankruptcy and IRS claim payments	—			(5,000		)
Changes in operating assets and liabilities	2,603			(20,273		)
Net cash provided by operating activities	40,502			24,658
Cash Flows from Investing Activities:
Expenditures for other property	(22		)	(11		)
Net cash used in investing activities	(22		)	(11		)
Cash Flows from Financing Activities:
Payments on debt	(28,166		)	—
Extinguishment of debt	(47,000		)	(20,008		)
Tax withholding on share-based awards	(359		)	(1,062		)
Net cash used in financing activities	(75,525		)	(21,070		)
Net (decrease)/increase in cash, cash equivalents and restricted cash (Note 3)	(35,045		)	3,577
Cash, cash equivalents and restricted cash at beginning of period (Note 3)	166,269			206,933
Cash, cash equivalents and restricted cash at end of period (Note 3)	$	131,224		$	210,510

 See notes to condensed consolidated financial statements

6

OVERSEAS SHIPHOLDING GROUP, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY

DOLLARS IN THOUSANDS

(UNAUDITED)

	Common Stock (1)		Paid-in Additional Capital (2)			Accumulated Deficit			Accumulated Other Comprehensive Loss (3)			Total
Balance at December 31, 2017	$	783	$	584,675		$	(265,758	)	$	(6,462	)	$	313,238
Adoption of accounting standard (Note 4)	—		—			(1,228		)	—			(1,228		)
Net income	—		—			6,717			—			6,717
Other comprehensive income	—		—			—			342			342
Forfeitures, cancellations, issuance and vesting of restricted stock awards, net	7		(366		)	—			—			(359		)
Compensation related to Class A options granted and restricted stock awards	—		2,122			—			—			2,122
Conversion of Class A warrants to common stock	17		(17		)	—			—			—
Balance at June 30, 2018	$	807	$	586,414		$	(260,269	)	$	(6,120	)	$	320,832

(1) Par value $0.01 per share; 166,666,666 Class A shares authorized; 80,713,679 Class A shares outstanding as of June 30, 2018.

(2) Includes 41,165,789 outstanding Class A warrants as of June 30, 2018.

(3) Amounts are net of tax.

See notes to condensed consolidated financial statements

7

OVERSEAS SHIPHOLDING GROUP, INC. AND SUBSIDIARIES

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS

Note 1 — Basis of Presentation

The accompanying unaudited condensed consolidated financial statements include the accounts of Overseas Shipholding Group, Inc., a Delaware corporation (the “Parent Company”), and its wholly owned subsidiaries (collectively, the “Company” or “OSG”, “we”, “us” or “our”). The Company owns and operates a fleet of oceangoing vessels engaged primarily in the transportation of crude oil and refined petroleum products in the U.S. Flag trades. The Company manages the operations of its fleet through its wholly owned subsidiary, OSG Bulk Ships, Inc. (“OBS”), a New York corporation.

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with generally accepted accounting principles for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. They do not include all of the information and notes required by generally accepted accounting principles in the United States. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair statement of the results have been included. Operating results for the three and six months ended June 30, 2018, are not necessarily indicative of the results that may be expected for the year ending December 31, 2018. 

The condensed consolidated balance sheet as of December 31, 2017 has been derived from the audited financial statements at that date but does not include all of the information and notes required by generally accepted accounting principles in the United States for complete financial statements. For further information, refer to the consolidated financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2017 (“Form 10-K”). 

Note 2 — Chapter 11 Filing and Emergence from Bankruptcy

In October 2012, the Company disclosed that its Audit Committee, on the recommendation of management, concluded that the Company’s previously issued financial statements for at least the three years ended December 31, 2011 and associated interim periods, and for the fiscal quarters ended March 31, 2012 and June 30, 2012, should no longer be relied upon. Shortly thereafter several putative class action suits were filed in the United States District Court for the Southern District of New York against the Company. Also named as defendants were its then President and Chief Executive Officer, its then Chief Financial Officer, its then current and certain former members of its Board of the Directors, and certain Company representatives.

On November 14, 2012 (the “Petition Date”), the Parent Company and 180 of its subsidiaries filed voluntary petitions for reorganization under Chapter 11 of the U.S. Bankruptcy Code in the U.S. Bankruptcy Court for the District of Delaware (the “Bankruptcy Court”). On August 5, 2014, a plan of reorganization (the “Equity Plan”) became effective and OSG emerged from bankruptcy.

On January 23, 2017, the SEC commenced an administrative proceeding, with the Company’s consent, that fully resolved an SEC investigation that was initiated in connection with the Company’s earnings restatement announced in 2012. The Company neither admitted nor denied the SEC’s allegations that the Company violated certain provisions of the Securities Act, the Exchange Act and related rules. After receiving Bankruptcy Court approval, the Company paid a $5,000 civil penalty relating to the investigation in February 2017. The settlement with the SEC does not require any further changes to the Company’s historical financial statements. Any indemnification or contribution claims by officers or directors of the Company that could be asserted in connection with the SEC’s investigation have been released or otherwise resolved pursuant to the Equity Plan and order of the Bankruptcy Court.

On February 10, 2017, pursuant to a final decree and order of the Bankruptcy Court, OSG’s one remaining case, as the Parent Company, was closed. 

Reorganization items, net of $9 and $244 for the three and six months ended June 30, 2017, respectively, represent amounts incurred subsequent to the Petition Date as a direct result of the filing of our Chapter 11 cases and are related to trustee and professional fees.

8

OVERSEAS SHIPHOLDING GROUP, INC. AND SUBSIDIARIES

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS

Note 3 — Recently Adopted and Issued Accounting Standards

Recently Adopted Accounting Standards

In May 2017, the FASB issued ASU 2017-09, Compensation—Stock Compensation (ASC 718), Scope of Modification Accounting,which provides guidance in regards to a change to the terms or conditions of a share-based payment award. An entity is required to account for the effects of a modification unless all the following are met: (1) the fair value of the modified award is the same as the fair value of the original award immediately before the original award is modified; (2) the vesting conditions of the modified award are the same as the vesting conditions of the original award immediately before the original award is modified; (3) the classification of the modified award as an equity instrument or a liability instrument is the same as the classification of the original award immediately before the original award is modified. The guidance is to be applied prospectively to an award modified on or after the adoption date. The standard is effective for annual periods beginning after December 15, 2017 and interim periods within that reporting period. The adoption of this accounting policy had no impact on the Company’s consolidated financial statements since there were no stock award modifications during the six months ended June 30, 2018.

In March 2017, the FASB issued ASU 2017-07, Compensation — RetirementBenefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost, that will change how employers that sponsor defined benefit pension and/or other postretirement benefit plans present the net periodic benefit cost in the income statement. Under ASU 2017-07, employers will present the service cost component of net periodic benefit cost in the same income statement line item(s) as other employee compensation costs arising from services rendered during the period. Only the service cost component will be eligible for capitalization in assets. Additionally, employers will present the other components of the net periodic benefit cost separately from the line item(s) that includes the service cost and outside of any subtotal of operating income, if one is presented. These components will not be eligible for capitalization in assets. The guidance is effective for interim and annual periods beginning after December 15, 2017. This standard must be applied retrospectively to all periods presented. The Company retrospectively adopted this standard effective January 1, 2018. The amortization of actuarial (gain)/loss and amortization of prior service credits have been reclassified from vessel expenses and general and administrative expenses to other expense in the Company's consolidated statements of operations.

The effect of the retrospective presentation change related to the net periodic cost of the Company's domestic pension and postretirement benefit plans on its consolidated statements of operations was as follows:

	Six Months Ended June 30, 2017
($ in thousands)	As Previously Reported		Impact of Adoption			As Adjusted
Vessel expenses	$	68,173	$	70		$	68,243
General and administrative	14,604		(320		)	14,284
Total Operating Expenses	170,862		(250		)	170,612
Operating income	33,479		250			33,729
Other expense	630		250			880

In November 2016, the FASB issued ASU No. 2016-18, Statement of Cash Flows (ASC 230): Restricted Cash, which requires that amounts generally described as restricted cash and restricted cash equivalents be included with cash and cash equivalents when reconciling the beginning-of-period and end-of-period total amounts shown on the statement of cash flows. The standard is effective for annual periods beginning after December 15, 2017 and interim periods within that reporting period. This standard must be applied retrospectively to all periods presented. The Company adopted this standard effective January 1, 2018. The prior period has been adjusted to conform to current period presentation, which resulted in a decrease of $9,909 in net cash provided by investing activities for the six months ended June 30, 2017, related to changes in restricted cash amounts.

In October 2016, the FASB issued ASU No. 2016-16, Income Taxes (ASC 740): Intra-Entity Transfers of Assets Other Than Inventory, amending the accounting for income taxes. Under current guidance the recognition of current and deferred income taxes for an intra-entity asset transfer is prohibited until the asset has been sold to an outside party. The amended guidance eliminates the prohibition against immediate recognition of current and deferred income tax amounts associated with intra entity transfers of assets other than inventory. This guidance is effective for interim and annual periods beginning after December 15, 2017. The requirements of the amended guidance should be applied on a modified retrospective basis through a

9

OVERSEAS SHIPHOLDING GROUP, INC. AND SUBSIDIARIES

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS

cumulative-effect adjustment directly to retained earnings as of the beginning of the period of adoption. The Company adopted this standard effective January 1, 2018. The adoption of the standard did not have any impact to the Company's consolidated financial statements.

In August 2016, the FASB issued ASU 2016-15, Classification of Certain Cash Receipts and Cash Payments (ASC 230), which amends the guidance in ASC 230 on the classification of certain cash receipts and payments in the statement of cash flows. The primary purpose of the ASU is to reduce the diversity in practice that has resulted from the lack of consistent principles on this topic with respect to (1) debt prepayment or debt extinguishment costs; (2) settlement of zero-coupon debt; (3) contingent consideration payments made after a business combination; (4) proceeds from the settlement of insurance claims; (5) proceeds from the settlement of corporate-owned life insurance policies; (6) distributions received from equity method investees; (7) beneficial interests in securitization transactions; and (8) separately identifiable cash flows and application of the predominance principle. The standard is effective for interim and annual periods beginning after December 31, 2017. The guidance requires application using a retrospective transition method. The Company adopted this standard effective January 1, 2018. The Company determined that its current accounting policies align with this standard, therefore, this standard did not have an impact on the Company's consolidated financial statements.

In May 2014, the FASB issued ASU No. 2014-09, Revenue from Contracts with Customers (ASC 606), to provide a single, comprehensive revenue recognition model for all contracts with customers to improve comparability within industries, across industries, and across capital markets. Subsequent to the May 2014 issuance, several clarifications and updates have been issued on this topic. The underlying principle is that an entity will recognize revenue to depict the transfer of goods or services to customers at an amount that the entity expects to be entitled to in exchange for those goods or services. The Company adopted ASC 606 effective January 1, 2018 using the modified retrospective transition method. The Company recognized the cumulative effect of initially applying the new revenue standard as an adjustment to the opening balance of retained earnings at the beginning of 2018. The comparative information has not been restated and continues to be reported under the accounting standards in effect for the period presented.

See Note 4, “Revenue Recognition,” for additional accounting policy and transition disclosures.

Recently Issued Accounting Standards

In February 2018 the FASB issued ASU 2018-02, Income Statement - Reporting Comprehensive Income (Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income, that gives entities the option to reclassify to retained earnings tax effects related to items that have been stranded in accumulated other comprehensive income as a result of the Tax Cuts and Jobs Act (“TCJA”). The new guidance may be applied retrospectively to each period in which the effect of the TCJA is recognized in the period of adoption. The Company must adopt this guidance for fiscal years beginning after December 15, 2018 and interim periods within those fiscal years. Early adoption is permitted for periods for which financial statements have not yet been issued or made available for issuance, including the period the TCJA was enacted. The guidance, when adopted, will require new disclosures regarding a company’s accounting policy for releasing the tax effects in AOCI and permit the company the option to reclassify to retained earnings the tax effects resulting from the TCJA that are stranded in AOCI. The Company is currently evaluating how to apply the new guidance and has not determined whether it will elect to reclassify stranded amounts. The adoption of ASU 2018-02 is not expected to have a material effect on the Company's consolidated financial statements.

In February 2016, the FASB issued ASU No. 2016-02, Leases (ASC 842), which requires lessees to recognize most leases on the balance sheet. This is expected to increase both reported assets and liabilities. For public companies, the standard will be effective for the first interim reporting period within annual periods beginning after December 15, 2018, although early adoption is permitted. Lessees and lessors will be required to apply the new standard at the beginning of the earliest period presented in the financial statements in which they first apply the new guidance, using a modified retrospective transition method. The requirements of this standard include a significant increase in required disclosures. Management is analyzing the impact of the adoption of this guidance on the Company’s consolidated financial statements, including assessing changes that might be necessary to information technology systems, processes and internal controls to capture new data and address changes in financial reporting. Management expects that the Company will recognize substantial increases in reported amounts for property, plant and equipment and related lease liabilities upon adoption of the new standard. As of June 30, 2018, the contractual obligations for the Company’s leased vessels was approximately $208,200.

10

OVERSEAS SHIPHOLDING GROUP, INC. AND SUBSIDIARIES

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS

Note 4 - Revenue Recognition

Adoption of ASC 606

On January 1, 2018, the Company adopted ASC 606 applying the modified retrospective method to all contracts not completed as of January 1, 2018. Results for reporting periods beginning after January 1, 2018 are presented under ASC 606, while prior period amounts are not adjusted and continue to be reported under the accounting standards in effect for the prior period.

The impact of adopting the new standard primarily related to a change in the timing of revenue recognition for voyage charter contracts. In the past, the Company recognized revenue from voyage charters ratably over the estimated length of each voyage, calculated on a discharge-to-discharge basis. Under the new standard, the Company recognizes revenue from voyage charters ratably over the estimated length of each voyage, calculated on a load-to-discharge basis. In addition, the adoption of ASC 606 resulted in a corresponding change in the timing of recognition of voyage expenses for voyage charter contracts.

The cumulative effect of the changes made to the Company's consolidated January 1, 2018 balance sheet for the adoption of ASC 606 was as follows:

($ in thousands)	Balance at December 31, 2017			Adjustments Due to ASC 606			Balance at January 1, 2018
Assets
Voyage receivables	$	24,209		$	1,336		$	25,545
Liabilities
Deferred income taxes	83,671			(108		)	83,563
Equity
Accumulated deficit	(265,758		)	(1,228		)	(266,986		)

For the six months ended June 30, 2018, revenues increased by $1,583, net income increased by $1,228 and basic and diluted net income per share increased by $0.02 per share as a result of applying ASC 606.

Revenue Recognition

Revenues are recognized when control of the promised services are transferred to the Company's customers in an amount that reflects the consideration that the Company expects to receive in exchange for those services.

Voyage Charter Revenues

The Company enters into voyage charter contracts, which are charters under which a customer pays a transportation charge, voyage freight, for the movement of a specific cargo between two or more specified ports. The Company's performance obligation under voyage charters, which consists of moving cargo from a load port to a discharge port, is satisfied over time. Accordingly, under ASC 606, the Company recognizes revenue from voyage charters ratably over the estimated length of each voyage, calculated on a load-to-discharge basis. The transaction price is in the form of a fixed fee at contract inception, which is the transportation charge. Voyage charter contracts also include variable consideration in the form of demurrage, which is additional revenue the Company receives for delays experienced in loading or unloading cargo that are not deemed to be the responsibility of the Company, calculated in accordance with specific charter terms. The Company does not include demurage in the transaction price for voyage charters as it is considered constrained since it is highly susceptible to factors outside the Company's influence. Examples of when demurrage is incurred include weather conditions and security regulations at ports. The uncertainty related to this variable consideration is resolved upon the completion of the voyage, the duration of which is generally less than 30 days.

Lightering Revenues

The Company enters into lightering contracts, which are contracts for the off-loading of crude oil or petroleum products from large size tankers, typically, Very Large Crude Carriers, into smaller tankers or barges for discharge in ports from which the larger tankers are restricted due to the depth of the water, narrow entrances or small berths. For lightering services, the customer does not obtain or control a minor amount of the output or other utility of the vessel. Also, the customer does not have the

11

OVERSEAS SHIPHOLDING GROUP, INC. AND SUBSIDIARIES

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS

ability or right to control physical access to the vessel and there is a guaranteed monthly or annual minimum volume requirement that the fixed price that the customer pays is based on. The Company invoices the customer monthly based on either the actual barrels of cargo lightered or the monthly minimum volume requirement in the contract for services delivered over time. Annually, the Company performs a reconciliation between actual barrels lightered and the annual minimum volume requirement and, if necessary, bills the customer for amounts in excess of the minimum. Lightering contracts also include variable consideration for barrels delivered in excess of the contractual minimum. The Company does not include this variable consideration in the transaction price for lightering contracts as it is considered constrained since it is controlled by the customer. The uncertainty related to this variable consideration is resolved with the customer either on a monthly or annual basis as stipulated in the contract. Lightering revenue is included within voyage charter revenue on the consolidated statements of operations.

Time Charter Revenues

The Company enters into time charter contracts under which a customer pays a fixed daily or monthly rate for a fixed period of time for use of a vessel. The Company recognizes revenues from time charters as operating leases and are thus recognized ratably over the non-cancellable contract term, as service is performed. Customers pay voyage expenses such as fuel, canal tolls and port charges. The Company pays vessel expenses such as technical management expenses. The Company continues to evaluate the impact of the standard as it relates to non-lease components of time charter contracts and will finalize its position when the FASB’s Proposed Accounting Standards Update - Leases (Topic 842): Targeted Improvements becomes final, which will be consistent with the effective date and transition of the new leasing guidance in ASU 2016-02.

U.S. Maritime Security Program

Two of the Company's reflagged U.S. Flag Product Carriers participate in the U.S. Maritime Security Program ("MSP"), which ensures that privately-owned, military-useful U.S. Flag vessels are available to the U.S. Department of Defense in the event of war or national emergency. The Company receives an annual operating-differential subsidy pursuant to the Merchant Marine Act of 1936 for each participating vessel, subject in each case to annual congressional appropriations. The subsidy is intended to reimburse owners for the additional costs of operating U.S. Flag vessels. The Company considers the MSP contract with the U.S. government as a service arrangement under ASC 606.

Contract Balances

As of June 30, 2018 and December 31, 2017, contract balances from contracts with customers consisted of voyage receivables, including unbilled receivables, of $17,425 and $22,860, respectively, net of allowance for doubtful accounts. For voyage charters, voyage freight is due to the Company upon completion of discharge at the last discharge port. For lightering contracts, the Company invoices the customer monthly based on either the actual barrels of cargo lightered or the monthly minimum volume requirement in the contract for services delivered over time. The Company routinely reviews its voyage receivables and makes provisions for probable doubtful accounts; however, those provisions are estimates and actual results could differ from those estimates and those differences may be material. Voyage receivables are deemed uncollectible and removed from accounts receivable and the allowance for doubtful accounts when collection efforts have been exhausted.

Costs to Fulfill a Contract

Under ASC 606, for voyage charters and lightering contracts, the Company capitalizes the direct costs, which are voyage expenses, of relocating the vessel to the load port to be amortized during transport of the cargo. At June 30, 2018, there were no such direct costs related to voyages that were not yet completed as there were no in process voyages.

Transaction Price Allocated to the Remaining Performance Obligations

The Company will generally have partially satisfied performance obligations at month-end due to voyage charters which have not been completed. At June 30, 2018, there were no voyage charters that were not yet completed.

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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS

Practical Expedients and Exemptions

For voyage charters, the Company expenses broker commissions, which are costs of obtaining a contract, when incurred because the amortization period is less than one year. The Company records these costs within voyage expenses in the consolidated statements of operations.

For contracts that were modified before the adoption date, the Company has not retrospectively restated the contract for those contract modifications.

Note 5 — Earnings per Common Share

Basic earnings per common share is computed by dividing earnings, after the deduction of dividends and undistributed earnings allocated to participating securities, by the weighted average number of common shares outstanding during the period. As management deemed the exercise price for the Class A warrants of $0.01 per share to be nominal, warrant proceeds are ignored and the shares issuable upon Class A warrant exercise are included in the calculation of basic weighted average common shares outstanding for all periods.

The computation of diluted earnings per share assumes the issuance of common stock for all potentially dilutive stock options and restricted stock units. Participating securities are defined by ASC 260, Earnings Per Share, as unvested share-based payment awards that contain non-forfeitable rights to dividends or dividend equivalents and are included in the computation of earnings per share pursuant to the two-class method.

Class A

There were no weighted average shares of unvested Class A restricted common stock shares considered to be participating securities for the three and six months ended June 30, 2018. There were 125,145 and 99,814 weighted average shares of unvested Class A restricted common stock shares considered to be participating securities for the three and six months ended June 30, 2017, respectively. For the three and six months ended June 30, 2017, such participating securities were allocated a portion of income under the two-class method.  

The computation of diluted earnings per share assumes the issuance of common stock for all potentially dilutive stock options and restricted stock units not classified as participating securities. As of June 30, 2018, there were 893,215 shares of Class A restricted stock units and 866,011 Class A stock options outstanding which were considered to be potentially dilutive securities. As of June 30, 2017, there were 430,633 shares of Class A restricted stock units and 384,084 Class A stock options outstanding which were considered to be potentially dilutive securities. 

The components of the calculation of basic earnings per share and diluted earnings per share are as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
Net income	$	3,055	$	3,211	$	6,717	$	8,641
Weighted average common shares outstanding:
Class A common stock - basic	88,367,302		87,769,483		88,237,093		88,309,231
Class A common stock - diluted	89,198,996		87,964,755		88,910,518		88,542,779

For the three and six months ended June 30, 2018, there were 831,694 and 673,425 dilutive equity awards outstanding, respectively. For the three and six months ended June 30, 2017, there were 195,272 and 233,548 dilutive equity awards outstanding, respectively. Awards of 452,758 and 491,957 (which includes restricted stock units and stock options) for the three and six months ended June 30, 2018 were not included in the computation of diluted earnings per share because inclusion of these awards would be anti-dilutive.

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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS

Note 6 — Fair Value Measurements, Derivatives and Fair Value Disclosures

The following methods and assumptions were used to estimate the fair value of each class of financial instrument:

Cash and cash equivalents and restricted cash— The carrying amounts reported in the condensed consolidated balance sheet for interest-bearing deposits approximate their fair value.

Debt— The fair values of the Company’s publicly traded and non-public debt are estimated based on quoted market prices.

ASC 820, Fair Value Measurements and Disclosures, relating to fair value measurements defines fair value and established a framework for measuring fair value. The ASC 820 fair value hierarchy distinguishes between market participant assumptions developed based on market data obtained from sources independent of the reporting entity and the reporting entity's own assumptions about market participant assumptions developed based on the best information available in the circumstances. ASC 820 defines fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date, essentially an exit price. In addition, the fair value of assets and liabilities should include consideration of non-performance risk, which for the liabilities described below includes the Company's own credit risk. 

The levels of the fair value hierarchy established by ASC 820 are as follows:

Level 1 - Quoted prices in active markets for identical assets or liabilities 

Level 2 - Quoted prices for similar assets and liabilities in active markets or inputs that are observable

Level 3 - Unobservable inputs that are supported by little or no market activity and that are significant to the fair value

of the assets or liabilities 

Financial Instruments that are not Measured at Fair Value on a Recurring Basis

The estimated fair values of the Company’s financial instruments that are not measured at fair value on a recurring basis, categorized based upon the fair value hierarchy, are as follows:

	Carrying Value		Fair Value
			Level 1		Level 2
June 30, 2018:
Assets
Cash (1)	$	131,224	$	131,224	$	—
Total	$	131,224	$	131,224	$	—
Liabilities
OBS Term loan	375,974		—		377,747
7.5% Election 2 notes due 2021	296		—		298
7.5% notes due 2024	390		—		387
Total	$	376,660	$	—	$	378,432

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OVERSEAS SHIPHOLDING GROUP, INC. AND SUBSIDIARIES

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS

	Carrying Value		Fair Value
			Level 1		Level 2
December 31, 2017:
Assets
Cash (1)	$	166,269	$	166,269	$	—
Total	$	166,269	$	166,269	$	—
Liabilities
OBS Term loan	448,251		—		441,630
7.5% Election 2 notes due 2021	295		—		305
7.5% notes due 2024	390		—		380
Total	$	448,936	$	—	$	442,315

(1) Includes current and non-current restricted cash aggregating $250 and $275 at June 30, 2018 and December 31, 2017, respectively. Restricted cash as of June 30, 2018 and December 31, 2017 is related to the Company's Unsecured Senior Notes.

Nonfinancial Instruments that are Measured at Fair Value on a Nonrecurring Basis

Vessel and Intangible Assets Impairments

During the second quarter of 2018, the Company gave consideration as to whether events or changes in circumstances had occurred since December 31, 2017 that could indicate the carrying amounts of the vessels in the Company's fleet and the carrying value of the Company's intangible assets may not be recoverable as of June 30, 2018. The Company concluded that no such events or changes in circumstances had occurred.

Derivatives

Interest Rate Risk

OBS was a party to an interest rate cap agreement (“Interest Rate Cap”) with a start date of February 5, 2015 with a major financial institution covering a notional amount of $375,000 to limit the floating interest rate exposure associated with the OBS Term Loan. The Interest Rate Cap terminated on February 5, 2018. The Interest Rate Cap was designated and qualified as a cash flow hedge, contained no leverage features and had a cap rate of 2.5% through February 5, 2017, at which time the cap rate increased to 3.0% through the termination date of February 5, 2018.

The effect of the Company’s cash flow hedging relationships on the unaudited condensed consolidated statement of operations for the six months ended June 30, 2018 and 2017 was $181 and $551, respectively, which represents the effective portion of loss reclassified from accumulated other comprehensive loss for interest expense associated with the Interest Rate Cap.

See Note 11, “Accumulated Other Comprehensive Loss,” for disclosures relating to the impact of derivative instruments on accumulated other comprehensive loss.

Note 7 — Debt

Exit Financing Facilities

Capitalized terms used hereafter in this Note 7 have the meanings given in this Quarterly Report on Form 10-Q or in the Company’s 2017 Annual Report on Form 10-K or in the respective transaction documents referred to below, including subsequent amendments thereto.

On the Effective Date, to support the Equity Plan, OSG and its subsidiaries entered into secured debt facilities consisting of: (i) a secured asset-based revolving loan facility of $75,000, among the Parent Company, OBS, certain OBS subsidiaries, Wells Fargo Bank, National Association (“Wells Fargo”) as Administrative Agent, and the other lenders party thereto (the “OBS ABL

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OVERSEAS SHIPHOLDING GROUP, INC. AND SUBSIDIARIES

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS

Facility”), secured by a first lien on substantially all of the U.S. Flag assets of OBS and its subsidiaries and a second lien on certain other specified U.S. Flag assets and (ii) a secured term loan of $603,000, among the Parent Company, OBS, certain OBS subsidiaries, Jefferies Finance LLC (“Jefferies”), as Administrative Agent, and other lenders party thereto (the “OBS Term Loan”), secured by a first lien on certain specified U.S. Flag assets of OBS and its subsidiaries and a second lien on substantially all of the other U.S. Flag assets of OBS and its subsidiaries. As of June 30, 2018, no amounts had been drawn under the OBS ABL Facility. The OBS ABL Facility matures on February 5, 2019 and the OBS Term Loan matures on August 5, 2019.

The OBS Term Loan amortizes in equal quarterly installments in aggregate annual amounts equal to 1% of the original principal amount of the loans, adjusted for optional and mandatory prepayments. However, due to a $20,000 prepayment made on May 16, 2016, the Company is no longer required to make the 1% annualized principal payments. The OBS Term Loan stipulates that if annual aggregate net cash proceeds of asset sales exceed $5,000, the net cash proceeds from each such sale are required to be reinvested in fixed or capital assets within twelve months of such sale or be used to prepay the principal balance outstanding of the facility.

During the six months ended June 30, 2018, the Company made a mandatory prepayment of $28,166 and an optional prepayment of $47,000 on its OBS Term Loan. The aggregate net loss of $981 realized on these transactions during the six months ended June 30, 2018 reflects a write-off of unamortized original issue discount and deferred financing costs associated with the principal reductions and is included in other expense in the consolidated statements of operations.

The OBS Term Loan is subject to additional mandatory annual prepayments in an aggregate principal amount of up to 50% of Excess Cash Flow. As of June 30, 2018, management determined that no prepayments will be required for the OBS Term Loan for 2019 because the optional prepayment made in 2018 discussed above was in excess of the amounts that would otherwise have been payable.

The Exit Financing Facilities also contain certain restrictions relating to new borrowings, and the movement of funds between OBS and OSG (as Parent Company), which is not a borrower under the Exit Financing Facilities, as set forth in the respective loan agreements. The Parent Company’s ability to receive cash dividends, loans or advances from OBS is restricted under the Exit Financing Facilities. The Available Amount for cash dividends, loans or advances to the Parent Company permitted under the OBS Term Loan was $71,758 as of June 30, 2018.

The OBS Term Loan, maturing on August 5, 2019, has an outstanding principal balance of $380,000. The Company began evaluating alternatives in early 2018 to refinance the OBS Term Loan, including a broad assessment of interest rates and other prevailing conditions in the capital markets. Based on the Company's evaluations to date and current market conditions, the Company believes that it is probable that it will refinance its OBS Term Loan before it becomes due. The Company is actively engaged in the process of obtaining replacement financing.

Note 8 — Taxes

For the three months ended June 30, 2018 and 2017, the Company recorded income tax provisions of $362 and $1,593, respectively, which represented effective tax rates of 11% and 33%, respectively. For the six months ended June 30, 2018 and 2017, the Company recorded income tax provisions of $1,564 and $5,162, respectively, which represented effective tax rates of 19% and 37%, respectively. The decrease in the effective tax rate for the 2018 period compared to the 2017 period was substantially due to the reduction of the statutory federal rate from 35% to 21% with the signing into law the Tax Cuts and Jobs Act (“TCJA”) on December 22, 2017. The effective tax rate for the period in both 2018 and 2017 was different from the statutory rate primarily as a result of the income tax provision resulting from stock compensation pursuant to ASU 2016-09 offset in part by the non-taxability of income subject to U.S. tonnage tax. The effective tax rate for the 2018 period was also impacted by the TCJA interest and executive compensation deduction limitations.

The Company recorded reasonable estimates of the impact of the TCJA on the Company’s deferred tax balances as provisional estimates at December 31, 2017 in accordance with SEC Staff Accounting Bulletin No. 118. There has been no activity through the second quarter that has required the Company to refine its estimate. The Company will continue to analyze additional information and guidance related to the TCJA as supplemental legislation, regulatory guidance or evolving technical interpretations become available. The Company continues to expect to complete its analysis no later than the fourth quarter of 2018.

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OVERSEAS SHIPHOLDING GROUP, INC. AND SUBSIDIARIES

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS

As of June 30, 2018 and December 31, 2017, the Company recorded a noncurrent reserve for uncertain tax positions of $3,254 and $3,205, respectively, after taking into consideration tax attributes, such as net operating loss carryforwards, and accrued interest and penalties of $960 and $911, respectively.

The Internal Revenue Service (“IRS”) completed its examination of the Company's tax returns for fiscal years 2012 through 2015 and received notification that the Joint Committee on Taxation completed their review of the report on July 2, 2018. The proposed adjustments from the examination period relate primarily to the attribution of taxable income to a particular jurisdiction and disallowed officers compensation under Section 162(m). As previously disclosed in 2017 and previous years, the Company had recorded uncertain tax positions for several other tax positions reported in the income tax returns during these years. The final IRS report did not include any assessments related to those positions. As a result of the closure of the examination in July, it is anticipated the Company will reduce its unrecognized tax benefits for those previously reserved positions up to $36,000 and recognize a tax benefit of up to $22,000 within the third quarter.

Note 9 — Related Parties

Equity Method Investment

Investments in and advances to affiliated companies are comprised of the Company’s 37.5% interest in Alaska Tanker Company, LLC (“ATC”), which manages vessels carrying Alaskan crude for BP West Coast Products, LLC (“BP”). In the first quarter of 1999, OSG, BP, and Keystone Shipping Company formed ATC to manage the vessels carrying crude oil for BP. ATC provides marine transportation services in the environmentally sensitive Alaskan crude oil trade. Each member in ATC is entitled to receive its respective share of any incentive charter hire payable by BP to ATC.

Guarantees

INSW entered into guarantee arrangements in connection with the spin-off from OSG on November 30, 2016, in favor of Qatar Liquefied Gas Company Limited (2) (“LNG Charterer”) and relating to certain LNG Tanker Time Charter Party Agreements with the LNG Charterer and each of Overseas LNG H1 Corporation, Overseas LNG H2 Corporation, Overseas LNG S1 Corporation and Overseas LNG S2 Corporation (such agreements, the “LNG Charter Party Agreements,” and such guarantees, collectively, the “LNG Performance Guarantees”).

OSG continues to provide a guarantee in favor of the LNG Charterer relating to the LNG Charter Party Agreements (such guarantees, the ‘‘OSG LNG Performance Guarantee’’). INSW will indemnify OSG for liabilities arising from the OSG LNG Performance Guarantees pursuant to the terms of the Separation and Distribution Agreement. The maximum potential liability associated with this guarantee is not estimable because obligations are only based on future non-performance events of charter arrangements. In connection with the OSG LNG Performance Guarantees, INSW will pay a $135 fee per year to OSG, which is subject to escalation after 2018 and will be terminated if OSG ceases to provide the OSG LNG Performance Guarantee.

Note 10 — Capital Stock and Stock Compensation

Share and Warrant Repurchases

During the six months ended June 30, 2018, in connection with the vesting of restricted stock units, the Company repurchased 163,464 shares of Class A common stock at an average cost of $2.20 per share (based on the market prices on the dates of vesting) from certain members of management to cover withholding taxes.

Warrant Conversions

During the six months ended June 30, 2018, the Company issued 1,725,801 shares of Class A common stock as a result of the exercise of 9,106,422 Class A warrants. During the six months ended June 30, 2017, the Company issued 4,477,726 shares of Class A common stock as a result of the exercise of 23,625,925 Class A warrants.

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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS

Stock Compensation

The Company accounts for stock compensation expense in accordance with the fair value based method required by ASC 718, Compensation – Stock Compensation. Such fair value based method requires share based payment transactions to be measured based on the fair value of the equity instruments issued.

Director Compensation — Restricted Stock Units

During the three months ended June 30, 2018, the Company awarded 151,300 time-based restricted stock units (“RSUs”) to its non-employee directors. The average grant date fair value of these awards was $3.65 per RSU. Such RSUs vest in full on the first anniversary of the grant date, subject to each director continuing to provide services to the Company through such date.

Management Compensation — Restricted Stock Units and Stock Options

During the three and six months ended June 30, 2018, the Company granted 0 and 365,584 RSUs to its employees, including senior officers, respectively. The average grant date fair value of these awards was $1.70 per RSU. Each RSU represents a contingent right to receive one share of Class A common stock upon vesting. Each award of RSUs will vest in equal installments on each of the first three anniversaries of the grant date.

In addition, during the six months ended June 30, 2018, the Company awarded 330,882 shares of the Company's Class A common stock to one of its senior officers, net of all taxes, which vested immediately. The average grant date fair value of these awards was $1.70.

During the three and six months months ended June 30, 2018, the Company awarded 0 and 142,060 performance-based RSUs to its senior officers. Each performance-based RSU represents a contingent right to receive RSUs based upon continuous employment through the end of a three-year performance period (the “Performance Period”) and shall vest as follows: (i) one-half of the target RSUs shall vest and become nonforfeitable subject to OSG’s return on invested capital (“ROIC”) performance in the three-year ROIC performance period relative to a target rate (the “ROIC Target”) set forth in the award agreements (the formula for ROIC is net operating profit after taxes divided by the net of total debt plus shareholders equity less cash); and (ii) one–half of the target RSUs will be subject to OSG’s three–year total shareholder return (“TSR”) performance relative to that of a performance index over a three–year TSR performance period. The index will consist of companies that comprise a combination of the oil and gas storage and transportation and marine GICS sub-industries indexes during the Performance Period. Vesting is subject in each case to the Human Resources and Compensation Committee’s certification of achievement of the performance measures and targets.

Both the ROIC Target RSUs and the TSR Target RSUs are subject to an increase up to a maximum of 106,545 target RSUs, respectively, (aggregate 213,090 target RSUs) or decrease depending on performance against the applicable measure and targets. The ROIC performance goal is a performance condition which, as of June 30, 2018, management believed, was considered probable of being achieved. Accordingly, for financial reporting purposes, compensation costs have been recognized. The grant date fair value of the TSR based performance awards, which have a market condition, was determined to be $1.70 per RSU.

During the three and six months ended June 30, 2018, the Company awarded 0 and 494,118 stock options to certain senior officers, respectively, which vested immediately. Each stock option represents an option to purchase one share of Class A common stock for an exercise price of $1.70 per share. The call option value of the options was $0.92 per option. Under the grant agreement, the stock options have a holding requirement until the earliest to occur of (i) a change in control; (ii) the separation from service date, in the event of a termination of the grantee's employment by the Company without cause or by the grantee for good reason and (iii) the third anniversary of the grant date. The stock options expire on the business day immediately preceding the tenth anniversary of the award date. If a stock option grantee’s employment is terminated for cause (as defined in the applicable Form of Grant Agreement), stock options (whether then vested or exercisable or not) will lapse and will not be exercisable. If a stock option grantee’s employment is terminated for reasons other than cause, the option recipient may exercise the vested portion of the stock option but only within such period of time ending on the earlier to occur of (i) the 90th day ending after the option holder’s employment terminated and (ii) the expiration of the options, provided that if the option holder’s employment terminates for death or disability the vested portion of the option may be exercised until the earlier of (i) the first anniversary of employment termination and (ii) the expiration date of the options.

Note 11 — Accumulated Other Comprehensive Loss

The components of accumulated other comprehensive loss, net of related taxes, in the condensed consolidated balance sheets follow:

As of	June 30, 2018			December 31, 2017
Unrealized losses on derivative instruments	$	—		$	(112	)
Items not yet recognized as a component of net periodic benefit cost (pension and other postretirement benefit plans)	(6,120		)	(6,350		)
Accumulated other comprehensive loss	$	(6,120	)	$	(6,462	)

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OVERSEAS SHIPHOLDING GROUP, INC. AND SUBSIDIARIES

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS

The following tables present the changes in the balances of each component of accumulated other comprehensive loss, net of related taxes, during the three and six months ended June 30, 2018 and 2017: 

	Unrealized losses on cash flow hedges			Items not yet recognized as a component of net periodic benefit cost (pension and other postretirement plans)			Total
Balance as of March 31, 2018	$	—		$	(6,247	)	$	(6,247	)
Current period change, excluding amounts reclassified from accumulated other comprehensive income	—			42			42
Amounts reclassified from accumulated other comprehensive income	—			85			85
Total change in accumulated other comprehensive income	—			127			127
Balance as of June 30, 2018	$	—		$	(6,120	)	$	(6,120	)
Balance as of March 31, 2017	$	(871	)	$	(7,141	)	$	(8,012	)
Current period change, excluding amounts reclassified from accumulated other comprehensive income	(115		)	335			220
Amounts reclassified from accumulated other comprehensive income	317			—			317
Total change in accumulated other comprehensive income	202			335			537
Balance as of June 30, 2017	$	(669	)	$	(6,806	)	$	(7,475	)

	Unrealized losses on cash flow hedges			Items not yet recognized as a component of net periodic benefit cost (pension and other postretirement plans)			Total
Balance as of December 31, 2017	$	(112	)	$	(6,350	)	$	(6,462	)
Current period change, excluding amounts reclassified from accumulated other comprehensive income	(69		)	61			(8		)
Amounts reclassified from accumulated other comprehensive income	181			169			350
Total change in accumulated other comprehensive income	112			230			342
Balance as of June 30, 2018	$	—		$	(6,120	)	$	(6,120	)
Balance as of December 31, 2016	$	(1,019	)	$	(7,141	)	$	(8,160	)
Current period change, excluding amounts reclassified from accumulated other comprehensive income	(200		)	335			135
Amounts reclassified from accumulated other comprehensive income	550			—			550
Total change in accumulated other comprehensive income	350			335			685
Balance as of June 30, 2017	(669		)	(6,806		)	(7,475		)

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OVERSEAS SHIPHOLDING GROUP, INC. AND SUBSIDIARIES

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS

The income tax expense allocated to unrealized gains on cash flow hedges for the three and six months ended June 30, 2018 was $0 and $69, respectively. These amounts reflected the current period change, excluding amounts reclassified from accumulated other comprehensive loss.

Note 12 — Leases

Charters-in

As of June 30, 2018, the Company had commitments to charter-in 10 vessels. All of the charters-in are accounted for as operating leases and all are bareboat charters. Lease expense relating to charters-in is included in charter hire expenses in the consolidated statements of operations. The base term for nine vessels expires in December 2019. The Company holds options for the charters-in that can be exercised for 1, 3 or 5 years with the 1 year option only usable once, while the 3 and 5 year options are available forever. The lease payments for the charters-in are fixed throughout the option periods and the options are on a vessel by vessel basis that can be exercised individually. The option on one of the Company's vessels has been extended until December 2025. For the remaining nine vessels, the Company is required to declare its intention under the options by December 11, 2018.

The future minimum commitments and related number of operating days under these operating leases are as follows:

At June 30, 2018	Amount		Operating Days
2018	$	46,081	1,840
2019	111,819		3,470
2020	9,168		366
2021	9,143		365
2022	9,143		365
Thereafter	22,846		912
Net minimum lease payments	$	208,200	7,318

The bareboat charters-in provide for the payment of profit share to the owners of the vessels calculated in accordance with the respective charter agreements. Because such amounts and the periods impacted are not reasonably estimable, they are not currently reflected in the table above. Due to reserve funding requirements and current rate forecasts, no profits are currently expected to be paid to the owners in respect of the charter term through December 31, 2019.

Charters-out

The future minimum revenues, before reduction for brokerage commissions and which include rent escalations, expected to be received on noncancelable time charters and certain contract of affreightments (“COAs”) for which minimum annual revenues can be reasonably estimated and the related revenue days (revenue days represent calendar days, less days that vessels are not available for employment due to repairs, drydock or lay-up) are as follows:

At June 30, 2018	Amount		Revenue  Days
2018	$	107,259	1,963
2019	132,426		2,090
2020	43,570		532
2021	26,624		324
2022	30,675		365
Thereafter	77,464		886
Net minimum lease receipts	$	418,018	6,160

Future minimum revenues do not include COAs for which minimum annual revenues cannot be reasonably estimated. Revenues from those COAs that are included in the table above, $11,394 (2018), $23,031 (2019) and $6,356 (2020), are based

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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

DOLLARS IN THOUSANDS, EXCEPT PER SHARE AMOUNTS

on minimum annual volumes of cargo to be loaded during the contract periods at a fixed price and do not contemplate early termination of the COAs as provided in the agreements. Amounts that would be due to the Company in the event of the cancellation of the COA contracts have not been reflected in the table above. Revenues from a time charter are not generally received when a vessel is off-hire, including time required for normal periodic maintenance of the vessel. In arriving at the minimum future charter revenues, an estimated time off-hire to perform periodic maintenance on each vessel has been deducted, although there is no assurance that such estimate will be reflective of the actual off-hire in the future.

Note 13 — Vessels

In June 2018, one of the Company's ATBs was berthed to the dock when a third-party ship transiting the channel hit the Company's ATB causing structural damage to the Company's ATB and damage to the dock. The cost of repairs are expected to be covered by existing insurance policies and the Company is seeking recovery of its lost earnings.

In July 2018, the Company signed binding contracts with Hyundai Mipo Dockyard Company Ltd. for the construction of two50,000 deadweight tons class product chemical tankers for anticipated delivery to the Company during the second half of 2019. The Company's annual commitments under the contracts are $15,000 in the remainder of 2018 and $60,000 in 2019, of which the majority is due when the vessels are accepted by the Company.

Additionally, in July 2018, the Company signed a binding contract with Gunderson Marine LLC for the construction of one, approximately 204,000 BBL, oil and chemical tank barge for anticipated delivery to the Company during the first half of 2020. The Company's annual commitments under the contract are $10,190 in the remainder of 2018, $35,665 in 2019 and $5,095 in 2020.

Note 14 — Contingencies

The Company’s policy for recording legal costs related to contingencies is to expense such legal costs as incurred.

Legal Proceedings Arising in the Ordinary Course of Business

The Company is a party, as plaintiff or defendant, to various suits in the ordinary course of business for monetary relief arising principally from personal injuries (including without limitation exposure to asbestos and other toxic materials), wrongful death, collision or other casualty and to claims arising under charter parties. A substantial majority of such personal injury, wrongful death, collision or other casualty claims against the Company are covered by insurance (subject to deductibles not material in amount). Each of the claims involves an amount which, in the opinion of management, are not expected to be material to the Company’s financial position, results of operations and cash flows.

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 OVERSEAS SHIPHOLDING GROUP, INC. AND SUBSIDIARIES

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

FORWARD-LOOKING STATEMENTS

This Quarterly Report on Form 10-Q, including this MD&A section, contains "forward-looking statements" within the meaning of the federal securities laws. These forward-looking statements include, among others, statements about our beliefs, plans, objectives, goals, expectations, estimates and intentions that are subject to significant risks and uncertainties and are subject to change based on various factors, many of which are beyond our control. The words "may," "could," "should," "would," "believe," "anticipate," "estimate," "expect," "intend," "plan," "target," "goal," and similar expressions are intended to identify forward-looking statements.

All forward-looking statements, by their nature, are subject to risks and uncertainties. Our actual future results may differ materially from those set forth in our forward-looking statements. Please see the section titled “Forward-Looking Statements” and Item 1A. Risk Factors of our 2017 Report on Form 10-K, as updated in our subsequent quarterly reports filed on Form 10-Q and in our other filings made from time to time with the SEC after the date of this report.

However, other factors besides those listed in our Quarterly Report or in our Annual Report also could adversely affect our results, and you should not consider any such list of factors to be a complete set of all potential risks or uncertainties. Such factors include, but are not limited to:

• the highly cyclical nature of OSG’s industry;

• the market value of vessels fluctuates significantly;

• an increase in the supply of Jones Act vessels without a commensurate increase in demand;

• changing economic, political and governmental conditions in the United States or abroad and general conditions in the oil and natural gas industry;

• changes in fuel prices;

• the adequacy of OSG’s insurance to cover its losses, including in connection with maritime accidents or spill events;

• constraints on capital availability;

• public health threats;

• acts of piracy, terrorist attacks and international hostilities and instability;

• the Company’s compliance with 46 U.S.C. sections 50501 and 55101 (commonly known as the “Jones Act”) and the heightened exposure to the Jones Act market fluctuations and reduced diversification following the spin-off from OSG on November 30, 2016 of International Seaways, Inc. (INSW), which owned or leased OSG’s fleet of International Flag vessels;

• the effect of the Company’s indebtedness on its ability to finance operations, pursue desirable business operations and successfully run its business in the future;

• the Company’s ability to generate sufficient cash to service its existing indebtedness and to comply with existing debt covenants, as well as the Company’s ability to refinance or repay existing indebtedness at or prior to maturity;

• changes in demand in specialized markets in which the Company currently trades;

• competition within the Company’s industry and OSG’s ability to compete effectively for charters;

• the Company’s ability to renew its time charters when they expire or to enter into new time charters, to replace its operating leases on favorable terms;

• the Company’s ability to realize benefits from its acquisitions or other strategic transactions;

• the loss of, or reduction in business by, the Company's largest customers;

• refusal of certain customers to use vessels of a certain age;

• the Company's significant operating leases could be replaced on less favorable terms or may not be replaced;

• changes in credit risk with respect to the Company’s counterparties on contracts or the failure of contract counterparties to meet their obligations;

• increasing operating costs, unexpected drydock costs or increasing capital expenses as the Company’s vessels age, including increases due to limited shipbuilder warranties of the consolidation of suppliers;

• unexpected drydock costs for the Company's vessels;

• the potential for technological innovation to reduce the value of the Company’s vessels and charter income derived therefrom;

• the impact of an interruption in or failure of the Company’s information technology and communication systems upon the Company’s ability to operate or a cybersecurity breach;

• work stoppages or other labor disruptions by the unionized employees of OSG or other companies in related industries or the impact of any potential liabilities resulting from withdrawal from participation in multiemployer plans;

• the Company’s ability to attract, retain and motivate key employees;

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 OVERSEAS SHIPHOLDING GROUP, INC. AND SUBSIDIARIES

• ineffective internal controls;

• the impact of a delay or disruption in implementing new technological and management systems;

• the impact of potential changes in U.S. tax laws;

• limitations on U.S. coastwise trade, or the waiver, modification or repeal of the Jones Act limitations, or changes in international trade agreements;

• government requisition of the Company’s vessels during a period of war or emergency;

• the Company’s compliance with complex laws, regulations and in particular, environmental laws and regulations, including those relating to the emission of greenhouse gases and ballast water treatment;

• the inability to clear oil majors’ risk assessment process;

• the impact of litigation, government inquiries and investigations;

• the arrest of OSG’s vessels by maritime claimants;

• the Company's U.S. federal income tax position in respect of certain credit agreement borrowings used by INSW is not free from doubt;

• the Company’s ability to use its net operating loss carryforwards;

• the market price of the Company's securities fluctuates significantly;

• the Company's ability to sell warrants may be limited and the exercise of outstanding warrants may result in substantial dilution;

• the Company's common stock is subject to restrictions on foreign ownership;

• OSG is a holding company and depends on the ability of its subsidiaries to distribute funds to it in order to satisfy its financial obligations or pay dividends;

• some provisions of Delaware law and the Company’s governing documents could influence its ability to effect a change of control; and

• securities analysts may not initiate coverage or continue to cover the Company’s securities.

The Company assumes no obligation to update or revise any forward looking statements. Forward looking statements in this Quarterly Report on Form 10-Q and written and oral forward looking statements attributable to the Company or its representatives after the date of this Quarterly Report on Form 10-Q are qualified in their entirety by the cautionary statement contained in this paragraph and in other reports hereafter filed by the Company with the SEC.

Business Overview

OSG is a publicly traded tanker company providing energy transportation services for crude oil and petroleum products in the U.S. Flag markets. OSG is a major operator of tankers and ATBs in the Jones Act industry. OSG’s 23-vessel U.S. Flag fleet consists of seven ATBs, two lightering ATBs, three shuttle tankers, nine MR tankers and two non-Jones Act MR tankers that participate in the U.S. Maritime Security Program (“MSP”). OSG is committed to setting high standards of excellence for its quality, safety and environmental programs. OSG is recognized as one of the world’s most customer-focused marine transportation companies and is headquartered in Tampa, FL. Our revenues are derived from time charter agreements for specific periods of time at fixed daily amounts, as well as from chartering-out vessels for specific voyages where typically we earn freight revenue at spot market rates.

The following is a discussion and analysis of our financial condition and results of operations for the three and six months ended June 30, 2018 and 2017. You should consider the foregoing when reviewing the condensed consolidated financial statements, including the notes thereto, and this discussion and analysis. This Quarterly Report on Form 10-Q includes industry data and forecasts that we have prepared based in part on information obtained from industry publications and surveys. Third-party industry publications, surveys and forecasts generally state that the information contained therein has been obtained from sources believed to be reliable. In addition, certain statements regarding our market position in this report are based on information derived from internal market studies and research reports. Unless we state otherwise, statements about the Company’s relative competitive position in this report are based on management's beliefs, internal studies and management's knowledge of industry trends. 

All dollar amounts are in thousands, except daily dollar amounts and per share amounts.

Operations and Oil Tanker Markets

Our revenues are highly sensitive to patterns of supply and demand for vessels of the size and design configurations owned and operated by us and the trades in which those vessels operate. Rates for the transportation of crude oil and refined petroleum products are determined by market forces such as the supply and demand for oil, the distance that cargoes must be transported and the number of vessels expected to be available at the time such cargoes need to be transported. In the Jones Act Trades within which the substantial majority of our vessels operate, demand factors for transportation are affected almost exclusively

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 OVERSEAS SHIPHOLDING GROUP, INC. AND SUBSIDIARIES

by supply and distribution decisions of oil producers, refiners and distributors based in the United States. Further, the demand for U.S. domestic oil shipments is significantly affected by the state of the U.S. and global economy, the level of imports into the U.S. from OPEC and other foreign producers, oil production in the United States, and the relative price differentials of U.S. produced crude oil and refined petroleum products as compared with comparable products sourced from or destined for foreign markets, including the cost of transportation on international flag vessels to or from those markets. The number of vessels is affected by newbuilding deliveries and by the removal of existing vessels from service, principally through storage, deletions, or conversions. Our revenues are also affected by the mix of charters between spot (voyage charter which includes short-term time charter) and long-term (time or bareboat charter).

We consider attaining the stability of cash flow offered by time charters to be a fundamental characteristic of the objectives of our chartering approach. As such, we seek, over time, to pursue an overall chartering strategy that covers the majority of available vessel operating days with medium-term charters or contracts of affreightment. Medium-term charters may not always be remunerative, nor prove achievable under certain market conditions. As such, during periods of uncertainty in our markets, more of our vessels could be exposed to the spot market, which is more volatile and less predictable. Because shipping revenues and voyage expenses are significantly affected by the mix between voyage charters and time charters, we manage our vessels based on time charter equivalent (“TCE”) revenues and TCE rates, which are non-GAAP measures. TCE revenues equal GAAP shipping revenues, less voyage expenses. TCE rates are determined by dividing TCE revenues by revenue days. These measures are used because management makes economic decisions based on anticipated TCE rates and evaluates financial performance based on TCE rates achieved.

Estimated TCE rates for Jones Act Product Carriers and large ATBs available for service in the spot market increased during the second quarter of 2018 compared to second quarter of 2017 for each class of vessel. The increase can be attributed to higher demand for coastwise crude oil transportation driven by the discount of domestic to international crude prices. In addition, the new construction phase of vessels is winding down and the supply of vessels are beginning to tighten through scrapping, lay ups and sales out of Jones Act service.

As of June 30, 2018, the industry’s entire Jones Act fleet of Product Carriers and large ATBs (defined as vessels having carrying capacities of between 140,000 barrels and 350,000 barrels, which excludes numerous tank barges below 140,000 barrel capacity and 11 much larger tankers dedicated exclusively to the Alaskan crude oil trade) consisted of 95 vessels, compared with 93 vessels as of June 30, 2017. There was one large ATB delivery and one tanker scrapped in the second quarter of 2018.

The industry’s firm Jones Act orderbook as of June 30, 2018 consisted of one large ATB with delivery scheduled in the third quarter of 2018. In July 2018, the Company signed a binding contract with Gunderson Marine LLC for the construction of one, approximately 204,000 BBL, oil and chemical tank barge for anticipated delivery to the Company during the first half of 2020, which will participate in the Jones Act trade.

Delaware Bay lightering volumes averaged 161,000 b/d in the the second quarter of 2018 compared with 132,000 b/d in the first quarter of 2018 and 174,000 b/d in the second quarter of 2017. The decrease primarily resulted from a customer performing refinery maintenance partially offset by another customer having increased refinery utilization.

Critical Accounting Policies

The Company’s consolidated financial statements are prepared in accordance with accounting principles generally accepted in the United States, which require the Company to make estimates in the application of its accounting policies based on the best assumptions, judgments and opinions of management. For a description of all of the Company’s material accounting policies, see Note 3, “Summary of Significant Accounting Policies,” to the Company’s consolidated financial statements included in the Company’s Annual Report on Form 10-K for 2017. 

The Company adopted ASU No. 2014-09, Revenue from Contracts with Customers (ASC 606), effective January 1, 2018. Under the new standard, the Company recognizes revenue from voyage charters ratably over the estimated length of each voyage, calculated on a load-to-discharge basis. Under existing U.S. GAAP in 2017 and prior, voyage revenues and expenses were recognized ratably over the estimated length of each voyage, calculated on a discharge-to-discharge basis. See Note 4, “Revenue Recognition,” for additional accounting policy and transition disclosures.

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 OVERSEAS SHIPHOLDING GROUP, INC. AND SUBSIDIARIES

Results of Vessel Operations

During the three and six months ended June 30, 2018, shipping revenues decreased by $858 and $7,945 or 0.9% and 3.9%, respectively, compared to the same period in 2017. The decrease primarily resulted from weakening market conditions, reduced charter rates as well as two fewer vessels in operation during the second quarter 2018 compared to same period in 2017.

Reconciliation of TCE revenues, a non-GAAP measure, to shipping revenues as reported in the consolidated statements of operations follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
Time charter equivalent revenues	$	85,965	$	91,076	$	174,742	$	193,400
Add: Voyage expenses	9,402		5,149		21,654		10,941
Shipping revenues	$	95,367	$	96,225	$	196,396	$	204,341

The following tables provide a breakdown of TCE rates achieved for the three and six months ended June 30, 2018 and 2017, between spot and fixed earnings and the related revenue days.

	2018				2017
Three Months Ended June 30,	Spot Earnings		Fixed Earnings		Spot Earnings		Fixed Earnings
Jones Act Handysize Product Carriers:
Average rate	$	32,180	$	60,953	$	18,288	$	63,796
Revenue days	282		795		173		900
Non-Jones Act Handysize Product Carriers:
Average rate	$	32,493	$	—	$	28,169	$	12,836
Revenue days	163		—		91		91
ATBs:
Average rate	$	20,679	$	23,629	$	7,234	$	26,047
Revenue days	268		255		202		488
Lightering:
Average rate	$	63,999	$	—	$	69,183	$	—
Revenue days	182		—		182		—

	2018				2017
Six Months Ended June 30,	Spot Earnings		Fixed Earnings		Spot Earnings		Fixed Earnings
Jones Act Handysize Product Carriers:
Average rate	$	37,109	$	62,852	$	26,361	$	63,421
Revenue days	619		1,515		245		1,889
Non-Jones Act Handysize Product Carriers:
Average rate	$	34,939	$	—	$	30,353	$	13,997
Revenue days	342		—		203		159
ATBs:
Average rate	$	16,508	$	23,300	$	11,856	27,802
Revenue days	530		516		382		1,012
Lightering:
Average rate	$	67,372	$	—	$	72,137	$	—
Revenue days	355		—		362		—

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 OVERSEAS SHIPHOLDING GROUP, INC. AND SUBSIDIARIES

During the second quarter of 2018, TCE revenues decreased by $5,111, or 5.6%, to $85,965 from $91,076 in the second quarter of 2017. The total number of revenue days decreased from 2,127 days in 2017 to 1,945 days in 2018. This decrease was primarily due to the reduction of two vessels in operation in the second quarter 2018 compared to second quarter 2017.

Vessel expenses increased 3.2%, or $1,057, to $33,656 in the second quarter of 2018 from $32,599 in the second quarter of 2017 primarily due to an increase in repair costs. Depreciation and amortization decreased by $2,660 to $12,426 in the second quarter of 2018 from $15,086 in the second quarter of 2017 primarily resulting from impairment charges recorded in prior years which reduced the carrying value and related depreciation expense of the rebuilt Jones Act ATBs that operate in the U.S. Gulf coastwise trade.

During the first six months of 2018, TCE revenues decreased by $18,658, or 9.6%, to $174,742 from $193,400 in the first six months of 2017. This decrease is due to the reduction of two vessels in operation and a larger proportion of our fleet being traded in the spot markets at effective rates lower than the time charter they were previously earning. Also, the total number of revenue days decreased from 4,252 days in 2017 to 3,877 days in 2018, which primarily related to the reduction of two vessels in operation.

Vessel expenses decreased 1.6% or $1,083 to $67,160 for the six months ended June 30, 2018 from $68,243 for the same period in 2017 primarily due to cost reductions during 2018 as well as two fewer vessels in operation during 2018. Depreciation and amortization decreased by $6,913 to $24,798 for the six months ended June 30, 2018 from $31,711 for the same period in 2017 primarily resulting from impairment charges recorded in prior years which reduced the carrying value and related depreciation expense of the rebuilt Jones Act ATBs that operate in the U.S. Gulf coastwise trade.

Our two reflagged U.S. Flag Product Carriers participate in the U.S. Maritime Security Program (the “Program”), which ensures that militarily useful U.S. Flag vessels are available to the U.S. Department of Defense in the event of war or national emergency. We receive an annual subsidy, subject in each case to annual congressional appropriations, which is intended to offset the increased cost incurred by such vessels from operating under the U.S. Flag. For fiscal year 2018, we expect to receive $5,000 for each vessel. This funding level is expected to continue through 2020, and increase to $5,200 beginning in 2021, subject to congressional funding. During fiscal year 2017, we received $5,400 and $4,500 annual subsidy for each vessel, respectively. We do not receive a subsidy for any days for which either of the two vessels operate under a time charter to a U.S. government agency.

In June 2018, one of the Company's ATBs was berthed to the dock when a third-party ship transiting the channel hit the Company's ATB causing structural damage to the Company's ATB and damage to the dock. The cost of repairs are expected to be covered by existing insurance policies and the Company is seeking recovery of its lost earnings.

General and Administrative Expenses

During the second quarter of 2018, general and administrative expenses increased by $396 to $6,586 from $6,190 in the second quarter of 2017. This increase was primarily driven by higher compensation and benefit costs as well as an increase in legal and consulting fees.

During the six months ended June 30, 2018, general and administrative expenses decreased by $915 to $13,369 from $14,284 in the first six months of 2017. This decrease was primarily driven by lower IT related costs.

Interest Expense

Interest expense was $7,497 and $15,573 for the three and six months ended June 30, 2018 compared with $9,445 and $18,802 for the three and six months ended June 30, 2017. The decrease in interest expense was primarily associated with the impact of the prepayments of $75,166 during the six months ended June 30, 2018 for our OBS Term Loan and our redemption of the 8.125% Senior Notes.

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Income Taxes

For the three months ended June 30, 2018 and 2017, we recorded income tax provisions of $362 and $1,593, respectively, which represented effective tax rates of 11% and 33%, respectively. For the six months ended June 30, 2018 and 2017, we recorded income tax provisions of $1,564 and $5,162, respectively, which represented effective tax rates of 19% and 37%, respectively. The decrease in the effective tax rate for the 2018 period compared to the 2017 period was substantially due to the reduction of the statutory federal rate from 35% to 21% with the enactment of the Tax Cuts and Jobs Act (“TCJA”) on December 22, 2017. We recorded reasonable estimates of the impact of the TCJA on our deferred tax balances as provisional estimates at December 31, 2017 in accordance with SEC Staff Accounting Bulletin No. 118. There has been no activity through the second quarter that has required us to refine our estimate. We will continue to analyze additional information and guidance related to the TCJA as supplemental legislation, regulatory guidance or evolving technical interpretations become available. We continue to expect to complete our analysis no later than the fourth quarter of 2018.

The Internal Revenue Service (“IRS”) completed its examination of the Company's tax returns for fiscal years 2012 through 2015 and received notification that the Joint Committee on Taxation completed their review of the report on July 2, 2018. As a result of the closure of the examination in July, it is anticipated the Company will reduce its unrecognized tax benefits for those previously reserved positions up to $36,000 and recognize a tax benefit of up to $22,000 within the third quarter. Refer to Note 8 - “Taxes,” for further details.

Liquidity and Sources of Capital

Our business is capital intensive. Our ability to successfully implement our strategy is dependent on the continued availability of capital on attractive terms. In addition, our ability to successfully operate our business to meet near-term and long-term debt repayment obligations is dependent on maintaining sufficient liquidity.

Liquidity

Working capital at June 30, 2018 was approximately $132,000 compared with approximately $145,000 at December 31, 2017. The decrease in working capital is primarily related to the mandatory prepayment of $28,166 and an optional prepayment of $47,000 the Company made on its OBS Term Loan. The decrease was offset by increases to working capital as a result of timing of receivable collections and accounts payable payments made at June 30, 2018 compared to December 31, 2017, as well as, the Company generated cash flow from operations during the current year.

As of June 30, 2018, we had total liquidity on a consolidated basis of $206,224, comprised of $131,224 of cash (including $250 of restricted cash) and $75,000 of undrawn revolver capacity. We manage our cash in accordance with our intercompany cash management system subject to the requirements of our Exit Financing Facilities. Our cash and cash equivalents, as well as our restricted cash balances, generally exceed Federal Deposit Insurance Corporation insurance limits. We place our cash, cash equivalents and restricted cash in what we believe to be credit-worthy financial institutions. In addition, certain of our money market accounts invest in U.S. Treasury securities or other obligations issued or guaranteed by the U.S. government, or its agencies.

As of June 30, 2018, we had total debt outstanding (net of original issue discount and deferred financing costs) of $376,660 and a total debt to total capitalization of 54.0%, compared to 58.7% at December 31, 2017.

Restricted cash as of June 30, 2018 is related to the Unsecured Senior Notes.

The OBS Term Loan, maturing on August 5, 2019, has an outstanding principal balance of $380,000. The Company began evaluating alternatives in early 2018 to refinance the OBS Term Loan, including a broad assessment of interest rates and other prevailing conditions in the capital markets. Based on the Company's evaluations to date and current market conditions, the Company believes that it is probable that it will refinance its OBS Term Loan before it becomes due. The Company is actively engaged in the process of obtaining replacement financing.

Sources, Uses and Management of Capital

We generate significant cash flows through our complementary mix of time charters, voyage charters and contracts of affreightment. Net cash provided by operating activities in the six months ended June 30, 2018 was $40,502. In addition to operating cash flows, our other sources of funds may include additional borrowings as permitted under the Exit Financing Facilities, proceeds from issuances of equity securities and proceeds from the opportunistic sales of our vessels. In the past we

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 OVERSEAS SHIPHOLDING GROUP, INC. AND SUBSIDIARIES

also have been able to obtain funds from the issuance of long-term debt securities. We expect to continue to engage in similar transactions, from time to time, consistent with achieving the objectives of our business plan.

We use capital to fund working capital requirements, maintain the quality of our vessels, comply with U.S. and international shipping standards and environmental laws and regulations, repay or repurchase our outstanding debt and to repurchase our common stock from time to time. The OBS Term Loan requires that a portion of Excess Cash Flow (as defined in the term loan agreement) be used to prepay the outstanding principal balance of such loan. To the extent permitted under the terms of the Exit Financing Facilities we may also use cash generated by operations to finance capital expenditures to modernize and grow our fleet. 

During the six months ended June 30, 2018, the Company made a mandatory prepayment of $28,166 and an optional prepayment of $47,000 on its OBS Term Loan. The aggregate net loss of $981 realized on these transactions during the six months ended June 30, 2018 reflected write-off of unamortized original issue discount and deferred financing costs associated with the principal reductions and is in included in other income/(expense) in the consolidated statements of operations.

The Parent Company’s ability to receive cash dividends, loans or advances from OBS is restricted under the OBS Term Loan. The Available Amount for additional cash dividends, loans or advances to the Parent Company permitted under the OBS Term Loan was $71,758 as of June 30, 2018.

Future Commitments

In July 2018, the Company signed binding contracts with Hyundai Mipo Dockyard Company Ltd. for the construction of two50,000 deadweight tons class product chemical tankers for anticipated delivery to the Company during the second half of 2019. The Company's annual commitments under the contracts are $15,000 in the remainder of 2018 and $60,000 in 2019, of which the majority is due when the vessels are accepted by the Company.

Additionally in July 2018, the Company signed a binding contract with Gunderson Marine LLC for the construction of one, approximately 204,000 BBL, oil and chemical tank barge for anticipated delivery to the Company during the first half of 2020. The Company's annual commitments under the contract are $10,190 in the remainder of 2018, $35,665 in 2019 and $5,095 in 2020.

Off-Balance Sheet Arrangements

INSW entered into guarantee arrangements in connection with the spin-off with OSG on November 30, 2016, in favor of Qatar Liquefied Gas Company Limited (2) (“LNG Charterer”) and relating to certain LNG Tanker Time Charter Party Agreements with the LNG Charterer and each of Overseas LNG H1 Corporation, Overseas LNG H2 Corporation, Overseas LNG S1 Corporation and Overseas LNG S2 Corporation (such agreements, the “LNG Charter Party Agreements,” and such guarantees, collectively, the “LNG Performance Guarantees”).

OSG continues to provide a guarantee in favor of the LNG Charterer relating to the LNG Charter Party Agreements (such guarantees, the ‘‘OSG LNG Performance Guarantee’’). INSW will indemnify OSG for liabilities arising from the OSG LNG Performance Guarantees pursuant to the terms of the Separation and Distribution Agreement. The maximum potential liability associated with this guarantee is not estimable because obligations are only based on future non-performance events of charter arrangements. In connection with the OSG LNG Performance Guarantees, INSW will pay a $135 fee per year to OSG, which is subject to escalation after 2018 and will be terminated if OSG ceases to provide the OSG LNG Performance Guarantee.

Item 3: Quantitative and Qualitative Disclosures about Market Risk

During the six months ended June 30, 2018, there were no material changes to our disclosures about market risk. For an in-depth discussion of our market risks, see “Quantitative and Qualitative Disclosures about Market Risk” in our Annual Report on Form 10-K for the year ended December 31, 2017. 

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Item 4: Controls and Procedures

Evaluation of Disclosure Controls and Procedures

As of the end of the period covered by this Quarterly Report on Form 10-Q, an evaluation was performed under the supervision and with the participation of the Company’s management, including the Chief Executive Officer (“CEO”) and Chief Financial Officer (“CFO”), of the effectiveness of the design and operation of the Company’s disclosure controls and procedures as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act. Based on that evaluation, the Company’s management, including the CEO and CFO, concluded that the Company’s current disclosure controls and procedures were effective as of June 30, 2018 to ensure that information required to be disclosed by the Company in the reports the Company files or submits under the Exchange Act is (i) recorded, processed, summarized and reported, within the time periods specified in the Securities and Exchange Commission’s rules and forms and (ii) accumulated and communicated to the Company’s management, including the CEO and CFO, as appropriate to allow timely decisions regarding required disclosure.

Changes in Internal Control over Financial Reporting

There was no change in the Company’s internal control over financial reporting during the six months ended June 30, 2018 that has materially affected, or is reasonably likely to materially affect, the Company’s internal control over financial reporting. 

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 OVERSEAS SHIPHOLDING GROUP, INC. AND SUBSIDIARIES

PART II – OTHER INFORMATION

Item 1.Legal Proceedings

We are party to lawsuits arising out of the normal course of business. In management's opinion, there is no known pending litigation, the outcome of which would, individually or in the aggregate, have a material effect on our consolidated results of operations, financial position or cash flows.

Item 1A.Risk Factors

In addition to the other information set forth in this Quarterly Report, you should carefully consider the factors discussed in Part I, Item 1A. “Risk Factors” in our 2017 Form 10-K, and as may be updated in our subsequent quarterly reports. The risks described in our 2017 Form 10-K are not the only risks facing us. Additional risks and uncertainties not currently known to us or that we currently deem to be immaterial also may materially adversely affect our business, financial condition or operating results. There have been no material changes in our risk factors from those disclosed in our 2017 Form 10-K.

Item 2.Unregistered Sales of Equity Securities and Use of Proceeds

During the three months ended June 30, 2018, the Company did not repurchase any shares of Class A common stock.

Item 3.         Defaults upon senior securities

None. 

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 OVERSEAS SHIPHOLDING GROUP, INC. AND SUBSIDIARIES

Item 4.         Mine Safety Disclosures

Not applicable.

Item 5.         Other information

None.

Item 6.         Exhibits

31.1	Certification of Chief Executive Officer pursuant to Rule 13a-14(a) and 15d-14(a), as amended.
31.2	Certification of Chief Financial Officer pursuant to Rule 13a-14(a) and 15d-14(a), as amended.
32	Certification of Chief Executive Officer and Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
EX-101.INS	XBRL Instance Document
EX-101.SCH	XBRL Taxonomy Extension Schema
EX-101.CAL	XBRL Taxonomy Extension Calculation Linkbase
EX-101.DEF	XBRL Taxonomy Extension Definition Linkbase
EX-101.LAB	XBRL Taxonomy Extension Label Linkbase
EX-101.PRE	XBRL Taxonomy Extension Presentation Linkbase

31

SIGNATURES 

Pursuant to the requirements 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.

	OVERSEAS SHIPHOLDING GROUP, INC.
	(Registrant)
Date: August 9, 2018	/s/ Samuel H. Norton
	Samuel H. Norton
	Chief Executive Officer
Date: August 9, 2018	/s/ Richard Trueblood
	Richard Trueblood
	Chief Financial Officer
	(Mr. Trueblood is the Principal Financial Officer and has been duly authorized to sign on behalf of the Registrant)

32

EX-31.1

Exhibit 31.1

OVERSEAS SHIPHOLDING GROUP, INC. AND SUBSIDIARIES

CERTIFICATION OF CHIEF EXECUTIVE OFFICER

PURSUANT TO RULE 13a-14(a) AND 15d-14(a), AS AMENDED

I, Samuel H. Norton, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Overseas Shipholding Group, 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 quarterly 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 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 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.

Date: August 9, 2018	/s/ Samuel H. Norton
	Samuel H. Norton
	Chief Executive Officer

EX-31.2

Exhibit 31.2

OVERSEAS SHIPHOLDING GROUP, INC. AND SUBSIDIARIES

CERTIFICATION OF CHIEF FINANCIAL OFFICER

PURSUANT TO RULE 13a-14(a) AND 15d-14(a), AS AMENDED

I, Richard Trueblood, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Overseas Shipholding Group, 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 quarterly 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 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 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.

Date: August 9, 2018	/s/ Richard Trueblood
	Richard Trueblood
	Chief Financial Officer

EX-32

Exhibit 32

OVERSEAS SHIPHOLDING GROUP, INC. AND SUBSIDIARIES

CERTIFICATION OF CHIEF EXECUTIVE OFFICER

AND CHIEF FINANCIAL OFFICER PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT 0F 2002

Each of the undersigned, the Chief Executive Officer and the Chief Financial Officer of Overseas Shipholding Group, Inc. (the “Company”), hereby certifies, to the best of his knowledge and belief, that the Form 10-Q of the Company for the quarterly period ended June 30, 2018 (the “Periodic Report”) accompanying this certification fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)) and that the information contained in the Periodic Report fairly presents, in all material respects, the financial condition and results of operations of the Company. This certification is provided solely for purposes of complying with the provisions of Section 906 of the Sarbanes-Oxley Act and is not intended to be used for any other purpose.

Date: August 9, 2018	/s/ Samuel H. Norton
	Samuel H. Norton
	Chief Executive Officer
Date: August 9, 2018	/s/ Richard Trueblood
	Richard Trueblood
	Chief Financial Officer

XML

Document And Entity Information - shares	6 Months Ended
	Jun. 30, 2018	Aug. 03, 2018
Document And Entity Information [Abstract]
Entity Registrant Name	OVERSEAS SHIPHOLDING GROUP INC
Entity Central Index Key	0000075208
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		84,562,788
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2018
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2018

XML

CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Current Assets:
Cash and cash equivalents	$ 130,974	$ 165,994
Restricted cash	59	58
Voyage receivables, including unbilled of $6,135 and $9,919	18,257	24,209
Income tax receivable	835	1,122
Receivable from INSW	34	372
Other receivables	1,471	2,184
Inventories, prepaid expenses and other current assets	14,854	13,356
Total Current Assets	166,484	207,295
Vessels and other property, less accumulated depreciation	615,530	632,509
Deferred drydock expenditures, net	24,062	23,914
Total Vessels, Other Property and Deferred Drydock	639,592	656,423
Restricted cash - non current	191	217
Investments in and advances to affiliated companies	38	3,785
Intangible assets, less accumulated amortization	38,717	41,017
Other assets	22,539	23,150
Total Assets	867,561	931,887
Current Liabilities:
Accounts payable, accrued expenses and other current liabilities	34,643	34,371
Current installments of long-term debt	0	28,160
Total Current Liabilities	34,643	62,531
Reserve for uncertain tax positions	3,254	3,205
Long-term debt	376,660	420,776
Deferred income taxes, net	84,757	83,671
Other liabilities	47,415	48,466
Total Liabilities	546,729	618,649
Equity:
Common stock - Class A ($0.01 par value; 166,666,666 shares authorized; 80,713,679 and 78,277,669 shares issued and outstanding	807	783
Paid-in additional capital	586,414	584,675
Accumulated deficit	(260,269)	(265,758)
Stockholders Equity Subtotal	326,952	319,700
Accumulated other comprehensive loss	(6,120)	(6,462)
Total Equity	320,832	313,238
Total Liabilities and Equity	$ 867,561	$ 931,887

XML

CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Statement of Financial Position [Abstract]
Unbilled contracts receivable	$ 6,135	$ 9,919
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	166,666,666	166,666,666
Common stock, shares issued (in shares)	80,713,679	78,277,669
Common stock, shares outstanding (in shares)	80,713,679	78,277,669

XML

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Shipping Revenues:
Time and bareboat charter revenues	$ 54,543	$ 72,116	$ 108,437	$ 151,883
Voyage charter revenues	40,824	24,109	87,959	52,458
Shipping revenues	95,367	96,225	196,396	204,341
Operating Expenses:
Voyage expenses	9,402	5,149	21,654	10,941
Vessel expenses	33,656	32,599	67,160	68,243
Charter hire expenses	22,768	22,856	45,315	45,433
Depreciation and amortization	12,426	15,086	24,798	31,711
General and administrative	6,586	6,190	13,369	14,284
Total operating expenses	84,838	81,880	172,296	170,612
Operating income	10,529	14,345	24,100	33,729
Other income/(expense)	385	(87)	(246)	(880)
Income before interest expense, reorganization items and income taxes	10,914	14,258	23,854	32,849
Interest expense	(7,497)	(9,445)	(15,573)	(18,802)
Income before reorganization items and income taxes	3,417	4,813	8,281	14,047
Reorganization items, net	0	(9)	0	(244)
Income before income taxes	3,417	4,804	8,281	13,803
Income tax provision	(362)	(1,593)	(1,564)	(5,162)
Net income	$ 3,055	$ 3,211	$ 6,717	$ 8,641
Weighted Average Number of Common Shares Outstanding:
Basic - Class A (in shares)	88,367,302	87,769,483	88,237,093	88,309,231
Diluted - Class A (in shares)	89,198,996	87,964,755	88,910,518	88,542,779
Per Share Amounts:
Basic and diluted net income - Class A (in dollars per share)	$ 0.03	$ 0.04	$ 0.08	$ 0.10

XML

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 3,055	$ 3,211	$ 6,717	$ 8,641
Other comprehensive income, net of tax:
Net change in unrealized gains on cash flow hedges	0	202	112	350
Defined benefit pension and other postretirement benefit plans:
Net change in unrecognized prior service costs	(39)	0	(70)	0
Net change in unrecognized actuarial losses	166	335	300	335
Other comprehensive income	127	537	342	685
Comprehensive income	$ 3,182	$ 3,748	$ 7,059	$ 9,326

XML

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Cash Flows from Operating Activities:
Net income	$ 6,717	$ 8,641
Items included in net income not affecting cash flows:
Depreciation and amortization	24,798	31,711
Amortization of debt discount and other deferred financing costs	2,099	2,653
Compensation relating to restricted stock awards and stock option grants	1,497	1,699
Deferred income tax provision	1,057	2,121
Reorganization items, non-cash	0	85
Other – net	1,110	1,481
Loss on extinguishment of debt, net	981	1,189
Distributed earnings of affiliated companies	3,747	3,656
Payments for drydocking	(4,107)	(3,305)
SEC, Bankruptcy and IRS claim payments	0	(5,000)
Changes in operating assets and liabilities	2,603	(20,273)
Net cash provided by operating activities	40,502	24,658
Cash Flows from Investing Activities:
Expenditures for other property	(22)	(11)
Net cash used in investing activities	(22)	(11)
Cash Flows from Financing Activities:
Payments on debt	(28,166)	0
Extinguishment of debt	(47,000)	(20,008)
Tax withholding on share-based awards	(359)	(1,062)
Net cash used in financing activities	(75,525)	(21,070)
Net (decrease)/increase in cash, cash equivalents and restricted cash (Note 3)	(35,045)	3,577
Cash, cash equivalents and restricted cash at beginning of period (Note 3)	166,269	206,933
Cash, cash equivalents and restricted cash at end of period (Note 3)	$ 131,224	$ 210,510

XML

CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (UNAUDITED) - USD ($) $ in Thousands	Total	Class A Warrant	Common Stock		Paid-in Additional Capital		Accumulated Deficit	Accumulated Other Comprehensive Loss
Balance, beginning at Dec. 31, 2016								$ (8,160)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 8,641
Other comprehensive income	685
Balance, ending at Jun. 30, 2017								(7,475)
Balance, beginning at Mar. 31, 2017								(8,012)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	3,211
Other comprehensive income	537
Balance, ending at Jun. 30, 2017								(7,475)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Adoption of accounting standard (Note 4)	$ (1,228)						$ (1,228)
Common stock, par value (in dollars per share)	$ 0.01
Common stock, shares authorized (in shares)	166,666,666
Common stock, shares outstanding (in shares)	78,277,669
Balance, beginning at Dec. 31, 2017	$ 313,238		$ 783	[1]	$ 584,675	[2]	(265,758)	(6,462)	[3]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	6,717						6,717
Other comprehensive income	342							342	[3]
Forfeitures, cancellations, issuance and vesting of restricted stock awards, net	(359)		7	[1]	(366)	[2]
Compensation related to Class A options granted and restricted stock awards	2,122				2,122	[2]
Conversion of Class A warrants to common stock	0		17		(17)
Balance, ending at Jun. 30, 2018	320,832		807	[1]	586,414	[2]	(260,269)	(6,120)	[3]
Balance, beginning at Mar. 31, 2018								(6,247)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	3,055
Other comprehensive income	127
Balance, ending at Jun. 30, 2018	$ 320,832		$ 807	[1]	$ 586,414	[2]	$ (260,269)	$ (6,120)	[3]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock, par value (in dollars per share)	$ 0.01
Common stock, shares authorized (in shares)	166,666,666
Common stock, shares outstanding (in shares)	80,713,679
Warrants outstanding (in shares)		41,165,789

[1] Par value $0.01 per share; 166,666,666 Class A shares authorized; 80,713,679 Class A shares outstanding as of June 30, 2018.

[2] Includes 41,165,789 outstanding Class A warrants as of June 30, 2018.

[3] Amounts are net of tax.

XML

Basis of Presentation

6 Months Ended

Jun. 30, 2018

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation

Basis of Presentation

The accompanying unaudited condensed consolidated financial statements include the accounts of Overseas Shipholding Group, Inc., a Delaware corporation (the “Parent Company”), and its wholly owned subsidiaries (collectively, the “Company” or “OSG”, “we”, “us” or “our”). The Company owns and operates a fleet of oceangoing vessels engaged primarily in the transportation of crude oil and refined petroleum products in the U.S. Flag trades. The Company manages the operations of its fleet through its wholly owned subsidiary, OSG Bulk Ships, Inc. (“OBS”), a New York corporation.

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with generally accepted accounting principles for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. They do not include all of the information and notes required by generally accepted accounting principles in the United States. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair statement of the results have been included. Operating results for the three and six months ended June 30, 2018, are not necessarily indicative of the results that may be expected for the year ending December 31, 2018. 

The condensed consolidated balance sheet as of December 31, 2017 has been derived from the audited financial statements at that date but does not include all of the information and notes required by generally accepted accounting principles in the United States for complete financial statements. For further information, refer to the consolidated financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2017 (“Form 10-K”).

XML

Chapter 11 Filing and Emergence from Bankruptcy

6 Months Ended

Jun. 30, 2018

CHAPTER 11 FILING & EMERGENCE FROM BANKRUPTCY [Abstract]

Chapter 11 Filing and Emergence from Bankruptcy

Chapter 11 Filing and Emergence from Bankruptcy

In October 2012, the Company disclosed that its Audit Committee, on the recommendation of management, concluded that the Company’s previously issued financial statements for at least the three years ended December 31, 2011 and associated interim periods, and for the fiscal quarters ended March 31, 2012 and June 30, 2012, should no longer be relied upon. Shortly thereafter several putative class action suits were filed in the United States District Court for the Southern District of New York against the Company. Also named as defendants were its then President and Chief Executive Officer, its then Chief Financial Officer, its then current and certain former members of its Board of the Directors, and certain Company representatives.

On November 14, 2012 (the “Petition Date”), the Parent Company and 180 of its subsidiaries filed voluntary petitions for reorganization under Chapter 11 of the U.S. Bankruptcy Code in the U.S. Bankruptcy Court for the District of Delaware (the “Bankruptcy Court”). On August 5, 2014, a plan of reorganization (the “Equity Plan”) became effective and OSG emerged from bankruptcy.

On January 23, 2017, the SEC commenced an administrative proceeding, with the Company’s consent, that fully resolved an SEC investigation that was initiated in connection with the Company’s earnings restatement announced in 2012. The Company neither admitted nor denied the SEC’s allegations that the Company violated certain provisions of the Securities Act, the Exchange Act and related rules. After receiving Bankruptcy Court approval, the Company paid a $5,000 civil penalty relating to the investigation in February 2017. The settlement with the SEC does not require any further changes to the Company’s historical financial statements. Any indemnification or contribution claims by officers or directors of the Company that could be asserted in connection with the SEC’s investigation have been released or otherwise resolved pursuant to the Equity Plan and order of the Bankruptcy Court.

On February 10, 2017, pursuant to a final decree and order of the Bankruptcy Court, OSG’s one remaining case, as the Parent Company, was closed. 

Reorganization items, net of $9 and $244 for the three and six months ended June 30, 2017, respectively, represent amounts incurred subsequent to the Petition Date as a direct result of the filing of our Chapter 11 cases and are related to trustee and professional fees.

XML

Recently Adopted and Issued Accounting Standards

6 Months Ended

Jun. 30, 2018

Accounting Policies [Abstract]

Recently Adopted and Issued Accounting Standards

Recently Adopted and Issued Accounting Standards

Recently Adopted Accounting Standards

In May 2017, the FASB issued ASU 2017-09, Compensation—Stock Compensation (ASC 718), Scope of Modification Accounting,which provides guidance in regards to a change to the terms or conditions of a share-based payment award. An entity is required to account for the effects of a modification unless all the following are met: (1) the fair value of the modified award is the same as the fair value of the original award immediately before the original award is modified; (2) the vesting conditions of the modified award are the same as the vesting conditions of the original award immediately before the original award is modified; (3) the classification of the modified award as an equity instrument or a liability instrument is the same as the classification of the original award immediately before the original award is modified. The guidance is to be applied prospectively to an award modified on or after the adoption date. The standard is effective for annual periods beginning after December 15, 2017 and interim periods within that reporting period. The adoption of this accounting policy had no impact on the Company’s consolidated financial statements since there were no stock award modifications during the six months ended June 30, 2018.

In March 2017, the FASB issued ASU 2017-07, Compensation — RetirementBenefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost, that will change how employers that sponsor defined benefit pension and/or other postretirement benefit plans present the net periodic benefit cost in the income statement. Under ASU 2017-07, employers will present the service cost component of net periodic benefit cost in the same income statement line item(s) as other employee compensation costs arising from services rendered during the period. Only the service cost component will be eligible for capitalization in assets. Additionally, employers will present the other components of the net periodic benefit cost separately from the line item(s) that includes the service cost and outside of any subtotal of operating income, if one is presented. These components will not be eligible for capitalization in assets. The guidance is effective for interim and annual periods beginning after December 15, 2017. This standard must be applied retrospectively to all periods presented. The Company retrospectively adopted this standard effective January 1, 2018. The amortization of actuarial (gain)/loss and amortization of prior service credits have been reclassified from vessel expenses and general and administrative expenses to other expense in the Company's consolidated statements of operations.

The effect of the retrospective presentation change related to the net periodic cost of the Company's domestic pension and postretirement benefit plans on its consolidated statements of operations was as follows:

	Six Months Ended June 30, 2017
($ in thousands)	As Previously Reported		Impact of Adoption			As Adjusted
Vessel expenses	$	68,173	$	70		$	68,243
General and administrative	14,604		(320		)	14,284
Total Operating Expenses	170,862		(250		)	170,612
Operating income	33,479		250			33,729
Other expense	630		250			880

In November 2016, the FASB issued ASU No. 2016-18, Statement of Cash Flows (ASC 230): Restricted Cash, which requires that amounts generally described as restricted cash and restricted cash equivalents be included with cash and cash equivalents when reconciling the beginning-of-period and end-of-period total amounts shown on the statement of cash flows. The standard is effective for annual periods beginning after December 15, 2017 and interim periods within that reporting period. This standard must be applied retrospectively to all periods presented. The Company adopted this standard effective January 1, 2018. The prior period has been adjusted to conform to current period presentation, which resulted in a decrease of $9,909 in net cash provided by investing activities for the six months ended June 30, 2017, related to changes in restricted cash amounts.

In October 2016, the FASB issued ASU No. 2016-16, Income Taxes (ASC 740): Intra-Entity Transfers of Assets Other Than Inventory, amending the accounting for income taxes. Under current guidance the recognition of current and deferred income taxes for an intra-entity asset transfer is prohibited until the asset has been sold to an outside party. The amended guidance eliminates the prohibition against immediate recognition of current and deferred income tax amounts associated with intra entity transfers of assets other than inventory. This guidance is effective for interim and annual periods beginning after December 15, 2017. The requirements of the amended guidance should be applied on a modified retrospective basis through a cumulative-effect adjustment directly to retained earnings as of the beginning of the period of adoption. The Company adopted this standard effective January 1, 2018. The adoption of the standard did not have any impact to the Company's consolidated financial statements.

In August 2016, the FASB issued ASU 2016-15, Classification of Certain Cash Receipts and Cash Payments (ASC 230), which amends the guidance in ASC 230 on the classification of certain cash receipts and payments in the statement of cash flows. The primary purpose of the ASU is to reduce the diversity in practice that has resulted from the lack of consistent principles on this topic with respect to (1) debt prepayment or debt extinguishment costs; (2) settlement of zero-coupon debt; (3) contingent consideration payments made after a business combination; (4) proceeds from the settlement of insurance claims; (5) proceeds from the settlement of corporate-owned life insurance policies; (6) distributions received from equity method investees; (7) beneficial interests in securitization transactions; and (8) separately identifiable cash flows and application of the predominance principle. The standard is effective for interim and annual periods beginning after December 31, 2017. The guidance requires application using a retrospective transition method. The Company adopted this standard effective January 1, 2018. The Company determined that its current accounting policies align with this standard, therefore, this standard did not have an impact on the Company's consolidated financial statements.

In May 2014, the FASB issued ASU No. 2014-09, Revenue from Contracts with Customers (ASC 606), to provide a single, comprehensive revenue recognition model for all contracts with customers to improve comparability within industries, across industries, and across capital markets. Subsequent to the May 2014 issuance, several clarifications and updates have been issued on this topic. The underlying principle is that an entity will recognize revenue to depict the transfer of goods or services to customers at an amount that the entity expects to be entitled to in exchange for those goods or services. The Company adopted ASC 606 effective January 1, 2018 using the modified retrospective transition method. The Company recognized the cumulative effect of initially applying the new revenue standard as an adjustment to the opening balance of retained earnings at the beginning of 2018. The comparative information has not been restated and continues to be reported under the accounting standards in effect for the period presented.

See Note 4, “Revenue Recognition,” for additional accounting policy and transition disclosures.

Recently Issued Accounting Standards

In February 2018 the FASB issued ASU 2018-02, Income Statement - Reporting Comprehensive Income (Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income, that gives entities the option to reclassify to retained earnings tax effects related to items that have been stranded in accumulated other comprehensive income as a result of the Tax Cuts and Jobs Act (“TCJA”). The new guidance may be applied retrospectively to each period in which the effect of the TCJA is recognized in the period of adoption. The Company must adopt this guidance for fiscal years beginning after December 15, 2018 and interim periods within those fiscal years. Early adoption is permitted for periods for which financial statements have not yet been issued or made available for issuance, including the period the TCJA was enacted. The guidance, when adopted, will require new disclosures regarding a company’s accounting policy for releasing the tax effects in AOCI and permit the company the option to reclassify to retained earnings the tax effects resulting from the TCJA that are stranded in AOCI. The Company is currently evaluating how to apply the new guidance and has not determined whether it will elect to reclassify stranded amounts. The adoption of ASU 2018-02 is not expected to have a material effect on the Company's consolidated financial statements.

In February 2016, the FASB issued ASU No. 2016-02, Leases (ASC 842), which requires lessees to recognize most leases on the balance sheet. This is expected to increase both reported assets and liabilities. For public companies, the standard will be effective for the first interim reporting period within annual periods beginning after December 15, 2018, although early adoption is permitted. Lessees and lessors will be required to apply the new standard at the beginning of the earliest period presented in the financial statements in which they first apply the new guidance, using a modified retrospective transition method. The requirements of this standard include a significant increase in required disclosures. Management is analyzing the impact of the adoption of this guidance on the Company’s consolidated financial statements, including assessing changes that might be necessary to information technology systems, processes and internal controls to capture new data and address changes in financial reporting. Management expects that the Company will recognize substantial increases in reported amounts for property, plant and equipment and related lease liabilities upon adoption of the new standard. As of June 30, 2018, the contractual obligations for the Company’s leased vessels was approximately $208,200.

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Revenue Recognition

6 Months Ended

Jun. 30, 2018

Revenue from Contract with Customer [Abstract]

Revenue Recognition

Revenue Recognition

Adoption of ASC 606

On January 1, 2018, the Company adopted ASC 606 applying the modified retrospective method to all contracts not completed as of January 1, 2018. Results for reporting periods beginning after January 1, 2018 are presented under ASC 606, while prior period amounts are not adjusted and continue to be reported under the accounting standards in effect for the prior period.

The impact of adopting the new standard primarily related to a change in the timing of revenue recognition for voyage charter contracts. In the past, the Company recognized revenue from voyage charters ratably over the estimated length of each voyage, calculated on a discharge-to-discharge basis. Under the new standard, the Company recognizes revenue from voyage charters ratably over the estimated length of each voyage, calculated on a load-to-discharge basis. In addition, the adoption of ASC 606 resulted in a corresponding change in the timing of recognition of voyage expenses for voyage charter contracts.

The cumulative effect of the changes made to the Company's consolidated January 1, 2018 balance sheet for the adoption of ASC 606 was as follows:

($ in thousands)	Balance at December 31, 2017			Adjustments Due to ASC 606			Balance at January 1, 2018
Assets
Voyage receivables	$	24,209		$	1,336		$	25,545
Liabilities
Deferred income taxes	83,671			(108		)	83,563
Equity
Accumulated deficit	(265,758		)	(1,228		)	(266,986		)

For the six months ended June 30, 2018, revenues increased by $1,583, net income increased by $1,228 and basic and diluted net income per share increased by $0.02 per share as a result of applying ASC 606.

Revenue Recognition

Revenues are recognized when control of the promised services are transferred to the Company's customers in an amount that reflects the consideration that the Company expects to receive in exchange for those services.

Voyage Charter Revenues

The Company enters into voyage charter contracts, which are charters under which a customer pays a transportation charge, voyage freight, for the movement of a specific cargo between two or more specified ports. The Company's performance obligation under voyage charters, which consists of moving cargo from a load port to a discharge port, is satisfied over time. Accordingly, under ASC 606, the Company recognizes revenue from voyage charters ratably over the estimated length of each voyage, calculated on a load-to-discharge basis. The transaction price is in the form of a fixed fee at contract inception, which is the transportation charge. Voyage charter contracts also include variable consideration in the form of demurrage, which is additional revenue the Company receives for delays experienced in loading or unloading cargo that are not deemed to be the responsibility of the Company, calculated in accordance with specific charter terms. The Company does not include demurage in the transaction price for voyage charters as it is considered constrained since it is highly susceptible to factors outside the Company's influence. Examples of when demurrage is incurred include weather conditions and security regulations at ports. The uncertainty related to this variable consideration is resolved upon the completion of the voyage, the duration of which is generally less than 30 days.

Lightering Revenues

The Company enters into lightering contracts, which are contracts for the off-loading of crude oil or petroleum products from large size tankers, typically, Very Large Crude Carriers, into smaller tankers or barges for discharge in ports from which the larger tankers are restricted due to the depth of the water, narrow entrances or small berths. For lightering services, the customer does not obtain or control a minor amount of the output or other utility of the vessel. Also, the customer does not have the ability or right to control physical access to the vessel and there is a guaranteed monthly or annual minimum volume requirement that the fixed price that the customer pays is based on. The Company invoices the customer monthly based on either the actual barrels of cargo lightered or the monthly minimum volume requirement in the contract for services delivered over time. Annually, the Company performs a reconciliation between actual barrels lightered and the annual minimum volume requirement and, if necessary, bills the customer for amounts in excess of the minimum. Lightering contracts also include variable consideration for barrels delivered in excess of the contractual minimum. The Company does not include this variable consideration in the transaction price for lightering contracts as it is considered constrained since it is controlled by the customer. The uncertainty related to this variable consideration is resolved with the customer either on a monthly or annual basis as stipulated in the contract. Lightering revenue is included within voyage charter revenue on the consolidated statements of operations.

Time Charter Revenues

The Company enters into time charter contracts under which a customer pays a fixed daily or monthly rate for a fixed period of time for use of a vessel. The Company recognizes revenues from time charters as operating leases and are thus recognized ratably over the non-cancellable contract term, as service is performed. Customers pay voyage expenses such as fuel, canal tolls and port charges. The Company pays vessel expenses such as technical management expenses. The Company continues to evaluate the impact of the standard as it relates to non-lease components of time charter contracts and will finalize its position when the FASB’s Proposed Accounting Standards Update - Leases (Topic 842): Targeted Improvements becomes final, which will be consistent with the effective date and transition of the new leasing guidance in ASU 2016-02.

U.S. Maritime Security Program

Two of the Company's reflagged U.S. Flag Product Carriers participate in the U.S. Maritime Security Program ("MSP"), which ensures that privately-owned, military-useful U.S. Flag vessels are available to the U.S. Department of Defense in the event of war or national emergency. The Company receives an annual operating-differential subsidy pursuant to the Merchant Marine Act of 1936 for each participating vessel, subject in each case to annual congressional appropriations. The subsidy is intended to reimburse owners for the additional costs of operating U.S. Flag vessels. The Company considers the MSP contract with the U.S. government as a service arrangement under ASC 606.

Contract Balances

As of June 30, 2018 and December 31, 2017, contract balances from contracts with customers consisted of voyage receivables, including unbilled receivables, of $17,425 and $22,860, respectively, net of allowance for doubtful accounts. For voyage charters, voyage freight is due to the Company upon completion of discharge at the last discharge port. For lightering contracts, the Company invoices the customer monthly based on either the actual barrels of cargo lightered or the monthly minimum volume requirement in the contract for services delivered over time. The Company routinely reviews its voyage receivables and makes provisions for probable doubtful accounts; however, those provisions are estimates and actual results could differ from those estimates and those differences may be material. Voyage receivables are deemed uncollectible and removed from accounts receivable and the allowance for doubtful accounts when collection efforts have been exhausted.

Costs to Fulfill a Contract

Under ASC 606, for voyage charters and lightering contracts, the Company capitalizes the direct costs, which are voyage expenses, of relocating the vessel to the load port to be amortized during transport of the cargo. At June 30, 2018, there were no such direct costs related to voyages that were not yet completed as there were no in process voyages.

Transaction Price Allocated to the Remaining Performance Obligations

The Company will generally have partially satisfied performance obligations at month-end due to voyage charters which have not been completed. At June 30, 2018, there were no voyage charters that were not yet completed.

Practical Expedients and Exemptions

For voyage charters, the Company expenses broker commissions, which are costs of obtaining a contract, when incurred because the amortization period is less than one year. The Company records these costs within voyage expenses in the consolidated statements of operations.

For contracts that were modified before the adoption date, the Company has not retrospectively restated the contract for those contract modifications.

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Earnings per Common Share

6 Months Ended

Jun. 30, 2018

Earnings Per Share [Abstract]

Earnings per Common Share

Earnings per Common Share

Basic earnings per common share is computed by dividing earnings, after the deduction of dividends and undistributed earnings allocated to participating securities, by the weighted average number of common shares outstanding during the period. As management deemed the exercise price for the Class A warrants of $0.01 per share to be nominal, warrant proceeds are ignored and the shares issuable upon Class A warrant exercise are included in the calculation of basic weighted average common shares outstanding for all periods.

The computation of diluted earnings per share assumes the issuance of common stock for all potentially dilutive stock options and restricted stock units. Participating securities are defined by ASC 260, Earnings Per Share, as unvested share-based payment awards that contain non-forfeitable rights to dividends or dividend equivalents and are included in the computation of earnings per share pursuant to the two-class method.

Class A

There were no weighted average shares of unvested Class A restricted common stock shares considered to be participating securities for the three and six months ended June 30, 2018. There were 125,145 and 99,814 weighted average shares of unvested Class A restricted common stock shares considered to be participating securities for the three and six months ended June 30, 2017, respectively. For the three and six months ended June 30, 2017, such participating securities were allocated a portion of income under the two-class method.  

The computation of diluted earnings per share assumes the issuance of common stock for all potentially dilutive stock options and restricted stock units not classified as participating securities. As of June 30, 2018, there were 893,215 shares of Class A restricted stock units and 866,011 Class A stock options outstanding which were considered to be potentially dilutive securities. As of June 30, 2017, there were 430,633 shares of Class A restricted stock units and 384,084 Class A stock options outstanding which were considered to be potentially dilutive securities. 

The components of the calculation of basic earnings per share and diluted earnings per share are as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
Net income	$	3,055	$	3,211	$	6,717	$	8,641
Weighted average common shares outstanding:
Class A common stock - basic	88,367,302		87,769,483		88,237,093		88,309,231
Class A common stock - diluted	89,198,996		87,964,755		88,910,518		88,542,779

For the three and six months ended June 30, 2018, there were 831,694 and 673,425 dilutive equity awards outstanding, respectively. For the three and six months ended June 30, 2017, there were 195,272 and 233,548 dilutive equity awards outstanding, respectively. Awards of 452,758 and 491,957 (which includes restricted stock units and stock options) for the three and six months ended June 30, 2018 were not included in the computation of diluted earnings per share because inclusion of these awards would be anti-dilutive.

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Fair Value Measurements, Derivatives and Fair Value Disclosures

6 Months Ended

Jun. 30, 2018

Fair Value Disclosures [Abstract]

Fair Value Measurements, Derivatives and Fair Value Disclosures

Fair Value Measurements, Derivatives and Fair Value Disclosures

The following methods and assumptions were used to estimate the fair value of each class of financial instrument:

Cash and cash equivalents and restricted cash— The carrying amounts reported in the condensed consolidated balance sheet for interest-bearing deposits approximate their fair value.

Debt— The fair values of the Company’s publicly traded and non-public debt are estimated based on quoted market prices.

ASC 820, Fair Value Measurements and Disclosures, relating to fair value measurements defines fair value and established a framework for measuring fair value. The ASC 820 fair value hierarchy distinguishes between market participant assumptions developed based on market data obtained from sources independent of the reporting entity and the reporting entity's own assumptions about market participant assumptions developed based on the best information available in the circumstances. ASC 820 defines fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date, essentially an exit price. In addition, the fair value of assets and liabilities should include consideration of non-performance risk, which for the liabilities described below includes the Company's own credit risk. 

The levels of the fair value hierarchy established by ASC 820 are as follows:

Level 1 - Quoted prices in active markets for identical assets or liabilities 

Level 2 - Quoted prices for similar assets and liabilities in active markets or inputs that are observable

Level 3 - Unobservable inputs that are supported by little or no market activity and that are significant to the fair value

of the assets or liabilities 

Financial Instruments that are not Measured at Fair Value on a Recurring Basis

The estimated fair values of the Company’s financial instruments that are not measured at fair value on a recurring basis, categorized based upon the fair value hierarchy, are as follows:

	Carrying Value		Fair Value
			Level 1		Level 2
June 30, 2018:
Assets
Cash (1)	$	131,224	$	131,224	$	—
Total	$	131,224	$	131,224	$	—
Liabilities
OBS Term loan	375,974		—		377,747
7.5% Election 2 notes due 2021	296		—		298
7.5% notes due 2024	390		—		387
Total	$	376,660	$	—	$	378,432

	Carrying Value		Fair Value
			Level 1		Level 2
December 31, 2017:
Assets
Cash (1)	$	166,269	$	166,269	$	—
Total	$	166,269	$	166,269	$	—
Liabilities
OBS Term loan	448,251		—		441,630
7.5% Election 2 notes due 2021	295		—		305
7.5% notes due 2024	390		—		380
Total	$	448,936	$	—	$	442,315

(1) Includes current and non-current restricted cash aggregating $250 and $275 at June 30, 2018 and December 31, 2017, respectively. Restricted cash as of June 30, 2018 and December 31, 2017 is related to the Company's Unsecured Senior Notes.

Nonfinancial Instruments that are Measured at Fair Value on a Nonrecurring Basis

Vessel and Intangible Assets Impairments

During the second quarter of 2018, the Company gave consideration as to whether events or changes in circumstances had occurred since December 31, 2017 that could indicate the carrying amounts of the vessels in the Company's fleet and the carrying value of the Company's intangible assets may not be recoverable as of June 30, 2018. The Company concluded that no such events or changes in circumstances had occurred.

Derivatives

Interest Rate Risk

OBS was a party to an interest rate cap agreement (“Interest Rate Cap”) with a start date of February 5, 2015 with a major financial institution covering a notional amount of $375,000 to limit the floating interest rate exposure associated with the OBS Term Loan. The Interest Rate Cap terminated on February 5, 2018. The Interest Rate Cap was designated and qualified as a cash flow hedge, contained no leverage features and had a cap rate of 2.5% through February 5, 2017, at which time the cap rate increased to 3.0% through the termination date of February 5, 2018.

The effect of the Company’s cash flow hedging relationships on the unaudited condensed consolidated statement of operations for the six months ended June 30, 2018 and 2017 was $181 and $551, respectively, which represents the effective portion of loss reclassified from accumulated other comprehensive loss for interest expense associated with the Interest Rate Cap.

See Note 11, “Accumulated Other Comprehensive Loss,” for disclosures relating to the impact of derivative instruments on accumulated other comprehensive loss.

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Debt

6 Months Ended

Jun. 30, 2018

Debt Disclosure [Abstract]

Debt

Debt

Exit Financing Facilities

Capitalized terms used hereafter in this Note 7 have the meanings given in this Quarterly Report on Form 10-Q or in the Company’s 2017 Annual Report on Form 10-K or in the respective transaction documents referred to below, including subsequent amendments thereto.

On the Effective Date, to support the Equity Plan, OSG and its subsidiaries entered into secured debt facilities consisting of: (i) a secured asset-based revolving loan facility of $75,000, among the Parent Company, OBS, certain OBS subsidiaries, Wells Fargo Bank, National Association (“Wells Fargo”) as Administrative Agent, and the other lenders party thereto (the “OBS ABL Facility”), secured by a first lien on substantially all of the U.S. Flag assets of OBS and its subsidiaries and a second lien on certain other specified U.S. Flag assets and (ii) a secured term loan of $603,000, among the Parent Company, OBS, certain OBS subsidiaries, Jefferies Finance LLC (“Jefferies”), as Administrative Agent, and other lenders party thereto (the “OBS Term Loan”), secured by a first lien on certain specified U.S. Flag assets of OBS and its subsidiaries and a second lien on substantially all of the other U.S. Flag assets of OBS and its subsidiaries. As of June 30, 2018, no amounts had been drawn under the OBS ABL Facility. The OBS ABL Facility matures on February 5, 2019 and the OBS Term Loan matures on August 5, 2019.

The OBS Term Loan amortizes in equal quarterly installments in aggregate annual amounts equal to 1% of the original principal amount of the loans, adjusted for optional and mandatory prepayments. However, due to a $20,000 prepayment made on May 16, 2016, the Company is no longer required to make the 1% annualized principal payments. The OBS Term Loan stipulates that if annual aggregate net cash proceeds of asset sales exceed $5,000, the net cash proceeds from each such sale are required to be reinvested in fixed or capital assets within twelve months of such sale or be used to prepay the principal balance outstanding of the facility.

During the six months ended June 30, 2018, the Company made a mandatory prepayment of $28,166 and an optional prepayment of $47,000 on its OBS Term Loan. The aggregate net loss of $981 realized on these transactions during the six months ended June 30, 2018 reflects a write-off of unamortized original issue discount and deferred financing costs associated with the principal reductions and is included in other expense in the consolidated statements of operations.

The OBS Term Loan is subject to additional mandatory annual prepayments in an aggregate principal amount of up to 50% of Excess Cash Flow. As of June 30, 2018, management determined that no prepayments will be required for the OBS Term Loan for 2019 because the optional prepayment made in 2018 discussed above was in excess of the amounts that would otherwise have been payable.

The Exit Financing Facilities also contain certain restrictions relating to new borrowings, and the movement of funds between OBS and OSG (as Parent Company), which is not a borrower under the Exit Financing Facilities, as set forth in the respective loan agreements. The Parent Company’s ability to receive cash dividends, loans or advances from OBS is restricted under the Exit Financing Facilities. The Available Amount for cash dividends, loans or advances to the Parent Company permitted under the OBS Term Loan was $71,758 as of June 30, 2018.

The OBS Term Loan, maturing on August 5, 2019, has an outstanding principal balance of $380,000. The Company began evaluating alternatives in early 2018 to refinance the OBS Term Loan, including a broad assessment of interest rates and other prevailing conditions in the capital markets. Based on the Company's evaluations to date and current market conditions, the Company believes that it is probable that it will refinance its OBS Term Loan before it becomes due. The Company is actively engaged in the process of obtaining replacement financing.

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Taxes

6 Months Ended

Jun. 30, 2018

Income Tax Disclosure [Abstract]

Taxes

Taxes

For the three months ended June 30, 2018 and 2017, the Company recorded income tax provisions of $362 and $1,593, respectively, which represented effective tax rates of 11% and 33%, respectively. For the six months ended June 30, 2018 and 2017, the Company recorded income tax provisions of $1,564 and $5,162, respectively, which represented effective tax rates of 19% and 37%, respectively. The decrease in the effective tax rate for the 2018 period compared to the 2017 period was substantially due to the reduction of the statutory federal rate from 35% to 21% with the signing into law the Tax Cuts and Jobs Act (“TCJA”) on December 22, 2017. The effective tax rate for the period in both 2018 and 2017 was different from the statutory rate primarily as a result of the income tax provision resulting from stock compensation pursuant to ASU 2016-09 offset in part by the non-taxability of income subject to U.S. tonnage tax. The effective tax rate for the 2018 period was also impacted by the TCJA interest and executive compensation deduction limitations.

The Company recorded reasonable estimates of the impact of the TCJA on the Company’s deferred tax balances as provisional estimates at December 31, 2017 in accordance with SEC Staff Accounting Bulletin No. 118. There has been no activity through the second quarter that has required the Company to refine its estimate. The Company will continue to analyze additional information and guidance related to the TCJA as supplemental legislation, regulatory guidance or evolving technical interpretations become available. The Company continues to expect to complete its analysis no later than the fourth quarter of 2018.

As of June 30, 2018 and December 31, 2017, the Company recorded a noncurrent reserve for uncertain tax positions of $3,254 and $3,205, respectively, after taking into consideration tax attributes, such as net operating loss carryforwards, and accrued interest and penalties of $960 and $911, respectively.

The Internal Revenue Service (“IRS”) completed its examination of the Company's tax returns for fiscal years 2012 through 2015 and received notification that the Joint Committee on Taxation completed their review of the report on July 2, 2018. The proposed adjustments from the examination period relate primarily to the attribution of taxable income to a particular jurisdiction and disallowed officers compensation under Section 162(m). As previously disclosed in 2017 and previous years, the Company had recorded uncertain tax positions for several other tax positions reported in the income tax returns during these years. The final IRS report did not include any assessments related to those positions. As a result of the closure of the examination in July, it is anticipated the Company will reduce its unrecognized tax benefits for those previously reserved positions up to $36,000 and recognize a tax benefit of up to $22,000 within the third quarter.

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Related Parties

6 Months Ended

Jun. 30, 2018

Related Party Transactions [Abstract]

Related Parties

Related Parties

Equity Method Investment

Investments in and advances to affiliated companies are comprised of the Company’s 37.5% interest in Alaska Tanker Company, LLC (“ATC”), which manages vessels carrying Alaskan crude for BP West Coast Products, LLC (“BP”). In the first quarter of 1999, OSG, BP, and Keystone Shipping Company formed ATC to manage the vessels carrying crude oil for BP. ATC provides marine transportation services in the environmentally sensitive Alaskan crude oil trade. Each member in ATC is entitled to receive its respective share of any incentive charter hire payable by BP to ATC.

Guarantees

INSW entered into guarantee arrangements in connection with the spin-off from OSG on November 30, 2016, in favor of Qatar Liquefied Gas Company Limited (2) (“LNG Charterer”) and relating to certain LNG Tanker Time Charter Party Agreements with the LNG Charterer and each of Overseas LNG H1 Corporation, Overseas LNG H2 Corporation, Overseas LNG S1 Corporation and Overseas LNG S2 Corporation (such agreements, the “LNG Charter Party Agreements,” and such guarantees, collectively, the “LNG Performance Guarantees”).

OSG continues to provide a guarantee in favor of the LNG Charterer relating to the LNG Charter Party Agreements (such guarantees, the ‘‘OSG LNG Performance Guarantee’’). INSW will indemnify OSG for liabilities arising from the OSG LNG Performance Guarantees pursuant to the terms of the Separation and Distribution Agreement. The maximum potential liability associated with this guarantee is not estimable because obligations are only based on future non-performance events of charter arrangements. In connection with the OSG LNG Performance Guarantees, INSW will pay a $135 fee per year to OSG, which is subject to escalation after 2018 and will be terminated if OSG ceases to provide the OSG LNG Performance Guarantee.

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Capital Stock and Stock Compensation

6 Months Ended

Jun. 30, 2018

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

Capital Stock and Stock Compensation

Capital Stock and Stock Compensation

Share and Warrant Repurchases

During the six months ended June 30, 2018, in connection with the vesting of restricted stock units, the Company repurchased 163,464 shares of Class A common stock at an average cost of $2.20 per share (based on the market prices on the dates of vesting) from certain members of management to cover withholding taxes.

Warrant Conversions

During the six months ended June 30, 2018, the Company issued 1,725,801 shares of Class A common stock as a result of the exercise of 9,106,422 Class A warrants. During the six months ended June 30, 2017, the Company issued 4,477,726 shares of Class A common stock as a result of the exercise of 23,625,925 Class A warrants.

Stock Compensation

The Company accounts for stock compensation expense in accordance with the fair value based method required by ASC 718, Compensation – Stock Compensation. Such fair value based method requires share based payment transactions to be measured based on the fair value of the equity instruments issued.

Director Compensation — Restricted Stock Units

During the three months ended June 30, 2018, the Company awarded 151,300 time-based restricted stock units (“RSUs”) to its non-employee directors. The average grant date fair value of these awards was $3.65 per RSU. Such RSUs vest in full on the first anniversary of the grant date, subject to each director continuing to provide services to the Company through such date.

Management Compensation — Restricted Stock Units and Stock Options

During the three and six months ended June 30, 2018, the Company granted 0 and 365,584 RSUs to its employees, including senior officers, respectively. The average grant date fair value of these awards was $1.70 per RSU. Each RSU represents a contingent right to receive one share of Class A common stock upon vesting. Each award of RSUs will vest in equal installments on each of the first three anniversaries of the grant date.

In addition, during the six months ended June 30, 2018, the Company awarded 330,882 shares of the Company's Class A common stock to one of its senior officers, net of all taxes, which vested immediately. The average grant date fair value of these awards was $1.70.

During the three and six months months ended June 30, 2018, the Company awarded 0 and 142,060 performance-based RSUs to its senior officers. Each performance-based RSU represents a contingent right to receive RSUs based upon continuous employment through the end of a three-year performance period (the “Performance Period”) and shall vest as follows: (i) one-half of the target RSUs shall vest and become nonforfeitable subject to OSG’s return on invested capital (“ROIC”) performance in the three-year ROIC performance period relative to a target rate (the “ROIC Target”) set forth in the award agreements (the formula for ROIC is net operating profit after taxes divided by the net of total debt plus shareholders equity less cash); and (ii) one–half of the target RSUs will be subject to OSG’s three–year total shareholder return (“TSR”) performance relative to that of a performance index over a three–year TSR performance period. The index will consist of companies that comprise a combination of the oil and gas storage and transportation and marine GICS sub-industries indexes during the Performance Period. Vesting is subject in each case to the Human Resources and Compensation Committee’s certification of achievement of the performance measures and targets.

Both the ROIC Target RSUs and the TSR Target RSUs are subject to an increase up to a maximum of 106,545 target RSUs, respectively, (aggregate 213,090 target RSUs) or decrease depending on performance against the applicable measure and targets. The ROIC performance goal is a performance condition which, as of June 30, 2018, management believed, was considered probable of being achieved. Accordingly, for financial reporting purposes, compensation costs have been recognized. The grant date fair value of the TSR based performance awards, which have a market condition, was determined to be $1.70 per RSU.

During the three and six months ended June 30, 2018, the Company awarded 0 and 494,118 stock options to certain senior officers, respectively, which vested immediately. Each stock option represents an option to purchase one share of Class A common stock for an exercise price of $1.70 per share. The call option value of the options was $0.92 per option. Under the grant agreement, the stock options have a holding requirement until the earliest to occur of (i) a change in control; (ii) the separation from service date, in the event of a termination of the grantee's employment by the Company without cause or by the grantee for good reason and (iii) the third anniversary of the grant date. The stock options expire on the business day immediately preceding the tenth anniversary of the award date. If a stock option grantee’s employment is terminated for cause (as defined in the applicable Form of Grant Agreement), stock options (whether then vested or exercisable or not) will lapse and will not be exercisable. If a stock option grantee’s employment is terminated for reasons other than cause, the option recipient may exercise the vested portion of the stock option but only within such period of time ending on the earlier to occur of (i) the 90th day ending after the option holder’s employment terminated and (ii) the expiration of the options, provided that if the option holder’s employment terminates for death or disability the vested portion of the option may be exercised until the earlier of (i) the first anniversary of employment termination and (ii) the expiration date of the options.

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Accumulated Other Comprehensive Loss

6 Months Ended

Jun. 30, 2018

AOCI Attributable to Parent [Abstract]

Accumulated Other Comprehensive Loss

Accumulated Other Comprehensive Loss

The components of accumulated other comprehensive loss, net of related taxes, in the condensed consolidated balance sheets follow:

As of	June 30, 2018			December 31, 2017
Unrealized losses on derivative instruments	$	—		$	(112	)
Items not yet recognized as a component of net periodic benefit cost (pension and other postretirement benefit plans)	(6,120		)	(6,350		)
Accumulated other comprehensive loss	$	(6,120	)	$	(6,462	)

The following tables present the changes in the balances of each component of accumulated other comprehensive loss, net of related taxes, during the three and six months ended June 30, 2018 and 2017: 

	Unrealized losses on cash flow hedges			Items not yet recognized as a component of net periodic benefit cost (pension and other postretirement plans)			Total
Balance as of March 31, 2018	$	—		$	(6,247	)	$	(6,247	)
Current period change, excluding amounts reclassified from accumulated other comprehensive income	—			42			42
Amounts reclassified from accumulated other comprehensive income	—			85			85
Total change in accumulated other comprehensive income	—			127			127
Balance as of June 30, 2018	$	—		$	(6,120	)	$	(6,120	)
Balance as of March 31, 2017	$	(871	)	$	(7,141	)	$	(8,012	)
Current period change, excluding amounts reclassified from accumulated other comprehensive income	(115		)	335			220
Amounts reclassified from accumulated other comprehensive income	317			—			317
Total change in accumulated other comprehensive income	202			335			537
Balance as of June 30, 2017	$	(669	)	$	(6,806	)	$	(7,475	)

	Unrealized losses on cash flow hedges			Items not yet recognized as a component of net periodic benefit cost (pension and other postretirement plans)			Total
Balance as of December 31, 2017	$	(112	)	$	(6,350	)	$	(6,462	)
Current period change, excluding amounts reclassified from accumulated other comprehensive income	(69		)	61			(8		)
Amounts reclassified from accumulated other comprehensive income	181			169			350
Total change in accumulated other comprehensive income	112			230			342
Balance as of June 30, 2018	$	—		$	(6,120	)	$	(6,120	)
Balance as of December 31, 2016	$	(1,019	)	$	(7,141	)	$	(8,160	)
Current period change, excluding amounts reclassified from accumulated other comprehensive income	(200		)	335			135
Amounts reclassified from accumulated other comprehensive income	550			—			550
Total change in accumulated other comprehensive income	350			335			685
Balance as of June 30, 2017	(669		)	(6,806		)	(7,475		)

The income tax expense allocated to unrealized gains on cash flow hedges for the three and six months ended June 30, 2018 was $0 and $69, respectively. These amounts reflected the current period change, excluding amounts reclassified from accumulated other comprehensive loss.

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Leases

6 Months Ended

Jun. 30, 2018

Leases [Abstract]

Leases

Leases

Charters-in

As of June 30, 2018, the Company had commitments to charter-in 10 vessels. All of the charters-in are accounted for as operating leases and all are bareboat charters. Lease expense relating to charters-in is included in charter hire expenses in the consolidated statements of operations. The base term for nine vessels expires in December 2019. The Company holds options for the charters-in that can be exercised for 1, 3 or 5 years with the 1 year option only usable once, while the 3 and 5 year options are available forever. The lease payments for the charters-in are fixed throughout the option periods and the options are on a vessel by vessel basis that can be exercised individually. The option on one of the Company's vessels has been extended until December 2025. For the remaining nine vessels, the Company is required to declare its intention under the options by December 11, 2018.

The future minimum commitments and related number of operating days under these operating leases are as follows:

At June 30, 2018	Amount		Operating Days
2018	$	46,081	1,840
2019	111,819		3,470
2020	9,168		366
2021	9,143		365
2022	9,143		365
Thereafter	22,846		912
Net minimum lease payments	$	208,200	7,318

The bareboat charters-in provide for the payment of profit share to the owners of the vessels calculated in accordance with the respective charter agreements. Because such amounts and the periods impacted are not reasonably estimable, they are not currently reflected in the table above. Due to reserve funding requirements and current rate forecasts, no profits are currently expected to be paid to the owners in respect of the charter term through December 31, 2019.

Charters-out

The future minimum revenues, before reduction for brokerage commissions and which include rent escalations, expected to be received on noncancelable time charters and certain contract of affreightments (“COAs”) for which minimum annual revenues can be reasonably estimated and the related revenue days (revenue days represent calendar days, less days that vessels are not available for employment due to repairs, drydock or lay-up) are as follows:

At June 30, 2018	Amount		Revenue  Days
2018	$	107,259	1,963
2019	132,426		2,090
2020	43,570		532
2021	26,624		324
2022	30,675		365
Thereafter	77,464		886
Net minimum lease receipts	$	418,018	6,160

Future minimum revenues do not include COAs for which minimum annual revenues cannot be reasonably estimated. Revenues from those COAs that are included in the table above, $11,394 (2018), $23,031 (2019) and $6,356 (2020), are based on minimum annual volumes of cargo to be loaded during the contract periods at a fixed price and do not contemplate early termination of the COAs as provided in the agreements. Amounts that would be due to the Company in the event of the cancellation of the COA contracts have not been reflected in the table above. Revenues from a time charter are not generally received when a vessel is off-hire, including time required for normal periodic maintenance of the vessel. In arriving at the minimum future charter revenues, an estimated time off-hire to perform periodic maintenance on each vessel has been deducted, although there is no assurance that such estimate will be reflective of the actual off-hire in the future.

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Vessels

6 Months Ended

Jun. 30, 2018

Property, Plant and Equipment [Abstract]

Vessels

Vessels

In June 2018, one of the Company's ATBs was berthed to the dock when a third-party ship transiting the channel hit the Company's ATB causing structural damage to the Company's ATB and damage to the dock. The cost of repairs are expected to be covered by existing insurance policies and the Company is seeking recovery of its lost earnings.

In July 2018, the Company signed binding contracts with Hyundai Mipo Dockyard Company Ltd. for the construction of two50,000 deadweight tons class product chemical tankers for anticipated delivery to the Company during the second half of 2019. The Company's annual commitments under the contracts are $15,000 in the remainder of 2018 and $60,000 in 2019, of which the majority is due when the vessels are accepted by the Company.

Additionally, in July 2018, the Company signed a binding contract with Gunderson Marine LLC for the construction of one, approximately 204,000 BBL, oil and chemical tank barge for anticipated delivery to the Company during the first half of 2020. The Company's annual commitments under the contract are $10,190 in the remainder of 2018, $35,665 in 2019 and $5,095 in 2020.

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Contingencies

6 Months Ended

Jun. 30, 2018

Commitments and Contingencies Disclosure [Abstract]

Contingencies

Contingencies

The Company’s policy for recording legal costs related to contingencies is to expense such legal costs as incurred.

Legal Proceedings Arising in the Ordinary Course of Business

The Company is a party, as plaintiff or defendant, to various suits in the ordinary course of business for monetary relief arising principally from personal injuries (including without limitation exposure to asbestos and other toxic materials), wrongful death, collision or other casualty and to claims arising under charter parties. A substantial majority of such personal injury, wrongful death, collision or other casualty claims against the Company are covered by insurance (subject to deductibles not material in amount). Each of the claims involves an amount which, in the opinion of management, are not expected to be material to the Company’s financial position, results of operations and cash flows.

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Recently Adopted and Issued Accounting Standards (Policies)

6 Months Ended

Jun. 30, 2018

Accounting Policies [Abstract]

Basis of Presentation

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with generally accepted accounting principles for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. They do not include all of the information and notes required by generally accepted accounting principles in the United States. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair statement of the results have been included. Operating results for the three and six months ended June 30, 2018, are not necessarily indicative of the results that may be expected for the year ending December 31, 2018. 

Consolidation

The condensed consolidated balance sheet as of December 31, 2017 has been derived from the audited financial statements at that date but does not include all of the information and notes required by generally accepted accounting principles in the United States for complete financial statements. For further information, refer to the consolidated financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2017 (“Form 10-K”). 

Recently Adopted Accounting Standards and Recently Issued Accounting Standards

Recently Adopted Accounting Standards

In May 2017, the FASB issued ASU 2017-09, Compensation—Stock Compensation (ASC 718), Scope of Modification Accounting,which provides guidance in regards to a change to the terms or conditions of a share-based payment award. An entity is required to account for the effects of a modification unless all the following are met: (1) the fair value of the modified award is the same as the fair value of the original award immediately before the original award is modified; (2) the vesting conditions of the modified award are the same as the vesting conditions of the original award immediately before the original award is modified; (3) the classification of the modified award as an equity instrument or a liability instrument is the same as the classification of the original award immediately before the original award is modified. The guidance is to be applied prospectively to an award modified on or after the adoption date. The standard is effective for annual periods beginning after December 15, 2017 and interim periods within that reporting period. The adoption of this accounting policy had no impact on the Company’s consolidated financial statements since there were no stock award modifications during the six months ended June 30, 2018.

In March 2017, the FASB issued ASU 2017-07, Compensation — RetirementBenefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost, that will change how employers that sponsor defined benefit pension and/or other postretirement benefit plans present the net periodic benefit cost in the income statement. Under ASU 2017-07, employers will present the service cost component of net periodic benefit cost in the same income statement line item(s) as other employee compensation costs arising from services rendered during the period. Only the service cost component will be eligible for capitalization in assets. Additionally, employers will present the other components of the net periodic benefit cost separately from the line item(s) that includes the service cost and outside of any subtotal of operating income, if one is presented. These components will not be eligible for capitalization in assets. The guidance is effective for interim and annual periods beginning after December 15, 2017. This standard must be applied retrospectively to all periods presented. The Company retrospectively adopted this standard effective January 1, 2018. The amortization of actuarial (gain)/loss and amortization of prior service credits have been reclassified from vessel expenses and general and administrative expenses to other expense in the Company's consolidated statements of operations.

The effect of the retrospective presentation change related to the net periodic cost of the Company's domestic pension and postretirement benefit plans on its consolidated statements of operations was as follows:

	Six Months Ended June 30, 2017
($ in thousands)	As Previously Reported		Impact of Adoption			As Adjusted
Vessel expenses	$	68,173	$	70		$	68,243
General and administrative	14,604		(320		)	14,284
Total Operating Expenses	170,862		(250		)	170,612
Operating income	33,479		250			33,729
Other expense	630		250			880

In November 2016, the FASB issued ASU No. 2016-18, Statement of Cash Flows (ASC 230): Restricted Cash, which requires that amounts generally described as restricted cash and restricted cash equivalents be included with cash and cash equivalents when reconciling the beginning-of-period and end-of-period total amounts shown on the statement of cash flows. The standard is effective for annual periods beginning after December 15, 2017 and interim periods within that reporting period. This standard must be applied retrospectively to all periods presented. The Company adopted this standard effective January 1, 2018. The prior period has been adjusted to conform to current period presentation, which resulted in a decrease of $9,909 in net cash provided by investing activities for the six months ended June 30, 2017, related to changes in restricted cash amounts.

In October 2016, the FASB issued ASU No. 2016-16, Income Taxes (ASC 740): Intra-Entity Transfers of Assets Other Than Inventory, amending the accounting for income taxes. Under current guidance the recognition of current and deferred income taxes for an intra-entity asset transfer is prohibited until the asset has been sold to an outside party. The amended guidance eliminates the prohibition against immediate recognition of current and deferred income tax amounts associated with intra entity transfers of assets other than inventory. This guidance is effective for interim and annual periods beginning after December 15, 2017. The requirements of the amended guidance should be applied on a modified retrospective basis through a cumulative-effect adjustment directly to retained earnings as of the beginning of the period of adoption. The Company adopted this standard effective January 1, 2018. The adoption of the standard did not have any impact to the Company's consolidated financial statements.

In August 2016, the FASB issued ASU 2016-15, Classification of Certain Cash Receipts and Cash Payments (ASC 230), which amends the guidance in ASC 230 on the classification of certain cash receipts and payments in the statement of cash flows. The primary purpose of the ASU is to reduce the diversity in practice that has resulted from the lack of consistent principles on this topic with respect to (1) debt prepayment or debt extinguishment costs; (2) settlement of zero-coupon debt; (3) contingent consideration payments made after a business combination; (4) proceeds from the settlement of insurance claims; (5) proceeds from the settlement of corporate-owned life insurance policies; (6) distributions received from equity method investees; (7) beneficial interests in securitization transactions; and (8) separately identifiable cash flows and application of the predominance principle. The standard is effective for interim and annual periods beginning after December 31, 2017. The guidance requires application using a retrospective transition method. The Company adopted this standard effective January 1, 2018. The Company determined that its current accounting policies align with this standard, therefore, this standard did not have an impact on the Company's consolidated financial statements.

In May 2014, the FASB issued ASU No. 2014-09, Revenue from Contracts with Customers (ASC 606), to provide a single, comprehensive revenue recognition model for all contracts with customers to improve comparability within industries, across industries, and across capital markets. Subsequent to the May 2014 issuance, several clarifications and updates have been issued on this topic. The underlying principle is that an entity will recognize revenue to depict the transfer of goods or services to customers at an amount that the entity expects to be entitled to in exchange for those goods or services. The Company adopted ASC 606 effective January 1, 2018 using the modified retrospective transition method. The Company recognized the cumulative effect of initially applying the new revenue standard as an adjustment to the opening balance of retained earnings at the beginning of 2018. The comparative information has not been restated and continues to be reported under the accounting standards in effect for the period presented.

See Note 4, “Revenue Recognition,” for additional accounting policy and transition disclosures.

Recently Issued Accounting Standards

In February 2018 the FASB issued ASU 2018-02, Income Statement - Reporting Comprehensive Income (Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income, that gives entities the option to reclassify to retained earnings tax effects related to items that have been stranded in accumulated other comprehensive income as a result of the Tax Cuts and Jobs Act (“TCJA”). The new guidance may be applied retrospectively to each period in which the effect of the TCJA is recognized in the period of adoption. The Company must adopt this guidance for fiscal years beginning after December 15, 2018 and interim periods within those fiscal years. Early adoption is permitted for periods for which financial statements have not yet been issued or made available for issuance, including the period the TCJA was enacted. The guidance, when adopted, will require new disclosures regarding a company’s accounting policy for releasing the tax effects in AOCI and permit the company the option to reclassify to retained earnings the tax effects resulting from the TCJA that are stranded in AOCI. The Company is currently evaluating how to apply the new guidance and has not determined whether it will elect to reclassify stranded amounts. The adoption of ASU 2018-02 is not expected to have a material effect on the Company's consolidated financial statements.

In February 2016, the FASB issued ASU No. 2016-02, Leases (ASC 842), which requires lessees to recognize most leases on the balance sheet. This is expected to increase both reported assets and liabilities. For public companies, the standard will be effective for the first interim reporting period within annual periods beginning after December 15, 2018, although early adoption is permitted. Lessees and lessors will be required to apply the new standard at the beginning of the earliest period presented in the financial statements in which they first apply the new guidance, using a modified retrospective transition method. The requirements of this standard include a significant increase in required disclosures. Management is analyzing the impact of the adoption of this guidance on the Company’s consolidated financial statements, including assessing changes that might be necessary to information technology systems, processes and internal controls to capture new data and address changes in financial reporting. Management expects that the Company will recognize substantial increases in reported amounts for property, plant and equipment and related lease liabilities upon adoption of the new standard.

Fair Value of Financial Instruments

The following methods and assumptions were used to estimate the fair value of each class of financial instrument:

Cash and cash equivalents and restricted cash— The carrying amounts reported in the condensed consolidated balance sheet for interest-bearing deposits approximate their fair value.

Debt— The fair values of the Company’s publicly traded and non-public debt are estimated based on quoted market prices.

Fair Value Measurement

ASC 820, Fair Value Measurements and Disclosures, relating to fair value measurements defines fair value and established a framework for measuring fair value. The ASC 820 fair value hierarchy distinguishes between market participant assumptions developed based on market data obtained from sources independent of the reporting entity and the reporting entity's own assumptions about market participant assumptions developed based on the best information available in the circumstances. ASC 820 defines fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date, essentially an exit price. In addition, the fair value of assets and liabilities should include consideration of non-performance risk, which for the liabilities described below includes the Company's own credit risk. 

The levels of the fair value hierarchy established by ASC 820 are as follows:

Level 1 - Quoted prices in active markets for identical assets or liabilities 

Level 2 - Quoted prices for similar assets and liabilities in active markets or inputs that are observable

Level 3 - Unobservable inputs that are supported by little or no market activity and that are significant to the fair value

of the assets or liabilities 

Contingencies

The Company’s policy for recording legal costs related to contingencies is to expense such legal costs as incurred.

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Recently Adopted and Issued Accounting Standards (Tables)

6 Months Ended

Jun. 30, 2018

Accounting Policies [Abstract]

Schedule of New Accounting Pronouncements and Changes in Accounting Principles

The effect of the retrospective presentation change related to the net periodic cost of the Company's domestic pension and postretirement benefit plans on its consolidated statements of operations was as follows:

	Six Months Ended June 30, 2017
($ in thousands)	As Previously Reported		Impact of Adoption			As Adjusted
Vessel expenses	$	68,173	$	70		$	68,243
General and administrative	14,604		(320		)	14,284
Total Operating Expenses	170,862		(250		)	170,612
Operating income	33,479		250			33,729
Other expense	630		250			880

The cumulative effect of the changes made to the Company's consolidated January 1, 2018 balance sheet for the adoption of ASC 606 was as follows:

($ in thousands)	Balance at December 31, 2017			Adjustments Due to ASC 606			Balance at January 1, 2018
Assets
Voyage receivables	$	24,209		$	1,336		$	25,545
Liabilities
Deferred income taxes	83,671			(108		)	83,563
Equity
Accumulated deficit	(265,758		)	(1,228		)	(266,986		)

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Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 2018

Revenue from Contract with Customer [Abstract]

Schedule of New Accounting Pronouncements and Changes in Accounting Principles

The effect of the retrospective presentation change related to the net periodic cost of the Company's domestic pension and postretirement benefit plans on its consolidated statements of operations was as follows:

	Six Months Ended June 30, 2017
($ in thousands)	As Previously Reported		Impact of Adoption			As Adjusted
Vessel expenses	$	68,173	$	70		$	68,243
General and administrative	14,604		(320		)	14,284
Total Operating Expenses	170,862		(250		)	170,612
Operating income	33,479		250			33,729
Other expense	630		250			880

The cumulative effect of the changes made to the Company's consolidated January 1, 2018 balance sheet for the adoption of ASC 606 was as follows:

($ in thousands)	Balance at December 31, 2017			Adjustments Due to ASC 606			Balance at January 1, 2018
Assets
Voyage receivables	$	24,209		$	1,336		$	25,545
Liabilities
Deferred income taxes	83,671			(108		)	83,563
Equity
Accumulated deficit	(265,758		)	(1,228		)	(266,986		)

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Earnings per Common Share (Tables)

6 Months Ended

Jun. 30, 2018

Earnings Per Share [Abstract]

Components of Calculation of Earnings Per Share

The components of the calculation of basic earnings per share and diluted earnings per share are as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
Net income	$	3,055	$	3,211	$	6,717	$	8,641
Weighted average common shares outstanding:
Class A common stock - basic	88,367,302		87,769,483		88,237,093		88,309,231
Class A common stock - diluted	89,198,996		87,964,755		88,910,518		88,542,779

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Fair Value Measurements, Derivatives and Fair Value Disclosures (Tables)

6 Months Ended

Jun. 30, 2018

Fair Value Disclosures [Abstract]

Fair Value, by Balance Sheet Grouping

The estimated fair values of the Company’s financial instruments that are not measured at fair value on a recurring basis, categorized based upon the fair value hierarchy, are as follows:

	Carrying Value		Fair Value
			Level 1		Level 2
June 30, 2018:
Assets
Cash (1)	$	131,224	$	131,224	$	—
Total	$	131,224	$	131,224	$	—
Liabilities
OBS Term loan	375,974		—		377,747
7.5% Election 2 notes due 2021	296		—		298
7.5% notes due 2024	390		—		387
Total	$	376,660	$	—	$	378,432

	Carrying Value		Fair Value
			Level 1		Level 2
December 31, 2017:
Assets
Cash (1)	$	166,269	$	166,269	$	—
Total	$	166,269	$	166,269	$	—
Liabilities
OBS Term loan	448,251		—		441,630
7.5% Election 2 notes due 2021	295		—		305
7.5% notes due 2024	390		—		380
Total	$	448,936	$	—	$	442,315

(1) Includes current and non-current restricted cash aggregating $250 and $275 at June 30, 2018 and December 31, 2017, respectively. Restricted cash as of June 30, 2018 and December 31, 2017 is related to the Company's Unsecured Senior Notes.

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Accumulated Other Comprehensive Loss (Tables)

6 Months Ended

Jun. 30, 2018

AOCI Attributable to Parent [Abstract]

Components of Accumulated Other Comprehensive Loss

The components of accumulated other comprehensive loss, net of related taxes, in the condensed consolidated balance sheets follow:

As of	June 30, 2018			December 31, 2017
Unrealized losses on derivative instruments	$	—		$	(112	)
Items not yet recognized as a component of net periodic benefit cost (pension and other postretirement benefit plans)	(6,120		)	(6,350		)
Accumulated other comprehensive loss	$	(6,120	)	$	(6,462	)

Reclassification Out of Accumulated Other Comprehensive Income (Loss)

The following tables present the changes in the balances of each component of accumulated other comprehensive loss, net of related taxes, during the three and six months ended June 30, 2018 and 2017: 

	Unrealized losses on cash flow hedges			Items not yet recognized as a component of net periodic benefit cost (pension and other postretirement plans)			Total
Balance as of March 31, 2018	$	—		$	(6,247	)	$	(6,247	)
Current period change, excluding amounts reclassified from accumulated other comprehensive income	—			42			42
Amounts reclassified from accumulated other comprehensive income	—			85			85
Total change in accumulated other comprehensive income	—			127			127
Balance as of June 30, 2018	$	—		$	(6,120	)	$	(6,120	)
Balance as of March 31, 2017	$	(871	)	$	(7,141	)	$	(8,012	)
Current period change, excluding amounts reclassified from accumulated other comprehensive income	(115		)	335			220
Amounts reclassified from accumulated other comprehensive income	317			—			317
Total change in accumulated other comprehensive income	202			335			537
Balance as of June 30, 2017	$	(669	)	$	(6,806	)	$	(7,475	)

	Unrealized losses on cash flow hedges			Items not yet recognized as a component of net periodic benefit cost (pension and other postretirement plans)			Total
Balance as of December 31, 2017	$	(112	)	$	(6,350	)	$	(6,462	)
Current period change, excluding amounts reclassified from accumulated other comprehensive income	(69		)	61			(8		)
Amounts reclassified from accumulated other comprehensive income	181			169			350
Total change in accumulated other comprehensive income	112			230			342
Balance as of June 30, 2018	$	—		$	(6,120	)	$	(6,120	)
Balance as of December 31, 2016	$	(1,019	)	$	(7,141	)	$	(8,160	)
Current period change, excluding amounts reclassified from accumulated other comprehensive income	(200		)	335			135
Amounts reclassified from accumulated other comprehensive income	550			—			550
Total change in accumulated other comprehensive income	350			335			685
Balance as of June 30, 2017	(669		)	(6,806		)	(7,475		)

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Leases (Tables)

6 Months Ended

Jun. 30, 2018

Leases [Abstract]

Schedule of Property Subject to or Available for Operating Lease

The future minimum commitments and related number of operating days under these operating leases are as follows:

At June 30, 2018	Amount		Operating Days
2018	$	46,081	1,840
2019	111,819		3,470
2020	9,168		366
2021	9,143		365
2022	9,143		365
Thereafter	22,846		912
Net minimum lease payments	$	208,200	7,318

Operating Leases of Lessee Disclosure

The future minimum revenues, before reduction for brokerage commissions and which include rent escalations, expected to be received on noncancelable time charters and certain contract of affreightments (“COAs”) for which minimum annual revenues can be reasonably estimated and the related revenue days (revenue days represent calendar days, less days that vessels are not available for employment due to repairs, drydock or lay-up) are as follows:

At June 30, 2018	Amount		Revenue  Days
2018	$	107,259	1,963
2019	132,426		2,090
2020	43,570		532
2021	26,624		324
2022	30,675		365
Thereafter	77,464		886
Net minimum lease receipts	$	418,018	6,160

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Chapter 11 Filing and Emergence from Bankruptcy (Narrative) (Details) $ in Thousands		1 Months Ended	3 Months Ended		6 Months Ended
	Nov. 14, 2012 subsidiary	Feb. 28, 2017 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Feb. 10, 2017 case
Chapter 11 Filing Going Concern and Other Related Matters [Line Items]
Number of subsidiaries (subsidiary) | subsidiary	180
Number of cases closed (case) | case							1
Reorganization items			$ 0	$ 9	$ 0	$ 244
SEC Investigation
Chapter 11 Filing Going Concern and Other Related Matters [Line Items]
Litigation settlement paid		$ 5,000

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Recently Adopted and Issued Accounting Standards (Summary of Effect of Presentation Change Related to Net Periodic Cost) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Vessel expenses	$ 33,656	$ 32,599	$ 67,160	$ 68,243
General and administrative	6,586	6,190	13,369	14,284
Total Operating Expenses	84,838	81,880	172,296	170,612
Operating income	10,529	14,345	24,100	33,729
Other expense	$ (385)	$ 87	$ 246	880
As Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Vessel expenses				68,173
General and administrative				14,604
Total Operating Expenses				170,862
Operating income				33,479
Other expense				630
Impact of Adoption | Accounting Standards Update 2017-07
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Vessel expenses				70
General and administrative				(320)
Total Operating Expenses				(250)
Operating income				250
Other expense				$ 250

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Recently Adopted and Issued Accounting Standards (Narrative) (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Contractual obligation		$ 208,200
Accounting Standards Update 2016-18
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Decrease in net cash provided by investing activities	$ 9,909

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Revenue Recognition (Summary of Cumulative Effect of Changes to Balance Sheet for the Adoption of New Accounting Standard) (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Jan. 01, 2018	Dec. 31, 2017
Assets
Voyage receivables	$ 18,257	$ 25,545	$ 24,209
Liabilities
Deferred income taxes, net	84,757	83,563	83,671
Equity
Accumulated deficit	$ (260,269)	(266,986)	(265,758)
Calculated under Revenue Guidance in Effect Before Topic 606
Assets
Voyage receivables			24,209
Liabilities
Deferred income taxes, net			83,671
Equity
Accumulated deficit			$ (265,758)
Difference Between Revenue Guidance in Effect Before and after Topic 606 | Accounting Standards Update 2014-09
Assets
Voyage receivables		1,336
Liabilities
Deferred income taxes, net		(108)
Equity
Accumulated deficit		$ (1,228)

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Revenue Recognition (Narrative) (Details) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018 USD ($) $ / shares	Jun. 30, 2017 USD ($) $ / shares	Jun. 30, 2018 USD ($) product $ / shares	Jun. 30, 2017 USD ($) $ / shares	Dec. 31, 2017 USD ($)
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Increase in revenues	$ 95,367	$ 96,225	$ 196,396	$ 204,341
Increase in net income	$ 3,055	$ 3,211	$ 6,717	$ 8,641
Increase in basic and diluted net income (in dollars per share) | $ / shares	$ 0.03	$ 0.04	$ 0.08	$ 0.10
Period for voyage completion			30 days
Number of products participating in U.S Maritime Security Program (MSP) (product) | product			2
Contract balances from contracts with customers	$ 17,425		$ 17,425		$ 22,860
Voyage charters not yet completed	$ 0		0
Accounting Standards Update 2014-09 | Difference Between Revenue Guidance in Effect Before and after Topic 606
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Increase in revenues			1,583
Increase in net income			$ 1,228
Increase in basic and diluted net income (in dollars per share) | $ / shares			$ 0.02

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Earnings per Common Share (Narrative) (Details) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Common stock, par value (in dollars per share)	$ 0.01		$ 0.01		$ 0.01
Participating securities, distributed and undistributed earnings (loss), diluted (in shares)	0	125,145	0	99,814
Potentially dilutive securities (in shares)			866,011
Dilutive awards (in shares)	831,694	195,272	673,425	233,548
Antidilutive securities excluded from computation of earnings per share, amount (in shares)			452,758	491,957
Restricted Stock Units (RSUs)
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive securities (in shares)			893,215	430,633
Employee Stock Option
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive securities (in shares)				384,084
Common Class A
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Common stock, par value (in dollars per share)	$ 0.01		$ 0.01

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Earnings per Common Share (Calculation of EPS) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Earnings Per Share [Abstract]
Net income	$ 3,055	$ 3,211	$ 6,717	$ 8,641
Weighted average common shares outstanding:
Class A common stock - basic (in shares)	88,367,302	87,769,483	88,237,093	88,309,231
Class A common stock - diluted (in shares)	89,198,996	87,964,755	88,910,518	88,542,779

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Fair Value Measurements, Derivatives and Fair Value Disclosures (Fair Value of Financial Instruments Other Than Derivatives) (Details) - USD ($) $ in Thousands		Jun. 30, 2018	Dec. 31, 2017
Liabilities
Restricted cash		$ 59	$ 58
Corporate, Non-Segment
Liabilities
Restricted cash		$ 250	275
7.5% Election 2 Notes Due 2021
Liabilities
Stated interest rate		7.50%
7.5% notes due 2024
Liabilities
Stated interest rate		7.50%
Fair Value, Measurements, Nonrecurring | Level 1
Assets
Cash	[1]	$ 131,224	166,269
Total		131,224	166,269
Liabilities
Total		0	0
Fair Value, Measurements, Nonrecurring | Level 2
Assets
Cash	[1]	0	0
Total		0	0
Liabilities
Total		378,432	442,315
Fair Value, Measurements, Nonrecurring | OBS Term loan | Level 1
Liabilities
Loans payable		0	0
Fair Value, Measurements, Nonrecurring | OBS Term loan | Level 2
Liabilities
Loans payable		377,747	441,630
Fair Value, Measurements, Nonrecurring | 7.5% Election 2 Notes Due 2021 | Level 1
Liabilities
Notes payable		0	0
Fair Value, Measurements, Nonrecurring | 7.5% Election 2 Notes Due 2021 | Level 2
Liabilities
Notes payable		298	305
Fair Value, Measurements, Nonrecurring | 7.5% notes due 2024 | Level 1
Liabilities
Notes payable		0	0
Fair Value, Measurements, Nonrecurring | 7.5% notes due 2024 | Level 2
Liabilities
Notes payable		387	380
Fair Value, Measurements, Nonrecurring | Carrying Value
Assets
Cash	[1]	131,224	166,269
Total		131,224	166,269
Liabilities
Total		376,660	448,936
Fair Value, Measurements, Nonrecurring | Carrying Value | OBS Term loan
Liabilities
Loans payable		375,974	448,251
Fair Value, Measurements, Nonrecurring | Carrying Value | 7.5% Election 2 Notes Due 2021
Liabilities
Notes payable		296	295
Fair Value, Measurements, Nonrecurring | Carrying Value | 7.5% notes due 2024
Liabilities
Notes payable		$ 390	$ 390

[1] Includes current and non-current restricted cash aggregating $250 and $275 at June 30, 2018 and December 31, 2017, respectively. Restricted cash as of June 30, 2018 and December 31, 2017 is related to the Company's Unsecured Senior Notes.

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Fair Value Measurements, Derivatives and Fair Value Disclosures (Narrative) (Details) - Interest Rate Cap - USD ($)	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Feb. 05, 2018	Feb. 05, 2015
Interest Expense
Fair Value Of Financial Instruments Derivatives And Fair Value Disclousres [Line Items]
Effective portion of gain/(loss) reclassified from accumulated other comprehensive loss	$ 181,000	$ 551,000
OSG Bulk Ships, Inc (OBS)
Fair Value Of Financial Instruments Derivatives And Fair Value Disclousres [Line Items]
Derivative, notional amount				$ 375,000,000
OSG Bulk Ships, Inc (OBS) | Scenario, Plan
Fair Value Of Financial Instruments Derivatives And Fair Value Disclousres [Line Items]
Derivative, cap interest rate				2.50%
OSG Bulk Ships, Inc (OBS) | Scenario, Plan | Maximum
Fair Value Of Financial Instruments Derivatives And Fair Value Disclousres [Line Items]
Derivative, cap interest rate			3.00%

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Debt (Exit Financing Facilities) (Narrative) (Details) - USD ($)		6 Months Ended
	May 16, 2016	Jun. 30, 2018
OBS Term loan
Debt Instrument [Line Items]
Debt instrument, amortization, quarterly percentage of original principal amount		1.00%
Repayments of debt	$ 20,000,000
Debt instrument, covenant threshold related to net cash proceeds from asset sales		$ 5,000,000
Mandatory prepayment of debt		28,166,000
Optional prepayment of debt		47,000,000
Loss on repurchase of debt instrument		$ 981,000
Debt instrument, additional mandatory prepayments, percentage (up to)		50.00%
Threshold amounts available for parent		$ 71,758,000
Secured Debt | OBS Term loan
Debt Instrument [Line Items]
Debt instrument, face amount		603,000,000
Outstanding principal amount		380,000,000
Revolving Credit Facility | Secured Debt | OBS ABL Facility
Debt Instrument [Line Items]
Debt instrument, face amount		75,000,000
Amounts drawn under credit facility		$ 0

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Taxes (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Income tax provision	$ 362	$ 1,593	$ 1,564	$ 5,162
Effective tax rates	11.00%	33.00%	19.00%	37.00%
Reserve for uncertain tax positions	$ 3,254		$ 3,254		$ 3,205
Net operating loss carryforwards	960		960
Accrued interest					$ 911
Reduction in unrecognized tax benefits	36,000		36,000
Unrecognized tax positions reasonably possible to be recognized within next twelve months	$ 22,000		$ 22,000

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Related Parties (Narrative) (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Nov. 30, 2016
Alaska Tanker Company Llc
Company's interest	37.50%
LNG Joint Venture | International Seaways Incorporated
Annual fee from related party		$ 135

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Capital Stock and Stock Compensation (Narrative) (Details) - $ / shares	3 Months Ended	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2018	Jun. 30, 2017
Restricted Stock Units (RSUs) | Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, options (in shares)	151,300
Granted options, average grant date fair value (in dollars per share)	$ 3.65
RSUs related to ROIC
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, per share (in dollars per share)		$ 1.70
Additional shares available for grant (in shares)		106,545
Aggregate shares available for grant (in shares)	213,090	213,090
Management Incentive Compensation Plan | Senior Officers
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, options (in shares)		330,882
Management Incentive Compensation Plan | Time Based Restricted Stock | Senior Officers
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	0	365,584,000
Granted, per share (in dollars per share)		$ 1.70
Vesting period		3 years
Management Incentive Compensation Plan | Performance Based Restricted Units | Senior Officers
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	0	142,060,000
Vesting period		3 years
Continues employment period		3 years
Management Incentive Compensation Plan | Performance Based Restricted Units | Senior Officers | Share-based Compensation Award, Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation arrangement, award vesting rights percentage		50.00%
Management Incentive Compensation Plan | Performance Based Restricted Units | Senior Officers | Share-based Compensation Award, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation arrangement, award vesting rights percentage		50.00%
Management Incentive Compensation Plan | Employee Stock Option | Senior Officers
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	0	494,118
Granted, per share (in dollars per share)		$ 0.92
Options, exercisable price (in dollars per share)	$ 1.70	$ 1.70
Class A Warrant
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Conversion of stock, shares converted (in shares)		9,106,422	23,625,925
Common Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares repurchased during period (in shares)		163,464
Stock repurchased during period, per share amount (in dollars per share)		$ 2.20
Stock issued during period, shares, conversion of convertible securities (in shares)		1,725,801	4,477,726

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Accumulated Other Comprehensive Loss (Components of Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
AOCI Attributable to Parent [Abstract]
Unrealized losses on derivative instruments	$ 0	$ (112)
Items not yet recognized as a component of net periodic benefit cost (pension and other postretirement benefit plans)	(6,120)	(6,350)
Accumulated other comprehensive loss	$ (6,120)	$ (6,462)

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Accumulated Other Comprehensive Loss (Changes in Components of AOCI, Net of Related Taxes) (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2018		Jun. 30, 2017	Jun. 30, 2018		Jun. 30, 2017
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning				$ 313,238
Balance, ending	$ 320,832			320,832
Total
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning	(6,247)		$ (8,012)	(6,462)	[1]	$ (8,160)
Current period change, excluding amounts reclassified from accumulated other comprehensive income	42		220	(8)		135
Amounts reclassified from accumulated other comprehensive income	85		317	350		550
Total change in accumulated other comprehensive income	127		537	342		685
Balance, ending	(6,120)	[1]	(7,475)	(6,120)	[1]	(7,475)
Unrealized losses on cash flow hedges
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning	0		(871)	(112)		(1,019)
Current period change, excluding amounts reclassified from accumulated other comprehensive income	0		(115)	(69)		(200)
Amounts reclassified from accumulated other comprehensive income	0		317	181		550
Total change in accumulated other comprehensive income	0		202	112		350
Balance, ending	0		(669)	0		(669)
Items not yet recognized as a component of net periodic benefit cost (pension and other postretirement plans)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, beginning	(6,247)		(7,141)	(6,350)		(7,141)
Current period change, excluding amounts reclassified from accumulated other comprehensive income	42		335	61		335
Amounts reclassified from accumulated other comprehensive income	85		0	169		0
Total change in accumulated other comprehensive income	127		335	230		335
Balance, ending	$ (6,120)		$ (6,806)	$ (6,120)		$ (6,806)

[1] Amounts are net of tax.

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Accumulated Other Comprehensive Loss (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2018
AOCI Attributable to Parent [Abstract]
Tax expense (benefit) on unrealized gains on cash flow hedges	$ 0	$ 69

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Leases (Narrative) (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2018 USD ($) vessel
Leases [Line Items]
Lease receivable in 2018	$ 107,259
Lease receivable in 2019	132,426
Lease receivable in 2020	$ 43,570
Charter-In
Leases [Line Items]
Commitments to charter in vessels, number of units (vessel) | vessel	10
Charter-In | Vessels
Leases [Line Items]
Commitments to charter in vessels, number of units with expiring leases in next fiscal year (vessel) | vessel	9
Charter-In | Vessels | One Time Lease Option, Option One
Leases [Line Items]
Operating lease renewal term	1 year
Charter-In | Vessels | Indefinite Lease Option, Option One
Leases [Line Items]
Operating lease renewal term	3 years
Charter-In | Vessels | Indefinite Lease Option, Option Two
Leases [Line Items]
Operating lease renewal term	5 years
Charters-Out | Contracts of Affreightment Excluded
Leases [Line Items]
Lease receivable in 2018	$ 11,394
Lease receivable in 2019	23,031
Lease receivable in 2020	$ 6,356

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Leases (Bareboat and Time Charters-In) (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2018 USD ($)
Amount
2018	$ 46,081
2019	111,819
2020	9,168
2021	9,143
2022	9,143
Thereafter	22,846
Net minimum lease payments	$ 208,200
Operating Days
2018	1840 days
2019	3470 days
2020	366 days
2021	365 days
2022	365 days
Thereafter	912 days
Net minimum lease payments	7318 days

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Leases (Future Minimum Revenues on Charters-Out) (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2018 USD ($)
Amount
2018	$ 107,259
2019	132,426
2020	43,570
2021	26,624
2022	30,675
Thereafter	77,464
Net minimum lease receipts	$ 418,018
Revenue Days
2018	1963 days
2019	2090 days
2020	532 days
2021	324 days
2022	365 days
Thereafter	886 days
Net minimum lease receipts	6160 days
Contracts Of Affreightment | Charters-Out
Amount
2018	$ 11,394
2019	23,031
2020	$ 6,356

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Vessels (Details) - Subsequent Event - Construction in Progress bbl in Thousands, T in Thousands, $ in Thousands	1 Months Ended
	Jul. 31, 2018 USD ($) barge tanker T bbl
Hyundai Mipo Dockyard Company Ltd
Property, Plant and Equipment [Line Items]
Number of chemical tankers (tanker) | tanker	2
Mass of Chemical tankers (t) | T	50,000
Commitments under the contract, remainder of the year	$ 15,000
Commitments under the contract in 2019	60,000
Gunderson Marine LLC
Property, Plant and Equipment [Line Items]
Commitments under the contract, remainder of the year	10,190
Commitments under the contract in 2019	$ 35,665
Number of chemical tank barges (barge) | barge	1
Volume of chemical tank barge (bbl) | bbl	204,000
Commitments under the contract in 2020	$ 5,095