XML 16 R7.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands | Total | GulfMark | Common Stock | Common Stock GulfMark | Additional paid- in capital | Additional paid- in capital GulfMark | Retained earnings (deficit) | Accumulated other comprehensive income (loss) | Non controlling interest
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance at Mar. 31, 2017 | $ 1,637,644 |  | $ 4,712 |  | $ 165,221 |  | $ 1,461,914 | $ (10,344) | $ 16,141
Total comprehensive loss | (1,649,344) |  |  |  |  |  | (1,646,909) | (2,435) |
Stock option expense | 390 |  |  |  | 390 |  |  |  |
Cancellation/forfeiture of restricted stock units | 1,254 |  |  |  | 1,254 |  |  |  |
Amortization of restricted stock units | 2 |  |  |  | 2 |  |  |  |
Cash paid to noncontrolling interests | (1,200) |  |  |  |  |  |  |  | (1,200)
Balance at Jul. 31, 2017 | (11,254) |  | 4,712 |  | 166,867 |  | (184,995) | (12,779) | 14,941
Cancellation of Predecessor equity | 12,929 |  | (4,712) |  | (166,867) |  | 184,995 | 12,779 | (13,266)
Balance at Jul. 31, 2017 | 1,675 |  |  |  |  |  |  |  | 1,675
Balance at Jul. 31, 2017 | 1,057,084 |  | 18 |  | 1,055,391 |  |  | (12,779) | 1,675
Issuance of Successor common stock and warrants | 1,055,409 |  | 18 |  | 1,055,391 |  |  |  |
Total comprehensive loss | (38,873) |  |  |  |  |  | (39,266) | (147) | 540
Issuance of common stock | 2 |  | 4 |  | (2) |  |  |  |
Amortization/cancellation of restricted stock units | 3,731 |  |  |  | 3,731 |  |  |  |
Balance at Dec. 31, 2017 | 1,021,944 |  | 22 |  | 1,059,120 |  | (39,266) | (147) | 2,215
Total comprehensive loss | (169,430) |  |  |  |  |  | (171,517) | 2,341 | (254)
Issuance of common stock |  | $ 285,492 |  | $ 9 |  | $ 285,483 |  |  |
Issuance of common stock from exercise of warrants | 3 |  | 6 |  | (3) |  |  |  |
Amortization of restricted stock units | 8,914 |  |  |  | 8,914 |  |  |  |
Cash paid to noncontrolling interests | (2,000) |  |  |  | (1,126) |  |  |  | (874)
Balance at Dec. 31, 2018 | 1,087 |  |  |  |  |  |  |  |
Balance at Dec. 31, 2018 | 1,144,923 |  | 37 |  | 1,352,388 |  | (210,783) | 2,194 | 1,087
Total comprehensive loss | (143,649) |  |  |  |  |  | (141,743) | (2,430) | 524
Issuance of common stock from exercise of warrants |  |  | 3 |  | (3) |  |  |  |
Amortization of restricted stock units | 15,136 |  |  |  | 15,136 |  |  |  |
Balance at Dec. 31, 2019 | 1,611 |  |  |  |  |  |  |  |
Balance at Dec. 31, 2019 | $ 1,016,410 |  | $ 40 |  | $ 1,367,521 |  | $ (352,526) | $ (236) | $ 1,611

X
- Definition Restricted stock expense cancelled awards. + References No definition available. + Details
Name: | tdw_RestrictedStockExpenseCancelledAwards
Namespace Prefix: | tdw_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Stock and warrants issued during period, value, new issues. + References No definition available. + Details
Name: | tdw_StockAndWarrantsIssuedDuringPeriodValueNewIssues
Namespace Prefix: | tdw_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Stock issued during period value amortization cancellation of restricted stock. + References No definition available. + Details
Name: | tdw_StockIssuedDuringPeriodValueAmortizationCancellationOfRestrictedStock
Namespace Prefix: | tdw_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Stock issued during period value common stock warrants exercised. + References No definition available. + Details
Name: | tdw_StockIssuedDuringPeriodValueCommonStockWarrantsExercised
Namespace Prefix: | tdw_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of predecessor stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity. + References No definition available. + Details
Name: | tdw_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestPredecessor
Namespace Prefix: | tdw_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of increase to additional paid-in capital (APIC) for recognition of cost for restricted stock unit under share-based payment arrangement. + References No definition available. + Details
Name: | us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of increase (decrease) to additional paid-in capital (APIC) for recognition and exercise of award under share-based payment arrangement. + References No definition available. + Details
Name: | us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118930883&loc=d3e557-108580 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1B -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669625-108580 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1A -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669619-108580 + Details
Name: | us-gaap_ComprehensiveIncomeNetOfTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(24)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.31) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(22)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_MinorityInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
Name: | us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_StockIssuedDuringPeriodValueNewIssues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
Name: | us-gaap_StockRepurchasedAndRetiredDuringPeriodValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=108774443&loc=SL4568740-111683 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4I -URI http://asc.fasb.org/extlink&oid=116874947&loc=SL4590271-111686 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=108774443&loc=SL4568447-111683 + Details
Name: | us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant