XML 73 R62.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Condensed Consolidating Financial Information - Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Condensed Consolidating Statements of Comprehensive Income (Loss) |  |  |  |
Net income (loss) attributable to Nabors | $ (198,752) | $ (132,951) | $ (342,953) | $ (281,935)
Other comprehensive income (loss), before tax: |  |  |  |
Translation adjustment attributable to Nabors | (5,570) | 10,879 | (14,913) | 14,739
Unrealized gains (losses) on marketable securities: |  |  |  |
Unrealized gains (losses) on marketable securities |  | 3,785 |  | 584
Less: reclassification adjustment for (gains) losses included in net income (loss) |  | 1,341 |  | 1,341
Unrealized gains (losses) on marketable securities |  | 5,126 |  | 1,925
Pension liability amortization and adjustment | 54 | 50 | 108 | 100
Unrealized gains (losses) and amortization on cash flow hedges | 142 | 153 | 282 | 306
Adoption of ASU No. 2016-01 |  |  | (9,144) |
Other comprehensive income (loss), before tax | (5,374) | 16,208 | (23,667) | 17,070
Income tax expense (benefit) related to items of other comprehensive income (loss) | 48 | 78 | 91 | 157
Other comprehensive income (loss), net of tax | (5,422) | 16,130 | (23,758) | 16,913
Comprehensive income (loss) attributable to Nabors | (204,174) | (116,821) | (366,711) | (265,022)
Net income (loss) attributable to noncontrolling interest | 2,953 | 1,971 | 3,492 | 2,888
Translation adjustment attributable to noncontrolling interest | (63) | 108 | (159) | 157
Comprehensive income (loss) attributable to noncontrolling interest | 2,890 | 2,079 | 3,333 | 3,045
Comprehensive income (loss) | (201,284) | (114,742) | (363,378) | (261,977)
Reportable Legal Entities |  |  |  |
Condensed Consolidating Statements of Comprehensive Income (Loss) |  |  |  |
Net income (loss) attributable to Nabors | (198,752) | (132,951) |  |
Other comprehensive income (loss), before tax: |  |  |  |
Translation adjustment attributable to Nabors | (5,570) | 10,879 |  |
Unrealized gains (losses) on marketable securities: |  |  |  |
Unrealized gains (losses) on marketable securities |  | 3,785 |  |
Less: reclassification adjustment for (gains) losses included in net income (loss) |  | 1,341 |  |
Unrealized gains (losses) on marketable securities |  | 5,126 |  |
Pension liability amortization and adjustment | 54 | 50 |  |
Unrealized gains (losses) and amortization on cash flow hedges | 142 | 153 |  |
Other comprehensive income (loss), before tax | (5,374) | 16,208 |  |
Income tax expense (benefit) related to items of other comprehensive income (loss) | 48 | 78 |  |
Other comprehensive income (loss), net of tax | (5,422) | 16,130 |  |
Comprehensive income (loss) attributable to Nabors | (204,174) | (116,821) |  |
Net income (loss) attributable to noncontrolling interest | 2,953 | 1,971 |  |
Translation adjustment attributable to noncontrolling interest | (63) | 108 |  |
Comprehensive income (loss) attributable to noncontrolling interest | 2,890 | 2,079 |  |
Comprehensive income (loss) | (201,284) | (114,742) |  |
Consolidating Adjustments |  |  |  |
Condensed Consolidating Statements of Comprehensive Income (Loss) |  |  |  |
Net income (loss) attributable to Nabors | 120,306 | 207,654 | 261,690 | 497,501
Other comprehensive income (loss), before tax: |  |  |  |
Translation adjustment attributable to Nabors | 5,570 | (10,879) | 14,913 | (14,739)
Unrealized gains (losses) on marketable securities: |  |  |  |
Unrealized gains (losses) on marketable securities |  | (3,785) |  | (584)
Less: reclassification adjustment for (gains) losses included in net income (loss) |  | (1,341) |  | (1,341)
Unrealized gains (losses) on marketable securities |  | (5,126) |  | (1,925)
Pension liability amortization and adjustment | (162) | (150) | (324) | (300)
Unrealized gains (losses) and amortization on cash flow hedges | (284) | (306) | (564) | (612)
Adoption of ASU No. 2016-01 |  |  | 9,144 |
Other comprehensive income (loss), before tax | 5,124 | (16,461) | 23,169 | (17,576)
Income tax expense (benefit) related to items of other comprehensive income (loss) | (144) | (234) | (273) | (471)
Other comprehensive income (loss), net of tax | 5,268 | (16,227) | 23,442 | (17,105)
Comprehensive income (loss) attributable to Nabors | 125,574 | 191,427 | 285,132 | 480,396
Comprehensive income (loss) | 125,574 | 191,427 | 285,132 | 480,396
Parent Company |  |  |  |
Condensed Consolidating Statements of Comprehensive Income (Loss) |  |  |  |
Net income (loss) attributable to Nabors | (198,752) | (132,951) |  |
Other comprehensive income (loss), before tax: |  |  |  |
Translation adjustment attributable to Nabors | (5,570) | 10,879 |  |
Unrealized gains (losses) on marketable securities: |  |  |  |
Unrealized gains (losses) on marketable securities |  | 3,785 |  |
Less: reclassification adjustment for (gains) losses included in net income (loss) |  | 1,341 |  |
Unrealized gains (losses) on marketable securities |  | 5,126 |  |
Pension liability amortization and adjustment | 54 | 50 |  |
Unrealized gains (losses) and amortization on cash flow hedges | 142 | 153 |  |
Other comprehensive income (loss), before tax | (5,374) | 16,208 |  |
Income tax expense (benefit) related to items of other comprehensive income (loss) | 48 | 78 |  |
Other comprehensive income (loss), net of tax | (5,422) | 16,130 |  |
Comprehensive income (loss) attributable to Nabors | (204,174) | (116,821) |  |
Comprehensive income (loss) | (204,174) | (116,821) |  |
Parent Company | Reportable Legal Entities |  |  |  |
Condensed Consolidating Statements of Comprehensive Income (Loss) |  |  |  |
Net income (loss) attributable to Nabors |  |  | (342,953) | (281,935)
Other comprehensive income (loss), before tax: |  |  |  |
Translation adjustment attributable to Nabors |  |  | (14,913) | 14,739
Unrealized gains (losses) on marketable securities: |  |  |  |
Unrealized gains (losses) on marketable securities |  |  |  | 584
Less: reclassification adjustment for (gains) losses included in net income (loss) |  |  |  | 1,341
Unrealized gains (losses) on marketable securities |  |  |  | 1,925
Pension liability amortization and adjustment |  |  | 108 | 100
Unrealized gains (losses) and amortization on cash flow hedges |  |  | 282 | 306
Adoption of ASU No. 2016-01 |  |  | (9,144) |
Other comprehensive income (loss), before tax |  |  | (23,667) | 17,070
Income tax expense (benefit) related to items of other comprehensive income (loss) |  |  | 91 | 157
Other comprehensive income (loss), net of tax |  |  | (23,758) | 16,913
Comprehensive income (loss) attributable to Nabors |  |  | (366,711) | (265,022)
Comprehensive income (loss) |  |  | (366,711) | (265,022)
Guarantor Subsidiaries |  |  |  |
Condensed Consolidating Statements of Comprehensive Income (Loss) |  |  |  |
Net income (loss) attributable to Nabors | 12,080 | (60,777) |  |
Unrealized gains (losses) on marketable securities: |  |  |  |
Pension liability amortization and adjustment | 54 | 50 |  |
Unrealized gains (losses) and amortization on cash flow hedges | 142 | 153 |  |
Other comprehensive income (loss), before tax | 196 | 203 |  |
Income tax expense (benefit) related to items of other comprehensive income (loss) | 48 | 78 |  |
Other comprehensive income (loss), net of tax | 148 | 125 |  |
Comprehensive income (loss) attributable to Nabors | 12,228 | (60,652) |  |
Comprehensive income (loss) | 12,228 | (60,652) |  |
Guarantor Subsidiaries | Reportable Legal Entities |  |  |  |
Condensed Consolidating Statements of Comprehensive Income (Loss) |  |  |  |
Net income (loss) attributable to Nabors |  |  | (14,445) | (157,016)
Unrealized gains (losses) on marketable securities: |  |  |  |
Pension liability amortization and adjustment |  |  | 108 | 100
Unrealized gains (losses) and amortization on cash flow hedges |  |  | 282 | 306
Other comprehensive income (loss), before tax |  |  | 390 | 406
Income tax expense (benefit) related to items of other comprehensive income (loss) |  |  | 91 | 157
Other comprehensive income (loss), net of tax |  |  | 299 | 249
Comprehensive income (loss) attributable to Nabors |  |  | (14,146) | (156,767)
Comprehensive income (loss) |  |  | (14,146) | (156,767)
Other Subsidiaries (Non-Guarantors) |  |  |  |
Condensed Consolidating Statements of Comprehensive Income (Loss) |  |  |  |
Net income (loss) attributable to Nabors | (132,386) | (146,877) |  |
Other comprehensive income (loss), before tax: |  |  |  |
Translation adjustment attributable to Nabors | (5,570) | 10,879 |  |
Unrealized gains (losses) on marketable securities: |  |  |  |
Unrealized gains (losses) on marketable securities |  | 3,785 |  |
Less: reclassification adjustment for (gains) losses included in net income (loss) |  | 1,341 |  |
Unrealized gains (losses) on marketable securities |  | 5,126 |  |
Pension liability amortization and adjustment | 108 | 100 |  |
Unrealized gains (losses) and amortization on cash flow hedges | 142 | 153 |  |
Other comprehensive income (loss), before tax | (5,320) | 16,258 |  |
Income tax expense (benefit) related to items of other comprehensive income (loss) | 96 | 156 |  |
Other comprehensive income (loss), net of tax | (5,416) | 16,102 |  |
Comprehensive income (loss) attributable to Nabors | (137,802) | (130,775) |  |
Net income (loss) attributable to noncontrolling interest | 2,953 | 1,971 |  |
Translation adjustment attributable to noncontrolling interest | (63) | 108 |  |
Comprehensive income (loss) attributable to noncontrolling interest | 2,890 | 2,079 |  |
Comprehensive income (loss) | $ (134,912) | $ (128,696) |  |
Other Subsidiaries (Non-Guarantors) | Reportable Legal Entities |  |  |  |
Condensed Consolidating Statements of Comprehensive Income (Loss) |  |  |  |
Net income (loss) attributable to Nabors |  |  | (247,245) | (340,485)
Other comprehensive income (loss), before tax: |  |  |  |
Translation adjustment attributable to Nabors |  |  | (14,913) | 14,739
Unrealized gains (losses) on marketable securities: |  |  |  |
Unrealized gains (losses) on marketable securities |  |  |  | 584
Less: reclassification adjustment for (gains) losses included in net income (loss) |  |  |  | 1,341
Unrealized gains (losses) on marketable securities |  |  |  | 1,925
Pension liability amortization and adjustment |  |  | 216 | 200
Unrealized gains (losses) and amortization on cash flow hedges |  |  | 282 | 306
Adoption of ASU No. 2016-01 |  |  | (9,144) |
Other comprehensive income (loss), before tax |  |  | (23,559) | 17,170
Income tax expense (benefit) related to items of other comprehensive income (loss) |  |  | 182 | 314
Other comprehensive income (loss), net of tax |  |  | (23,741) | 16,856
Comprehensive income (loss) attributable to Nabors |  |  | (270,986) | (323,629)
Net income (loss) attributable to noncontrolling interest |  |  | 3,492 | 2,888
Translation adjustment attributable to noncontrolling interest |  |  | (159) | 157
Comprehensive income (loss) attributable to noncontrolling interest |  |  | 3,333 | 3,045
Comprehensive income (loss) |  |  | $ (267,653) | $ (320,584)

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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=84228862&loc=d3e557-108580 + Details
Name: | us-gaap_ComprehensiveIncomeNetOfTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_ComprehensiveIncomeNetOfTaxAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4613674-111683 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4569643-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=84234705&loc=SL4591552-111686 + Details
Name: | us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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. Excludes changes in equity resulting from investments by owners and distributions to owners. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4569616-111683 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=84234705&loc=SL4591552-111686 + Details
Name: | us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(22)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(18)) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(20)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_NetIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of Net Income (Loss) attributable to noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=84234705&loc=SL4591551-111686 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=84161450&loc=SL4573702-111684 + Details
Name: | us-gaap_NetIncomeLossAttributableToNoncontrollingInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentBeforeTaxPeriodIncreaseDecreaseAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount before tax, after reclassification adjustments of gain (loss) on foreign currency translation adjustments, on foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to parent entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=84161450&loc=SL4573702-111684 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4569616-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4569643-111683 + Details
Name: | us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPortionAttributableToParent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to noncontrolling interests. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4569643-111683 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=84161450&loc=SL4573702-111684 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4569616-111683 + Details
Name: | us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount before tax, after reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669646-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27357-111563 + Details
Name: | us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_OtherComprehensiveIncomeLossBeforeTaxPeriodIncreaseDecreaseAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount before tax of other comprehensive income (loss) attributable to parent entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=84161450&loc=SL4573702-111684 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4569643-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4569616-111683 + Details
Name: | us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount before tax, after reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669646-108580 + Details
Name: | us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount, before reclassification adjustment, of tax expense (benefit) for unrealized gain (loss) from increase (decrease) in instrument-specific credit risk on financial liability measured under fair value option. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=75026489&loc=SL75136633-108610 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84228862&loc=d3e640-108580 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (l) -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669646-108580 + Details
Name: | us-gaap_OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionUnrealizedGainLossArisingDuringPeriodTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount after tax of other comprehensive income (loss) attributable to parent entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=84161450&loc=SL4573702-111684 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4569616-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4569643-111683 + Details
Name: | us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount before tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=84228862&loc=d3e689-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27357-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=84228862&loc=d3e637-108580 + Details
Name: | us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount, before tax, of reclassification adjustment from accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=84228862&loc=d3e637-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=84228862&loc=d3e689-108580 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
Name: | us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of tax expense (benefit) allocated to other comprehensive income (loss) attributable to parent entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=84161450&loc=SL4573702-111684 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4569616-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4569643-111683 + Details
Name: | us-gaap_OtherComprehensiveIncomeLossTaxPortionAttributableToParent1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount before tax and reclassification adjustments of unrealized holding gain (loss) on available-for-sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669646-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=84228862&loc=d3e637-108580 + Details
Name: | us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_ConsolidationItemsAxis=us-gaap_ReportableLegalEntitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConsolidationItemsAxis=us-gaap_ConsolidationEliminationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConsolidatedEntitiesAxis=us-gaap_ParentCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConsolidatedEntitiesAxis=us-gaap_GuarantorSubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConsolidatedEntitiesAxis=us-gaap_NonGuarantorSubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |