XML 93 R65.htm IDEA: XBRL DOCUMENT
v3.20.4

SECURITIES - Schedule of Available for Sale Securities Debt Maturities (Details) $ in Millions | Dec. 31, 2020 USD ($)
--- | ---
Amortized Cost: |
Amortized Cost, Debt securities available for sale, Maturity of 1 Year or Less | $ 12
Amortized Cost, Debt securities available for sale, Maturity of 1-5 Years | 127
Amortized Cost, Debt securities available for sale, Maturity of 5-10 Years | 1,616
Amortized Cost, Debt securities available for sale, Maturity After 10 Years | 20,609
Amortized Cost, Debt securities available for sale, Total | 22,364
Amortized Cost, Debt securities held to maturity, Maturity of 1 Year or Less | 0
Amortized Cost, Debt securities held to maturity, Maturity of 1-5 Years | 0
Amortized Cost, Debt securities held to maturity, Maturity of 5-10 Years | 893
Amortized Cost, Debt securities held to maturity, Maturity After 10 Years | 2,342
Amortized Cost, Debt securities held to maturity, Total | 3,235
Total amortized cost of debt securities, Maturity of 1 Year or Less | 12
Total amortized cost of debt securities, Maturity of 1-5 Years | 127
Total amortized cost of debt securities, Maturity of 5-10 Years | 2,509
Total amortized cost of debt securities, Maturity After 10 Years | 22,951
Total amortized cost of debt securities, Total | 25,599
Fair Value: |
Fair Value, Debt securities available for sale, Maturity of 1 Year or Less | 12
Fair Value, Debt securities available for sale, Maturity of 1-5 Years | 133
Fair Value, Debt securities available for sale, Maturity of 5-10 Years | 1,660
Fair Value, Debt securities available for sale, Maturity After 10 Years | 21,137
Fair Value, Debt securities available for sale, Total | 22,942
Fair Value, Debt securities held to maturity, Maturity of 1 Year or Less | 0
Fair Value, Debt securities held to maturity, Maturity of 1-5 Years | 0
Fair Value, Debt securities held to maturity, Maturity of 5-10 Years | 893
Fair Value, Debt securities held to maturity, Maturity After 10 Years | 2,464
Fair Value, Debt securities held to maturity, Total | 3,357
Total fair value of debt securities, Maturity of 1 Year or Less | 12
Total fair value of debt securities, Maturity of 1-5 Years | 133
Total fair value of debt securities, Maturity of 5-10 Years | 2,553
Total fair value of debt securities, Maturity After 10 Years | 23,601
Total fair value of debt securities, Total | 26,299
U.S. Treasury and other |
Amortized Cost: |
Amortized Cost, Debt securities available for sale, Maturity of 1 Year or Less | 11
Amortized Cost, Debt securities available for sale, Maturity of 1-5 Years | 0
Amortized Cost, Debt securities available for sale, Maturity of 5-10 Years | 0
Amortized Cost, Debt securities available for sale, Maturity After 10 Years | 0
Amortized Cost, Debt securities available for sale, Total | 11
Fair Value: |
Fair Value, Debt securities available for sale, Maturity of 1 Year or Less | 11
Fair Value, Debt securities available for sale, Maturity of 1-5 Years | 0
Fair Value, Debt securities available for sale, Maturity of 5-10 Years | 0
Fair Value, Debt securities available for sale, Maturity After 10 Years | 0
Fair Value, Debt securities available for sale, Total | 11
State and political subdivisions |
Amortized Cost: |
Amortized Cost, Debt securities available for sale, Maturity of 1 Year or Less | 0
Amortized Cost, Debt securities available for sale, Maturity of 1-5 Years | 0
Amortized Cost, Debt securities available for sale, Maturity of 5-10 Years | 0
Amortized Cost, Debt securities available for sale, Maturity After 10 Years | 3
Amortized Cost, Debt securities available for sale, Total | 3
Fair Value: |
Fair Value, Debt securities available for sale, Maturity of 1 Year or Less | 0
Fair Value, Debt securities available for sale, Maturity of 1-5 Years | 0
Fair Value, Debt securities available for sale, Maturity of 5-10 Years | 0
Fair Value, Debt securities available for sale, Maturity After 10 Years | 3
Fair Value, Debt securities available for sale, Total | 3
Federal agencies and U.S. government sponsored entities |
Amortized Cost: |
Amortized Cost, Debt securities available for sale, Maturity of 1 Year or Less | 1
Amortized Cost, Debt securities available for sale, Maturity of 1-5 Years | 127
Amortized Cost, Debt securities available for sale, Maturity of 5-10 Years | 1,616
Amortized Cost, Debt securities available for sale, Maturity After 10 Years | 20,210
Amortized Cost, Debt securities available for sale, Total | 21,954
Amortized Cost, Debt securities held to maturity, Maturity of 1 Year or Less | 0
Amortized Cost, Debt securities held to maturity, Maturity of 1-5 Years | 0
Amortized Cost, Debt securities held to maturity, Maturity of 5-10 Years | 0
Amortized Cost, Debt securities held to maturity, Maturity After 10 Years | 2,342
Amortized Cost, Debt securities held to maturity, Total | 2,342
Fair Value: |
Fair Value, Debt securities available for sale, Maturity of 1 Year or Less | 1
Fair Value, Debt securities available for sale, Maturity of 1-5 Years | 133
Fair Value, Debt securities available for sale, Maturity of 5-10 Years | 1,660
Fair Value, Debt securities available for sale, Maturity After 10 Years | 20,712
Fair Value, Debt securities available for sale, Total | 22,506
Fair Value, Debt securities held to maturity, Maturity of 1 Year or Less | 0
Fair Value, Debt securities held to maturity, Maturity of 1-5 Years | 0
Fair Value, Debt securities held to maturity, Maturity of 5-10 Years | 0
Fair Value, Debt securities held to maturity, Maturity After 10 Years | 2,464
Fair Value, Debt securities held to maturity, Total | 2,464
Other/non-agency |
Amortized Cost: |
Amortized Cost, Debt securities available for sale, Maturity of 1 Year or Less | 0
Amortized Cost, Debt securities available for sale, Maturity of 1-5 Years | 0
Amortized Cost, Debt securities available for sale, Maturity of 5-10 Years | 0
Amortized Cost, Debt securities available for sale, Maturity After 10 Years | 396
Amortized Cost, Debt securities available for sale, Total | 396
Fair Value: |
Fair Value, Debt securities available for sale, Maturity of 1 Year or Less | 0
Fair Value, Debt securities available for sale, Maturity of 1-5 Years | 0
Fair Value, Debt securities available for sale, Maturity of 5-10 Years | 0
Fair Value, Debt securities available for sale, Maturity After 10 Years | 422
Fair Value, Debt securities available for sale, Total | 422
Asset-backed securities |
Amortized Cost: |
Amortized Cost, Debt securities held to maturity, Maturity of 1 Year or Less | 0
Amortized Cost, Debt securities held to maturity, Maturity of 1-5 Years | 0
Amortized Cost, Debt securities held to maturity, Maturity of 5-10 Years | 893
Amortized Cost, Debt securities held to maturity, Maturity After 10 Years | 0
Amortized Cost, Debt securities held to maturity, Total | 893
Fair Value: |
Fair Value, Debt securities held to maturity, Maturity of 1 Year or Less | 0
Fair Value, Debt securities held to maturity, Maturity of 1-5 Years | 0
Fair Value, Debt securities held to maturity, Maturity of 5-10 Years | 893
Fair Value, Debt securities held to maturity, Maturity After 10 Years | 0
Fair Value, Debt securities held to maturity, Total | $ 893

X
- Definition Amount of investment in available for sale and held-to-maturity debt securities maturing in the fifth through tenth fiscal year following the latest fiscal year. + References No definition available. + Details
Name: | cfg_AvailableforsaleSecuritiesandHeldtomaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost
Namespace Prefix: | cfg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of available for sale and held-to-maturity debt securities maturing in the sixth through tenth rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
Name: | cfg_AvailableforsaleSecuritiesandHeldtomaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue
Namespace Prefix: | cfg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of available for sale and held-to-maturity debt securities maturing in the second through fifth rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
Name: | cfg_AvailableforsaleSecuritiesandHeldtomaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYears
Namespace Prefix: | cfg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in available for sale and held-to-maturity debt securities maturing in the next fiscal year through the fifth fiscal year following the latest fiscal year. + References No definition available. + Details
Name: | cfg_AvailableforsaleSecuritiesandHeldtomaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost
Namespace Prefix: | cfg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in available for sale and held-to-maturity debt securities maturing after the tenth fiscal year following the latest fiscal year. + References No definition available. + Details
Name: | cfg_AvailableforsaleSecuritiesandHeldtomaturitySecuritiesDebtMaturitiesAfterTenYearsAmortizedCost
Namespace Prefix: | cfg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of available for sale and held-to-maturity debt securities maturing after the tenth rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
Name: | cfg_AvailableforsaleSecuritiesandHeldtomaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue
Namespace Prefix: | cfg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in available for sale and held-to-maturity debt securities with a single maturity date, after other than temporary (OTTI) accretion. + References No definition available. + Details
Name: | cfg_AvailableforsaleSecuritiesandHeldtomaturitySecuritiesDebtMaturitiesAmortizedCost
Namespace Prefix: | cfg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Available-for-sale Securities and Held-to-maturity Securities, Debt Maturities, Amortized Cost Basis [Abstract] + References No definition available. + Details
Name: | cfg_AvailableforsaleSecuritiesandHeldtomaturitySecuritiesDebtMaturitiesAmortizedCostBasisAbstract
Namespace Prefix: | cfg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value of investment in held-to-maturity and available for sale debt securities with a single maturity date. + References No definition available. + Details
Name: | cfg_AvailableforsaleSecuritiesandHeldtomaturitySecuritiesDebtMaturitiesFairValue
Namespace Prefix: | cfg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Available-for-sale Securities and Held-to-maturity Securities, Debt Maturities, Fair Value [Abstract] + References No definition available. + Details
Name: | cfg_AvailableforsaleSecuritiesandHeldtomaturitySecuritiesDebtMaturitiesFairValueAbstract
Namespace Prefix: | cfg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value of available for sale and held-to-maturity debt securities maturing in the next rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
Name: | cfg_AvailableforsaleSecuritiesandHeldtomaturitySecuritiesDebtMaturitiesMaturityWithinOneYearFairValue
Namespace Prefix: | cfg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in available for sale and held-to-maturity debt securities maturing in the next fiscal year following the latest fiscal year. + References No definition available. + Details
Name: | cfg_AvailableforsaleSecuritiesandHeldtomaturitySecuritiesDebtMaturitiesWithinOneYearAmortizedCost
Namespace Prefix: | cfg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing after tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120252992&loc=SL120269850-112803 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27161-111563 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27198-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next rolling fiscal year following latest fiscal year. For interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing after rolling tenth fiscal year following latest fiscal year. For interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of investment in debt security, measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in rolling sixth through tenth fiscal year following latest fiscal year. For interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of investment in debt security, measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in rolling sixth through tenth fiscal year following latest fiscal year. For interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next rolling fiscal year through fifth year following latest fiscal year. For interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of investment in debt security, measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next rolling fiscal year through fifth year following latest fiscal year. For interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3A -URI http://asc.fasb.org/extlink&oid=120252992&loc=SL120269850-112803 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27161-111563 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27198-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27198-111563 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27161-111563 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=120252992&loc=d3e62586-112803 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120252992&loc=SL120269850-112803 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27198-111563 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in debt security measured at amortized cost (held-to-maturity), with single maturity date and allocated without single maturity date, maturing in sixth through tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (f)(3) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27232-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=120252992&loc=d3e62586-112803 + Details
Name: | us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in debt security measured at amortized cost (held-to-maturity), with single maturity date and allocated without single maturity date, maturing in second through fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27232-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120252992&loc=d3e62586-112803 + Details
Name: | us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in debt security measured at amortized cost (held-to-maturity), with single maturity date and allocated without single maturity date, maturing after tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (f)(4) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27232-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120252992&loc=d3e62586-112803 + Details
Name: | us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of investment in debt security measured at amortized cost (held-to-maturity), with single maturity date and allocated without single maturity date, maturing in next rolling fiscal year following latest fiscal year. For interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. + References No definition available. + Details
Name: | us-gaap_HeldToMaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of investment in debt security measured at amortized cost (held-to-maturity), with single maturity date and allocated without single maturity date, maturing after tenth rolling fiscal year following latest fiscal year. For interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. + References No definition available. + Details
Name: | us-gaap_HeldToMaturitySecuritiesDebtMaturitiesRollingAfterTenYearsFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of investment in debt security measured at amortized cost (held-to-maturity), with single maturity date and allocated without single maturity date, maturing in sixth through tenth rolling fiscal year following latest fiscal year. For interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. + References No definition available. + Details
Name: | us-gaap_HeldToMaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of investment in debt security measured at amortized cost (held-to-maturity), with single maturity date and allocated without single maturity date, maturing in second through fifth rolling fiscal year following latest fiscal year. For interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. + References No definition available. + Details
Name: | us-gaap_HeldToMaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of investment in debt security measured at amortized cost (held-to-maturity), with single maturity date and allocated without single maturity date. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=120252992&loc=d3e62586-112803 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27232-111563 + Details
Name: | us-gaap_HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of investment in debt security measured at amortized cost (held-to-maturity), with single maturity date and allocated without single maturity date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=120252992&loc=d3e62586-112803 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3A -URI http://asc.fasb.org/extlink&oid=120252992&loc=SL120269850-112803 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27232-111563 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5B -URI http://asc.fasb.org/extlink&oid=121645371&loc=SL120269825-111563 + Details
Name: | us-gaap_HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in debt security measured at amortized cost (held-to-maturity), with single maturity date and allocated without single maturity date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120252992&loc=d3e62586-112803 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (f)(1) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27232-111563 + Details
Name: | us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USTreasuryAndGovernmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USStatesAndPoliticalSubdivisionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_MortgageBackedSecuritiesIssuedByPrivateEnterprisesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_AssetBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |