XML 33 R30.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Investments - Schedule of Investments (Details) (USD $) | 9 Months Ended |
--- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Dec. 31, 2013
Schedule of Available-for-sale Securities [Line Items] |  |  |
Available-for-sale Debt Securities, Amortized Cost Basis | $ 4,318,500,000 |  | $ 4,370,500,000
Available-for-sale Debt Securities, Fair Value | 4,697,200,000 |  | 4,575,000,000
Available for sale Securities, Equity Securities, Cost | 547,300,000 |  | 530,000,000
Available for sale Securities, Equity Securities, Fair Value | 661,400,000 |  | 598,500,000
Available-for-sale Securities, Debt Maturities, Fair Value [Abstract] |  |  |
Due in One Year or Less - Amortized Cost | 46,600,000 |  |
Due in One Year or Less - Fair Value | 47,900,000 |  |
Due after One Year to Five Years - Amortized Cost | 728,500,000 |  |
Due after One Year to Five Years - Fair Value | 777,400,000 |  |
Due after Five Years to Ten Years - Amortized Cost | 1,329,000,000 |  |
Due after Five Years to Ten Years - Fair Value | 1,378,500,000 |  |
Due after Ten Years - Amortized Cost | 2,009,500,000 |  |
Due after Ten Years - Fair Value | 2,277,100,000 |  |
Asset-backed Securities Not Due in a Single Maturity Date - Amortized Cost | 204,900,000 |  |
Asset-backed Securities Not Due in a Single Maturity Date - Fair Value | 216,300,000 |  |
Other Receivables | 247,500,000 |  | 193,100,000
Other Liabilities | 390,300,000 |  | 329,800,000
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |  |  |
Less Than 12 Months, Fair Value | 535,900,000 |  | 1,199,100,000
Less Than 12 Months, Unrealized Losses | (8,700,000) |  | (76,000,000)
12 Months or Longer, Fair Value | 662,400,000 |  | 119,600,000
12 Months or Longer, Unrealized Losses | (25,600,000) |  | (9,900,000)
Total, Fair Value | 1,198,300,000 |  | 1,318,700,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses Accumulated in Investments | (34,300,000) |  | (85,900,000)
Less Than 12 Months, Fair Value | 0 |  | 0
Available For Sale Securities, Continuous Unrealized Loss Position, Credit Losses Recognized Related to Securites in An Unrealized Loss Position, In a Position of 12 Months or Longer | 300,000 |  | 300,000
Purchases of Fair Value Option Investments | 52,900,000 | 0 |
Sales of Fair Value Option Investments | 2,900,000 | 0 |
Fair Value Option Investments | 50,600,000 |  | 0
Fixed Maturities [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Available-for-sale Debt Securities, Amortized Cost Basis | 4,318,500,000 |  | 4,370,500,000
Available-for-sale Debt Securities Gross Unrealized Gain | 407,200,000 |  | 284,200,000
Available-for-sale Debt Securities, Gross Unrealized Loss | (28,500,000) |  | (79,700,000)
Available-for-sale Debt Securities, Fair Value | 4,697,200,000 |  | 4,575,000,000
Available-for-sale Securities, Debt Maturities, Fair Value [Abstract] |  |  |
Other Receivables | 0 |  | 2,500,000
Other Liabilities | 6,800,000 |  | 0
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |  |  |
Less Than 12 Months, Fair Value | 361,400,000 |  | 1,032,400,000
Less Than 12 Months, Unrealized Losses | (4,600,000) |  | (70,500,000)
12 Months or Longer, Fair Value | 632,400,000 |  | 110,700,000
12 Months or Longer, Unrealized Losses | (23,900,000) |  | (9,200,000)
Total, Fair Value | 993,800,000 |  | 1,143,100,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses Accumulated in Investments | (28,500,000) |  | (79,700,000)
US Government and Government Agencies and Authorities [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Available-for-sale Debt Securities, Amortized Cost Basis | 320,400,000 |  | 351,100,000
Available-for-sale Debt Securities Gross Unrealized Gain | 28,500,000 |  | 22,800,000
Available-for-sale Debt Securities, Gross Unrealized Loss | (5,400,000) |  | (11,700,000)
Available-for-sale Debt Securities, Fair Value | 343,500,000 |  | 362,200,000
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |  |  |
Less Than 12 Months, Fair Value | 24,300,000 |  | 95,800,000
Less Than 12 Months, Unrealized Losses | (1,400,000) |  | (10,900,000)
12 Months or Longer, Fair Value | 65,300,000 |  | 4,400,000
12 Months or Longer, Unrealized Losses | (4,000,000) |  | (800,000)
Total, Fair Value | 89,600,000 |  | 100,200,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses Accumulated in Investments | (5,400,000) |  | (11,700,000)
Government National Mortgage Association Certificates and Obligations (GNMA) [Member] |  |  |
Available-for-sale Securities, Debt Maturities, Fair Value [Abstract] |  |  |
Asset-backed Securities Not Due in a Single Maturity Date - Fair Value | 138,300,000 |  |
Federal National Mortgage Association Certificates and Obligations (FNMA) [Member] |  |  |
Available-for-sale Securities, Debt Maturities, Fair Value [Abstract] |  |  |
Asset-backed Securities Not Due in a Single Maturity Date - Fair Value | 9,600,000 |  |
Federal Home Loan Mortgage Corporation Certificates and Obligations (FHLMC) [Member] |  |  |
Available-for-sale Securities, Debt Maturities, Fair Value [Abstract] |  |  |
Asset-backed Securities Not Due in a Single Maturity Date - Fair Value | 300,000 |  |
Other Non-Governmental Issuers [Member] |  |  |
Available-for-sale Securities, Debt Maturities, Fair Value [Abstract] |  |  |
Asset-backed Securities Not Due in a Single Maturity Date - Fair Value | 68,100,000 |  |
States and Political Subdivisions [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Available-for-sale Debt Securities, Amortized Cost Basis | 1,336,000,000 |  | 1,327,400,000
Available-for-sale Debt Securities Gross Unrealized Gain | 107,500,000 |  | 53,800,000
Available-for-sale Debt Securities, Gross Unrealized Loss | (4,300,000) |  | (20,200,000)
Available-for-sale Debt Securities, Fair Value | 1,439,200,000 |  | 1,361,000,000
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |  |  |
Less Than 12 Months, Fair Value | 50,100,000 |  | 222,900,000
Less Than 12 Months, Unrealized Losses | (100,000) |  | (20,100,000)
12 Months or Longer, Fair Value | 154,800,000 |  | 2,000,000
12 Months or Longer, Unrealized Losses | (4,200,000) |  | (100,000)
Total, Fair Value | 204,900,000 |  | 224,900,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses Accumulated in Investments | (4,300,000) |  | (20,200,000)
Bonds and Notes [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Available-for-sale Debt Securities, Amortized Cost Basis | 2,589,400,000 |  | 2,636,400,000
Available-for-sale Debt Securities Gross Unrealized Gain | 268,000,000 |  | 205,000,000
Available-for-sale Debt Securities, Gross Unrealized Loss | (18,400,000) |  | (47,700,000)
Available-for-sale Debt Securities, Fair Value | 2,839,000,000 |  | 2,793,700,000
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |  |  |
Less Than 12 Months, Fair Value | 250,800,000 |  | 699,800,000
Less Than 12 Months, Unrealized Losses | (2,800,000) |  | (39,400,000)
12 Months or Longer, Fair Value | 409,400,000 |  | 103,200,000
12 Months or Longer, Unrealized Losses | (15,600,000) |  | (8,300,000)
Total, Fair Value | 660,200,000 |  | 803,000,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses Accumulated in Investments | (18,400,000) |  | (47,700,000)
Redeemable Preferred Stocks [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Available-for-sale Debt Securities, Amortized Cost Basis | 6,200,000 |  | 6,600,000
Available-for-sale Debt Securities Gross Unrealized Gain | 1,200,000 |  | 800,000
Available-for-sale Debt Securities, Gross Unrealized Loss | 0 |  | 0
Available-for-sale Debt Securities, Fair Value | 7,400,000 |  | 7,400,000
Collateralized Loan Obligations [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Available-for-sale Debt Securities, Amortized Cost Basis | 62,500,000 |  | 44,200,000
Available-for-sale Debt Securities Gross Unrealized Gain | 400,000 |  | 500,000
Available-for-sale Debt Securities, Gross Unrealized Loss | (400,000) |  | 0
Available-for-sale Debt Securities, Fair Value | 62,500,000 |  | 44,700,000
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |  |  |
Less Than 12 Months, Fair Value | 36,200,000 |  |
Less Than 12 Months, Unrealized Losses | (300,000) |  |
12 Months or Longer, Fair Value | 2,200,000 |  |
12 Months or Longer, Unrealized Losses | (100,000) |  |
Total, Fair Value | 38,400,000 |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses Accumulated in Investments | (400,000) |  |
Mortgage and Asset-backed [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Available-for-sale Debt Securities, Amortized Cost Basis | 4,000,000 |  | 4,800,000
Available-for-sale Debt Securities Gross Unrealized Gain | 1,600,000 |  | 1,300,000
Available-for-sale Debt Securities, Gross Unrealized Loss | 0 |  | (100,000)
Available-for-sale Debt Securities, Fair Value | 5,600,000 |  | 6,000,000
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |  |  |
Less Than 12 Months, Fair Value | 0 |  | 13,900,000
Less Than 12 Months, Unrealized Losses | 0 |  | (100,000)
12 Months or Longer, Fair Value | 700,000 |  | 1,100,000
12 Months or Longer, Unrealized Losses | 0 |  | 0
Total, Fair Value | 700,000 |  | 15,000,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses Accumulated in Investments | 0 |  | (100,000)
Equity Securities [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Available for sale Securities, Equity Securities, Cost | 547,300,000 |  | 530,000,000
Available-for-sale Equity Securities, Gross Unrealized Gain | 119,900,000 |  | 74,700,000
Available-for-sale Equity Securities, Gross Unrealized Loss | (5,800,000) |  | (6,200,000)
Available for sale Securities, Equity Securities, Fair Value | 661,400,000 |  | 598,500,000
Available-for-sale Securities, Debt Maturities, Fair Value [Abstract] |  |  |
Other Receivables | 53,400,000 |  | 0
Other Liabilities | 51,300,000 |  | 0
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |  |  |
Less Than 12 Months, Fair Value | 174,500,000 |  | 166,700,000
Less Than 12 Months, Unrealized Losses | (4,100,000) |  | (5,500,000)
12 Months or Longer, Fair Value | 30,000,000 |  | 8,900,000
12 Months or Longer, Unrealized Losses | (1,700,000) |  | (700,000)
Total, Fair Value | 204,500,000 |  | 175,600,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses Accumulated in Investments | (5,800,000) |  | (6,200,000)
Exchange Traded Funds [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Available for sale Securities, Equity Securities, Cost | 125,200,000 |  | 122,000,000
Available-for-sale Equity Securities, Gross Unrealized Gain | 5,200,000 |  | 3,900,000
Available-for-sale Equity Securities, Gross Unrealized Loss | (600,000) |  | (1,000,000)
Available for sale Securities, Equity Securities, Fair Value | 129,800,000 |  | 124,900,000
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |  |  |
Less Than 12 Months, Fair Value | 51,200,000 |  | 67,600,000
Less Than 12 Months, Unrealized Losses | (200,000) |  | (1,000,000)
12 Months or Longer, Fair Value | 14,500,000 |  | 0
12 Months or Longer, Unrealized Losses | (400,000) |  | 0
Total, Fair Value | 65,700,000 |  | 67,600,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses Accumulated in Investments | (600,000) |  | (1,000,000)
Limited Liability Companies and Limited Partnerships [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Available for sale Securities, Equity Securities, Cost | 164,300,000 |  | 150,300,000
Available-for-sale Equity Securities, Gross Unrealized Gain | 55,700,000 |  | 25,200,000
Available-for-sale Equity Securities, Gross Unrealized Loss | (2,300,000) |  | (1,600,000)
Available for sale Securities, Equity Securities, Fair Value | 217,700,000 |  | 173,900,000
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |  |  |
Less Than 12 Months, Fair Value | 74,800,000 |  | 53,100,000
Less Than 12 Months, Unrealized Losses | (2,000,000) |  | (900,000)
12 Months or Longer, Fair Value | 2,400,000 |  | 5,000,000
12 Months or Longer, Unrealized Losses | (300,000) |  | (700,000)
Total, Fair Value | 77,200,000 |  | 58,100,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses Accumulated in Investments | (2,300,000) |  | (1,600,000)
External Credit Rating, Investment Grade [Member] | Fixed Maturities [Member] |  |  |
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |  |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses Accumulated in Investments | (24,700,000) |  | (74,200,000)
External Credit Rating, Non Investment Grade [Member] | Fixed Maturities [Member] |  |  |
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |  |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses Accumulated in Investments | (3,800,000) |  | (5,500,000)
Percentage of Unrealized Loss Postion to Amortized Cost Basis of Available for Sale Security Average | 4.00% |  | 5.00%
Finance, Insurance and Real Estate [Member] | Preferred Stock [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Available for sale Securities, Equity Securities, Cost | 85,500,000 |  | 85,400,000
Available-for-sale Equity Securities, Gross Unrealized Gain | 4,900,000 |  | 2,900,000
Available-for-sale Equity Securities, Gross Unrealized Loss | (1,000,000) |  | (2,500,000)
Available for sale Securities, Equity Securities, Fair Value | 89,400,000 |  | 85,800,000
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |  |  |
Less Than 12 Months, Fair Value | 5,000,000 |  | 22,500,000
Less Than 12 Months, Unrealized Losses | 0 |  | (2,500,000)
12 Months or Longer, Fair Value | 12,100,000 |  | 2,500,000
12 Months or Longer, Unrealized Losses | (1,000,000) |  | 0
Total, Fair Value | 17,100,000 |  | 25,000,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses Accumulated in Investments | (1,000,000) |  | (2,500,000)
All Industries Other than Finance, Insurance and Real Estate [Member] | Preferred Stock [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Available for sale Securities, Equity Securities, Cost | 20,200,000 |  | 20,100,000
Available-for-sale Equity Securities, Gross Unrealized Gain | 5,600,000 |  | 4,400,000
Available-for-sale Equity Securities, Gross Unrealized Loss | (100,000) |  | (100,000)
Available for sale Securities, Equity Securities, Fair Value | 25,700,000 |  | 24,400,000
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |  |  |
Less Than 12 Months, Fair Value | 700,000 |  | 4,300,000
Less Than 12 Months, Unrealized Losses | (100,000) |  | (100,000)
12 Months or Longer, Fair Value | 700,000 |  | 700,000
12 Months or Longer, Unrealized Losses | 0 |  | 0
Total, Fair Value | 1,400,000 |  | 5,000,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses Accumulated in Investments | (100,000) |  | (100,000)
2000 to 3999 Manufacturing [Member] | Common Stocks [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Available for sale Securities, Equity Securities, Cost | 84,800,000 |  | 83,400,000
Available-for-sale Equity Securities, Gross Unrealized Gain | 25,900,000 |  | 21,300,000
Available-for-sale Equity Securities, Gross Unrealized Loss | (1,100,000) |  | (100,000)
Available for sale Securities, Equity Securities, Fair Value | 109,600,000 |  | 104,600,000
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |  |  |
Less Than 12 Months, Fair Value | 30,800,000 |  | 5,000,000
Less Than 12 Months, Unrealized Losses | (1,100,000) |  | (100,000)
12 Months or Longer, Fair Value | 300,000 |  | 200,000
12 Months or Longer, Unrealized Losses | 0 |  | 0
Total, Fair Value | 31,100,000 |  | 5,200,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses Accumulated in Investments | (1,100,000) |  | (100,000)
All Industries Other than Manufacturing [Member] | Common Stocks [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Available for sale Securities, Equity Securities, Cost | 67,300,000 |  | 68,800,000
Available-for-sale Equity Securities, Gross Unrealized Gain | 22,600,000 |  | 17,000,000
Available-for-sale Equity Securities, Gross Unrealized Loss | (700,000) |  | (900,000)
Available for sale Securities, Equity Securities, Fair Value | 89,200,000 |  | 84,900,000
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |  |  |
Less Than 12 Months, Fair Value | 12,000,000 |  | 14,200,000
Less Than 12 Months, Unrealized Losses | (700,000) |  | (900,000)
12 Months or Longer, Fair Value | 0 |  | 500,000
12 Months or Longer, Unrealized Losses | 0 |  | 0
Total, Fair Value | 12,000,000 |  | 14,700,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses Accumulated in Investments | $ (700,000) |  | $ (900,000)

X
- Definition Available For Sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Securities that have had Recognized Credit Losses in Earnings, Aggregate Losses + References No definition available. + Details
Name: | kmpr_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerSecuritiesThatHaveHadRecognizedCreditLossesInEarningsAggregateLosses
Namespace Prefix: | kmpr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Available-for-sale-Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Securities that have had Recognized Credit Losses in Earnings, Aggregate Losses + References No definition available. + Details
Name: | kmpr_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsSecuritiesThatHaveHadRecognizedCreditLossesInEarningsAggregateLosses
Namespace Prefix: | kmpr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investments reported under the Fair Value Option method of accounting. + References No definition available. + Details
Name: | kmpr_FairValueOptionInvestments
Namespace Prefix: | kmpr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The cash outflow to acquire Fair Value Option Investments + References No definition available. + Details
Name: | kmpr_PaymentstoAcquireFairValueOptionInvestments
Namespace Prefix: | kmpr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Percentage of Unrealized Loss Postion to Amortized Cost Basis of Available for Sale Security Average + References No definition available. + Details
Name: | kmpr_PercentageOfUnrealizedLossPostionToAmortizedCostBasisOfAvailableForSaleSecurityAverage
Namespace Prefix: | kmpr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Cash inflow associated with the sale of Fair Value Option Investments + References No definition available. + Details
Name: | kmpr_ProceedsfromSalesofFairValueOptionInvestments
Namespace Prefix: | kmpr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt securities classified as available-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt securities classified as available-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This item represents the cost of debt securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in equity securities classified as available-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in equity securities classified as available-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedLossBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This item represents the cost of equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments for other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleEquitySecuritiesAmortizedCostBasis
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for twelve months or longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27337-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale in a continuous loss position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27337-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for less than twelve months. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27337-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for less than twelve months. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27337-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for twelve months or longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27337-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtMaturitiesFairValueAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount after adjustments of available-for-sale debt securities at cost, maturing in the next rolling twelve months following the latest balance sheet. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings less cumulative-effect adjustments and fair value hedge accounting adjustments. 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: | us-gaap_AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of available-for-sale 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: | us-gaap_AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount after adjustments of available-for-sale debt securities at cost, maturing after the tenth rolling twelve months following the latest balance sheet. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings less cumulative-effect adjustments, and fair value hedge accounting adjustments. 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: | us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of available-for-sale 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: | us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount after adjustments of available-for-sale debt securities at cost, maturing in the sixth through tenth rolling twelve months following the latest balance sheet. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings less cumulative-effect adjustments, and fair value hedge accounting adjustments. 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: | us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of available-for-sale 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: | us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount after adjustments of available-for-sale debt securities at cost, maturing in the second through fifth rolling twelve months following the latest balance sheet. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings less cumulative-effect adjustments, and fair value hedge accounting adjustments. 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: | us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of available-for-sale 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: | us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of available-for-sale debt securities at cost, net of adjustments, that do not have a single maturity date and which the entity has decided to disclose separately rather than allocating the cost over several maturity groupings. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings (less any cumulative-effect adjustments, as defined) and fair value hedge accounting adjustments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27198-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of available-for-sale debt securities at fair value that do not have a single maturity date and which the entity has decided to disclose separately rather than allocating the fair value over several maturity groupings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27198-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of debt securities categorized neither as held-to-maturity nor trading. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28360136&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26610-111562 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 2 -Subparagraph (b)-(g) -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62557-112803 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of equity securities categorized neither as held-to-maturity nor as trading. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28360136&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26610-111562 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62557-112803 + Details
Name: | us-gaap_AvailableForSaleSecuritiesEquitySecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The aggregate carrying amount, as of the balance sheet date, of liabilities not separately disclosed in the balance sheet. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Article 9 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_OtherLiabilities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Carrying amounts due as of the balance sheet date from parties or arising from transactions not otherwise specified in the taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.8) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 8 -Article 5 + Details
Name: | us-gaap_OtherReceivables
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration