XML 46 R34.htm IDEA: XBRL DOCUMENT
v3.21.2

Investments (Details 3) - USD ($) | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Net unrealized gains | $ 635,518 | $ 826,009
Estimated fair value | 10,458,317 | 8,194,824
Gross unrealized loss - more than 12 months | 0 | 0
Gross unrealized losses - less than 12 months | (6,264) | 0
Gross unrealized gains | 641,782 | 826,009
Cost or amortized cost | 9,822,799 | 7,368,815
Exchange Traded Debt [Member] |  |
Net unrealized gains | 33,605 |
Estimated fair value | 982,747 |
Gross unrealized loss - more than 12 months | 0 |
Gross unrealized losses - less than 12 months | (1,684) |
Gross unrealized gains | 35,289 |
Cost or amortized cost | 949,142 |
Fixed-Maturity Securities Political Subdivisions Of States Territories And Possessions [Member] |  |
Net unrealized gains | 36,789 | 50,917
Estimated fair value | 1,035,125 | 1,049,345
Gross unrealized loss - more than 12 months | 0 | 0
Gross unrealized losses - less than 12 months | 0 | 0
Gross unrealized gains | 36,789 | 50,917
Cost or amortized cost | 998,336 | 998,428
Held-to-Maturity Securities US Treasury Securities [Member] |  |
Net unrealized gains | 211,439 | 319,714
Estimated fair value | 941,057 | 1,049,309
Gross unrealized loss - more than 12 months | 0 | 0
Gross unrealized losses - less than 12 months | 0 | 0
Gross unrealized gains | 211,439 | 319,714
Cost or amortized cost | 729,618 | 729,595
Fixed-Maturity Securities Corporate And Other Bonds Industrial And Miscellaneous [Member] |  |
Net unrealized gains | 353,685 | 455,378
Estimated fair value | 7,499,388 | 6,096,170
Gross unrealized loss - more than 12 months | 0 | 0
Gross unrealized losses - less than 12 months | (4,580) | 0
Gross unrealized gains | 358,265 | 455,378
Cost or amortized cost | $ 7,145,703 | $ 5,640,792

X
- References No definition available. + Details
Name: | kins_CostOrAmortizedCost
Namespace Prefix: | kins_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | kins_FairValue1
Namespace Prefix: | kins_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | kins_GrossUnrealizedGains
Namespace Prefix: | kins_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | kins_GrossUnrealizedLosseslessThan12Months
Namespace Prefix: | kins_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | kins_GrossUnrealizedLossmoreThan12Months
Namespace Prefix: | kins_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | kins_NetUnrealizedGainslosses1
Namespace Prefix: | kins_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Details
Name: | us-gaap_InformationByCategoryOfDebtSecurityAxis=kins_FixedMaturitySecuritiesPoliticalSubdivisionsOfStatesTerritoriesAndPossessionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InformationByCategoryOfDebtSecurityAxis=kins_HeldToMaturitySecuritiesUSTreasurySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InformationByCategoryOfDebtSecurityAxis=kins_FixedMaturitySecuritiesCorporateAndOtherBondsIndustrialAndMiscellaneousMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |