XML 45 R33.htm IDEA: XBRL DOCUMENT
v3.21.2

Investments (Details 2) - USD ($) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2021 | Dec. 31, 2020
Estimated fair value | $ 6,983,057 | $ 3,518,626
Other Investments [Member] |  |
Cost | 4,106,473 | 2,149,381
Gross gains | 2,876,584 | 1,369,245
Estimated fair value | 6,983,057 | 3,518,626
Hedge Fund [Member] |  |
Cost | 3,999,381 | 1,999,381
Gross gains | 2,876,584 | 1,369,245
Estimated fair value | 6,875,965 | 3,368,626
Real Estate Limited Partnership [Member] |  |
Cost | 107,092 | 150,000
Gross gains | 150,000 | 0
Estimated fair value | 107,092 | 0
Equity Securities [Member] |  |
Cost | 32,679,724 | 32,571,166
Gross gains | 3,746,947 | 2,673,789
Gross losses | (108,740) | 831,642
Estimated fair value | 36,317,931 | 34,413,313
Preferred Stock [Member] |  |
Cost | 18,344,078 | 18,097,942
Gross gains | 1,626,038 | 853,277
Gross losses | (87,248) | 426,942
Estimated fair value | 19,882,868 | 18,524,277
Common stock, mutual fund and exchange traded funds [Member] |  |
Cost | 14,335,646 | 14,473,224
Gross gains | 2,120,909 | 1,820,512
Gross losses | (21,492) | 404,700
Estimated fair value | $ 16,435,063 | $ 15,889,036

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

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

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

X
- Definition Amount of investments classified as other. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(f,g)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_OtherInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_OtherInvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

X
- Details
Name: | us-gaap_CollateralAxis=us-gaap_EquitySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=kins_PreferredStockEquitySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=kins_CommonStockMutualFundAndExchangeTradeFundEquitySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |