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v3.20.1

11. Property and Casualty Insurance Activity (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Premiums Written |  |
Direct | $ 171,214,091 | $ 146,716,468
Assumed | 939 | 1,004
Ceded | (45,635,899) | (26,923,679)
Net | 125,579,131 | 119,793,793
Changes In Unearned Premiums |  |
Direct | (11,350,864) | (13,388,535)
Assumed | (243) | 4,067
Ceded | 13,395,418 | (2,994,610)
Net | 2,044,311 | (16,379,078)
Premiums Earned |  |
Direct | 159,863,227 | 133,327,933
Assumed | 696 | 5,071
Ceded | (32,240,481) | (29,918,289)
Net | $ 127,623,442 | $ 103,414,715

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- Definition Custom Element. + References No definition available. + Details
Name: | KINS_AssumedPropertyAndCasultyInsuranceActivity
Namespace Prefix: | KINS_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Custom Element. + References No definition available. + Details
Name: | KINS_CededPropertyAndCasultyInsuranceActivity
Namespace Prefix: | KINS_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Custom Element. + References No definition available. + Details
Name: | KINS_DirectPropertyAndCasultyInsuranceActivity
Namespace Prefix: | KINS_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Custom Element. + References No definition available. + Details
Name: | KINS_NetPropertyAndCasultyInsuranceActivity
Namespace Prefix: | KINS_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_ReinsurancePolicyTypeAxis=KINS_PremiumsWrittenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ReinsurancePolicyTypeAxis=KINS_ChangesInUnearnedPremiumsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ReinsurancePolicyTypeAxis=KINS_PremiumsEarnedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |