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v3.19.3

6. Property and Casualty Insurance Activity (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Premiums Written [Member] |  |  |  |
Direct | $ 46,023,290 | $ 38,785,453 | $ 128,333,117 | $ 107,175,413
Assumed | 861 | 18 | 938 | 842
Ceded | (5,586,278) | (2,683,699) | (20,914,074) | (19,409,423)
Net | 40,437,873 | 36,101,772 | 107,419,981 | 87,766,832
Changes In Unearned Premiums [Member] |  |  |  |
Direct | (4,579,777) | (4,435,174) | (11,035,993) | (9,930,503)
Assumed | (761) | 698 | (559) | 3,762
Ceded | (1,637,325) | (4,133,389) | (1,366,251) | (3,363,953)
Net | (6,217,863) | (8,567,865) | (12,402,803) | (13,290,694)
Premiums Earned [Member] |  |  |  |
Direct | 41,443,513 | 34,350,279 | 117,297,124 | 97,244,910
Assumed | 100 | 716 | 379 | 4,604
Ceded | (7,223,603) | (6,817,088) | (22,280,325) | (22,773,376)
Net | $ 34,220,010 | $ 27,533,907 | $ 95,017,178 | $ 74,476,138

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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

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- 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: |