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v3.19.1

6. Property and Casualty Insurance Activity (Details Narrative) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2019 USD ($) Number | Mar. 31, 2018 USD ($) | Dec. 31, 2018 USD ($) Number
Insurance [Abstract] |  |  |
Advance premiums | $ 3,064,413 |  | $ 2,107,629
Incurred Losses and Loss Adjustment Expenses are net of reinsurance recoveries under reinsurance contracts | 3,135,894 | $ 5,612,056 |
Prior year loss development | $ 4,478,249 | $ (101,230) |
Net contingent ceding commissions payable | Number | 1,643,000 |  | 1,581,000

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

X
- Definition Custom Element. + References No definition available. + Details
Name: | KINS_CommercialAutoPoliciesInForce
Namespace Prefix: | KINS_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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

X
- Definition Excess (deficiency) of net proceeds received over the net carrying value of a certain, bundled grouping of insurance policies. + References No definition available. + Details
Name: | us-gaap_GainLossOnSaleOfInsuranceBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_InsuranceAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration