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v3.19.2

6. Property and Casualty Insurance Activity (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Premiums Written [Member] |  |  |  |
Direct | $ 44,821,279 | $ 36,863,677 | $ 82,309,827 | $ 68,389,960
Assumed | 111 | 488 | 77 | 824
Ceded | (8,199,887) | (8,899,489) | (15,327,796) | (16,725,724)
Net | 36,621,503 | 27,964,676 | 66,982,108 | 51,665,060
Changes In Unearned Premiums [Member] |  |  |  |
Direct | (5,828,149) | (4,486,460) | (6,456,216) | (5,495,329)
Assumed | 7 | 1,163 | 202 | 3,064
Ceded | 407,918 | 625,235 | 271,074 | 769,436
Net | (5,420,224) | (3,860,062) | (6,184,940) | (4,722,829)
Premiums Earned [Member] |  |  |  |
Direct | 38,993,130 | 32,377,217 | 75,853,611 | 62,894,631
Assumed | 118 | 1,651 | 279 | 3,888
Ceded | (7,791,969) | (8,274,254) | (15,056,722) | (15,956,288)
Net | $ 31,201,279 | $ 24,104,614 | $ 60,797,168 | $ 46,942,231

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

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

X
- 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: |