XML 58 R47.htm IDEA: XBRL DOCUMENT
v3.21.1

Property and Casualty Insurance Activity (Details 3) $ in Thousands | Mar. 31, 2021 USD ($)
--- | ---
2020 | $ 46,451
2012 | 10,533
2013 | 10,133
2014 | 15,497
2015 | 22,201
2016 | 25,310
2017 | 31,831
2018 | 50,921
2019 | 55,822
Total | 275,987
Net liability for unpaid claim and allocated claim adjustment expenses for the accident years presented | 64,564
All outstanding liabilities before 2011, net of reinsurance | 114
Liabilities for claims and claim adjustment expenses, net of reinsurance | 64,678
2021 | 7,287
Two Thousand Twelve Member |
2012 | 3,950
Two Thousand Thirteen Member |
2012 | 5,770
2013 | 3,405
Two Thousand Fourteen Member |
2012 | 7,127
2013 | 5,303
2014 | 5,710
Two Thousand Fifteen Member |
2012 | 8,196
2013 | 6,633
2014 | 9,429
2015 | 12,295
Two Thousand Sixteen Member |
2012 | 9,187
2013 | 7,591
2014 | 10,738
2015 | 16,181
2016 | 15,364
Two Thousand Seventeen Member |
2012 | 10,236
2013 | 8,407
2014 | 11,770
2015 | 18,266
2016 | 19,001
2017 | 16,704
Two Thousand Eighteen Member |
2012 | 10,323
2013 | 9,056
2014 | 13,819
2015 | 19,984
2016 | 21,106
2017 | 24,820
2018 | 32,383
Two Thousand Nineteen Member |
2012 | 10,428
2013 | 9,717
2014 | 14,901
2015 | 21,067
2016 | 23,974
2017 | 28,693
2018 | 44,516
2019 | 40,933
Two Thousand Twenty Member |
2020 | 39,045
2012 | 10,451
2013 | 10,016
2014 | 15,491
2015 | 22,104
2016 | 25,234
2017 | 31,393
2018 | 50,553
2019 | $ 54,897

X
- References No definition available. + Details
Name: | kins_AllOutstandingLiabilitiesBefore2011NetOfReinsurance
Namespace Prefix: | kins_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | kins_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2012
Namespace Prefix: | kins_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | kins_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2013
Namespace Prefix: | kins_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | kins_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2014
Namespace Prefix: | kins_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | kins_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2015
Namespace Prefix: | kins_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | kins_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2016
Namespace Prefix: | kins_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | kins_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2017
Namespace Prefix: | kins_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | kins_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2018
Namespace Prefix: | kins_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | kins_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2019
Namespace Prefix: | kins_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | kins_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2021
Namespace Prefix: | kins_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | kins_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseFor2020
Namespace Prefix: | kins_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Liability as of the balance sheet date for amounts representing estimated cost of settling unpaid claims under the terms of the underlying insurance policies, less estimated reinsurance recoveries on such claims. This includes an estimate for claims which have been incurred but not reported. Claim adjustment expenses represent the costs estimated to be incurred in the settlement of unpaid claims. + 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(13)(a)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (cc) -URI http://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437 + Details
Name: | us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount, after reinsurance, of paid claims and allocated claim adjustment expense used in claims development for short-duration insurance contracts. Excludes unallocated claim adjustment expense. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 4B -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=116884468&loc=SL65671311-158438 + Details
Name: | us-gaap_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Undiscounted amount, after reinsurance, of the liability for unpaid claims and allocated claim adjustment expense for short-duration insurance contracts for accident years not separately presented in claim development information. Excludes unallocated claim adjustment expense. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=116884468&loc=SL65671311-158438 + Details
Name: | us-gaap_ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNetNotSeparatelyPresented
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | srt_RangeAxis=kins_TwoThousandTwelveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=kins_TwoThousandThirteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=kins_TwoThousandFourteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=kins_TwoThousandFifteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=kins_TwoThousandSixteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=kins_TwoThousandSeventeenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=kins_TwoThousandEighteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=kins_TwoThousandNineteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=kins_TwoThousandTwentyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |