XML 53 R40.htm IDEA: XBRL DOCUMENT
v3.23.2

Fair Value Measurements (Details) - USD ($) | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
U.S. Treasury securities and obligations of U.S. government corporations and agencies | $ 8,133,547 | $ 23,869,096
Political subdivisions of states, territories and possessions | 13,597,167 | 13,141,387
Corporate and other bonds industrial and miscellaneous | 71,409,037 | 72,082,485
Residential mortgage and other asset backed securities | 44,715,366 | 45,622,195
Total fixed maturities | 137,855,117 | 154,715,163
Equity securities | 14,410,482 | 13,834,390
Total investments | 152,265,599 | 168,549,553
Level 1 [Member] |  |
U.S. Treasury securities and obligations of U.S. government corporations and agencies | 8,133,547 | 23,869,096
Political subdivisions of states, territories and possessions | 0 | 0
Corporate and other bonds industrial and miscellaneous | 71,409,037 | 71,585,115
Residential mortgage and other asset backed securities | 0 | 0
Total fixed maturities | 79,542,584 | 95,454,211
Equity securities | 14,410,482 | 13,834,390
Total investments | 93,953,066 | 109,288,601
Level 2 [Member] |  |
U.S. Treasury securities and obligations of U.S. government corporations and agencies | 0 | 0
Political subdivisions of states, territories and possessions | 13,597,167 | 13,141,387
Corporate and other bonds industrial and miscellaneous | 0 | 497,370
Residential mortgage and other asset backed securities | 44,715,366 | 45,622,195
Total fixed maturities | 58,312,533 | 59,260,952
Equity securities | 0 | 0
Total investments | 58,312,533 | 59,260,952
Level 3 [Member] |  |
U.S. Treasury securities and obligations of U.S. government corporations and agencies | 0 | 0
Political subdivisions of states, territories and possessions | 0 | 0
Corporate and other bonds industrial and miscellaneous | 0 | 0
Residential mortgage and other asset backed securities | 0 | 0
Total fixed maturities | 0 | 0
Equity securities | 0 | 0
Total investments | $ 0 | $ 0

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

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

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

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

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

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

X
- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_AssetsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |