XML 66 R56.htm IDEA: XBRL DOCUMENT
v3.26.1

Property and Casualty Insurance Activity - Schedule Of Ceding Commission Revenue (Details) - USD ($) | 3 Months Ended
--- | ---
Mar. 31, 2026 | Mar. 31, 2025
Property and Casualty Insurance Activity |  |
Provisional ceding commissions earned | $ 1,276,750 | $ 3,252,404
Contingent ceding commissions earned | 127,126 | (293,713)
Total commissions earned | $ 1,403,876 | $ 2,958,691

X
- Definition Contingent ceding commissions earned + References No definition available. + Details
Name: | king_ContingentCedingCommissionsEarned
Namespace Prefix: | king_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Property and Casualty Insurance Activity + References No definition available. + Details
Name: | king_PropertyAndCasualtyInsuranceActivityAbstract
Namespace Prefix: | king_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Total commissions earned + References No definition available. + Details
Name: | king_TotalCommissionsEarned
Namespace Prefix: | king_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The expense incurred by an insurance company to persons or entities for generating or placing insurance or investment contracts with the company, usually determined as a percentage of policy or contract premiums. Excludes advances or draws to be applied against commissions earned. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(7)(a)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1 + Details
Name: | us-gaap_InsuranceCommissions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration