XML 66 R56.htm IDEA: XBRL DOCUMENT
v3.25.3

Property and Casualty Insurance Activity - Schedule Of Ceding Commission Revenue (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Property and Casualty Insurance Activity |  |  |  |
Provisional ceding commissions earned | $ 3,555,260 | $ 4,742,557 | $ 10,195,169 | $ 13,859,795
Contingent ceding commissions earned | 1,345,141 | (881) | 745,479 | 10,953
Total commissions earned | $ 4,900,401 | $ 4,741,676 | $ 10,940,648 | $ 13,870,748

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