XML 64 R51.htm IDEA: XBRL DOCUMENT
v3.23.2

Property and Casualty Insurance Activity (Details 7) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Property and Casualty Insurance Activity |  |  |  |
Provisional ceding commissions earned | $ 5,294,025 | $ 4,692,931 | $ 10,740,833 | $ 9,234,464
Contingent ceding commissions earned | 118,185 | 22,656 | 116,784 | 162,519
Total commissions earned | $ 5,412,210 | $ 4,715,587 | $ 10,857,617 | $ 9,396,983

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

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

X
- 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//1943274/2147483586/944-220-S99-1 + Details
Name: | us-gaap_InsuranceCommissions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration