XML 43 R30.htm IDEA: XBRL DOCUMENT
v3.23.2

Nature of Business (Details Narrative) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Nature of Business (Details Narrative) |  |  |  |
Direct written premiums, percentage | 88.60% | 79.80% | 87.80% | 80.20%

X
- References No definition available. + Details
Name: | king_DirectWrittenPremiumsPercentage
Namespace Prefix: | king_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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