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Property and Casualty Insurance Activity (Details 1) - USD ($) | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Property and Casualty Insurance Activity |  |
Balance at beginning of period | $ 121,817,862 | $ 118,339,513
Less reinsurance recoverables | (33,288,650) | (27,659,500)
Net balance, beginning of period | 88,529,212 | 90,680,013
Incurred related to: |  |
Current year | 18,425,855 | 25,042,531
Prior years | (566,268) | (3,121)
Total incurred | 17,859,587 | 25,039,410
Paid related to: |  |
Current year | 4,671,653 | 5,886,288
Prior years | 11,942,843 | 16,116,681
Total paid | 16,614,496 | 22,002,969
Net balance at end of period | 89,774,303 | 93,716,454
Add reinsurance recoverables | 32,724,136 | 30,405,364
Balance at end of period | $ 122,498,439 | $ 124,121,818

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

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

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- References No definition available. + Details
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Period Type: | duration

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- References No definition available. + Details
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Period Type: | duration

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- References No definition available. + Details
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- References No definition available. + Details
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Balance Type: | debit
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- References No definition available. + Details
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Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | king_
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Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
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Balance Type: | debit
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Balance Type: | debit
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- References No definition available. + Details
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Namespace Prefix: | king_
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- References No definition available. + Details
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- References No definition available. + Details
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X
- Definition The increase (decrease) in property and casualty insurance liabilities balances during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (a) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 + Details
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