XML 43 R32.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Investments (Details) - USD ($) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2022 | Dec. 31, 2021
Fixed-Maturity Securities Political Subdivisions Of States Territories And Possessions [Member] |  |
Cost or amortized cost | $ 17,218,274 | $ 17,236,750
Gross unrealized gains | 0 | 246,748
Gross unrealized losses - less than 12 months | (3,020,486) | (197,984)
Gross unrealized loss - more than 12 months | 0 | 0
Estimated fair value | 14,197,788 | 17,285,514
Net unrealized gains | (3,020,486) | 48,764
Fixed-Maturity Securities Corporate And Other Bonds Industrial And Miscellaneous [Member] |  |
Cost or amortized cost | 84,235,861 | 80,534,769
Gross unrealized gains | 9,782 | 2,603,411
Gross unrealized losses - less than 12 months | (6,562,506) | (126,926)
Gross unrealized loss - more than 12 months | 0 | 0
Estimated fair value | 77,683,137 | 83,011,254
Net unrealized gains | (6,552,724) | 2,476,485
Fixed Maturity Securities Residential Mortgage and other asset backed securities [Member] |  |
Cost or amortized cost | 55,228,980 | 58,036,959
Gross unrealized gains | 114,844 | 355,985
Gross unrealized losses - less than 12 months | (5,387,294) | (489,258)
Gross unrealized loss - more than 12 months | (339,668) | (120,344)
Estimated fair value | 49,616,862 | 57,783,342
Net unrealized gains | (5,612,118) | (253,617)
Fixed Maturity Securities Total Fixed Maturity Securities [Member] |  |
Cost or amortized cost | 156,683,115 | 155,808,478
Gross unrealized gains | 124,626 | 3,206,144
Gross unrealized losses - less than 12 months | (14,970,286) | (814,168)
Gross unrealized loss - more than 12 months | (339,668) | (120,344)
Estimated fair value | 141,497,787 | 158,080,110
Net unrealized gains | $ (15,185,328) | $ 2,271,632

X
- References No definition available. + Details
Name: | king_AvailableForSaleSecuritiesContinuousGrossUnrealizedLossPosition12MonthsOrLongerLosses
Namespace Prefix: | king_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | king_AvailableForSaleSecuritiesContinuousGrossUnrealizedLossPositionLessThan12MonthsLosses
Namespace Prefix: | king_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | king_AvailableForSaleSecuritiesFairValueDisclosure1
Namespace Prefix: | king_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesAmortizedCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of unrealized gain before deducting unrealized loss on investments in debt and equity securities classified as available-for-sale securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=king_FixedMaturitySecuritiesPoliticalSubdivisionsOfStatesTerritoriesAndPossessionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=king_FixedMaturitySecuritiesCorporateAndOtherBondsIndustrialAndMiscellaneousMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=king_FixedMaturitySecuritiesMortgageBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=king_FixedMaturitySecuritiesTotalFixedMaturitySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |