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Property and Casualty Insurance Activity (Details) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Premiums Written
Direct	$ 38,129,117	$ 36,696,929
Assumed	0	0
Ceded	7,329,507	13,506,255
Net	30,799,610	23,190,674
Changes In Unearned Premiums
Direct	3,789,478	5,904,700
Assumed	0	0
Ceded	130	2,153,924
Net	3,789,608	3,750,776
Premiums Earned
Direct	41,918,595	42,601,629
Assumed	0	0
Ceded	7,329,377	15,660,179
Net	$ 34,589,218	$ 26,941,450

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- Definition

Custom Element.

+ References

No definition available.

+ Details

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Namespace Prefix:	kins_
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Balance Type:	debit
Period Type:	duration

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- Definition

Custom Element.

+ References

No definition available.

+ Details

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Namespace Prefix:	kins_
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Period Type:	duration

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- Definition

Custom Element.

+ References

No definition available.

+ Details

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Namespace Prefix:	kins_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Custom Element.

+ References

No definition available.

+ Details

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Namespace Prefix:	kins_
Data Type:	xbrli:monetaryItemType
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- Details

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Namespace Prefix:
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Period Type:

X

- Details

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Period Type:

X

- Details

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Namespace Prefix:
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