Reinsurance Reinsurance Balances (Details)	12 Months Ended
Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Concentration Risk [Line Items]
Reinsurance recoverable for unpaid losses	$ 69,792,000	$ 55,389,000	$ 48,224,000
Reinsurance recoverable for paid losses	2,800,000	1,400,000
Reinsurance Recoverable, Allowance for Credit Loss	0	0
Ceded unearned premiums	$ 16,118,000	$ 16,072,000
Reinsurance Receivable, Net [Member] \| Major Reinsurers [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	88.80%
Number of Major Reinsurers	5

Refers to number of major reinsures of the organization.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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- Definition

The unexpired portion of premiums ceded on policies in force as of the balance sheet date.

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- Definition

Amount, after valuation allowance, recoverable under reinsurance contracts for losses reported to the ceding insurer but not yet paid and amounts expected for incurred losses and settlement expenses, which have not yet been reported to the ceding insurer.

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Amount of allowance for credit loss on reinsurance recoverable.

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Amount, after valuation allowance, recoverable under reinsurance contracts for losses reported to and paid by the ceding insurer.

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