Investments maturity period using default rate.

No definition available.

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- Definition

Percentage of comparable consolidated amount.

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No definition available.

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- Definition

reinsurance recoverables current credit rating period.

+ References

No definition available.

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- Definition

Reinsurance treaty term to be commuted by end of current credit rating period.

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No definition available.

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- Definition

Trading price of securities excluded from watch list.

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- Definition

Trading securities, par value per share.

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No definition available.

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- Definition

Amount of the cumulative effect on retained earnings net of related income tax effect.

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- Definition

Amount of allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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- Definition

Amount at purchase price of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), purchased with credit deterioration.

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- Definition

Amount of allowance for credit loss for debt security measured at amortized cost (held-to-maturity).

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- Definition

Amount at purchase price of investment in debt security measured at amortized cost (held-to-maturity), purchased with credit deterioration.

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- Definition

Amount at purchase price of financing receivable purchased with credit deterioration.

+ References

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- Definition

Threshold period for when financing receivable is considered past due to write off as uncollectible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

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.

+ References

No definition available.

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- Definition

Amount of other-than-temporary impairment (OTTI) on investment in debt security, recognized in earnings.

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- Definition

Amount of allowance for credit loss on reinsurance recoverable.

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Basis of Presentation - Additional Information (Detail) - USD ($)		3 Months Ended
	Jan. 01, 2020	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Percentage of comparable consolidated amounts		95.00%	95.00%
Credit allowance for held-to-maturity fixed income securities		$ 275,000		$ 0
Credit allowance for reinsurance recoverables		449,000		0
Available-for-sale securities, credit allowance		$ 0		$ 0
Trading securities, par value per share		$ 100
Reinsurance recoverables, current credit rating period		10 years
Reinsurance treaty term to be commuted by end of current credit rating period		3 years
Other-than-temporary impairment loss, debt securities, portion recognized in earnings		$ 0
Financial assets purchased with credit deterioration, financing receivable		0
Financial assets purchased with credit deterioration, held-to-maturity debt securities		0
Financial assets purchased with credit deterioration, available-for-sale debt securities		$ 0
Threshold period for writing off balances receivable		90 days
Minimum [Member]
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Trading price of securities excluded from watch list		$ 95
Corporate Fixed Income Securities [Member] \| Maximum [Member]
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Investments maturity period using default rate		20 years
Municipal Fixed Income Securities [Member] \| Maximum [Member]
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Investments maturity period using default rate		20 years
ASU 2016-13 [Member]
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Net decrease to retained earnings, cumulative effect	$ 594,000
Credit allowance for held-to-maturity fixed income securities	243,000
Credit allowance for reinsurance recoverables	$ 351,000