Adverse development coverage

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- Definition

Affiliated quota share reinsurance agreements, aggregate limit.

+ References

No definition available.

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- Definition

Investment Owned, Shares, Shares Received in Ecxhange from Affiliated Entity for Transfer

+ References

No definition available.

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- Definition

Investment Owned, Shares, Transferred to Affiliated Entity

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No definition available.

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- Definition

Preferred Stock Par Value

+ References

No definition available.

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- Definition

Subject loss reserves

+ References

No definition available.

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- Definition

The amount of interest income and other income recognized during the period. Included in this element is interest derived from investments in debt securities, cash and cash equivalents, and other investments which reflect the time value of money or transactions in which the payments are for the use or forbearance of money and other income from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business).

+ References

No definition available.

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- Definition

Value of the investment at close of period. For schedules of investments that are categorized, the value would be aggregated by category. For investment in and advances to affiliates, if operations of any controlled companies are different in character from those of the company, group such affiliates within divisions and by type of activities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Balance held at close of period in number of shares.

+ References

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- Definition

For an unclassified balance sheet, amounts due from parties associated with the reporting entity as evidenced by a written promise to pay.

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- Definition

The percentage rate used to calculate dividend payments on preferred stock.

+ References

No definition available.

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- Definition

Yield on the receivable, on which interest has been imputed, as calculated from its issuance value or purchase price. The calculated effective interest rate considers factors such as the issued face value or price paid for the receivable, the time period between payments, and the time until maturity [full receipt] of the receivable.

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

Amount of transactions with related party during the financial reporting period.

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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.

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No definition available.

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Related-Party Transactions (Narrative) (Details) - USD ($) $ in Thousands			1 Months Ended	3 Months Ended		6 Months Ended		12 Months Ended
	Aug. 05, 2021	Dec. 17, 2019	Dec. 31, 2015	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2019	Dec. 31, 2017	Dec. 31, 2020	Mar. 31, 2011
Related Party Transaction [Line Items]
Note Receivable - affiliated				$ 300,000		$ 300,000				$ 300,000
Shares purchased and held											9,719,971
Shares transferred to affiliated entity			9,719,971
Shares fair value			$ 1,773,214
Shares received in exchange from affiliated entity for transfer			1,773,214
Preferred shares par value			$ 1,000
Annual dividend rate			1.75%
Amount transferred									$ 1,000,000
Subject loss reserves									2,336,242
Reinsurance recoverables - affiliated				2,434,943		2,434,943				2,701,655
Bermuda Re [Member]
Related Party Transaction [Line Items]
Reinsurance recoverables - affiliated				883,428		883,428				$ 886,350
Note Agreement - Maturing December 2028 [Member] \| Note Payable - Affiliated [Member] \| Everest Re Group, Ltd. [Member]
Related Party Transaction [Line Items]
Note Receivable - affiliated		$ 300,000
Note receivable interest rate		1.69%
Interest income				$ 1,281	$ 1,281	$ 2,549	$ 2,563
Note Agreement - Maturing August 2030 [Member] \| Note Payable - Affiliated [Member] \| Everest Re Group, Ltd. [Member] \| Subsequent Event [Member]
Related Party Transaction [Line Items]
Note Receivable - affiliated	$ 200,000
Note receivable interest rate	1.00%
Bermuda Re [Member]
Related Party Transaction [Line Items]
Amount transferred									970,000
Adverse development coverage									$ 500,000
Catastrophe Reinsurance [Member] \| Bermuda Re [Member] \| Everest Re Group, Ltd. [Member]
Related Party Transaction [Line Items]
Reinsurance agreement								$ 100,000