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Derivative Instruments (Tables)

12 Months Ended

Dec. 31, 2022

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Summarized Information on Location and Gross Amount of Derivatives on Consolidated Balance Sheets

The following table summarizes information on the location and the gross amount of the derivatives on the consolidated balance sheets as of December 31, 2022 and 2021:

(Dollars in thousands)				December 31, 2022								December 31, 2021
Derivatives Not Designated as Hedging Instruments under ASC 815		Balance Sheet Location		Notional Amount				Fair Value				Notional Amount				Fair Value
Interest rate swap agreements		Other assets/liabilities		$	—			$	—			$	213,022			$	(8,395	)
Total				$	—			$	—			$	213,022			$	(8,395	)

Summary of Net Gain (Loss) Included in Consolidated Statements of Operations for Changes in Fair Value of Derivatives and Periodic Net Interest Settlements Under Derivatives

The following table summarizes the net gains (losses) included in the consolidated statements of operations for changes in the fair value of the derivatives and the periodic net interest settlements under the derivatives for the years ended December 31, 2022, 2021, and 2020:

		Consolidated Statements of		Years Ended December 31,
(Dollars in thousands)		Operations Line		2022				2021				2020
Interest rate swap agreements		Net realized investment gains (losses)		$	10,073			$	2,424			$	(10,691	)
Futures contracts on bonds		Net realized investment gains (losses)			—				(319	)			(2,576	)
Futures contracts on equities		Net realized investment gains (losses)			—				—				(8,989	)
				$	10,073			$	2,105			$	(22,256	)

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- References

No definition available.

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- Definition

Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4E
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5624181-113959

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5624171-113959

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- Definition

Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5624163-113959

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