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Insurance Operations - Beginning and Ending Balances and Changes in DPAC, Net of DRCC (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Deferred Policy Acquisition Costs [Roll Forward]
DPAC, beginning of period	$ 103,654	$ 108,822
Capitalized Costs	45,994	49,199
Amortization of DPAC	(51,755)	(54,399)
DPAC, end of period	$ 97,893	$ 103,622

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- Definition

Amount of amortization expense (reversal of expense) for deferred policy acquisition costs.

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