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Insurance Operations - Beginning and Ending Balances and Changes in DPAC, Net of DRCC (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Deferred Policy Acquisition Costs [Roll Forward]
DPAC, beginning of period	$ 103,622	$ 111,193	$ 108,822	$ 110,614
Capitalized Costs	61,232	61,220	110,431	115,942
Amortization of DPAC	(53,871)	(56,442)	(108,270)	(110,585)
DPAC, end of period	$ 110,983	$ 115,971	$ 110,983	$ 115,971

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- Definition

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

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