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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, 2022	Mar. 31, 2021
Deferred Policy Acquisition Costs [Roll Forward]
DPAC, beginning of period	$ 108,822	$ 110,614
Capitalized Costs	49,199	54,722
Amortization of DPAC	(54,399)	(54,143)
DPAC, end of period	$ 103,622	$ 111,193

X

- Definition

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

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