SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
ValuationAndQualifyingAccountsDisclosureLineItems
Valuation Allowances and Reserves, Balance, Beginning Balance	$ 1,240	$ 3,386	$ 11,646
ValuationAllowancesAndReservesChargedToCostAndExpense	1,864	3,439	1,305
ValuationAllowancesAndReservesChargedToOtherAccounts	(22)	50	(22)
ValuationAllowancesAndReservesDeductions	457	5,635	9,543
Valuation Allowances and Reserves, Balance, Ending Balance	2,625	1,240	3,386
Net operating loss	5,384	5,518
Capital Loss Carryforward, Expired			5,700
Impairment loss	19,000	33,000
Industrial Valve Business
ValuationAndQualifyingAccountsDisclosureLineItems
Net operating loss	4,400	3,800
ValuationAllowanceOfDeferredTaxAssetsMember
ValuationAndQualifyingAccountsDisclosureLineItems
Valuation Allowances and Reserves, Balance, Beginning Balance	1,240	3,386	11,646
ValuationAllowancesAndReservesChargedToCostAndExpense	1,864	3,439	1,305
ValuationAllowancesAndReservesChargedToOtherAccounts	(22)	50	(22)
ValuationAllowancesAndReservesDeductions	457	5,635	9,543
Valuation Allowances and Reserves, Balance, Ending Balance	$ 2,625	$ 1,240	$ 3,386

Amount capital loss carryforwards that expired.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32632-109319

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-Publisher FASB
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-Topic 740
-SubTopic 10
-Section 50
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Amount of gain (loss) from the difference between the sale price or salvage price and the book value of an asset that was sold or retired, and gain (loss) from the write down of assets from their carrying value to fair value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585

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Amount of valuation and qualifying accounts and reserves.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 4
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Amount of increase in valuation and qualifying accounts and reserves from charge to cost and expense.

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Amount of increase in valuation and qualifying accounts and reserves from charge to accounts other than cost and expense.

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Amount of decrease in valuation and qualifying accounts and reserves.

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