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Investment in Other Affiliates (Detail) - USD ($) $ in Millions | 12 Months Ended |
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Dec. 31, 2021 | Dec. 31, 2020
Investments in and Advances to Affiliates, Schedule of Investments [Abstract] |  |
Investments in and Advances to Affiliates, at Fair Value | $ 23.0 | $ 7.5
Impairment | $ 7.7 |

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- Definition The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 8A -URI http://asc.fasb.org/extlink&oid=124260329&loc=SL6284422-111562 + Details
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- Definition Value of the investment at close of period. For investment in and advances to affiliates, if operations of any controlled companies are different in character from those of the company, group such affiliates within divisions and by type of activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 6 -Subparagraph (SX 210.12-14(3)) -URI http://asc.fasb.org/extlink&oid=122147990&loc=d3e611322-123010 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 6 -Subparagraph (SX 210.12-14(2)) -URI http://asc.fasb.org/extlink&oid=122147990&loc=d3e611322-123010 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 6 -Subparagraph (SX 210.12-14(Column E)) -URI http://asc.fasb.org/extlink&oid=122147990&loc=d3e611322-123010 + Details
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- References No definition available. + Details
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