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Financial Information Combined Wholly-Owned Subsidiaries - Additional Information (Detail)	Dec. 31, 2021	Dec. 31, 2020	Oct. 14, 2020	Jun. 24, 2020	Feb. 16, 2016	Sep. 21, 2015	Feb. 11, 2015
5.500% Senior Notes due 2028 [Member]
Line of Credit Facility [Line Items]
Debt instrument interest rate	5.50%	5.50%		5.50%
5.000% Senior Notes due 2029 [Member]
Line of Credit Facility [Line Items]
Debt instrument interest rate	5.00%	5.00%	5.00%
5.625% Senior Notes Due 2023 [Member]
Line of Credit Facility [Line Items]
Debt instrument interest rate	5.625%	5.625%				5.625%	5.625%
6.500% Senior Notes Due 2024 [Member]
Line of Credit Facility [Line Items]
Debt instrument interest rate	6.50%	6.50%			6.50%

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1B
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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