Senior Unsecured Notes - Reconciliation of Senior Unsecured Notes to Condensed Consolidated Balance Sheets (Detail) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Debt Instrument [Line Items]
Senior unsecured notes, beginning balance	$ 1,239,967
Amortization of deferred financing costs	485	$ 486
Senior unsecured notes, ending balance	1,240,688		$ 1,239,967
Senior Unsecured Notes [Member]
Debt Instrument [Line Items]
Senior unsecured notes, beginning balance	1,239,967	$ 1,238,660	1,238,660
Senior unsecured notes, ending balance	1,240,688		1,239,967
Senior Unsecured Notes [Member] \| 3.875% Senior Notes [Member]
Debt Instrument [Line Items]
Accretion of discount	586		1,172
Additional deferred financing costs			(135)
Amortization of deferred financing costs	$ 135		$ 270

Amount of amortization expense attributable to debt issuance costs.

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 https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(8))
-URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1F
-Subparagraph (b)(2)
-URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495355-112611

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=124435984&loc=d3e28555-108399

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration