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Share-Based Compensation - Deferred Compensation Plan (Details) - USD ($) shares in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
SERP expense | $ 9,214 | $ 8,827 | $ 7,872
SERP |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
SERP expense | $ 486 | $ 531 | $ 512
Treasury shares issued to fund SERP expense (in shares) | 40 | 30 | 18
Year end SERP trust account balance | $ 35,111 | $ 59,086 | $ 54,729
Unrealized (loss) gain recorded in SERP liability account | $ (9,178) | $ 6,676 | $ 9,200

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- Definition Deferred Compensation Unrealized Gain (Loss) Recorded Within The Deferred Compensation Liability Account + References No definition available. + Details
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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Number of shares issued pursuant to the terms of a deferred compensation arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (l) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Details
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