Employee Benefit Plans - Tax Effect on Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
Mar. 31, 2024	Dec. 31, 2023
Amounts in Accumulated Other Comprehensive Loss Expected to be Recognized in Net Periodic Benefit Costs
Net actuarial gain (loss)	$ 0.2	$ (0.2)
Deferred tax benefit	$ 2.0	$ 2.0

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from pension benefits.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482685/740-10-50-6

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant