Equity Compensation Plans - Stock-Based Compensation Expense (Details Textual) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-Based Payment Arrangement [Abstract]
Stock-based compensation expense	$ 28,990	$ 27,243	$ 21,400
Total compensation cost related to unvested awards not yet recognized	$ 35,800
Stock based compensation expense period	1 year 8 months 12 days
Deferred income tax benefit related to stock-based compensation expense	$ 6,000	5,700	4,900
Income tax benefit realized for the tax deductions from stock-based compensation	$ 4,800	$ 4,500	$ 4,400

No definition available.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (i)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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-Topic 718
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-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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Amount of tax benefit from exercise of option under share-based payment arrangement.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of noncash expense for share-based payment arrangement.

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-Name Accounting Standards Codification
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