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Revenue Recognition (Disaggregation of Recurring Revenue by Type) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Revenue	$ 1,105,432	$ 1,058,105	$ 927,740
Contractual recurring [Member]
Disaggregation of Revenue [Line Items]
Revenue	738,351	709,097	601,397
Transactional recurring [Member]
Disaggregation of Revenue [Line Items]
Revenue	333,169	302,636	279,453
Recurring [Member]
Disaggregation of Revenue [Line Items]
Revenue	$ 1,071,520	$ 1,011,733	$ 880,850

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