Revenue Recognition (Disaggregation of Recurring Revenue by Type) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Revenue	$ 1,058,105	$ 927,740	$ 913,219
Contractual recurring [Member]
Disaggregation of Revenue [Line Items]
Revenue	709,097	601,397	591,272
Transactional recurring [Member]
Disaggregation of Revenue [Line Items]
Revenue	302,636	279,453	259,473
Recurring [Member]
Disaggregation of Revenue [Line Items]
Revenue	$ 1,011,733	$ 880,850	$ 850,745

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
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-URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8906-108599

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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+ Details