Segment Information (Narrative) (Details) $ in Thousands	6 Months Ended
Jun. 30, 2023 USD ($) segment	Dec. 31, 2022 USD ($)	Jun. 30, 2022 USD ($)
Concentration Risk [Line Items]
Cash and cash equivalents	$ 407,982	$ 300,742	$ 246,134
Number of reportable segments \| segment	3
Administrative and all other
Concentration Risk [Line Items]
Cash and cash equivalents	$ 326,500	$ 222,500	$ 167,400

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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