Summary Of Major Accounting Policies Allowance for credit losses (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022	Dec. 31, 2021
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Loss, Writeoff	$ 2,900	$ 2,500
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	551,482	$ 476,728	$ 526,306	$ 525,804	$ 502,055	$ 511,024
Accounts Receivable, Allowance for Credit Loss	$ 2,200			2,000
Financing Receivable Allowance for Credit Losses Evaluation Period	3 years
Allowance for Credit Loss, Receivable, Other, Current	$ 300			$ 300