Significant Accounting Policies (Activity in Allowance for Credit Losses) (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Credit Loss [Abstract]
Balance at beginning of period		$ 1,433	$ 973	$ 962
Provision for credit losses		678	962	918
Deductions	[1]	477	502	907
Balance at end of period		$ 1,634	$ 1,433	$ 973

[1] Write-offs, net of recoveries