Financial Instruments (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Fair Value Off Balance Sheet Risks Disclosure Information [Line Items]
Unrealized gain (loss) on derivatives, net of tax	$ 1,116	$ 637	$ 3,563	$ 1,582
Amounts classified from accumulated other comprehensive income	200		100
Interest Rate Swap [Member]
Fair Value Off Balance Sheet Risks Disclosure Information [Line Items]
Derivative Notional Amount	$ 125,600		$ 125,600		$ 129,400
Fixed interest rate	2.928%		2.928%
Unrealized gain (loss) on interest rate swap	$ 1,600	800	$ 4,300	2,100
Unrealized gain (loss) on derivatives, net of tax	1,200	$ 700	3,200	$ 1,600
Forward Currency Exchange [Member]
Fair Value Off Balance Sheet Risks Disclosure Information [Line Items]
Derivative Notional Amount	10,000		10,000
Unrealized gain (loss) on interest rate swap	100		400
Unrealized gain (loss) on derivatives, net of tax	$ 100		$ 300