Leases (Lease Expenses) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Operating leases expense	$ 3,002	$ 3,257	$ 3,119
Short-term leases expense	330	464	192
Payments on operating lease obligations	$ 2,784	$ 2,893	$ 2,967