Leases (Narrative) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($)		Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Operating lease right-of-use assets	$ 26,692		$ 29,521
Operating lease liabilities	29,010	[1]	31,717
Rent expense	$ 4,084		$ 3,977	$ 3,773
Number of operating leases not yet commenced	2		0

[1] Includes short-term operating lease liabilities of $3.1 million.