Leases (Schedule of Operating Lease Payments) (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2019		Jan. 01, 2019	Dec. 31, 2018
Leases [Abstract]
Operating lease minimum payments, Next Twelve Months		$ 3,493
Operating lease minimum payments, Year Two		3,291
Operating lease minimum payments, Year Three		3,165
Operating lease minimum payments, Year Four		3,097
Operating lease minimum payments, Year Five		2,904
Operating lease minimum payments, Thereafter		21,818
Total operating lease payments	[1]	37,768
Less interest		8,907
Present value of operating lease liabilities		28,861	[2]	$ 30,900	$ 0
Reasonably certain to renew lease option		2,400
Short-term operating leases		$ 2,500

[1] Includes $2.4 million related to options to extend lease terms that are reasonably certain of being exercised.

[2] Includes short-term operating lease liabilities of $2.5 million.