Leases (Supplemental Balance Sheet Information Related To Leases) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Leases [Abstract]
ROU assets	$ 37,262	$ 40,156
Current lease liabilities	10,511	11,392
Long-term lease liabilities	29,883	31,900
Total lease liabilities	$ 40,394	$ 43,292
Weighted average remaining lease term (in years	4 years 10 months 24 days	5 years
Weighted-average discount rate	5.99%	5.96%