Leases (Schedule of Balance Sheet Information Related to Leases) (Details) $ in Thousands	Dec. 31, 2019 USD ($)
Leases [Abstract]
Right-of-use finance lease assets	$ 506
Finance lease liability, current	417
Finance lease, liability, non-current	325
Total finance lease liabilities	742
Right-of-use operating lease assets	20,910
Current portion of operating lease liabilities	4,275
Long-term operating lease liabilities	19,136
Total operating lease liabilities	$ 23,411