Income Taxes (Components Of Consolidated TRS's Deferred Tax Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Income Taxes [Abstract]
Net operating loss carryforward	$ 18,448	$ 14,168
Accrued expenses and other	1,494	1,292
Tax credit carryforwards	567	558
Total gross deferred tax assets	20,509	16,018
Valuation allowance	(804)	(804)
Total net deferred tax assets	19,705	15,214
Depreciation and amortization	3,508	624
Total Net deferred tax assets	$ 16,197	$ 14,590