Intangible Assets (Schedule of Company's Intangible Assets) (Details) - USD ($) $ in Thousands		Jun. 30, 2016	Dec. 31, 2015
Unamortized intangible assets:
Goodwill, Gross Carrying Amount	[1]	$ 11,817	$ 11,817
Goodwill, Accumulated Amortization	[1]	(227)	(227)
Total intangible assets		16,817	16,817
Accumulated Amortization		(3,026)	(2,822)
Customer Lists [Member]
Assets eligible for amortization:
Gross Carrying Amount		3,933	3,933
Accumulated Amortization		(2,182)	(2,023)
Patent [Member]
Assets eligible for amortization:
Gross Carrying Amount		72	72
Accumulated Amortization		(6)	(4)
Non-compete Agreements [Member]
Assets eligible for amortization:
Gross Carrying Amount		261	261
Accumulated Amortization		(235)	(209)
Software [Member]
Assets eligible for amortization:
Gross Carrying Amount		234	234
Accumulated Amortization		(234)	(234)
Other [Member]
Assets eligible for amortization:
Gross Carrying Amount		500	500
Accumulated Amortization		$ (142)	$ (125)

[1] Amortization through December 31, 2001 prior to adoption of FASB ASC 350.