Summary of Significant Accounting Policies Property and Equipment (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Capital Lease Obligations	$ 0
Property, Plant and Equipment, Gross	23,490,000	$ 21,394,000
Accumulated Depreciation	(15,600,000)	(15,056,000)
Property, Plant and Equipment, Net	$ 7,890,000	6,338,000
Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	3 years
Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	30 years
Land, Buildings and Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 10,051,000	9,970,000
Office Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	2,994,000	2,531,000
Computer Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	6,914,000	5,244,000
Automobiles and Aquamarina [Domain]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	175,000	293,000
Air Transportation Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 3,356,000	$ 3,356,000