Non-controlling Interests (Details) (USD $)	3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		1 Months Ended				1 Months Ended		1 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 Class A Membership Unit [Member]	Sep. 30, 2012 Class A Membership Unit [Member]	Sep. 30, 2013 Class A Membership Unit [Member]	Sep. 30, 2012 Class A Membership Unit [Member]	Sep. 30, 2013 Class B Membership Unit [Member]	Sep. 30, 2012 Class B Membership Unit [Member]	Sep. 30, 2013 Class B Membership Unit [Member]	Sep. 30, 2012 Class B Membership Unit [Member]	Apr. 19, 2007 Telos ID [Member]	Apr. 30, 2007 Telos ID [Member] Unit Director	Apr. 20, 2007 Telos ID [Member]	Apr. 11, 2007 Telos ID [Member]	Apr. 30, 2007 Telos ID [Member] Class A Membership Unit [Member] Director	Apr. 20, 2007 Telos ID [Member] Class A Membership Unit [Member]	Apr. 30, 2007 Telos ID [Member] Class B Membership Unit [Member] Director	Apr. 20, 2007 Telos ID [Member] Class B Membership Unit [Member]
Noncontrolling Interest [Line Items]
Net book value of assets contributed																$ 17,000
Percentage of membership interest owned before (in hundredths)													99.999%
Owned membership interest from private equity investors (in hundredths)													0.001%
Percentage of membership interest sold to investor (in hundredths)															39.999%
Cash consideration received on sale of membership interest															6,000,000
Recognized gain on sale of membership interests to the Investors														5,800,000
Percentage of ownership interest owned after transaction (in hundredths)														60.00%			60.00%		40.00%
Number of members in board of director														5
Number of subclasses of membership units														2
Percentage of profit and loss allocated (in hundredths)																		60.00%		40.00%
Net income	4,106,000	1,268,000	4,520,000	5,918,000	600,000	1,100,000	2,000,000	2,400,000	400,000	700,000	1,400,000	1,600,000
Number of directors entitled to appoint																	3		2
Changes in non-controlling interest [Abstract]
Non-controlling interest, beginning of period	623,000	683,000	468,000	381,000
Net income	400,000	725,000	1,360,000	1,599,000
Distributions	(616,000)	(677,000)	(1,421,000)	(1,249,000)
Non-controlling interest, end of period	$ 407,000	$ 731,000	$ 407,000	$ 731,000