Nature of Business and Significant Accounting Policies (Details 6) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Deferred financing costs:
Amortization of deferred financing costs	$ 604,000	$ 858,000	$ 679,000
Accumulated amortization of deferred financing costs	$ 200,000	$ 1,500,000
Customer relationships and affiliate agreements | Minimum
Goodwill and other intangibles:
Estimated useful life	6 years
Customer relationships and affiliate agreements | Maximum
Goodwill and other intangibles:
Estimated useful life	10 years