Goodwill and Intangible Asset (Details) (USD $)	3 Months Ended		12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Goodwill and Intangible Assets [Abstract]
Goodwill	$ 14,916,000		$ 14,916,000
Estimated useful lives customer relationship	5 years
Amortization of intangible assets	600,000	600,000
Annual amortization expense			2,300,000
Finite-Lived Intangible Assets [Line Items]
Cost	11,286,000		11,286,000
Accumulated Amortization	6,207,000		5,643,000
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Cost	11,286,000		11,286,000
Accumulated Amortization	$ 6,207,000		$ 5,643,000