Goodwill and Intangible Asset (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Goodwill and Intangible Assets [Abstract]
Goodwill	$ 14,916,000		$ 14,916,000		$ 14,916,000
Estimated useful lives customer relationship			5 years
Amortization of intangible assets	600,000	600,000	1,100,000	1,100,000
Annual amortization expense			2,300,000
Asset impairment charges			0
Finite-Lived Intangible Assets [Line Items]
Cost	11,286,000		11,286,000		11,286,000
Accumulated Amortization	6,772,000		6,772,000		5,643,000
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Cost	11,286,000		11,286,000		11,286,000
Accumulated Amortization	$ 6,772,000		$ 6,772,000		$ 5,643,000