Goodwill and Other Intangible Assets - Goodwill (Details) (USD $)	3 Months Ended
Mar. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill acquired	$ 5,312,000
Impairments of goodwill recognized	$ 0

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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