Employee Benefit Plans (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Other Assets [Member]
Multiemployer Plans [Line Items]
Deferred compensation plan	$ 1,143	$ 581
Other Noncurrent Liabilities [Member]
Multiemployer Plans [Line Items]
Deferred compensation plan	$ 1,169	$ 599