Supplemental Disclosure of Cash Flow Information (Unaudited) (Details) - Disclosure of Supplemental Cash Flow Information (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Disclosure of Supplemental Cash Flow Information [Abstract]
Interest paid	$ 3,015	$ 2,775
Income taxes paid	$ 2,427	$ 3,759