Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Statement Of Financial Position [Abstract]
Allowance for doubtful accounts	$ 2,027	$ 2,007
Common Stock, par value
Common Stock, Shares Authorized	40,000	40,000
Common Stock, Shares Issued	25,947	25,757
Common Stock, Shares Outstanding	25,947	25,757