Consolidated Balance Sheets (Parenthetical) Statement (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Allowance for Doubtful Accounts Receivable, Current	$ 4,105	$ 3,213
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common Stock, Shares Authorized	95,000,000	95,000,000
Common Stock, Shares, Issued	46,105,076	45,094,191
Common Stock, Shares, Outstanding	46,105,076	45,094,191
Preferred Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Treasury Stock, Shares	0	0
Series A Preferred Stock [Member]
Preferred Stock, Shares Authorized	6,000	0
Preferred Stock, Shares Issued	5,064	0
Preferred Stock, Shares Outstanding	5,064	0
Series B Preferred Stock [Member]
Preferred Stock, Shares Authorized	20,000	0
Preferred Stock, Shares Issued	4,155
Preferred Stock, Shares Outstanding	4,155	0