Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Statement of Financial Position [Abstract]
Trade, allowance for doubtful accounts	$ 737	$ 1,043
Notes and other, allowance for doubtful accounts	$ 988	$ 1,501
Common stock, par value per share (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	100	100
Common stock, shares issued (in shares)	100	100
Common stock, shares outstanding (in shares)	100	100