Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Statement of Financial Position [Abstract]
Allowances for accounts receivable	$ 83,541	$ 27,862
Preferred stock, par value (usd per share)
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	1,725,000	0
Preferred stock, shares outstanding	1,725,000	0
Common stock, par value (usd per share)
Common stock, shares authorized	70,000,000	70,000,000
Common stock, shares outstanding	48,123,000	32,353,000