Earnings per Share - Narrative (Details) - $ / shares shares in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Stock Options [Member]
Class of Stock [Line Items]
Options granted	1,400	3,700
Options granted, weighted average exercise price	$ 0.51	$ 0.51
Number of shares issued during the period excluded from computation of earnings per share	700	1,600
Number of shares excluded from computation of earnings per share	10,549	9,859
Nonvested Shares [Member]
Class of Stock [Line Items]
Number of shares issued during the period excluded from computation of earnings per share	500
Nonvested shares granted	1,300
Nonvested shares oustanding	1,400	500
Number of shares excluded from computation of earnings per share	800	600