Earnings Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
A reconciliation between basic and diluted earnings per share computations
Net income available to common stockholders	$ 4,671	$ 383	$ 24,306	$ 6,652
Attributable to participating securities	(123)	(8)	(649)	(151)
Net income or loss available to common stockholders, Loss (excluding income attributable to participating securities)	4,548	375	23,657	6,501
Net loss available to common stockholders (in shares)	64,265	63,096	64,073	62,936
Stock options, Effect of dilutive securities		0		0
Net loss available to common stockholders, Per Share Amount	$ 0.07	$ 0.01	$ 0.37	$ 0.10
Stock options, effect of dilutive securities, (in shares)	87	146	55	169
Dilutive Securities, Effect on Basic Earnings Per Share, Restricted Stock	(123)	(8)	(649)	(151)
Restricted stock, effect of dilutive securities (in shares)	0	0	0	0
DILUTED EPS, Loss	$ 4,548	$ 375	$ 23,657	$ 6,501
DILUTED EPS, Shares	64,352	63,242	64,128	63,105
DILUTED EPS, Per Share Amount	$ 0.07	$ 0.01	$ 0.37	$ 0.10