Summary of Significant Accounting Policies Basic Earnings Per Share (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Accounting Policies [Abstract]
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 2,580	$ (1,681)
Income attributed to participating securities	(77)	0
Net income (loss) available to common stockholders	$ 2,503	$ (1,681)