Stockholders' Equity Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015
Equity [Abstract]
Weighted average common shares outstanding – basic	[1]	59,827,808
Effect of dilutive shares underlying stock-based compensation		36,000
Weighted average common shares outstanding – diluted	[1]	59,863,804
Net income		$ 94,283	$ 146
Earnings per share, basic (in USD per share)		$ 1.58
Earnings per share, diluted (in USD per share)		$ 1.57
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount		139,571

[1] Includes 17,085,566 shares issued on March 2, 2016 as part of our Earnings and Profits distribution to satisfy REIT requirements. For financial reporting purposes, these shares were assumed to be issued on January 1, 2016.