Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2013

Equity [Abstract]

Preferred, Common and Treasury Shares Activity

	Number of Shares
Description		Preferred G1	Preferred G2	Common		Treasury
Balance as of December 31, 2012		1,000	1,000	435,328		—
Shares issued for preferred stock dividends		—	—	2		—
Treasury stock repurchase		—	—	—		33,389
Treasury stock retirements		—	—	(33,389	)	(33,389	)
Balance as of June 30, 2013		1,000	1,000	401,941		—