Stockholders Equity (Details) (USD $)	12 Months Ended
	Dec. 31, 2009
Shares of common stock issued (in shares)	16,046,512
Proceeds from Public Equity Offering	$ 163,771,000
Repayments of Debt	125,000,000
Common Stock [Member]
Shares of common stock issued (in shares)	16,047,000
Proceeds from Public Equity Offering	$ 160,000