Equity Offering	6 Months Ended
Jun. 30, 2011
Equity Offering [Abstract]
Equity Offering [Text Block]	EQUITY OFFERING In March 2011, Acacia completed a public offering of 5,750,000 shares of common stock. The public offering price was $31.50 per share, and the net proceeds to the Company totaled approximately $175,232,000, after deducting underwriting discounts and related offering expenses. Acacia retained broad discretion over the use of the net proceeds from the sale of common stock and intends to use the net proceeds for operations and for other general corporate purposes, including, but not limited to, working capital, strategic acquisitions and other transactions. The shares of common stock were offered and sold under a prospectus supplement that was filed with the SEC pursuant to Rule 424(b)(5) of the Securities Act of 1933, as amended, in connection with an offering pursuant to Acacia's automatic shelf registration statement on Form S-3 (Registration No. 333- 173045).

EQUITY OFFERING

In March 2011, Acacia completed a public offering of 5,750,000 shares of common stock. The public offering price was $31.50 per share, and the net proceeds to the Company totaled approximately $175,232,000, after deducting underwriting discounts and related offering expenses. Acacia retained broad discretion over the use of the net proceeds from the sale of common stock and intends to use the net proceeds for operations and for other general corporate purposes, including, but not limited to, working capital, strategic acquisitions and other transactions. The shares of common stock were offered and sold under a prospectus supplement that was filed with the SEC pursuant to Rule 424(b)(5) of the Securities Act of 1933, as amended, in connection with an offering pursuant to Acacia's automatic shelf registration statement on Form S-3 (Registration No. 333- 173045).