Cash Dividends	9 Months Ended
Sep. 30, 2012
Cash Dividends [Abstract]
Cash Dividends	5. Cash Dividends 5. On September 17, 2012, the Board of Directors declared a cash dividend of $0.07 per share. The dividend was distributed on October 12, 2012 to stockholders of record at the close of business on September 28, 2012. Cash dividends paid on October 12, 2012 totaled $1,947. On March 8, 2012, the Board of Directors declared a cash dividend of $0.05 per share. The dividend was distributed on April 16, 2012 to stockholders of record at the close of business on April 1, 2012. Cash dividends paid on April 16, 2012 totaled $1,380. On September 8, 2011, the Board of Directors declared a cash dividend of $0.05 per share. The dividend was distributed on October 14, 2011 to stockholders of record at the close of business on September 29, 2011. Cash dividends paid on October 14, 2011 totaled $1,379. On March 10, 2011, the Board of Directors declared a cash dividend of $0.03 per share. The dividend was distributed on April 15, 2011 to stockholders of record at the close of business on April 1, 2011. Cash dividends paid on April 12, 2011 totaled $848.

Cash Dividends

9 Months Ended

Sep. 30, 2012

5. On September 17, 2012, the Board of Directors declared a cash dividend of $0.07 per share. The dividend was distributed on October 12, 2012 to stockholders of record at the close of business on September 28, 2012. Cash dividends paid on October 12, 2012 totaled $1,947.

On March 8, 2012, the Board of Directors declared a cash dividend of $0.05 per share. The dividend was distributed on April 16, 2012 to stockholders of record at the close of business on April 1, 2012. Cash dividends paid on April 16, 2012 totaled $1,380.

On September 8, 2011, the Board of Directors declared a cash dividend of $0.05 per share. The dividend was distributed on October 14, 2011 to stockholders of record at the close of business on September 29, 2011. Cash dividends paid on October 14, 2011 totaled $1,379.

On March 10, 2011, the Board of Directors declared a cash dividend of $0.03 per share. The dividend was distributed on April 15, 2011 to stockholders of record at the close of business on April 1, 2011. Cash dividends paid on April 12, 2011 totaled $848.