2.2.0.7 false Stockholders Equity 0210 - Disclosure - Stockholders Equity true false false false 1 USD false false USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 USDEPS Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 $ 2 Stockholders' Equity [Abstract] 0 us-gaap_StockholdersEquityNoteAbstract us-gaap true na duration No definition available. false false false false false true false false false false false false 1 false false false false 0 0 false false false xbrli:stringItemType string No definition available. false 3 Stockholders' Equity 1 us-gaap_StockholdersEquityNoteDisclosureTextBlock us-gaap true na duration No definition available. false false false false false false false false false false false verboselabel false 1 false false false false 0 0   <div style="font-family: 'Times New Roman',Times,serif; margin-left: 0in; "> <div align="left" style="font-size: 10pt; margin-top: 10pt"><b>10. Stockholders’ Equity</b> </div> <div align="left" style="font-size: 10pt; margin-top: 10pt; margin-left: 4%"><i>Preferred Stock</i> </div> <div align="left" style="font-size: 10pt; margin-top: 10pt; text-indent: 8%">On January 18, 2010, we redeemed all outstanding shares of our Series B Preferred Stock at a redemption price per share of $103.875 plus an amount equal to accumulated and unpaid dividends thereon to the redemption date ($0.3875), for a total redemption price of $104.2625 per share, payable only in cash. As a result of the redemption, each share of Series B Preferred Stock was convertible until January 14, 2010 into 4.5150 shares of common stock. During that time, 512,727 shares were converted into approximately 2,315,000 shares of common stock. On January 18, 2010, we redeemed 917 shares that remained outstanding. </div> <div align="left" style="font-size: 10pt; margin-top: 10pt; margin-left: 4%"><i>Common Stock</i> </div> <div align="left" style="font-size: 10pt; margin-top: 10pt; text-indent: 8%">We enter into sales agreements from time to time with agents to sell shares of our common stock through an at-the-market equity offering program. On January 15, 2010, we entered into two new sales agreements to sell up to an aggregate of 5,000,000 shares of our common stock from time to time. When that program was completed, we entered into two new sales agreements on July 2, 2010 to sell up to an aggregate of 5,000,000 shares of our common stock from time to time. During the nine months ended September 30, 2010, we issued and sold approximately 7,851,000 shares of common stock at a weighted average price of $36.46 per share, resulting in net proceeds of approximately $283.2 million after sales agent fees. As of September 30, 2010, approximately 2,612,000 shares of common stock were available to be sold pursuant to our at-the-market equity offering program. From October 1, 2010 to November 8, 2010, we issued and sold approximately 1,290,000 shares at a weighted average price of $40.59 per share (see Note 19). </div> <div align="left" style="font-size: 10pt; margin-top: 10pt; text-indent: 8%">We sponsor a dividend reinvestment plan that enables existing stockholders to purchase additional shares of common stock by automatically reinvesting all or part of the cash dividends paid on their shares of common stock at a discount ranging from 0% to 5%, determined by us from time to time in accordance with the plan. The discount at September 30, 2010 was 2%. During the nine months ended September 30, 2010, we issued approximately 146,000 shares of common stock, at an average price of $33.22 per share, resulting in proceeds of approximately $4.9 million. </div> <div align="left" style="font-size: 10pt; margin-top: 10pt; text-indent: 8%">On January 18, 2010, we redeemed all outstanding shares of Series B Preferred Stock, and as a result, 512,727 shares of Series B Preferred Stock were converted into approximately 2,315,000 shares of common stock during the period from January 1, 2010 to January 14, 2010. </div> <div align="left" style="font-size: 10pt; margin-top: 10pt; text-indent: 8%">During the nine months ended September 30, 2010, 16,285 OP Units issued by NHP/PMB were exchanged for 16,285 shares of common stock (see Note 5). </div>   </div>  <div style="font-family: 'Times New Roman',Times,serif; margin-left: 0in; "> <div align="center" style="font-size: 10pt; margin-top: 0pt"> <b> </b> </div> <div align="center" style="font-size: 10pt; margin-top: 0pt"> <b> </b> </div> </div>  <!-- Begin Block Tagged Note false false false us-types:textBlockItemType textblock Disclosures related to accounts comprising shareholders' equity, including other comprehensive income. Includes: (1) balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings; (2) accumulated balance for each classification of other comprehensive income and total amount of comprehensive income; (3) amount and nature of changes in separate accounts, including the number of shares authorized and outstanding, number of shares issued upon exercise and conversion, and for other comprehensive income, the adjustments for reclassifications to net income; (4) rights and privileges of each class of stock authorized; (5) basis of treasury stock, if other than cost, and amounts paid and accounting treatment for treasury stock purchased significantly in excess of market; (6) dividends paid or payable per share and in the aggregate for each class of stock for each period presented; (7) dividend restrictions and accumulated preferred dividends in arrears (in aggregate and per share amount); (8) retained earnings appropriations or restrictions, such as dividend restrictions; (9) impact of change in accounting principle, initial adoption of new accounting principle and correction of an error in previously issued financial statements; (10) shares held in trust for Employee Stock Ownership Plan (ESOP); (11) deferred compensation related to issuance of capital stock; (12) note received for issuance of stock; (13) unamortized discount on shares; (14) description, terms and number of warrants or rights outstanding; (15) shares under subscription and subscription receivables; effective date of new retained earnings after quasi-reorganization and deficit eliminated by quasi-reorganization and, for a period of at least ten years after the effective date, the point in time from which the new retained dates; and (16) retroactive effective of subsequent change in capital structure. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 15 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph d -Article 4 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section C, E Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 10 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 43 -Chapter 1 -Section B -Paragraph 7, 11A Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 3, 4, 5, 6, 7, 8 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Article 4 false 1 2 false UnKnown UnKnown UnKnown false true