Income Taxes	12 Months Ended
Dec. 31, 2013
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes Our Consolidated Financial Statements include the operations of the Company's taxable REIT subsidiary, which is not entitled to the dividends paid deduction and is subject to federal, state and local income taxes on its taxable income. As a REIT, the Company may also be subject to federal excise taxes if we engage in certain types of transactions. The minimum dividend per share of Common Stock required for the Company to maintain its REIT status was $1.08, $1.07 and $1.01 per share in 2013, 2012 and 2011, respectively. Continued qualification as a REIT depends on the Company's ability to satisfy the dividend distribution tests, stock ownership requirements and various other qualification tests prescribed in the Code. The tax basis of the Company's assets (net of accumulated tax depreciation and amortization) and liabilities was approximately $3.4 billion and $2.1 billion, respectively, at December 31, 2013 and $2.9 billion and $2.0 billion, respectively, at December 31, 2012. The tax basis of the Operating Partnership's assets (net of accumulated tax depreciation and amortization) and liabilities was approximately $3.4 billion and $2.1 billion, respectively, at December 31, 2013 and $2.9 billion and $2.0 billion, respectively, at December 31, 2012. During the years ended December 31, 2013, 2012 and 2011, the Company qualified as a REIT, distributed the necessary amount of taxable income and, therefore, incurred no federal income tax expense; accordingly, the only federal income taxes included in the accompanying Consolidated Financial Statements relate to activities of the Company's taxable REIT subsidiary. At December 31, 2013 and 2012, the taxable REIT subsidiary had net deferred tax liabilities of $1.8 million and $2.2 million, respectively, comprised primarily of tax versus book basis differences in certain investments held by the taxable REIT subsidiary. At December 31, 2012, the taxable REIT subsidiary had a $2.1 million net deferred tax asset for cumulative tax loss carryforwards that was realized in 2013 in conjunction with recording our share of the gain recognized by Weston Lofts upon the sale of 215 residential units. The taxable REIT subsidiary incurred $2.1 million of income tax expense in 2013, including $1.7 million netted against the gain included in equity in earnings of unconsolidated affiliates. Income taxes are not material to our operating results or financial position. The Company is subject to federal, state and local income tax examinations by tax authorities for 2010 through 2013.

Income Taxes

Our Consolidated Financial Statements include the operations of the Company's taxable REIT subsidiary, which is not entitled to the dividends paid deduction and is subject to federal, state and local income taxes on its taxable income. As a REIT, the Company may also be subject to federal excise taxes if we engage in certain types of transactions.

The minimum dividend per share of Common Stock required for the Company to maintain its REIT status was $1.08, $1.07 and $1.01 per share in 2013, 2012 and 2011, respectively. Continued qualification as a REIT depends on the Company's ability to satisfy the dividend distribution tests, stock ownership requirements and various other qualification tests prescribed in the Code. The tax basis of the Company's assets (net of accumulated tax depreciation and amortization) and liabilities was approximately $3.4 billion and $2.1 billion, respectively, at December 31, 2013 and $2.9 billion and $2.0 billion, respectively, at December 31, 2012. The tax basis of the Operating Partnership's assets (net of accumulated tax depreciation and amortization) and liabilities was approximately $3.4 billion and $2.1 billion, respectively, at December 31, 2013 and $2.9 billion and $2.0 billion, respectively, at December 31, 2012.

During the years ended December 31, 2013, 2012 and 2011, the Company qualified as a REIT, distributed the necessary amount of taxable income and, therefore, incurred no federal income tax expense; accordingly, the only federal income taxes included in the accompanying Consolidated Financial Statements relate to activities of the Company's taxable REIT subsidiary.

At December 31, 2013 and 2012, the taxable REIT subsidiary had net deferred tax liabilities of $1.8 million and $2.2 million, respectively, comprised primarily of tax versus book basis differences in certain investments held by the taxable REIT subsidiary. At December 31, 2012, the taxable REIT subsidiary had a $2.1 million net deferred tax asset for cumulative tax loss carryforwards that was realized in 2013 in conjunction with recording our share of the gain recognized by Weston Lofts upon the sale of 215 residential units. The taxable REIT subsidiary incurred $2.1 million of income tax expense in 2013, including $1.7 million netted against the gain included in equity in earnings of unconsolidated affiliates. Income taxes are not material to our operating results or financial position.

The Company is subject to federal, state and local income tax examinations by tax authorities for 2010 through 2013.