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Summary of Significant Accounting Policies (Tables) | 3 Months Ended
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Mar. 31, 2015
Accounting Policies [Abstract] |
Schedule of Construction in Progress | Construction in progress as of March 31, 2015 and December 31, 2014, is composed of the following:
(in thousands) |  | March 31, 2015 |  | December 31, 2014
Park Van Ness |  | $ | 35,458 |  |  | $ | 26,998 |
Other |  | 3,843 |  |  | 3,263 |
Total |  | $ | 39,301 |  |  | $ | 30,261 |
Basic and Diluted Shares Outstanding | The following table sets forth, for the indicated periods, weighted averages of the number of common shares outstanding, basic and dilutive, the effect of dilutive options and the number of options which are not dilutive because the average price of the Company's common stock was less than the exercise prices. The treasury stock method was used to measure the effect of the dilution.
| Three Months Ended March 31, |
(In thousands) | 2015 |  | 2014 |
Weighted average common shares outstanding-Basic | 21,018 |  |  | 20,622 |  |
Effect of dilutive options | 119 |  |  | 41 |  |
Weighted average common shares outstanding-Diluted | 21,137 |  |  | 20,663 |  |
Non-dilutive options | — |  |  | 113 |  | (1 | )
(1) The non-dilutive options were issued in 2007 and 2008.

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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