|
Significant Accounting Policies (Narrative) (Details) (USD $)
|
3 Months Ended |
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|
|
Mar. 31, 2014
|
Dec. 31, 2013
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Mar. 31, 2013
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Apr. 03, 2014
|
Jan. 06, 2014
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| Significant Accounting Policies [Line Items] |
|
|
|
|
|
| Capitalized development and construction salaries and other related costs |
$ 900,000 |
|
$ 900,000 |
|
|
| Construction, tenant improvement, and development in-progress |
49,200,000 |
40,800,000 |
|
|
|
| Maximum period after cessation of major construction activity that projects are considered complete |
1 year |
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|
|
|
| Threshold of investment value for discontinuation of equity method accounting |
0 |
|
|
|
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| Amortization of deferred financing costs |
769,000 |
|
773,000 |
|
|
| Deferred leasing costs |
1,031,000 |
|
1,173,000 |
|
|
| Deferred tax asset |
14,400,000 |
|
|
|
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| Income taxes, material adjustment amount |
0 |
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|
|
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| Common stock, shares outstanding |
88,630,146 |
88,247,591 |
|
88,461,183 |
87,928,002 |
| Common units outstanding |
11,518,069 |
11,864,775 |
|
11,518,069 |
11,864,775 |
| Distributions payable, record date |
Apr.
03,
2014 |
Jan.
06,
2014 |
|
|
|
| Common stock dividends and common unit distributions per share |
$ 0.30 |
$ 0.30 |
|
|
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| Restricted stock expense |
3,387,000 |
|
845,000 |
|
|
| Common stock dividends and common unit distributions payable, date |
Apr. 11,
2014 |
Jan. 15,
2014 |
|
|
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| Difference between other comprehensive income and net income |
0 |
|
0 |
|
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| Accumulated other comprehensive income |
0 |
0 |
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|
Executive Officer [Member]
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| Significant Accounting Policies [Line Items] |
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| Restricted stock expense |
$ 3,203,000 |
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