Significant Accounting Policies (Narrative) (Details) - USD ($)
|
3 Months Ended |
|
|
Mar. 31, 2018 |
Dec. 31, 2017 |
Mar. 31, 2017 |
Apr. 13, 2018 |
Jan. 03, 2018 |
| Significant Accounting Policies [Line Items] |
|
|
|
|
|
| Capitalized development and construction salaries and other related costs |
$ 600,000
|
|
$ 600,000
|
|
|
| Maximum period after cessation of major construction activity that projects are considered complete |
1 year
|
|
|
|
|
| Threshold of investment value for discontinuation of equity method accounting |
$ 0
|
|
|
|
|
| Amortization of deferred financing costs |
1,096,000
|
|
1,103,000
|
|
|
| Loss from extinguishment of debt, net |
(10,289,000)
|
|
(239,000)
|
|
|
| Write off of unamortized deferred financing costs |
105,000
|
|
0
|
|
|
| Deferred leasing costs |
693,000
|
|
1,042,000
|
|
|
| Deferred tax asset |
9,700,000
|
|
|
|
|
| Income taxes, material adjustment amount |
$ 0
|
|
|
|
|
| Common stock, shares outstanding |
90,136,278
|
89,914,113
|
|
|
89,914,658
|
| Common units outstanding |
10,214,140
|
10,438,855
|
|
|
10,438,855
|
| LTIP units outstanding |
1,200,836
|
1,230,877
|
|
|
1,230,877
|
| Distributions payable, record date |
Apr. 03, 2018
|
Jan. 03, 2018
|
|
|
|
| Distributions payable, approved date |
Mar. 14, 2018
|
Dec. 12, 2017
|
|
|
|
| Common stock dividends and common unit distributions per share |
$ 0.20
|
$ 0.20
|
|
|
|
| Restricted stock expense |
$ 2,532,000
|
|
$ 1,053,000
|
|
|
| Distributions payable, pay date |
Apr. 13, 2018
|
Jan. 12, 2018
|
|
|
|
| Federal income tax rate |
21.00%
|
|
|
|
|
| Subsequent Event [Member] |
|
|
|
|
|
| Significant Accounting Policies [Line Items] |
|
|
|
|
|
| Common stock, shares outstanding |
|
|
|
90,135,433
|
|
| Common units outstanding |
|
|
|
10,214,140
|
|
| LTIP units outstanding |
|
|
|
1,200,836
|
|