Summary of Significant Accounting Policies - Schedule of Restricted Cash and Deposits in Escrow, Classified Within Deferred Costs and Other Assets, Net (Details) - USD ($) $ in Thousands |
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
| Restricted Cash and Cash Equivalents Items [Line Items] |
|
|
|
|
| Cash and cash equivalents |
$ 8,798
|
$ 10,059
|
$ 21,790
|
|
| Total cash, cash equivalents and restricted cash |
114,707
|
36,898
|
99,435
|
$ 276,525
|
| Collateral deposits |
|
|
|
|
| Restricted Cash and Cash Equivalents Items [Line Items] |
|
|
|
|
| Restricted cash |
1,751
|
2,044
|
15,500
|
|
| Tenant improvements, repairs and leasing commissions |
|
|
|
|
| Restricted Cash and Cash Equivalents Items [Line Items] |
|
|
|
|
| Restricted cash |
8,257
|
9,739
|
8,362
|
|
| Master Trust Release |
|
|
|
|
| Restricted Cash and Cash Equivalents Items [Line Items] |
|
|
|
|
| Restricted cash |
85,703
|
14,412
|
12,091
|
|
| Liquidity reserve |
|
|
|
|
| Restricted Cash and Cash Equivalents Items [Line Items] |
|
|
|
|
| Restricted cash |
5,503
|
0
|
0
|
|
| 1031 Exchange proceeds, net |
|
|
|
|
| Restricted Cash and Cash Equivalents Items [Line Items] |
|
|
|
|
| Restricted cash |
0
|
0
|
39,869
|
|
| Other |
|
|
|
|
| Restricted Cash and Cash Equivalents Items [Line Items] |
|
|
|
|
| Restricted cash |
$ 4,695
|
$ 644
|
$ 1,823
|
|