Fair Value Measurements - Schedule of Company's Assets Accounted for at Fair Value on a Nonrecurring Basis (Details) - Fair Value, Measurements, Nonrecurring - USD ($)
$ in Thousands |
Dec. 31, 2017 |
Dec. 31, 2016 |
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Fair value of long-lived assets held and used |
$ 28,312
|
$ 44,698
|
| Fair value of lease intangible assets |
|
6,384
|
| Fair value of other assets |
|
27
|
| Fair value of long-lived assets held for sale |
42,142
|
24,493
|
| Level 1 |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Fair value of long-lived assets held and used |
0
|
0
|
| Fair value of lease intangible assets |
|
0
|
| Fair value of other assets |
|
0
|
| Fair value of long-lived assets held for sale |
0
|
0
|
| Level 2 |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Fair value of long-lived assets held and used |
0
|
0
|
| Fair value of lease intangible assets |
|
0
|
| Fair value of other assets |
|
0
|
| Fair value of long-lived assets held for sale |
0
|
0
|
| Level 3 |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Fair value of long-lived assets held and used |
28,312
|
44,698
|
| Fair value of lease intangible assets |
|
6,384
|
| Fair value of other assets |
|
27
|
| Fair value of long-lived assets held for sale |
42,142
|
24,493
|
| Retail |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Fair value of long-lived assets held and used |
21,598
|
33,766
|
| Retail | Level 1 |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Fair value of long-lived assets held and used |
|
0
|
| Retail | Level 2 |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Fair value of long-lived assets held and used |
|
0
|
| Retail | Level 3 |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Fair value of long-lived assets held and used |
21,598
|
33,766
|
| Industrial |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Fair value of long-lived assets held and used |
750
|
2,394
|
| Industrial | Level 1 |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Fair value of long-lived assets held and used |
|
0
|
| Industrial | Level 2 |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Fair value of long-lived assets held and used |
|
0
|
| Industrial | Level 3 |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Fair value of long-lived assets held and used |
750
|
2,394
|
| Office |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Fair value of long-lived assets held and used |
5,964
|
8,538
|
| Office | Level 1 |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Fair value of long-lived assets held and used |
|
0
|
| Office | Level 2 |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Fair value of long-lived assets held and used |
|
0
|
| Office | Level 3 |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Fair value of long-lived assets held and used |
$ 5,964
|
$ 8,538
|