Real Estate and Intangible Assets - Fair Value of Acquired Assets and Assumed Liabilities (Detail) (USD $) In Thousands, unless otherwise specified
|
6 Months Ended |
Jun. 30, 2014
|
Jun. 30, 2013
|
Business Acquisition [Line Items] |
|
|
Total Purchase Price |
$ 74,911
|
$ 33,488
|
Customer Relationships [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
4,767
|
1,702
|
Above Market Leases [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
261
|
|
Below Market Leases [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
6
|
|
Discount on Assumed Debt [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
249
|
|
Allen, TX [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Total Purchase Price |
5,525
|
|
Allen, TX [Member] | Customer Relationships [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
218
|
|
Allen, TX [Member] | Discount on Assumed Debt [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
72
|
|
Colleyville, TX [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Total Purchase Price |
4,523
|
|
Colleyville, TX [Member] | Customer Relationships [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
181
|
|
Colleyville, TX [Member] | Below Market Leases [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
6
|
|
Colleyville, TX [Member] | Discount on Assumed Debt [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
59
|
|
Rancho Cordova, CA [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Total Purchase Price |
8,225
|
|
Rancho Cordova, CA [Member] | Customer Relationships [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
278
|
|
Coppell, TX [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Total Purchase Price |
5,838
|
|
Coppell, TX [Member] | Customer Relationships [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
230
|
|
Coppell, TX [Member] | Discount on Assumed Debt [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
118
|
|
Columbus, OH [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Total Purchase Price |
11,800
|
|
Columbus, OH [Member] | Customer Relationships [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
990
|
|
Columbus, OH [Member] | Above Market Leases [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
261
|
|
Taylor, PA [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Total Purchase Price |
39,000
|
|
Taylor, PA [Member] | Customer Relationships [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
2,870
|
|
Egg Harbor Township, NJ [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Total Purchase Price |
|
5,650
|
Egg Harbor Township, NJ [Member] | Customer Relationships [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
|
259
|
Vance, AL [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Total Purchase Price |
|
13,388
|
Vance, AL [Member] | Customer Relationships [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
|
627
|
Blaine, MN [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Total Purchase Price |
|
14,450
|
Blaine, MN [Member] | Customer Relationships [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
|
816
|
Land [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
8,443
|
3,144
|
Land [Member] | Allen, TX [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
874
|
|
Land [Member] | Colleyville, TX [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
1,277
|
|
Land [Member] | Rancho Cordova, CA [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
752
|
|
Land [Member] | Coppell, TX [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
1,448
|
|
Land [Member] | Columbus, OH [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
990
|
|
Land [Member] | Taylor, PA [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
3,102
|
|
Land [Member] | Egg Harbor Township, NJ [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
|
1,627
|
Land [Member] | Vance, AL [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
|
457
|
Land [Member] | Blaine, MN [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
|
1,060
|
Building [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
45,464
|
21,803
|
Building [Member] | Allen, TX [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
3,509
|
|
Building [Member] | Colleyville, TX [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
2,307
|
|
Building [Member] | Rancho Cordova, CA [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
5,898
|
|
Building [Member] | Coppell, TX [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
3,221
|
|
Building [Member] | Columbus, OH [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
6,080
|
|
Building [Member] | Taylor, PA [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
24,449
|
|
Building [Member] | Egg Harbor Township, NJ [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
|
2,735
|
Building [Member] | Vance, AL [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
|
9,721
|
Building [Member] | Blaine, MN [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
|
9,347
|
Tenant Improvements [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
3,541
|
2,262
|
Tenant Improvements [Member] | Allen, TX [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
125
|
|
Tenant Improvements [Member] | Colleyville, TX [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
117
|
|
Tenant Improvements [Member] | Rancho Cordova, CA [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
278
|
|
Tenant Improvements [Member] | Coppell, TX [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
128
|
|
Tenant Improvements [Member] | Columbus, OH [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
1,937
|
|
Tenant Improvements [Member] | Taylor, PA [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
956
|
|
Tenant Improvements [Member] | Egg Harbor Township, NJ [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
|
282
|
Tenant Improvements [Member] | Vance, AL [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
|
808
|
Tenant Improvements [Member] | Blaine, MN [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
|
1,172
|
In-Place Leases [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
9,187
|
3,016
|
In-Place Leases [Member] | Allen, TX [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
598
|
|
In-Place Leases [Member] | Colleyville, TX [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
486
|
|
In-Place Leases [Member] | Rancho Cordova, CA [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
473
|
|
In-Place Leases [Member] | Coppell, TX [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
636
|
|
In-Place Leases [Member] | Columbus, OH [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
823
|
|
In-Place Leases [Member] | Taylor, PA [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
6,171
|
|
In-Place Leases [Member] | Egg Harbor Township, NJ [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
|
558
|
In-Place Leases [Member] | Vance, AL [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
|
1,097
|
In-Place Leases [Member] | Blaine, MN [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
|
1,361
|
Leasing Costs [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
3,503
|
1,561
|
Leasing Costs [Member] | Allen, TX [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
273
|
|
Leasing Costs [Member] | Colleyville, TX [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
220
|
|
Leasing Costs [Member] | Rancho Cordova, CA [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
546
|
|
Leasing Costs [Member] | Coppell, TX [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
293
|
|
Leasing Costs [Member] | Columbus, OH [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
719
|
|
Leasing Costs [Member] | Taylor, PA [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
1,452
|
|
Leasing Costs [Member] | Egg Harbor Township, NJ [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
|
189
|
Leasing Costs [Member] | Vance, AL [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
|
678
|
Leasing Costs [Member] | Blaine, MN [Member]
|
|
|
Business Acquisition [Line Items] |
|
|
Fair value of acquired assets related to the properties acquired |
|
$ 694
|