Real Estate and Intangible Assets - Fair Value of Acquired Assets and Liabilities Assumed (Detail) (USD $) In Thousands, unless otherwise specified
|
6 Months Ended |
Jun. 30, 2013
|
Jun. 30, 2012
|
Loans At Acquisition Date [Line Items] |
|
|
Total Purchase Price |
$ 36,738
|
$ 42,565
|
Egg Harbor Township, NJ [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Total Purchase Price |
5,650
|
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Brookwood, AL [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Total Purchase Price |
13,388
|
|
Blaine, MN [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Total Purchase Price |
14,450
|
|
Ashburn, VA [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
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Total Purchase Price |
|
10,775
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Ottumwa, IA [Member]
|
|
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Loans At Acquisition Date [Line Items] |
|
|
Total Purchase Price |
|
7,100
|
New Albany, OH [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Total Purchase Price |
|
13,333
|
Columbus, GA [Member]
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|
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Loans At Acquisition Date [Line Items] |
|
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Total Purchase Price |
|
7,320
|
Columbus, OH [Member]
|
|
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Loans At Acquisition Date [Line Items] |
|
|
Total Purchase Price |
|
4,037
|
Customer Relationships [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
1,702
|
2,601
|
Customer Relationships [Member] | Egg Harbor Township, NJ [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
259
|
|
Customer Relationships [Member] | Brookwood, AL [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
627
|
|
Customer Relationships [Member] | Blaine, MN [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
816
|
|
Customer Relationships [Member] | Ashburn, VA [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
|
499
|
Customer Relationships [Member] | Ottumwa, IA [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
|
499
|
Customer Relationships [Member] | New Albany, OH [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
|
903
|
Customer Relationships [Member] | Columbus, GA [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
|
375
|
Customer Relationships [Member] | Columbus, OH [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
|
325
|
Above Market Leases [Member]
|
|
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Loans At Acquisition Date [Line Items] |
|
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Fair value of acquired assets and liabilities assumed related to the properties acquired |
|
160
|
Above Market Leases [Member] | New Albany, OH [Member]
|
|
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Loans At Acquisition Date [Line Items] |
|
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Fair value of acquired assets and liabilities assumed related to the properties acquired |
|
47
|
Above Market Leases [Member] | Columbus, OH [Member]
|
|
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Loans At Acquisition Date [Line Items] |
|
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Fair value of acquired assets and liabilities assumed related to the properties acquired |
|
113
|
Below Market Leases [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
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Fair value of acquired assets and liabilities assumed related to the properties acquired |
|
107
|
Below Market Leases [Member] | Ottumwa, IA [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
|
107
|
Land [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
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Fair value of acquired assets and liabilities assumed related to the properties acquired |
3,144
|
4,496
|
Land [Member] | Egg Harbor Township, NJ [Member]
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|
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Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
1,627
|
|
Land [Member] | Brookwood, AL [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
457
|
|
Land [Member] | Blaine, MN [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
1,060
|
|
Land [Member] | Ashburn, VA [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
|
706
|
Land [Member] | Ottumwa, IA [Member]
|
|
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Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
|
212
|
Land [Member] | New Albany, OH [Member]
|
|
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Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
|
1,658
|
Land [Member] | Columbus, GA [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
|
1,378
|
Land [Member] | Columbus, OH [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
|
542
|
Building [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
21,803
|
24,555
|
Building [Member] | Egg Harbor Township, NJ [Member]
|
|
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Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
2,735
|
|
Building [Member] | Brookwood, AL [Member]
|
|
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Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
9,721
|
|
Building [Member] | Blaine, MN [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
9,347
|
|
Building [Member] | Ashburn, VA [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
|
6,551
|
Building [Member] | Ottumwa, IA [Member]
|
|
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Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
|
4,743
|
Building [Member] | New Albany, OH [Member]
|
|
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Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
|
7,511
|
Building [Member] | Columbus, GA [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
|
3,894
|
Building [Member] | Columbus, OH [Member]
|
|
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Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
|
1,856
|
Tenant Improvements [Member]
|
|
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Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
2,262
|
4,094
|
Tenant Improvements [Member] | Egg Harbor Township, NJ [Member]
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|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
282
|
|
Tenant Improvements [Member] | Brookwood, AL [Member]
|
|
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Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
808
|
|
Tenant Improvements [Member] | Blaine, MN [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
1,172
|
|
Tenant Improvements [Member] | Ashburn, VA [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
|
1,307
|
Tenant Improvements [Member] | Ottumwa, IA [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
|
329
|
Tenant Improvements [Member] | New Albany, OH [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
|
1,235
|
Tenant Improvements [Member] | Columbus, GA [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
|
626
|
Tenant Improvements [Member] | Columbus, OH [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
|
597
|
In-place Leases [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
3,016
|
3,831
|
In-place Leases [Member] | Egg Harbor Township, NJ [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
558
|
|
In-place Leases [Member] | Brookwood, AL [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
1,097
|
|
In-place Leases [Member] | Blaine, MN [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
1,361
|
|
In-place Leases [Member] | Ashburn, VA [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
|
804
|
In-place Leases [Member] | Ottumwa, IA [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
|
940
|
In-place Leases [Member] | New Albany, OH [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
|
1,122
|
In-place Leases [Member] | Columbus, GA [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
|
574
|
In-place Leases [Member] | Columbus, OH [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
|
391
|
Leasing Costs [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
1,561
|
2,935
|
Leasing Costs [Member] | Egg Harbor Township, NJ [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
189
|
|
Leasing Costs [Member] | Brookwood, AL [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
678
|
|
Leasing Costs [Member] | Blaine, MN [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
694
|
|
Leasing Costs [Member] | Ashburn, VA [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
|
908
|
Leasing Costs [Member] | Ottumwa, IA [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
|
484
|
Leasing Costs [Member] | New Albany, OH [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
|
857
|
Leasing Costs [Member] | Columbus, GA [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
|
473
|
Leasing Costs [Member] | Columbus, OH [Member]
|
|
|
Loans At Acquisition Date [Line Items] |
|
|
Fair value of acquired assets and liabilities assumed related to the properties acquired |
|
$ 213
|