SCHEDULE III (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2016		Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[1],[2]	$ 258,594
Initial Cost to the Company [Abstract]
Land	[1],[2]	428,248
Buildings and Improvements	[1],[2]	1,012,033
Costs Capitalized Subsequent to Acquisition	[1],[2]	966,700
Gross Amount at which Carried at Close of Period [Abstract]
Land	[1],[2]	433,278
Buildings and Improvements	[1],[2]	1,973,703
Total	[3]	2,406,981	[1],[2]	$ 2,219,448	$ 2,074,946	$ 1,927,326
Accumulated Depreciation		$ 694,250	[1],[2]	$ 657,454	$ 600,526	$ 550,113
Year Constructed		1998
Industrial [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 258,594
Initial Cost to the Company [Abstract]
Land	[4]	306,373
Buildings and Improvements	[4]	949,399
Costs Capitalized Subsequent to Acquisition	[4]	857,301
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	308,931
Buildings and Improvements	[4]	1,804,142
Total	[4]	2,113,073
Accumulated Depreciation	[4]	693,887
Industrial [Member] | Denver [Member] | Concord Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[5]	3,599
Industrial Development [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[6]	0
Initial Cost to the Company [Abstract]
Land	[6]	121,875
Buildings and Improvements	[6]	62,634
Costs Capitalized Subsequent to Acquisition	[6]	109,399
Gross Amount at which Carried at Close of Period [Abstract]
Land	[6]	124,347
Buildings and Improvements	[6]	169,561
Total	[6]	293,908
Accumulated Depreciation	[6]	363
COLORADO | Industrial [Member] | Denver [Member] | Rampart Distribution Center I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	0
Initial Cost to the Company [Abstract]
Land	[4]	1,023
Buildings and Improvements	[4]	3,861
Costs Capitalized Subsequent to Acquisition	[4]	1,973
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	1,023
Buildings and Improvements	[4]	5,834
Total	[4]	6,857
Accumulated Depreciation	[4]	$ 4,040
Year Acquired	[4]	1988
Year Constructed	[4]	1987
COLORADO | Industrial [Member] | Denver [Member] | Rampart Distribution Center II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	230
Buildings and Improvements	[4]	2,977
Costs Capitalized Subsequent to Acquisition	[4]	1,164
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	230
Buildings and Improvements	[4]	4,141
Total	[4]	4,371
Accumulated Depreciation	[4]	$ 2,697
Year Acquired	[4]	1996/97
Year Constructed	[4]	1996/97
COLORADO | Industrial [Member] | Denver [Member] | Rampart Distribution Center III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	1,098
Buildings and Improvements	[4]	3,884
Costs Capitalized Subsequent to Acquisition	[4]	1,866
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	1,098
Buildings and Improvements	[4]	5,750
Total	[4]	6,848
Accumulated Depreciation	[4]	$ 2,876
Year Acquired	[4]	1997/98
Year Constructed	[4]	1999
COLORADO | Industrial [Member] | Denver [Member] | Rampart Distribution Center IV [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	590
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	8,128
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	590
Buildings and Improvements	[4]	8,128
Total	[4]	8,718
Accumulated Depreciation	[4]	$ 319
Year Acquired	[4]	2012
Year Constructed	[4]	2014
COLORADO | Industrial [Member] | Denver [Member] | Concord Distribution Center [Member]
Initial Cost to the Company [Abstract]
Land	[4],[5]	$ 1,051
Buildings and Improvements	[4],[5]	4,773
Costs Capitalized Subsequent to Acquisition	[4],[5]	439
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[5]	1,051
Buildings and Improvements	[4],[5]	5,212
Total	[4],[5]	6,263
Accumulated Depreciation	[4],[5]	$ 1,879
Year Acquired	[4],[5]	2007
Year Constructed	[4],[5]	2000
COLORADO | Industrial [Member] | Denver [Member] | Centennial Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[7]	$ 3,541
Initial Cost to the Company [Abstract]
Land	[4],[7]	750
Buildings and Improvements	[4],[7]	3,319
Costs Capitalized Subsequent to Acquisition	[4],[7]	1,738
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[7]	750
Buildings and Improvements	[4],[7]	5,057
Total	[4],[7]	5,807
Accumulated Depreciation	[4],[7]	$ 1,697
Year Acquired	[4],[7]	2007
Year Constructed	[4],[7]	1990
LOUISIANA | Industrial [Member] | New Orleans [Member] | Elmwood Business Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	2,861
Buildings and Improvements	[4]	6,337
Costs Capitalized Subsequent to Acquisition	[4]	4,536
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	2,861
Buildings and Improvements	[4]	10,873
Total	[4]	13,734
Accumulated Depreciation	[4]	$ 7,492
Year Acquired	[4]	1997
Year Constructed	[4]	1979
LOUISIANA | Industrial [Member] | New Orleans [Member] | Riverbend Business Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	2,557
Buildings and Improvements	[4]	17,623
Costs Capitalized Subsequent to Acquisition	[4]	6,762
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	2,557
Buildings and Improvements	[4]	24,385
Total	[4]	26,942
Accumulated Depreciation	[4]	$ 13,630
Year Acquired	[4]	1997
Year Constructed	[4]	1984
CALIFORNIA | Industrial [Member] | San Francisco area [Member] | Wiegman Distribution Center I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	2,197
Buildings and Improvements	[4]	8,788
Costs Capitalized Subsequent to Acquisition	[4]	2,094
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	2,308
Buildings and Improvements	[4]	10,771
Total	[4]	13,079
Accumulated Depreciation	[4]	$ 5,868
Year Acquired	[4]	1996
Year Constructed	[4]	1986/87
CALIFORNIA | Industrial [Member] | San Francisco area [Member] | Wiegman Distribution Center II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	2,579
Buildings and Improvements	[4]	4,316
Costs Capitalized Subsequent to Acquisition	[4]	152
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	2,579
Buildings and Improvements	[4]	4,468
Total	[4]	7,047
Accumulated Depreciation	[4]	$ 564
Year Acquired	[4]	2012
Year Constructed	[4]	1998
CALIFORNIA | Industrial [Member] | San Francisco area [Member] | Huntwood Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	3,842
Buildings and Improvements	[4]	15,368
Costs Capitalized Subsequent to Acquisition	[4]	3,054
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	3,842
Buildings and Improvements	[4]	18,422
Total	[4]	22,264
Accumulated Depreciation	[4]	$ 10,214
Year Acquired	[4]	1996
Year Constructed	[4]	1988
CALIFORNIA | Industrial [Member] | San Francisco area [Member] | San Clemente Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	893
Buildings and Improvements	[4]	2,004
Costs Capitalized Subsequent to Acquisition	[4]	932
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	893
Buildings and Improvements	[4]	2,936
Total	[4]	3,829
Accumulated Depreciation	[4]	$ 1,748
Year Acquired	[4]	1997
Year Constructed	[4]	1978
CALIFORNIA | Industrial [Member] | San Francisco area [Member] | Yosemite Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	259
Buildings and Improvements	[4]	7,058
Costs Capitalized Subsequent to Acquisition	[4]	1,344
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	259
Buildings and Improvements	[4]	8,402
Total	[4]	8,661
Accumulated Depreciation	[4]	$ 4,441
Year Acquired	[4]	1999
Year Constructed	[4]	1974/87
CALIFORNIA | Industrial [Member] | Los Angeles area [Member] | Kingsview Industrial Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[8]	$ 2,454
Initial Cost to the Company [Abstract]
Land	[4],[8]	643
Buildings and Improvements	[4],[8]	2,573
Costs Capitalized Subsequent to Acquisition	[4],[8]	628
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[8]	643
Buildings and Improvements	[4],[8]	3,201
Total	[4],[8]	3,844
Accumulated Depreciation	[4],[8]	$ 1,833
Year Acquired	[4],[8]	1996
Year Constructed	[4],[8]	1980
CALIFORNIA | Industrial [Member] | Los Angeles area [Member] | Dominguez Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[8]	$ 7,152
Initial Cost to the Company [Abstract]
Land	[4],[8]	2,006
Buildings and Improvements	[4],[8]	8,025
Costs Capitalized Subsequent to Acquisition	[4],[8]	1,170
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[8]	2,006
Buildings and Improvements	[4],[8]	9,195
Total	[4],[8]	11,201
Accumulated Depreciation	[4],[8]	$ 5,327
Year Acquired	[4],[8]	1996
Year Constructed	[4],[8]	1977
CALIFORNIA | Industrial [Member] | Los Angeles area [Member] | Main Street Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	1,606
Buildings and Improvements	[4]	4,103
Costs Capitalized Subsequent to Acquisition	[4]	836
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	1,606
Buildings and Improvements	[4]	4,939
Total	[4]	6,545
Accumulated Depreciation	[4]	$ 2,636
Year Acquired	[4]	1999
Year Constructed	[4]	1999
CALIFORNIA | Industrial [Member] | Los Angeles area [Member] | Walnut Business Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[8]	$ 6,667
Initial Cost to the Company [Abstract]
Land	[4],[8]	2,885
Buildings and Improvements	[4],[8]	5,274
Costs Capitalized Subsequent to Acquisition	[4],[8]	2,282
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[8]	2,885
Buildings and Improvements	[4],[8]	7,556
Total	[4],[8]	10,441
Accumulated Depreciation	[4],[8]	$ 3,771
Year Acquired	[4],[8]	1996
Year Constructed	[4],[8]	1966/90
CALIFORNIA | Industrial [Member] | Los Angeles area [Member] | Washington Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[8]	$ 4,593
Initial Cost to the Company [Abstract]
Land	[4],[8]	1,636
Buildings and Improvements	[4],[8]	4,900
Costs Capitalized Subsequent to Acquisition	[4],[8]	658
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[8]	1,636
Buildings and Improvements	[4],[8]	5,558
Total	[4],[8]	7,194
Accumulated Depreciation	[4],[8]	$ 2,987
Year Acquired	[4],[8]	1997
Year Constructed	[4],[8]	1996/97
CALIFORNIA | Industrial [Member] | Los Angeles area [Member] | Chino Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[9]	$ 8,113
Initial Cost to the Company [Abstract]
Land	[4],[9]	2,544
Buildings and Improvements	[4],[9]	10,175
Costs Capitalized Subsequent to Acquisition	[4],[9]	1,623
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[9]	2,544
Buildings and Improvements	[4],[9]	11,798
Total	[4],[9]	14,342
Accumulated Depreciation	[4],[9]	$ 7,458
Year Acquired	[4],[9]	1998
Year Constructed	[4],[9]	1980
CALIFORNIA | Industrial [Member] | Los Angeles area [Member] | Ramona Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 2,666
Initial Cost to the Company [Abstract]
Land	[4]	3,761
Buildings and Improvements	[4]	5,751
Costs Capitalized Subsequent to Acquisition	[4]	3
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	3,761
Buildings and Improvements	[4]	5,754
Total	[4]	9,515
Accumulated Depreciation	[4]	$ 330
Year Acquired	[4]	2014
Year Constructed	[4]	1984
CALIFORNIA | Industrial [Member] | Los Angeles area [Member] | Industry Distribution Center I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[8]	$ 17,260
Initial Cost to the Company [Abstract]
Land	[4],[8]	10,230
Buildings and Improvements	[4],[8]	12,373
Costs Capitalized Subsequent to Acquisition	[4],[8]	4,427
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[8]	10,230
Buildings and Improvements	[4],[8]	16,800
Total	[4],[8]	27,030
Accumulated Depreciation	[4],[8]	$ 8,178
Year Acquired	[4],[8]	1998
Year Constructed	[4],[8]	1959
CALIFORNIA | Industrial [Member] | Los Angeles area [Member] | Industry Distribution Center III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[8]	$ 1,823
Initial Cost to the Company [Abstract]
Land	[4],[8]	0
Buildings and Improvements	[4],[8]	3,012
Costs Capitalized Subsequent to Acquisition	[4],[8]	(157)
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[8]	0
Buildings and Improvements	[4],[8]	2,855
Total	[4],[8]	2,855
Accumulated Depreciation	[4],[8]	$ 2,855
Year Acquired	[4],[8]	2007
Year Constructed	[4],[8]	1992
CALIFORNIA | Industrial [Member] | Los Angeles area [Member] | Chestnut Business Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	1,674
Buildings and Improvements	[4]	3,465
Costs Capitalized Subsequent to Acquisition	[4]	250
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	1,674
Buildings and Improvements	[4]	3,715
Total	[4]	5,389
Accumulated Depreciation	[4]	$ 1,814
Year Acquired	[4]	1998
Year Constructed	[4]	1999
CALIFORNIA | Industrial [Member] | Los Angeles area [Member] | Los Angeles Corporate Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	1,363
Buildings and Improvements	[4]	5,453
Costs Capitalized Subsequent to Acquisition	[4]	3,056
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	1,363
Buildings and Improvements	[4]	8,509
Total	[4]	9,872
Accumulated Depreciation	[4]	$ 5,521
Year Acquired	[4]	1996
Year Constructed	[4]	1986
CALIFORNIA | Industrial [Member] | Santa Barbara [Member] | University Business Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	5,517
Buildings and Improvements	[4]	22,067
Costs Capitalized Subsequent to Acquisition	[4]	6,679
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	5,519
Buildings and Improvements	[4]	28,744
Total	[4]	34,263
Accumulated Depreciation	[4]	$ 16,120
Year Acquired	[4]	1996
Year Constructed	[4]	1987/88
CALIFORNIA | Industrial [Member] | Fresno [Member] | Shaw Commerce Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[8]	$ 12,282
Initial Cost to the Company [Abstract]
Land	[4],[8]	2,465
Buildings and Improvements	[4],[8]	11,627
Costs Capitalized Subsequent to Acquisition	[4],[8]	5,144
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[8]	2,465
Buildings and Improvements	[4],[8]	16,771
Total	[4],[8]	19,236
Accumulated Depreciation	[4],[8]	$ 10,095
Year Acquired	[4],[8]	1998
Year Constructed	[4],[8]	1978/81/87
CALIFORNIA | Industrial [Member] | San Diego [Member] | Eastlake Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	3,046
Buildings and Improvements	[4]	6,888
Costs Capitalized Subsequent to Acquisition	[4]	1,767
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	3,046
Buildings and Improvements	[4]	8,655
Total	[4]	11,701
Accumulated Depreciation	[4]	$ 5,099
Year Acquired	[4]	1997
Year Constructed	[4]	1989
CALIFORNIA | Industrial [Member] | San Diego [Member] | Ocean View Corporate Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[7]	$ 8,819
Initial Cost to the Company [Abstract]
Land	[4],[7]	6,577
Buildings and Improvements	[4],[7]	7,105
Costs Capitalized Subsequent to Acquisition	[4],[7]	779
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[7]	6,577
Buildings and Improvements	[4],[7]	7,884
Total	[4],[7]	14,461
Accumulated Depreciation	[4],[7]	$ 2,393
Year Acquired	[4],[7]	2010
Year Constructed	[4],[7]	2005
MISSISSIPPI | Industrial [Member] | Jackson area [Member] | Interchange Business Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	343
Buildings and Improvements	[4]	5,007
Costs Capitalized Subsequent to Acquisition	[4]	3,246
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	343
Buildings and Improvements	[4]	8,253
Total	[4]	8,596
Accumulated Depreciation	[4]	$ 5,279
Year Acquired	[4]	1997
Year Constructed	[4]	1981
MISSISSIPPI | Industrial [Member] | Jackson area [Member] | Tower Automotive [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	0
Buildings and Improvements	[4]	9,958
Costs Capitalized Subsequent to Acquisition	[4]	1,256
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	17
Buildings and Improvements	[4]	11,197
Total	[4]	11,214
Accumulated Depreciation	[4]	$ 4,633
Year Acquired	[4]	2001
Year Constructed	[4]	2002
MISSISSIPPI | Industrial [Member] | Jackson area [Member] | Metro Airport Commerce Center I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	303
Buildings and Improvements	[4]	1,479
Costs Capitalized Subsequent to Acquisition	[4]	1,074
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	303
Buildings and Improvements	[4]	2,553
Total	[4]	2,856
Accumulated Depreciation	[4]	$ 1,505
Year Acquired	[4]	2001
Year Constructed	[4]	2003
MISSISSIPPI | Industrial Development [Member] | Metro Airport Commerce Center II land [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[6]	$ 0
Initial Cost to the Company [Abstract]
Land	[6]	307
Buildings and Improvements	[6]	0
Costs Capitalized Subsequent to Acquisition	[6]	399
Gross Amount at which Carried at Close of Period [Abstract]
Land	[6]	307
Buildings and Improvements	[6]	399
Total	[6]	706
Accumulated Depreciation	[6]	$ 0
Year Acquired	[6]	2001
Year Constructed	[6]	n/a
NORTH CAROLINA | Industrial [Member] | Charlotte [Member] | NorthPark Business Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[9]	$ 12,858
Initial Cost to the Company [Abstract]
Land	[4],[9]	2,758
Buildings and Improvements	[4],[9]	15,932
Costs Capitalized Subsequent to Acquisition	[4],[9]	4,039
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[9]	2,758
Buildings and Improvements	[4],[9]	19,971
Total	[4],[9]	22,729
Accumulated Depreciation	[4],[9]	$ 8,680
Year Acquired	[4],[9]	2006
Year Constructed	[4],[9]	1987-89
NORTH CAROLINA | Industrial [Member] | Charlotte [Member] | Lindbergh Business Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	470
Buildings and Improvements	[4]	3,401
Costs Capitalized Subsequent to Acquisition	[4]	453
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	470
Buildings and Improvements	[4]	3,854
Total	[4]	4,324
Accumulated Depreciation	[4]	$ 1,485
Year Acquired	[4]	2007
Year Constructed	[4]	2001/03
NORTH CAROLINA | Industrial [Member] | Charlotte [Member] | Commerce Park I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	765
Buildings and Improvements	[4]	4,303
Costs Capitalized Subsequent to Acquisition	[4]	791
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	765
Buildings and Improvements	[4]	5,094
Total	[4]	5,859
Accumulated Depreciation	[4]	$ 1,842
Year Acquired	[4]	2007
Year Constructed	[4]	1983
NORTH CAROLINA | Industrial [Member] | Charlotte [Member] | Commerce Park II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[5]	$ 1,284
Initial Cost to the Company [Abstract]
Land	[4],[5]	335
Buildings and Improvements	[4],[5]	1,603
Costs Capitalized Subsequent to Acquisition	[4],[5]	297
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[5]	335
Buildings and Improvements	[4],[5]	1,900
Total	[4],[5]	2,235
Accumulated Depreciation	[4],[5]	$ 555
Year Acquired	[4],[5]	2010
Year Constructed	[4],[5]	1987
NORTH CAROLINA | Industrial [Member] | Charlotte [Member] | Commerce Park III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[5]	$ 2,135
Initial Cost to the Company [Abstract]
Land	[4],[5]	558
Buildings and Improvements	[4],[5]	2,225
Costs Capitalized Subsequent to Acquisition	[4],[5]	932
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[5]	558
Buildings and Improvements	[4],[5]	3,157
Total	[4],[5]	3,715
Accumulated Depreciation	[4],[5]	$ 844
Year Acquired	[4],[5]	2010
Year Constructed	[4],[5]	1981
NORTH CAROLINA | Industrial [Member] | Charlotte [Member] | Nations Ford Business Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	3,924
Buildings and Improvements	[4]	16,171
Costs Capitalized Subsequent to Acquisition	[4]	3,251
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	3,924
Buildings and Improvements	[4]	19,422
Total	[4]	23,346
Accumulated Depreciation	[4]	$ 8,304
Year Acquired	[4]	2007
Year Constructed	[4]	1989/94
NORTH CAROLINA | Industrial [Member] | Charlotte [Member] | Airport Commerce Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	1,454
Buildings and Improvements	[4]	10,136
Costs Capitalized Subsequent to Acquisition	[4]	1,976
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	1,454
Buildings and Improvements	[4]	12,112
Total	[4]	13,566
Accumulated Depreciation	[4]	$ 3,793
Year Acquired	[4]	2008
Year Constructed	[4]	2001/02
NORTH CAROLINA | Industrial [Member] | Charlotte [Member] | Interchange Park I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[7]	$ 5,804
Initial Cost to the Company [Abstract]
Land	[4],[7]	986
Buildings and Improvements	[4],[7]	7,949
Costs Capitalized Subsequent to Acquisition	[4],[7]	583
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[7]	986
Buildings and Improvements	[4],[7]	8,532
Total	[4],[7]	9,518
Accumulated Depreciation	[4],[7]	$ 2,500
Year Acquired	[4],[7]	2008
Year Constructed	[4],[7]	1989
NORTH CAROLINA | Industrial [Member] | Charlotte [Member] | Interchange Park II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	746
Buildings and Improvements	[4]	1,456
Costs Capitalized Subsequent to Acquisition	[4]	55
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	746
Buildings and Improvements	[4]	1,511
Total	[4]	2,257
Accumulated Depreciation	[4]	$ 173
Year Acquired	[4]	2013
Year Constructed	[4]	2000
NORTH CAROLINA | Industrial [Member] | Charlotte [Member] | Ridge Creek Distribution Center I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	1,284
Buildings and Improvements	[4]	13,163
Costs Capitalized Subsequent to Acquisition	[4]	951
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	1,284
Buildings and Improvements	[4]	14,114
Total	[4]	15,398
Accumulated Depreciation	[4]	$ 3,752
Year Acquired	[4]	2008
Year Constructed	[4]	2006
NORTH CAROLINA | Industrial [Member] | Charlotte [Member] | Ridge Creek Distribution Center II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[5]	$ 9,567
Initial Cost to the Company [Abstract]
Land	[4],[5]	3,033
Buildings and Improvements	[4],[5]	11,497
Costs Capitalized Subsequent to Acquisition	[4],[5]	2,116
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[5]	3,033
Buildings and Improvements	[4],[5]	13,613
Total	[4],[5]	16,646
Accumulated Depreciation	[4],[5]	$ 2,194
Year Acquired	[4],[5]	2011
Year Constructed	[4],[5]	2003
NORTH CAROLINA | Industrial [Member] | Charlotte [Member] | Ridge Creek Distribution Center III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	2,459
Buildings and Improvements	[4]	11,147
Costs Capitalized Subsequent to Acquisition	[4]	381
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	2,459
Buildings and Improvements	[4]	11,528
Total	[4]	13,987
Accumulated Depreciation	[4]	$ 1,115
Year Acquired	[4]	2014
Year Constructed	[4]	2013
NORTH CAROLINA | Industrial [Member] | Charlotte [Member] | Lakeview Business [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[5]	$ 4,237
Initial Cost to the Company [Abstract]
Land	[4],[5]	1,392
Buildings and Improvements	[4],[5]	5,068
Costs Capitalized Subsequent to Acquisition	[4],[5]	912
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[5]	1,392
Buildings and Improvements	[4],[5]	5,980
Total	[4],[5]	7,372
Accumulated Depreciation	[4],[5]	$ 1,258
Year Acquired	[4],[5]	2011
Year Constructed	[4],[5]	1996
NORTH CAROLINA | Industrial [Member] | Charlotte [Member] | Steele Creek I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[10]	$ 2,882
Initial Cost to the Company [Abstract]
Land	[4],[10]	993
Buildings and Improvements	[4],[10]	0
Costs Capitalized Subsequent to Acquisition	[4],[10]	4,314
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[10]	1,010
Buildings and Improvements	[4],[10]	4,297
Total	[4],[10]	5,307
Accumulated Depreciation	[4],[10]	$ 571
Year Acquired	[4],[10]	2013
Year Constructed	[4],[10]	2014
NORTH CAROLINA | Industrial [Member] | Charlotte [Member] | Steele Creek II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[10]	$ 2,932
Initial Cost to the Company [Abstract]
Land	[4],[10]	941
Buildings and Improvements	[4],[10]	0
Costs Capitalized Subsequent to Acquisition	[4],[10]	4,458
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[10]	957
Buildings and Improvements	[4],[10]	4,442
Total	[4],[10]	5,399
Accumulated Depreciation	[4],[10]	$ 510
Year Acquired	[4],[10]	2013
Year Constructed	[4],[10]	2014
NORTH CAROLINA | Industrial [Member] | Charlotte [Member] | Steele Creek III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	1,464
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	6,411
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	1,469
Buildings and Improvements	[4]	6,406
Total	[4]	7,875
Accumulated Depreciation	[4]	$ 588
Year Acquired	[4]	2013
Year Constructed	[4]	2014
NORTH CAROLINA | Industrial [Member] | Charlotte [Member] | Steele Creek IV [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	684
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	3,944
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	687
Buildings and Improvements	[4]	3,941
Total	[4]	4,628
Accumulated Depreciation	[4]	$ 249
Year Acquired	[4]	2013
Year Constructed	[4]	2015
NORTH CAROLINA | Industrial [Member] | Charlotte [Member] | Waterford Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	654
Buildings and Improvements	[4]	3,392
Costs Capitalized Subsequent to Acquisition	[4]	501
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	654
Buildings and Improvements	[4]	3,893
Total	[4]	4,547
Accumulated Depreciation	[4]	$ 1,102
Year Acquired	[4]	2008
Year Constructed	[4]	2000
NORTH CAROLINA | Industrial Development [Member] | Steele Creek VI [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[6]	$ 0
Initial Cost to the Company [Abstract]
Land	[6]	867
Buildings and Improvements	[6]	0
Costs Capitalized Subsequent to Acquisition	[6]	6,139
Gross Amount at which Carried at Close of Period [Abstract]
Land	[6]	870
Buildings and Improvements	[6]	6,136
Total	[6]	7,006
Accumulated Depreciation	[6]	$ 0
Year Acquired	[6]	2013/14
Year Constructed	[6]	2016
NORTH CAROLINA | Industrial Development [Member] | Steele Creek land [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[6]	$ 0
Initial Cost to the Company [Abstract]
Land	[6]	5,731
Buildings and Improvements	[6]	0
Costs Capitalized Subsequent to Acquisition	[6]	1,947
Gross Amount at which Carried at Close of Period [Abstract]
Land	[6]	5,735
Buildings and Improvements	[6]	1,943
Total	[6]	7,678
Accumulated Depreciation	[6]	$ 0
Year Acquired	[6]	2013-2016
Year Constructed	[6]	n/a
NORTH CAROLINA | Industrial Development [Member] | Airport Commerce Center III land [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[6]	$ 0
Initial Cost to the Company [Abstract]
Land	[6]	855
Buildings and Improvements	[6]	0
Costs Capitalized Subsequent to Acquisition	[6]	770
Gross Amount at which Carried at Close of Period [Abstract]
Land	[6]	855
Buildings and Improvements	[6]	770
Total	[6]	1,625
Accumulated Depreciation	[6]	$ 0
Year Acquired	[6]	2008
Year Constructed	[6]	n/a
NEVADA | Industrial [Member] | Las Vegas [Member] | Arville Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	4,933
Buildings and Improvements	[4]	5,094
Costs Capitalized Subsequent to Acquisition	[4]	430
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	4,933
Buildings and Improvements	[4]	5,524
Total	[4]	10,457
Accumulated Depreciation	[4]	$ 1,691
Year Acquired	[4]	2009
Year Constructed	[4]	1997
NEVADA | Industrial Development [Member] | Jones Corporate Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[6]	$ 0
Initial Cost to the Company [Abstract]
Land	[6]	13,068
Buildings and Improvements	[6]	26,325
Costs Capitalized Subsequent to Acquisition	[6]	147
Gross Amount at which Carried at Close of Period [Abstract]
Land	[6]	13,069
Buildings and Improvements	[6]	26,471
Total	[6]	39,540
Accumulated Depreciation	[6]	$ 55
Year Acquired	[6]	2016
Year Constructed	[6]	2016
ARIZONA | Industrial [Member] | Phoenix Area [Member] | Broadway Industrial Park I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	837
Buildings and Improvements	[4]	3,349
Costs Capitalized Subsequent to Acquisition	[4]	1,031
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	837
Buildings and Improvements	[4]	4,380
Total	[4]	5,217
Accumulated Depreciation	[4]	$ 2,663
Year Acquired	[4]	1996
Year Constructed	[4]	1971
ARIZONA | Industrial [Member] | Phoenix Area [Member] | Broadway Industrial Park II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	455
Buildings and Improvements	[4]	482
Costs Capitalized Subsequent to Acquisition	[4]	202
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	455
Buildings and Improvements	[4]	684
Total	[4]	1,139
Accumulated Depreciation	[4]	$ 422
Year Acquired	[4]	1999
Year Constructed	[4]	1971
ARIZONA | Industrial [Member] | Phoenix Area [Member] | Broadway Industrial Park III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	775
Buildings and Improvements	[4]	1,742
Costs Capitalized Subsequent to Acquisition	[4]	531
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	775
Buildings and Improvements	[4]	2,273
Total	[4]	3,048
Accumulated Depreciation	[4]	$ 1,346
Year Acquired	[4]	2000
Year Constructed	[4]	1983
ARIZONA | Industrial [Member] | Phoenix Area [Member] | Broadway Industrial Park IV [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	380
Buildings and Improvements	[4]	1,652
Costs Capitalized Subsequent to Acquisition	[4]	783
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	380
Buildings and Improvements	[4]	2,435
Total	[4]	2,815
Accumulated Depreciation	[4]	$ 1,502
Year Acquired	[4]	2000
Year Constructed	[4]	1986
ARIZONA | Industrial [Member] | Phoenix Area [Member] | Broadway Industrial Park V [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	353
Buildings and Improvements	[4]	1,090
Costs Capitalized Subsequent to Acquisition	[4]	141
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	353
Buildings and Improvements	[4]	1,231
Total	[4]	1,584
Accumulated Depreciation	[4]	$ 662
Year Acquired	[4]	2002
Year Constructed	[4]	1980
ARIZONA | Industrial [Member] | Phoenix Area [Member] | Broadway Industrial Park VI [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[9]	$ 1,801
Initial Cost to the Company [Abstract]
Land	[4],[9]	599
Buildings and Improvements	[4],[9]	1,855
Costs Capitalized Subsequent to Acquisition	[4],[9]	730
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[9]	599
Buildings and Improvements	[4],[9]	2,585
Total	[4],[9]	3,184
Accumulated Depreciation	[4],[9]	$ 1,485
Year Acquired	[4],[9]	2002
Year Constructed	[4],[9]	1979
ARIZONA | Industrial [Member] | Phoenix Area [Member] | Broadway Industrial Park VII [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	450
Buildings and Improvements	[4]	650
Costs Capitalized Subsequent to Acquisition	[4]	232
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	450
Buildings and Improvements	[4]	882
Total	[4]	1,332
Accumulated Depreciation	[4]	$ 182
Year Acquired	[4]	2011
Year Constructed	[4]	1999
ARIZONA | Industrial [Member] | Phoenix Area [Member] | Kyrene Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	1,490
Buildings and Improvements	[4]	4,453
Costs Capitalized Subsequent to Acquisition	[4]	1,813
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	1,490
Buildings and Improvements	[4]	6,266
Total	[4]	7,756
Accumulated Depreciation	[4]	$ 3,677
Year Acquired	[4]	1999
Year Constructed	[4]	1981/2001
ARIZONA | Industrial [Member] | Phoenix Area [Member] | Southpark Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	918
Buildings and Improvements	[4]	2,738
Costs Capitalized Subsequent to Acquisition	[4]	1,699
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	918
Buildings and Improvements	[4]	4,437
Total	[4]	5,355
Accumulated Depreciation	[4]	$ 1,565
Year Acquired	[4]	2001
Year Constructed	[4]	2000
ARIZONA | Industrial [Member] | Phoenix Area [Member] | Santan 10 Distribution Center I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	846
Buildings and Improvements	[4]	2,647
Costs Capitalized Subsequent to Acquisition	[4]	643
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	846
Buildings and Improvements	[4]	3,290
Total	[4]	4,136
Accumulated Depreciation	[4]	$ 1,383
Year Acquired	[4]	2001
Year Constructed	[4]	2005
ARIZONA | Industrial [Member] | Phoenix Area [Member] | Santan 10 Distribution Center II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[9]	$ 3,536
Initial Cost to the Company [Abstract]
Land	[4],[9]	1,088
Buildings and Improvements	[4],[9]	0
Costs Capitalized Subsequent to Acquisition	[4],[9]	5,163
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[9]	1,088
Buildings and Improvements	[4],[9]	5,163
Total	[4],[9]	6,251
Accumulated Depreciation	[4],[9]	$ 2,123
Year Acquired	[4],[9]	2004
Year Constructed	[4],[9]	2007
ARIZONA | Industrial [Member] | Phoenix Area [Member] | Chandler Freeways [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	1,525
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	7,381
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	1,525
Buildings and Improvements	[4]	7,381
Total	[4]	8,906
Accumulated Depreciation	[4]	$ 820
Year Acquired	[4]	2012
Year Constructed	[4]	2013
ARIZONA | Industrial [Member] | Phoenix Area [Member] | Kyrene 202 I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	653
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	5,777
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	653
Buildings and Improvements	[4]	5,777
Total	[4]	6,430
Accumulated Depreciation	[4]	$ 368
Year Acquired	[4]	2011
Year Constructed	[4]	2014
ARIZONA | Industrial [Member] | Phoenix Area [Member] | Kyrene 202 II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	387
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	3,414
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	387
Buildings and Improvements	[4]	3,414
Total	[4]	3,801
Accumulated Depreciation	[4]	$ 231
Year Acquired	[4]	2011
Year Constructed	[4]	2014
ARIZONA | Industrial [Member] | Phoenix Area [Member] | Metro Business Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	1,927
Buildings and Improvements	[4]	7,708
Costs Capitalized Subsequent to Acquisition	[4]	7,055
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	1,927
Buildings and Improvements	[4]	14,763
Total	[4]	16,690
Accumulated Depreciation	[4]	$ 9,663
Year Acquired	[4]	1996
Year Constructed	[4]	1977/79
ARIZONA | Industrial [Member] | Phoenix Area [Member] | 35th Avenue Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	418
Buildings and Improvements	[4]	2,381
Costs Capitalized Subsequent to Acquisition	[4]	207
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	418
Buildings and Improvements	[4]	2,588
Total	[4]	3,006
Accumulated Depreciation	[4]	$ 1,341
Year Acquired	[4]	1997
Year Constructed	[4]	1967
ARIZONA | Industrial [Member] | Phoenix Area [Member] | 51st Avenue Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	300
Buildings and Improvements	[4]	2,029
Costs Capitalized Subsequent to Acquisition	[4]	1,013
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	300
Buildings and Improvements	[4]	3,042
Total	[4]	3,342
Accumulated Depreciation	[4]	$ 1,863
Year Acquired	[4]	1998
Year Constructed	[4]	1987
ARIZONA | Industrial [Member] | Phoenix Area [Member] | East University Distribution Center I and II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[9]	$ 4,093
Initial Cost to the Company [Abstract]
Land	[4],[9]	1,120
Buildings and Improvements	[4],[9]	4,482
Costs Capitalized Subsequent to Acquisition	[4],[9]	1,633
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[9]	1,120
Buildings and Improvements	[4],[9]	6,115
Total	[4],[9]	7,235
Accumulated Depreciation	[4],[9]	$ 3,825
Year Acquired	[4],[9]	1998
Year Constructed	[4],[9]	1987/89
ARIZONA | Industrial [Member] | Phoenix Area [Member] | East University Distribution Center III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	444
Buildings and Improvements	[4]	698
Costs Capitalized Subsequent to Acquisition	[4]	423
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	444
Buildings and Improvements	[4]	1,121
Total	[4]	1,565
Accumulated Depreciation	[4]	$ 256
Year Acquired	[4]	2010
Year Constructed	[4]	1981
ARIZONA | Industrial [Member] | Phoenix Area [Member] | 55th Avenue Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[9]	$ 3,158
Initial Cost to the Company [Abstract]
Land	[4],[9]	912
Buildings and Improvements	[4],[9]	3,717
Costs Capitalized Subsequent to Acquisition	[4],[9]	953
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[9]	917
Buildings and Improvements	[4],[9]	4,665
Total	[4],[9]	5,582
Accumulated Depreciation	[4],[9]	$ 3,044
Year Acquired	[4],[9]	1998
Year Constructed	[4],[9]	1987
ARIZONA | Industrial [Member] | Phoenix Area [Member] | Interstate Commons Dist Ctr I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	311
Buildings and Improvements	[4]	1,416
Costs Capitalized Subsequent to Acquisition	[4]	720
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	311
Buildings and Improvements	[4]	2,136
Total	[4]	2,447
Accumulated Depreciation	[4]	$ 1,159
Year Acquired	[4]	1999
Year Constructed	[4]	1988
ARIZONA | Industrial [Member] | Phoenix Area [Member] | Interstate Commons Dist Ctr III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	242
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	2,996
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	242
Buildings and Improvements	[4]	2,996
Total	[4]	3,238
Accumulated Depreciation	[4]	$ 947
Year Acquired	[4]	2000
Year Constructed	[4]	2008
ARIZONA | Industrial [Member] | Phoenix Area [Member] | Airport Commons [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	1,000
Buildings and Improvements	[4]	1,510
Costs Capitalized Subsequent to Acquisition	[4]	1,356
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	1,000
Buildings and Improvements	[4]	2,866
Total	[4]	3,866
Accumulated Depreciation	[4]	$ 1,670
Year Acquired	[4]	2003
Year Constructed	[4]	1971
ARIZONA | Industrial [Member] | Phoenix Area [Member] | 40th Avenue Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[7]	$ 4,124
Initial Cost to the Company [Abstract]
Land	[4],[7]	703
Buildings and Improvements	[4],[7]	0
Costs Capitalized Subsequent to Acquisition	[4],[7]	6,059
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[7]	703
Buildings and Improvements	[4],[7]	6,059
Total	[4],[7]	6,762
Accumulated Depreciation	[4],[7]	$ 1,874
Year Acquired	[4],[7]	2004
Year Constructed	[4],[7]	2008
ARIZONA | Industrial [Member] | Phoenix Area [Member] | Sky Harbor Business Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	5,839
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	21,411
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	5,839
Buildings and Improvements	[4]	21,411
Total	[4]	27,250
Accumulated Depreciation	[4]	$ 6,526
Year Acquired	[4]	2006
Year Constructed	[4]	2008
ARIZONA | Industrial [Member] | Phoenix Area [Member] | Sky Harbor 6 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	807
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	2,177
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	807
Buildings and Improvements	[4]	2,177
Total	[4]	2,984
Accumulated Depreciation	[4]	$ 102
Year Acquired	[4]	2014
Year Constructed	[4]	2015
ARIZONA | Industrial [Member] | Phoenix Area [Member] | Kyrene 202 VI [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	936
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	6,970
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	936
Buildings and Improvements	[4]	6,970
Total	[4]	7,906
Accumulated Depreciation	[4]	$ 90
Year Acquired	[4]	2011
Year Constructed	[4]	2015
ARIZONA | Industrial [Member] | Tucson [Member] | Country Club I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	506
Buildings and Improvements	[4]	3,564
Costs Capitalized Subsequent to Acquisition	[4]	2,173
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	693
Buildings and Improvements	[4]	5,550
Total	[4]	6,243
Accumulated Depreciation	[4]	$ 2,499
Year Acquired	[4]	1997/2003
Year Constructed	[4]	1994/2003
ARIZONA | Industrial [Member] | Tucson [Member] | Country Club II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	442
Buildings and Improvements	[4]	3,381
Costs Capitalized Subsequent to Acquisition	[4]	37
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	442
Buildings and Improvements	[4]	3,418
Total	[4]	3,860
Accumulated Depreciation	[4]	$ 1,134
Year Acquired	[4]	2007
Year Constructed	[4]	2000
ARIZONA | Industrial [Member] | Tucson [Member] | Country Club III and IV [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	1,407
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	11,825
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	1,575
Buildings and Improvements	[4]	11,657
Total	[4]	13,232
Accumulated Depreciation	[4]	$ 3,936
Year Acquired	[4]	2007
Year Constructed	[4]	2009
ARIZONA | Industrial [Member] | Tucson [Member] | Airport Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	1,103
Buildings and Improvements	[4]	4,672
Costs Capitalized Subsequent to Acquisition	[4]	1,549
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	1,103
Buildings and Improvements	[4]	6,221
Total	[4]	7,324
Accumulated Depreciation	[4]	$ 3,739
Year Acquired	[4]	1998
Year Constructed	[4]	1995
ARIZONA | Industrial [Member] | Tucson [Member] | Southpointe Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	0
Buildings and Improvements	[4]	3,982
Costs Capitalized Subsequent to Acquisition	[4]	2,950
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	0
Buildings and Improvements	[4]	6,932
Total	[4]	6,932
Accumulated Depreciation	[4]	$ 4,229
Year Acquired	[4]	1999
Year Constructed	[4]	1989
ARIZONA | Industrial [Member] | Tucson [Member] | Benan Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	707
Buildings and Improvements	[4]	1,842
Costs Capitalized Subsequent to Acquisition	[4]	649
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	707
Buildings and Improvements	[4]	2,491
Total	[4]	3,198
Accumulated Depreciation	[4]	$ 1,360
Year Acquired	[4]	2005
Year Constructed	[4]	2001
ARIZONA | Industrial Development [Member] | Kyrene 202 Business Park Land Member
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[6]	$ 0
Initial Cost to the Company [Abstract]
Land	[6]	1,244
Buildings and Improvements	[6]	0
Costs Capitalized Subsequent to Acquisition	[6]	1,005
Gross Amount at which Carried at Close of Period [Abstract]
Land	[6]	1,244
Buildings and Improvements	[6]	1,005
Total	[6]	2,249
Accumulated Depreciation	[6]	$ 0
Year Acquired	[6]	2011
Year Constructed	[6]	n/a
ARIZONA | Industrial Development [Member] | 35th Avenue Distribution Center - redevelopment [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[6]	$ 0
Initial Cost to the Company [Abstract]
Land	[6]	0
Buildings and Improvements	[6]	0
Costs Capitalized Subsequent to Acquisition	[6]	1,664
Gross Amount at which Carried at Close of Period [Abstract]
Land	[6]	0
Buildings and Improvements	[6]	1,664
Total	[6]	1,664
Accumulated Depreciation	[6]	$ 0
Year Acquired	[6]	1997
Year Constructed	[6]	2016
ARIZONA | Industrial Development [Member] | Ten Sky Harbor [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[6]	$ 0
Initial Cost to the Company [Abstract]
Land	[6]	1,568
Buildings and Improvements	[6]	0
Costs Capitalized Subsequent to Acquisition	[6]	3,697
Gross Amount at which Carried at Close of Period [Abstract]
Land	[6]	1,569
Buildings and Improvements	[6]	3,696
Total	[6]	5,265
Accumulated Depreciation	[6]	$ 0
Year Acquired	[6]	2015
Year Constructed	[6]	2016
ARIZONA | Industrial Development [Member] | Falcon Field Business Center land [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[6]	$ 0
Initial Cost to the Company [Abstract]
Land	[6]	1,311
Buildings and Improvements	[6]	0
Costs Capitalized Subsequent to Acquisition	[6]	333
Gross Amount at which Carried at Close of Period [Abstract]
Land	[6]	1,311
Buildings and Improvements	[6]	333
Total	[6]	1,644
Accumulated Depreciation	[6]	$ 0
Year Acquired	[6]	2015
Year Constructed	[6]	n/a
ARIZONA | Industrial Development [Member] | Airport Distribution Center II land [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[6]	$ 0
Initial Cost to the Company [Abstract]
Land	[6]	300
Buildings and Improvements	[6]	0
Costs Capitalized Subsequent to Acquisition	[6]	117
Gross Amount at which Carried at Close of Period [Abstract]
Land	[6]	300
Buildings and Improvements	[6]	117
Total	[6]	417
Accumulated Depreciation	[6]	$ 0
Year Acquired	[6]	2000
Year Constructed	[6]	n/a
ARIZONA | Industrial Development [Member] | Country Club V [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[6]	$ 0
Initial Cost to the Company [Abstract]
Land	[6]	2,885
Buildings and Improvements	[6]	0
Costs Capitalized Subsequent to Acquisition	[6]	410
Gross Amount at which Carried at Close of Period [Abstract]
Land	[6]	2,885
Buildings and Improvements	[6]	410
Total	[6]	3,295
Accumulated Depreciation	[6]	$ 0
Year Acquired	[6]	2016
Year Constructed	[6]	n/a
TEXAS | Industrial [Member] | Dallas [Member] | Interstate Commons Distribution Center I and II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[10]	$ 5,544
Initial Cost to the Company [Abstract]
Land	[4],[10]	1,746
Buildings and Improvements	[4],[10]	4,941
Costs Capitalized Subsequent to Acquisition	[4],[10]	3,518
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[10]	1,746
Buildings and Improvements	[4],[10]	8,459
Total	[4],[10]	10,205
Accumulated Depreciation	[4],[10]	$ 5,869
Year Acquired	[4],[10]	1988
Year Constructed	[4],[10]	1978
TEXAS | Industrial [Member] | Dallas [Member] | Interstate Distribution Center III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[10]	$ 2,226
Initial Cost to the Company [Abstract]
Land	[4],[10]	519
Buildings and Improvements	[4],[10]	2,008
Costs Capitalized Subsequent to Acquisition	[4],[10]	1,570
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[10]	519
Buildings and Improvements	[4],[10]	3,578
Total	[4],[10]	4,097
Accumulated Depreciation	[4],[10]	$ 1,862
Year Acquired	[4],[10]	2000
Year Constructed	[4],[10]	1979
TEXAS | Industrial [Member] | Dallas [Member] | Interstate Distribution Center IV [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	416
Buildings and Improvements	[4]	2,481
Costs Capitalized Subsequent to Acquisition	[4]	518
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	416
Buildings and Improvements	[4]	2,999
Total	[4]	3,415
Accumulated Depreciation	[4]	$ 1,451
Year Acquired	[4]	2004
Year Constructed	[4]	2002
TEXAS | Industrial [Member] | Dallas [Member] | Interstate Distribution Center V, VI, VII [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[5]	$ 4,627
Initial Cost to the Company [Abstract]
Land	[4],[5]	1,824
Buildings and Improvements	[4],[5]	4,106
Costs Capitalized Subsequent to Acquisition	[4],[5]	2,121
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[5]	1,824
Buildings and Improvements	[4],[5]	6,227
Total	[4],[5]	8,051
Accumulated Depreciation	[4],[5]	$ 2,581
Year Acquired	[4],[5]	2009
Year Constructed	[4],[5]	1979/80/81
TEXAS | Industrial [Member] | Dallas [Member] | Venture Warehouses [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[10]	$ 4,235
Initial Cost to the Company [Abstract]
Land	[4],[10]	1,452
Buildings and Improvements	[4],[10]	3,762
Costs Capitalized Subsequent to Acquisition	[4],[10]	2,583
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[10]	1,452
Buildings and Improvements	[4],[10]	6,345
Total	[4],[10]	7,797
Accumulated Depreciation	[4],[10]	$ 4,909
Year Acquired	[4],[10]	1988
Year Constructed	[4],[10]	1979
TEXAS | Industrial [Member] | Dallas [Member] | Stemmons Circle [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[10]	$ 1,667
Initial Cost to the Company [Abstract]
Land	[4],[10]	363
Buildings and Improvements	[4],[10]	2,014
Costs Capitalized Subsequent to Acquisition	[4],[10]	692
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[10]	363
Buildings and Improvements	[4],[10]	2,706
Total	[4],[10]	3,069
Accumulated Depreciation	[4],[10]	$ 1,774
Year Acquired	[4],[10]	1998
Year Constructed	[4],[10]	1977
TEXAS | Industrial [Member] | Dallas [Member] | Shady Trail Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	635
Buildings and Improvements	[4]	3,621
Costs Capitalized Subsequent to Acquisition	[4]	1,200
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	635
Buildings and Improvements	[4]	4,821
Total	[4]	5,456
Accumulated Depreciation	[4]	$ 2,228
Year Acquired	[4]	2003
Year Constructed	[4]	1998
TEXAS | Industrial [Member] | Dallas [Member] | Valwood Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	4,361
Buildings and Improvements	[4]	34,405
Costs Capitalized Subsequent to Acquisition	[4]	2,817
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	4,361
Buildings and Improvements	[4]	37,222
Total	[4]	41,583
Accumulated Depreciation	[4]	$ 6,396
Year Acquired	[4]	2012
Year Constructed	[4]	1986/87/97/98
TEXAS | Industrial [Member] | Dallas [Member] | Northfield Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	12,470
Buildings and Improvements	[4]	50,713
Costs Capitalized Subsequent to Acquisition	[4]	2,101
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	12,470
Buildings and Improvements	[4]	52,814
Total	[4]	65,284
Accumulated Depreciation	[4]	$ 9,032
Year Acquired	[4]	2013
Year Constructed	[4]	1999-2001/03/04/08
TEXAS | Industrial [Member] | Dallas [Member] | ParkView 1-3 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	2,663
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	18,044
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	2,663
Buildings and Improvements	[4]	18,044
Total	[4]	20,707
Accumulated Depreciation	[4]	$ 306
Year Acquired	[4]	2014
Year Constructed	[4]	2015
TEXAS | Industrial [Member] | Houston [Member] | World Houston Intl Business Ctr 1 and 2 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[9]	$ 4,831
Initial Cost to the Company [Abstract]
Land	[4],[9]	660
Buildings and Improvements	[4],[9]	5,893
Costs Capitalized Subsequent to Acquisition	[4],[9]	1,986
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[9]	660
Buildings and Improvements	[4],[9]	7,879
Total	[4],[9]	8,539
Accumulated Depreciation	[4],[9]	$ 4,460
Year Acquired	[4],[9]	1998
Year Constructed	[4],[9]	1996
TEXAS | Industrial [Member] | Houston [Member] | World Houston Intl Business Ctr 3, 4 and 5 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[10]	$ 4,742
Initial Cost to the Company [Abstract]
Land	[4],[10]	1,025
Buildings and Improvements	[4],[10]	6,413
Costs Capitalized Subsequent to Acquisition	[4],[10]	1,293
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[10]	1,025
Buildings and Improvements	[4],[10]	7,706
Total	[4],[10]	8,731
Accumulated Depreciation	[4],[10]	$ 4,389
Year Acquired	[4],[10]	1998
Year Constructed	[4],[10]	1998
TEXAS | Industrial [Member] | Houston [Member] | World Houston Intl Business Ctr 6 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[10]	$ 1,886
Initial Cost to the Company [Abstract]
Land	[4],[10]	425
Buildings and Improvements	[4],[10]	2,423
Costs Capitalized Subsequent to Acquisition	[4],[10]	624
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[10]	425
Buildings and Improvements	[4],[10]	3,047
Total	[4],[10]	3,472
Accumulated Depreciation	[4],[10]	$ 1,732
Year Acquired	[4],[10]	1998
Year Constructed	[4],[10]	1998
TEXAS | Industrial [Member] | Houston [Member] | World Houston Intl Business Ctr 7 and 8 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[10]	$ 5,400
Initial Cost to the Company [Abstract]
Land	[4],[10]	680
Buildings and Improvements	[4],[10]	4,584
Costs Capitalized Subsequent to Acquisition	[4],[10]	4,677
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[10]	680
Buildings and Improvements	[4],[10]	9,261
Total	[4],[10]	9,941
Accumulated Depreciation	[4],[10]	$ 5,206
Year Acquired	[4],[10]	1998
Year Constructed	[4],[10]	1998
TEXAS | Industrial [Member] | Houston [Member] | World Houston Intl Business Ctr 9 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[10]	$ 3,780
Initial Cost to the Company [Abstract]
Land	[4],[10]	800
Buildings and Improvements	[4],[10]	4,355
Costs Capitalized Subsequent to Acquisition	[4],[10]	1,805
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[10]	800
Buildings and Improvements	[4],[10]	6,160
Total	[4],[10]	6,960
Accumulated Depreciation	[4],[10]	$ 2,748
Year Acquired	[4],[10]	1998
Year Constructed	[4],[10]	1998
TEXAS | Industrial [Member] | Houston [Member] | World Houston Intl Business Ctr 10 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	933
Buildings and Improvements	[4]	4,779
Costs Capitalized Subsequent to Acquisition	[4]	350
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	933
Buildings and Improvements	[4]	5,129
Total	[4]	6,062
Accumulated Depreciation	[4]	$ 2,349
Year Acquired	[4]	2001
Year Constructed	[4]	1999
TEXAS | Industrial [Member] | Houston [Member] | World Houston Intl Business Ctr 11 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	638
Buildings and Improvements	[4]	3,764
Costs Capitalized Subsequent to Acquisition	[4]	1,282
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	638
Buildings and Improvements	[4]	5,046
Total	[4]	5,684
Accumulated Depreciation	[4]	$ 2,654
Year Acquired	[4]	1999
Year Constructed	[4]	1999
TEXAS | Industrial [Member] | Houston [Member] | World Houston Intl Business Ctr 12 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	340
Buildings and Improvements	[4]	2,419
Costs Capitalized Subsequent to Acquisition	[4]	383
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	340
Buildings and Improvements	[4]	2,802
Total	[4]	3,142
Accumulated Depreciation	[4]	$ 1,543
Year Acquired	[4]	2000
Year Constructed	[4]	2002
TEXAS | Industrial [Member] | Houston [Member] | World Houston Intl Business Ctr 13 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	282
Buildings and Improvements	[4]	2,569
Costs Capitalized Subsequent to Acquisition	[4]	414
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	282
Buildings and Improvements	[4]	2,983
Total	[4]	3,265
Accumulated Depreciation	[4]	$ 1,851
Year Acquired	[4]	2000
Year Constructed	[4]	2002
TEXAS | Industrial [Member] | Houston [Member] | World Houston Intl Business Ctr 14 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	722
Buildings and Improvements	[4]	2,629
Costs Capitalized Subsequent to Acquisition	[4]	556
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	722
Buildings and Improvements	[4]	3,185
Total	[4]	3,907
Accumulated Depreciation	[4]	$ 1,672
Year Acquired	[4]	2000
Year Constructed	[4]	2003
TEXAS | Industrial [Member] | Houston [Member] | World Houston Intl Business Ctr 15 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	731
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	6,180
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	731
Buildings and Improvements	[4]	6,180
Total	[4]	6,911
Accumulated Depreciation	[4]	$ 3,067
Year Acquired	[4]	2000
Year Constructed	[4]	2007
TEXAS | Industrial [Member] | Houston [Member] | World Houston Intl Business Ctr 16 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	519
Buildings and Improvements	[4]	4,248
Costs Capitalized Subsequent to Acquisition	[4]	1,481
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	519
Buildings and Improvements	[4]	5,729
Total	[4]	6,248
Accumulated Depreciation	[4]	$ 3,003
Year Acquired	[4]	2000
Year Constructed	[4]	2005
TEXAS | Industrial [Member] | Houston [Member] | World Houston Intl Business Ctr 17 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	373
Buildings and Improvements	[4]	1,945
Costs Capitalized Subsequent to Acquisition	[4]	799
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	373
Buildings and Improvements	[4]	2,744
Total	[4]	3,117
Accumulated Depreciation	[4]	$ 1,279
Year Acquired	[4]	2000
Year Constructed	[4]	2004
TEXAS | Industrial [Member] | Houston [Member] | World Houston Intl Business Ctr 18 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	323
Buildings and Improvements	[4]	1,512
Costs Capitalized Subsequent to Acquisition	[4]	251
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	323
Buildings and Improvements	[4]	1,763
Total	[4]	2,086
Accumulated Depreciation	[4]	$ 834
Year Acquired	[4]	2005
Year Constructed	[4]	1995
TEXAS | Industrial [Member] | Houston [Member] | World Houston Intl Business Ctr 19 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	373
Buildings and Improvements	[4]	2,256
Costs Capitalized Subsequent to Acquisition	[4]	1,126
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	373
Buildings and Improvements	[4]	3,382
Total	[4]	3,755
Accumulated Depreciation	[4]	$ 1,866
Year Acquired	[4]	2000
Year Constructed	[4]	2004
TEXAS | Industrial [Member] | Houston [Member] | World Houston Intl Business Ctr 20 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	1,008
Buildings and Improvements	[4]	1,948
Costs Capitalized Subsequent to Acquisition	[4]	1,307
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	1,008
Buildings and Improvements	[4]	3,255
Total	[4]	4,263
Accumulated Depreciation	[4]	$ 1,859
Year Acquired	[4]	2000
Year Constructed	[4]	2004
TEXAS | Industrial [Member] | Houston [Member] | World Houston Intl Business Ctr 21 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[9]	$ 2,230
Initial Cost to the Company [Abstract]
Land	[4],[9]	436
Buildings and Improvements	[4],[9]	0
Costs Capitalized Subsequent to Acquisition	[4],[9]	3,506
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[9]	436
Buildings and Improvements	[4],[9]	3,506
Total	[4],[9]	3,942
Accumulated Depreciation	[4],[9]	$ 1,375
Year Acquired	[4],[9]	2000/03
Year Constructed	[4],[9]	2006
TEXAS | Industrial [Member] | Houston [Member] | World Houston Intl Business Ctr 22 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	436
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	4,542
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	436
Buildings and Improvements	[4]	4,542
Total	[4]	4,978
Accumulated Depreciation	[4]	$ 1,964
Year Acquired	[4]	2000
Year Constructed	[4]	2007
TEXAS | Industrial [Member] | Houston [Member] | World Houston Intl Business Ctr 23 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[9]	$ 4,567
Initial Cost to the Company [Abstract]
Land	[4],[9]	910
Buildings and Improvements	[4],[9]	0
Costs Capitalized Subsequent to Acquisition	[4],[9]	7,163
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[9]	910
Buildings and Improvements	[4],[9]	7,163
Total	[4],[9]	8,073
Accumulated Depreciation	[4],[9]	$ 2,782
Year Acquired	[4],[9]	2000
Year Constructed	[4],[9]	2007
TEXAS | Industrial [Member] | Houston [Member] | World Houston Intl Business Ctr 24 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	837
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	5,516
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	837
Buildings and Improvements	[4]	5,516
Total	[4]	6,353
Accumulated Depreciation	[4]	$ 2,203
Year Acquired	[4]	2005
Year Constructed	[4]	2008
TEXAS | Industrial [Member] | Houston [Member] | World Houston Intl Business Ctr 25 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	508
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	3,801
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	508
Buildings and Improvements	[4]	3,801
Total	[4]	4,309
Accumulated Depreciation	[4]	$ 1,324
Year Acquired	[4]	2005
Year Constructed	[4]	2008
TEXAS | Industrial [Member] | Houston [Member] | World Houston Intl Business Ctr 26 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[7]	$ 2,219
Initial Cost to the Company [Abstract]
Land	[4],[7]	445
Buildings and Improvements	[4],[7]	0
Costs Capitalized Subsequent to Acquisition	[4],[7]	3,194
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[7]	445
Buildings and Improvements	[4],[7]	3,194
Total	[4],[7]	3,639
Accumulated Depreciation	[4],[7]	$ 1,052
Year Acquired	[4],[7]	2005
Year Constructed	[4],[7]	2008
TEXAS | Industrial [Member] | Houston [Member] | World Houston Intl Business Ctr 27 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	837
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	5,004
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	837
Buildings and Improvements	[4]	5,004
Total	[4]	5,841
Accumulated Depreciation	[4]	$ 1,580
Year Acquired	[4]	2005
Year Constructed	[4]	2008
TEXAS | Industrial [Member] | Houston [Member] | World Houston Intl Business Ctr 28 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[7]	$ 3,041
Initial Cost to the Company [Abstract]
Land	[4],[7]	550
Buildings and Improvements	[4],[7]	0
Costs Capitalized Subsequent to Acquisition	[4],[7]	4,437
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[7]	550
Buildings and Improvements	[4],[7]	4,437
Total	[4],[7]	4,987
Accumulated Depreciation	[4],[7]	$ 1,328
Year Acquired	[4],[7]	2005
Year Constructed	[4],[7]	2009
TEXAS | Industrial [Member] | Houston [Member] | World Houston Intl Business Ctr 29 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[7]	$ 3,002
Initial Cost to the Company [Abstract]
Land	[4],[7]	782
Buildings and Improvements	[4],[7]	0
Costs Capitalized Subsequent to Acquisition	[4],[7]	4,141
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[7]	974
Buildings and Improvements	[4],[7]	3,949
Total	[4],[7]	4,923
Accumulated Depreciation	[4],[7]	$ 1,144
Year Acquired	[4],[7]	2007
Year Constructed	[4],[7]	2009
TEXAS | Industrial [Member] | Houston [Member] | World Houston Intl Business Ctr 30 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[7]	$ 4,121
Initial Cost to the Company [Abstract]
Land	[4],[7]	981
Buildings and Improvements	[4],[7]	0
Costs Capitalized Subsequent to Acquisition	[4],[7]	5,776
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[7]	1,222
Buildings and Improvements	[4],[7]	5,535
Total	[4],[7]	6,757
Accumulated Depreciation	[4],[7]	$ 1,926
Year Acquired	[4],[7]	2007
Year Constructed	[4],[7]	2009
TEXAS | Industrial [Member] | Houston [Member] | World Houston Intl Business Ctr31a Member
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	684
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	3,921
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	684
Buildings and Improvements	[4]	3,921
Total	[4]	4,605
Accumulated Depreciation	[4]	$ 1,383
Year Acquired	[4]	2008
Year Constructed	[4]	2011
TEXAS | Industrial [Member] | Houston [Member] | World Houston Intl Business Ctr 31B [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	546
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	3,537
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	546
Buildings and Improvements	[4]	3,537
Total	[4]	4,083
Accumulated Depreciation	[4]	$ 816
Year Acquired	[4]	2008
Year Constructed	[4]	2012
TEXAS | Industrial [Member] | Houston [Member] | World Houston Intl Business Ctr 32 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[5]	$ 3,959
Initial Cost to the Company [Abstract]
Land	[4],[5]	1,225
Buildings and Improvements	[4],[5]	0
Costs Capitalized Subsequent to Acquisition	[4],[5]	5,663
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[5]	1,526
Buildings and Improvements	[4],[5]	5,362
Total	[4],[5]	6,888
Accumulated Depreciation	[4],[5]	$ 1,078
Year Acquired	[4],[5]	2007
Year Constructed	[4],[5]	2012
TEXAS | Industrial [Member] | Houston [Member] | World Houston 33 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	1,166
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	7,867
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	1,166
Buildings and Improvements	[4]	7,867
Total	[4]	9,033
Accumulated Depreciation	[4]	$ 1,115
Year Acquired	[4]	2011
Year Constructed	[4]	2013
TEXAS | Industrial [Member] | Houston [Member] | World Houston 34 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	439
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	3,373
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	439
Buildings and Improvements	[4]	3,373
Total	[4]	3,812
Accumulated Depreciation	[4]	$ 527
Year Acquired	[4]	2005
Year Constructed	[4]	2012
TEXAS | Industrial [Member] | Houston [Member] | World Houston 35 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	340
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	2,475
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	340
Buildings and Improvements	[4]	2,475
Total	[4]	2,815
Accumulated Depreciation	[4]	$ 323
Year Acquired	[4]	2005
Year Constructed	[4]	2012
TEXAS | Industrial [Member] | Houston [Member] | World Houston 36 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	684
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	4,879
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	684
Buildings and Improvements	[4]	4,879
Total	[4]	5,563
Accumulated Depreciation	[4]	$ 700
Year Acquired	[4]	2011
Year Constructed	[4]	2013
TEXAS | Industrial [Member] | Houston [Member] | World Houston 37 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	759
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	6,384
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	759
Buildings and Improvements	[4]	6,384
Total	[4]	7,143
Accumulated Depreciation	[4]	$ 820
Year Acquired	[4]	2011
Year Constructed	[4]	2013
TEXAS | Industrial [Member] | Houston [Member] | World Houston 38 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	1,053
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	7,320
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	1,053
Buildings and Improvements	[4]	7,320
Total	[4]	8,373
Accumulated Depreciation	[4]	$ 1,025
Year Acquired	[4]	2011
Year Constructed	[4]	2013
TEXAS | Industrial [Member] | Houston [Member] | World Houston 39 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	620
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	5,202
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	620
Buildings and Improvements	[4]	5,202
Total	[4]	5,822
Accumulated Depreciation	[4]	$ 382
Year Acquired	[4]	2011
Year Constructed	[4]	2014
TEXAS | Industrial [Member] | Houston [Member] | World Houston 40 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	1,072
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	9,346
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	1,072
Buildings and Improvements	[4]	9,346
Total	[4]	10,418
Accumulated Depreciation	[4]	$ 712
Year Acquired	[4]	2011
Year Constructed	[4]	2014
TEXAS | Industrial [Member] | Houston [Member] | World Houston 41 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	649
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	5,950
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	649
Buildings and Improvements	[4]	5,950
Total	[4]	6,599
Accumulated Depreciation	[4]	$ 326
Year Acquired	[4]	2011
Year Constructed	[4]	2014
TEXAS | Industrial [Member] | Houston [Member] | World Houston 42 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	571
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	4,813
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	571
Buildings and Improvements	[4]	4,813
Total	[4]	5,384
Accumulated Depreciation	[4]	$ 243
Year Acquired	[4]	2011
Year Constructed	[4]	2015
TEXAS | Industrial [Member] | Houston [Member] | Central Green Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	566
Buildings and Improvements	[4]	4,031
Costs Capitalized Subsequent to Acquisition	[4]	417
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	566
Buildings and Improvements	[4]	4,448
Total	[4]	5,014
Accumulated Depreciation	[4]	$ 2,266
Year Acquired	[4]	1999
Year Constructed	[4]	1998
TEXAS | Industrial [Member] | Houston [Member] | Glenmont Business Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	936
Buildings and Improvements	[4]	6,161
Costs Capitalized Subsequent to Acquisition	[4]	2,916
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	936
Buildings and Improvements	[4]	9,077
Total	[4]	10,013
Accumulated Depreciation	[4]	$ 5,133
Year Acquired	[4]	1998
Year Constructed	[4]	1999/2000
TEXAS | Industrial [Member] | Houston [Member] | Techway Southwest I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	729
Buildings and Improvements	[4]	3,765
Costs Capitalized Subsequent to Acquisition	[4]	2,281
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	729
Buildings and Improvements	[4]	6,046
Total	[4]	6,775
Accumulated Depreciation	[4]	$ 3,477
Year Acquired	[4]	2000
Year Constructed	[4]	2001
TEXAS | Industrial [Member] | Houston [Member] | Techway Southwest II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	550
Buildings and Improvements	[4]	3,689
Costs Capitalized Subsequent to Acquisition	[4]	1,283
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	550
Buildings and Improvements	[4]	4,972
Total	[4]	5,522
Accumulated Depreciation	[4]	$ 2,596
Year Acquired	[4]	2000
Year Constructed	[4]	2004
TEXAS | Industrial [Member] | Houston [Member] | Techway Southwest III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	597
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	5,578
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	751
Buildings and Improvements	[4]	5,424
Total	[4]	6,175
Accumulated Depreciation	[4]	$ 2,556
Year Acquired	[4]	1999
Year Constructed	[4]	2006
TEXAS | Industrial [Member] | Houston [Member] | Techway Southwest IV [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	535
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	5,791
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	674
Buildings and Improvements	[4]	5,652
Total	[4]	6,326
Accumulated Depreciation	[4]	$ 1,932
Year Acquired	[4]	1999
Year Constructed	[4]	2008
TEXAS | Industrial [Member] | Houston [Member] | Beltway Crossing I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	458
Buildings and Improvements	[4]	5,712
Costs Capitalized Subsequent to Acquisition	[4]	2,725
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	458
Buildings and Improvements	[4]	8,437
Total	[4]	8,895
Accumulated Depreciation	[4]	$ 4,044
Year Acquired	[4]	2002
Year Constructed	[4]	2001
TEXAS | Industrial [Member] | Houston [Member] | Beltway Crossing II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	415
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	2,907
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	415
Buildings and Improvements	[4]	2,907
Total	[4]	3,322
Accumulated Depreciation	[4]	$ 1,170
Year Acquired	[4]	2005
Year Constructed	[4]	2007
TEXAS | Industrial [Member] | Houston [Member] | Beltway Crossing III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	460
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	3,111
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	460
Buildings and Improvements	[4]	3,111
Total	[4]	3,571
Accumulated Depreciation	[4]	$ 1,289
Year Acquired	[4]	2005
Year Constructed	[4]	2008
TEXAS | Industrial [Member] | Houston [Member] | Beltway Crossing IV [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	460
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	3,035
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	460
Buildings and Improvements	[4]	3,035
Total	[4]	3,495
Accumulated Depreciation	[4]	$ 1,260
Year Acquired	[4]	2005
Year Constructed	[4]	2008
TEXAS | Industrial [Member] | Houston [Member] | Beltway Crossing V [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[7]	$ 3,508
Initial Cost to the Company [Abstract]
Land	[4],[7]	701
Buildings and Improvements	[4],[7]	0
Costs Capitalized Subsequent to Acquisition	[4],[7]	5,051
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[7]	701
Buildings and Improvements	[4],[7]	5,051
Total	[4],[7]	5,752
Accumulated Depreciation	[4],[7]	$ 1,873
Year Acquired	[4],[7]	2005
Year Constructed	[4],[7]	2008
TEXAS | Industrial [Member] | Houston [Member] | Beltway Crossing VI [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[5]	$ 3,851
Initial Cost to the Company [Abstract]
Land	[4],[5]	618
Buildings and Improvements	[4],[5]	0
Costs Capitalized Subsequent to Acquisition	[4],[5]	6,082
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[5]	618
Buildings and Improvements	[4],[5]	6,082
Total	[4],[5]	6,700
Accumulated Depreciation	[4],[5]	$ 1,723
Year Acquired	[4],[5]	2005
Year Constructed	[4],[5]	2008
TEXAS | Industrial [Member] | Houston [Member] | Beltway Crossing VII [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[5]	$ 3,864
Initial Cost to the Company [Abstract]
Land	[4],[5]	765
Buildings and Improvements	[4],[5]	0
Costs Capitalized Subsequent to Acquisition	[4],[5]	5,959
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[5]	765
Buildings and Improvements	[4],[5]	5,959
Total	[4],[5]	6,724
Accumulated Depreciation	[4],[5]	$ 2,210
Year Acquired	[4],[5]	2005
Year Constructed	[4],[5]	2009
TEXAS | Industrial [Member] | Houston [Member] | Beltway Crossing VIII [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	721
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	4,617
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	721
Buildings and Improvements	[4]	4,617
Total	[4]	5,338
Accumulated Depreciation	[4]	$ 1,177
Year Acquired	[4]	2005
Year Constructed	[4]	2011
TEXAS | Industrial [Member] | Houston [Member] | Beltway Crossing IX [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	418
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	2,113
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	418
Buildings and Improvements	[4]	2,113
Total	[4]	2,531
Accumulated Depreciation	[4]	$ 371
Year Acquired	[4]	2007
Year Constructed	[4]	2012
TEXAS | Industrial [Member] | Houston [Member] | Beltway Crossing X [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	733
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	3,871
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	733
Buildings and Improvements	[4]	3,871
Total	[4]	4,604
Accumulated Depreciation	[4]	$ 625
Year Acquired	[4]	2007
Year Constructed	[4]	2012
TEXAS | Industrial [Member] | Houston [Member] | Beltway Crossing XI [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	690
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	4,101
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	690
Buildings and Improvements	[4]	4,101
Total	[4]	4,791
Accumulated Depreciation	[4]	$ 523
Year Acquired	[4]	2007
Year Constructed	[4]	2013
TEXAS | Industrial [Member] | Houston [Member] | West Road I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	621
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	4,332
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	621
Buildings and Improvements	[4]	4,332
Total	[4]	4,953
Accumulated Depreciation	[4]	$ 378
Year Acquired	[4]	2012
Year Constructed	[4]	2014
TEXAS | Industrial [Member] | Houston [Member] | West Road II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	981
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	5,295
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	981
Buildings and Improvements	[4]	5,295
Total	[4]	6,276
Accumulated Depreciation	[4]	$ 426
Year Acquired	[4]	2012
Year Constructed	[4]	2014
TEXAS | Industrial [Member] | Houston [Member] | Ten West Crossing 1 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	566
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	2,997
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	566
Buildings and Improvements	[4]	2,997
Total	[4]	3,563
Accumulated Depreciation	[4]	$ 431
Year Acquired	[4]	2012
Year Constructed	[4]	2013
TEXAS | Industrial [Member] | Houston [Member] | Ten West Crossing 2 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	829
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	4,385
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	833
Buildings and Improvements	[4]	4,381
Total	[4]	5,214
Accumulated Depreciation	[4]	$ 716
Year Acquired	[4]	2012
Year Constructed	[4]	2013
TEXAS | Industrial [Member] | Houston [Member] | Ten West Crossing 3 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	609
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	4,357
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	613
Buildings and Improvements	[4]	4,353
Total	[4]	4,966
Accumulated Depreciation	[4]	$ 680
Year Acquired	[4]	2012
Year Constructed	[4]	2013
TEXAS | Industrial [Member] | Houston [Member] | Ten West Crossing 4 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	694
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	4,506
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	699
Buildings and Improvements	[4]	4,501
Total	[4]	5,200
Accumulated Depreciation	[4]	$ 620
Year Acquired	[4]	2012
Year Constructed	[4]	2014
TEXAS | Industrial [Member] | Houston [Member] | Ten West Crossing 5 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	933
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	5,872
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	940
Buildings and Improvements	[4]	5,865
Total	[4]	6,805
Accumulated Depreciation	[4]	$ 573
Year Acquired	[4]	2012
Year Constructed	[4]	2014
TEXAS | Industrial [Member] | Houston [Member] | Ten West Crossing 6 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	640
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	4,299
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	644
Buildings and Improvements	[4]	4,295
Total	[4]	4,939
Accumulated Depreciation	[4]	$ 307
Year Acquired	[4]	2012
Year Constructed	[4]	2014
TEXAS | Industrial [Member] | Houston [Member] | Ten West Crossing 7 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	584
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	5,125
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	588
Buildings and Improvements	[4]	5,121
Total	[4]	5,709
Accumulated Depreciation	[4]	$ 83
Year Acquired	[4]	2012
Year Constructed	[4]	2015
TEXAS | Industrial [Member] | Houston [Member] | West Road III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	597
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	4,245
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	597
Buildings and Improvements	[4]	4,245
Total	[4]	4,842
Accumulated Depreciation	[4]	$ 84
Year Acquired	[4]	2012
Year Constructed	[4]	2015
TEXAS | Industrial [Member] | Houston [Member] | West Road IV [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	621
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	4,949
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	621
Buildings and Improvements	[4]	4,949
Total	[4]	5,570
Accumulated Depreciation	[4]	$ 166
Year Acquired	[4]	2012
Year Constructed	[4]	2015
TEXAS | Industrial [Member] | El Paso [Member] | Butterfield Trail [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	0
Buildings and Improvements	[4]	20,725
Costs Capitalized Subsequent to Acquisition	[4]	8,538
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	0
Buildings and Improvements	[4]	29,263
Total	[4]	29,263
Accumulated Depreciation	[4]	$ 17,672
Year Acquired	[4]	1997/2000
Year Constructed	[4]	1987/95
TEXAS | Industrial [Member] | El Paso [Member] | Rojas Commerce Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[10]	$ 4,193
Initial Cost to the Company [Abstract]
Land	[4],[10]	900
Buildings and Improvements	[4],[10]	3,659
Costs Capitalized Subsequent to Acquisition	[4],[10]	3,161
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[10]	900
Buildings and Improvements	[4],[10]	6,820
Total	[4],[10]	7,720
Accumulated Depreciation	[4],[10]	$ 4,903
Year Acquired	[4],[10]	1999
Year Constructed	[4],[10]	1986
TEXAS | Industrial [Member] | El Paso [Member] | Americas Ten Business Center I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	526
Buildings and Improvements	[4]	2,778
Costs Capitalized Subsequent to Acquisition	[4]	1,241
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	526
Buildings and Improvements	[4]	4,019
Total	[4]	4,545
Accumulated Depreciation	[4]	$ 2,211
Year Acquired	[4]	2001
Year Constructed	[4]	2003
TEXAS | Industrial [Member] | San Antonio [Member] | Alamo Downs Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	1,342
Buildings and Improvements	[4]	6,338
Costs Capitalized Subsequent to Acquisition	[4]	1,280
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	1,342
Buildings and Improvements	[4]	7,618
Total	[4]	8,960
Accumulated Depreciation	[4]	$ 4,133
Year Acquired	[4]	2004
Year Constructed	[4]	1986/2002
TEXAS | Industrial [Member] | San Antonio [Member] | Arion Business Park 1-13, 15 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	4,143
Buildings and Improvements	[4]	31,432
Costs Capitalized Subsequent to Acquisition	[4]	6,023
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	4,143
Buildings and Improvements	[4]	37,455
Total	[4]	41,598
Accumulated Depreciation	[4]	$ 16,760
Year Acquired	[4]	2005
Year Constructed	[4]	1988-2000/06
TEXAS | Industrial [Member] | San Antonio [Member] | Arion 14 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	423
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	3,435
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	423
Buildings and Improvements	[4]	3,435
Total	[4]	3,858
Accumulated Depreciation	[4]	$ 1,306
Year Acquired	[4]	2005
Year Constructed	[4]	2006
TEXAS | Industrial [Member] | San Antonio [Member] | Arion 16 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[9]	$ 2,309
Initial Cost to the Company [Abstract]
Land	[4],[9]	427
Buildings and Improvements	[4],[9]	0
Costs Capitalized Subsequent to Acquisition	[4],[9]	3,654
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[9]	427
Buildings and Improvements	[4],[9]	3,654
Total	[4],[9]	4,081
Accumulated Depreciation	[4],[9]	$ 1,212
Year Acquired	[4],[9]	2005
Year Constructed	[4],[9]	2007
TEXAS | Industrial [Member] | San Antonio [Member] | Arion 17 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	616
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	4,096
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	616
Buildings and Improvements	[4]	4,096
Total	[4]	4,712
Accumulated Depreciation	[4]	$ 2,097
Year Acquired	[4]	2005
Year Constructed	[4]	2007
TEXAS | Industrial [Member] | San Antonio [Member] | Arion 18 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[5]	$ 1,604
Initial Cost to the Company [Abstract]
Land	[4],[5]	418
Buildings and Improvements	[4],[5]	0
Costs Capitalized Subsequent to Acquisition	[4],[5]	2,373
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[5]	418
Buildings and Improvements	[4],[5]	2,373
Total	[4],[5]	2,791
Accumulated Depreciation	[4],[5]	$ 1,002
Year Acquired	[4],[5]	2005
Year Constructed	[4],[5]	2008
TEXAS | Industrial [Member] | San Antonio [Member] | Wetmore Business Center 1-4 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	1,494
Buildings and Improvements	[4]	10,804
Costs Capitalized Subsequent to Acquisition	[4]	3,194
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	1,494
Buildings and Improvements	[4]	13,998
Total	[4]	15,492
Accumulated Depreciation	[4]	$ 6,781
Year Acquired	[4]	2005
Year Constructed	[4]	1998/99
TEXAS | Industrial [Member] | San Antonio [Member] | Wetmore Business Center 5 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[7]	$ 2,347
Initial Cost to the Company [Abstract]
Land	[4],[7]	412
Buildings and Improvements	[4],[7]	0
Costs Capitalized Subsequent to Acquisition	[4],[7]	3,436
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[7]	412
Buildings and Improvements	[4],[7]	3,436
Total	[4],[7]	3,848
Accumulated Depreciation	[4],[7]	$ 1,531
Year Acquired	[4],[7]	2006
Year Constructed	[4],[7]	2008
TEXAS | Industrial [Member] | San Antonio [Member] | Wetmore Business Center 6 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[7]	$ 2,568
Initial Cost to the Company [Abstract]
Land	[4],[7]	505
Buildings and Improvements	[4],[7]	0
Costs Capitalized Subsequent to Acquisition	[4],[7]	3,706
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[7]	505
Buildings and Improvements	[4],[7]	3,706
Total	[4],[7]	4,211
Accumulated Depreciation	[4],[7]	$ 1,335
Year Acquired	[4],[7]	2006
Year Constructed	[4],[7]	2008
TEXAS | Industrial [Member] | San Antonio [Member] | Wetmore Business Center 7 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[7]	$ 2,674
Initial Cost to the Company [Abstract]
Land	[4],[7]	546
Buildings and Improvements	[4],[7]	0
Costs Capitalized Subsequent to Acquisition	[4],[7]	3,838
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[7]	546
Buildings and Improvements	[4],[7]	3,838
Total	[4],[7]	4,384
Accumulated Depreciation	[4],[7]	$ 1,014
Year Acquired	[4],[7]	2006
Year Constructed	[4],[7]	2008
TEXAS | Industrial [Member] | San Antonio [Member] | Wetmore Business Center 8 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[7]	$ 5,303
Initial Cost to the Company [Abstract]
Land	[4],[7]	1,056
Buildings and Improvements	[4],[7]	0
Costs Capitalized Subsequent to Acquisition	[4],[7]	7,639
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[7]	1,056
Buildings and Improvements	[4],[7]	7,639
Total	[4],[7]	8,695
Accumulated Depreciation	[4],[7]	$ 2,337
Year Acquired	[4],[7]	2006
Year Constructed	[4],[7]	2008
TEXAS | Industrial [Member] | San Antonio [Member] | Fairgrounds Business Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	1,644
Buildings and Improvements	[4]	8,209
Costs Capitalized Subsequent to Acquisition	[4]	2,176
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	1,644
Buildings and Improvements	[4]	10,385
Total	[4]	12,029
Accumulated Depreciation	[4]	$ 4,800
Year Acquired	[4]	2007
Year Constructed	[4]	1985/86
TEXAS | Industrial [Member] | San Antonio [Member] | Rittiman Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	1,083
Buildings and Improvements	[4]	6,649
Costs Capitalized Subsequent to Acquisition	[4]	337
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	1,083
Buildings and Improvements	[4]	6,986
Total	[4]	8,069
Accumulated Depreciation	[4]	$ 1,187
Year Acquired	[4]	2011
Year Constructed	[4]	2000
TEXAS | Industrial [Member] | San Antonio [Member] | Thousand Oaks I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	607
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	4,292
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	607
Buildings and Improvements	[4]	4,292
Total	[4]	4,899
Accumulated Depreciation	[4]	$ 951
Year Acquired	[4]	2008
Year Constructed	[4]	2012
TEXAS | Industrial [Member] | San Antonio [Member] | Thousand Oaks 2 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	794
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	4,719
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	794
Buildings and Improvements	[4]	4,719
Total	[4]	5,513
Accumulated Depreciation	[4]	$ 887
Year Acquired	[4]	2008
Year Constructed	[4]	2012
TEXAS | Industrial [Member] | San Antonio [Member] | Thousand Oaks 3 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	772
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	4,457
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	772
Buildings and Improvements	[4]	4,457
Total	[4]	5,229
Accumulated Depreciation	[4]	$ 680
Year Acquired	[4]	2008
Year Constructed	[4]	2013
TEXAS | Industrial [Member] | San Antonio [Member] | Thousand Oaks 4 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	753
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	4,688
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	753
Buildings and Improvements	[4]	4,688
Total	[4]	5,441
Accumulated Depreciation	[4]	$ 183
Year Acquired	[4]	2013
Year Constructed	[4]	2015
TEXAS | Industrial [Member] | San Antonio [Member] | Alamo Ridge I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	623
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	7,970
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	623
Buildings and Improvements	[4]	7,970
Total	[4]	8,593
Accumulated Depreciation	[4]	$ 445
Year Acquired	[4]	2007
Year Constructed	[4]	2015
TEXAS | Industrial [Member] | San Antonio [Member] | Alamo Ridge II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	402
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	5,567
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	402
Buildings and Improvements	[4]	5,567
Total	[4]	5,969
Accumulated Depreciation	[4]	$ 151
Year Acquired	[4]	2007
Year Constructed	[4]	2015
TEXAS | Industrial [Member] | Austin [Member] | Colorado Crossing Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[10]	$ 13,265
Initial Cost to the Company [Abstract]
Land	[4],[10]	4,602
Buildings and Improvements	[4],[10]	19,757
Costs Capitalized Subsequent to Acquisition	[4],[10]	62
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[10]	4,602
Buildings and Improvements	[4],[10]	19,819
Total	[4],[10]	24,421
Accumulated Depreciation	[4],[10]	$ 2,764
Year Acquired	[4],[10]	2014
Year Constructed	[4],[10]	2009
TEXAS | Industrial [Member] | Austin [Member] | Southpark Corporate Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	2,670
Buildings and Improvements	[4]	14,756
Costs Capitalized Subsequent to Acquisition	[4]	497
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	2,670
Buildings and Improvements	[4]	15,253
Total	[4]	17,923
Accumulated Depreciation	[4]	$ 1,323
Year Acquired	[4]	2015
Year Constructed	[4]	1995
TEXAS | Industrial [Member] | Austin [Member] | Springdale Business Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	2,824
Buildings and Improvements	[4]	8,398
Costs Capitalized Subsequent to Acquisition	[4]	254
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	2,824
Buildings and Improvements	[4]	8,652
Total	[4]	11,476
Accumulated Depreciation	[4]	$ 558
Year Acquired	[4]	2015
Year Constructed	[4]	2000
TEXAS | Industrial Development [Member] | North Stemmons land [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[6]	$ 0
Initial Cost to the Company [Abstract]
Land	[6]	537
Buildings and Improvements	[6]	0
Costs Capitalized Subsequent to Acquisition	[6]	276
Gross Amount at which Carried at Close of Period [Abstract]
Land	[6]	537
Buildings and Improvements	[6]	276
Total	[6]	813
Accumulated Depreciation	[6]	$ 0
Year Acquired	[6]	2001
Year Constructed	[6]	n/a
TEXAS | Industrial Development [Member] | CreekView 121 1&2 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[6]	$ 0
Initial Cost to the Company [Abstract]
Land	[6]	3,275
Buildings and Improvements	[6]	0
Costs Capitalized Subsequent to Acquisition	[6]	8,580
Gross Amount at which Carried at Close of Period [Abstract]
Land	[6]	3,275
Buildings and Improvements	[6]	8,580
Total	[6]	11,855
Accumulated Depreciation	[6]	$ 0
Year Acquired	[6]	2015
Year Constructed	[6]	n/a
TEXAS | Industrial Development [Member] | CreekView 121 land [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[6]	$ 0
Initial Cost to the Company [Abstract]
Land	[6]	7,922
Buildings and Improvements	[6]	0
Costs Capitalized Subsequent to Acquisition	[6]	874
Gross Amount at which Carried at Close of Period [Abstract]
Land	[6]	7,922
Buildings and Improvements	[6]	874
Total	[6]	8,796
Accumulated Depreciation	[6]	$ 0
Year Acquired	[6]	2015/16
Year Constructed	[6]	n/a
TEXAS | Industrial Development [Member] | Parc North 1-4 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[6]	$ 0
Initial Cost to the Company [Abstract]
Land	[6]	4,615
Buildings and Improvements	[6]	26,358
Costs Capitalized Subsequent to Acquisition	[6]	1,147
Gross Amount at which Carried at Close of Period [Abstract]
Land	[6]	4,615
Buildings and Improvements	[6]	27,505
Total	[6]	32,120
Accumulated Depreciation	[6]	$ 147
Year Acquired	[6]	2016
Year Constructed	[6]	2016
TEXAS | Industrial Development [Member] | Parc North land [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[6]	$ 0
Initial Cost to the Company [Abstract]
Land	[6]	2,519
Buildings and Improvements	[6]	0
Costs Capitalized Subsequent to Acquisition	[6]	194
Gross Amount at which Carried at Close of Period [Abstract]
Land	[6]	2,519
Buildings and Improvements	[6]	194
Total	[6]	2,713
Accumulated Depreciation	[6]	$ 0
Year Acquired	[6]	2016
Year Constructed	[6]	n/a
TEXAS | Industrial Development [Member] | World Houston Intl Business Ctr land [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[6]	$ 0
Initial Cost to the Company [Abstract]
Land	[6]	2,989
Buildings and Improvements	[6]	0
Costs Capitalized Subsequent to Acquisition	[6]	2,119
Gross Amount at which Carried at Close of Period [Abstract]
Land	[6]	3,724
Buildings and Improvements	[6]	1,384
Total	[6]	5,108
Accumulated Depreciation	[6]	$ 0
Year Acquired	[6]	2007
Year Constructed	[6]	n/a
TEXAS | Industrial Development [Member] | World Houston Intl Business Ctr land-2011 expansion [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[6]	$ 0
Initial Cost to the Company [Abstract]
Land	[6]	1,636
Buildings and Improvements	[6]	0
Costs Capitalized Subsequent to Acquisition	[6]	4,309
Gross Amount at which Carried at Close of Period [Abstract]
Land	[6]	2,921
Buildings and Improvements	[6]	3,024
Total	[6]	5,945
Accumulated Depreciation	[6]	$ 0
Year Acquired	[6]	2011
Year Constructed	[6]	n/a
TEXAS | Industrial Development [Member] | World Houston Int'l Business Center land - 2015 expansion [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[6]	$ 0
Initial Cost to the Company [Abstract]
Land	[6]	6,040
Buildings and Improvements	[6]	0
Costs Capitalized Subsequent to Acquisition	[6]	1,132
Gross Amount at which Carried at Close of Period [Abstract]
Land	[6]	6,041
Buildings and Improvements	[6]	1,131
Total	[6]	7,172
Accumulated Depreciation	[6]	$ 0
Year Acquired	[6]	2015
Year Constructed	[6]	n/a
TEXAS | Industrial Development [Member] | Ten West Crossing land [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[6]	$ 0
Initial Cost to the Company [Abstract]
Land	[6]	1,126
Buildings and Improvements	[6]	0
Costs Capitalized Subsequent to Acquisition	[6]	798
Gross Amount at which Carried at Close of Period [Abstract]
Land	[6]	1,135
Buildings and Improvements	[6]	789
Total	[6]	1,924
Accumulated Depreciation	[6]	$ 0
Year Acquired	[6]	2012
Year Constructed	[6]	n/a
TEXAS | Industrial Development [Member] | West Road land [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[6]	$ 0
Initial Cost to the Company [Abstract]
Land	[6]	484
Buildings and Improvements	[6]	0
Costs Capitalized Subsequent to Acquisition	[6]	741
Gross Amount at which Carried at Close of Period [Abstract]
Land	[6]	484
Buildings and Improvements	[6]	741
Total	[6]	1,225
Accumulated Depreciation	[6]	$ 0
Year Acquired	[6]	2012
Year Constructed	[6]	n/a
TEXAS | Industrial Development [Member] | Americas Ten Business Center II and III land [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[6]	$ 0
Initial Cost to the Company [Abstract]
Land	[6]	1,365
Buildings and Improvements	[6]	0
Costs Capitalized Subsequent to Acquisition	[6]	1,079
Gross Amount at which Carried at Close of Period [Abstract]
Land	[6]	1,365
Buildings and Improvements	[6]	1,079
Total	[6]	2,444
Accumulated Depreciation	[6]	$ 0
Year Acquired	[6]	2001
Year Constructed	[6]	n/a
TEXAS | Industrial Development [Member] | Alamo Ridge III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[6]	$ 0
Initial Cost to the Company [Abstract]
Land	[6]	907
Buildings and Improvements	[6]	0
Costs Capitalized Subsequent to Acquisition	[6]	9,652
Gross Amount at which Carried at Close of Period [Abstract]
Land	[6]	907
Buildings and Improvements	[6]	9,652
Total	[6]	10,559
Accumulated Depreciation	[6]	$ 0
Year Acquired	[6]	2007
Year Constructed	[6]	n/a
TEXAS | Industrial Development [Member] | Alamo Ridge IV [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[6]	$ 0
Initial Cost to the Company [Abstract]
Land	[6]	354
Buildings and Improvements	[6]	0
Costs Capitalized Subsequent to Acquisition	[6]	4,591
Gross Amount at which Carried at Close of Period [Abstract]
Land	[6]	354
Buildings and Improvements	[6]	4,591
Total	[6]	4,945
Accumulated Depreciation	[6]	$ 0
Year Acquired	[6]	2007
Year Constructed	[6]	n/a
TEXAS | Industrial Development [Member] | Eisenhauer Point 1 & 2 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[6]	$ 0
Initial Cost to the Company [Abstract]
Land	[6]	1,881
Buildings and Improvements	[6]	0
Costs Capitalized Subsequent to Acquisition	[6]	13,895
Gross Amount at which Carried at Close of Period [Abstract]
Land	[6]	1,881
Buildings and Improvements	[6]	13,895
Total	[6]	15,776
Accumulated Depreciation	[6]	$ 139
Year Acquired	[6]	2015
Year Constructed	[6]	2016
TEXAS | Industrial Development [Member] | Eisenhauer Point 3 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[6]	$ 0
Initial Cost to the Company [Abstract]
Land	[6]	577
Buildings and Improvements	[6]	0
Costs Capitalized Subsequent to Acquisition	[6]	2,171
Gross Amount at which Carried at Close of Period [Abstract]
Land	[6]	577
Buildings and Improvements	[6]	2,171
Total	[6]	2,748
Accumulated Depreciation	[6]	$ 0
Year Acquired	[6]	2015
Year Constructed	[6]	n/a
TEXAS | Industrial Development [Member] | Eisenhauer Point 4 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[6]	$ 0
Initial Cost to the Company [Abstract]
Land	[6]	555
Buildings and Improvements	[6]	0
Costs Capitalized Subsequent to Acquisition	[6]	2,098
Gross Amount at which Carried at Close of Period [Abstract]
Land	[6]	555
Buildings and Improvements	[6]	2,098
Total	[6]	2,653
Accumulated Depreciation	[6]	$ 0
Year Acquired	[6]	2015
Year Constructed	[6]	n/a
TEXAS | Industrial Development [Member] | Eisenhauer Point Business Park land [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[6]	$ 0
Initial Cost to the Company [Abstract]
Land	[6]	1,387
Buildings and Improvements	[6]	0
Costs Capitalized Subsequent to Acquisition	[6]	648
Gross Amount at which Carried at Close of Period [Abstract]
Land	[6]	1,387
Buildings and Improvements	[6]	648
Total	[6]	2,035
Accumulated Depreciation	[6]	$ 0
Year Acquired	[6]	2015
Year Constructed	[6]	n/a
TEXAS | Industrial Development [Member] | Eisenhauer Point Business Park land phase 2 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[6]	$ 0
Initial Cost to the Company [Abstract]
Land	[6]	3,225
Buildings and Improvements	[6]	0
Costs Capitalized Subsequent to Acquisition	[6]	679
Gross Amount at which Carried at Close of Period [Abstract]
Land	[6]	3,225
Buildings and Improvements	[6]	679
Total	[6]	3,904
Accumulated Depreciation	[6]	$ 0
Year Acquired	[6]	2016
Year Constructed	[6]	n/a
FLORIDA | Industrial [Member] | Tampa [Member] | 56th Street Commerce Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	843
Buildings and Improvements	[4]	3,567
Costs Capitalized Subsequent to Acquisition	[4]	4,475
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	843
Buildings and Improvements	[4]	8,042
Total	[4]	8,885
Accumulated Depreciation	[4]	$ 5,866
Year Acquired	[4]	1993
Year Constructed	[4]	1981/86/97
FLORIDA | Industrial [Member] | Tampa [Member] | Jetport Commerce Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	1,575
Buildings and Improvements	[4]	6,591
Costs Capitalized Subsequent to Acquisition	[4]	5,885
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	1,575
Buildings and Improvements	[4]	12,476
Total	[4]	14,051
Accumulated Depreciation	[4]	$ 8,131
Year Acquired	[4]	1993-99
Year Constructed	[4]	1974-85
FLORIDA | Industrial [Member] | Tampa [Member] | Westport Commerce Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	980
Buildings and Improvements	[4]	3,800
Costs Capitalized Subsequent to Acquisition	[4]	2,742
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	980
Buildings and Improvements	[4]	6,542
Total	[4]	7,522
Accumulated Depreciation	[4]	$ 4,459
Year Acquired	[4]	1994
Year Constructed	[4]	1983/87
FLORIDA | Industrial [Member] | Tampa [Member] | Benjamin Distribution Center I and II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	843
Buildings and Improvements	[4]	3,963
Costs Capitalized Subsequent to Acquisition	[4]	1,502
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	883
Buildings and Improvements	[4]	5,425
Total	[4]	6,308
Accumulated Depreciation	[4]	$ 3,639
Year Acquired	[4]	1997
Year Constructed	[4]	1996
FLORIDA | Industrial [Member] | Tampa [Member] | Benjamin Distribution Center III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	407
Buildings and Improvements	[4]	1,503
Costs Capitalized Subsequent to Acquisition	[4]	655
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	407
Buildings and Improvements	[4]	2,158
Total	[4]	2,565
Accumulated Depreciation	[4]	$ 1,520
Year Acquired	[4]	1999
Year Constructed	[4]	1988
FLORIDA | Industrial [Member] | Tampa [Member] | Palm River Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	1,190
Buildings and Improvements	[4]	4,625
Costs Capitalized Subsequent to Acquisition	[4]	2,507
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	1,190
Buildings and Improvements	[4]	7,132
Total	[4]	8,322
Accumulated Depreciation	[4]	$ 4,554
Year Acquired	[4]	1997/98
Year Constructed	[4]	1990/97/98
FLORIDA | Industrial [Member] | Tampa [Member] | Palm River North I and III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	1,005
Buildings and Improvements	[4]	4,688
Costs Capitalized Subsequent to Acquisition	[4]	2,302
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	1,005
Buildings and Improvements	[4]	6,990
Total	[4]	7,995
Accumulated Depreciation	[4]	$ 4,073
Year Acquired	[4]	1998
Year Constructed	[4]	2000
FLORIDA | Industrial [Member] | Tampa [Member] | Palm River North II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	634
Buildings and Improvements	[4]	4,418
Costs Capitalized Subsequent to Acquisition	[4]	383
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	634
Buildings and Improvements	[4]	4,801
Total	[4]	5,435
Accumulated Depreciation	[4]	$ 3,341
Year Acquired	[4]	1997/98
Year Constructed	[4]	1999
FLORIDA | Industrial [Member] | Tampa [Member] | Palm River South I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	655
Buildings and Improvements	[4]	3,187
Costs Capitalized Subsequent to Acquisition	[4]	649
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	655
Buildings and Improvements	[4]	3,836
Total	[4]	4,491
Accumulated Depreciation	[4]	$ 1,716
Year Acquired	[4]	2000
Year Constructed	[4]	2005
FLORIDA | Industrial [Member] | Tampa [Member] | Palm River South II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	655
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	4,411
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	655
Buildings and Improvements	[4]	4,411
Total	[4]	5,066
Accumulated Depreciation	[4]	$ 2,049
Year Acquired	[4]	2000
Year Constructed	[4]	2006
FLORIDA | Industrial [Member] | Tampa [Member] | Walden Distribution Center I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	337
Buildings and Improvements	[4]	3,318
Costs Capitalized Subsequent to Acquisition	[4]	520
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	337
Buildings and Improvements	[4]	3,838
Total	[4]	4,175
Accumulated Depreciation	[4]	$ 2,013
Year Acquired	[4]	1997/98
Year Constructed	[4]	2001
FLORIDA | Industrial [Member] | Tampa [Member] | Walden Distribution Center II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	465
Buildings and Improvements	[4]	3,738
Costs Capitalized Subsequent to Acquisition	[4]	993
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	465
Buildings and Improvements	[4]	4,731
Total	[4]	5,196
Accumulated Depreciation	[4]	$ 2,653
Year Acquired	[4]	1998
Year Constructed	[4]	1998
FLORIDA | Industrial [Member] | Tampa [Member] | Oak Creek Distribution Center I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	1,109
Buildings and Improvements	[4]	6,126
Costs Capitalized Subsequent to Acquisition	[4]	1,366
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	1,109
Buildings and Improvements	[4]	7,492
Total	[4]	8,601
Accumulated Depreciation	[4]	$ 3,771
Year Acquired	[4]	1998
Year Constructed	[4]	1998
FLORIDA | Industrial [Member] | Tampa [Member] | Oak Creek Distribution Center II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	647
Buildings and Improvements	[4]	3,603
Costs Capitalized Subsequent to Acquisition	[4]	1,131
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	647
Buildings and Improvements	[4]	4,734
Total	[4]	5,381
Accumulated Depreciation	[4]	$ 2,381
Year Acquired	[4]	2003
Year Constructed	[4]	2001
FLORIDA | Industrial [Member] | Tampa [Member] | Oak Creek Distribution Center III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	439
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	3,202
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	556
Buildings and Improvements	[4]	3,085
Total	[4]	3,641
Accumulated Depreciation	[4]	$ 1,097
Year Acquired	[4]	2005
Year Constructed	[4]	2007
FLORIDA | Industrial [Member] | Tampa [Member] | Oak Creek Distribution Center IV [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	682
Buildings and Improvements	[4]	6,472
Costs Capitalized Subsequent to Acquisition	[4]	779
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	682
Buildings and Improvements	[4]	7,251
Total	[4]	7,933
Accumulated Depreciation	[4]	$ 2,501
Year Acquired	[4]	2005
Year Constructed	[4]	2001
FLORIDA | Industrial [Member] | Tampa [Member] | Oak Creek Distribution Center V [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	724
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	5,856
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	916
Buildings and Improvements	[4]	5,664
Total	[4]	6,580
Accumulated Depreciation	[4]	$ 2,096
Year Acquired	[4]	2005
Year Constructed	[4]	2007
FLORIDA | Industrial [Member] | Tampa [Member] | Oak Creek Distribution Center VI [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	642
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	5,201
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	812
Buildings and Improvements	[4]	5,031
Total	[4]	5,843
Accumulated Depreciation	[4]	$ 1,478
Year Acquired	[4]	2005
Year Constructed	[4]	2008
FLORIDA | Industrial [Member] | Tampa [Member] | Oak Creek Distribution Center VIII [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	843
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	6,227
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	1,051
Buildings and Improvements	[4]	6,019
Total	[4]	7,070
Accumulated Depreciation	[4]	$ 219
Year Acquired	[4]	2005
Year Constructed	[4]	2015
FLORIDA | Industrial [Member] | Tampa [Member] | Oak Creek Distribution Center IX [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	618
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	4,963
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	781
Buildings and Improvements	[4]	4,800
Total	[4]	5,581
Accumulated Depreciation	[4]	$ 1,210
Year Acquired	[4]	2005
Year Constructed	[4]	2009
FLORIDA | Industrial [Member] | Tampa [Member] | Oak Creek Distribution Center A [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	185
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	1,492
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	185
Buildings and Improvements	[4]	1,492
Total	[4]	1,677
Accumulated Depreciation	[4]	$ 436
Year Acquired	[4]	2005
Year Constructed	[4]	2008
FLORIDA | Industrial [Member] | Tampa [Member] | Oak Creek Distribution Center B [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	227
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	1,497
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	227
Buildings and Improvements	[4]	1,497
Total	[4]	1,724
Accumulated Depreciation	[4]	$ 451
Year Acquired	[4]	2005
Year Constructed	[4]	2008
FLORIDA | Industrial [Member] | Tampa [Member] | Airport Commerce Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	1,257
Buildings and Improvements	[4]	4,012
Costs Capitalized Subsequent to Acquisition	[4]	939
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	1,257
Buildings and Improvements	[4]	4,951
Total	[4]	6,208
Accumulated Depreciation	[4]	$ 2,596
Year Acquired	[4]	1998
Year Constructed	[4]	1998
FLORIDA | Industrial [Member] | Tampa [Member] | Westlake Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	1,333
Buildings and Improvements	[4]	6,998
Costs Capitalized Subsequent to Acquisition	[4]	2,308
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	1,333
Buildings and Improvements	[4]	9,306
Total	[4]	10,639
Accumulated Depreciation	[4]	$ 5,136
Year Acquired	[4]	1998
Year Constructed	[4]	1998/99
FLORIDA | Industrial [Member] | Tampa [Member] | Expressway Commerce Center I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	915
Buildings and Improvements	[4]	5,346
Costs Capitalized Subsequent to Acquisition	[4]	1,221
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	915
Buildings and Improvements	[4]	6,567
Total	[4]	7,482
Accumulated Depreciation	[4]	$ 3,175
Year Acquired	[4]	2002
Year Constructed	[4]	2004
FLORIDA | Industrial [Member] | Tampa [Member] | Expressway Commerce Center II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	1,013
Buildings and Improvements	[4]	3,247
Costs Capitalized Subsequent to Acquisition	[4]	465
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	1,013
Buildings and Improvements	[4]	3,712
Total	[4]	4,725
Accumulated Depreciation	[4]	$ 1,843
Year Acquired	[4]	2003
Year Constructed	[4]	2001
FLORIDA | Industrial [Member] | Tampa [Member] | Silo Bend Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	4,131
Buildings and Improvements	[4]	27,497
Costs Capitalized Subsequent to Acquisition	[4]	1,265
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	4,132
Buildings and Improvements	[4]	28,761
Total	[4]	32,893
Accumulated Depreciation	[4]	$ 5,186
Year Acquired	[4]	2011
Year Constructed	[4]	1987/90
FLORIDA | Industrial [Member] | Tampa [Member] | Tampa East Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	791
Buildings and Improvements	[4]	4,758
Costs Capitalized Subsequent to Acquisition	[4]	493
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	791
Buildings and Improvements	[4]	5,251
Total	[4]	6,042
Accumulated Depreciation	[4]	$ 1,077
Year Acquired	[4]	2011
Year Constructed	[4]	1984
FLORIDA | Industrial [Member] | Tampa [Member] | Tampa West Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	2,139
Buildings and Improvements	[4]	8,502
Costs Capitalized Subsequent to Acquisition	[4]	1,147
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	2,140
Buildings and Improvements	[4]	9,648
Total	[4]	11,788
Accumulated Depreciation	[4]	$ 1,934
Year Acquired	[4]	2011
Year Constructed	[4]	1975/93/94
FLORIDA | Industrial [Member] | Tampa [Member] | Madison Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	495
Buildings and Improvements	[4]	2,779
Costs Capitalized Subsequent to Acquisition	[4]	428
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	495
Buildings and Improvements	[4]	3,207
Total	[4]	3,702
Accumulated Depreciation	[4]	$ 660
Year Acquired	[4]	2012
Year Constructed	[4]	2007
FLORIDA | Industrial [Member] | Tampa [Member] | Madison II & III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	624
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	7,004
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	624
Buildings and Improvements	[4]	7,004
Total	[4]	7,628
Accumulated Depreciation	[4]	$ 326
Year Acquired	[4]	2012
Year Constructed	[4]	2015
FLORIDA | Industrial [Member] | Orlando [Member] | Chancellor Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	291
Buildings and Improvements	[4]	1,711
Costs Capitalized Subsequent to Acquisition	[4]	478
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	291
Buildings and Improvements	[4]	2,189
Total	[4]	2,480
Accumulated Depreciation	[4]	$ 1,198
Year Acquired	[4]	1996/97
Year Constructed	[4]	1996/97
FLORIDA | Industrial [Member] | Orlando [Member] | Exchange Distribution Center I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	603
Buildings and Improvements	[4]	2,414
Costs Capitalized Subsequent to Acquisition	[4]	2,285
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	603
Buildings and Improvements	[4]	4,699
Total	[4]	5,302
Accumulated Depreciation	[4]	$ 3,193
Year Acquired	[4]	1994
Year Constructed	[4]	1975
FLORIDA | Industrial [Member] | Orlando [Member] | Exchange Distribution Center II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	300
Buildings and Improvements	[4]	945
Costs Capitalized Subsequent to Acquisition	[4]	445
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	300
Buildings and Improvements	[4]	1,390
Total	[4]	1,690
Accumulated Depreciation	[4]	$ 743
Year Acquired	[4]	2002
Year Constructed	[4]	1976
FLORIDA | Industrial [Member] | Orlando [Member] | Exchange Distribution Center III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	320
Buildings and Improvements	[4]	997
Costs Capitalized Subsequent to Acquisition	[4]	403
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	320
Buildings and Improvements	[4]	1,400
Total	[4]	1,720
Accumulated Depreciation	[4]	$ 860
Year Acquired	[4]	2002
Year Constructed	[4]	1980
FLORIDA | Industrial [Member] | Orlando [Member] | Sunbelt Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	1,472
Buildings and Improvements	[4]	5,745
Costs Capitalized Subsequent to Acquisition	[4]	5,799
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	1,472
Buildings and Improvements	[4]	11,544
Total	[4]	13,016
Accumulated Depreciation	[4]	$ 8,231
Year Acquired	[4]	1989/97/98
Year Constructed	[4]	1974/87/97/98
FLORIDA | Industrial [Member] | Orlando [Member] | John Young Commerce Center I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	497
Buildings and Improvements	[4]	2,444
Costs Capitalized Subsequent to Acquisition	[4]	1,200
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	497
Buildings and Improvements	[4]	3,644
Total	[4]	4,141
Accumulated Depreciation	[4]	$ 1,927
Year Acquired	[4]	1997/98
Year Constructed	[4]	1997/98
FLORIDA | Industrial [Member] | Orlando [Member] | John Young Commerce Center II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	512
Buildings and Improvements	[4]	3,613
Costs Capitalized Subsequent to Acquisition	[4]	504
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	512
Buildings and Improvements	[4]	4,117
Total	[4]	4,629
Accumulated Depreciation	[4]	$ 2,529
Year Acquired	[4]	1998
Year Constructed	[4]	1999
FLORIDA | Industrial [Member] | Orlando [Member] | Altamonte Commerce Center I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	1,498
Buildings and Improvements	[4]	2,661
Costs Capitalized Subsequent to Acquisition	[4]	2,649
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	1,498
Buildings and Improvements	[4]	5,310
Total	[4]	6,808
Accumulated Depreciation	[4]	$ 3,711
Year Acquired	[4]	1999
Year Constructed	[4]	1980/82
FLORIDA | Industrial [Member] | Orlando [Member] | Altamonte Commerce Center II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	745
Buildings and Improvements	[4]	2,618
Costs Capitalized Subsequent to Acquisition	[4]	1,216
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	745
Buildings and Improvements	[4]	3,834
Total	[4]	4,579
Accumulated Depreciation	[4]	$ 2,096
Year Acquired	[4]	2003
Year Constructed	[4]	1975
FLORIDA | Industrial [Member] | Orlando [Member] | Sunport Center I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	555
Buildings and Improvements	[4]	1,977
Costs Capitalized Subsequent to Acquisition	[4]	738
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	555
Buildings and Improvements	[4]	2,715
Total	[4]	3,270
Accumulated Depreciation	[4]	$ 1,434
Year Acquired	[4]	1999
Year Constructed	[4]	1999
FLORIDA | Industrial [Member] | Orlando [Member] | Sunport Center II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	597
Buildings and Improvements	[4]	3,271
Costs Capitalized Subsequent to Acquisition	[4]	1,515
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	597
Buildings and Improvements	[4]	4,786
Total	[4]	5,383
Accumulated Depreciation	[4]	$ 3,260
Year Acquired	[4]	1999
Year Constructed	[4]	2001
FLORIDA | Industrial [Member] | Orlando [Member] | Sunport Center III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	642
Buildings and Improvements	[4]	3,121
Costs Capitalized Subsequent to Acquisition	[4]	1,029
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	642
Buildings and Improvements	[4]	4,150
Total	[4]	4,792
Accumulated Depreciation	[4]	$ 2,075
Year Acquired	[4]	1999
Year Constructed	[4]	2002
FLORIDA | Industrial [Member] | Orlando [Member] | Sunport Center IV [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	642
Buildings and Improvements	[4]	2,917
Costs Capitalized Subsequent to Acquisition	[4]	1,482
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	642
Buildings and Improvements	[4]	4,399
Total	[4]	5,041
Accumulated Depreciation	[4]	$ 2,137
Year Acquired	[4]	1999
Year Constructed	[4]	2004
FLORIDA | Industrial [Member] | Orlando [Member] | Sunport Center V [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	750
Buildings and Improvements	[4]	2,509
Costs Capitalized Subsequent to Acquisition	[4]	2,390
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	750
Buildings and Improvements	[4]	4,899
Total	[4]	5,649
Accumulated Depreciation	[4]	$ 2,591
Year Acquired	[4]	1999
Year Constructed	[4]	2005
FLORIDA | Industrial [Member] | Orlando [Member] | Sunport Center VI [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	672
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	3,478
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	672
Buildings and Improvements	[4]	3,478
Total	[4]	4,150
Accumulated Depreciation	[4]	$ 1,279
Year Acquired	[4]	1999
Year Constructed	[4]	2006
FLORIDA | Industrial [Member] | Orlando [Member] | Southridge Commerce Park I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	373
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	4,833
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	373
Buildings and Improvements	[4]	4,833
Total	[4]	5,206
Accumulated Depreciation	[4]	$ 2,683
Year Acquired	[4]	2003
Year Constructed	[4]	2006
FLORIDA | Industrial [Member] | Orlando [Member] | Southridge Commerce Park II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	342
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	4,425
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	342
Buildings and Improvements	[4]	4,425
Total	[4]	4,767
Accumulated Depreciation	[4]	$ 2,101
Year Acquired	[4]	2003
Year Constructed	[4]	2007
FLORIDA | Industrial [Member] | Orlando [Member] | Southridge Commerce Park III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	547
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	5,538
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	547
Buildings and Improvements	[4]	5,538
Total	[4]	6,085
Accumulated Depreciation	[4]	$ 1,967
Year Acquired	[4]	2003
Year Constructed	[4]	2007
FLORIDA | Industrial [Member] | Orlando [Member] | Southridge Commerce Park IV [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[5]	$ 2,956
Initial Cost to the Company [Abstract]
Land	[4],[5]	506
Buildings and Improvements	[4],[5]	0
Costs Capitalized Subsequent to Acquisition	[4],[5]	4,638
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[5]	506
Buildings and Improvements	[4],[5]	4,638
Total	[4],[5]	5,144
Accumulated Depreciation	[4],[5]	$ 1,724
Year Acquired	[4],[5]	2003
Year Constructed	[4],[5]	2006
FLORIDA | Industrial [Member] | Orlando [Member] | Southridge Commerce Park V [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[5]	$ 2,810
Initial Cost to the Company [Abstract]
Land	[4],[5]	382
Buildings and Improvements	[4],[5]	0
Costs Capitalized Subsequent to Acquisition	[4],[5]	4,508
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[5]	382
Buildings and Improvements	[4],[5]	4,508
Total	[4],[5]	4,890
Accumulated Depreciation	[4],[5]	$ 1,946
Year Acquired	[4],[5]	2003
Year Constructed	[4],[5]	2006
FLORIDA | Industrial [Member] | Orlando [Member] | Southridge Commerce Park VI [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	571
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	5,272
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	571
Buildings and Improvements	[4]	5,272
Total	[4]	5,843
Accumulated Depreciation	[4]	$ 1,708
Year Acquired	[4]	2003
Year Constructed	[4]	2007
FLORIDA | Industrial [Member] | Orlando [Member] | Southridge Commerce Park VII [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	520
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	6,729
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	520
Buildings and Improvements	[4]	6,729
Total	[4]	7,249
Accumulated Depreciation	[4]	$ 2,150
Year Acquired	[4]	2003
Year Constructed	[4]	2008
FLORIDA | Industrial [Member] | Orlando [Member] | Southridge Commerce Park VIII [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	531
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	6,343
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	531
Buildings and Improvements	[4]	6,343
Total	[4]	6,874
Accumulated Depreciation	[4]	$ 1,751
Year Acquired	[4]	2003
Year Constructed	[4]	2008
FLORIDA | Industrial [Member] | Orlando [Member] | Southridge Commerce Park IX [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	468
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	6,455
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	468
Buildings and Improvements	[4]	6,455
Total	[4]	6,923
Accumulated Depreciation	[4]	$ 1,140
Year Acquired	[4]	2003
Year Constructed	[4]	2012
FLORIDA | Industrial [Member] | Orlando [Member] | Southridge Commerce Park X [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	414
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	4,867
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	414
Buildings and Improvements	[4]	4,867
Total	[4]	5,281
Accumulated Depreciation	[4]	$ 603
Year Acquired	[4]	2003
Year Constructed	[4]	2012
FLORIDA | Industrial [Member] | Orlando [Member] | Southridge Commerce Park XI [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	513
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	5,927
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	513
Buildings and Improvements	[4]	5,927
Total	[4]	6,440
Accumulated Depreciation	[4]	$ 886
Year Acquired	[4]	2003
Year Constructed	[4]	2012
FLORIDA | Industrial [Member] | Orlando [Member] | Southridge Commerce Park XII [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	2,025
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	16,930
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	2,025
Buildings and Improvements	[4]	16,930
Total	[4]	18,955
Accumulated Depreciation	[4]	$ 4,258
Year Acquired	[4]	2005
Year Constructed	[4]	2008
FLORIDA | Industrial [Member] | Orlando [Member] | Horizon I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	991
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	6,501
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	991
Buildings and Improvements	[4]	6,501
Total	[4]	7,492
Accumulated Depreciation	[4]	$ 597
Year Acquired	[4]	2008
Year Constructed	[4]	2014
FLORIDA | Industrial [Member] | Orlando [Member] | Horizon II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	1,111
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	7,097
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	1,111
Buildings and Improvements	[4]	7,097
Total	[4]	8,208
Accumulated Depreciation	[4]	$ 519
Year Acquired	[4]	2008
Year Constructed	[4]	2014
FLORIDA | Industrial [Member] | Orlando [Member] | Horizon III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	991
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	6,417
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	991
Buildings and Improvements	[4]	6,417
Total	[4]	7,408
Accumulated Depreciation	[4]	$ 177
Year Acquired	[4]	2008
Year Constructed	[4]	2016
FLORIDA | Industrial [Member] | Orlando [Member] | Horizon IV [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	1,097
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	8,523
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	1,097
Buildings and Improvements	[4]	8,523
Total	[4]	9,620
Accumulated Depreciation	[4]	$ 328
Year Acquired	[4]	2008
Year Constructed	[4]	2015
FLORIDA | Industrial [Member] | Jacksonville [Member] | Deerwood Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	1,147
Buildings and Improvements	[4]	1,799
Costs Capitalized Subsequent to Acquisition	[4]	3,400
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	1,147
Buildings and Improvements	[4]	5,199
Total	[4]	6,346
Accumulated Depreciation	[4]	$ 2,877
Year Acquired	[4]	1989
Year Constructed	[4]	1978
FLORIDA | Industrial [Member] | Jacksonville [Member] | Phillips Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	1,375
Buildings and Improvements	[4]	2,961
Costs Capitalized Subsequent to Acquisition	[4]	4,392
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	1,375
Buildings and Improvements	[4]	7,353
Total	[4]	8,728
Accumulated Depreciation	[4]	$ 5,155
Year Acquired	[4]	1994
Year Constructed	[4]	1984/95
FLORIDA | Industrial [Member] | Jacksonville [Member] | Lake Pointe Business Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	3,442
Buildings and Improvements	[4]	6,450
Costs Capitalized Subsequent to Acquisition	[4]	8,110
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	3,442
Buildings and Improvements	[4]	14,560
Total	[4]	18,002
Accumulated Depreciation	[4]	$ 10,528
Year Acquired	[4]	1993
Year Constructed	[4]	1986/87
FLORIDA | Industrial [Member] | Jacksonville [Member] | Ellis Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	540
Buildings and Improvements	[4]	7,513
Costs Capitalized Subsequent to Acquisition	[4]	1,191
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	540
Buildings and Improvements	[4]	8,704
Total	[4]	9,244
Accumulated Depreciation	[4]	$ 4,509
Year Acquired	[4]	1997
Year Constructed	[4]	1977
FLORIDA | Industrial [Member] | Jacksonville [Member] | Westside Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	2,011
Buildings and Improvements	[4]	15,374
Costs Capitalized Subsequent to Acquisition	[4]	7,446
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	2,011
Buildings and Improvements	[4]	22,820
Total	[4]	24,831
Accumulated Depreciation	[4]	$ 11,389
Year Acquired	[4]	1997/2008
Year Constructed	[4]	1984/85
FLORIDA | Industrial [Member] | Jacksonville [Member] | Beach Commerce Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	476
Buildings and Improvements	[4]	1,899
Costs Capitalized Subsequent to Acquisition	[4]	644
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	476
Buildings and Improvements	[4]	2,543
Total	[4]	3,019
Accumulated Depreciation	[4]	$ 1,327
Year Acquired	[4]	2000
Year Constructed	[4]	2000
FLORIDA | Industrial [Member] | Jacksonville [Member] | Interstate Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	1,879
Buildings and Improvements	[4]	5,700
Costs Capitalized Subsequent to Acquisition	[4]	1,776
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	1,879
Buildings and Improvements	[4]	7,476
Total	[4]	9,355
Accumulated Depreciation	[4]	$ 3,724
Year Acquired	[4]	2005
Year Constructed	[4]	1990
FLORIDA | Industrial [Member] | Jacksonville [Member] | Flagler Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	7,317
Buildings and Improvements	[4]	14,912
Costs Capitalized Subsequent to Acquisition	[4]	0
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	7,317
Buildings and Improvements	[4]	14,912
Total	[4]	22,229
Accumulated Depreciation	[4]	$ 201
Year Acquired	[4]	2016
Year Constructed	[4]	1997 & 2005
FLORIDA | Industrial [Member] | Fort Lauderdale/Palm Beach area [Member] | Linpro Commerce Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	613
Buildings and Improvements	[4]	2,243
Costs Capitalized Subsequent to Acquisition	[4]	1,941
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	616
Buildings and Improvements	[4]	4,181
Total	[4]	4,797
Accumulated Depreciation	[4]	$ 3,182
Year Acquired	[4]	1996
Year Constructed	[4]	1986
FLORIDA | Industrial [Member] | Fort Lauderdale/Palm Beach area [Member] | Cypress Creek Business Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	0
Buildings and Improvements	[4]	2,465
Costs Capitalized Subsequent to Acquisition	[4]	1,878
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	0
Buildings and Improvements	[4]	4,343
Total	[4]	4,343
Accumulated Depreciation	[4]	$ 2,867
Year Acquired	[4]	1997
Year Constructed	[4]	1986
FLORIDA | Industrial [Member] | Fort Lauderdale/Palm Beach area [Member] | Lockhart Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	0
Buildings and Improvements	[4]	3,489
Costs Capitalized Subsequent to Acquisition	[4]	2,905
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	0
Buildings and Improvements	[4]	6,394
Total	[4]	6,394
Accumulated Depreciation	[4]	$ 4,036
Year Acquired	[4]	1997
Year Constructed	[4]	1986
FLORIDA | Industrial [Member] | Fort Lauderdale/Palm Beach area [Member] | Interstate Commerce Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	485
Buildings and Improvements	[4]	2,652
Costs Capitalized Subsequent to Acquisition	[4]	817
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	485
Buildings and Improvements	[4]	3,469
Total	[4]	3,954
Accumulated Depreciation	[4]	$ 2,228
Year Acquired	[4]	1998
Year Constructed	[4]	1988
FLORIDA | Industrial [Member] | Fort Lauderdale/Palm Beach area [Member] | Executive Airport Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4],[7]	$ 7,309
Initial Cost to the Company [Abstract]
Land	[4],[7]	1,991
Buildings and Improvements	[4],[7]	4,857
Costs Capitalized Subsequent to Acquisition	[4],[7]	5,138
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4],[7]	1,991
Buildings and Improvements	[4],[7]	9,995
Total	[4],[7]	11,986
Accumulated Depreciation	[4],[7]	$ 4,697
Year Acquired	[4],[7]	2001
Year Constructed	[4],[7]	2004/06
FLORIDA | Industrial [Member] | Fort Lauderdale/Palm Beach area [Member] | Sample 95 Business Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	2,202
Buildings and Improvements	[4]	8,785
Costs Capitalized Subsequent to Acquisition	[4]	3,452
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	2,202
Buildings and Improvements	[4]	12,237
Total	[4]	14,439
Accumulated Depreciation	[4]	$ 7,572
Year Acquired	[4]	1996/98
Year Constructed	[4]	1990/99
FLORIDA | Industrial [Member] | Fort Lauderdale/Palm Beach area [Member] | Blue Heron Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	975
Buildings and Improvements	[4]	3,626
Costs Capitalized Subsequent to Acquisition	[4]	1,939
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	975
Buildings and Improvements	[4]	5,565
Total	[4]	6,540
Accumulated Depreciation	[4]	$ 3,412
Year Acquired	[4]	1999
Year Constructed	[4]	1986
FLORIDA | Industrial [Member] | Fort Lauderdale/Palm Beach area [Member] | Blue Heron Distribution Center II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 576
Initial Cost to the Company [Abstract]
Land	[4]	1,385
Buildings and Improvements	[4]	4,222
Costs Capitalized Subsequent to Acquisition	[4]	960
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	1,385
Buildings and Improvements	[4]	5,182
Total	[4]	6,567
Accumulated Depreciation	[4]	$ 2,359
Year Acquired	[4]	2004
Year Constructed	[4]	1988
FLORIDA | Industrial [Member] | Fort Lauderdale/Palm Beach area [Member] | Blue Heron Distribution Center III
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	450
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	2,671
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	450
Buildings and Improvements	[4]	2,671
Total	[4]	3,121
Accumulated Depreciation	[4]	$ 849
Year Acquired	[4]	2004
Year Constructed	[4]	2009
FLORIDA | Industrial [Member] | Fort Myers [Member] | SunCoast Commerce Center I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	911
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	4,768
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	928
Buildings and Improvements	[4]	4,751
Total	[4]	5,679
Accumulated Depreciation	[4]	$ 1,594
Year Acquired	[4]	2005
Year Constructed	[4]	2008
FLORIDA | Industrial [Member] | Fort Myers [Member] | SunCoast Commerce Center II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	911
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	4,952
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	928
Buildings and Improvements	[4]	4,935
Total	[4]	5,863
Accumulated Depreciation	[4]	$ 1,863
Year Acquired	[4]	2005
Year Constructed	[4]	2007
FLORIDA | Industrial [Member] | Fort Myers [Member] | SunCoast Commerce Center III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 0
Initial Cost to the Company [Abstract]
Land	[4]	1,720
Buildings and Improvements	[4]	0
Costs Capitalized Subsequent to Acquisition	[4]	6,584
Gross Amount at which Carried at Close of Period [Abstract]
Land	[4]	1,763
Buildings and Improvements	[4]	6,541
Total	[4]	8,304
Accumulated Depreciation	[4]	$ 1,978
Year Acquired	[4]	2006
Year Constructed	[4]	2008
FLORIDA | Industrial Development [Member] | Oak Creek land [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[6]	$ 0
Initial Cost to the Company [Abstract]
Land	[6]	1,226
Buildings and Improvements	[6]	0
Costs Capitalized Subsequent to Acquisition	[6]	2,455
Gross Amount at which Carried at Close of Period [Abstract]
Land	[6]	1,446
Buildings and Improvements	[6]	2,235
Total	[6]	3,681
Accumulated Depreciation	[6]	$ 0
Year Acquired	[6]	2005
Year Constructed	[6]	n/a
FLORIDA | Industrial Development [Member] | Madison IV & V [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[6]	$ 0
Initial Cost to the Company [Abstract]
Land	[6]	565
Buildings and Improvements	[6]	0
Costs Capitalized Subsequent to Acquisition	[6]	6,960
Gross Amount at which Carried at Close of Period [Abstract]
Land	[6]	565
Buildings and Improvements	[6]	6,960
Total	[6]	7,525
Accumulated Depreciation	[6]	$ 0
Year Acquired	[6]	2012
Year Constructed	[6]	2016
FLORIDA | Industrial Development [Member] | Horizon V [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[6]	$ 0
Initial Cost to the Company [Abstract]
Land	[6]	1,108
Buildings and Improvements	[6]	0
Costs Capitalized Subsequent to Acquisition	[6]	3,327
Gross Amount at which Carried at Close of Period [Abstract]
Land	[6]	1,108
Buildings and Improvements	[6]	3,327
Total	[6]	4,435
Accumulated Depreciation	[6]	$ 0
Year Acquired	[6]	2008
Year Constructed	[6]	n/a
FLORIDA | Industrial Development [Member] | Horizon VII [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[6]	$ 0
Initial Cost to the Company [Abstract]
Land	[6]	962
Buildings and Improvements	[6]	0
Costs Capitalized Subsequent to Acquisition	[6]	5,929
Gross Amount at which Carried at Close of Period [Abstract]
Land	[6]	962
Buildings and Improvements	[6]	5,929
Total	[6]	6,891
Accumulated Depreciation	[6]	$ 0
Year Acquired	[6]	2008
Year Constructed	[6]	n/a
FLORIDA | Industrial Development [Member] | Horizon land [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[6]	$ 0
Initial Cost to the Company [Abstract]
Land	[6]	6,701
Buildings and Improvements	[6]	0
Costs Capitalized Subsequent to Acquisition	[6]	9,428
Gross Amount at which Carried at Close of Period [Abstract]
Land	[6]	6,701
Buildings and Improvements	[6]	9,428
Total	[6]	16,129
Accumulated Depreciation	[6]	$ 0
Year Acquired	[6]	2008/09
Year Constructed	[6]	n/a
FLORIDA | Industrial Development [Member] | SunCoast 4 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[6]	$ 0
Initial Cost to the Company [Abstract]
Land	[6]	1,733
Buildings and Improvements	[6]	0
Costs Capitalized Subsequent to Acquisition	[6]	4,522
Gross Amount at which Carried at Close of Period [Abstract]
Land	[6]	1,762
Buildings and Improvements	[6]	4,493
Total	[6]	6,255
Accumulated Depreciation	[6]	$ 0
Year Acquired	[6]	2006
Year Constructed	[6]	n/a
FLORIDA | Industrial Development [Member] | SunCoast land [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[6]	$ 0
Initial Cost to the Company [Abstract]
Land	[6]	9,159
Buildings and Improvements	[6]	0
Costs Capitalized Subsequent to Acquisition	[6]	4,484
Gross Amount at which Carried at Close of Period [Abstract]
Land	[6]	9,343
Buildings and Improvements	[6]	4,300
Total	[6]	13,643
Accumulated Depreciation	[6]	$ 0
Year Acquired	[6]	2006
Year Constructed	[6]	n/a
FLORIDA | Industrial Development [Member] | Weston [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[6]	$ 0
Initial Cost to the Company [Abstract]
Land	[6]	4,163
Buildings and Improvements	[6]	9,951
Costs Capitalized Subsequent to Acquisition	[6]	167
Gross Amount at which Carried at Close of Period [Abstract]
Land	[6]	4,163
Buildings and Improvements	[6]	10,118
Total	[6]	14,281
Accumulated Depreciation	[6]	$ 22
Year Acquired	[6]	2016
Year Constructed	[6]	n/a
FLORIDA | Industrial Development [Member] | Gateway Commerce Park land [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[6]	$ 0
Initial Cost to the Company [Abstract]
Land	[6]	26,728
Buildings and Improvements	[6]	0
Costs Capitalized Subsequent to Acquisition	[6]	516
Gross Amount at which Carried at Close of Period [Abstract]
Land	[6]	26,728
Buildings and Improvements	[6]	516
Total	[6]	27,244
Accumulated Depreciation	[6]	$ 0
Year Acquired	[6]	2016
Year Constructed	[6]	n/a

[1] Changes in Real Estate Properties follow: Years Ended December 31,2016 2015 2014(In thousands)Balance at beginning of year $2,219,448 2,074,946 1,927,326Purchases of real estate properties 22,228 28,648 47,477Development of real estate properties203,765 95,032 97,696Improvements to real estate properties23,157 25,778 19,862Carrying amount of investments sold (61,121) (4,750) (17,049)Write-off of improvements (496) (206) (366)Balance at end of year (1) $2,406,981 2,219,448 2,074,946(1)Includes 20% noncontrolling interests in Castilian Research Center of $0 and $1,795,000 at December 31, 2016 and 2015, respectively, and in University Business Center of $6,853,000 and $6,670,000 at December 31, 2016 and 2015, respectively.Changes in the accumulated depreciation on real estate properties follow: Years Ended December 31,2016 2015 2014(In thousands)Balance at beginning of year $657,454 600,526 550,113Depreciation expense 63,793 59,882 57,303Accumulated depreciation on assets sold (26,501) (2,748) (6,525)Other (496) (206) (365)Balance at end of year $694,250 657,454 600,526

[2] The estimated aggregate cost of real estate properties at December 31, 2016 for federal income tax purposes was approximately $2,370,650,000 before estimated accumulated tax depreciation of $467,599,000. The federal income tax return for the year ended December 31, 2016, has not been filed and accordingly, this estimate is based on preliminary data.

[3] Includes 20% noncontrolling interests in Castilian Research Center of $0 and $1,795,000 at December 31, 2016 and 2015, respectively, and in University Business Center of $6,853,000 and $6,670,000 at December 31, 2016 and 2015, respectively.

[4] The Company computes depreciation using the straight-line method over the estimated useful lives of the buildings (generally 40 years) and improvements (generally 3 to 15 years).

[5] EastGroup has a $44,493,000 non-recourse first mortgage loan with an insurance company secured by Arion 18, Beltway Crossing VI & VII, Commerce Park II & III, Concord, Interstate V-VII, Lakeview, Ridge Creek II, Southridge IV & V and World Houston 32.

[6] The Company transfers development projects to Real estate properties the earlier of 80% occupancy or one year after completion of the shell construction.

[7] EastGroup has a $58,380,000 non-recourse first mortgage loan with an insurance company secured by 40th Avenue, Beltway Crossing V, Centennial Park, Executive Airport, Interchange Park I, Ocean View, Wetmore 5-8 and World Houston 26, 28, 29 & 30.

[8] EastGroup has a $52,231,000 limited recourse first mortgage loan with an insurance company secured by Dominguez, Industry I & III, Kingsview, Shaw, Walnut and Washington. The loan has a recourse liability of $5 million which will be released based on the secured properties generating certain base rent amounts.

[9] EastGroup has a $47,496,000 non-recourse first mortgage loan with an insurance company secured by Arion 16, Broadway VI, Chino, East University I & II, Northpark, Santan 10 II, 55th Avenue and World Houston 1 & 2 and 21 & 23.

[10] EastGroup has a $52,752,000 non-recourse first mortgage loan with an insurance company secured by Colorado Crossing, Interstate I-III, Rojas, Steele Creek 1 & 2, Stemmons Circle, Venture and World Houston 3-9.