SCHEDULE III (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 453,776	[1],[2]
Initial Cost to the Company [Abstract]
Land	342,914	[1],[2]
Buildings and Improvements	944,800	[1],[2]
Costs Capitalized Subsequent to Acquisition	787,232	[1],[2]
Gross Amount at which Carried at Close of Period [Abstract]
Land	350,071	[1],[2]
Buildings and Improvements	1,724,875	[1],[2]
Total	2,074,946	[1],[2],[3]	1,927,326	[3]	1,768,032	[3]	1,662,593
Accumulated Depreciation	600,526	[1],[2]	550,113		496,247		451,805
Year Constructed	1998
Industrial [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	449,476	[4]
Initial Cost to the Company [Abstract]
Land	280,801	[4]
Buildings and Improvements	944,800	[4]
Costs Capitalized Subsequent to Acquisition	669,372	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	283,116	[4]
Buildings and Improvements	1,611,857	[4]
Total	1,894,973	[4]
Accumulated Depreciation	600,287	[4]
Industrial [Member] | FLORIDA [Member] | Tampa [Member] | 56th Street Commerce Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	843	[4]
Buildings and Improvements	3,567	[4]
Costs Capitalized Subsequent to Acquisition	4,146	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	843	[4]
Buildings and Improvements	7,713	[4]
Total	8,556	[4]
Accumulated Depreciation	5,278	[4]
Year Acquired	1993	[4]
Year Constructed	1981/86/97	[4]
Industrial [Member] | FLORIDA [Member] | Tampa [Member] | Jetport Commerce Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	1,575	[4]
Buildings and Improvements	6,591	[4]
Costs Capitalized Subsequent to Acquisition	5,029	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,575	[4]
Buildings and Improvements	11,620	[4]
Total	13,195	[4]
Accumulated Depreciation	7,202	[4]
Year Acquired	1993-99	[4]
Year Constructed	1974-85	[4]
Industrial [Member] | FLORIDA [Member] | Tampa [Member] | Westport Commerce Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	980	[4]
Buildings and Improvements	3,800	[4]
Costs Capitalized Subsequent to Acquisition	2,509	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	980	[4]
Buildings and Improvements	6,309	[4]
Total	7,289	[4]
Accumulated Depreciation	4,099	[4]
Year Acquired	1994	[4]
Year Constructed	1983/87	[4]
Industrial [Member] | FLORIDA [Member] | Tampa [Member] | Benjamin Distribution Center I and II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	843	[4]
Buildings and Improvements	3,963	[4]
Costs Capitalized Subsequent to Acquisition	1,478	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	883	[4]
Buildings and Improvements	5,401	[4]
Total	6,284	[4]
Accumulated Depreciation	3,323	[4]
Year Acquired	1997	[4]
Year Constructed	1996	[4]
Industrial [Member] | FLORIDA [Member] | Tampa [Member] | Benjamin Distribution Center III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	407	[4]
Buildings and Improvements	1,503	[4]
Costs Capitalized Subsequent to Acquisition	471	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	407	[4]
Buildings and Improvements	1,974	[4]
Total	2,381	[4]
Accumulated Depreciation	1,452	[4]
Year Acquired	1999	[4]
Year Constructed	1988	[4]
Industrial [Member] | FLORIDA [Member] | Tampa [Member] | Palm River Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	1,190	[4]
Buildings and Improvements	4,625	[4]
Costs Capitalized Subsequent to Acquisition	2,405	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,190	[4]
Buildings and Improvements	7,030	[4]
Total	8,220	[4]
Accumulated Depreciation	4,102	[4]
Year Acquired	1997/98	[4]
Year Constructed	1990/97/98	[4]
Industrial [Member] | FLORIDA [Member] | Tampa [Member] | Palm River North I and III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	1,005	[4]
Buildings and Improvements	4,688	[4]
Costs Capitalized Subsequent to Acquisition	2,275	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,005	[4]
Buildings and Improvements	6,963	[4]
Total	7,968	[4]
Accumulated Depreciation	3,705	[4]
Year Acquired	1998	[4]
Year Constructed	2000	[4]
Industrial [Member] | FLORIDA [Member] | Tampa [Member] | Palm River North II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	634	[4]
Buildings and Improvements	4,418	[4]
Costs Capitalized Subsequent to Acquisition	381	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	634	[4]
Buildings and Improvements	4,799	[4]
Total	5,433	[4]
Accumulated Depreciation	3,146	[4]
Year Acquired	1997/98	[4]
Year Constructed	1999	[4]
Industrial [Member] | FLORIDA [Member] | Tampa [Member] | Palm River South I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	655	[4]
Buildings and Improvements	3,187	[4]
Costs Capitalized Subsequent to Acquisition	570	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	655	[4]
Buildings and Improvements	3,757	[4]
Total	4,412	[4]
Accumulated Depreciation	1,504	[4]
Year Acquired	2000	[4]
Year Constructed	2005	[4]
Industrial [Member] | FLORIDA [Member] | Tampa [Member] | Palm River South II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	655	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	4,360	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	655	[4]
Buildings and Improvements	4,360	[4]
Total	5,015	[4]
Accumulated Depreciation	1,848	[4]
Year Acquired	2000	[4]
Year Constructed	2006	[4]
Industrial [Member] | FLORIDA [Member] | Tampa [Member] | Walden Distribution Center I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	337	[4]
Buildings and Improvements	3,318	[4]
Costs Capitalized Subsequent to Acquisition	450	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	337	[4]
Buildings and Improvements	3,768	[4]
Total	4,105	[4]
Accumulated Depreciation	1,818	[4]
Year Acquired	1997/98	[4]
Year Constructed	2001	[4]
Industrial [Member] | FLORIDA [Member] | Tampa [Member] | Walden Distribution Center II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	465	[4]
Buildings and Improvements	3,738	[4]
Costs Capitalized Subsequent to Acquisition	932	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	465	[4]
Buildings and Improvements	4,670	[4]
Total	5,135	[4]
Accumulated Depreciation	2,385	[4]
Year Acquired	1998	[4]
Year Constructed	1998	[4]
Industrial [Member] | FLORIDA [Member] | Tampa [Member] | Oak Creek Distribution Center I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	1,109	[4]
Buildings and Improvements	6,126	[4]
Costs Capitalized Subsequent to Acquisition	1,364	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,109	[4]
Buildings and Improvements	7,490	[4]
Total	8,599	[4]
Accumulated Depreciation	3,237	[4]
Year Acquired	1998	[4]
Year Constructed	1998	[4]
Industrial [Member] | FLORIDA [Member] | Tampa [Member] | Oak Creek Distribution Center II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	647	[4]
Buildings and Improvements	3,603	[4]
Costs Capitalized Subsequent to Acquisition	1,046	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	647	[4]
Buildings and Improvements	4,649	[4]
Total	5,296	[4]
Accumulated Depreciation	2,000	[4]
Year Acquired	2003	[4]
Year Constructed	2001	[4]
Industrial [Member] | FLORIDA [Member] | Tampa [Member] | Oak Creek Distribution Center III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	439	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	3,178	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	556	[4]
Buildings and Improvements	3,061	[4]
Total	3,617	[4]
Accumulated Depreciation	941	[4]
Year Acquired	2005	[4]
Year Constructed	2007	[4]
Industrial [Member] | FLORIDA [Member] | Tampa [Member] | Oak Creek Distribution Center IV [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	805	[4]
Buildings and Improvements	6,472	[4]
Costs Capitalized Subsequent to Acquisition	660	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	805	[4]
Buildings and Improvements	7,132	[4]
Total	7,937	[4]
Accumulated Depreciation	2,064	[4]
Year Acquired	2005	[4]
Year Constructed	2001	[4]
Industrial [Member] | FLORIDA [Member] | Tampa [Member] | Oak Creek Distribution Center V [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	724	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	5,816	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	916	[4]
Buildings and Improvements	5,624	[4]
Total	6,540	[4]
Accumulated Depreciation	1,764	[4]
Year Acquired	2005	[4]
Year Constructed	2007	[4]
Industrial [Member] | FLORIDA [Member] | Tampa [Member] | Oak Creek Distribution Center VI [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	642	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	5,039	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	812	[4]
Buildings and Improvements	4,869	[4]
Total	5,681	[4]
Accumulated Depreciation	1,160	[4]
Year Acquired	2005	[4]
Year Constructed	2008	[4]
Industrial [Member] | FLORIDA [Member] | Tampa [Member] | Oak Creek Distribution Center IX [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	618	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	4,925	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	780	[4]
Buildings and Improvements	4,763	[4]
Total	5,543	[4]
Accumulated Depreciation	917	[4]
Year Acquired	2005	[4]
Year Constructed	2009	[4]
Industrial [Member] | FLORIDA [Member] | Tampa [Member] | Oak Creek Distribution Center A [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	185	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	1,428	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	185	[4]
Buildings and Improvements	1,428	[4]
Total	1,613	[4]
Accumulated Depreciation	346	[4]
Year Acquired	2005	[4]
Year Constructed	2008	[4]
Industrial [Member] | FLORIDA [Member] | Tampa [Member] | Oak Creek Distribution Center B [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	227	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	1,485	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	227	[4]
Buildings and Improvements	1,485	[4]
Total	1,712	[4]
Accumulated Depreciation	334	[4]
Year Acquired	2005	[4]
Year Constructed	2008	[4]
Industrial [Member] | FLORIDA [Member] | Tampa [Member] | Airport Commerce Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	1,257	[4]
Buildings and Improvements	4,012	[4]
Costs Capitalized Subsequent to Acquisition	846	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,257	[4]
Buildings and Improvements	4,858	[4]
Total	6,115	[4]
Accumulated Depreciation	2,327	[4]
Year Acquired	1998	[4]
Year Constructed	1998	[4]
Industrial [Member] | FLORIDA [Member] | Tampa [Member] | Westlake Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	1,333	[4]
Buildings and Improvements	6,998	[4]
Costs Capitalized Subsequent to Acquisition	2,122	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,333	[4]
Buildings and Improvements	9,120	[4]
Total	10,453	[4]
Accumulated Depreciation	4,577	[4]
Year Acquired	1998	[4]
Year Constructed	1998/99	[4]
Industrial [Member] | FLORIDA [Member] | Tampa [Member] | Expressway Commerce Center I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	915	[4]
Buildings and Improvements	5,346	[4]
Costs Capitalized Subsequent to Acquisition	1,028	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	915	[4]
Buildings and Improvements	6,374	[4]
Total	7,289	[4]
Accumulated Depreciation	2,785	[4]
Year Acquired	2002	[4]
Year Constructed	2004	[4]
Industrial [Member] | FLORIDA [Member] | Tampa [Member] | Expressway Commerce Center II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	1,013	[4]
Buildings and Improvements	3,247	[4]
Costs Capitalized Subsequent to Acquisition	383	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,013	[4]
Buildings and Improvements	3,630	[4]
Total	4,643	[4]
Accumulated Depreciation	1,643	[4]
Year Acquired	2003	[4]
Year Constructed	2001	[4]
Industrial [Member] | FLORIDA [Member] | Tampa [Member] | Silo Bend Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	4,131	[4]
Buildings and Improvements	27,497	[4]
Costs Capitalized Subsequent to Acquisition	954	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	4,131	[4]
Buildings and Improvements	28,451	[4]
Total	32,582	[4]
Accumulated Depreciation	3,305	[4]
Year Acquired	2011	[4]
Year Constructed	1987/90	[4]
Industrial [Member] | FLORIDA [Member] | Tampa [Member] | Tampa East Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	791	[4]
Buildings and Improvements	4,758	[4]
Costs Capitalized Subsequent to Acquisition	53	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	791	[4]
Buildings and Improvements	4,811	[4]
Total	5,602	[4]
Accumulated Depreciation	736	[4]
Year Acquired	2011	[4]
Year Constructed	1984	[4]
Industrial [Member] | FLORIDA [Member] | Tampa [Member] | Tampa West Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	2,139	[4]
Buildings and Improvements	8,502	[4]
Costs Capitalized Subsequent to Acquisition	866	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	2,139	[4]
Buildings and Improvements	9,368	[4]
Total	11,507	[4]
Accumulated Depreciation	1,245	[4]
Year Acquired	2011	[4]
Year Constructed	1975/93/94	[4]
Industrial [Member] | FLORIDA [Member] | Tampa [Member] | Madison Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	495	[4]
Buildings and Improvements	2,779	[4]
Costs Capitalized Subsequent to Acquisition	254	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	495	[4]
Buildings and Improvements	3,033	[4]
Total	3,528	[4]
Accumulated Depreciation	389	[4]
Year Acquired	2012	[4]
Year Constructed	2007	[4]
Industrial [Member] | FLORIDA [Member] | Orlando [Member] | Chancellor Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	291	[4]
Buildings and Improvements	1,711	[4]
Costs Capitalized Subsequent to Acquisition	241	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	291	[4]
Buildings and Improvements	1,952	[4]
Total	2,243	[4]
Accumulated Depreciation	1,064	[4]
Year Acquired	1996/97	[4]
Year Constructed	1996/97	[4]
Industrial [Member] | FLORIDA [Member] | Orlando [Member] | Exchange Distribution Center I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	603	[4]
Buildings and Improvements	2,414	[4]
Costs Capitalized Subsequent to Acquisition	2,049	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	603	[4]
Buildings and Improvements	4,463	[4]
Total	5,066	[4]
Accumulated Depreciation	2,944	[4]
Year Acquired	1994	[4]
Year Constructed	1975	[4]
Industrial [Member] | FLORIDA [Member] | Orlando [Member] | Exchange Distribution Center II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	300	[4]
Buildings and Improvements	945	[4]
Costs Capitalized Subsequent to Acquisition	298	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	300	[4]
Buildings and Improvements	1,243	[4]
Total	1,543	[4]
Accumulated Depreciation	612	[4]
Year Acquired	2002	[4]
Year Constructed	1976	[4]
Industrial [Member] | FLORIDA [Member] | Orlando [Member] | Exchange Distribution Center III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	320	[4]
Buildings and Improvements	997	[4]
Costs Capitalized Subsequent to Acquisition	399	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	320	[4]
Buildings and Improvements	1,396	[4]
Total	1,716	[4]
Accumulated Depreciation	741	[4]
Year Acquired	2002	[4]
Year Constructed	1980	[4]
Industrial [Member] | FLORIDA [Member] | Orlando [Member] | Sunbelt Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	1,474	[4]
Buildings and Improvements	5,745	[4]
Costs Capitalized Subsequent to Acquisition	5,368	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,474	[4]
Buildings and Improvements	11,113	[4]
Total	12,587	[4]
Accumulated Depreciation	7,361	[4]
Year Acquired	1989/97/98	[4]
Year Constructed	1974/87/97/98	[4]
Industrial [Member] | FLORIDA [Member] | Orlando [Member] | John Young Commerce Center I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	497	[4]
Buildings and Improvements	2,444	[4]
Costs Capitalized Subsequent to Acquisition	870	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	497	[4]
Buildings and Improvements	3,314	[4]
Total	3,811	[4]
Accumulated Depreciation	1,690	[4]
Year Acquired	1997/98	[4]
Year Constructed	1997/98	[4]
Industrial [Member] | FLORIDA [Member] | Orlando [Member] | John Young Commerce Center II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	512	[4]
Buildings and Improvements	3,613	[4]
Costs Capitalized Subsequent to Acquisition	399	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	512	[4]
Buildings and Improvements	4,012	[4]
Total	4,524	[4]
Accumulated Depreciation	2,312	[4]
Year Acquired	1998	[4]
Year Constructed	1999	[4]
Industrial [Member] | FLORIDA [Member] | Orlando [Member] | Altamonte Commerce Center I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	1,498	[4]
Buildings and Improvements	2,661	[4]
Costs Capitalized Subsequent to Acquisition	2,474	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,498	[4]
Buildings and Improvements	5,135	[4]
Total	6,633	[4]
Accumulated Depreciation	3,366	[4]
Year Acquired	1999	[4]
Year Constructed	1980/82	[4]
Industrial [Member] | FLORIDA [Member] | Orlando [Member] | Altamonte Commerce Center II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	745	[4]
Buildings and Improvements	2,618	[4]
Costs Capitalized Subsequent to Acquisition	1,140	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	745	[4]
Buildings and Improvements	3,758	[4]
Total	4,503	[4]
Accumulated Depreciation	1,776	[4]
Year Acquired	2003	[4]
Year Constructed	1975	[4]
Industrial [Member] | FLORIDA [Member] | Orlando [Member] | Sunport Center I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	555	[4]
Buildings and Improvements	1,977	[4]
Costs Capitalized Subsequent to Acquisition	671	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	555	[4]
Buildings and Improvements	2,648	[4]
Total	3,203	[4]
Accumulated Depreciation	1,297	[4]
Year Acquired	1999	[4]
Year Constructed	1999	[4]
Industrial [Member] | FLORIDA [Member] | Orlando [Member] | Sunport Center II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	597	[4]
Buildings and Improvements	3,271	[4]
Costs Capitalized Subsequent to Acquisition	1,460	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	597	[4]
Buildings and Improvements	4,731	[4]
Total	5,328	[4]
Accumulated Depreciation	3,071	[4]
Year Acquired	1999	[4]
Year Constructed	2001	[4]
Industrial [Member] | FLORIDA [Member] | Orlando [Member] | Sunport Center III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	642	[4]
Buildings and Improvements	3,121	[4]
Costs Capitalized Subsequent to Acquisition	769	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	642	[4]
Buildings and Improvements	3,890	[4]
Total	4,532	[4]
Accumulated Depreciation	1,814	[4]
Year Acquired	1999	[4]
Year Constructed	2002	[4]
Industrial [Member] | FLORIDA [Member] | Orlando [Member] | Sunport Center IV [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	642	[4]
Buildings and Improvements	2,917	[4]
Costs Capitalized Subsequent to Acquisition	1,426	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	642	[4]
Buildings and Improvements	4,343	[4]
Total	4,985	[4]
Accumulated Depreciation	1,742	[4]
Year Acquired	1999	[4]
Year Constructed	2004	[4]
Industrial [Member] | FLORIDA [Member] | Orlando [Member] | Sunport Center V [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	750	[4]
Buildings and Improvements	2,509	[4]
Costs Capitalized Subsequent to Acquisition	2,145	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	750	[4]
Buildings and Improvements	4,654	[4]
Total	5,404	[4]
Accumulated Depreciation	2,374	[4]
Year Acquired	1999	[4]
Year Constructed	2005	[4]
Industrial [Member] | FLORIDA [Member] | Orlando [Member] | Sunport Center VI [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	672	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	3,434	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	672	[4]
Buildings and Improvements	3,434	[4]
Total	4,106	[4]
Accumulated Depreciation	1,095	[4]
Year Acquired	1999	[4]
Year Constructed	2006	[4]
Industrial [Member] | FLORIDA [Member] | Orlando [Member] | Southridge Commerce Park I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	373	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	4,708	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	373	[4]
Buildings and Improvements	4,708	[4]
Total	5,081	[4]
Accumulated Depreciation	2,421	[4]
Year Acquired	2003	[4]
Year Constructed	2006	[4]
Industrial [Member] | FLORIDA [Member] | Orlando [Member] | Southridge Commerce Park II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	342	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	4,417	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	342	[4]
Buildings and Improvements	4,417	[4]
Total	4,759	[4]
Accumulated Depreciation	1,887	[4]
Year Acquired	2003	[4]
Year Constructed	2007	[4]
Industrial [Member] | FLORIDA [Member] | Orlando [Member] | Southridge Commerce Park III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	547	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	5,424	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	547	[4]
Buildings and Improvements	5,424	[4]
Total	5,971	[4]
Accumulated Depreciation	1,630	[4]
Year Acquired	2003	[4]
Year Constructed	2007	[4]
Industrial [Member] | FLORIDA [Member] | Orlando [Member] | Southridge Commerce Park IV [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	3,274	[4],[5]
Initial Cost to the Company [Abstract]
Land	506	[4],[5]
Buildings and Improvements	0	[4],[5]
Costs Capitalized Subsequent to Acquisition	4,561	[4],[5]
Gross Amount at which Carried at Close of Period [Abstract]
Land	506	[4],[5]
Buildings and Improvements	4,561	[4],[5]
Total	5,067	[4],[5]
Accumulated Depreciation	1,448	[4],[5]
Year Acquired	2003	[4],[5]
Year Constructed	2006	[4],[5]
Industrial [Member] | FLORIDA [Member] | Orlando [Member] | Southridge Commerce Park V [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	3,015	[4],[5]
Initial Cost to the Company [Abstract]
Land	382	[4],[5]
Buildings and Improvements	0	[4],[5]
Costs Capitalized Subsequent to Acquisition	4,284	[4],[5]
Gross Amount at which Carried at Close of Period [Abstract]
Land	382	[4],[5]
Buildings and Improvements	4,284	[4],[5]
Total	4,666	[4],[5]
Accumulated Depreciation	1,696	[4],[5]
Year Acquired	2003	[4],[5]
Year Constructed	2006	[4],[5]
Industrial [Member] | FLORIDA [Member] | Orlando [Member] | Southridge Commerce Park VI [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	571	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	5,182	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	571	[4]
Buildings and Improvements	5,182	[4]
Total	5,753	[4]
Accumulated Depreciation	1,347	[4]
Year Acquired	2003	[4]
Year Constructed	2007	[4]
Industrial [Member] | FLORIDA [Member] | Orlando [Member] | Southridge Commerce Park VII [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	520	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	6,333	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	520	[4]
Buildings and Improvements	6,333	[4]
Total	6,853	[4]
Accumulated Depreciation	1,736	[4]
Year Acquired	2003	[4]
Year Constructed	2008	[4]
Industrial [Member] | FLORIDA [Member] | Orlando [Member] | Southridge Commerce Park VIII [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	531	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	6,343	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	531	[4]
Buildings and Improvements	6,343	[4]
Total	6,874	[4]
Accumulated Depreciation	1,413	[4]
Year Acquired	2003	[4]
Year Constructed	2008	[4]
Industrial [Member] | FLORIDA [Member] | Orlando [Member] | Southridge Commerce Park XII [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	2,025	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	16,930	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	2,025	[4]
Buildings and Improvements	16,930	[4]
Total	18,955	[4]
Accumulated Depreciation	3,268	[4]
Year Acquired	2005	[4]
Year Constructed	2008	[4]
Industrial [Member] | FLORIDA [Member] | Orlando [Member] | Southridge IX [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	468	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	6,401	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	468	[4]
Buildings and Improvements	6,401	[4]
Total	6,869	[4]
Accumulated Depreciation	601	[4]
Year Acquired	2003	[4]
Year Constructed	2012	[4]
Industrial [Member] | FLORIDA [Member] | Orlando [Member] | Southridge XI [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	513	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	5,870	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	513	[4]
Buildings and Improvements	5,870	[4]
Total	6,383	[4]
Accumulated Depreciation	398	[4]
Year Acquired	2003	[4]
Year Constructed	2012	[4]
Industrial [Member] | FLORIDA [Member] | Orlando [Member] | Southridge X [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	414	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	4,826	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	414	[4]
Buildings and Improvements	4,826	[4]
Total	5,240	[4]
Accumulated Depreciation	231	[4]
Year Acquired	2003	[4]
Year Constructed	2012	[4]
Industrial [Member] | FLORIDA [Member] | Jacksonville [Member] | Deerwood Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	1,147	[4]
Buildings and Improvements	1,799	[4]
Costs Capitalized Subsequent to Acquisition	2,886	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,147	[4]
Buildings and Improvements	4,685	[4]
Total	5,832	[4]
Accumulated Depreciation	2,333	[4]
Year Acquired	1989	[4]
Year Constructed	1978	[4]
Industrial [Member] | FLORIDA [Member] | Jacksonville [Member] | Phillips Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	1,375	[4]
Buildings and Improvements	2,961	[4]
Costs Capitalized Subsequent to Acquisition	4,283	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,375	[4]
Buildings and Improvements	7,244	[4]
Total	8,619	[4]
Accumulated Depreciation	4,686	[4]
Year Acquired	1994	[4]
Year Constructed	1984/95	[4]
Industrial [Member] | FLORIDA [Member] | Jacksonville [Member] | Lake Pointe Business Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	12,218	[4],[6]
Initial Cost to the Company [Abstract]
Land	3,442	[4],[6]
Buildings and Improvements	6,450	[4],[6]
Costs Capitalized Subsequent to Acquisition	7,366	[4],[6]
Gross Amount at which Carried at Close of Period [Abstract]
Land	3,442	[4],[6]
Buildings and Improvements	13,816	[4],[6]
Total	17,258	[4],[6]
Accumulated Depreciation	9,289	[4],[6]
Year Acquired	1993	[4],[6]
Year Constructed	1986/87	[4],[6]
Industrial [Member] | FLORIDA [Member] | Jacksonville [Member] | Ellis Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	540	[4]
Buildings and Improvements	7,513	[4]
Costs Capitalized Subsequent to Acquisition	1,087	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	540	[4]
Buildings and Improvements	8,600	[4]
Total	9,140	[4]
Accumulated Depreciation	4,027	[4]
Year Acquired	1997	[4]
Year Constructed	1977	[4]
Industrial [Member] | FLORIDA [Member] | Jacksonville [Member] | Westside Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	1,170	[4]
Buildings and Improvements	12,400	[4]
Costs Capitalized Subsequent to Acquisition	4,889	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,170	[4]
Buildings and Improvements	17,289	[4]
Total	18,459	[4]
Accumulated Depreciation	9,114	[4]
Year Acquired	1997	[4]
Year Constructed	1984	[4]
Industrial [Member] | FLORIDA [Member] | Jacksonville [Member] | 12th Street Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	841	[4]
Buildings and Improvements	2,974	[4]
Costs Capitalized Subsequent to Acquisition	1,455	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	841	[4]
Buildings and Improvements	4,429	[4]
Total	5,270	[4]
Accumulated Depreciation	906	[4]
Year Acquired	2008	[4]
Year Constructed	1985	[4]
Industrial [Member] | FLORIDA [Member] | Jacksonville [Member] | Beach Commerce Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	476	[4]
Buildings and Improvements	1,899	[4]
Costs Capitalized Subsequent to Acquisition	615	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	476	[4]
Buildings and Improvements	2,514	[4]
Total	2,990	[4]
Accumulated Depreciation	1,203	[4]
Year Acquired	2000	[4]
Year Constructed	2000	[4]
Industrial [Member] | FLORIDA [Member] | Jacksonville [Member] | Interstate Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	1,879	[4]
Buildings and Improvements	5,700	[4]
Costs Capitalized Subsequent to Acquisition	1,563	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,879	[4]
Buildings and Improvements	7,263	[4]
Total	9,142	[4]
Accumulated Depreciation	3,144	[4]
Year Acquired	2005	[4]
Year Constructed	1990	[4]
Industrial [Member] | FLORIDA [Member] | Fort Lauderdale/Palm Beach area [Member] | Linpro Commerce Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	613	[4]
Buildings and Improvements	2,243	[4]
Costs Capitalized Subsequent to Acquisition	1,597	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	616	[4]
Buildings and Improvements	3,837	[4]
Total	4,453	[4]
Accumulated Depreciation	2,885	[4]
Year Acquired	1996	[4]
Year Constructed	1986	[4]
Industrial [Member] | FLORIDA [Member] | Fort Lauderdale/Palm Beach area [Member] | Cypress Creek Business Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	0	[4]
Buildings and Improvements	2,465	[4]
Costs Capitalized Subsequent to Acquisition	1,700	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	0	[4]
Buildings and Improvements	4,165	[4]
Total	4,165	[4]
Accumulated Depreciation	2,565	[4]
Year Acquired	1997	[4]
Year Constructed	1986	[4]
Industrial [Member] | FLORIDA [Member] | Fort Lauderdale/Palm Beach area [Member] | Lockhart Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	0	[4]
Buildings and Improvements	3,489	[4]
Costs Capitalized Subsequent to Acquisition	2,655	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	0	[4]
Buildings and Improvements	6,144	[4]
Total	6,144	[4]
Accumulated Depreciation	3,577	[4]
Year Acquired	1997	[4]
Year Constructed	1986	[4]
Industrial [Member] | FLORIDA [Member] | Fort Lauderdale/Palm Beach area [Member] | Interstate Commerce Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	485	[4]
Buildings and Improvements	2,652	[4]
Costs Capitalized Subsequent to Acquisition	783	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	485	[4]
Buildings and Improvements	3,435	[4]
Total	3,920	[4]
Accumulated Depreciation	2,038	[4]
Year Acquired	1998	[4]
Year Constructed	1988	[4]
Industrial [Member] | FLORIDA [Member] | Fort Lauderdale/Palm Beach area [Member] | Executive Airport Commerce Ctr [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	8,419	[4],[7]
Initial Cost to the Company [Abstract]
Land	1,991	[4],[7]
Buildings and Improvements	4,857	[4],[7]
Costs Capitalized Subsequent to Acquisition	5,101	[4],[7]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,991	[4],[7]
Buildings and Improvements	9,958	[4],[7]
Total	11,949	[4],[7]
Accumulated Depreciation	3,981	[4],[7]
Year Acquired	2001	[4],[7]
Year Constructed	2004/06	[4],[7]
Industrial [Member] | FLORIDA [Member] | Fort Lauderdale/Palm Beach area [Member] | Sample 95 Business Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	2,202	[4]
Buildings and Improvements	8,785	[4]
Costs Capitalized Subsequent to Acquisition	3,040	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	2,202	[4]
Buildings and Improvements	11,825	[4]
Total	14,027	[4]
Accumulated Depreciation	6,857	[4]
Year Acquired	1996/98	[4]
Year Constructed	1990/99	[4]
Industrial [Member] | FLORIDA [Member] | Fort Lauderdale/Palm Beach area [Member] | Blue Heron Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	975	[4]
Buildings and Improvements	3,626	[4]
Costs Capitalized Subsequent to Acquisition	1,751	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	975	[4]
Buildings and Improvements	5,377	[4]
Total	6,352	[4]
Accumulated Depreciation	3,084	[4]
Year Acquired	1999	[4]
Year Constructed	1986	[4]
Industrial [Member] | FLORIDA [Member] | Fort Lauderdale/Palm Beach area [Member] | Blue Heron Distribution Center II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	884	[4]
Initial Cost to the Company [Abstract]
Land	1,385	[4]
Buildings and Improvements	4,222	[4]
Costs Capitalized Subsequent to Acquisition	809	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,385	[4]
Buildings and Improvements	5,031	[4]
Total	6,416	[4]
Accumulated Depreciation	2,121	[4]
Year Acquired	2004	[4]
Year Constructed	1988	[4]
Industrial [Member] | FLORIDA [Member] | Fort Lauderdale/Palm Beach area [Member] | Blue Heron Distribution Center III
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	450	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	2,663	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	450	[4]
Buildings and Improvements	2,663	[4]
Total	3,113	[4]
Accumulated Depreciation	633	[4]
Year Acquired	2004	[4]
Year Constructed	2009	[4]
Industrial [Member] | FLORIDA [Member] | Fort Myers [Member] | SunCoast Commerce Center I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	911	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	4,768	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	928	[4]
Buildings and Improvements	4,751	[4]
Total	5,679	[4]
Accumulated Depreciation	1,346	[4]
Year Acquired	2005	[4]
Year Constructed	2008	[4]
Industrial [Member] | FLORIDA [Member] | Fort Myers [Member] | SunCoast Commerce Center II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	911	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	4,952	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	928	[4]
Buildings and Improvements	4,935	[4]
Total	5,863	[4]
Accumulated Depreciation	1,547	[4]
Year Acquired	2005	[4]
Year Constructed	2007	[4]
Industrial [Member] | FLORIDA [Member] | Fort Myers [Member] | SunCoast Commerce Center III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	1,720	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	6,376	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,763	[4]
Buildings and Improvements	6,333	[4]
Total	8,096	[4]
Accumulated Depreciation	1,462	[4]
Year Acquired	2006	[4]
Year Constructed	2008	[4]
Industrial [Member] | CALIFORNIA [Member] | San Francisco area [Member] | Wiegman Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	10,163	[4],[8]
Initial Cost to the Company [Abstract]
Land	2,197	[4],[8]
Buildings and Improvements	8,788	[4],[8]
Costs Capitalized Subsequent to Acquisition	1,836	[4],[8]
Gross Amount at which Carried at Close of Period [Abstract]
Land	2,308	[4],[8]
Buildings and Improvements	10,513	[4],[8]
Total	12,821	[4],[8]
Accumulated Depreciation	5,234	[4],[8]
Year Acquired	1996	[4],[8]
Year Constructed	1986/87	[4],[8]
Industrial [Member] | CALIFORNIA [Member] | San Francisco area [Member] | Wiegman Distribution Center II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	2,579	[4]
Buildings and Improvements	4,316	[4]
Costs Capitalized Subsequent to Acquisition	2	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	2,579	[4]
Buildings and Improvements	4,318	[4]
Total	6,897	[4]
Accumulated Depreciation	303	[4]
Year Acquired	2012	[4]
Year Constructed	1998	[4]
Industrial [Member] | CALIFORNIA [Member] | San Francisco area [Member] | Huntwood Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	17,083	[4],[8]
Initial Cost to the Company [Abstract]
Land	3,842	[4],[8]
Buildings and Improvements	15,368	[4],[8]
Costs Capitalized Subsequent to Acquisition	2,324	[4],[8]
Gross Amount at which Carried at Close of Period [Abstract]
Land	3,842	[4],[8]
Buildings and Improvements	17,692	[4],[8]
Total	21,534	[4],[8]
Accumulated Depreciation	9,007	[4],[8]
Year Acquired	1996	[4],[8]
Year Constructed	1988	[4],[8]
Industrial [Member] | CALIFORNIA [Member] | San Francisco area [Member] | San Clemente Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	893	[4]
Buildings and Improvements	2,004	[4]
Costs Capitalized Subsequent to Acquisition	852	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	893	[4]
Buildings and Improvements	2,856	[4]
Total	3,749	[4]
Accumulated Depreciation	1,489	[4]
Year Acquired	1997	[4]
Year Constructed	1978	[4]
Industrial [Member] | CALIFORNIA [Member] | San Francisco area [Member] | Yosemite Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	259	[4]
Buildings and Improvements	7,058	[4]
Costs Capitalized Subsequent to Acquisition	1,022	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	259	[4]
Buildings and Improvements	8,080	[4]
Total	8,339	[4]
Accumulated Depreciation	4,003	[4]
Year Acquired	1999	[4]
Year Constructed	1974/87	[4]
Industrial [Member] | CALIFORNIA [Member] | Los Angeles area [Member] | Kingsview Industrial Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	2,812	[4],[9]
Initial Cost to the Company [Abstract]
Land	643	[4],[9]
Buildings and Improvements	2,573	[4],[9]
Costs Capitalized Subsequent to Acquisition	615	[4],[9]
Gross Amount at which Carried at Close of Period [Abstract]
Land	643	[4],[9]
Buildings and Improvements	3,188	[4],[9]
Total	3,831	[4],[9]
Accumulated Depreciation	1,652	[4],[9]
Year Acquired	1996	[4],[9]
Year Constructed	1980	[4],[9]
Industrial [Member] | CALIFORNIA [Member] | Los Angeles area [Member] | Dominguez Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	8,222	[4],[9]
Initial Cost to the Company [Abstract]
Land	2,006	[4],[9]
Buildings and Improvements	8,025	[4],[9]
Costs Capitalized Subsequent to Acquisition	1,170	[4],[9]
Gross Amount at which Carried at Close of Period [Abstract]
Land	2,006	[4],[9]
Buildings and Improvements	9,195	[4],[9]
Total	11,201	[4],[9]
Accumulated Depreciation	4,930	[4],[9]
Year Acquired	1996	[4],[9]
Year Constructed	1977	[4],[9]
Industrial [Member] | CALIFORNIA [Member] | Los Angeles area [Member] | Main Street Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	1,606	[4]
Buildings and Improvements	4,103	[4]
Costs Capitalized Subsequent to Acquisition	787	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,606	[4]
Buildings and Improvements	4,890	[4]
Total	6,496	[4]
Accumulated Depreciation	2,401	[4]
Year Acquired	1999	[4]
Year Constructed	1999	[4]
Industrial [Member] | CALIFORNIA [Member] | Los Angeles area [Member] | Walnut Business Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	6,848	[4],[9]
Initial Cost to the Company [Abstract]
Land	2,885	[4],[9]
Buildings and Improvements	5,274	[4],[9]
Costs Capitalized Subsequent to Acquisition	1,170	[4],[9]
Gross Amount at which Carried at Close of Period [Abstract]
Land	2,885	[4],[9]
Buildings and Improvements	6,444	[4],[9]
Total	9,329	[4],[9]
Accumulated Depreciation	3,294	[4],[9]
Year Acquired	1996	[4],[9]
Year Constructed	1966/90	[4],[9]
Industrial [Member] | CALIFORNIA [Member] | Los Angeles area [Member] | Washington Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	5,281	[4],[9]
Initial Cost to the Company [Abstract]
Land	1,636	[4],[9]
Buildings and Improvements	4,900	[4],[9]
Costs Capitalized Subsequent to Acquisition	658	[4],[9]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,636	[4],[9]
Buildings and Improvements	5,558	[4],[9]
Total	7,194	[4],[9]
Accumulated Depreciation	2,688	[4],[9]
Year Acquired	1997	[4],[9]
Year Constructed	1996/97	[4],[9]
Industrial [Member] | CALIFORNIA [Member] | Los Angeles area [Member] | Chino Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	9,489	[10],[4]
Initial Cost to the Company [Abstract]
Land	2,544	[10],[4]
Buildings and Improvements	10,175	[10],[4]
Costs Capitalized Subsequent to Acquisition	1,623	[10],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	2,544	[10],[4]
Buildings and Improvements	11,798	[10],[4]
Total	14,342	[10],[4]
Accumulated Depreciation	6,509	[10],[4]
Year Acquired	1998	[10],[4]
Year Constructed	1980	[10],[4]
Industrial [Member] | CALIFORNIA [Member] | Los Angeles area [Member] | Industry Distribution Center I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	18,039	[4],[9]
Initial Cost to the Company [Abstract]
Land	10,230	[4],[9]
Buildings and Improvements	12,373	[4],[9]
Costs Capitalized Subsequent to Acquisition	1,970	[4],[9]
Gross Amount at which Carried at Close of Period [Abstract]
Land	10,230	[4],[9]
Buildings and Improvements	14,343	[4],[9]
Total	24,573	[4],[9]
Accumulated Depreciation	7,013	[4],[9]
Year Acquired	1998	[4],[9]
Year Constructed	1959	[4],[9]
Industrial [Member] | CALIFORNIA [Member] | Los Angeles area [Member] | Industry Distribution Center III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	2,096	[4],[9]
Initial Cost to the Company [Abstract]
Land	0	[4],[9]
Buildings and Improvements	3,012	[4],[9]
Costs Capitalized Subsequent to Acquisition	(157)	[4],[9]
Gross Amount at which Carried at Close of Period [Abstract]
Land	0	[4],[9]
Buildings and Improvements	2,855	[4],[9]
Total	2,855	[4],[9]
Accumulated Depreciation	2,854	[4],[9]
Year Acquired	2007	[4],[9]
Year Constructed	1992	[4],[9]
Industrial [Member] | CALIFORNIA [Member] | Los Angeles area [Member] | Chestnut Business Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	1,674	[4]
Buildings and Improvements	3,465	[4]
Costs Capitalized Subsequent to Acquisition	209	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,674	[4]
Buildings and Improvements	3,674	[4]
Total	5,348	[4]
Accumulated Depreciation	1,630	[4]
Year Acquired	1998	[4]
Year Constructed	1999	[4]
Industrial [Member] | CALIFORNIA [Member] | Los Angeles area [Member] | Los Angeles Corporate Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	1,363	[4]
Buildings and Improvements	5,453	[4]
Costs Capitalized Subsequent to Acquisition	2,940	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,363	[4]
Buildings and Improvements	8,393	[4]
Total	9,756	[4]
Accumulated Depreciation	4,837	[4]
Year Acquired	1996	[4]
Year Constructed	1986	[4]
Industrial [Member] | CALIFORNIA [Member] | Los Angeles area [Member] | Ramona Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	2,846	[4]
Initial Cost to the Company [Abstract]
Land	3,761	[4]
Buildings and Improvements	5,751	[4]
Costs Capitalized Subsequent to Acquisition	0	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	3,761	[4]
Buildings and Improvements	5,751	[4]
Total	9,512	[4]
Accumulated Depreciation	13	[4]
Year Acquired	2014	[4]
Year Constructed	1984	[4]
Industrial [Member] | CALIFORNIA [Member] | Santa Barbara [Member] | University Business Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	5,517	[4]
Buildings and Improvements	22,067	[4]
Costs Capitalized Subsequent to Acquisition	5,095	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	5,519	[4]
Buildings and Improvements	27,160	[4]
Total	32,679	[4]
Accumulated Depreciation	14,436	[4]
Year Acquired	1996	[4]
Year Constructed	1987/88	[4]
Industrial [Member] | CALIFORNIA [Member] | Santa Barbara [Member] | Castilian Research Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	2,719	[4]
Buildings and Improvements	1,410	[4]
Costs Capitalized Subsequent to Acquisition	4,840	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	2,719	[4]
Buildings and Improvements	6,250	[4]
Total	8,969	[4]
Accumulated Depreciation	1,264	[4]
Year Acquired	2005	[4]
Year Constructed	2007	[4]
Industrial [Member] | CALIFORNIA [Member] | Fresno [Member] | Shaw Commerce Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	13,672	[4],[9]
Initial Cost to the Company [Abstract]
Land	2,465	[4],[9]
Buildings and Improvements	11,627	[4],[9]
Costs Capitalized Subsequent to Acquisition	4,532	[4],[9]
Gross Amount at which Carried at Close of Period [Abstract]
Land	2,465	[4],[9]
Buildings and Improvements	16,159	[4],[9]
Total	18,624	[4],[9]
Accumulated Depreciation	9,101	[4],[9]
Year Acquired	1998	[4],[9]
Year Constructed	1978/81/87	[4],[9]
Industrial [Member] | CALIFORNIA [Member] | San Diego [Member] | Eastlake Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	7,160	[11],[4]
Initial Cost to the Company [Abstract]
Land	3,046	[11],[4]
Buildings and Improvements	6,888	[11],[4]
Costs Capitalized Subsequent to Acquisition	1,732	[11],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	3,046	[11],[4]
Buildings and Improvements	8,620	[11],[4]
Total	11,666	[11],[4]
Accumulated Depreciation	4,567	[11],[4]
Year Acquired	1997	[11],[4]
Year Constructed	1989	[11],[4]
Industrial [Member] | CALIFORNIA [Member] | San Diego [Member] | Ocean View Corporate Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	10,019	[4],[7]
Initial Cost to the Company [Abstract]
Land	6,577	[4],[7]
Buildings and Improvements	7,105	[4],[7]
Costs Capitalized Subsequent to Acquisition	539	[4],[7]
Gross Amount at which Carried at Close of Period [Abstract]
Land	6,577	[4],[7]
Buildings and Improvements	7,644	[4],[7]
Total	14,221	[4],[7]
Accumulated Depreciation	1,881	[4],[7]
Year Acquired	2010	[4],[7]
Year Constructed	2005	[4],[7]
Industrial [Member] | TEXAS [Member] | Dallas [Member] | Interstate Distribution Center I and II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	6,019	[12],[4]
Initial Cost to the Company [Abstract]
Land	1,746	[12],[4]
Buildings and Improvements	4,941	[12],[4]
Costs Capitalized Subsequent to Acquisition	2,403	[12],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,746	[12],[4]
Buildings and Improvements	7,344	[12],[4]
Total	9,090	[12],[4]
Accumulated Depreciation	5,312	[12],[4]
Year Acquired	1988	[12],[4]
Year Constructed	1978	[12],[4]
Industrial [Member] | TEXAS [Member] | Dallas [Member] | Interstate Distribution Center III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	2,322	[12],[4]
Initial Cost to the Company [Abstract]
Land	519	[12],[4]
Buildings and Improvements	2,008	[12],[4]
Costs Capitalized Subsequent to Acquisition	980	[12],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	519	[12],[4]
Buildings and Improvements	2,988	[12],[4]
Total	3,507	[12],[4]
Accumulated Depreciation	1,528	[12],[4]
Year Acquired	2000	[12],[4]
Year Constructed	1979	[12],[4]
Industrial [Member] | TEXAS [Member] | Dallas [Member] | Interstate Distribution Center IV [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	416	[4]
Buildings and Improvements	2,481	[4]
Costs Capitalized Subsequent to Acquisition	405	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	416	[4]
Buildings and Improvements	2,886	[4]
Total	3,302	[4]
Accumulated Depreciation	1,217	[4]
Year Acquired	2004	[4]
Year Constructed	2002	[4]
Industrial [Member] | TEXAS [Member] | Dallas [Member] | Interstate Distribution Center V, VI, VII [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	4,667	[4],[5]
Initial Cost to the Company [Abstract]
Land	1,824	[4],[5]
Buildings and Improvements	4,106	[4],[5]
Costs Capitalized Subsequent to Acquisition	1,294	[4],[5]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,824	[4],[5]
Buildings and Improvements	5,400	[4],[5]
Total	7,224	[4],[5]
Accumulated Depreciation	1,903	[4],[5]
Year Acquired	2009	[4],[5]
Year Constructed	1979/80/81	[4],[5]
Industrial [Member] | TEXAS [Member] | Dallas [Member] | Venture Warehouses [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	5,041	[12],[4]
Initial Cost to the Company [Abstract]
Land	1,452	[12],[4]
Buildings and Improvements	3,762	[12],[4]
Costs Capitalized Subsequent to Acquisition	2,399	[12],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,452	[12],[4]
Buildings and Improvements	6,161	[12],[4]
Total	7,613	[12],[4]
Accumulated Depreciation	4,354	[12],[4]
Year Acquired	1988	[12],[4]
Year Constructed	1979	[12],[4]
Industrial [Member] | TEXAS [Member] | Dallas [Member] | Stemmons Circle [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	1,998	[12],[4]
Initial Cost to the Company [Abstract]
Land	363	[12],[4]
Buildings and Improvements	2,014	[12],[4]
Costs Capitalized Subsequent to Acquisition	640	[12],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	363	[12],[4]
Buildings and Improvements	2,654	[12],[4]
Total	3,017	[12],[4]
Accumulated Depreciation	1,612	[12],[4]
Year Acquired	1998	[12],[4]
Year Constructed	1977	[12],[4]
Industrial [Member] | TEXAS [Member] | Dallas [Member] | Ambassador Row Warehouses [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	675	[4]
Buildings and Improvements	2,701	[4]
Costs Capitalized Subsequent to Acquisition	1,340	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	675	[4]
Buildings and Improvements	4,041	[4]
Total	4,716	[4]
Accumulated Depreciation	2,689	[4]
Year Acquired	1998	[4]
Year Constructed	1958/65	[4]
Industrial [Member] | TEXAS [Member] | Dallas [Member] | North Stemmons II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	150	[4]
Buildings and Improvements	583	[4]
Costs Capitalized Subsequent to Acquisition	435	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	150	[4]
Buildings and Improvements	1,018	[4]
Total	1,168	[4]
Accumulated Depreciation	460	[4]
Year Acquired	2002	[4]
Year Constructed	1971	[4]
Industrial [Member] | TEXAS [Member] | Dallas [Member] | North Stemmons III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	380	[4]
Buildings and Improvements	2,066	[4]
Costs Capitalized Subsequent to Acquisition	48	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	380	[4]
Buildings and Improvements	2,114	[4]
Total	2,494	[4]
Accumulated Depreciation	507	[4]
Year Acquired	2007	[4]
Year Constructed	1974	[4]
Industrial [Member] | TEXAS [Member] | Dallas [Member] | Shady Trail Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	635	[4]
Buildings and Improvements	3,621	[4]
Costs Capitalized Subsequent to Acquisition	857	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	635	[4]
Buildings and Improvements	4,478	[4]
Total	5,113	[4]
Accumulated Depreciation	1,816	[4]
Year Acquired	2003	[4]
Year Constructed	1998	[4]
Industrial [Member] | TEXAS [Member] | Dallas [Member] | Valwood Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	4,361	[4]
Buildings and Improvements	34,405	[4]
Costs Capitalized Subsequent to Acquisition	1,364	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	4,361	[4]
Buildings and Improvements	35,769	[4]
Total	40,130	[4]
Accumulated Depreciation	3,300	[4]
Year Acquired	2012	[4]
Year Constructed	1986/87/97/98	[4]
Industrial [Member] | TEXAS [Member] | Dallas [Member] | Northfield Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	12,471	[4]
Buildings and Improvements	50,713	[4]
Costs Capitalized Subsequent to Acquisition	377	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	12,471	[4]
Buildings and Improvements	51,090	[4]
Total	63,561	[4]
Accumulated Depreciation	4,542	[4]
Year Acquired	2013	[4]
Year Constructed	1999-2001/03/04/08	[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | Ten West Crossing 3 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	609	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	4,349	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	613	[4]
Buildings and Improvements	4,345	[4]
Total	4,958	[4]
Accumulated Depreciation	212	[4]
Year Acquired	2012	[4]
Year Constructed	2013	[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | Northwest Point Business Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	1,243	[4]
Buildings and Improvements	5,640	[4]
Costs Capitalized Subsequent to Acquisition	4,659	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,243	[4]
Buildings and Improvements	10,299	[4]
Total	11,542	[4]
Accumulated Depreciation	6,519	[4]
Year Acquired	1994	[4]
Year Constructed	1984/85	[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | Lockwood Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	749	[4]
Buildings and Improvements	5,444	[4]
Costs Capitalized Subsequent to Acquisition	1,985	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	749	[4]
Buildings and Improvements	7,429	[4]
Total	8,178	[4]
Accumulated Depreciation	4,004	[4]
Year Acquired	1997	[4]
Year Constructed	1968/69	[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | West Loop Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	5,040	[12],[4]
Initial Cost to the Company [Abstract]
Land	905	[12],[4]
Buildings and Improvements	4,383	[12],[4]
Costs Capitalized Subsequent to Acquisition	2,324	[12],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	905	[12],[4]
Buildings and Improvements	6,707	[12],[4]
Total	7,612	[12],[4]
Accumulated Depreciation	3,942	[12],[4]
Year Acquired	1997/2000	[12],[4]
Year Constructed	1980	[12],[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | World Houston Intl Business Ctr 1 and 2 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	5,186	[10],[4]
Initial Cost to the Company [Abstract]
Land	660	[10],[4]
Buildings and Improvements	5,893	[10],[4]
Costs Capitalized Subsequent to Acquisition	1,285	[10],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	660	[10],[4]
Buildings and Improvements	7,178	[10],[4]
Total	7,838	[10],[4]
Accumulated Depreciation	4,008	[10],[4]
Year Acquired	1998	[10],[4]
Year Constructed	1996	[10],[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | World Houston Intl Business Ctr 3, 4 and 5 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	5,669	[12],[4]
Initial Cost to the Company [Abstract]
Land	1,025	[12],[4]
Buildings and Improvements	6,413	[12],[4]
Costs Capitalized Subsequent to Acquisition	1,123	[12],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,025	[12],[4]
Buildings and Improvements	7,536	[12],[4]
Total	8,561	[12],[4]
Accumulated Depreciation	3,860	[12],[4]
Year Acquired	1998	[12],[4]
Year Constructed	1998	[12],[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | World Houston Intl Business Ctr 6 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	2,179	[12],[4]
Initial Cost to the Company [Abstract]
Land	425	[12],[4]
Buildings and Improvements	2,423	[12],[4]
Costs Capitalized Subsequent to Acquisition	442	[12],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	425	[12],[4]
Buildings and Improvements	2,865	[12],[4]
Total	3,290	[12],[4]
Accumulated Depreciation	1,598	[12],[4]
Year Acquired	1998	[12],[4]
Year Constructed	1998	[12],[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | World Houston Intl Business Ctr 7 and 8 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	6,227	[12],[4]
Initial Cost to the Company [Abstract]
Land	680	[12],[4]
Buildings and Improvements	4,584	[12],[4]
Costs Capitalized Subsequent to Acquisition	4,139	[12],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	680	[12],[4]
Buildings and Improvements	8,723	[12],[4]
Total	9,403	[12],[4]
Accumulated Depreciation	4,661	[12],[4]
Year Acquired	1998	[12],[4]
Year Constructed	1998	[12],[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | World Houston Intl Business Ctr 9 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	4,462	[12],[4]
Initial Cost to the Company [Abstract]
Land	800	[12],[4]
Buildings and Improvements	4,355	[12],[4]
Costs Capitalized Subsequent to Acquisition	1,584	[12],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	800	[12],[4]
Buildings and Improvements	5,939	[12],[4]
Total	6,739	[12],[4]
Accumulated Depreciation	2,364	[12],[4]
Year Acquired	1998	[12],[4]
Year Constructed	1998	[12],[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | World Houston Intl Business Ctr 10 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	933	[4]
Buildings and Improvements	4,779	[4]
Costs Capitalized Subsequent to Acquisition	327	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	933	[4]
Buildings and Improvements	5,106	[4]
Total	6,039	[4]
Accumulated Depreciation	2,074	[4]
Year Acquired	2001	[4]
Year Constructed	1999	[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | World Houston Intl Business Ctr 11 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	638	[4]
Buildings and Improvements	3,764	[4]
Costs Capitalized Subsequent to Acquisition	1,191	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	638	[4]
Buildings and Improvements	4,955	[4]
Total	5,593	[4]
Accumulated Depreciation	2,344	[4]
Year Acquired	1999	[4]
Year Constructed	1999	[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | World Houston Intl Business Ctr 12 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	340	[4]
Buildings and Improvements	2,419	[4]
Costs Capitalized Subsequent to Acquisition	387	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	340	[4]
Buildings and Improvements	2,806	[4]
Total	3,146	[4]
Accumulated Depreciation	1,413	[4]
Year Acquired	2000	[4]
Year Constructed	2002	[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | World Houston Intl Business Ctr 13 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	282	[4]
Buildings and Improvements	2,569	[4]
Costs Capitalized Subsequent to Acquisition	350	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	282	[4]
Buildings and Improvements	2,919	[4]
Total	3,201	[4]
Accumulated Depreciation	1,718	[4]
Year Acquired	2000	[4]
Year Constructed	2002	[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | World Houston Intl Business Ctr 14 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	722	[4]
Buildings and Improvements	2,629	[4]
Costs Capitalized Subsequent to Acquisition	535	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	722	[4]
Buildings and Improvements	3,164	[4]
Total	3,886	[4]
Accumulated Depreciation	1,528	[4]
Year Acquired	2000	[4]
Year Constructed	2003	[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | World Houston Intl Business Ctr 15 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	4,047	[11],[4]
Initial Cost to the Company [Abstract]
Land	731	[11],[4]
Buildings and Improvements	0	[11],[4]
Costs Capitalized Subsequent to Acquisition	5,863	[11],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	731	[11],[4]
Buildings and Improvements	5,863	[11],[4]
Total	6,594	[11],[4]
Accumulated Depreciation	2,756	[11],[4]
Year Acquired	2000	[11],[4]
Year Constructed	2007	[11],[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | World Houston Intl Business Ctr 16 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	3,659	[13],[4]
Initial Cost to the Company [Abstract]
Land	519	[13],[4]
Buildings and Improvements	4,248	[13],[4]
Costs Capitalized Subsequent to Acquisition	1,144	[13],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	519	[13],[4]
Buildings and Improvements	5,392	[13],[4]
Total	5,911	[13],[4]
Accumulated Depreciation	2,531	[13],[4]
Year Acquired	2000	[13],[4]
Year Constructed	2005	[13],[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | World Houston Intl Business Ctr 17 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	373	[4]
Buildings and Improvements	1,945	[4]
Costs Capitalized Subsequent to Acquisition	785	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	373	[4]
Buildings and Improvements	2,730	[4]
Total	3,103	[4]
Accumulated Depreciation	1,074	[4]
Year Acquired	2000	[4]
Year Constructed	2004	[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | World Houston Intl Business Ctr 18 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	323	[4]
Buildings and Improvements	1,512	[4]
Costs Capitalized Subsequent to Acquisition	251	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	323	[4]
Buildings and Improvements	1,763	[4]
Total	2,086	[4]
Accumulated Depreciation	690	[4]
Year Acquired	2005	[4]
Year Constructed	1995	[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | World Houston Intl Business Ctr 19 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	2,511	[4],[6]
Initial Cost to the Company [Abstract]
Land	373	[4],[6]
Buildings and Improvements	2,256	[4],[6]
Costs Capitalized Subsequent to Acquisition	916	[4],[6]
Gross Amount at which Carried at Close of Period [Abstract]
Land	373	[4],[6]
Buildings and Improvements	3,172	[4],[6]
Total	3,545	[4],[6]
Accumulated Depreciation	1,706	[4],[6]
Year Acquired	2000	[4],[6]
Year Constructed	2004	[4],[6]
Industrial [Member] | TEXAS [Member] | Houston [Member] | World Houston Intl Business Ctr 20 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	3,017	[4],[6]
Initial Cost to the Company [Abstract]
Land	1,008	[4],[6]
Buildings and Improvements	1,948	[4],[6]
Costs Capitalized Subsequent to Acquisition	1,307	[4],[6]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,008	[4],[6]
Buildings and Improvements	3,255	[4],[6]
Total	4,263	[4],[6]
Accumulated Depreciation	1,657	[4],[6]
Year Acquired	2000	[4],[6]
Year Constructed	2004	[4],[6]
Industrial [Member] | TEXAS [Member] | Houston [Member] | World Houston Intl Business Ctr 21 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	2,587	[10],[4]
Initial Cost to the Company [Abstract]
Land	436	[10],[4]
Buildings and Improvements	0	[10],[4]
Costs Capitalized Subsequent to Acquisition	3,474	[10],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	436	[10],[4]
Buildings and Improvements	3,474	[10],[4]
Total	3,910	[10],[4]
Accumulated Depreciation	1,093	[10],[4]
Year Acquired	2000/03	[10],[4]
Year Constructed	2006	[10],[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | World Houston Intl Business Ctr 22 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	2,945	[11],[4]
Initial Cost to the Company [Abstract]
Land	436	[11],[4]
Buildings and Improvements	0	[11],[4]
Costs Capitalized Subsequent to Acquisition	4,362	[11],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	436	[11],[4]
Buildings and Improvements	4,362	[11],[4]
Total	4,798	[11],[4]
Accumulated Depreciation	1,549	[11],[4]
Year Acquired	2000	[11],[4]
Year Constructed	2007	[11],[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | World Houston Intl Business Ctr 23 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	5,251	[10],[4]
Initial Cost to the Company [Abstract]
Land	910	[10],[4]
Buildings and Improvements	0	[10],[4]
Costs Capitalized Subsequent to Acquisition	7,026	[10],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	910	[10],[4]
Buildings and Improvements	7,026	[10],[4]
Total	7,936	[10],[4]
Accumulated Depreciation	2,187	[10],[4]
Year Acquired	2000	[10],[4]
Year Constructed	2007	[10],[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | World Houston Intl Business Ctr 24 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	837	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	5,473	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	837	[4]
Buildings and Improvements	5,473	[4]
Total	6,310	[4]
Accumulated Depreciation	1,911	[4]
Year Acquired	2005	[4]
Year Constructed	2008	[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | World Houston Intl Business Ctr 25 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	508	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	3,676	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	508	[4]
Buildings and Improvements	3,676	[4]
Total	4,184	[4]
Accumulated Depreciation	1,036	[4]
Year Acquired	2005	[4]
Year Constructed	2008	[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | World Houston Intl Business Ctr 26 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	2,564	[4],[7]
Initial Cost to the Company [Abstract]
Land	445	[4],[7]
Buildings and Improvements	0	[4],[7]
Costs Capitalized Subsequent to Acquisition	3,194	[4],[7]
Gross Amount at which Carried at Close of Period [Abstract]
Land	445	[4],[7]
Buildings and Improvements	3,194	[4],[7]
Total	3,639	[4],[7]
Accumulated Depreciation	898	[4],[7]
Year Acquired	2005	[4],[7]
Year Constructed	2008	[4],[7]
Industrial [Member] | TEXAS [Member] | Houston [Member] | World Houston Intl Business Ctr 27 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	837	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	4,964	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	837	[4]
Buildings and Improvements	4,964	[4]
Total	5,801	[4]
Accumulated Depreciation	1,181	[4]
Year Acquired	2005	[4]
Year Constructed	2008	[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | World Houston Intl Business Ctr 28 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	3,259	[4],[7]
Initial Cost to the Company [Abstract]
Land	550	[4],[7]
Buildings and Improvements	0	[4],[7]
Costs Capitalized Subsequent to Acquisition	4,075	[4],[7]
Gross Amount at which Carried at Close of Period [Abstract]
Land	550	[4],[7]
Buildings and Improvements	4,075	[4],[7]
Total	4,625	[4],[7]
Accumulated Depreciation	960	[4],[7]
Year Acquired	2005	[4],[7]
Year Constructed	2009	[4],[7]
Industrial [Member] | TEXAS [Member] | Houston [Member] | World Houston Intl Business Ctr 29 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	3,466	[4],[7]
Initial Cost to the Company [Abstract]
Land	782	[4],[7]
Buildings and Improvements	0	[4],[7]
Costs Capitalized Subsequent to Acquisition	4,138	[4],[7]
Gross Amount at which Carried at Close of Period [Abstract]
Land	974	[4],[7]
Buildings and Improvements	3,946	[4],[7]
Total	4,920	[4],[7]
Accumulated Depreciation	934	[4],[7]
Year Acquired	2007	[4],[7]
Year Constructed	2009	[4],[7]
Industrial [Member] | TEXAS [Member] | Houston [Member] | World Houston Intl Business Ctr 30 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	4,702	[4],[7]
Initial Cost to the Company [Abstract]
Land	981	[4],[7]
Buildings and Improvements	0	[4],[7]
Costs Capitalized Subsequent to Acquisition	5,693	[4],[7]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,222	[4],[7]
Buildings and Improvements	5,452	[4],[7]
Total	6,674	[4],[7]
Accumulated Depreciation	1,532	[4],[7]
Year Acquired	2007	[4],[7]
Year Constructed	2009	[4],[7]
Industrial [Member] | TEXAS [Member] | Houston [Member] | World Houston Intl Business Ctr31a Member
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	684	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	3,910	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	684	[4]
Buildings and Improvements	3,910	[4]
Total	4,594	[4]
Accumulated Depreciation	774	[4]
Year Acquired	2008	[4]
Year Constructed	2011	[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | World Houston Intl Business Ctr 32 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	4,357	[4],[5]
Initial Cost to the Company [Abstract]
Land	1,225	[4],[5]
Buildings and Improvements	0	[4],[5]
Costs Capitalized Subsequent to Acquisition	5,519	[4],[5]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,526	[4],[5]
Buildings and Improvements	5,218	[4],[5]
Total	6,744	[4],[5]
Accumulated Depreciation	618	[4],[5]
Year Acquired	2007	[4],[5]
Year Constructed	2012	[4],[5]
Industrial [Member] | TEXAS [Member] | Houston [Member] | America Plaza [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	4,177	[12],[4]
Initial Cost to the Company [Abstract]
Land	662	[12],[4]
Buildings and Improvements	4,660	[12],[4]
Costs Capitalized Subsequent to Acquisition	987	[12],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	662	[12],[4]
Buildings and Improvements	5,647	[12],[4]
Total	6,309	[12],[4]
Accumulated Depreciation	2,973	[12],[4]
Year Acquired	1998	[12],[4]
Year Constructed	1996	[12],[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | Central Green Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	3,130	[12],[4]
Initial Cost to the Company [Abstract]
Land	566	[12],[4]
Buildings and Improvements	4,031	[12],[4]
Costs Capitalized Subsequent to Acquisition	130	[12],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	566	[12],[4]
Buildings and Improvements	4,161	[12],[4]
Total	4,727	[12],[4]
Accumulated Depreciation	2,091	[12],[4]
Year Acquired	1999	[12],[4]
Year Constructed	1998	[12],[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | Glenmont Business Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	6,359	[12],[4]
Initial Cost to the Company [Abstract]
Land	936	[12],[4]
Buildings and Improvements	6,161	[12],[4]
Costs Capitalized Subsequent to Acquisition	2,506	[12],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	936	[12],[4]
Buildings and Improvements	8,667	[12],[4]
Total	9,603	[12],[4]
Accumulated Depreciation	4,592	[12],[4]
Year Acquired	1998	[12],[4]
Year Constructed	1999/2000	[12],[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | Techway Southwest I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	729	[4]
Buildings and Improvements	3,765	[4]
Costs Capitalized Subsequent to Acquisition	2,280	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	729	[4]
Buildings and Improvements	6,045	[4]
Total	6,774	[4]
Accumulated Depreciation	3,024	[4]
Year Acquired	2000	[4]
Year Constructed	2001	[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | Techway Southwest II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	3,908	[4],[6]
Initial Cost to the Company [Abstract]
Land	550	[4],[6]
Buildings and Improvements	3,689	[4],[6]
Costs Capitalized Subsequent to Acquisition	1,282	[4],[6]
Gross Amount at which Carried at Close of Period [Abstract]
Land	550	[4],[6]
Buildings and Improvements	4,971	[4],[6]
Total	5,521	[4],[6]
Accumulated Depreciation	2,065	[4],[6]
Year Acquired	2000	[4],[6]
Year Constructed	2004	[4],[6]
Industrial [Member] | TEXAS [Member] | Houston [Member] | Techway Southwest III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	3,785	[11],[4]
Initial Cost to the Company [Abstract]
Land	597	[11],[4]
Buildings and Improvements	0	[11],[4]
Costs Capitalized Subsequent to Acquisition	5,570	[11],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	751	[11],[4]
Buildings and Improvements	5,416	[11],[4]
Total	6,167	[11],[4]
Accumulated Depreciation	2,241	[11],[4]
Year Acquired	1999	[11],[4]
Year Constructed	2006	[11],[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | Techway Southwest IV [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	4,372	[4],[7]
Initial Cost to the Company [Abstract]
Land	535	[4],[7]
Buildings and Improvements	0	[4],[7]
Costs Capitalized Subsequent to Acquisition	5,670	[4],[7]
Gross Amount at which Carried at Close of Period [Abstract]
Land	674	[4],[7]
Buildings and Improvements	5,531	[4],[7]
Total	6,205	[4],[7]
Accumulated Depreciation	1,532	[4],[7]
Year Acquired	1999	[4],[7]
Year Constructed	2008	[4],[7]
Industrial [Member] | TEXAS [Member] | Houston [Member] | Beltway Crossing I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	458	[4]
Buildings and Improvements	5,712	[4]
Costs Capitalized Subsequent to Acquisition	1,686	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	458	[4]
Buildings and Improvements	7,398	[4]
Total	7,856	[4]
Accumulated Depreciation	3,406	[4]
Year Acquired	2002	[4]
Year Constructed	2001	[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | Beltway Crossing II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	1,973	[11],[4]
Initial Cost to the Company [Abstract]
Land	415	[11],[4]
Buildings and Improvements	0	[11],[4]
Costs Capitalized Subsequent to Acquisition	2,799	[11],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	415	[11],[4]
Buildings and Improvements	2,799	[11],[4]
Total	3,214	[11],[4]
Accumulated Depreciation	1,019	[11],[4]
Year Acquired	2005	[11],[4]
Year Constructed	2007	[11],[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | Beltway Crossing III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	2,181	[11],[4]
Initial Cost to the Company [Abstract]
Land	460	[11],[4]
Buildings and Improvements	0	[11],[4]
Costs Capitalized Subsequent to Acquisition	3,093	[11],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	460	[11],[4]
Buildings and Improvements	3,093	[11],[4]
Total	3,553	[11],[4]
Accumulated Depreciation	1,140	[11],[4]
Year Acquired	2005	[11],[4]
Year Constructed	2008	[11],[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | Beltway Crossing IV [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	2,144	[11],[4]
Initial Cost to the Company [Abstract]
Land	460	[11],[4]
Buildings and Improvements	0	[11],[4]
Costs Capitalized Subsequent to Acquisition	3,034	[11],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	460	[11],[4]
Buildings and Improvements	3,034	[11],[4]
Total	3,494	[11],[4]
Accumulated Depreciation	1,127	[11],[4]
Year Acquired	2005	[11],[4]
Year Constructed	2008	[11],[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | Beltway Crossing V [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	3,835	[4],[7]
Initial Cost to the Company [Abstract]
Land	701	[4],[7]
Buildings and Improvements	0	[4],[7]
Costs Capitalized Subsequent to Acquisition	4,742	[4],[7]
Gross Amount at which Carried at Close of Period [Abstract]
Land	701	[4],[7]
Buildings and Improvements	4,742	[4],[7]
Total	5,443	[4],[7]
Accumulated Depreciation	1,567	[4],[7]
Year Acquired	2005	[4],[7]
Year Constructed	2008	[4],[7]
Industrial [Member] | TEXAS [Member] | Houston [Member] | Beltway Crossing VI [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	4,287	[4],[5]
Initial Cost to the Company [Abstract]
Land	618	[4],[5]
Buildings and Improvements	0	[4],[5]
Costs Capitalized Subsequent to Acquisition	6,017	[4],[5]
Gross Amount at which Carried at Close of Period [Abstract]
Land	618	[4],[5]
Buildings and Improvements	6,017	[4],[5]
Total	6,635	[4],[5]
Accumulated Depreciation	1,311	[4],[5]
Year Acquired	2005	[4],[5]
Year Constructed	2008	[4],[5]
Industrial [Member] | TEXAS [Member] | Houston [Member] | Beltway Crossing VII [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	4,279	[4],[5]
Initial Cost to the Company [Abstract]
Land	765	[4],[5]
Buildings and Improvements	0	[4],[5]
Costs Capitalized Subsequent to Acquisition	5,859	[4],[5]
Gross Amount at which Carried at Close of Period [Abstract]
Land	765	[4],[5]
Buildings and Improvements	5,859	[4],[5]
Total	6,624	[4],[5]
Accumulated Depreciation	1,649	[4],[5]
Year Acquired	2005	[4],[5]
Year Constructed	2009	[4],[5]
Industrial [Member] | TEXAS [Member] | Houston [Member] | Beltway Crossing VIII [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	721	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	4,576	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	721	[4]
Buildings and Improvements	4,576	[4]
Total	5,297	[4]
Accumulated Depreciation	703	[4]
Year Acquired	2005	[4]
Year Constructed	2011	[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | Beltway Crossing IX [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	418	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	2,113	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	418	[4]
Buildings and Improvements	2,113	[4]
Total	2,531	[4]
Accumulated Depreciation	193	[4]
Year Acquired	2007	[4]
Year Constructed	2012	[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | World Houston Intl Business Ctr 31B [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	546	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	3,344	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	546	[4]
Buildings and Improvements	3,344	[4]
Total	3,890	[4]
Accumulated Depreciation	310	[4]
Year Acquired	2008	[4]
Year Constructed	2012	[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | World Houston 33 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	1,166	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	7,860	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,166	[4]
Buildings and Improvements	7,860	[4]
Total	9,026	[4]
Accumulated Depreciation	543	[4]
Year Acquired	2011	[4]
Year Constructed	2013	[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | World Houston 34 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	439	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	3,338	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	439	[4]
Buildings and Improvements	3,338	[4]
Total	3,777	[4]
Accumulated Depreciation	219	[4]
Year Acquired	2005	[4]
Year Constructed	2012	[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | World Houston 35 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	340	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	2,475	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	340	[4]
Buildings and Improvements	2,475	[4]
Total	2,815	[4]
Accumulated Depreciation	131	[4]
Year Acquired	2005	[4]
Year Constructed	2012	[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | World Houston 36 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	685	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	4,851	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	685	[4]
Buildings and Improvements	4,851	[4]
Total	5,536	[4]
Accumulated Depreciation	274	[4]
Year Acquired	2011	[4]
Year Constructed	2013	[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | World Houston 37 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	759	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	6,051	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	759	[4]
Buildings and Improvements	6,051	[4]
Total	6,810	[4]
Accumulated Depreciation	188	[4]
Year Acquired	2011	[4]
Year Constructed	2013	[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | World Houston 38 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	1,053	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	7,246	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,053	[4]
Buildings and Improvements	7,246	[4]
Total	8,299	[4]
Accumulated Depreciation	383	[4]
Year Acquired	2011	[4]
Year Constructed	2013	[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | World Houston 40 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	1,072	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	9,213	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,072	[4]
Buildings and Improvements	9,213	[4]
Total	10,285	[4]
Accumulated Depreciation	83	[4]
Year Acquired	2011	[4]
Year Constructed	2014	[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | Ten West Crossing 4 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	694	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	4,390	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	699	[4]
Buildings and Improvements	4,385	[4]
Total	5,084	[4]
Accumulated Depreciation	111	[4]
Year Acquired	2012	[4]
Year Constructed	2014	[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | Ten West Crossing 5 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	933	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	5,829	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	940	[4]
Buildings and Improvements	5,822	[4]
Total	6,762	[4]
Accumulated Depreciation	73	[4]
Year Acquired	2012	[4]
Year Constructed	2014	[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | West Road II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	981	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	5,217	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	981	[4]
Buildings and Improvements	5,217	[4]
Total	6,198	[4]
Accumulated Depreciation	46	[4]
Year Acquired	2012	[4]
Year Constructed	2014	[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | Beltway Crossing X [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	733	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	3,871	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	733	[4]
Buildings and Improvements	3,871	[4]
Total	4,604	[4]
Accumulated Depreciation	329	[4]
Year Acquired	2007	[4]
Year Constructed	2012	[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | Beltway Crossing XI [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	690	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	4,101	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	690	[4]
Buildings and Improvements	4,101	[4]
Total	4,791	[4]
Accumulated Depreciation	208	[4]
Year Acquired	2007	[4]
Year Constructed	2013	[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | Ten West Crossing 1 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	566	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	2,980	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	566	[4]
Buildings and Improvements	2,980	[4]
Total	3,546	[4]
Accumulated Depreciation	197	[4]
Year Acquired	2012	[4]
Year Constructed	2013	[4]
Industrial [Member] | TEXAS [Member] | Houston [Member] | Ten West Crossing 2 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	829	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	4,384	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	833	[4]
Buildings and Improvements	4,380	[4]
Total	5,213	[4]
Accumulated Depreciation	191	[4]
Year Acquired	2012	[4]
Year Constructed	2013	[4]
Industrial [Member] | TEXAS [Member] | El Paso [Member] | Butterfield Trail [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	0	[4]
Buildings and Improvements	20,725	[4]
Costs Capitalized Subsequent to Acquisition	7,629	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	0	[4]
Buildings and Improvements	28,354	[4]
Total	28,354	[4]
Accumulated Depreciation	15,891	[4]
Year Acquired	1997/2000	[4]
Year Constructed	1987/95	[4]
Industrial [Member] | TEXAS [Member] | El Paso [Member] | Rojas Commerce Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	4,956	[12],[4]
Initial Cost to the Company [Abstract]
Land	900	[12],[4]
Buildings and Improvements	3,659	[12],[4]
Costs Capitalized Subsequent to Acquisition	2,925	[12],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	900	[12],[4]
Buildings and Improvements	6,584	[12],[4]
Total	7,484	[12],[4]
Accumulated Depreciation	4,544	[12],[4]
Year Acquired	1999	[12],[4]
Year Constructed	1986	[12],[4]
Industrial [Member] | TEXAS [Member] | El Paso [Member] | Americas Ten Business Center I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	526	[4]
Buildings and Improvements	2,778	[4]
Costs Capitalized Subsequent to Acquisition	1,159	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	526	[4]
Buildings and Improvements	3,937	[4]
Total	4,463	[4]
Accumulated Depreciation	2,034	[4]
Year Acquired	2001	[4]
Year Constructed	2003	[4]
Industrial [Member] | TEXAS [Member] | San Antonio [Member] | Alamo Downs Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	5,495	[13],[4]
Initial Cost to the Company [Abstract]
Land	1,342	[13],[4]
Buildings and Improvements	6,338	[13],[4]
Costs Capitalized Subsequent to Acquisition	1,197	[13],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,342	[13],[4]
Buildings and Improvements	7,535	[13],[4]
Total	8,877	[13],[4]
Accumulated Depreciation	3,745	[13],[4]
Year Acquired	2004	[13],[4]
Year Constructed	1986/2002	[13],[4]
Industrial [Member] | TEXAS [Member] | San Antonio [Member] | Arion Business Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	25,391	[13],[4]
Initial Cost to the Company [Abstract]
Land	4,143	[13],[4]
Buildings and Improvements	31,432	[13],[4]
Costs Capitalized Subsequent to Acquisition	5,445	[13],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	4,143	[13],[4]
Buildings and Improvements	36,877	[13],[4]
Total	41,020	[13],[4]
Accumulated Depreciation	14,727	[13],[4]
Year Acquired	2005	[13],[4]
Year Constructed	1988-2000/06	[13],[4]
Industrial [Member] | TEXAS [Member] | San Antonio [Member] | Arion 14 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	2,364	[13],[4]
Initial Cost to the Company [Abstract]
Land	423	[13],[4]
Buildings and Improvements	0	[13],[4]
Costs Capitalized Subsequent to Acquisition	3,397	[13],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	423	[13],[4]
Buildings and Improvements	3,397	[13],[4]
Total	3,820	[13],[4]
Accumulated Depreciation	1,133	[13],[4]
Year Acquired	2005	[13],[4]
Year Constructed	2006	[13],[4]
Industrial [Member] | TEXAS [Member] | San Antonio [Member] | Arion 16 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	2,594	[10],[4]
Initial Cost to the Company [Abstract]
Land	427	[10],[4]
Buildings and Improvements	0	[10],[4]
Costs Capitalized Subsequent to Acquisition	3,493	[10],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	427	[10],[4]
Buildings and Improvements	3,493	[10],[4]
Total	3,920	[10],[4]
Accumulated Depreciation	944	[10],[4]
Year Acquired	2005	[10],[4]
Year Constructed	2007	[10],[4]
Industrial [Member] | TEXAS [Member] | San Antonio [Member] | Arion 17 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	2,835	[13],[4]
Initial Cost to the Company [Abstract]
Land	616	[13],[4]
Buildings and Improvements	0	[13],[4]
Costs Capitalized Subsequent to Acquisition	3,964	[13],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	616	[13],[4]
Buildings and Improvements	3,964	[13],[4]
Total	4,580	[13],[4]
Accumulated Depreciation	1,774	[13],[4]
Year Acquired	2005	[13],[4]
Year Constructed	2007	[13],[4]
Industrial [Member] | TEXAS [Member] | San Antonio [Member] | Arion 18 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	1,771	[4],[5]
Initial Cost to the Company [Abstract]
Land	418	[4],[5]
Buildings and Improvements	0	[4],[5]
Costs Capitalized Subsequent to Acquisition	2,324	[4],[5]
Gross Amount at which Carried at Close of Period [Abstract]
Land	418	[4],[5]
Buildings and Improvements	2,324	[4],[5]
Total	2,742	[4],[5]
Accumulated Depreciation	886	[4],[5]
Year Acquired	2005	[4],[5]
Year Constructed	2008	[4],[5]
Industrial [Member] | TEXAS [Member] | San Antonio [Member] | Wetmore Business Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	9,288	[11],[4]
Initial Cost to the Company [Abstract]
Land	1,494	[11],[4]
Buildings and Improvements	10,804	[11],[4]
Costs Capitalized Subsequent to Acquisition	2,835	[11],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,494	[11],[4]
Buildings and Improvements	13,639	[11],[4]
Total	15,133	[11],[4]
Accumulated Depreciation	5,877	[11],[4]
Year Acquired	2005	[11],[4]
Year Constructed	1998/99	[11],[4]
Industrial [Member] | TEXAS [Member] | San Antonio [Member] | Wetmore Phase II, Building A [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	2,671	[4],[7]
Initial Cost to the Company [Abstract]
Land	412	[4],[7]
Buildings and Improvements	0	[4],[7]
Costs Capitalized Subsequent to Acquisition	3,379	[4],[7]
Gross Amount at which Carried at Close of Period [Abstract]
Land	412	[4],[7]
Buildings and Improvements	3,379	[4],[7]
Total	3,791	[4],[7]
Accumulated Depreciation	1,267	[4],[7]
Year Acquired	2006	[4],[7]
Year Constructed	2008	[4],[7]
Industrial [Member] | TEXAS [Member] | San Antonio [Member] | Wetmore Phase II, Building B [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	2,874	[4],[7]
Initial Cost to the Company [Abstract]
Land	505	[4],[7]
Buildings and Improvements	0	[4],[7]
Costs Capitalized Subsequent to Acquisition	3,574	[4],[7]
Gross Amount at which Carried at Close of Period [Abstract]
Land	505	[4],[7]
Buildings and Improvements	3,574	[4],[7]
Total	4,079	[4],[7]
Accumulated Depreciation	1,126	[4],[7]
Year Acquired	2006	[4],[7]
Year Constructed	2008	[4],[7]
Industrial [Member] | TEXAS [Member] | San Antonio [Member] | Wetmore Phase II, Building C [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	3,089	[4],[7]
Initial Cost to the Company [Abstract]
Land	546	[4],[7]
Buildings and Improvements	0	[4],[7]
Costs Capitalized Subsequent to Acquisition	3,838	[4],[7]
Gross Amount at which Carried at Close of Period [Abstract]
Land	546	[4],[7]
Buildings and Improvements	3,838	[4],[7]
Total	4,384	[4],[7]
Accumulated Depreciation	621	[4],[7]
Year Acquired	2006	[4],[7]
Year Constructed	2008	[4],[7]
Industrial [Member] | TEXAS [Member] | San Antonio [Member] | Wetmore Phase II, Building D [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	6,045	[4],[7]
Initial Cost to the Company [Abstract]
Land	1,056	[4],[7]
Buildings and Improvements	0	[4],[7]
Costs Capitalized Subsequent to Acquisition	7,524	[4],[7]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,056	[4],[7]
Buildings and Improvements	7,524	[4],[7]
Total	8,580	[4],[7]
Accumulated Depreciation	1,767	[4],[7]
Year Acquired	2006	[4],[7]
Year Constructed	2008	[4],[7]
Industrial [Member] | TEXAS [Member] | San Antonio [Member] | Fairgrounds Business Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	7,273	[11],[4]
Initial Cost to the Company [Abstract]
Land	1,644	[11],[4]
Buildings and Improvements	8,209	[11],[4]
Costs Capitalized Subsequent to Acquisition	1,997	[11],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,644	[11],[4]
Buildings and Improvements	10,206	[11],[4]
Total	11,850	[11],[4]
Accumulated Depreciation	3,996	[11],[4]
Year Acquired	2007	[11],[4]
Year Constructed	1985/86	[11],[4]
Industrial [Member] | TEXAS [Member] | San Antonio [Member] | Rittiman Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	1,083	[4]
Buildings and Improvements	6,649	[4]
Costs Capitalized Subsequent to Acquisition	275	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,083	[4]
Buildings and Improvements	6,924	[4]
Total	8,007	[4]
Accumulated Depreciation	722	[4]
Year Acquired	2011	[4]
Year Constructed	2000	[4]
Industrial [Member] | TEXAS [Member] | San Antonio [Member] | Thousand Oaks I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	607	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	4,286	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	607	[4]
Buildings and Improvements	4,286	[4]
Total	4,893	[4]
Accumulated Depreciation	398	[4]
Year Acquired	2008	[4]
Year Constructed	2012	[4]
Industrial [Member] | TEXAS [Member] | San Antonio [Member] | Thousand Oaks 2 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	794	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	4,719	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	794	[4]
Buildings and Improvements	4,719	[4]
Total	5,513	[4]
Accumulated Depreciation	405	[4]
Year Acquired	2008	[4]
Year Constructed	2012	[4]
Industrial [Member] | TEXAS [Member] | San Antonio [Member] | Thousand Oaks 3 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	772	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	4,457	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	772	[4]
Buildings and Improvements	4,457	[4]
Total	5,229	[4]
Accumulated Depreciation	149	[4]
Year Acquired	2008	[4]
Year Constructed	2013	[4]
Industrial [Member] | TEXAS [Member] | Austin [Member] | Colorado Crossing Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	4,602	[4]
Buildings and Improvements	19,757	[4]
Costs Capitalized Subsequent to Acquisition	61	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	4,602	[4]
Buildings and Improvements	19,818	[4]
Total	24,420	[4]
Accumulated Depreciation	625	[4]
Year Acquired	2014	[4]
Year Constructed	2009	[4]
Industrial [Member] | ARIZONA [Member] | Phoenix Area [Member] | Broadway Industrial Park I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	837	[4]
Buildings and Improvements	3,349	[4]
Costs Capitalized Subsequent to Acquisition	895	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	837	[4]
Buildings and Improvements	4,244	[4]
Total	5,081	[4]
Accumulated Depreciation	2,395	[4]
Year Acquired	1996	[4]
Year Constructed	1971	[4]
Industrial [Member] | ARIZONA [Member] | Phoenix Area [Member] | Broadway Industrial Park II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	455	[4]
Buildings and Improvements	482	[4]
Costs Capitalized Subsequent to Acquisition	161	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	455	[4]
Buildings and Improvements	643	[4]
Total	1,098	[4]
Accumulated Depreciation	395	[4]
Year Acquired	1999	[4]
Year Constructed	1971	[4]
Industrial [Member] | ARIZONA [Member] | Phoenix Area [Member] | Broadway Industrial Park III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	775	[4]
Buildings and Improvements	1,742	[4]
Costs Capitalized Subsequent to Acquisition	531	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	775	[4]
Buildings and Improvements	2,273	[4]
Total	3,048	[4]
Accumulated Depreciation	1,189	[4]
Year Acquired	2000	[4]
Year Constructed	1983	[4]
Industrial [Member] | ARIZONA [Member] | Phoenix Area [Member] | Broadway Industrial Park IV [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	380	[4]
Buildings and Improvements	1,652	[4]
Costs Capitalized Subsequent to Acquisition	783	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	380	[4]
Buildings and Improvements	2,435	[4]
Total	2,815	[4]
Accumulated Depreciation	1,310	[4]
Year Acquired	2000	[4]
Year Constructed	1986	[4]
Industrial [Member] | ARIZONA [Member] | Phoenix Area [Member] | Broadway Industrial Park V [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	353	[4]
Buildings and Improvements	1,090	[4]
Costs Capitalized Subsequent to Acquisition	120	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	353	[4]
Buildings and Improvements	1,210	[4]
Total	1,563	[4]
Accumulated Depreciation	607	[4]
Year Acquired	2002	[4]
Year Constructed	1980	[4]
Industrial [Member] | ARIZONA [Member] | Phoenix Area [Member] | Broadway Industrial Park VI [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	2,044	[10],[4]
Initial Cost to the Company [Abstract]
Land	599	[10],[4]
Buildings and Improvements	1,855	[10],[4]
Costs Capitalized Subsequent to Acquisition	636	[10],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	599	[10],[4]
Buildings and Improvements	2,491	[10],[4]
Total	3,090	[10],[4]
Accumulated Depreciation	1,289	[10],[4]
Year Acquired	2002	[10],[4]
Year Constructed	1979	[10],[4]
Industrial [Member] | ARIZONA [Member] | Phoenix Area [Member] | Broadway Industrial Park VII [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	450	[4]
Buildings and Improvements	650	[4]
Costs Capitalized Subsequent to Acquisition	120	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	450	[4]
Buildings and Improvements	770	[4]
Total	1,220	[4]
Accumulated Depreciation	96	[4]
Year Acquired	2011	[4]
Year Constructed	1999	[4]
Industrial [Member] | ARIZONA [Member] | Phoenix Area [Member] | Kyrene Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	1,490	[4]
Buildings and Improvements	4,453	[4]
Costs Capitalized Subsequent to Acquisition	1,387	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,490	[4]
Buildings and Improvements	5,840	[4]
Total	7,330	[4]
Accumulated Depreciation	3,344	[4]
Year Acquired	1999	[4]
Year Constructed	1981/2001	[4]
Industrial [Member] | ARIZONA [Member] | Phoenix Area [Member] | Southpark Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	918	[4]
Buildings and Improvements	2,738	[4]
Costs Capitalized Subsequent to Acquisition	621	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	918	[4]
Buildings and Improvements	3,359	[4]
Total	4,277	[4]
Accumulated Depreciation	1,395	[4]
Year Acquired	2001	[4]
Year Constructed	2000	[4]
Industrial [Member] | ARIZONA [Member] | Phoenix Area [Member] | Santan 10 Distribution Center I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	2,336	[13],[4]
Initial Cost to the Company [Abstract]
Land	846	[13],[4]
Buildings and Improvements	2,647	[13],[4]
Costs Capitalized Subsequent to Acquisition	282	[13],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	846	[13],[4]
Buildings and Improvements	2,929	[13],[4]
Total	3,775	[13],[4]
Accumulated Depreciation	1,239	[13],[4]
Year Acquired	2001	[13],[4]
Year Constructed	2005	[13],[4]
Industrial [Member] | ARIZONA [Member] | Phoenix Area [Member] | Santan 10 Distribution Center II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	4,106	[10],[4]
Initial Cost to the Company [Abstract]
Land	1,088	[10],[4]
Buildings and Improvements	0	[10],[4]
Costs Capitalized Subsequent to Acquisition	5,119	[10],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,088	[10],[4]
Buildings and Improvements	5,119	[10],[4]
Total	6,207	[10],[4]
Accumulated Depreciation	1,813	[10],[4]
Year Acquired	2004	[10],[4]
Year Constructed	2007	[10],[4]
Industrial [Member] | ARIZONA [Member] | Phoenix Area [Member] | Metro Business Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	1,927	[4]
Buildings and Improvements	7,708	[4]
Costs Capitalized Subsequent to Acquisition	6,085	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,927	[4]
Buildings and Improvements	13,793	[4]
Total	15,720	[4]
Accumulated Depreciation	8,645	[4]
Year Acquired	1996	[4]
Year Constructed	1977/79	[4]
Industrial [Member] | ARIZONA [Member] | Phoenix Area [Member] | 35th Avenue Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	418	[4]
Buildings and Improvements	2,381	[4]
Costs Capitalized Subsequent to Acquisition	412	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	418	[4]
Buildings and Improvements	2,793	[4]
Total	3,211	[4]
Accumulated Depreciation	1,360	[4]
Year Acquired	1997	[4]
Year Constructed	1967	[4]
Industrial [Member] | ARIZONA [Member] | Phoenix Area [Member] | 51st Avenue Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	300	[4]
Buildings and Improvements	2,029	[4]
Costs Capitalized Subsequent to Acquisition	805	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	300	[4]
Buildings and Improvements	2,834	[4]
Total	3,134	[4]
Accumulated Depreciation	1,684	[4]
Year Acquired	1998	[4]
Year Constructed	1987	[4]
Industrial [Member] | ARIZONA [Member] | Phoenix Area [Member] | East University Distribution Center I and II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	4,600	[10],[4]
Initial Cost to the Company [Abstract]
Land	1,120	[10],[4]
Buildings and Improvements	4,482	[10],[4]
Costs Capitalized Subsequent to Acquisition	1,350	[10],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,120	[10],[4]
Buildings and Improvements	5,832	[10],[4]
Total	6,952	[10],[4]
Accumulated Depreciation	3,229	[10],[4]
Year Acquired	1998	[10],[4]
Year Constructed	1987/89	[10],[4]
Industrial [Member] | ARIZONA [Member] | Phoenix Area [Member] | East University Distribution Center III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	444	[4]
Buildings and Improvements	698	[4]
Costs Capitalized Subsequent to Acquisition	99	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	444	[4]
Buildings and Improvements	797	[4]
Total	1,241	[4]
Accumulated Depreciation	156	[4]
Year Acquired	2010	[4]
Year Constructed	1981	[4]
Industrial [Member] | ARIZONA [Member] | Phoenix Area [Member] | 55th Avenue Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	3,671	[10],[4]
Initial Cost to the Company [Abstract]
Land	912	[10],[4]
Buildings and Improvements	3,717	[10],[4]
Costs Capitalized Subsequent to Acquisition	919	[10],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	917	[10],[4]
Buildings and Improvements	4,631	[10],[4]
Total	5,548	[10],[4]
Accumulated Depreciation	2,652	[10],[4]
Year Acquired	1998	[10],[4]
Year Constructed	1987	[10],[4]
Industrial [Member] | ARIZONA [Member] | Phoenix Area [Member] | Interstate Commons Dist Ctr I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	798	[4]
Buildings and Improvements	3,632	[4]
Costs Capitalized Subsequent to Acquisition	1,663	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	798	[4]
Buildings and Improvements	5,295	[4]
Total	6,093	[4]
Accumulated Depreciation	2,619	[4]
Year Acquired	1999	[4]
Year Constructed	1988	[4]
Industrial [Member] | ARIZONA [Member] | Phoenix Area [Member] | Interstate Commons Dist Ctr II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	320	[4]
Buildings and Improvements	2,448	[4]
Costs Capitalized Subsequent to Acquisition	421	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	320	[4]
Buildings and Improvements	2,869	[4]
Total	3,189	[4]
Accumulated Depreciation	1,292	[4]
Year Acquired	1999	[4]
Year Constructed	2000	[4]
Industrial [Member] | ARIZONA [Member] | Phoenix Area [Member] | Interstate Commons Dist Ctr III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	242	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	2,977	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	242	[4]
Buildings and Improvements	2,977	[4]
Total	3,219	[4]
Accumulated Depreciation	779	[4]
Year Acquired	2000	[4]
Year Constructed	2008	[4]
Industrial [Member] | ARIZONA [Member] | Phoenix Area [Member] | Airport Commons [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	1,000	[4]
Buildings and Improvements	1,510	[4]
Costs Capitalized Subsequent to Acquisition	1,240	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,000	[4]
Buildings and Improvements	2,750	[4]
Total	3,750	[4]
Accumulated Depreciation	1,309	[4]
Year Acquired	2003	[4]
Year Constructed	1971	[4]
Industrial [Member] | ARIZONA [Member] | Phoenix Area [Member] | 40th Avenue Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	4,742	[4],[7]
Initial Cost to the Company [Abstract]
Land	703	[4],[7]
Buildings and Improvements	0	[4],[7]
Costs Capitalized Subsequent to Acquisition	6,028	[4],[7]
Gross Amount at which Carried at Close of Period [Abstract]
Land	703	[4],[7]
Buildings and Improvements	6,028	[4],[7]
Total	6,731	[4],[7]
Accumulated Depreciation	1,470	[4],[7]
Year Acquired	2004	[4],[7]
Year Constructed	2008	[4],[7]
Industrial [Member] | ARIZONA [Member] | Phoenix Area [Member] | Sky Harbor Business Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	5,839	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	21,205	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	5,839	[4]
Buildings and Improvements	21,205	[4]
Total	27,044	[4]
Accumulated Depreciation	4,974	[4]
Year Acquired	2006	[4]
Year Constructed	2008	[4]
Industrial [Member] | ARIZONA [Member] | Phoenix Area [Member] | Chandler Freeways [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	1,525	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	7,381	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,525	[4]
Buildings and Improvements	7,381	[4]
Total	8,906	[4]
Accumulated Depreciation	212	[4]
Year Acquired	2012	[4]
Year Constructed	2013	[4]
Industrial [Member] | ARIZONA [Member] | Tucson [Member] | Country Club I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	4,420	[4],[6]
Initial Cost to the Company [Abstract]
Land	506	[4],[6]
Buildings and Improvements	3,564	[4],[6]
Costs Capitalized Subsequent to Acquisition	2,173	[4],[6]
Gross Amount at which Carried at Close of Period [Abstract]
Land	693	[4],[6]
Buildings and Improvements	5,550	[4],[6]
Total	6,243	[4],[6]
Accumulated Depreciation	2,177	[4],[6]
Year Acquired	1997/2003	[4],[6]
Year Constructed	1994/2003	[4],[6]
Industrial [Member] | ARIZONA [Member] | Tucson [Member] | Country Club II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	442	[4]
Buildings and Improvements	3,381	[4]
Costs Capitalized Subsequent to Acquisition	37	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	442	[4]
Buildings and Improvements	3,418	[4]
Total	3,860	[4]
Accumulated Depreciation	978	[4]
Year Acquired	2007	[4]
Year Constructed	2000	[4]
Industrial [Member] | ARIZONA [Member] | Tucson [Member] | Country Club III and IV [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	1,407	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	11,771	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,575	[4]
Buildings and Improvements	11,603	[4]
Total	13,178	[4]
Accumulated Depreciation	2,864	[4]
Year Acquired	2007	[4]
Year Constructed	2009	[4]
Industrial [Member] | ARIZONA [Member] | Tucson [Member] | Airport Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	1,103	[4]
Buildings and Improvements	4,672	[4]
Costs Capitalized Subsequent to Acquisition	1,549	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,103	[4]
Buildings and Improvements	6,221	[4]
Total	7,324	[4]
Accumulated Depreciation	3,395	[4]
Year Acquired	1998	[4]
Year Constructed	1995	[4]
Industrial [Member] | ARIZONA [Member] | Tucson [Member] | Southpointe Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	0	[4]
Buildings and Improvements	3,982	[4]
Costs Capitalized Subsequent to Acquisition	2,950	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	0	[4]
Buildings and Improvements	6,932	[4]
Total	6,932	[4]
Accumulated Depreciation	3,752	[4]
Year Acquired	1999	[4]
Year Constructed	1989	[4]
Industrial [Member] | ARIZONA [Member] | Tucson [Member] | Benan Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	707	[4]
Buildings and Improvements	1,842	[4]
Costs Capitalized Subsequent to Acquisition	626	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	707	[4]
Buildings and Improvements	2,468	[4]
Total	3,175	[4]
Accumulated Depreciation	1,212	[4]
Year Acquired	2005	[4]
Year Constructed	2001	[4]
Industrial [Member] | NORTH CAROLINA [Member] | Charlotte [Member] | NorthPark Business Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	14,731	[10],[4]
Initial Cost to the Company [Abstract]
Land	2,758	[10],[4]
Buildings and Improvements	15,932	[10],[4]
Costs Capitalized Subsequent to Acquisition	3,578	[10],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	2,758	[10],[4]
Buildings and Improvements	19,510	[10],[4]
Total	22,268	[10],[4]
Accumulated Depreciation	7,072	[10],[4]
Year Acquired	2006	[10],[4]
Year Constructed	1987-89	[10],[4]
Industrial [Member] | NORTH CAROLINA [Member] | Charlotte [Member] | Lindbergh Business Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	470	[4]
Buildings and Improvements	3,401	[4]
Costs Capitalized Subsequent to Acquisition	332	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	470	[4]
Buildings and Improvements	3,733	[4]
Total	4,203	[4]
Accumulated Depreciation	1,261	[4]
Year Acquired	2007	[4]
Year Constructed	2001/03	[4]
Industrial [Member] | NORTH CAROLINA [Member] | Charlotte [Member] | Commerce Park I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	3,522	[11],[4]
Initial Cost to the Company [Abstract]
Land	765	[11],[4]
Buildings and Improvements	4,303	[11],[4]
Costs Capitalized Subsequent to Acquisition	671	[11],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	765	[11],[4]
Buildings and Improvements	4,974	[11],[4]
Total	5,739	[11],[4]
Accumulated Depreciation	1,541	[11],[4]
Year Acquired	2007	[11],[4]
Year Constructed	1983	[11],[4]
Industrial [Member] | NORTH CAROLINA [Member] | Charlotte [Member] | Commerce Park II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	1,424	[4],[5]
Initial Cost to the Company [Abstract]
Land	335	[4],[5]
Buildings and Improvements	1,603	[4],[5]
Costs Capitalized Subsequent to Acquisition	266	[4],[5]
Gross Amount at which Carried at Close of Period [Abstract]
Land	335	[4],[5]
Buildings and Improvements	1,869	[4],[5]
Total	2,204	[4],[5]
Accumulated Depreciation	396	[4],[5]
Year Acquired	2010	[4],[5]
Year Constructed	1987	[4],[5]
Industrial [Member] | NORTH CAROLINA [Member] | Charlotte [Member] | Commerce Park III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	2,344	[4],[5]
Initial Cost to the Company [Abstract]
Land	558	[4],[5]
Buildings and Improvements	2,225	[4],[5]
Costs Capitalized Subsequent to Acquisition	845	[4],[5]
Gross Amount at which Carried at Close of Period [Abstract]
Land	558	[4],[5]
Buildings and Improvements	3,070	[4],[5]
Total	3,628	[4],[5]
Accumulated Depreciation	593	[4],[5]
Year Acquired	2010	[4],[5]
Year Constructed	1981	[4],[5]
Industrial [Member] | NORTH CAROLINA [Member] | Charlotte [Member] | Nations Ford Business Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	13,944	[11],[4]
Initial Cost to the Company [Abstract]
Land	3,924	[11],[4]
Buildings and Improvements	16,171	[11],[4]
Costs Capitalized Subsequent to Acquisition	2,627	[11],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	3,924	[11],[4]
Buildings and Improvements	18,798	[11],[4]
Total	22,722	[11],[4]
Accumulated Depreciation	6,962	[11],[4]
Year Acquired	2007	[11],[4]
Year Constructed	1989/94	[11],[4]
Industrial [Member] | NORTH CAROLINA [Member] | Charlotte [Member] | Airport Commerce Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	1,454	[4]
Buildings and Improvements	10,136	[4]
Costs Capitalized Subsequent to Acquisition	1,248	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,454	[4]
Buildings and Improvements	11,384	[4]
Total	12,838	[4]
Accumulated Depreciation	2,948	[4]
Year Acquired	2008	[4]
Year Constructed	2001/02	[4]
Industrial [Member] | NORTH CAROLINA [Member] | Charlotte [Member] | Interchange Park I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	986	[4]
Buildings and Improvements	7,949	[4]
Costs Capitalized Subsequent to Acquisition	472	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	986	[4]
Buildings and Improvements	8,421	[4]
Total	9,407	[4]
Accumulated Depreciation	1,988	[4]
Year Acquired	2008	[4]
Year Constructed	1989	[4]
Industrial [Member] | NORTH CAROLINA [Member] | Charlotte [Member] | Interchange Park II Acquisition [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	746	[4]
Buildings and Improvements	1,456	[4]
Costs Capitalized Subsequent to Acquisition	55	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	746	[4]
Buildings and Improvements	1,511	[4]
Total	2,257	[4]
Accumulated Depreciation	70	[4]
Year Acquired	2013	[4]
Year Constructed	2000	[4]
Industrial [Member] | NORTH CAROLINA [Member] | Charlotte [Member] | Ridge Creek Distribution Center I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	1,284	[4]
Buildings and Improvements	13,163	[4]
Costs Capitalized Subsequent to Acquisition	779	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,284	[4]
Buildings and Improvements	13,942	[4]
Total	15,226	[4]
Accumulated Depreciation	2,933	[4]
Year Acquired	2008	[4]
Year Constructed	2006	[4]
Industrial [Member] | NORTH CAROLINA [Member] | Charlotte [Member] | Ridge Creek Distribution Center II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	10,753	[4],[5]
Initial Cost to the Company [Abstract]
Land	3,033	[4],[5]
Buildings and Improvements	11,497	[4],[5]
Costs Capitalized Subsequent to Acquisition	2,115	[4],[5]
Gross Amount at which Carried at Close of Period [Abstract]
Land	3,033	[4],[5]
Buildings and Improvements	13,612	[4],[5]
Total	16,645	[4],[5]
Accumulated Depreciation	1,183	[4],[5]
Year Acquired	2011	[4],[5]
Year Constructed	2003	[4],[5]
Industrial [Member] | NORTH CAROLINA [Member] | Charlotte [Member] | Ridge Creek Distribution Center III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	2,459	[4]
Buildings and Improvements	11,147	[4]
Costs Capitalized Subsequent to Acquisition	380	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	2,459	[4]
Buildings and Improvements	11,527	[4]
Total	13,986	[4]
Accumulated Depreciation	265	[4]
Year Acquired	2014	[4]
Year Constructed	2013	[4]
Industrial [Member] | NORTH CAROLINA [Member] | Charlotte [Member] | Waterford Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	654	[4]
Buildings and Improvements	3,392	[4]
Costs Capitalized Subsequent to Acquisition	470	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	654	[4]
Buildings and Improvements	3,862	[4]
Total	4,516	[4]
Accumulated Depreciation	751	[4]
Year Acquired	2008	[4]
Year Constructed	2000	[4]
Industrial [Member] | NORTH CAROLINA [Member] | Charlotte [Member] | Lakeview Business [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	4,391	[4],[5]
Initial Cost to the Company [Abstract]
Land	1,392	[4],[5]
Buildings and Improvements	5,068	[4],[5]
Costs Capitalized Subsequent to Acquisition	336	[4],[5]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,392	[4],[5]
Buildings and Improvements	5,404	[4],[5]
Total	6,796	[4],[5]
Accumulated Depreciation	739	[4],[5]
Year Acquired	2011	[4],[5]
Year Constructed	1996	[4],[5]
Industrial [Member] | NORTH CAROLINA [Member] | Charlotte [Member] | Steele Creek I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	993	[4]
Buildings and Improvements	0	[4]
Costs Capitalized Subsequent to Acquisition	4,301	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,010	[4]
Buildings and Improvements	4,284	[4]
Total	5,294	[4]
Accumulated Depreciation	174	[4]
Year Acquired	2013	[4]
Year Constructed	2014	[4]
Industrial [Member] | LOUISIANA | New Orleans [Member] | Elmwood Business Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	2,861	[4]
Buildings and Improvements	6,337	[4]
Costs Capitalized Subsequent to Acquisition	4,085	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	2,861	[4]
Buildings and Improvements	10,422	[4]
Total	13,283	[4]
Accumulated Depreciation	6,802	[4]
Year Acquired	1997	[4]
Year Constructed	1979	[4]
Industrial [Member] | LOUISIANA | New Orleans [Member] | Riverbend Business Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	2,592	[4]
Buildings and Improvements	17,623	[4]
Costs Capitalized Subsequent to Acquisition	5,669	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	2,592	[4]
Buildings and Improvements	23,292	[4]
Total	25,884	[4]
Accumulated Depreciation	11,855	[4]
Year Acquired	1997	[4]
Year Constructed	1984	[4]
Industrial [Member] | COLORADO [Member] | Denver [Member] | Rampart Distribution Center I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	3,913	[13],[4]
Initial Cost to the Company [Abstract]
Land	1,023	[13],[4]
Buildings and Improvements	3,861	[13],[4]
Costs Capitalized Subsequent to Acquisition	1,438	[13],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,023	[13],[4]
Buildings and Improvements	5,299	[13],[4]
Total	6,322	[13],[4]
Accumulated Depreciation	3,717	[13],[4]
Year Acquired	1988	[13],[4]
Year Constructed	1987	[13],[4]
Industrial [Member] | COLORADO [Member] | Denver [Member] | Rampart Distribution Center II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	2,704	[13],[4]
Initial Cost to the Company [Abstract]
Land	230	[13],[4]
Buildings and Improvements	2,977	[13],[4]
Costs Capitalized Subsequent to Acquisition	1,162	[13],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	230	[13],[4]
Buildings and Improvements	4,139	[13],[4]
Total	4,369	[13],[4]
Accumulated Depreciation	2,524	[13],[4]
Year Acquired	1996/97	[13],[4]
Year Constructed	1996/97	[13],[4]
Industrial [Member] | COLORADO [Member] | Denver [Member] | Rampart Distribution Center III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	3,948	[13],[4]
Initial Cost to the Company [Abstract]
Land	1,098	[13],[4]
Buildings and Improvements	3,884	[13],[4]
Costs Capitalized Subsequent to Acquisition	1,396	[13],[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,098	[13],[4]
Buildings and Improvements	5,280	[13],[4]
Total	6,378	[13],[4]
Accumulated Depreciation	2,581	[13],[4]
Year Acquired	1997/98	[13],[4]
Year Constructed	1999	[13],[4]
Industrial [Member] | COLORADO [Member] | Denver [Member] | Concord Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	4,030	[4],[5]
Initial Cost to the Company [Abstract]
Land	1,051	[4],[5]
Buildings and Improvements	4,773	[4],[5]
Costs Capitalized Subsequent to Acquisition	414	[4],[5]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,051	[4],[5]
Buildings and Improvements	5,187	[4],[5]
Total	6,238	[4],[5]
Accumulated Depreciation	1,641	[4],[5]
Year Acquired	2007	[4],[5]
Year Constructed	2000	[4],[5]
Industrial [Member] | COLORADO [Member] | Denver [Member] | Centennial Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	4,062	[4],[7]
Initial Cost to the Company [Abstract]
Land	750	[4],[7]
Buildings and Improvements	3,319	[4],[7]
Costs Capitalized Subsequent to Acquisition	1,697	[4],[7]
Gross Amount at which Carried at Close of Period [Abstract]
Land	750	[4],[7]
Buildings and Improvements	5,016	[4],[7]
Total	5,766	[4],[7]
Accumulated Depreciation	1,393	[4],[7]
Year Acquired	2007	[4],[7]
Year Constructed	1990	[4],[7]
Industrial [Member] | NEVADA [Member] | Las Vegas [Member] | Arville Distribution Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	4,933	[4]
Buildings and Improvements	5,094	[4]
Costs Capitalized Subsequent to Acquisition	314	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	4,933	[4]
Buildings and Improvements	5,408	[4]
Total	10,341	[4]
Accumulated Depreciation	1,354	[4]
Year Acquired	2009	[4]
Year Constructed	1997	[4]
Industrial [Member] | MISSISSIPPI [Member] | Jackson area [Member] | Interchange Business Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	343	[4]
Buildings and Improvements	5,007	[4]
Costs Capitalized Subsequent to Acquisition	2,786	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	343	[4]
Buildings and Improvements	7,793	[4]
Total	8,136	[4]
Accumulated Depreciation	4,576	[4]
Year Acquired	1997	[4]
Year Constructed	1981	[4]
Industrial [Member] | MISSISSIPPI [Member] | Jackson area [Member] | Tower Automotive [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	0	[4]
Buildings and Improvements	9,958	[4]
Costs Capitalized Subsequent to Acquisition	1,215	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	17	[4]
Buildings and Improvements	11,156	[4]
Total	11,173	[4]
Accumulated Depreciation	4,034	[4]
Year Acquired	2001	[4]
Year Constructed	2002	[4]
Industrial [Member] | MISSISSIPPI [Member] | Jackson area [Member] | Metro Airport Commerce Center I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	303	[4]
Buildings and Improvements	1,479	[4]
Costs Capitalized Subsequent to Acquisition	1,012	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	303	[4]
Buildings and Improvements	2,491	[4]
Total	2,794	[4]
Accumulated Depreciation	1,376	[4]
Year Acquired	2001	[4]
Year Constructed	2003	[4]
Industrial [Member] | TENNESSEE [Member] | Memphis [Member] | Air Park Distribution Center I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[4]
Initial Cost to the Company [Abstract]
Land	250	[4]
Buildings and Improvements	1,916	[4]
Costs Capitalized Subsequent to Acquisition	1,426	[4]
Gross Amount at which Carried at Close of Period [Abstract]
Land	250	[4]
Buildings and Improvements	3,342	[4]
Total	3,592	[4]
Accumulated Depreciation	1,734	[4]
Year Acquired	1998	[4]
Year Constructed	1975	[4]
Industrial Development [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	4,300	[14]
Initial Cost to the Company [Abstract]
Land	62,113	[14]
Buildings and Improvements	0	[14]
Costs Capitalized Subsequent to Acquisition	117,860	[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	66,955	[14]
Buildings and Improvements	113,018	[14]
Total	179,973	[14]
Accumulated Depreciation	239	[14]
Industrial Development [Member] | FLORIDA [Member] | Oak Creek land [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[14]
Initial Cost to the Company [Abstract]
Land	1,946	[14]
Buildings and Improvements	0	[14]
Costs Capitalized Subsequent to Acquisition	3,365	[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	2,375	[14]
Buildings and Improvements	2,936	[14]
Total	5,311	[14]
Accumulated Depreciation	0	[14]
Year Acquired	2005	[14]
Year Constructed	n/a	[14]
Industrial Development [Member] | FLORIDA [Member] | Madison II & III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[14]
Initial Cost to the Company [Abstract]
Land	624	[14]
Buildings and Improvements	0	[14]
Costs Capitalized Subsequent to Acquisition	3,056	[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	624	[14]
Buildings and Improvements	3,056	[14]
Total	3,680	[14]
Accumulated Depreciation	0	[14]
Year Acquired	2012	[14]
Year Constructed	n/a	[14]
Industrial Development [Member] | FLORIDA [Member] | Madison land [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[14]
Initial Cost to the Company [Abstract]
Land	565	[14]
Buildings and Improvements	0	[14]
Costs Capitalized Subsequent to Acquisition	308	[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	565	[14]
Buildings and Improvements	308	[14]
Total	873	[14]
Accumulated Depreciation	0	[14]
Year Acquired	2012	[14]
Year Constructed	n/a	[14]
Industrial Development [Member] | FLORIDA [Member] | Horizon I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[14]
Initial Cost to the Company [Abstract]
Land	991	[14]
Buildings and Improvements	0	[14]
Costs Capitalized Subsequent to Acquisition	6,121	[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	991	[14]
Buildings and Improvements	6,121	[14]
Total	7,112	[14]
Accumulated Depreciation	64	[14]
Year Acquired	2008	[14]
Year Constructed	2014	[14]
Industrial Development [Member] | FLORIDA [Member] | Horizon II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[14]
Initial Cost to the Company [Abstract]
Land	1,111	[14]
Buildings and Improvements	0	[14]
Costs Capitalized Subsequent to Acquisition	6,549	[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,111	[14]
Buildings and Improvements	6,549	[14]
Total	7,660	[14]
Accumulated Depreciation	43	[14]
Year Acquired	2008	[14]
Year Constructed	2014	[14]
Industrial Development [Member] | FLORIDA [Member] | Horizon land [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[14]
Initial Cost to the Company [Abstract]
Land	11,248	[14]
Buildings and Improvements	0	[14]
Costs Capitalized Subsequent to Acquisition	12,603	[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	11,248	[14]
Buildings and Improvements	12,603	[14]
Total	23,851	[14]
Accumulated Depreciation	0	[14]
Year Acquired	2008/09	[14]
Year Constructed	n/a	[14]
Industrial Development [Member] | FLORIDA [Member] | SunCoast land [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[14]
Initial Cost to the Company [Abstract]
Land	10,892	[14]
Buildings and Improvements	0	[14]
Costs Capitalized Subsequent to Acquisition	6,966	[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	11,104	[14]
Buildings and Improvements	6,754	[14]
Total	17,858	[14]
Accumulated Depreciation	0	[14]
Year Acquired	2006	[14]
Year Constructed	n/a	[14]
Industrial Development [Member] | TEXAS [Member] | North Stemmons land [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[14]
Initial Cost to the Company [Abstract]
Land	537	[14]
Buildings and Improvements	0	[14]
Costs Capitalized Subsequent to Acquisition	276	[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	537	[14]
Buildings and Improvements	276	[14]
Total	813	[14]
Accumulated Depreciation	0	[14]
Year Acquired	2001	[14]
Year Constructed	n/a	[14]
Industrial Development [Member] | TEXAS [Member] | ParkView 1-3 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[14]
Initial Cost to the Company [Abstract]
Land	2,663	[14]
Buildings and Improvements	0	[14]
Costs Capitalized Subsequent to Acquisition	1,413	[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	2,663	[14]
Buildings and Improvements	1,413	[14]
Total	4,076	[14]
Accumulated Depreciation	0	[14]
Year Acquired	2014	[14]
Year Constructed	n/a	[14]
Industrial Development [Member] | TEXAS [Member] | ParkView Commerce Center land [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[14]
Initial Cost to the Company [Abstract]
Land	400	[14]
Buildings and Improvements	0	[14]
Costs Capitalized Subsequent to Acquisition	0	[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	405	[14]
Buildings and Improvements	(5)	[14]
Total	400	[14]
Accumulated Depreciation	0	[14]
Year Acquired	2014	[14]
Year Constructed	n/a	[14]
Industrial Development [Member] | TEXAS [Member] | Valwood land [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[14]
Initial Cost to the Company [Abstract]
Land	416	[14]
Buildings and Improvements	0	[14]
Costs Capitalized Subsequent to Acquisition	20	[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	416	[14]
Buildings and Improvements	20	[14]
Total	436	[14]
Accumulated Depreciation	0	[14]
Year Acquired	2012	[14]
Year Constructed	n/a	[14]
Industrial Development [Member] | TEXAS [Member] | World Houston 39 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[14]
Initial Cost to the Company [Abstract]
Land	620	[14]
Buildings and Improvements	0	[14]
Costs Capitalized Subsequent to Acquisition	4,436	[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	620	[14]
Buildings and Improvements	4,436	[14]
Total	5,056	[14]
Accumulated Depreciation	0	[14]
Year Acquired	2011	[14]
Year Constructed	2014	[14]
Industrial Development [Member] | TEXAS [Member] | World Houston 41 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[14]
Initial Cost to the Company [Abstract]
Land	649	[14]
Buildings and Improvements	0	[14]
Costs Capitalized Subsequent to Acquisition	4,697	[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	649	[14]
Buildings and Improvements	4,697	[14]
Total	5,346	[14]
Accumulated Depreciation	0	[14]
Year Acquired	2011	[14]
Year Constructed	2014	[14]
Industrial Development [Member] | TEXAS [Member] | World Houston Intl Business Ctr land [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[14]
Initial Cost to the Company [Abstract]
Land	1,628	[14]
Buildings and Improvements	0	[14]
Costs Capitalized Subsequent to Acquisition	1,082	[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,628	[14]
Buildings and Improvements	1,082	[14]
Total	2,710	[14]
Accumulated Depreciation	0	[14]
Year Acquired	2000/06	[14]
Year Constructed	n/a	[14]
Industrial Development [Member] | TEXAS [Member] | World Houston Intl Business Ctr land-expansion [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[14]
Initial Cost to the Company [Abstract]
Land	4,069	[14]
Buildings and Improvements	0	[14]
Costs Capitalized Subsequent to Acquisition	5,840	[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	7,479	[14]
Buildings and Improvements	2,430	[14]
Total	9,909	[14]
Accumulated Depreciation	0	[14]
Year Acquired	2011	[14]
Year Constructed	n/a	[14]
Industrial Development [Member] | TEXAS [Member] | Ten West Crossing 6 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[14]
Initial Cost to the Company [Abstract]
Land	640	[14]
Buildings and Improvements	0	[14]
Costs Capitalized Subsequent to Acquisition	3,602	[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	644	[14]
Buildings and Improvements	3,598	[14]
Total	4,242	[14]
Accumulated Depreciation	10	[14]
Year Acquired	2012	[14]
Year Constructed	2014	[14]
Industrial Development [Member] | TEXAS [Member] | Ten West Crossing 7 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[14]
Initial Cost to the Company [Abstract]
Land	584	[14]
Buildings and Improvements	0	[14]
Costs Capitalized Subsequent to Acquisition	2,586	[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	589	[14]
Buildings and Improvements	2,581	[14]
Total	3,170	[14]
Accumulated Depreciation	0	[14]
Year Acquired	2012	[14]
Year Constructed	n/a	[14]
Industrial Development [Member] | TEXAS [Member] | Ten West Crossing land [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[14]
Initial Cost to the Company [Abstract]
Land	1,127	[14]
Buildings and Improvements	0	[14]
Costs Capitalized Subsequent to Acquisition	639	[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,135	[14]
Buildings and Improvements	631	[14]
Total	1,766	[14]
Accumulated Depreciation	0	[14]
Year Acquired	2012	[14]
Year Constructed	n/a	[14]
Industrial Development [Member] | TEXAS [Member] | Lee Road land [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[14]
Initial Cost to the Company [Abstract]
Land	2,989	[14]
Buildings and Improvements	0	[14]
Costs Capitalized Subsequent to Acquisition	2,119	[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	3,723	[14]
Buildings and Improvements	1,385	[14]
Total	5,108	[14]
Accumulated Depreciation	0	[14]
Year Acquired	2007	[14]
Year Constructed	n/a	[14]
Industrial Development [Member] | TEXAS [Member] | West Road I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[14]
Initial Cost to the Company [Abstract]
Land	621	[14]
Buildings and Improvements	0	[14]
Costs Capitalized Subsequent to Acquisition	3,656	[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	621	[14]
Buildings and Improvements	3,656	[14]
Total	4,277	[14]
Accumulated Depreciation	4	[14]
Year Acquired	2012	[14]
Year Constructed	2014	[14]
Industrial Development [Member] | TEXAS [Member] | West Road III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[14]
Initial Cost to the Company [Abstract]
Land	597	[14]
Buildings and Improvements	0	[14]
Costs Capitalized Subsequent to Acquisition	3,268	[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	597	[14]
Buildings and Improvements	3,268	[14]
Total	3,865	[14]
Accumulated Depreciation	0	[14]
Year Acquired	2012	[14]
Year Constructed	n/a	[14]
Industrial Development [Member] | TEXAS [Member] | West Road land [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[14]
Initial Cost to the Company [Abstract]
Land	1,104	[14]
Buildings and Improvements	0	[14]
Costs Capitalized Subsequent to Acquisition	1,113	[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,105	[14]
Buildings and Improvements	1,112	[14]
Total	2,217	[14]
Accumulated Depreciation	0	[14]
Year Acquired	2012	[14]
Year Constructed	n/a	[14]
Industrial Development [Member] | TEXAS [Member] | Americas Ten Business Center II and III land [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[14]
Initial Cost to the Company [Abstract]
Land	1,365	[14]
Buildings and Improvements	0	[14]
Costs Capitalized Subsequent to Acquisition	1,079	[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,365	[14]
Buildings and Improvements	1,079	[14]
Total	2,444	[14]
Accumulated Depreciation	0	[14]
Year Acquired	2001	[14]
Year Constructed	n/a	[14]
Industrial Development [Member] | TEXAS [Member] | Alamo Ridge I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[14]
Initial Cost to the Company [Abstract]
Land	623	[14]
Buildings and Improvements	0	[14]
Costs Capitalized Subsequent to Acquisition	4,852	[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	623	[14]
Buildings and Improvements	4,852	[14]
Total	5,475	[14]
Accumulated Depreciation	0	[14]
Year Acquired	2007	[14]
Year Constructed	n/a	[14]
Industrial Development [Member] | TEXAS [Member] | Alamo Ridge II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[14]
Initial Cost to the Company [Abstract]
Land	402	[14]
Buildings and Improvements	0	[14]
Costs Capitalized Subsequent to Acquisition	2,964	[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	402	[14]
Buildings and Improvements	2,964	[14]
Total	3,366	[14]
Accumulated Depreciation	0	[14]
Year Acquired	2007	[14]
Year Constructed	n/a	[14]
Industrial Development [Member] | TEXAS [Member] | Alamo Ridge land [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[14]
Initial Cost to the Company [Abstract]
Land	1,263	[14]
Buildings and Improvements	0	[14]
Costs Capitalized Subsequent to Acquisition	1,559	[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,262	[14]
Buildings and Improvements	1,560	[14]
Total	2,822	[14]
Accumulated Depreciation	0	[14]
Year Acquired	2007	[14]
Year Constructed	n/a	[14]
Industrial Development [Member] | TEXAS [Member] | Thousand Oaks 4 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[14]
Initial Cost to the Company [Abstract]
Land	753	[14]
Buildings and Improvements	0	[14]
Costs Capitalized Subsequent to Acquisition	2,190	[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	753	[14]
Buildings and Improvements	2,190	[14]
Total	2,943	[14]
Accumulated Depreciation	0	[14]
Year Acquired	2013	[14]
Year Constructed	n/a	[14]
Industrial Development [Member] | ARIZONA [Member] | Airport Distribution Center II land [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[14]
Initial Cost to the Company [Abstract]
Land	300	[14]
Buildings and Improvements	0	[14]
Costs Capitalized Subsequent to Acquisition	117	[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	300	[14]
Buildings and Improvements	117	[14]
Total	417	[14]
Accumulated Depreciation	0	[14]
Year Acquired	2000	[14]
Year Constructed	n/a	[14]
Industrial Development [Member] | ARIZONA [Member] | Kyrene Land Member
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[14]
Initial Cost to the Company [Abstract]
Land	2,180	[14]
Buildings and Improvements	0	[14]
Costs Capitalized Subsequent to Acquisition	1,283	[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	2,180	[14]
Buildings and Improvements	1,283	[14]
Total	3,463	[14]
Accumulated Depreciation	0	[14]
Year Acquired	2011	[14]
Year Constructed	n/a	[14]
Industrial Development [Member] | ARIZONA [Member] | Kyrene 202 I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[14]
Initial Cost to the Company [Abstract]
Land	653	[14]
Buildings and Improvements	0	[14]
Costs Capitalized Subsequent to Acquisition	5,286	[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	653	[14]
Buildings and Improvements	5,286	[14]
Total	5,939	[14]
Accumulated Depreciation	7	[14]
Year Acquired	2011	[14]
Year Constructed	2014	[14]
Industrial Development [Member] | ARIZONA [Member] | Kyrene 202 II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[14]
Initial Cost to the Company [Abstract]
Land	387	[14]
Buildings and Improvements	0	[14]
Costs Capitalized Subsequent to Acquisition	3,022	[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	387	[14]
Buildings and Improvements	3,022	[14]
Total	3,409	[14]
Accumulated Depreciation	0	[14]
Year Acquired	2011	[14]
Year Constructed	2014	[14]
Industrial Development [Member] | ARIZONA [Member] | Sky Harbor 6 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[14]
Initial Cost to the Company [Abstract]
Land	807	[14]
Buildings and Improvements	0	[14]
Costs Capitalized Subsequent to Acquisition	813	[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	807	[14]
Buildings and Improvements	813	[14]
Total	1,620	[14]
Accumulated Depreciation	0	[14]
Year Acquired	2014	[14]
Year Constructed	n/a	[14]
Industrial Development [Member] | NORTH CAROLINA [Member] | Steele Creek II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[14]
Initial Cost to the Company [Abstract]
Land	941	[14]
Buildings and Improvements	0	[14]
Costs Capitalized Subsequent to Acquisition	3,982	[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	957	[14]
Buildings and Improvements	3,966	[14]
Total	4,923	[14]
Accumulated Depreciation	64	[14]
Year Acquired	2013	[14]
Year Constructed	2014	[14]
Industrial Development [Member] | NORTH CAROLINA [Member] | Steele Creek III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[14]
Initial Cost to the Company [Abstract]
Land	1,464	[14]
Buildings and Improvements	0	[14]
Costs Capitalized Subsequent to Acquisition	5,856	[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	1,469	[14]
Buildings and Improvements	5,851	[14]
Total	7,320	[14]
Accumulated Depreciation	47	[14]
Year Acquired	2013	[14]
Year Constructed	2014	[14]
Industrial Development [Member] | NORTH CAROLINA [Member] | Steele Creek IV [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[14]
Initial Cost to the Company [Abstract]
Land	684	[14]
Buildings and Improvements	0	[14]
Costs Capitalized Subsequent to Acquisition	2,776	[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	687	[14]
Buildings and Improvements	2,773	[14]
Total	3,460	[14]
Accumulated Depreciation	0	[14]
Year Acquired	2013	[14]
Year Constructed	n/a	[14]
Industrial Development [Member] | NORTH CAROLINA [Member] | Steele Creek land [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[14]
Initial Cost to the Company [Abstract]
Land	2,518	[14]
Buildings and Improvements	0	[14]
Costs Capitalized Subsequent to Acquisition	939	[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	2,529	[14]
Buildings and Improvements	928	[14]
Total	3,457	[14]
Accumulated Depreciation	0	[14]
Year Acquired	2013/14	[14]
Year Constructed	n/a	[14]
Industrial Development [Member] | NORTH CAROLINA [Member] | Airport Commerce Center III land [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[14]
Initial Cost to the Company [Abstract]
Land	855	[14]
Buildings and Improvements	0	[14]
Costs Capitalized Subsequent to Acquisition	671	[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	855	[14]
Buildings and Improvements	671	[14]
Total	1,526	[14]
Accumulated Depreciation	0	[14]
Year Acquired	2008	[14]
Year Constructed	n/a	[14]
Industrial Development [Member] | COLORADO [Member] | Rampart IV [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	4,300	[13],[14]
Initial Cost to the Company [Abstract]
Land	590	[13],[14]
Buildings and Improvements	0	[13],[14]
Costs Capitalized Subsequent to Acquisition	6,357	[13],[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	590	[13],[14]
Buildings and Improvements	6,357	[13],[14]
Total	6,947	[13],[14]
Accumulated Depreciation	0	[13],[14]
Year Acquired	2012	[13],[14]
Year Constructed	2014	[13],[14]
Industrial Development [Member] | MISSISSIPPI [Member] | Metro Airport Commerce Center II land [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0	[14]
Initial Cost to the Company [Abstract]
Land	307	[14]
Buildings and Improvements	0	[14]
Costs Capitalized Subsequent to Acquisition	399	[14]
Gross Amount at which Carried at Close of Period [Abstract]
Land	307	[14]
Buildings and Improvements	399	[14]
Total	706	[14]
Accumulated Depreciation	$ 0	[14]
Year Acquired	2001	[14]
Year Constructed	n/a	[14]

[1] The estimated aggregate cost of real estate properties at December 31, 2014 for federal income tax purposes was approximately $2,044,327,000 before estimated accumulated tax depreciation of $385,355,000. The federal income tax return for the year ended December 31, 2014, has not been filed and accordingly, this estimate is based on preliminary data.

[2] Changes in Real Estate Properties follow: Years Ended December 31,2014 2013 2012(In thousands)Balance at beginning of year $1,927,326 1,768,032 1,662,593Purchases of real estate properties 47,477 65,387 48,934Development of real estate properties97,696 76,240 55,404Improvements to real estate properties19,862 21,438 18,164Carrying amount of investments sold (17,049) (3,475) (16,756)Write-off of improvements (366) (296) (307)Balance at end of year (1) $2,074,946 1,927,326 1,768,032(1)Includes 20% noncontrolling interests in Castilian Research Center of $1,794,000 at December 31, 2014 and $1,794,000 at December 31, 2013 and in University Business Center of $6,536,000 and $6,496,000, respectively.Changes in the accumulated depreciation on real estate properties follow: Years Ended December 31,2014 2013 2012(In thousands)Balance at beginning of year $550,113 496,247 451,805Depreciation expense 57,303 54,284 51,564Accumulated depreciation on assets sold (6,525) (126) (6,819)Other (365) (292) (303)Balance at end of year $600,526 550,113 496,247

[3] Includes 20% noncontrolling interests in Castilian Research Center of $1,794,000 at December 31, 2014 and $1,794,000 at December 31, 2013 and in University Business Center of $6,536,000 and $6,496,000, 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 $48,592,000 non-recourse first mortgage loan with an insurance company secured by Arion 18, Beltway VI & VII, Commerce Park II & III, Concord Distribution Center, Interstate Distribution Center V, VI & VII, Lakeview Business Center, Ridge Creek Distribution Center II, Southridge IV & V and World Houston 32.

[6] EastGroup has a $26,074,000 non-recourse first mortgage loan with an insurance company secured by Country Club I, Lake Pointe, Techway Southwest II, and World Houston 19 & 20.

[7] EastGroup has a $64,119,000 non-recourse first mortgage loan with an insurance company secured by 40th Avenue, Beltway V, Centennial Park, Executive Airport, Ocean View, Techway Southwest IV, Wetmore V-VIII, and World Houston 26, 28, 29 & 30.

[8] EastGroup has a $27,246,000 non-recourse first mortgage loan with an insurance company secured by Huntwood and Wiegman I-IV.

[9] EastGroup has a $56,970,000 limited recourse first mortgage loan with an insurance company secured by Dominguez, Industry Distribution Center 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.

[10] EastGroup has a $54,259,000 non-recourse first mortgage loan with an insurance company secured by Arion 16, Broadway VI, Chino, East University I & II, Northpark I-IV, Santan 10 II, 55th Avenue, and World Houston 1 & 2 and 21 & 23.

[11] EastGroup has a $58,262,000 non-recourse first mortgage loan with an insurance company secured by Beltway II, III & IV, Commerce Park 1, Eastlake, Fairgrounds I-IV, Nations Ford I-IV, Techway Southwest III, Wetmore I-IV, and World Houston 15 & 22.

[12] EastGroup has a $57,579,000 non-recourse first mortgage loan with an insurance company secured by America Plaza, Central Green, Glenmont I & II, Interstate I, II & III, Rojas, Stemmons Circle, Venture, West Loop I & II, and World Houston 3-9.

[13] EastGroup has a $56,945,000 non-recourse first mortgage loan with an insurance company secured by Alamo Downs, Arion 1-15 & 17, Rampart I, II, III & IV, Santan 10, and World Houston 16.

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