SCHEDULE III REAL ESTATE AND ACCUMULATED DEPRECIATION

12 Months Ended

Dec. 31, 2021

SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Abstract]

SCHEDULE III REAL ESTATE AND ACCUMULATED DEPRECIATION

					Initial Cost to Company				Costs Capitalized Subsequent to Acquisition				Cost amount carried at Close of Period
Property	Location	Number of Properties	Encumbrances (1)		Land		Buildings and Equipment				Impairments/ Writedowns		Land		Buildings and Equipment		Total (2)		Accumulated Depreciation (3)		Date(s) Acquired	Original Construction Date(s)
Inverness Center	Birmingham, AL	3	$	—	$	5,907	$	12,098	$	1,590	$	(7,717)	$	3,823	$	8,055	$	11,878	$	—	12/31/2018	1984
445 Jan Davis Drive	Huntsville, AL	1	—		1,501		1,492		—		—		1,501		1,492		2,993		(120)		12/31/2018	2007
131 Clayton Street	Montgomery, AL	1	—		920		9,084		241		—		920		9,325		10,245		(2,438)		6/22/2011	2007
4344 Carmichael Road	Montgomery, AL	1	—		1,374		11,658		562		—		1,374		12,220		13,594		(2,424)		12/17/2013	2009
15451 North 28th Avenue	Phoenix, AZ	1	—		1,917		7,416		752		—		1,917		8,168		10,085		(1,518)		9/10/2014	1996
16001 North 28th Avenue	Phoenix, AZ	1	—		3,355		412		1,123		—		3,355		1,535		4,890		(145)		12/31/2018	1998
711 S 14th Avenue	Safford, AZ	1	—		460		11,708		884		(4,440)		364		8,248		8,612		(1,058)		6/16/2010	1992
Regents Center	Tempe, AZ	2	—		4,121		3,042		293		—		4,121		3,335		7,456		(480)		12/31/2018	1988
Campbell Place	Carlsbad, CA	2	—		5,769		3,871		7,481		—		5,769		11,352		17,121		(1,476)		12/31/2018	2007
Folsom Corporate Center	Folsom, CA	1	—		2,904		5,583		568		—		2,904		6,151		9,055		(585)		12/31/2018	2008
Bayside Technology Park	Fremont, CA	1	—		10,784		648		87		—		10,784		735		11,519		(75)		12/31/2018	1990
10949 N. Mather Boulevard	Rancho Cordova, CA	1	—		562		16,923		992		—		562		17,915		18,477		(3,658)		10/30/2013	2012
11020 Sun Center Drive	Rancho Cordova, CA	1	—		1,466		8,797		1,409		—		1,466		10,206		11,672		(1,486)		12/20/2016	1983
100 Redwood Shores Parkway	Redwood City, CA	1	—		14,454		7,721		—		—		14,454		7,721		22,175		(643)		12/31/2018	1993
3875 Atherton Road	Rocklin, CA	1	—		177		853		9		—		177		862		1,039		(71)		12/31/2018	1991
801 K Street	Sacramento, CA	1	—		4,688		61,994		7,078		—		4,688		69,072		73,760		(10,724)		1/29/2016	1989
9815 Goethe Road	Sacramento, CA	1	—		1,450		9,465		1,494		—		1,450		10,959		12,409		(2,821)		9/14/2011	1992
Capitol Place	Sacramento, CA	1	—		2,290		35,891		8,399		—		2,290		44,290		46,580		(12,964)		12/17/2009	1988
4560 Viewridge Road	San Diego, CA	1	—		4,269		18,316		5,135		—		4,347		23,373		27,720		(13,088)		3/31/1997	1996
2115 O’Nel Drive	San Jose, CA	1	—		12,305		5,062		218		—		12,305		5,280		17,585		(421)		12/31/2018	1984
North First Street	San Jose, CA	1	—		8,311		4,003		411		—		8,311		4,414		12,725		(417)		12/31/2018	1984
Rio Robles Drive	San Jose, CA	3	—		23,687		13,698		3,196		—		23,687		16,894		40,581		(1,611)		12/31/2018	1984
2450 and 2500 Walsh Avenue	Santa Clara, CA	2	—		13,374		16,651		161		—		13,374		16,812		30,186		(1,401)		12/31/2018	1982
3250 and 3260 Jay Street	Santa Clara, CA	2	—		19,899		14,051		—		—		19,899		14,051		33,950		(1,168)		12/31/2018	1982
603 San Juan Avenue	Stockton, CA	1	—		563		5,470		49		—		563		5,519		6,082		(1,288)		7/20/2012	2012
350 West Java Drive	Sunnyvale, CA	1	—		24,609		462		322		—		24,609		784		25,393		(48)		12/31/2018	1984
7958 South Chester Street	Centennial, CO	1	—		6,682		7,153		812		—		6,682		7,965		14,647		(651)		12/31/2018	2000
350 Spectrum Loop	Colorado Springs, CO	1	—		3,650		7,732		503		—		3,650		8,235		11,885		(665)		12/31/2018	2000
333 Inverness Drive South	Englewood, CO	1	—		5,711		4,543		63		—		5,711		4,606		10,317		(408)		12/31/2018	1998

				Initial Cost to Company		Costs Capitalized Subsequent to Acquisition		Cost amount carried at Close of Period
Property	Location	Number of Properties	Encumbrances (1)	Land	Buildings and Equipment		Impairments/ Writedowns	Land	Buildings and Equipment	Total (2)	Accumulated Depreciation (3)	Date(s) Acquired	Original Construction Date(s)
12795 West Alameda Parkway	Lakewood, CO	1	—	2,640	23,777	1,441	—	2,640	25,218	27,858	(7,510)	1/15/2010	1988
Corporate Center	Lakewood, CO	3	—	2,887	27,537	4,101	—	2,887	31,638	34,525	(15,258)	10/11/2002	1980
11 Dupont Circle, NW	Washington, DC	1	—	28,255	44,743	15,108	—	28,255	59,851	88,106	(7,197)	10/2/2017	1974
1211 Connecticut Avenue, NW	Washington, DC	1	25,059	30,388	24,667	3,268	—	30,388	27,935	58,323	(3,633)	10/2/2017	1967
1401 K Street, NW	Washington, DC	1	23,408	29,215	34,656	6,214	—	29,215	40,870	70,085	(6,005)	10/2/2017	1929
20 Massachusetts Avenue	Washington, DC	1	—	12,009	51,527	72,633	—	12,230	123,939	136,169	(40,667)	3/31/1997	1996
440 First Street, NW	Washington, DC	1	—	27,903	38,624	2,233	—	27,903	40,857	68,760	(4,520)	10/2/2017	1982
625 Indiana Avenue	Washington, DC	1	—	26,000	25,955	9,818	—	26,000	35,773	61,773	(9,746)	8/17/2010	1989
840 First Street, NE	Washington, DC	1	—	42,727	73,278	3,546	—	42,727	76,824	119,551	(8,758)	10/2/2017	2003
10350 NW 112th Avenue	Miami, FL	1	—	4,798	2,757	1,014	—	4,798	3,771	8,569	(252)	12/31/2018	2002
7850 Southwest 6th Court	Plantation, FL	1	—	4,800	30,592	491	—	4,800	31,083	35,883	(8,231)	5/12/2011	1999
8900 Grand Oak Circle	Tampa, FL	1	—	1,100	11,773	1,134	—	1,100	12,907	14,007	(3,451)	10/15/2010	1994
180 Ted Turner Drive SW	Atlanta, GA	1	—	5,717	20,017	632	—	5,717	20,649	26,366	(4,824)	7/25/2012	2007
1224 Hammond Drive	Atlanta, GA	1	—	13,040	135,459	6,549	—	13,040	142,008	155,048	(2,171)	6/25/2021	2020
Corporate Square	Atlanta, GA	5	—	3,996	29,762	28,004	—	3,996	57,766	61,762	(18,642)	7/16/2004	1967
Executive Park	Atlanta, GA	1	—	1,521	11,826	4,123	—	1,521	15,949	17,470	(7,759)	7/16/2004	1972
One Georgia Center	Atlanta, GA	1	—	10,250	27,933	16,756	—	10,250	44,689	54,939	(9,744)	9/30/2011	1968
One Primerica Parkway	Duluth, GA	1	—	6,927	22,951	—	—	6,927	22,951	29,878	(1,908)	12/31/2018	2013
4712 Southpark Boulevard	Ellenwood, GA	1	—	1,390	19,635	118	—	1,390	19,753	21,143	(4,651)	7/25/2012	2005
91-209 Kuhela Street	Kapolei, HI	1	—	1,998	—	3	—	1,992	9	2,001	—	12/31/2018	Land
8305 NW 62nd Avenue	Johnston, IA	1	—	2,649	7,997	—	—	2,649	7,997	10,646	(665)	12/31/2018	2011
1185, 1249 & 1387 S. Vinnell Way	Boise, ID	3	—	3,390	29,026	1,016	—	3,390	30,042	33,432	(7,019)	9/11/2012	1996; 1997; 2002
2020 S. Arlington Heights	Arlington Heights, IL	1	—	1,450	13,588	1,672	—	1,450	15,260	16,710	(4,204)	12/29/2009	1988
400 South Jefferson Street	Chicago, IL	1	49,711	19,379	20,115	779	—	19,379	20,894	40,273	(1,744)	12/31/2018	1947
1000 W. Fulton	Chicago, IL	1	—	42,935	258,348	50	—	42,935	258,398	301,333	(4,473)	6/24/2021	2015
HUB 1415	Naperville, IL	1	—	12,333	20,586	12,056	—	12,333	32,642	44,975	(2,681)	12/31/2018	2001
440 North Fairway Drive	Vernon Hills, IL	1	—	4,465	441	—	—	4,465	441	4,906	(38)	12/31/2018	1992
7601 and 7635 Interactive Way	Indianapolis, IN	2	—	3,337	14,522	34	—	3,337	14,556	17,893	(1,136)	12/31/2018	2003

				Initial Cost to Company		Costs Capitalized Subsequent to Acquisition		Cost amount carried at Close of Period
Property	Location	Number of Properties	Encumbrances (1)	Land	Buildings and Equipment		Impairments/ Writedowns	Land	Buildings and Equipment	Total (2)	Accumulated Depreciation (3)	Date(s) Acquired	Original Construction Date(s)
Intech Park	Indianapolis, IN	3	—	4,170	69,759	9,542	—	4,170	79,301	83,471	(20,726)	10/14/2011	2000; 2001; 2008
The Atrium at Circleport II	Erlanger, KY	1	—	1,796	1,933	578	—	1,796	2,511	4,307	(287)	12/31/2018	1999
7125 Industrial Road	Florence, KY	1	—	1,698	11,722	293	—	1,698	12,015	13,713	(2,711)	12/31/2012	1980
251 Causeway Street	Boston, MA	3	—	26,851	36,756	3,665	—	26,851	40,421	67,272	(6,205)	8/17/2010; 8/3/2021	1987
The Connect	Chelmsford, MA	2	—	4,700	—	8,256	—	4,700	8,256	12,956	(496)	12/31/2018	1984
75 Pleasant Street	Malden, MA	1	—	1,050	31,086	877	—	1,050	31,963	33,013	(9,349)	5/24/2010	2008
25 Newport Avenue	Quincy, MA	1	—	2,700	9,199	1,593	—	2,700	10,792	13,492	(2,823)	2/16/2011	1985
314 Littleton Road	Westford, MA	1	—	5,691	8,487	47	—	5,691	8,534	14,225	(717)	12/31/2018	2007
Annapolis Commerce Center	Annapolis, MD	2	—	4,057	7,665	4,599	—	4,057	12,264	16,321	(1,121)	10/2/2017	1989
4201 Patterson Avenue	Baltimore, MD	1	—	901	8,097	4,134	(85)	893	12,154	13,047	(6,291)	10/15/1998	1989
7001 Columbia Gateway Drive	Columbia, MD	1	—	5,642	10,352	399	—	5,642	10,751	16,393	(939)	12/31/2018	2008
Hillside Center	Columbia, MD	2	—	3,437	4,228	934	—	3,437	5,162	8,599	(643)	10/2/2017	2001
TenThreeTwenty	Columbia, MD	1	—	3,126	16,361	1,932	—	3,126	18,293	21,419	(2,370)	10/2/2017	1982
3300 75th Avenue	Landover, MD	1	—	4,110	36,371	3,140	—	4,110	39,511	43,621	(11,474)	2/26/2010	1985
Redland 520/530	Rockville, MD	3	—	12,714	61,377	4,267	—	12,714	65,644	78,358	(7,105)	10/2/2017	2008
Redland 540	Rockville, MD	1	—	10,740	17,714	6,113	—	10,740	23,827	34,567	(4,390)	10/2/2017	2003
Rutherford Business Park	Windsor Mill, MD	1	—	1,598	10,219	545	—	1,598	10,764	12,362	(2,438)	11/16/2012	1972
3550 Green Court	Ann Arbor, MI	1	—	3,630	4,857	—	—	3,630	4,857	8,487	(429)	12/31/2018	1998
11411 E. Jefferson Avenue	Detroit, MI	1	—	630	18,002	567	—	630	18,569	19,199	(5,358)	4/23/2010	2009
Rosedale Corporate Plaza	Roseville, MN	1	—	672	6,045	1,547	—	672	7,592	8,264	(4,338)	12/1/1999	1987
1300 Summit Street	Kansas City, MO	1	—	2,776	12,070	900	—	2,776	12,970	15,746	(2,978)	9/27/2012	1998
2555 Grand Boulevard	Kansas City, MO	1	—	4,209	51,522	4,402	—	4,209	55,924	60,133	(4,550)	12/31/2018	2003
4241 NE 34th Street	Kansas City, MO	1	—	1,133	5,649	4,705	—	1,470	10,017	11,487	(4,995)	3/31/1997	1995
1220 Echelon Parkway	Jackson, MS	1	—	440	25,458	529	—	440	25,987	26,427	(6,103)	7/25/2012	2009
2300 and 2400 Yorkmont Road	Charlotte, NC	2	—	1,334	19,075	2,509	—	1,334	21,584	22,918	(1,966)	12/31/2018	1995
18010 and 18020 Burt Street	Omaha, NE	2	—	6,977	12,500	—	—	6,977	12,500	19,477	(1,039)	12/31/2018	2012
500 Charles Ewing Boulevard	Ewing, NJ	1	—	4,808	26,002	—	—	4,808	26,002	30,810	(2,162)	12/31/2018	2012
299 Jefferson Road	Parsippany, NJ	1	—	4,543	2,914	865	—	4,543	3,779	8,322	(386)	12/31/2018	2011

				Initial Cost to Company		Costs Capitalized Subsequent to Acquisition		Cost amount carried at Close of Period
Property	Location	Number of Properties	Encumbrances (1)	Land	Buildings and Equipment		Impairments/ Writedowns	Land	Buildings and Equipment	Total (2)	Accumulated Depreciation (3)	Date(s) Acquired	Original Construction Date(s)
One Jefferson Road	Parsippany, NJ	1	—	4,415	5,249	63	—	4,415	5,312	9,727	(439)	12/31/2018	2009
Airline Corporate Center	Colonie, NY	1	—	790	6,400	1,141	—	790	7,541	8,331	(1,652)	6/22/2012	2004
5000 Corporate Court	Holtsville, NY	1	—	6,530	17,711	4,330	—	6,530	22,041	28,571	(5,956)	8/31/2011	2000
1212 Pittsford - Victor Road	Pittsford, NY	1	—	608	78	538	—	608	616	1,224	(67)	12/31/2018	1965
2231 Schrock Road	Columbus, OH	1	—	716	217	283	—	716	500	1,216	(63)	12/31/2018	1999
4600 25th Avenue	Salem, OR	1	—	6,510	17,973	6,355	—	6,510	24,328	30,838	(5,918)	12/20/2011	1957
8800 Tinicum Boulevard	Philadelphia, PA	1	—	5,573	22,686	2,396	—	5,573	25,082	30,655	(1,976)	12/31/2018	2000
446 Wrenplace Road	Fort Mill, SC	1	—	5,031	22,524	—	—	5,031	22,524	27,555	(577)	12/22/2020	2019
9680 Old Bailes Road	Fort Mill, SC	1	—	834	2,944	53	—	834	2,997	3,831	(247)	12/31/2018	2007
16001 North Dallas Parkway	Addison, TX	2	—	10,282	63,071	945	—	10,282	64,016	74,298	(5,636)	12/31/2018	1987
Research Park	Austin, TX	2	—	4,258	13,747	247	—	4,258	13,994	18,252	(2,103)	12/31/2018	1999
10451 Clay Road	Houston, TX	1	—	5,495	10,253	—	—	5,495	10,253	15,748	(854)	12/31/2018	2013
202 North Castlegory Road	Houston, TX	1	—	863	5,024	—	—	863	5,024	5,887	(393)	12/31/2018	2016
6380 Rogerdale Road	Houston, TX	1	—	12,628	6,113	1,092	—	12,628	7,205	19,833	(550)	12/31/2018	2006
4221 W. John Carpenter Freeway	Irving, TX	1	—	1,413	2,365	1,843	—	1,413	4,208	5,621	(736)	12/31/2018	1995
8675,8701-8711 Freeport Pkwy and 8901 Esters Boulevard	Irving, TX	3	—	10,185	31,566	68	—	10,185	31,634	41,819	(2,625)	12/31/2018	1990
1511 East Common Street	New Braunfels, TX	1	—	4,965	1,266	222	—	4,965	1,488	6,453	(124)	12/31/2018	2005
2900 West Plano Parkway	Plano, TX	1	—	6,819	8,831	—	—	6,819	8,831	15,650	(734)	12/31/2018	1998
3400 West Plano Parkway	Plano, TX	1	—	4,543	15,964	321	—	4,543	16,285	20,828	(1,369)	12/31/2018	1994
3600 Wiseman Boulevard	San Antonio, TX	1	—	3,493	6,662	3,300	—	3,493	9,962	13,455	(1,129)	12/31/2018	2004
701 Clay Road	Waco, TX	1	—	2,030	8,708	14,327	—	2,060	23,005	25,065	(7,173)	12/23/1997	1997
1800 Novell Place	Provo, UT	1	—	7,487	43,487	124	—	7,487	43,611	51,098	(3,906)	12/31/2018	2000
4885-4931 North 300 West	Provo, UT	2	—	3,915	9,429	21	—	3,915	9,450	13,365	(834)	12/31/2018	2009
14660, 14672 & 14668 Lee Road	Chantilly, VA	3	—	6,966	74,214	6,172	—	6,966	80,386	87,352	(10,355)	12/22/2016	1998; 2002; 2006
1434 Crossways	Chesapeake, VA	2	—	3,617	19,527	2,673	—	3,617	22,200	25,817	(2,680)	10/2/2017	1998
Enterchange at Meadowville	Chester, VA	1	—	1,478	9,594	424	—	1,478	10,018	11,496	(2,077)	8/28/2013	1999
Three Flint Hill	Fairfax, VA	1	—	5,991	25,536	3,118	—	5,991	28,654	34,645	(4,356)	10/2/2017	1984
7987 Ashton Avenue	Manassas, VA	1	—	1,562	8,253	1,059	—	1,562	9,312	10,874	(1,311)	1/3/2017	1989
Two Commercial Place	Norfolk, VA	1	—	4,494	21,508	575	—	4,494	22,083	26,577	(1,744)	12/31/2018	1974

					Initial Cost to Company				Costs Capitalized Subsequent to Acquisition				Cost amount carried at Close of Period
Property	Location	Number of Properties	Encumbrances (1)		Land		Buildings and Equipment				Impairments/ Writedowns		Land		Buildings and Equipment		Total (2)		Accumulated Depreciation (3)		Date(s) Acquired	Original Construction Date(s)
1759 & 1760 Business Center Drive	Reston, VA	2	—		9,066		78,658		7,007		—		9,066		85,665		94,731		(15,947)		5/28/2014	1987
1775 Wiehle Avenue	Reston, VA	1	—		4,138		26,120		2,000		—		4,138		28,120		32,258		(3,312)		10/2/2017	2001
9201 Forest Hill Avenue	Richmond, VA	1	—		1,344		375		466		—		1,344		841		2,185		(100)		12/31/2018	1985
9960 Mayland Drive	Richmond, VA	1	—		2,614		15,930		3,392		—		2,614		19,322		21,936		(3,720)		5/20/2014	1994
Parham Place	Richmond, VA	3	—		913		1,099		563		—		913		1,662		2,575		(132)		12/31/2018	1989; 2012
1751 Blue Hills Drive	Roanoke, VA	1	—		2,689		7,761		—		—		2,689		7,761		10,450		(645)		12/31/2018	2003
Atlantic Corporate Park	Sterling, VA	2	—		5,752		29,316		2,713		—		5,752		32,029		37,781		(3,499)		10/2/2017	2008
Orbital Sciences Campus	Sterling, VA	3	—		12,275		19,320		780		—		12,275		20,100		32,375		(1,754)		12/31/2018	2001
Sterling Business Park Lots 8 and 9	Sterling, VA	1	—		5,871		44,324		103		—		5,871		44,427		50,298		(4,714)		10/2/2017	2016
65 Bowdoin Street	S. Burlington, VT	1	—		700		8,416		140		—		700		8,556		9,256		(2,524)		4/9/2010	2009
840 North Broadway	Everett, WA	2	—		3,360		15,376		3,228		—		3,360		18,604		21,964		(4,189)		6/28/2012	1985
Stevens Center	Richland, WA	2	—		3,970		17,035		5,594		—		4,042		22,557		26,599		(12,408)		3/31/1997	1995
351, 401, 501 Elliott Ave West	Seattle, WA	3	—		26,640		52,740		5,782		—		26,640		58,522		85,162		(4,705)		12/31/2018	2000
5353 Yellowstone Road	Cheyenne, WY	1	—		1,915		8,217		1,882		—		1,950		10,064		12,014		(5,551)		3/31/1997	1995
		174	$	98,178	$	875,529	$	2,658,896	$	388,903	$	(12,242)	$	874,108	$	3,036,978	$	3,911,086	$	(495,912)
Properties Held for Sale
2115 East Jefferson Street (4)	Rockville, MD	1	—		3,349		11,152		592		(8,646)		1,678		4,769		6,447		—		8/27/2013	1981
Greenbrier Towers (5)	Chesapeake, VA	2	—		3,437		11,241		3,067		—		3,437		14,308		17,745		(2,354)		10/2/2017	1985
11050 West Liberty Drive	Milwaukee, WI	1	—		945		4,539		103		(1,989)		781		2,817		3,598		—		6/9/2011	2006
		4	—		7,731		26,932		3,762		(10,635)		5,896		21,894		27,790		(2,354)
		178	$	98,178	$	883,260	$	2,685,828	$	392,665	$	(22,877)	$	880,004	$	3,058,872	$	3,938,876	$	(498,266)

(1) Represents mortgage debt, net of the unamortized balance of the fair value adjustments and debt issuance costs totaling $123.

(2) Excludes the value of real estate intangibles. Aggregate cost for federal income tax purposes is approximately $7,358,924.

(3) Depreciation on building and improvements is provided for periods ranging up to 40 years and on equipment up to 12 years.

(4) This property was sold in January 2022.

(5) These properties were sold in February 2022.

An analysis of the carrying amount of real estate properties and accumulated depreciation is as follows:

	Real Estate Properties		Accumulated Depreciation
Balance at December 31, 2018	$	3,944,636	$	375,147
Additions	66,221		89,398
Loss on asset impairment	(22,255)		—
Disposals	(424,302)		(64,167)
Cost basis adjustment (1)	(9,169)		(9,169)
Reclassification of assets of properties held for sale	(61,900)		(3,553)
Balance at December 31, 2019	3,493,231		387,656
Additions	122,116		83,828
Loss on asset impairment	(2,954)		—
Disposals	(31,193)		(13,125)
Cost basis adjustment (1)	(3,968)		(3,968)
Reclassification of assets of properties held for sale	(55,089)		(2,477)
Balance at December 31, 2020	3,522,143		451,914
Additions	584,805		92,266
Loss on asset impairment	(58,696)		—
Disposals	(72,137)		(8,675)
Cost basis adjustment (1)	(37,239)		(37,239)
Reclassification of assets of properties held for sale	(27,790)		(2,354)
Balance at December 31, 2021	$	3,911,086	$	495,912

(1)    Represents the reclassification between accumulated depreciation and building made to certain properties reclassified as assets of properties held for sale at fair value less costs to sell in accordance with GAAP.