SCHEDULE III REAL ESTATE AND ACCUMULATED DEPRECIATION (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($) property building	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Real estate and accumulated depreciation
Number of Properties | property	157
Encumbrances	$ 49,917
Initial Cost to Company
Land	820,568
Buildings and Equipment	2,531,553
Costs Capitalized Subsequent to Acquisition	588,478
Impairment/ Writedowns	(4,525)
Cost amount carried at Close of Period
Land	821,238
Buildings and Equipment	3,114,836
Total	3,936,074	$ 3,911,086	$ 3,522,143	$ 3,493,231
Accumulated Depreciation	$ (561,458)	$ (495,912)	$ (451,914)	$ (387,656)
445 Jan Davis Drive, Huntsville, AL
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 1,501
Buildings and Equipment	1,492
Costs Capitalized Subsequent to Acquisition	0
Cost amount carried at Close of Period
Land	1,501
Buildings and Equipment	1,492
Total	2,993
Accumulated Depreciation	$ (160)
131 Clayton Street, Montgomery, AL
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 920
Buildings and Equipment	9,084
Costs Capitalized Subsequent to Acquisition	417
Cost amount carried at Close of Period
Land	920
Buildings and Equipment	9,501
Total	10,421
Accumulated Depreciation	$ (2,690)
4344 Carmichael Road, Montgomery, AL
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 1,374
Buildings and Equipment	11,658
Costs Capitalized Subsequent to Acquisition	562
Cost amount carried at Close of Period
Land	1,374
Buildings and Equipment	12,220
Total	13,594
Accumulated Depreciation	$ (2,766)
15451 North 28th Avenue, Phoenix, AZ
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 1,917
Buildings and Equipment	7,416
Costs Capitalized Subsequent to Acquisition	765
Cost amount carried at Close of Period
Land	1,917
Buildings and Equipment	8,181
Total	10,098
Accumulated Depreciation	$ (1,756)
16001 North 28th Ave, Phoenix, AZ
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 3,355
Buildings and Equipment	412
Costs Capitalized Subsequent to Acquisition	1,146
Cost amount carried at Close of Period
Land	3,355
Buildings and Equipment	1,558
Total	4,913
Accumulated Depreciation	$ (273)
711 S 14th Ave, Safford, AZ
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 460
Buildings and Equipment	11,708
Costs Capitalized Subsequent to Acquisition	884
Impairment/ Writedowns	(4,440)
Cost amount carried at Close of Period
Land	364
Buildings and Equipment	8,248
Total	8,612
Accumulated Depreciation	$ (1,381)
Regents Center, Tempe, AZ
Real estate and accumulated depreciation
Number of Properties | property	2
Initial Cost to Company
Land	$ 4,121
Buildings and Equipment	3,042
Costs Capitalized Subsequent to Acquisition	293
Cost amount carried at Close of Period
Land	4,121
Buildings and Equipment	3,335
Total	7,456
Accumulated Depreciation	$ (660)
Campbell Place, Carlsbad, CA
Real estate and accumulated depreciation
Number of Properties | property	2
Initial Cost to Company
Land	$ 5,769
Buildings and Equipment	3,871
Costs Capitalized Subsequent to Acquisition	7,517
Cost amount carried at Close of Period
Land	5,769
Buildings and Equipment	11,388
Total	17,157
Accumulated Depreciation	$ (2,438)
Folsom Corporate Center, Folsom, CA
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 2,904
Buildings and Equipment	5,583
Costs Capitalized Subsequent to Acquisition	1,567
Cost amount carried at Close of Period
Land	2,904
Buildings and Equipment	7,150
Total	10,054
Accumulated Depreciation	$ (816)
Bayside Technology Park, Fremont, CA
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 10,784
Buildings and Equipment	648
Costs Capitalized Subsequent to Acquisition	198
Cost amount carried at Close of Period
Land	10,784
Buildings and Equipment	846
Total	11,630
Accumulated Depreciation	$ (110)
10949 N. Mather Boulevard, Rancho Cordova, CA
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 562
Buildings and Equipment	16,923
Costs Capitalized Subsequent to Acquisition	1,012
Cost amount carried at Close of Period
Land	562
Buildings and Equipment	17,935
Total	18,497
Accumulated Depreciation	$ (4,165)
11020 Sun Center Drive, Rancho Cordova, CA
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 1,466
Buildings and Equipment	8,797
Costs Capitalized Subsequent to Acquisition	1,409
Cost amount carried at Close of Period
Land	1,466
Buildings and Equipment	10,206
Total	11,672
Accumulated Depreciation	$ (1,827)
100 Redwood Shores Parkway, Redwood City, CA
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 14,454
Buildings and Equipment	7,721
Costs Capitalized Subsequent to Acquisition	0
Cost amount carried at Close of Period
Land	14,454
Buildings and Equipment	7,721
Total	22,175
Accumulated Depreciation	$ (857)
3875 Atherton Road, Rocklin, CA
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 177
Buildings and Equipment	853
Costs Capitalized Subsequent to Acquisition	23
Cost amount carried at Close of Period
Land	177
Buildings and Equipment	876
Total	1,053
Accumulated Depreciation	$ (95)
801 K Street, Sacramento, CA
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 4,688
Buildings and Equipment	61,994
Costs Capitalized Subsequent to Acquisition	9,465
Cost amount carried at Close of Period
Land	4,688
Buildings and Equipment	71,459
Total	76,147
Accumulated Depreciation	$ (12,968)
9815 Goethe Road, Sacramento, CA
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 1,450
Buildings and Equipment	9,465
Costs Capitalized Subsequent to Acquisition	1,603
Cost amount carried at Close of Period
Land	1,450
Buildings and Equipment	11,068
Total	12,518
Accumulated Depreciation	$ (3,109)
Capitol Place, Sacramento, CA
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 2,290
Buildings and Equipment	35,891
Costs Capitalized Subsequent to Acquisition	8,767
Cost amount carried at Close of Period
Land	2,290
Buildings and Equipment	44,658
Total	46,948
Accumulated Depreciation	$ (14,418)
4560 Viewridge Road, San Diego, CA
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 4,269
Buildings and Equipment	18,316
Costs Capitalized Subsequent to Acquisition	5,146
Cost amount carried at Close of Period
Land	4,347
Buildings and Equipment	23,384
Total	27,731
Accumulated Depreciation	$ (13,942)
2115 O'Nel Drive, San Jose, CA
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 12,305
Buildings and Equipment	5,062
Costs Capitalized Subsequent to Acquisition	350
Cost amount carried at Close of Period
Land	12,305
Buildings and Equipment	5,412
Total	17,717
Accumulated Depreciation	$ (587)
North First Street, San Jose, CA
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 8,311
Buildings and Equipment	4,003
Costs Capitalized Subsequent to Acquisition	411
Cost amount carried at Close of Period
Land	8,311
Buildings and Equipment	4,414
Total	12,725
Accumulated Depreciation	$ (572)
Rio Robles Drive, San Jose, CA
Real estate and accumulated depreciation
Number of Properties | property	3
Initial Cost to Company
Land	$ 23,687
Buildings and Equipment	13,698
Costs Capitalized Subsequent to Acquisition	12,637
Cost amount carried at Close of Period
Land	23,687
Buildings and Equipment	26,335
Total	50,022
Accumulated Depreciation	$ (2,332)
2450 and 2500 Walsh Avenue, Santa Clara, CA
Real estate and accumulated depreciation
Number of Properties | property	2
Initial Cost to Company
Land	$ 13,374
Buildings and Equipment	16,651
Costs Capitalized Subsequent to Acquisition	194
Cost amount carried at Close of Period
Land	13,374
Buildings and Equipment	16,845
Total	30,219
Accumulated Depreciation	$ (1,878)
3250 and 3260 Jay Street, Santa Clara, CA
Real estate and accumulated depreciation
Number of Properties | property	2
Initial Cost to Company
Land	$ 19,899
Buildings and Equipment	14,051
Costs Capitalized Subsequent to Acquisition	20
Cost amount carried at Close of Period
Land	19,899
Buildings and Equipment	14,071
Total	33,970
Accumulated Depreciation	$ (1,558)
603 San Juan Avenue, Stockton, CA
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 563
Buildings and Equipment	5,470
Costs Capitalized Subsequent to Acquisition	93
Cost amount carried at Close of Period
Land	563
Buildings and Equipment	5,563
Total	6,126
Accumulated Depreciation	$ (1,436)
350 West Java Drive, Sunnyvale, CA
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 24,609
Buildings and Equipment	462
Costs Capitalized Subsequent to Acquisition	408
Cost amount carried at Close of Period
Land	24,609
Buildings and Equipment	870
Total	25,479
Accumulated Depreciation	$ (93)
7958 South Chester Street, Centennial, CO
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 6,682
Buildings and Equipment	7,153
Costs Capitalized Subsequent to Acquisition	1,410
Cost amount carried at Close of Period
Land	6,682
Buildings and Equipment	8,563
Total	15,245
Accumulated Depreciation	$ (924)
350 Spectrum Loop, Colorado Springs, CO
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 3,650
Buildings and Equipment	7,732
Costs Capitalized Subsequent to Acquisition	573
Cost amount carried at Close of Period
Land	3,650
Buildings and Equipment	8,305
Total	11,955
Accumulated Depreciation	$ (933)
12795 West Alameda Parkway, Lakewood, CO
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 2,640
Buildings and Equipment	23,777
Costs Capitalized Subsequent to Acquisition	1,535
Cost amount carried at Close of Period
Land	2,640
Buildings and Equipment	25,312
Total	27,952
Accumulated Depreciation	$ (8,177)
Corporate Center, Lakewood, CO
Real estate and accumulated depreciation
Number of Properties | property	3
Initial Cost to Company
Land	$ 2,887
Buildings and Equipment	27,537
Costs Capitalized Subsequent to Acquisition	2,689
Cost amount carried at Close of Period
Land	2,887
Buildings and Equipment	30,226
Total	33,113
Accumulated Depreciation	$ (14,630)
11 Dupont Circle, NW, Washington DC
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 28,255
Buildings and Equipment	44,743
Costs Capitalized Subsequent to Acquisition	18,712
Cost amount carried at Close of Period
Land	28,255
Buildings and Equipment	63,455
Total	91,710
Accumulated Depreciation	$ (10,002)
1211 Connecticut Avenue, NW, Washington DC
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 30,388
Buildings and Equipment	24,667
Costs Capitalized Subsequent to Acquisition	3,871
Cost amount carried at Close of Period
Land	30,388
Buildings and Equipment	28,538
Total	58,926
Accumulated Depreciation	$ (4,681)
1401 K Street, NW, Washington DC
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 29,215
Buildings and Equipment	34,656
Costs Capitalized Subsequent to Acquisition	7,146
Cost amount carried at Close of Period
Land	29,215
Buildings and Equipment	41,802
Total	71,017
Accumulated Depreciation	$ (7,675)
20 Massachusetts Avenue, Washington DC
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 12,009
Buildings and Equipment	51,527
Costs Capitalized Subsequent to Acquisition	178,984
Cost amount carried at Close of Period
Land	12,231
Buildings and Equipment	230,289
Total	242,520
Accumulated Depreciation	$ (42,535)
440 First Street, NW, Washington DC
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 27,903
Buildings and Equipment	38,624
Costs Capitalized Subsequent to Acquisition	2,315
Cost amount carried at Close of Period
Land	27,903
Buildings and Equipment	40,939
Total	68,842
Accumulated Depreciation	$ (5,678)
625 Indiana Avenue, Washington DC
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 26,000
Buildings and Equipment	25,955
Costs Capitalized Subsequent to Acquisition	10,652
Cost amount carried at Close of Period
Land	26,000
Buildings and Equipment	36,607
Total	62,607
Accumulated Depreciation	$ (10,956)
840 First Street, NE, Washington DC
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 42,727
Buildings and Equipment	73,278
Costs Capitalized Subsequent to Acquisition	3,949
Cost amount carried at Close of Period
Land	42,727
Buildings and Equipment	77,227
Total	119,954
Accumulated Depreciation	$ (11,073)
10350 NW 112th Avenue, Miami, FL
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 4,798
Buildings and Equipment	2,757
Costs Capitalized Subsequent to Acquisition	1,903
Cost amount carried at Close of Period
Land	4,798
Buildings and Equipment	4,660
Total	9,458
Accumulated Depreciation	$ (441)
7850 Southwest 6th Court, Plantation, FL
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 4,800
Buildings and Equipment	30,592
Costs Capitalized Subsequent to Acquisition	1,167
Cost amount carried at Close of Period
Land	4,800
Buildings and Equipment	31,759
Total	36,559
Accumulated Depreciation	$ (9,022)
8900 Grand Oak Circle, Tampa, FL
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 1,100
Buildings and Equipment	11,773
Costs Capitalized Subsequent to Acquisition	1,142
Cost amount carried at Close of Period
Land	1,100
Buildings and Equipment	12,915
Total	14,015
Accumulated Depreciation	$ (3,830)
180 Ted Turner Drive SW, Atlanta, GA
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 5,717
Buildings and Equipment	20,017
Costs Capitalized Subsequent to Acquisition	726
Cost amount carried at Close of Period
Land	5,717
Buildings and Equipment	20,743
Total	26,460
Accumulated Depreciation	$ (5,401)
1224 Hammond Drive, Atlanta GA
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 13,040
Buildings and Equipment	135,459
Costs Capitalized Subsequent to Acquisition	11,627
Cost amount carried at Close of Period
Land	13,040
Buildings and Equipment	147,086
Total	160,126
Accumulated Depreciation	$ (6,189)
Corporate Square, Atlanta, GA
Real estate and accumulated depreciation
Number of Properties | property	5
Initial Cost to Company
Land	$ 3,996
Buildings and Equipment	29,762
Costs Capitalized Subsequent to Acquisition	28,076
Cost amount carried at Close of Period
Land	3,996
Buildings and Equipment	57,838
Total	61,834
Accumulated Depreciation	$ (20,701)
Executive Park, Atlanta, GA
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 1,521
Buildings and Equipment	11,826
Costs Capitalized Subsequent to Acquisition	4,123
Cost amount carried at Close of Period
Land	1,521
Buildings and Equipment	15,949
Total	17,470
Accumulated Depreciation	$ (8,424)
One Georgia Center, Atlanta, GA
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 10,250
Buildings and Equipment	27,933
Costs Capitalized Subsequent to Acquisition	18,781
Cost amount carried at Close of Period
Land	10,250
Buildings and Equipment	46,714
Total	56,964
Accumulated Depreciation	$ (11,782)
One Primerica Parkway, Duluth, GA
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 6,927
Buildings and Equipment	22,951
Costs Capitalized Subsequent to Acquisition	0
Cost amount carried at Close of Period
Land	6,927
Buildings and Equipment	22,951
Total	29,878
Accumulated Depreciation	$ (2,545)
4712 Southpark Boulevard, Ellenwood, GA
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 1,390
Buildings and Equipment	19,635
Costs Capitalized Subsequent to Acquisition	248
Cost amount carried at Close of Period
Land	1,390
Buildings and Equipment	19,883
Total	21,273
Accumulated Depreciation	$ (5,152)
8305 NW 62nd Avenue, Johnston, IA
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 2,649
Buildings and Equipment	7,997
Costs Capitalized Subsequent to Acquisition	0
Cost amount carried at Close of Period
Land	2,649
Buildings and Equipment	7,997
Total	10,646
Accumulated Depreciation	$ (887)
1185, 1249 & 1387 S. Vinnell Way, Boise, ID
Real estate and accumulated depreciation
Number of Properties | property	3
Initial Cost to Company
Land	$ 3,390
Buildings and Equipment	29,026
Costs Capitalized Subsequent to Acquisition	1,101
Cost amount carried at Close of Period
Land	3,390
Buildings and Equipment	30,127
Total	33,517
Accumulated Depreciation	$ (7,835)
2020 S. Arlington Heights, Arlington Heights, IL
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 1,450
Buildings and Equipment	13,588
Costs Capitalized Subsequent to Acquisition	2,139
Cost amount carried at Close of Period
Land	1,450
Buildings and Equipment	15,727
Total	17,177
Accumulated Depreciation	$ (4,654)
400 South Jefferson Street, Chicago, IL
Real estate and accumulated depreciation
Number of Properties | property	1
Encumbrances	$ 49,917
Initial Cost to Company
Land	19,379
Buildings and Equipment	20,115
Costs Capitalized Subsequent to Acquisition	783
Cost amount carried at Close of Period
Land	19,379
Buildings and Equipment	20,898
Total	40,277
Accumulated Depreciation	$ (2,381)
1000 W. Fulton, Chicago IL
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 42,935
Buildings and Equipment	252,914
Costs Capitalized Subsequent to Acquisition	94
Cost amount carried at Close of Period
Land	42,935
Buildings and Equipment	253,008
Total	295,943
Accumulated Depreciation	$ (12,816)
HUB 1415, Naperville IL
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 12,333
Buildings and Equipment	20,586
Costs Capitalized Subsequent to Acquisition	16,211
Cost amount carried at Close of Period
Land	12,333
Buildings and Equipment	36,797
Total	49,130
Accumulated Depreciation	$ (4,616)
440 North Fairway Drive, Vernon Hills, IL
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 4,465
Buildings and Equipment	441
Costs Capitalized Subsequent to Acquisition	10
Cost amount carried at Close of Period
Land	4,465
Buildings and Equipment	451
Total	4,916
Accumulated Depreciation	$ (51)
7601 and 7635 Interactive Way, Indianapolis, IN
Real estate and accumulated depreciation
Number of Properties | property	2
Initial Cost to Company
Land	$ 3,337
Buildings and Equipment	14,522
Costs Capitalized Subsequent to Acquisition	34
Cost amount carried at Close of Period
Land	3,337
Buildings and Equipment	14,556
Total	17,893
Accumulated Depreciation	$ (1,517)
Intech Park, Indianapolis, IN
Real estate and accumulated depreciation
Number of Properties | property	3
Initial Cost to Company
Land	$ 4,170
Buildings and Equipment	69,759
Costs Capitalized Subsequent to Acquisition	10,389
Cost amount carried at Close of Period
Land	4,170
Buildings and Equipment	80,148
Total	84,318
Accumulated Depreciation	$ (23,417)
7125 Industrial Road, Florence, KY
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 1,698
Buildings and Equipment	11,722
Costs Capitalized Subsequent to Acquisition	293
Cost amount carried at Close of Period
Land	1,698
Buildings and Equipment	12,015
Total	13,713
Accumulated Depreciation	$ (3,030)
251 Causeway Street, Boston, MA
Real estate and accumulated depreciation
Number of Properties | property	3
Initial Cost to Company
Land	$ 26,851
Buildings and Equipment	36,756
Costs Capitalized Subsequent to Acquisition	4,662
Cost amount carried at Close of Period
Land	26,851
Buildings and Equipment	41,418
Total	68,269
Accumulated Depreciation	$ (7,688)
300 Billerica road, Chelmsford, MA
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 2,223
Buildings and Equipment	0
Costs Capitalized Subsequent to Acquisition	45
Cost amount carried at Close of Period
Land	2,223
Buildings and Equipment	45
Total	2,268
Accumulated Depreciation	$ (13)
330 Billerica road, Chelmsford, MA
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 2,477
Buildings and Equipment	0
Costs Capitalized Subsequent to Acquisition	10,103
Cost amount carried at Close of Period
Land	2,477
Buildings and Equipment	10,103
Total	12,580
Accumulated Depreciation	$ (1,113)
75 Pleasant Street, Malden, MA
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 1,050
Buildings and Equipment	31,086
Costs Capitalized Subsequent to Acquisition	856
Cost amount carried at Close of Period
Land	1,050
Buildings and Equipment	31,942
Total	32,992
Accumulated Depreciation	$ (10,300)
25 Newport Avenue, Quincy, MA
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 2,700
Buildings and Equipment	9,199
Costs Capitalized Subsequent to Acquisition	2,143
Cost amount carried at Close of Period
Land	2,700
Buildings and Equipment	11,342
Total	14,042
Accumulated Depreciation	$ (3,154)
314 Littleton Road, Westford, MA
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 5,691
Buildings and Equipment	8,487
Costs Capitalized Subsequent to Acquisition	100
Cost amount carried at Close of Period
Land	5,691
Buildings and Equipment	8,587
Total	14,278
Accumulated Depreciation	$ (956)
Annapolis Commerce Center, Annapolis, MD
Real estate and accumulated depreciation
Number of Properties | property	2
Initial Cost to Company
Land	$ 4,057
Buildings and Equipment	7,665
Costs Capitalized Subsequent to Acquisition	4,628
Cost amount carried at Close of Period
Land	4,057
Buildings and Equipment	12,293
Total	16,350
Accumulated Depreciation	$ (1,679)
4201 Patterson Avenue, Baltimore, MD
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 901
Buildings and Equipment	8,097
Costs Capitalized Subsequent to Acquisition	4,134
Impairment/ Writedowns	(85)
Cost amount carried at Close of Period
Land	893
Buildings and Equipment	12,154
Total	13,047
Accumulated Depreciation	$ (6,744)
7001 Columbia Gateway Drive, Columbia, MD
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 5,642
Buildings and Equipment	10,352
Costs Capitalized Subsequent to Acquisition	569
Cost amount carried at Close of Period
Land	5,642
Buildings and Equipment	10,921
Total	16,563
Accumulated Depreciation	$ (1,271)
Hillside Center, Columbia, MD
Real estate and accumulated depreciation
Number of Properties | property	2
Initial Cost to Company
Land	$ 3,437
Buildings and Equipment	4,228
Costs Capitalized Subsequent to Acquisition	971
Cost amount carried at Close of Period
Land	3,437
Buildings and Equipment	5,199
Total	8,636
Accumulated Depreciation	$ (859)
TenThreeTwenty, Columbia, MD
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 3,126
Buildings and Equipment	16,361
Costs Capitalized Subsequent to Acquisition	3,681
Cost amount carried at Close of Period
Land	3,126
Buildings and Equipment	20,042
Total	23,168
Accumulated Depreciation	$ (2,782)
3300 75th Avenue, Landover, MD
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 4,110
Buildings and Equipment	36,371
Costs Capitalized Subsequent to Acquisition	3,302
Cost amount carried at Close of Period
Land	4,110
Buildings and Equipment	39,673
Total	43,783
Accumulated Depreciation	$ (12,615)
Redland 520/530, Rockville, MD
Real estate and accumulated depreciation
Number of Properties | property	3
Initial Cost to Company
Land	$ 12,714
Buildings and Equipment	61,377
Costs Capitalized Subsequent to Acquisition	6,951
Cost amount carried at Close of Period
Land	12,714
Buildings and Equipment	68,328
Total	81,042
Accumulated Depreciation	$ (8,937)
Redland 540, Rockville, MD
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 10,740
Buildings and Equipment	17,714
Costs Capitalized Subsequent to Acquisition	6,231
Cost amount carried at Close of Period
Land	10,740
Buildings and Equipment	23,945
Total	34,685
Accumulated Depreciation	$ (5,635)
Rutherford Business Park, Windsor Mill, MD
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 1,598
Buildings and Equipment	10,219
Costs Capitalized Subsequent to Acquisition	545
Cost amount carried at Close of Period
Land	1,598
Buildings and Equipment	10,764
Total	12,362
Accumulated Depreciation	$ (2,741)
3550 Green Court, Ann Arbor, MI
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 3,630
Buildings and Equipment	4,857
Costs Capitalized Subsequent to Acquisition	0
Cost amount carried at Close of Period
Land	3,630
Buildings and Equipment	4,857
Total	8,487
Accumulated Depreciation	$ (571)
11411 E. Jefferson Avenue, Detroit, MI
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 630
Buildings and Equipment	18,002
Costs Capitalized Subsequent to Acquisition	567
Cost amount carried at Close of Period
Land	630
Buildings and Equipment	18,569
Total	19,199
Accumulated Depreciation	$ (5,839)
Rosedale Corporate Plaza, Roseville, MN
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 672
Buildings and Equipment	6,045
Costs Capitalized Subsequent to Acquisition	1,547
Cost amount carried at Close of Period
Land	672
Buildings and Equipment	7,592
Total	8,264
Accumulated Depreciation	$ (4,636)
1300 Summit Street, Kansas City, MO
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 2,776
Buildings and Equipment	12,070
Costs Capitalized Subsequent to Acquisition	900
Cost amount carried at Close of Period
Land	2,776
Buildings and Equipment	12,970
Total	15,746
Accumulated Depreciation	$ (3,334)
2555 Grand Boulevard, Kansas City, MO
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 4,209
Buildings and Equipment	51,522
Costs Capitalized Subsequent to Acquisition	4,778
Cost amount carried at Close of Period
Land	4,209
Buildings and Equipment	56,300
Total	60,509
Accumulated Depreciation	$ (6,356)
4241 NE 34th Street, Kansas City, MO
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 1,133
Buildings and Equipment	5,649
Costs Capitalized Subsequent to Acquisition	4,908
Cost amount carried at Close of Period
Land	1,470
Buildings and Equipment	10,220
Total	11,690
Accumulated Depreciation	$ (5,127)
1220 Echelon Parkway, Jackson, MS
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 440
Buildings and Equipment	25,458
Costs Capitalized Subsequent to Acquisition	561
Cost amount carried at Close of Period
Land	440
Buildings and Equipment	26,019
Total	26,459
Accumulated Depreciation	$ (6,800)
2300 and 2400 Yorkmont Road, Charlotte, NC
Real estate and accumulated depreciation
Number of Properties | property	2
Initial Cost to Company
Land	$ 1,334
Buildings and Equipment	19,075
Costs Capitalized Subsequent to Acquisition	3,200
Cost amount carried at Close of Period
Land	1,334
Buildings and Equipment	22,275
Total	23,609
Accumulated Depreciation	$ (2,725)
18010 and 18020 Burt Street, Omaha, NE
Real estate and accumulated depreciation
Number of Properties | property	2
Initial Cost to Company
Land	$ 6,977
Buildings and Equipment	12,500
Costs Capitalized Subsequent to Acquisition	0
Cost amount carried at Close of Period
Land	6,977
Buildings and Equipment	12,500
Total	19,477
Accumulated Depreciation	$ (1,386)
500 Charles Ewing Boulevard, Ewing, NJ
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 4,808
Buildings and Equipment	26,002
Costs Capitalized Subsequent to Acquisition	281
Cost amount carried at Close of Period
Land	4,808
Buildings and Equipment	26,283
Total	31,091
Accumulated Depreciation	$ (2,883)
299 Jefferson Road, Parsippany, NJ
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 4,543
Buildings and Equipment	2,914
Costs Capitalized Subsequent to Acquisition	935
Cost amount carried at Close of Period
Land	4,543
Buildings and Equipment	3,849
Total	8,392
Accumulated Depreciation	$ (554)
One Jefferson Road, Parsippany, NJ
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 4,415
Buildings and Equipment	5,249
Costs Capitalized Subsequent to Acquisition	63
Cost amount carried at Close of Period
Land	4,415
Buildings and Equipment	5,312
Total	9,727
Accumulated Depreciation	$ (588)
Airline Corporate Center, Colonie, NY
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 790
Buildings and Equipment	6,400
Costs Capitalized Subsequent to Acquisition	1,827
Cost amount carried at Close of Period
Land	790
Buildings and Equipment	8,227
Total	9,017
Accumulated Depreciation	$ (1,876)
1212 Pittsford - Victor Road, Pittsford, NY
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 608
Buildings and Equipment	78
Costs Capitalized Subsequent to Acquisition	847
Cost amount carried at Close of Period
Land	608
Buildings and Equipment	925
Total	1,533
Accumulated Depreciation	$ (106)
2231 Schrock Road, Columbus, OH
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 716
Buildings and Equipment	217
Costs Capitalized Subsequent to Acquisition	578
Cost amount carried at Close of Period
Land	716
Buildings and Equipment	795
Total	1,511
Accumulated Depreciation	$ (98)
8800 Tinicum Boulevard, Philadelphia, PA
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 5,573
Buildings and Equipment	22,686
Costs Capitalized Subsequent to Acquisition	5,934
Cost amount carried at Close of Period
Land	5,573
Buildings and Equipment	28,620
Total	34,193
Accumulated Depreciation	$ (2,738)
446 Wrenplace Road, Fort Mill, SC
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 5,031
Buildings and Equipment	22,524
Costs Capitalized Subsequent to Acquisition	0
Cost amount carried at Close of Period
Land	5,031
Buildings and Equipment	22,524
Total	27,555
Accumulated Depreciation	$ (1,140)
9680 Old Bailes Road, Fort Mill, SC
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 834
Buildings and Equipment	2,944
Costs Capitalized Subsequent to Acquisition	53
Cost amount carried at Close of Period
Land	834
Buildings and Equipment	2,997
Total	3,831
Accumulated Depreciation	$ (333)
16001 North Dallas Parkway, Addison, TX
Real estate and accumulated depreciation
Number of Properties | property	2
Initial Cost to Company
Land	$ 10,282
Buildings and Equipment	63,071
Costs Capitalized Subsequent to Acquisition	1,911
Cost amount carried at Close of Period
Land	10,282
Buildings and Equipment	64,982
Total	75,264
Accumulated Depreciation	$ (7,529)
Research Park, Austin, TX
Real estate and accumulated depreciation
Number of Properties | property	2
Initial Cost to Company
Land	$ 4,258
Buildings and Equipment	13,747
Costs Capitalized Subsequent to Acquisition	199
Cost amount carried at Close of Period
Land	4,258
Buildings and Equipment	13,946
Total	18,204
Accumulated Depreciation	$ (2,787)
10451 Clay Road, Houston, TX
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 5,495
Buildings and Equipment	10,253
Costs Capitalized Subsequent to Acquisition	2,432
Cost amount carried at Close of Period
Land	5,495
Buildings and Equipment	12,685
Total	18,180
Accumulated Depreciation	$ (1,139)
202 North Castlegory Road, Houston, TX
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 863
Buildings and Equipment	5,024
Costs Capitalized Subsequent to Acquisition	8
Cost amount carried at Close of Period
Land	863
Buildings and Equipment	5,032
Total	5,895
Accumulated Depreciation	$ (524)
4221 W. John Carpenter Freeway, Irving, TX
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 1,413
Buildings and Equipment	2,365
Costs Capitalized Subsequent to Acquisition	1,843
Cost amount carried at Close of Period
Land	1,413
Buildings and Equipment	4,208
Total	5,621
Accumulated Depreciation	$ (1,091)
8675, 8701-8711 Freeport Pkwy and 8901 Esters Boulevard, Irving, TX
Real estate and accumulated depreciation
Number of Properties | property	3
Initial Cost to Company
Land	$ 10,185
Buildings and Equipment	31,566
Costs Capitalized Subsequent to Acquisition	68
Cost amount carried at Close of Period
Land	10,185
Buildings and Equipment	31,634
Total	41,819
Accumulated Depreciation	$ (3,500)
1511 East Common Street, New Braunfels, TX
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 4,965
Buildings and Equipment	1,266
Costs Capitalized Subsequent to Acquisition	251
Cost amount carried at Close of Period
Land	4,965
Buildings and Equipment	1,517
Total	6,482
Accumulated Depreciation	$ (223)
2900 West Plano Parkway, Plano, TX
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 6,819
Buildings and Equipment	8,831
Costs Capitalized Subsequent to Acquisition	0
Cost amount carried at Close of Period
Land	6,819
Buildings and Equipment	8,831
Total	15,650
Accumulated Depreciation	$ (979)
3400 West Plano Parkway, Plano, TX
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 4,543
Buildings and Equipment	15,964
Costs Capitalized Subsequent to Acquisition	321
Cost amount carried at Close of Period
Land	4,543
Buildings and Equipment	16,285
Total	20,828
Accumulated Depreciation	$ (1,828)
3600 Weismann Boulevard, San Antonio, TX
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 3,493
Buildings and Equipment	6,662
Costs Capitalized Subsequent to Acquisition	3,309
Cost amount carried at Close of Period
Land	3,493
Buildings and Equipment	9,971
Total	13,464
Accumulated Depreciation	$ (1,714)
701 Clay Road, Waco, TX
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 2,030
Buildings and Equipment	8,708
Costs Capitalized Subsequent to Acquisition	14,479
Cost amount carried at Close of Period
Land	2,060
Buildings and Equipment	23,157
Total	25,217
Accumulated Depreciation	$ (8,473)
1800 Novell Place, Provo, UT
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 7,487
Buildings and Equipment	43,487
Costs Capitalized Subsequent to Acquisition	11,404
Cost amount carried at Close of Period
Land	7,487
Buildings and Equipment	54,891
Total	62,378
Accumulated Depreciation	$ (5,233)
4885-4931 North 300 West, Provo, UT
Real estate and accumulated depreciation
Number of Properties | property	2
Initial Cost to Company
Land	$ 3,915
Buildings and Equipment	9,429
Costs Capitalized Subsequent to Acquisition	21
Cost amount carried at Close of Period
Land	3,915
Buildings and Equipment	9,450
Total	13,365
Accumulated Depreciation	$ (1,113)
14660, 14672 and 14668 Lee Road, Chantilly, VA
Real estate and accumulated depreciation
Number of Properties | property	3
Initial Cost to Company
Land	$ 6,966
Buildings and Equipment	74,214
Costs Capitalized Subsequent to Acquisition	7,567
Cost amount carried at Close of Period
Land	6,966
Buildings and Equipment	81,781
Total	88,747
Accumulated Depreciation	$ (12,503)
Enterchange At Meadowville, Chester, VA
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 1,478
Buildings and Equipment	9,594
Costs Capitalized Subsequent to Acquisition	1,369
Cost amount carried at Close of Period
Land	1,478
Buildings and Equipment	10,963
Total	12,441
Accumulated Depreciation	$ (2,367)
7987 Ashton Avenue, Manassas, VA
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 1,562
Buildings and Equipment	8,253
Costs Capitalized Subsequent to Acquisition	1,069
Cost amount carried at Close of Period
Land	1,562
Buildings and Equipment	9,322
Total	10,884
Accumulated Depreciation	$ (1,628)
Two Commercial Place, Norfolk, VA
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 4,494
Buildings and Equipment	21,508
Costs Capitalized Subsequent to Acquisition	780
Cost amount carried at Close of Period
Land	4,494
Buildings and Equipment	22,288
Total	26,782
Accumulated Depreciation	$ (2,350)
1759 Business Center Drive, Reston, VA
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 4,033
Buildings and Equipment	28,517
Costs Capitalized Subsequent to Acquisition	1,562
Cost amount carried at Close of Period
Land	4,033
Buildings and Equipment	30,079
Total	34,112
Accumulated Depreciation	$ (6,349)
1760 Business Center Drive, Reston, VA
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 5,033
Buildings and Equipment	50,141
Costs Capitalized Subsequent to Acquisition	6,251
Cost amount carried at Close of Period
Land	5,033
Buildings and Equipment	56,392
Total	61,425
Accumulated Depreciation	$ (11,959)
1775 Wiehle Avenue, Reston, VA
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 4,138
Buildings and Equipment	26,120
Costs Capitalized Subsequent to Acquisition	4,552
Cost amount carried at Close of Period
Land	4,138
Buildings and Equipment	30,672
Total	34,810
Accumulated Depreciation	$ (4,218)
9201 Forest Hill Avenue, Richmond, VA
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 1,344
Buildings and Equipment	375
Costs Capitalized Subsequent to Acquisition	580
Cost amount carried at Close of Period
Land	1,344
Buildings and Equipment	955
Total	2,299
Accumulated Depreciation	$ (165)
9960 Mayland Drive, Richmond, VA
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 2,614
Buildings and Equipment	15,930
Costs Capitalized Subsequent to Acquisition	3,812
Cost amount carried at Close of Period
Land	2,614
Buildings and Equipment	19,742
Total	22,356
Accumulated Depreciation	$ (4,402)
1751 Blue Hills Drive, Roanoke, VA
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 2,689
Buildings and Equipment	7,761
Costs Capitalized Subsequent to Acquisition	0
Cost amount carried at Close of Period
Land	2,689
Buildings and Equipment	7,761
Total	10,450
Accumulated Depreciation	$ (861)
Atlantic Corporate Park, Sterling, VA
Real estate and accumulated depreciation
Number of Properties | property	2
Initial Cost to Company
Land	$ 5,752
Buildings and Equipment	29,316
Costs Capitalized Subsequent to Acquisition	2,885
Cost amount carried at Close of Period
Land	5,752
Buildings and Equipment	32,201
Total	37,953
Accumulated Depreciation	$ (4,536)
Orbital Sciences Campus, Sterling, VA
Real estate and accumulated depreciation
Number of Properties | property	3
Initial Cost to Company
Land	$ 12,275
Buildings and Equipment	19,320
Costs Capitalized Subsequent to Acquisition	1,876
Cost amount carried at Close of Period
Land	12,275
Buildings and Equipment	21,196
Total	33,471
Accumulated Depreciation	$ (2,429)
Sterling Park Business Center, Sterling, VA
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 5,871
Buildings and Equipment	44,324
Costs Capitalized Subsequent to Acquisition	109
Cost amount carried at Close of Period
Land	5,871
Buildings and Equipment	44,433
Total	50,304
Accumulated Depreciation	$ (5,832)
65 Bowdoin Street, S. Burlington VT
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 700
Buildings and Equipment	8,416
Costs Capitalized Subsequent to Acquisition	140
Cost amount carried at Close of Period
Land	700
Buildings and Equipment	8,556
Total	9,256
Accumulated Depreciation	$ (2,742)
Stevens Center, Richland, WA
Real estate and accumulated depreciation
Number of Properties | property	2
Initial Cost to Company
Land	$ 3,970
Buildings and Equipment	17,035
Costs Capitalized Subsequent to Acquisition	4,737
Cost amount carried at Close of Period
Land	4,042
Buildings and Equipment	21,700
Total	25,742
Accumulated Depreciation	$ (12,262)
Unison Elliott Bay-Lab Space, Seattle, WA
Real estate and accumulated depreciation
Number of Properties | property	2
Initial Cost to Company
Land	$ 17,316
Buildings and Equipment	34,281
Costs Capitalized Subsequent to Acquisition	49,266
Cost amount carried at Close of Period
Land	17,316
Buildings and Equipment	83,547
Total	100,863
Accumulated Depreciation	$ (4,180)
Unison Elliott Bay-Office Space, Seattle, WA
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 9,324
Buildings and Equipment	18,459
Costs Capitalized Subsequent to Acquisition	2,122
Cost amount carried at Close of Period
Land	9,324
Buildings and Equipment	20,581
Total	29,905
Accumulated Depreciation	$ (2,251)
5353 Yellowstone Road, Cheyenne, WY
Real estate and accumulated depreciation
Number of Properties | property	1
Initial Cost to Company
Land	$ 1,915
Buildings and Equipment	8,217
Costs Capitalized Subsequent to Acquisition	2,085
Cost amount carried at Close of Period
Land	1,950
Buildings and Equipment	10,267
Total	12,217
Accumulated Depreciation	$ (5,872)
Properties Held for Sale
Real estate and accumulated depreciation
Number of Properties | property	3
Encumbrances	$ 0
Initial Cost to Company
Land	913
Buildings and Equipment	1,099
Costs Capitalized Subsequent to Acquisition	572
Impairment/ Writedowns	0
Cost amount carried at Close of Period
Land	913
Buildings and Equipment	1,671
Total	2,584
Accumulated Depreciation	$ (188)
Properties Held for Sale | Parham Place, Richmond, VA
Real estate and accumulated depreciation
Number of Properties | building	3
Initial Cost to Company
Land	$ 913
Buildings and Equipment	1,099
Costs Capitalized Subsequent to Acquisition	572
Impairment/ Writedowns	0
Cost amount carried at Close of Period
Land	913
Buildings and Equipment	1,671
Total	2,584
Accumulated Depreciation	$ (188)
Total Real Estate Assets
Real estate and accumulated depreciation
Number of Properties | property	160
Encumbrances	$ 49,917
Initial Cost to Company
Land	821,481
Buildings and Equipment	2,532,652
Costs Capitalized Subsequent to Acquisition	589,050
Impairment/ Writedowns	(4,525)
Cost amount carried at Close of Period
Land	822,151
Buildings and Equipment	3,116,507
Total	3,938,658
Accumulated Depreciation	$ (561,646)