Schedule III: Real Estate and Accumulated Depreciation - Details of Real Estate and Accumulated Depreciation (Lab) (Details) $ in Thousands	Dec. 31, 2024 USD ($)
Held-for-sale
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	$ 0
Initial Cost to Company
Land and improvements	4,141
Building and Improvements	20,364
Costs Capitalized Subsequent to Acquisition	(13,844)
Gross Amount at Which Carried As of Year End
Land and improvements	4,141
Buildings and Improvements	6,520
Total	10,661
Accumulated Depreciation	(2,821)
Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	356,750
Initial Cost to Company
Land and improvements	2,887,257
Building and Improvements	11,334,757
Costs Capitalized Subsequent to Acquisition	5,692,420
Gross Amount at Which Carried As of Year End
Land and improvements	2,918,758
Buildings and Improvements	16,995,676
Total	19,914,434
Accumulated Depreciation	(4,083,030)
Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	1,874,225
Building and Improvements	3,195,605
Costs Capitalized Subsequent to Acquisition	3,742,955
Gross Amount at Which Carried As of Year End
Land and improvements	1,877,701
Buildings and Improvements	6,935,084
Total	8,812,785
Accumulated Depreciation	(1,644,660)
1483 Brisbane, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	8,498
Building and Improvements	500
Costs Capitalized Subsequent to Acquisition	83,876
Gross Amount at Which Carried As of Year End
Land and improvements	8,498
Buildings and Improvements	84,376
Total	92,874
Accumulated Depreciation	(9,494)
1484 Brisbane, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	11,331
Building and Improvements	689
Costs Capitalized Subsequent to Acquisition	159,655
Gross Amount at Which Carried As of Year End
Land and improvements	11,331
Buildings and Improvements	160,344
Total	171,675
Accumulated Depreciation	(15,892)
1485 Brisbane, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	11,331
Building and Improvements	600
Costs Capitalized Subsequent to Acquisition	154,111
Gross Amount at Which Carried As of Year End
Land and improvements	11,331
Buildings and Improvements	154,711
Total	166,042
Accumulated Depreciation	(17,187)
1486 Brisbane, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	11,331
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	135,416
Gross Amount at Which Carried As of Year End
Land and improvements	11,331
Buildings and Improvements	135,416
Total	146,747
Accumulated Depreciation	(28,636)
1487 Brisbane, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	8,498
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	76,411
Gross Amount at Which Carried As of Year End
Land and improvements	8,498
Buildings and Improvements	76,411
Total	84,909
Accumulated Depreciation	(9,682)
2874 Brisbane, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	26,895
Building and Improvements	62,318
Costs Capitalized Subsequent to Acquisition	76,313
Gross Amount at Which Carried As of Year End
Land and improvements	26,295
Buildings and Improvements	139,231
Total	165,526
Accumulated Depreciation	(16,804)
2875 Brisbane, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	24,092
Building and Improvements	56,623
Costs Capitalized Subsequent to Acquisition	11,039
Gross Amount at Which Carried As of Year End
Land and improvements	24,092
Buildings and Improvements	67,662
Total	91,754
Accumulated Depreciation	(10,300)
3139 Brisbane, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	35,805
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	7,726
Gross Amount at Which Carried As of Year End
Land and improvements	35,805
Buildings and Improvements	7,726
Total	43,531
Accumulated Depreciation	0
3140 Brisbane, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	35,805
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	4,312
Gross Amount at Which Carried As of Year End
Land and improvements	35,805
Buildings and Improvements	4,312
Total	40,117
Accumulated Depreciation	0
3142 Brisbane, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	0
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	3,768
Gross Amount at Which Carried As of Year End
Land and improvements	0
Buildings and Improvements	3,768
Total	3,768
Accumulated Depreciation	(471)
1401 Hayward, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	900
Building and Improvements	7,100
Costs Capitalized Subsequent to Acquisition	12,656
Gross Amount at Which Carried As of Year End
Land and improvements	1,338
Buildings and Improvements	19,318
Total	20,656
Accumulated Depreciation	(7,075)
1402 Hayward, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	1,500
Building and Improvements	6,400
Costs Capitalized Subsequent to Acquisition	6,837
Gross Amount at Which Carried As of Year End
Land and improvements	1,500
Buildings and Improvements	13,237
Total	14,737
Accumulated Depreciation	(3,865)
1403 Hayward, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	1,900
Building and Improvements	7,100
Costs Capitalized Subsequent to Acquisition	7,873
Gross Amount at Which Carried As of Year End
Land and improvements	1,900
Buildings and Improvements	14,973
Total	16,873
Accumulated Depreciation	(6,858)
1404 Hayward, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	2,200
Building and Improvements	17,200
Costs Capitalized Subsequent to Acquisition	9,007
Gross Amount at Which Carried As of Year End
Land and improvements	2,200
Buildings and Improvements	26,207
Total	28,407
Accumulated Depreciation	(11,504)
1405 Hayward, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	1,000
Building and Improvements	3,200
Costs Capitalized Subsequent to Acquisition	646
Gross Amount at Which Carried As of Year End
Land and improvements	1,000
Buildings and Improvements	3,846
Total	4,846
Accumulated Depreciation	(1,805)
1549 Hayward, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	1,006
Building and Improvements	4,259
Costs Capitalized Subsequent to Acquisition	4,080
Gross Amount at Which Carried As of Year End
Land and improvements	1,006
Buildings and Improvements	8,339
Total	9,345
Accumulated Depreciation	(4,984)
1550 Hayward, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	677
Building and Improvements	2,761
Costs Capitalized Subsequent to Acquisition	774
Gross Amount at Which Carried As of Year End
Land and improvements	677
Buildings and Improvements	3,535
Total	4,212
Accumulated Depreciation	(2,174)
1551 Hayward, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	661
Building and Improvements	1,995
Costs Capitalized Subsequent to Acquisition	2,900
Gross Amount at Which Carried As of Year End
Land and improvements	661
Buildings and Improvements	4,895
Total	5,556
Accumulated Depreciation	(2,111)
1552 Hayward, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	1,187
Building and Improvements	7,139
Costs Capitalized Subsequent to Acquisition	1,725
Gross Amount at Which Carried As of Year End
Land and improvements	1,187
Buildings and Improvements	8,864
Total	10,051
Accumulated Depreciation	(6,135)
1553 Hayward, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	1,189
Building and Improvements	9,465
Costs Capitalized Subsequent to Acquisition	1,045
Gross Amount at Which Carried As of Year End
Land and improvements	1,189
Buildings and Improvements	10,510
Total	11,699
Accumulated Depreciation	(7,258)
1554 Hayward, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	1,246
Building and Improvements	5,179
Costs Capitalized Subsequent to Acquisition	11,972
Gross Amount at Which Carried As of Year End
Land and improvements	1,246
Buildings and Improvements	17,151
Total	18,397
Accumulated Depreciation	(7,808)
1555 Hayward, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	1,521
Building and Improvements	13,546
Costs Capitalized Subsequent to Acquisition	7,516
Gross Amount at Which Carried As of Year End
Land and improvements	1,521
Buildings and Improvements	21,062
Total	22,583
Accumulated Depreciation	(15,597)
1556 Hayward, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	1,212
Building and Improvements	5,120
Costs Capitalized Subsequent to Acquisition	1,516
Gross Amount at Which Carried As of Year End
Land and improvements	1,212
Buildings and Improvements	6,636
Total	7,848
Accumulated Depreciation	(4,134)
1424 La Jolla, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	11,175
Building and Improvements	25,283
Costs Capitalized Subsequent to Acquisition	44,524
Gross Amount at Which Carried As of Year End
Land and improvements	11,389
Buildings and Improvements	69,593
Total	80,982
Accumulated Depreciation	(20,050)
1425 La Jolla, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	7,217
Building and Improvements	19,883
Costs Capitalized Subsequent to Acquisition	61
Gross Amount at Which Carried As of Year End
Land and improvements	7,217
Buildings and Improvements	19,944
Total	27,161
Accumulated Depreciation	(8,695)
1426 La Jolla, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	8,381
Building and Improvements	12,412
Costs Capitalized Subsequent to Acquisition	20,834
Gross Amount at Which Carried As of Year End
Land and improvements	8,381
Buildings and Improvements	33,246
Total	41,627
Accumulated Depreciation	(17,322)
1427 La Jolla, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	10,127
Building and Improvements	16,983
Costs Capitalized Subsequent to Acquisition	13,272
Gross Amount at Which Carried As of Year End
Land and improvements	10,355
Buildings and Improvements	30,027
Total	40,382
Accumulated Depreciation	(11,912)
1949 La Jolla, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	2,686
Building and Improvements	11,045
Costs Capitalized Subsequent to Acquisition	17,501
Gross Amount at Which Carried As of Year End
Land and improvements	2,686
Buildings and Improvements	28,546
Total	31,232
Accumulated Depreciation	(9,932)
2229 La Jolla, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	8,753
Building and Improvements	32,528
Costs Capitalized Subsequent to Acquisition	16,664
Gross Amount at Which Carried As of Year End
Land and improvements	8,777
Buildings and Improvements	49,168
Total	57,945
Accumulated Depreciation	(15,310)
1499 Redwood City, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	3,400
Building and Improvements	5,500
Costs Capitalized Subsequent to Acquisition	2,652
Gross Amount at Which Carried As of Year End
Land and improvements	3,455
Buildings and Improvements	8,097
Total	11,552
Accumulated Depreciation	(3,743)
1500 Redwood City, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	2,500
Building and Improvements	4,100
Costs Capitalized Subsequent to Acquisition	1,038
Gross Amount at Which Carried As of Year End
Land and improvements	2,500
Buildings and Improvements	5,138
Total	7,638
Accumulated Depreciation	(2,678)
1501 Redwood City, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	3,600
Building and Improvements	4,600
Costs Capitalized Subsequent to Acquisition	1,895
Gross Amount at Which Carried As of Year End
Land and improvements	3,600
Buildings and Improvements	6,495
Total	10,095
Accumulated Depreciation	(3,705)
1502 Redwood City, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	3,100
Building and Improvements	5,100
Costs Capitalized Subsequent to Acquisition	3,542
Gross Amount at Which Carried As of Year End
Land and improvements	3,100
Buildings and Improvements	8,642
Total	11,742
Accumulated Depreciation	(3,548)
1503 Redwood City, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	4,800
Building and Improvements	17,300
Costs Capitalized Subsequent to Acquisition	8,351
Gross Amount at Which Carried As of Year End
Land and improvements	4,800
Buildings and Improvements	25,651
Total	30,451
Accumulated Depreciation	(10,467)
1504 Redwood City, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	5,400
Building and Improvements	15,500
Costs Capitalized Subsequent to Acquisition	11,098
Gross Amount at Which Carried As of Year End
Land and improvements	5,400
Buildings and Improvements	26,598
Total	31,998
Accumulated Depreciation	(12,781)
1505 Redwood City, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	3,000
Building and Improvements	3,500
Costs Capitalized Subsequent to Acquisition	6,366
Gross Amount at Which Carried As of Year End
Land and improvements	3,000
Buildings and Improvements	9,866
Total	12,866
Accumulated Depreciation	(4,028)
1506 Redwood City, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	6,000
Building and Improvements	14,300
Costs Capitalized Subsequent to Acquisition	14,300
Gross Amount at Which Carried As of Year End
Land and improvements	6,000
Buildings and Improvements	28,600
Total	34,600
Accumulated Depreciation	(17,972)
1507 Redwood City, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	1,900
Building and Improvements	12,800
Costs Capitalized Subsequent to Acquisition	11,655
Gross Amount at Which Carried As of Year End
Land and improvements	1,900
Buildings and Improvements	24,455
Total	26,355
Accumulated Depreciation	(8,804)
1508 Redwood City, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	2,700
Building and Improvements	11,300
Costs Capitalized Subsequent to Acquisition	17,193
Gross Amount at Which Carried As of Year End
Land and improvements	2,700
Buildings and Improvements	28,493
Total	31,193
Accumulated Depreciation	(11,068)
1509 Redwood City, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	2,700
Building and Improvements	10,900
Costs Capitalized Subsequent to Acquisition	1,565
Gross Amount at Which Carried As of Year End
Land and improvements	2,700
Buildings and Improvements	12,465
Total	15,165
Accumulated Depreciation	(5,360)
1510 Redwood City, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	2,200
Building and Improvements	12,000
Costs Capitalized Subsequent to Acquisition	6,243
Gross Amount at Which Carried As of Year End
Land and improvements	2,200
Buildings and Improvements	18,243
Total	20,443
Accumulated Depreciation	(8,259)
1511 Redwood City, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	2,600
Building and Improvements	9,300
Costs Capitalized Subsequent to Acquisition	17,497
Gross Amount at Which Carried As of Year End
Land and improvements	2,600
Buildings and Improvements	26,797
Total	29,397
Accumulated Depreciation	(14,437)
1512 Redwood City, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	3,300
Building and Improvements	18,000
Costs Capitalized Subsequent to Acquisition	19,072
Gross Amount at Which Carried As of Year End
Land and improvements	3,300
Buildings and Improvements	37,072
Total	40,372
Accumulated Depreciation	(21,007)
1513 Redwood City, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	3,300
Building and Improvements	17,900
Costs Capitalized Subsequent to Acquisition	18,365
Gross Amount at Which Carried As of Year End
Land and improvements	3,326
Buildings and Improvements	36,239
Total	39,565
Accumulated Depreciation	(18,383)
678 San Diego, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	2,603
Building and Improvements	11,051
Costs Capitalized Subsequent to Acquisition	3,587
Gross Amount at Which Carried As of Year End
Land and improvements	2,766
Buildings and Improvements	14,475
Total	17,241
Accumulated Depreciation	(7,299)
679 San Diego CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	5,269
Building and Improvements	23,566
Costs Capitalized Subsequent to Acquisition	23,990
Gross Amount at Which Carried As of Year End
Land and improvements	5,669
Buildings and Improvements	47,156
Total	52,825
Accumulated Depreciation	(20,424)
837 San Diego, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	4,630
Building and Improvements	2,028
Costs Capitalized Subsequent to Acquisition	3,302
Gross Amount at Which Carried As of Year End
Land and improvements	4,630
Buildings and Improvements	5,330
Total	9,960
Accumulated Depreciation	(2,648)
838 San Diego, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	2,040
Building and Improvements	903
Costs Capitalized Subsequent to Acquisition	3,354
Gross Amount at Which Carried As of Year End
Land and improvements	2,040
Buildings and Improvements	4,257
Total	6,297
Accumulated Depreciation	(1,439)
839 San Diego, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	3,940
Building and Improvements	3,184
Costs Capitalized Subsequent to Acquisition	2,995
Gross Amount at Which Carried As of Year End
Land and improvements	4,036
Buildings and Improvements	6,083
Total	10,119
Accumulated Depreciation	(2,847)
840 San Diego, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	5,690
Building and Improvements	4,579
Costs Capitalized Subsequent to Acquisition	1,486
Gross Amount at Which Carried As of Year End
Land and improvements	5,830
Buildings and Improvements	5,925
Total	11,755
Accumulated Depreciation	(2,789)
1418 San Diego, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	11,700
Building and Improvements	31,243
Costs Capitalized Subsequent to Acquisition	59,338
Gross Amount at Which Carried As of Year End
Land and improvements	11,700
Buildings and Improvements	90,581
Total	102,281
Accumulated Depreciation	(21,029)
1419 San Diego, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	2,324
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	33,175
Gross Amount at Which Carried As of Year End
Land and improvements	2,324
Buildings and Improvements	33,175
Total	35,499
Accumulated Depreciation	(4,422)
1420 San Diego, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	4,200
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	41,225
Gross Amount at Which Carried As of Year End
Land and improvements	4,200
Buildings and Improvements	41,225
Total	45,425
Accumulated Depreciation	(3,755)
1421 San Diego, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	7,000
Building and Improvements	33,779
Costs Capitalized Subsequent to Acquisition	0
Gross Amount at Which Carried As of Year End
Land and improvements	7,000
Buildings and Improvements	33,779
Total	40,779
Accumulated Depreciation	(14,708)
1422 San Diego, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	7,179
Building and Improvements	3,687
Costs Capitalized Subsequent to Acquisition	2,081
Gross Amount at Which Carried As of Year End
Land and improvements	7,179
Buildings and Improvements	5,768
Total	12,947
Accumulated Depreciation	(3,687)
1423 San Diego CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	8,400
Building and Improvements	33,144
Costs Capitalized Subsequent to Acquisition	34,028
Gross Amount at Which Carried As of Year End
Land and improvements	8,400
Buildings and Improvements	67,172
Total	75,572
Accumulated Depreciation	(24,422)
1947 San Diego, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	2,581
Building and Improvements	10,534
Costs Capitalized Subsequent to Acquisition	4,497
Gross Amount at Which Carried As of Year End
Land and improvements	2,581
Buildings and Improvements	15,031
Total	17,612
Accumulated Depreciation	(8,664)
1948 San Diego, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	5,879
Building and Improvements	25,305
Costs Capitalized Subsequent to Acquisition	8,311
Gross Amount at Which Carried As of Year End
Land and improvements	5,879
Buildings and Improvements	33,616
Total	39,495
Accumulated Depreciation	(14,802)
2197 San Diego, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	7,621
Building and Improvements	3,913
Costs Capitalized Subsequent to Acquisition	7,590
Gross Amount at Which Carried As of Year End
Land and improvements	7,621
Buildings and Improvements	11,503
Total	19,124
Accumulated Depreciation	(7,733)
2476 San Diego, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	7,661
Building and Improvements	9,918
Costs Capitalized Subsequent to Acquisition	18,298
Gross Amount at Which Carried As of Year End
Land and improvements	7,661
Buildings and Improvements	28,216
Total	35,877
Accumulated Depreciation	(4,442)
2477 San Diego, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	9,207
Building and Improvements	14,613
Costs Capitalized Subsequent to Acquisition	8,481
Gross Amount at Which Carried As of Year End
Land and improvements	9,207
Buildings and Improvements	23,094
Total	32,301
Accumulated Depreciation	(6,775)
2478 San Diego, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	6,000
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	120,761
Gross Amount at Which Carried As of Year End
Land and improvements	6,000
Buildings and Improvements	120,761
Total	126,761
Accumulated Depreciation	0
2617 San Diego, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	2,734
Building and Improvements	5,195
Costs Capitalized Subsequent to Acquisition	9,363
Gross Amount at Which Carried As of Year End
Land and improvements	2,734
Buildings and Improvements	14,558
Total	17,292
Accumulated Depreciation	(4,106)
2618 San Diego, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	4,100
Building and Improvements	12,395
Costs Capitalized Subsequent to Acquisition	22,843
Gross Amount at Which Carried As of Year End
Land and improvements	4,100
Buildings and Improvements	35,238
Total	39,338
Accumulated Depreciation	(14,493)
2622 San Diego, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	0
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	17,201
Gross Amount at Which Carried As of Year End
Land and improvements	0
Buildings and Improvements	17,201
Total	17,201
Accumulated Depreciation	(2,091)
2872 San Diego, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	10,120
Building and Improvements	38,351
Costs Capitalized Subsequent to Acquisition	1,044
Gross Amount at Which Carried As of Year End
Land and improvements	10,120
Buildings and Improvements	39,395
Total	49,515
Accumulated Depreciation	(9,481)
2873 San Diego, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	6,052
Building and Improvements	14,122
Costs Capitalized Subsequent to Acquisition	1,445
Gross Amount at Which Carried As of Year End
Land and improvements	6,052
Buildings and Improvements	15,567
Total	21,619
Accumulated Depreciation	(2,941)
3069 San Diego, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	7,054
Building and Improvements	7,794
Costs Capitalized Subsequent to Acquisition	24,081
Gross Amount at Which Carried As of Year End
Land and improvements	6,954
Buildings and Improvements	31,975
Total	38,929
Accumulated Depreciation	(4,467)
3110 San Diego, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	19,120
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	9,373
Gross Amount at Which Carried As of Year End
Land and improvements	20,587
Buildings and Improvements	7,906
Total	28,493
Accumulated Depreciation	(14)
3111 San Diego, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	24,729
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	2,141
Gross Amount at Which Carried As of Year End
Land and improvements	24,830
Buildings and Improvements	2,040
Total	26,870
Accumulated Depreciation	(18)
3153 San Diego, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	1,215
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	15
Gross Amount at Which Carried As of Year End
Land and improvements	1,217
Buildings and Improvements	13
Total	1,230
Accumulated Depreciation	0
1410 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	4,900
Building and Improvements	18,100
Costs Capitalized Subsequent to Acquisition	12,327
Gross Amount at Which Carried As of Year End
Land and improvements	4,900
Buildings and Improvements	30,427
Total	35,327
Accumulated Depreciation	(16,142)
1411 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	8,000
Building and Improvements	27,700
Costs Capitalized Subsequent to Acquisition	33,196
Gross Amount at Which Carried As of Year End
Land and improvements	8,000
Buildings and Improvements	60,896
Total	68,896
Accumulated Depreciation	(21,778)
1412 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	10,100
Building and Improvements	22,521
Costs Capitalized Subsequent to Acquisition	10,501
Gross Amount at Which Carried As of Year End
Land and improvements	10,100
Buildings and Improvements	33,022
Total	43,122
Accumulated Depreciation	(14,123)
1413 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	8,000
Building and Improvements	28,299
Costs Capitalized Subsequent to Acquisition	8,603
Gross Amount at Which Carried As of Year End
Land and improvements	8,000
Buildings and Improvements	36,902
Total	44,902
Accumulated Depreciation	(19,128)
1430 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	10,700
Building and Improvements	23,621
Costs Capitalized Subsequent to Acquisition	27,995
Gross Amount at Which Carried As of Year End
Land and improvements	10,733
Buildings and Improvements	51,583
Total	62,316
Accumulated Depreciation	(16,385)
1431 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	7,000
Building and Improvements	15,500
Costs Capitalized Subsequent to Acquisition	10,711
Gross Amount at Which Carried As of Year End
Land and improvements	7,022
Buildings and Improvements	26,189
Total	33,211
Accumulated Depreciation	(10,767)
1435 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	13,800
Building and Improvements	42,500
Costs Capitalized Subsequent to Acquisition	26,593
Gross Amount at Which Carried As of Year End
Land and improvements	13,800
Buildings and Improvements	69,093
Total	82,893
Accumulated Depreciation	(24,860)
1436 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	14,500
Building and Improvements	45,300
Costs Capitalized Subsequent to Acquisition	42,147
Gross Amount at Which Carried As of Year End
Land and improvements	14,500
Buildings and Improvements	87,447
Total	101,947
Accumulated Depreciation	(26,760)
1437 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	9,400
Building and Improvements	24,800
Costs Capitalized Subsequent to Acquisition	36,750
Gross Amount at Which Carried As of Year End
Land and improvements	9,400
Buildings and Improvements	61,550
Total	70,950
Accumulated Depreciation	(24,113)
1439 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	11,900
Building and Improvements	68,848
Costs Capitalized Subsequent to Acquisition	13,735
Gross Amount at Which Carried As of Year End
Land and improvements	11,900
Buildings and Improvements	82,583
Total	94,483
Accumulated Depreciation	(29,994)
1440 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	10,000
Building and Improvements	57,954
Costs Capitalized Subsequent to Acquisition	15,024
Gross Amount at Which Carried As of Year End
Land and improvements	10,000
Buildings and Improvements	72,978
Total	82,978
Accumulated Depreciation	(24,006)
1441 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	9,300
Building and Improvements	43,549
Costs Capitalized Subsequent to Acquisition	22,619
Gross Amount at Which Carried As of Year End
Land and improvements	9,300
Buildings and Improvements	66,168
Total	75,468
Accumulated Depreciation	(16,875)
1442 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	11,000
Building and Improvements	47,289
Costs Capitalized Subsequent to Acquisition	42,668
Gross Amount at Which Carried As of Year End
Land and improvements	11,000
Buildings and Improvements	89,957
Total	100,957
Accumulated Depreciation	(26,528)
1443 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	13,200
Building and Improvements	60,932
Costs Capitalized Subsequent to Acquisition	3,283
Gross Amount at Which Carried As of Year End
Land and improvements	13,200
Buildings and Improvements	64,215
Total	77,415
Accumulated Depreciation	(26,657)
1444 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	10,500
Building and Improvements	33,776
Costs Capitalized Subsequent to Acquisition	13,824
Gross Amount at Which Carried As of Year End
Land and improvements	10,500
Buildings and Improvements	47,600
Total	58,100
Accumulated Depreciation	(14,058)
1445 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	10,600
Building and Improvements	34,083
Costs Capitalized Subsequent to Acquisition	46
Gross Amount at Which Carried As of Year End
Land and improvements	10,600
Buildings and Improvements	34,129
Total	44,729
Accumulated Depreciation	(14,848)
1458 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	10,900
Building and Improvements	20,900
Costs Capitalized Subsequent to Acquisition	6,924
Gross Amount at Which Carried As of Year End
Land and improvements	10,900
Buildings and Improvements	27,824
Total	38,724
Accumulated Depreciation	(10,664)
1459 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	9,800
Building and Improvements	394
Costs Capitalized Subsequent to Acquisition	157,274
Gross Amount at Which Carried As of Year End
Land and improvements	9,800
Buildings and Improvements	157,668
Total	167,468
Accumulated Depreciation	(11,273)
1462 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	7,117
Building and Improvements	600
Costs Capitalized Subsequent to Acquisition	5,280
Gross Amount at Which Carried As of Year End
Land and improvements	7,117
Buildings and Improvements	5,880
Total	12,997
Accumulated Depreciation	(1,956)
1463 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	10,381
Building and Improvements	2,300
Costs Capitalized Subsequent to Acquisition	17,197
Gross Amount at Which Carried As of Year End
Land and improvements	10,381
Buildings and Improvements	19,497
Total	29,878
Accumulated Depreciation	(6,763)
1464 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	7,403
Building and Improvements	700
Costs Capitalized Subsequent to Acquisition	9,060
Gross Amount at Which Carried As of Year End
Land and improvements	7,403
Buildings and Improvements	9,760
Total	17,163
Accumulated Depreciation	(3,302)
1468 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	10,100
Building and Improvements	24,013
Costs Capitalized Subsequent to Acquisition	11,565
Gross Amount at Which Carried As of Year End
Land and improvements	10,100
Buildings and Improvements	35,578
Total	45,678
Accumulated Depreciation	(16,168)
1480 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	32,210
Building and Improvements	3,110
Costs Capitalized Subsequent to Acquisition	160,550
Gross Amount at Which Carried As of Year End
Land and improvements	32,210
Buildings and Improvements	163,660
Total	195,870
Accumulated Depreciation	(7,004)
1528 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	0
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	188,739
Gross Amount at Which Carried As of Year End
Land and improvements	0
Buildings and Improvements	188,739
Total	188,739
Accumulated Depreciation	(275)
1559 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	5,666
Building and Improvements	5,773
Costs Capitalized Subsequent to Acquisition	199
Gross Amount at Which Carried As of Year End
Land and improvements	5,666
Buildings and Improvements	5,972
Total	11,638
Accumulated Depreciation	(5,923)
1560 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	1,204
Building and Improvements	1,293
Costs Capitalized Subsequent to Acquisition	2,683
Gross Amount at Which Carried As of Year End
Land and improvements	1,204
Buildings and Improvements	3,976
Total	5,180
Accumulated Depreciation	(3,267)
1983 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	8,648
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	90,582
Gross Amount at Which Carried As of Year End
Land and improvements	8,648
Buildings and Improvements	90,582
Total	99,230
Accumulated Depreciation	(31,738)
1984 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	7,844
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	90,761
Gross Amount at Which Carried As of Year End
Land and improvements	7,844
Buildings and Improvements	90,761
Total	98,605
Accumulated Depreciation	(34,910)
1985 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	6,708
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	122,716
Gross Amount at Which Carried As of Year End
Land and improvements	6,708
Buildings and Improvements	122,716
Total	129,424
Accumulated Depreciation	(43,270)
1986 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	6,708
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	120,758
Gross Amount at Which Carried As of Year End
Land and improvements	6,708
Buildings and Improvements	120,758
Total	127,466
Accumulated Depreciation	(38,078)
1987 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	8,544
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	100,777
Gross Amount at Which Carried As of Year End
Land and improvements	8,544
Buildings and Improvements	100,777
Total	109,321
Accumulated Depreciation	(28,885)
1988 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	10,120
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	119,625
Gross Amount at Which Carried As of Year End
Land and improvements	10,120
Buildings and Improvements	119,625
Total	129,745
Accumulated Depreciation	(35,906)
1989 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	9,169
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	100,395
Gross Amount at Which Carried As of Year End
Land and improvements	9,169
Buildings and Improvements	100,395
Total	109,564
Accumulated Depreciation	(23,508)
2553 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	2,897
Building and Improvements	8,691
Costs Capitalized Subsequent to Acquisition	4,478
Gross Amount at Which Carried As of Year End
Land and improvements	2,897
Buildings and Improvements	13,169
Total	16,066
Accumulated Depreciation	(5,172)
2554 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	995
Building and Improvements	2,754
Costs Capitalized Subsequent to Acquisition	2,332
Gross Amount at Which Carried As of Year End
Land and improvements	995
Buildings and Improvements	5,086
Total	6,081
Accumulated Depreciation	(1,757)
2555 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	2,202
Building and Improvements	10,776
Costs Capitalized Subsequent to Acquisition	2,527
Gross Amount at Which Carried As of Year End
Land and improvements	2,202
Buildings and Improvements	13,303
Total	15,505
Accumulated Depreciation	(3,917)
2556 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	2,962
Building and Improvements	15,108
Costs Capitalized Subsequent to Acquisition	1,557
Gross Amount at Which Carried As of Year End
Land and improvements	2,962
Buildings and Improvements	16,665
Total	19,627
Accumulated Depreciation	(4,704)
2557 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	2,453
Building and Improvements	13,063
Costs Capitalized Subsequent to Acquisition	3,842
Gross Amount at Which Carried As of Year End
Land and improvements	2,453
Buildings and Improvements	16,905
Total	19,358
Accumulated Depreciation	(6,725)
2558 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	1,163
Building and Improvements	5,925
Costs Capitalized Subsequent to Acquisition	315
Gross Amount at Which Carried As of Year End
Land and improvements	1,163
Buildings and Improvements	6,240
Total	7,403
Accumulated Depreciation	(1,626)
2624 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	25,502
Building and Improvements	42,910
Costs Capitalized Subsequent to Acquisition	14,832
Gross Amount at Which Carried As of Year End
Land and improvements	25,502
Buildings and Improvements	57,742
Total	83,244
Accumulated Depreciation	(14,353)
2870 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	23,297
Building and Improvements	41,797
Costs Capitalized Subsequent to Acquisition	28,804
Gross Amount at Which Carried As of Year End
Land and improvements	23,330
Buildings and Improvements	70,568
Total	93,898
Accumulated Depreciation	(21,151)
2871 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	20,293
Building and Improvements	41,262
Costs Capitalized Subsequent to Acquisition	22,121
Gross Amount at Which Carried As of Year End
Land and improvements	20,333
Buildings and Improvements	63,343
Total	83,676
Accumulated Depreciation	(23,373)
3100 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	14,245
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	15,095
Gross Amount at Which Carried As of Year End
Land and improvements	14,245
Buildings and Improvements	15,095
Total	29,340
Accumulated Depreciation	0
3101 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	61,208
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	29,603
Gross Amount at Which Carried As of Year End
Land and improvements	61,208
Buildings and Improvements	29,603
Total	90,811
Accumulated Depreciation	0
3102 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	43,885
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	6,359
Gross Amount at Which Carried As of Year End
Land and improvements	43,885
Buildings and Improvements	6,359
Total	50,244
Accumulated Depreciation	0
3123 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	0
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	6,456
Gross Amount at Which Carried As of Year End
Land and improvements	0
Buildings and Improvements	6,456
Total	6,456
Accumulated Depreciation	0
3154 South San Francisco, CA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	0
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	56,590
Gross Amount at Which Carried As of Year End
Land and improvements	0
Buildings and Improvements	56,590
Total	56,590
Accumulated Depreciation	307
2705 Cambridge, MA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	24,371
Building and Improvements	128,498
Costs Capitalized Subsequent to Acquisition	197
Gross Amount at Which Carried As of Year End
Land and improvements	24,371
Buildings and Improvements	128,695
Total	153,066
Accumulated Depreciation	(17,582)
2706 Cambridge, MA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	15,473
Building and Improvements	149,051
Costs Capitalized Subsequent to Acquisition	850
Gross Amount at Which Carried As of Year End
Land and improvements	15,473
Buildings and Improvements	149,901
Total	165,374
Accumulated Depreciation	(22,324)
2707 Cambridge, MA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	25,549
Building and Improvements	229,547
Costs Capitalized Subsequent to Acquisition	8,597
Gross Amount at Which Carried As of Year End
Land and improvements	25,549
Buildings and Improvements	238,144
Total	263,693
Accumulated Depreciation	(33,377)
2708 Cambridge, MA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	0
Building and Improvements	17,751
Costs Capitalized Subsequent to Acquisition	539
Gross Amount at Which Carried As of Year End
Land and improvements	0
Buildings and Improvements	18,290
Total	18,290
Accumulated Depreciation	(1,902)
2709 Cambridge, MA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	0
Building and Improvements	15,451
Costs Capitalized Subsequent to Acquisition	29
Gross Amount at Which Carried As of Year End
Land and improvements	0
Buildings and Improvements	15,480
Total	15,480
Accumulated Depreciation	(1,579)
2928 Cambridge, MA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	44,215
Building and Improvements	24,120
Costs Capitalized Subsequent to Acquisition	3,154
Gross Amount at Which Carried As of Year End
Land and improvements	44,215
Buildings and Improvements	27,274
Total	71,489
Accumulated Depreciation	(5,108)
2929 Cambridge, MA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	20,516
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	159,436
Gross Amount at Which Carried As of Year End
Land and improvements	20,516
Buildings and Improvements	159,436
Total	179,952
Accumulated Depreciation	(15,859)
3074 Cambridge, MA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	78,762
Building and Improvements	252,153
Costs Capitalized Subsequent to Acquisition	14,635
Gross Amount at Which Carried As of Year End
Land and improvements	78,762
Buildings and Improvements	266,788
Total	345,550
Accumulated Depreciation	(41,328)
3106 Cambridge, MA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	20,644
Building and Improvements	2,982
Costs Capitalized Subsequent to Acquisition	621
Gross Amount at Which Carried As of Year End
Land and improvements	20,644
Buildings and Improvements	3,603
Total	24,247
Accumulated Depreciation	(340)
3107 Cambridge, MA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	19,009
Building and Improvements	12,327
Costs Capitalized Subsequent to Acquisition	1,875
Gross Amount at Which Carried As of Year End
Land and improvements	19,009
Buildings and Improvements	14,202
Total	33,211
Accumulated Depreciation	(1,202)
3108 Cambridge, MA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	123,074
Building and Improvements	7,513
Costs Capitalized Subsequent to Acquisition	8
Gross Amount at Which Carried As of Year End
Land and improvements	123,074
Buildings and Improvements	7,521
Total	130,595
Accumulated Depreciation	(969)
3109 Cambridge, MA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	5,903
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	637
Gross Amount at Which Carried As of Year End
Land and improvements	5,903
Buildings and Improvements	637
Total	6,540
Accumulated Depreciation	0
3112 Cambridge, MA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	23,402
Building and Improvements	47,623
Costs Capitalized Subsequent to Acquisition	1,385
Gross Amount at Which Carried As of Year End
Land and improvements	23,402
Buildings and Improvements	49,008
Total	72,410
Accumulated Depreciation	(5,706)
3113 Cambridge, MA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	32,244
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	8,417
Gross Amount at Which Carried As of Year End
Land and improvements	36,119
Buildings and Improvements	4,542
Total	40,661
Accumulated Depreciation	0
3114 Cambridge, MA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	22,969
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	(1,179)
Gross Amount at Which Carried As of Year End
Land and improvements	22,969
Buildings and Improvements	(1,179)
Total	21,790
Accumulated Depreciation	0
3115 Cambridge, MA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	66,786
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	2,536
Gross Amount at Which Carried As of Year End
Land and improvements	66,786
Buildings and Improvements	2,536
Total	69,322
Accumulated Depreciation	0
3116 Cambridge, MA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	0
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	17,413
Gross Amount at Which Carried As of Year End
Land and improvements	0
Buildings and Improvements	17,413
Total	17,413
Accumulated Depreciation	0
3119 Cambridge, MA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	0
Building and Improvements	29,667
Costs Capitalized Subsequent to Acquisition	0
Gross Amount at Which Carried As of Year End
Land and improvements	0
Buildings and Improvements	29,667
Total	29,667
Accumulated Depreciation	(2,984)
3120 Cambridge, MA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	18,063
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	1,417
Gross Amount at Which Carried As of Year End
Land and improvements	18,063
Buildings and Improvements	1,417
Total	19,480
Accumulated Depreciation	0
3122 Cambridge, MA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	25,247
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	3,293
Gross Amount at Which Carried As of Year End
Land and improvements	25,247
Buildings and Improvements	3,293
Total	28,540
Accumulated Depreciation	0
3136 Cambridge, MA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	4,118
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	(161)
Gross Amount at Which Carried As of Year End
Land and improvements	4,119
Buildings and Improvements	(162)
Total	3,957
Accumulated Depreciation	0
3137 Cambridge, MA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	41,327
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	4,680
Gross Amount at Which Carried As of Year End
Land and improvements	41,327
Buildings and Improvements	4,680
Total	46,007
Accumulated Depreciation	0
3141 Cambridge, MA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	72,466
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	9,303
Gross Amount at Which Carried As of Year End
Land and improvements	72,768
Buildings and Improvements	9,001
Total	81,769
Accumulated Depreciation	0
3148 Cambridge, MA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	2,277
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	67
Gross Amount at Which Carried As of Year End
Land and improvements	2,290
Buildings and Improvements	54
Total	2,344
Accumulated Depreciation	0
3149 Cambridge, MA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	5,690
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	625
Gross Amount at Which Carried As of Year End
Land and improvements	5,746
Buildings and Improvements	569
Total	6,315
Accumulated Depreciation	0
3150 Cambridge, MA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	1,651
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	360
Gross Amount at Which Carried As of Year End
Land and improvements	1,659
Buildings and Improvements	352
Total	2,011
Accumulated Depreciation	0
3151 Cambridge, MA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	8,532
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	904
Gross Amount at Which Carried As of Year End
Land and improvements	8,583
Buildings and Improvements	853
Total	9,436
Accumulated Depreciation	0
3152 Cambridge, MA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	9,892
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	1,525
Gross Amount at Which Carried As of Year End
Land and improvements	10,507
Buildings and Improvements	910
Total	11,417
Accumulated Depreciation	0
MA5394 Cambridge, MA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	4,441
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	113
Gross Amount at Which Carried As of Year End
Land and improvements	4,441
Buildings and Improvements	113
Total	4,554
Accumulated Depreciation	0
2630 Lexington, MA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	16,411
Building and Improvements	49,682
Costs Capitalized Subsequent to Acquisition	(2,284)
Gross Amount at Which Carried As of Year End
Land and improvements	12,967
Buildings and Improvements	50,842
Total	63,809
Accumulated Depreciation	(12,431)
2631 Lexington, MA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	7,759
Building and Improvements	142,081
Costs Capitalized Subsequent to Acquisition	30,473
Gross Amount at Which Carried As of Year End
Land and improvements	6,978
Buildings and Improvements	173,335
Total	180,313
Accumulated Depreciation	(34,532)
2632 Lexington, MA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	0
Building and Improvements	21,390
Costs Capitalized Subsequent to Acquisition	126,772
Gross Amount at Which Carried As of Year End
Land and improvements	0
Buildings and Improvements	148,162
Total	148,162
Accumulated Depreciation	(25,261)
3070 Lexington, MA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	14,013
Building and Improvements	17,083
Costs Capitalized Subsequent to Acquisition	(269)
Gross Amount at Which Carried As of Year End
Land and improvements	14,013
Buildings and Improvements	16,814
Total	30,827
Accumulated Depreciation	(3,110)
3071 Lexington, MA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	14,930
Building and Improvements	16,677
Costs Capitalized Subsequent to Acquisition	(121)
Gross Amount at Which Carried As of Year End
Land and improvements	14,930
Buildings and Improvements	16,556
Total	31,486
Accumulated Depreciation	(2,782)
3072 Lexington, MA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	34,598
Building and Improvements	43,032
Costs Capitalized Subsequent to Acquisition	(288)
Gross Amount at Which Carried As of Year End
Land and improvements	34,598
Buildings and Improvements	42,744
Total	77,342
Accumulated Depreciation	(9,256)
3073 Lexington, MA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	37,050
Building and Improvements	44,647
Costs Capitalized Subsequent to Acquisition	144
Gross Amount at Which Carried As of Year End
Land and improvements	37,050
Buildings and Improvements	44,791
Total	81,841
Accumulated Depreciation	(9,883)
3093 Waltham, MA | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	47,792
Building and Improvements	275,556
Costs Capitalized Subsequent to Acquisition	26,887
Gross Amount at Which Carried As of Year End
Land and improvements	47,790
Buildings and Improvements	302,445
Total	350,235
Accumulated Depreciation	(49,524)
9999 Denton, TX | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	100
Building and Improvements	0
Costs Capitalized Subsequent to Acquisition	0
Gross Amount at Which Carried As of Year End
Land and improvements	100
Buildings and Improvements	0
Total	100
Accumulated Depreciation	0
464 Salt Lake City, UT | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	630
Building and Improvements	6,921
Costs Capitalized Subsequent to Acquisition	2,563
Gross Amount at Which Carried As of Year End
Land and improvements	630
Buildings and Improvements	9,484
Total	10,114
Accumulated Depreciation	(6,260)
465 Salt Lake City, UT | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	125
Building and Improvements	6,368
Costs Capitalized Subsequent to Acquisition	68
Gross Amount at Which Carried As of Year End
Land and improvements	125
Buildings and Improvements	6,436
Total	6,561
Accumulated Depreciation	(3,415)
466 Salt Lake City, UT | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	0
Building and Improvements	14,614
Costs Capitalized Subsequent to Acquisition	(1,401)
Gross Amount at Which Carried As of Year End
Land and improvements	0
Buildings and Improvements	13,213
Total	13,213
Accumulated Depreciation	(5,702)
1593 Salt Lake City, UT | Lab | Operating segment
Real Estate and Accumulated Depreciation
Encumbrances as of Year end	0
Initial Cost to Company
Land and improvements	0
Building and Improvements	23,998
Costs Capitalized Subsequent to Acquisition	250
Gross Amount at Which Carried As of Year End
Land and improvements	0
Buildings and Improvements	24,248
Total	24,248
Accumulated Depreciation	$ (10,516)