Real Estate and Accumulated Depreciation - Schedule of Properties (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 585,113
Initial Cost to Company
Land and Improvements	788,080
Buildings and Improvements	5,303,404
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	58,267
Building and Improvements less Cost of Sales, Transfers and Other	1,564,632
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	846,347
Building and Improvements less Cost of Sales, Transfers and Other	6,868,036
Total	7,714,382	$ 7,385,230	$ 7,158,069
Accumulated Depreciation	874,988	$ 811,196	$ 621,617	$ 421,495
OPERATING PROPERTIES
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	585,113
Initial Cost to Company
Land and Improvements	614,908
Buildings and Improvements	5,303,404
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	43,961
Building and Improvements less Cost of Sales, Transfers and Other	1,419,625
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	658,869
Building and Improvements less Cost of Sales, Transfers and Other	6,723,029
Total	7,381,898
Accumulated Depreciation	874,988
OPERATING PROPERTIES | Miscellaneous Investments
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost to Company
Land and Improvements	15,318
Buildings and Improvements	69,780
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	33
Building and Improvements less Cost of Sales, Transfers and Other	1,678
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	15,351
Building and Improvements less Cost of Sales, Transfers and Other	71,458
Total	86,809
Accumulated Depreciation	2,947
OPERATING PROPERTIES | Austin, TX | The Domain
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost to Company
Land and Improvements	65,236
Buildings and Improvements	755,143
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	6,006
Building and Improvements less Cost of Sales, Transfers and Other	242,768
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	71,242
Building and Improvements less Cost of Sales, Transfers and Other	997,911
Total	1,069,153
Accumulated Depreciation	$ 68,954
Life on Which Depreciation in 2021 Statement of Operations is Computed	40 years
OPERATING PROPERTIES | Austin, TX | 300 Colorado
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0
Initial Cost to Company
Land and Improvements	18,354
Buildings and Improvements	278,905
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	0
Building and Improvements less Cost of Sales, Transfers and Other	240
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	18,354
Building and Improvements less Cost of Sales, Transfers and Other	279,145
Total	297,499
Accumulated Depreciation	$ 613
Life on Which Depreciation in 2021 Statement of Operations is Computed	40 years
OPERATING PROPERTIES | Austin, TX | The Terrace
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0
Initial Cost to Company
Land and Improvements	27,360
Buildings and Improvements	247,226
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	0
Building and Improvements less Cost of Sales, Transfers and Other	14,564
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	27,360
Building and Improvements less Cost of Sales, Transfers and Other	261,790
Total	289,150
Accumulated Depreciation	$ 21,699
Life on Which Depreciation in 2021 Statement of Operations is Computed	40 years
OPERATING PROPERTIES | Austin, TX | One Eleven Congress
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0
Initial Cost to Company
Land and Improvements	33,841
Buildings and Improvements	201,707
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	0
Building and Improvements less Cost of Sales, Transfers and Other	47,481
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	33,841
Building and Improvements less Cost of Sales, Transfers and Other	249,188
Total	283,029
Accumulated Depreciation	$ 36,455
Life on Which Depreciation in 2021 Statement of Operations is Computed	40 years
OPERATING PROPERTIES | Austin, TX | San Jacinto Center
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0
Initial Cost to Company
Land and Improvements	34,068
Buildings and Improvements	176,535
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	(579)
Building and Improvements less Cost of Sales, Transfers and Other	18,260
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	33,489
Building and Improvements less Cost of Sales, Transfers and Other	194,795
Total	228,284
Accumulated Depreciation	$ 29,103
Life on Which Depreciation in 2021 Statement of Operations is Computed	40 years
OPERATING PROPERTIES | Austin, TX | Colorado Tower
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 112,150
Initial Cost to Company
Land and Improvements	1,600
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	20,577
Building and Improvements less Cost of Sales, Transfers and Other	130,291
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	22,177
Building and Improvements less Cost of Sales, Transfers and Other	130,291
Total	152,468
Accumulated Depreciation	$ 42,093
Life on Which Depreciation in 2021 Statement of Operations is Computed	30 years
OPERATING PROPERTIES | Austin, TX | Domain Point
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0
Initial Cost to Company
Land and Improvements	17,349
Buildings and Improvements	71,599
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	0
Building and Improvements less Cost of Sales, Transfers and Other	7,904
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	17,349
Building and Improvements less Cost of Sales, Transfers and Other	79,503
Total	96,852
Accumulated Depreciation	$ 7,289
Life on Which Depreciation in 2021 Statement of Operations is Computed	40 years
OPERATING PROPERTIES | Austin, TX | Research Park V
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0
Initial Cost to Company
Land and Improvements	4,373
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	801
Building and Improvements less Cost of Sales, Transfers and Other	42,623
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	5,174
Building and Improvements less Cost of Sales, Transfers and Other	42,623
Total	47,797
Accumulated Depreciation	$ 12,812
Life on Which Depreciation in 2021 Statement of Operations is Computed	30 years
OPERATING PROPERTIES | Atlanta, GA | Terminus
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 184,239
Initial Cost to Company
Land and Improvements	49,050
Buildings and Improvements	410,826
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	0
Building and Improvements less Cost of Sales, Transfers and Other	25,250
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	49,050
Building and Improvements less Cost of Sales, Transfers and Other	436,076
Total	485,126
Accumulated Depreciation	$ 33,483
Life on Which Depreciation in 2021 Statement of Operations is Computed	40 years
OPERATING PROPERTIES | Atlanta, GA | Northpark Town Center
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0
Initial Cost to Company
Land and Improvements	22,350
Buildings and Improvements	295,825
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	0
Building and Improvements less Cost of Sales, Transfers and Other	66,401
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	22,350
Building and Improvements less Cost of Sales, Transfers and Other	362,226
Total	384,576
Accumulated Depreciation	$ 88,605
Life on Which Depreciation in 2021 Statement of Operations is Computed	39 years
OPERATING PROPERTIES | Atlanta, GA | Spring & 8th
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0
Initial Cost to Company
Land and Improvements	28,131
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	426
Building and Improvements less Cost of Sales, Transfers and Other	301,810
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	28,557
Building and Improvements less Cost of Sales, Transfers and Other	301,810
Total	330,367
Accumulated Depreciation	$ 40,834
Life on Which Depreciation in 2021 Statement of Operations is Computed	40 years
OPERATING PROPERTIES | Atlanta, GA | Buckhead Plaza
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0
Initial Cost to Company
Land and Improvements	35,064
Buildings and Improvements	234,111
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	0
Building and Improvements less Cost of Sales, Transfers and Other	35,679
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	35,064
Building and Improvements less Cost of Sales, Transfers and Other	269,790
Total	304,854
Accumulated Depreciation	$ 38,155
Life on Which Depreciation in 2021 Statement of Operations is Computed	40 years
OPERATING PROPERTIES | Atlanta, GA | 725 Ponce
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0
Initial Cost to Company
Land and Improvements	20,720
Buildings and Improvements	272,226
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	0
Building and Improvements less Cost of Sales, Transfers and Other	610
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	20,720
Building and Improvements less Cost of Sales, Transfers and Other	272,836
Total	293,556
Accumulated Depreciation	$ 3,503
Life on Which Depreciation in 2021 Statement of Operations is Computed	40 years
OPERATING PROPERTIES | Atlanta, GA | 3344 Peachtree
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0
Initial Cost to Company
Land and Improvements	16,110
Buildings and Improvements	176,153
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	0
Building and Improvements less Cost of Sales, Transfers and Other	35,532
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	16,110
Building and Improvements less Cost of Sales, Transfers and Other	211,685
Total	227,795
Accumulated Depreciation	$ 34,110
Life on Which Depreciation in 2021 Statement of Operations is Computed	40 years
OPERATING PROPERTIES | Atlanta, GA | Avalon
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0
Initial Cost to Company
Land and Improvements	9,952
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	73
Building and Improvements less Cost of Sales, Transfers and Other	177,776
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	10,025
Building and Improvements less Cost of Sales, Transfers and Other	177,776
Total	187,801
Accumulated Depreciation	$ 20,357
Life on Which Depreciation in 2021 Statement of Operations is Computed	40 years
OPERATING PROPERTIES | Atlanta, GA | Promenade Tower (fka Promenade)
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 89,052
Initial Cost to Company
Land and Improvements	13,439
Buildings and Improvements	102,790
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	0
Building and Improvements less Cost of Sales, Transfers and Other	49,093
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	13,439
Building and Improvements less Cost of Sales, Transfers and Other	151,883
Total	165,322
Accumulated Depreciation	$ 58,622
Life on Which Depreciation in 2021 Statement of Operations is Computed	34 years
OPERATING PROPERTIES | Atlanta, GA | 3350 Peachtree
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0
Initial Cost to Company
Land and Improvements	16,836
Buildings and Improvements	108,177
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	0
Building and Improvements less Cost of Sales, Transfers and Other	20,540
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	16,836
Building and Improvements less Cost of Sales, Transfers and Other	128,717
Total	145,553
Accumulated Depreciation	$ 16,540
Life on Which Depreciation in 2021 Statement of Operations is Computed	40 years
OPERATING PROPERTIES | Atlanta, GA | Promenade Central (fka 1200 Peachtree)
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0
Initial Cost to Company
Land and Improvements	19,495
Buildings and Improvements	62,836
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	(1)
Building and Improvements less Cost of Sales, Transfers and Other	7,194
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	19,494
Building and Improvements less Cost of Sales, Transfers and Other	70,030
Total	89,524
Accumulated Depreciation	$ 4,534
Life on Which Depreciation in 2021 Statement of Operations is Computed	40 years
OPERATING PROPERTIES | Atlanta, GA | 3348 Peachtree
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0
Initial Cost to Company
Land and Improvements	6,707
Buildings and Improvements	69,723
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	0
Building and Improvements less Cost of Sales, Transfers and Other	1,809
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	6,707
Building and Improvements less Cost of Sales, Transfers and Other	71,532
Total	78,239
Accumulated Depreciation	$ 14,222
Life on Which Depreciation in 2021 Statement of Operations is Computed	40 years
OPERATING PROPERTIES | Atlanta, GA | Meridian Mark Plaza
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0
Initial Cost to Company
Land and Improvements	2,219
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	0
Building and Improvements less Cost of Sales, Transfers and Other	30,724
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	2,219
Building and Improvements less Cost of Sales, Transfers and Other	30,724
Total	32,943
Accumulated Depreciation	$ 23,091
Life on Which Depreciation in 2021 Statement of Operations is Computed	30 years
OPERATING PROPERTIES | Tampa, FL | Corporate Center
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0
Initial Cost to Company
Land and Improvements	2,468
Buildings and Improvements	272,148
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	17,004
Building and Improvements less Cost of Sales, Transfers and Other	59,322
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	19,472
Building and Improvements less Cost of Sales, Transfers and Other	331,470
Total	350,942
Accumulated Depreciation	$ 57,377
Life on Which Depreciation in 2021 Statement of Operations is Computed	40 years
OPERATING PROPERTIES | Tampa, FL | Heights Union
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0
Initial Cost to Company
Land and Improvements	9,545
Buildings and Improvements	123,944
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	0
Building and Improvements less Cost of Sales, Transfers and Other	5,036
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	9,545
Building and Improvements less Cost of Sales, Transfers and Other	128,980
Total	138,525
Accumulated Depreciation	$ 873
Life on Which Depreciation in 2021 Statement of Operations is Computed	40 years
OPERATING PROPERTIES | Tampa, FL | The Pointe
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0
Initial Cost to Company
Land and Improvements	9,404
Buildings and Improvements	54,694
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	0
Building and Improvements less Cost of Sales, Transfers and Other	7,802
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	9,404
Building and Improvements less Cost of Sales, Transfers and Other	62,496
Total	71,900
Accumulated Depreciation	$ 12,172
Life on Which Depreciation in 2021 Statement of Operations is Computed	40 years
OPERATING PROPERTIES | Tampa, FL | Harborview Plaza
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0
Initial Cost to Company
Land and Improvements	10,800
Buildings and Improvements	39,136
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	0
Building and Improvements less Cost of Sales, Transfers and Other	9,853
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	10,800
Building and Improvements less Cost of Sales, Transfers and Other	48,989
Total	59,789
Accumulated Depreciation	$ 8,038
Life on Which Depreciation in 2021 Statement of Operations is Computed	40 years
OPERATING PROPERTIES | Phoenix, AZ | Hayden Ferry
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0
Initial Cost to Company
Land and Improvements	13,102
Buildings and Improvements	262,578
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	(252)
Building and Improvements less Cost of Sales, Transfers and Other	20,708
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	12,850
Building and Improvements less Cost of Sales, Transfers and Other	283,286
Total	296,136
Accumulated Depreciation	$ 52,591
Life on Which Depreciation in 2021 Statement of Operations is Computed	40 years
OPERATING PROPERTIES | Phoenix, AZ | Tempe Gateway
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0
Initial Cost to Company
Land and Improvements	5,893
Buildings and Improvements	95,130
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	0
Building and Improvements less Cost of Sales, Transfers and Other	3,768
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	5,893
Building and Improvements less Cost of Sales, Transfers and Other	98,898
Total	104,791
Accumulated Depreciation	$ 15,863
Life on Which Depreciation in 2021 Statement of Operations is Computed	40 years
OPERATING PROPERTIES | Phoenix, AZ | 111 West Rio
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0
Initial Cost to Company
Land and Improvements	6,076
Buildings and Improvements	56,647
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	(127)
Building and Improvements less Cost of Sales, Transfers and Other	18,612
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	5,949
Building and Improvements less Cost of Sales, Transfers and Other	75,259
Total	81,208
Accumulated Depreciation	$ 13,698
Life on Which Depreciation in 2021 Statement of Operations is Computed	40 years
OPERATING PROPERTIES | Houston, TX | Briarlake Plaza
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0
Initial Cost to Company
Land and Improvements	33,486
Buildings and Improvements	196,915
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	0
Building and Improvements less Cost of Sales, Transfers and Other	3,397
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	33,486
Building and Improvements less Cost of Sales, Transfers and Other	200,312
Total	233,798
Accumulated Depreciation	$ 20,030
Life on Which Depreciation in 2021 Statement of Operations is Computed	40 years
OPERATING PROPERTIES | Charlotte, NC | Fifth Third Center
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 133,672
Initial Cost to Company
Land and Improvements	22,591
Buildings and Improvements	180,430
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	0
Building and Improvements less Cost of Sales, Transfers and Other	21,088
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	22,591
Building and Improvements less Cost of Sales, Transfers and Other	201,518
Total	224,109
Accumulated Depreciation	$ 48,836
Life on Which Depreciation in 2021 Statement of Operations is Computed	40 years
OPERATING PROPERTIES | Charlotte, NC | The RailYard
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0
Initial Cost to Company
Land and Improvements	22,831
Buildings and Improvements	178,323
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	0
Building and Improvements less Cost of Sales, Transfers and Other	216
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	22,831
Building and Improvements less Cost of Sales, Transfers and Other	178,539
Total	201,370
Accumulated Depreciation	$ 6,518
Life on Which Depreciation in 2021 Statement of Operations is Computed	40 years
OPERATING PROPERTIES | Charlotte, NC | 550 South (fka Nascar Plaza)
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0
Initial Cost to Company
Land and Improvements	51
Buildings and Improvements	115,238
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	0
Building and Improvements less Cost of Sales, Transfers and Other	9,151
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	51
Building and Improvements less Cost of Sales, Transfers and Other	124,389
Total	124,440
Accumulated Depreciation	$ 22,176
Life on Which Depreciation in 2021 Statement of Operations is Computed	40 years
OPERATING PROPERTIES | Dallas, GA | Legacy Union One
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 66,000
Initial Cost to Company
Land and Improvements	13,049
Buildings and Improvements	128,740
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	0
Building and Improvements less Cost of Sales, Transfers and Other	257
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	13,049
Building and Improvements less Cost of Sales, Transfers and Other	128,997
Total	142,046
Accumulated Depreciation	$ 12,474
Life on Which Depreciation in 2021 Statement of Operations is Computed	40 years
OPERATING PROPERTIES | Dallas, GA | 5950 Sherry Lane
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0
Initial Cost to Company
Land and Improvements	8,040
Buildings and Improvements	65,919
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	0
Building and Improvements less Cost of Sales, Transfers and Other	2,188
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	8,040
Building and Improvements less Cost of Sales, Transfers and Other	68,107
Total	76,147
Accumulated Depreciation	$ 6,321
Life on Which Depreciation in 2021 Statement of Operations is Computed	40 years
PROJECTS UNDER DEVELOPMENT
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	$ 0
Initial Cost to Company
Land and Improvements	29,796
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	0
Building and Improvements less Cost of Sales, Transfers and Other	145,007
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	29,796
Building and Improvements less Cost of Sales, Transfers and Other	145,007
Total	174,803
Accumulated Depreciation	0
PROJECTS UNDER DEVELOPMENT | Austin, TX | Domain 9
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost to Company
Land and Improvements	16,640
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	0
Building and Improvements less Cost of Sales, Transfers and Other	32,098
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	16,640
Building and Improvements less Cost of Sales, Transfers and Other	32,098
Total	48,738
Accumulated Depreciation	0
PROJECTS UNDER DEVELOPMENT | Phoenix, AZ | 100 Mill
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost to Company
Land and Improvements	13,156
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	0
Building and Improvements less Cost of Sales, Transfers and Other	112,909
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	13,156
Building and Improvements less Cost of Sales, Transfers and Other	112,909
Total	126,065
Accumulated Depreciation	0
LAND
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost to Company
Land and Improvements	143,376
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	14,306
Building and Improvements less Cost of Sales, Transfers and Other	0
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	157,682
Building and Improvements less Cost of Sales, Transfers and Other	0
Total	157,681
Accumulated Depreciation	0
LAND | Austin, TX | Domain 14 & 15
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost to Company
Land and Improvements	21,000
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	0
Building and Improvements less Cost of Sales, Transfers and Other	0
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	21,000
Building and Improvements less Cost of Sales, Transfers and Other	0
Total	21,000
Accumulated Depreciation	0
LAND | Austin, TX | Domain Point 3
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost to Company
Land and Improvements	11,018
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	0
Building and Improvements less Cost of Sales, Transfers and Other	0
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	11,018
Building and Improvements less Cost of Sales, Transfers and Other	0
Total	11,018
Accumulated Depreciation	0
LAND | Atlanta, GA | 887 West Peachtree
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost to Company
Land and Improvements	11,883
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	13,678
Building and Improvements less Cost of Sales, Transfers and Other	0
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	25,561
Building and Improvements less Cost of Sales, Transfers and Other	0
Total	25,560
Accumulated Depreciation	0
LAND | Atlanta, GA | 3354 Peachtree
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost to Company
Land and Improvements	13,410
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	8,099
Building and Improvements less Cost of Sales, Transfers and Other	0
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	21,509
Building and Improvements less Cost of Sales, Transfers and Other	0
Total	21,509
Accumulated Depreciation	0
LAND | Tampa, FL | Corporate Center
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost to Company
Land and Improvements	5,188
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	(6)
Building and Improvements less Cost of Sales, Transfers and Other	0
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	5,182
Building and Improvements less Cost of Sales, Transfers and Other	0
Total	5,182
Accumulated Depreciation	0
LAND | Charlotte, NC | South End Station
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost to Company
Land and Improvements	28,134
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	0
Building and Improvements less Cost of Sales, Transfers and Other	0
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	28,134
Building and Improvements less Cost of Sales, Transfers and Other	0
Total	28,134
Accumulated Depreciation	0
LAND | Charlotte, NC | Tremont
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost to Company
Land and Improvements	18,779
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	75
Building and Improvements less Cost of Sales, Transfers and Other	0
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	18,854
Building and Improvements less Cost of Sales, Transfers and Other	0
Total	18,854
Accumulated Depreciation	0
LAND | Dallas, GA | Legacy Union 2 & 3
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost to Company
Land and Improvements	22,724
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	0
Building and Improvements less Cost of Sales, Transfers and Other	0
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	22,724
Building and Improvements less Cost of Sales, Transfers and Other	0
Total	22,724
Accumulated Depreciation	0
LAND | Suburban Atlanta, GA | The Avenue Forsyth -Adjacent Land
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	0
Initial Cost to Company
Land and Improvements	11,240
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition
Land and Improvements less Cost of Sales, Transfers and Other	(7,540)
Building and Improvements less Cost of Sales, Transfers and Other	0
Gross Amount at Which Carried  at Close of Period
Land and Improvements less Cost of Sales, Transfers and Other	3,700
Building and Improvements less Cost of Sales, Transfers and Other	0
Total	3,700
Accumulated Depreciation	$ 0