Schedule III - Real Estate and Accumulated Depreciation (Details) - USD ($) $ in Thousands		12 Months Ended
	Dec. 31, 2018	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2018	Dec. 31, 2017
Real Estate and Accumulated Depreciation [Line Items]
Gross Amount at Which Carried, Total	$ 3,924,531	$ 3,924,531	$ 4,438,209	$ 4,725,096	$ 3,924,531	$ 4,438,209
Accumulated Depreciation and Amortization	907,937	907,937	1,058,704	1,058,704	907,937	1,053,467
Tax basis of total assets					3,600,000	$ 4,200,000
Real Estate:
Balance at the beginning of the year		4,438,209	4,800,025	4,725,096
Additions to/improvements of real estate		206,442	85,368	422,908
Assets disposed		(675,692)	(353,911)	(296,319)
Assets impaired		0	(46,461)	(30,898)
Write-offs of intangible assets		(33,067)	(37,188)	(11,896)
Write-offs of fully depreciated/amortized assets		(11,361)	(9,624)	(8,866)
Balance at the end of the year	3,924,531	3,924,531	4,438,209	4,800,025
Accumulated Depreciation and Amortization:
Balance at the beginning of the year		1,053,467	1,058,704	1,019,663
Depreciation and amortization expense		128,456	145,837	155,274
Assets disposed		(229,558)	(104,262)	(95,471)
Write-offs of intangible assets		(33,067)	(37,188)	(11,896)
Write-offs of fully depreciated/amortized assets		(11,361)	(9,624)	(8,866)
Balance at the end of the year	$ 907,937	$ 907,937	$ 1,053,467	$ 1,058,704
1225 Equity LLC | 1225 Eye Street N.W. Associates, LLC
Real Estate and Accumulated Depreciation [Line Items]
Piedmont’s % Ownership of Entity	98.10%
1201 Equity LLC | 1201 Eye Street N.W. Associates, LLC
Real Estate and Accumulated Depreciation [Line Items]
Piedmont’s % Ownership of Entity	98.60%
Building
Real Estate and Accumulated Depreciation [Line Items]
Useful life		40 years
Wholly Owned Properties
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost, Land					504,209
Initial Cost, Buildings and Improvements					3,161,864
Initial Cost, Total					3,666,073
Costs Capitalized Subsequent to Acquisition					258,458
Gross Amount at Which Carried, Land					537,984
Gross Amount at Which Carried, Buildings and Improvements					3,386,547
Gross Amount at Which Carried, Total	$ 3,924,531	$ 3,924,531			3,924,531
Accumulated Depreciation and Amortization	907,937	907,937			$ 907,937
Real Estate:
Balance at the end of the year	3,924,531	3,924,531
Accumulated Depreciation and Amortization:
Balance at the end of the year	907,937	$ 907,937
Minimum | Building improvements
Real Estate and Accumulated Depreciation [Line Items]
Useful life		5 years
Minimum | Land improvements
Real Estate and Accumulated Depreciation [Line Items]
Useful life		20 years
Maximum | Building improvements
Real Estate and Accumulated Depreciation [Line Items]
Useful life		25 years
Maximum | Land improvements
Real Estate and Accumulated Depreciation [Line Items]
Useful life		25 years
1430 ENCLAVE PARKWAY
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 7,100
Initial Cost, Buildings and Improvements					37,915
Initial Cost, Total					45,015
Costs Capitalized Subsequent to Acquisition					2,050
Gross Amount at Which Carried, Land					5,506
Gross Amount at Which Carried, Buildings and Improvements					41,559
Gross Amount at Which Carried, Total	47,065	$ 47,065			47,065
Accumulated Depreciation and Amortization	20,788	20,788			$ 20,788
Real Estate:
Balance at the end of the year	47,065	47,065
Accumulated Depreciation and Amortization:
Balance at the end of the year	20,788	$ 20,788
1430 ENCLAVE PARKWAY | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
1430 ENCLAVE PARKWAY | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
CRESCENT RIDGE II
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 7,700
Initial Cost, Buildings and Improvements					45,154
Initial Cost, Total					52,854
Costs Capitalized Subsequent to Acquisition					8,536
Gross Amount at Which Carried, Land					8,021
Gross Amount at Which Carried, Buildings and Improvements					53,369
Gross Amount at Which Carried, Total	61,390	$ 61,390			61,390
Accumulated Depreciation and Amortization	25,620	25,620			$ 25,620
Real Estate:
Balance at the end of the year	61,390	61,390
Accumulated Depreciation and Amortization:
Balance at the end of the year	25,620	$ 25,620
CRESCENT RIDGE II | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
CRESCENT RIDGE II | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
90 CENTRAL STREET
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 3,642
Initial Cost, Buildings and Improvements					29,497
Initial Cost, Total					33,139
Costs Capitalized Subsequent to Acquisition					1,462
Gross Amount at Which Carried, Land					3,642
Gross Amount at Which Carried, Buildings and Improvements					30,959
Gross Amount at Which Carried, Total	34,601	$ 34,601			34,601
Accumulated Depreciation and Amortization	13,188	13,188			$ 13,188
Real Estate:
Balance at the end of the year	34,601	34,601
Accumulated Depreciation and Amortization:
Balance at the end of the year	13,188	$ 13,188
90 CENTRAL STREET | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
90 CENTRAL STREET | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
6031 CONNECTION DRIVE
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 3,157
Initial Cost, Buildings and Improvements					43,656
Initial Cost, Total					46,813
Costs Capitalized Subsequent to Acquisition					4,691
Gross Amount at Which Carried, Land					3,157
Gross Amount at Which Carried, Buildings and Improvements					48,347
Gross Amount at Which Carried, Total	51,504	$ 51,504			51,504
Accumulated Depreciation and Amortization	20,356	20,356			$ 20,356
Real Estate:
Balance at the end of the year	51,504	51,504
Accumulated Depreciation and Amortization:
Balance at the end of the year	20,356	$ 20,356
6031 CONNECTION DRIVE | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
6031 CONNECTION DRIVE | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
6021 CONNECTION DRIVE
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 3,157
Initial Cost, Buildings and Improvements					42,662
Initial Cost, Total					45,819
Costs Capitalized Subsequent to Acquisition					10,545
Gross Amount at Which Carried, Land					3,157
Gross Amount at Which Carried, Buildings and Improvements					53,207
Gross Amount at Which Carried, Total	56,364	$ 56,364			56,364
Accumulated Depreciation and Amortization	22,029	22,029			$ 22,029
Real Estate:
Balance at the end of the year	56,364	56,364
Accumulated Depreciation and Amortization:
Balance at the end of the year	22,029	$ 22,029
6021 CONNECTION DRIVE | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
6021 CONNECTION DRIVE | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
6011 CONNECTION DRIVE
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 3,157
Initial Cost, Buildings and Improvements					29,034
Initial Cost, Total					32,191
Costs Capitalized Subsequent to Acquisition					10,666
Gross Amount at Which Carried, Land					3,157
Gross Amount at Which Carried, Buildings and Improvements					39,700
Gross Amount at Which Carried, Total	42,857	$ 42,857			42,857
Accumulated Depreciation and Amortization	12,425	12,425			$ 12,425
Real Estate:
Balance at the end of the year	42,857	42,857
Accumulated Depreciation and Amortization:
Balance at the end of the year	12,425	$ 12,425
6011 CONNECTION DRIVE | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
6011 CONNECTION DRIVE | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
ONE INDEPENDENCE SQUARE
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 29,765
Initial Cost, Buildings and Improvements					104,814
Initial Cost, Total					134,579
Costs Capitalized Subsequent to Acquisition					24,426
Gross Amount at Which Carried, Land					30,562
Gross Amount at Which Carried, Buildings and Improvements					128,443
Gross Amount at Which Carried, Total	159,005	$ 159,005			159,005
Accumulated Depreciation and Amortization	48,453	48,453			$ 48,453
Real Estate:
Balance at the end of the year	159,005	159,005
Accumulated Depreciation and Amortization:
Balance at the end of the year	48,453	$ 48,453
ONE INDEPENDENCE SQUARE | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
ONE INDEPENDENCE SQUARE | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
US BANCORP CENTER
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 11,138
Initial Cost, Buildings and Improvements					175,629
Initial Cost, Total					186,767
Costs Capitalized Subsequent to Acquisition					23,472
Gross Amount at Which Carried, Land					11,138
Gross Amount at Which Carried, Buildings and Improvements					199,101
Gross Amount at Which Carried, Total	210,239	$ 210,239			210,239
Accumulated Depreciation and Amortization	78,042	78,042			$ 78,042
Real Estate:
Balance at the end of the year	210,239	210,239
Accumulated Depreciation and Amortization:
Balance at the end of the year	78,042	$ 78,042
US BANCORP CENTER | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
US BANCORP CENTER | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
GLENRIDGE HIGHLANDS TWO
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 6,662
Initial Cost, Buildings and Improvements					69,031
Initial Cost, Total					75,693
Costs Capitalized Subsequent to Acquisition					(16,208)
Gross Amount at Which Carried, Land					6,662
Gross Amount at Which Carried, Buildings and Improvements					52,823
Gross Amount at Which Carried, Total	59,485	$ 59,485			59,485
Accumulated Depreciation and Amortization	24,203	24,203			$ 24,203
Real Estate:
Balance at the end of the year	59,485	59,485
Accumulated Depreciation and Amortization:
Balance at the end of the year	24,203	$ 24,203
GLENRIDGE HIGHLANDS TWO | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
GLENRIDGE HIGHLANDS TWO | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
200 BRIDGEWATER CROSSING
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 8,182
Initial Cost, Buildings and Improvements					84,160
Initial Cost, Total					92,342
Costs Capitalized Subsequent to Acquisition					(13,916)
Gross Amount at Which Carried, Land					8,328
Gross Amount at Which Carried, Buildings and Improvements					70,098
Gross Amount at Which Carried, Total	78,426	$ 78,426			78,426
Accumulated Depreciation and Amortization	28,421	28,421			$ 28,421
Real Estate:
Balance at the end of the year	78,426	78,426
Accumulated Depreciation and Amortization:
Balance at the end of the year	28,421	$ 28,421
200 BRIDGEWATER CROSSING | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
200 BRIDGEWATER CROSSING | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
400 VIRGINIA AVE
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 22,146
Initial Cost, Buildings and Improvements					49,740
Initial Cost, Total					71,886
Costs Capitalized Subsequent to Acquisition					134
Gross Amount at Which Carried, Land					22,146
Gross Amount at Which Carried, Buildings and Improvements					49,874
Gross Amount at Which Carried, Total	72,020	$ 72,020			72,020
Accumulated Depreciation and Amortization	19,117	19,117			$ 19,117
Real Estate:
Balance at the end of the year	72,020	72,020
Accumulated Depreciation and Amortization:
Balance at the end of the year	19,117	$ 19,117
400 VIRGINIA AVE | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
400 VIRGINIA AVE | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
4250 NORTH FAIRFAX DRIVE
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 13,636
Initial Cost, Buildings and Improvements					70,918
Initial Cost, Total					84,554
Costs Capitalized Subsequent to Acquisition					13,636
Gross Amount at Which Carried, Land					13,636
Gross Amount at Which Carried, Buildings and Improvements					84,554
Gross Amount at Which Carried, Total	98,190	$ 98,190			98,190
Accumulated Depreciation and Amortization	29,283	29,283			29,283
Real Estate:
Balance at the end of the year	98,190	98,190
Accumulated Depreciation and Amortization:
Balance at the end of the year	29,283	$ 29,283
4250 NORTH FAIRFAX DRIVE | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
4250 NORTH FAIRFAX DRIVE | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
1225 EYE STREET
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost, Land					21,959
Initial Cost, Buildings and Improvements					47,602
Initial Cost, Total					69,561
Costs Capitalized Subsequent to Acquisition					8,270
Gross Amount at Which Carried, Land					21,959
Gross Amount at Which Carried, Buildings and Improvements					55,872
Gross Amount at Which Carried, Total	77,831	$ 77,831			77,831
Accumulated Depreciation and Amortization	21,464	21,464			21,464
Real Estate:
Balance at the end of the year	77,831	77,831
Accumulated Depreciation and Amortization:
Balance at the end of the year	21,464	$ 21,464
1225 EYE STREET | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
1225 EYE STREET | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
1201 EYE STREET
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost, Land					31,985
Initial Cost, Buildings and Improvements					63,139
Initial Cost, Total					95,124
Costs Capitalized Subsequent to Acquisition					8,672
Gross Amount at Which Carried, Land					31,985
Gross Amount at Which Carried, Buildings and Improvements					71,811
Gross Amount at Which Carried, Total	103,796	$ 103,796			103,796
Accumulated Depreciation and Amortization	24,231	24,231			$ 24,231
Real Estate:
Balance at the end of the year	103,796	103,796
Accumulated Depreciation and Amortization:
Balance at the end of the year	24,231	$ 24,231
1201 EYE STREET | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
1201 EYE STREET | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
1901 MARKET STREET
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Encumbrances					$ 160,000
Initial Cost, Land					13,584
Initial Cost, Buildings and Improvements					166,683
Initial Cost, Total					180,267
Costs Capitalized Subsequent to Acquisition					53,684
Gross Amount at Which Carried, Land					20,829
Gross Amount at Which Carried, Buildings and Improvements					213,122
Gross Amount at Which Carried, Total	233,951	$ 233,951			233,951
Accumulated Depreciation and Amortization	86,647	86,647			$ 86,647
Real Estate:
Balance at the end of the year	233,951	233,951
Accumulated Depreciation and Amortization:
Balance at the end of the year	86,647	$ 86,647
1901 MARKET STREET | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
1901 MARKET STREET | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
60 BROAD STREET
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 32,522
Initial Cost, Buildings and Improvements					168,986
Initial Cost, Total					201,508
Costs Capitalized Subsequent to Acquisition					14,807
Gross Amount at Which Carried, Land					60,708
Gross Amount at Which Carried, Buildings and Improvements					155,607
Gross Amount at Which Carried, Total	216,315	$ 216,315			216,315
Accumulated Depreciation and Amortization	62,891	62,891			$ 62,891
Real Estate:
Balance at the end of the year	216,315	216,315
Accumulated Depreciation and Amortization:
Balance at the end of the year	62,891	$ 62,891
60 BROAD STREET | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
60 BROAD STREET | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
1414 MASSACHUSETTS AVENUE
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 4,210
Initial Cost, Buildings and Improvements					35,821
Initial Cost, Total					40,031
Costs Capitalized Subsequent to Acquisition					(8,031)
Gross Amount at Which Carried, Land					4,365
Gross Amount at Which Carried, Buildings and Improvements					27,635
Gross Amount at Which Carried, Total	32,000	$ 32,000			32,000
Accumulated Depreciation and Amortization	10,421	10,421			$ 10,421
Real Estate:
Balance at the end of the year	32,000	32,000
Accumulated Depreciation and Amortization:
Balance at the end of the year	10,421	$ 10,421
1414 MASSACHUSETTS AVENUE | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
1414 MASSACHUSETTS AVENUE | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
ONE BRATTLE SQUARE
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 6,974
Initial Cost, Buildings and Improvements					64,940
Initial Cost, Total					71,914
Costs Capitalized Subsequent to Acquisition					(23,725)
Gross Amount at Which Carried, Land					7,113
Gross Amount at Which Carried, Buildings and Improvements					41,076
Gross Amount at Which Carried, Total	48,189	$ 48,189			48,189
Accumulated Depreciation and Amortization	15,703	15,703			$ 15,703
Real Estate:
Balance at the end of the year	48,189	48,189
Accumulated Depreciation and Amortization:
Balance at the end of the year	15,703	$ 15,703
ONE BRATTLE SQUARE | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
ONE BRATTLE SQUARE | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
600 CORPORATE DRIVE
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 3,934
Initial Cost, Buildings and Improvements					0
Initial Cost, Total					3,934
Costs Capitalized Subsequent to Acquisition					16,281
Gross Amount at Which Carried, Land					3,934
Gross Amount at Which Carried, Buildings and Improvements					16,281
Gross Amount at Which Carried, Total	20,215	$ 20,215			20,215
Accumulated Depreciation and Amortization	8,173	8,173			$ 8,173
Real Estate:
Balance at the end of the year	20,215	20,215
Accumulated Depreciation and Amortization:
Balance at the end of the year	8,173	$ 8,173
600 CORPORATE DRIVE | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
600 CORPORATE DRIVE | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
3100 CLARENDON BOULEVARD
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 11,700
Initial Cost, Buildings and Improvements					69,705
Initial Cost, Total					81,405
Costs Capitalized Subsequent to Acquisition					46,315
Gross Amount at Which Carried, Land					11,791
Gross Amount at Which Carried, Buildings and Improvements					115,929
Gross Amount at Which Carried, Total	127,720	$ 127,720			127,720
Accumulated Depreciation and Amortization	29,690	29,690			$ 29,690
Real Estate:
Balance at the end of the year	127,720	127,720
Accumulated Depreciation and Amortization:
Balance at the end of the year	29,690	$ 29,690
3100 CLARENDON BOULEVARD | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
3100 CLARENDON BOULEVARD | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
400 BRIDGEWATER CROSSING
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 10,400
Initial Cost, Buildings and Improvements					71,052
Initial Cost, Total					81,452
Costs Capitalized Subsequent to Acquisition					(14,215)
Gross Amount at Which Carried, Land					10,400
Gross Amount at Which Carried, Buildings and Improvements					56,837
Gross Amount at Which Carried, Total	67,237	$ 67,237			67,237
Accumulated Depreciation and Amortization	18,090	18,090			$ 18,090
Real Estate:
Balance at the end of the year	67,237	67,237
Accumulated Depreciation and Amortization:
Balance at the end of the year	18,090	$ 18,090
400 BRIDGEWATER CROSSING | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
400 BRIDGEWATER CROSSING | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
LAS COLINAS CORPORATE CENTER I
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 3,912
Initial Cost, Buildings and Improvements					18,830
Initial Cost, Total					22,742
Costs Capitalized Subsequent to Acquisition					(3,701)
Gross Amount at Which Carried, Land					2,543
Gross Amount at Which Carried, Buildings and Improvements					16,498
Gross Amount at Which Carried, Total	19,041	$ 19,041			19,041
Accumulated Depreciation and Amortization	6,281	6,281			$ 6,281
Real Estate:
Balance at the end of the year	19,041	19,041
Accumulated Depreciation and Amortization:
Balance at the end of the year	6,281	$ 6,281
LAS COLINAS CORPORATE CENTER I | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
LAS COLINAS CORPORATE CENTER I | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
LAS COLINAS CORPORATE CENTER II
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 4,496
Initial Cost, Buildings and Improvements					29,881
Initial Cost, Total					34,377
Costs Capitalized Subsequent to Acquisition					(3,846)
Gross Amount at Which Carried, Land					2,543
Gross Amount at Which Carried, Buildings and Improvements					27,988
Gross Amount at Which Carried, Total	30,531	$ 30,531			30,531
Accumulated Depreciation and Amortization	9,774	9,774			$ 9,774
Real Estate:
Balance at the end of the year	30,531	30,531
Accumulated Depreciation and Amortization:
Balance at the end of the year	9,774	$ 9,774
LAS COLINAS CORPORATE CENTER II | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
LAS COLINAS CORPORATE CENTER II | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
TWO PIERCE PLACE
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 4,370
Initial Cost, Buildings and Improvements					70,632
Initial Cost, Total					75,002
Costs Capitalized Subsequent to Acquisition					8,783
Gross Amount at Which Carried, Land					8,156
Gross Amount at Which Carried, Buildings and Improvements					75,629
Gross Amount at Which Carried, Total	83,785	$ 83,785			83,785
Accumulated Depreciation and Amortization	20,322	20,322			$ 20,322
Real Estate:
Balance at the end of the year	83,785	83,785
Accumulated Depreciation and Amortization:
Balance at the end of the year	20,322	$ 20,322
TWO PIERCE PLACE | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
TWO PIERCE PLACE | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
ONE MERIDIAN CROSSINGS
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 2,919
Initial Cost, Buildings and Improvements					24,398
Initial Cost, Total					27,317
Costs Capitalized Subsequent to Acquisition					318
Gross Amount at Which Carried, Land					2,919
Gross Amount at Which Carried, Buildings and Improvements					24,716
Gross Amount at Which Carried, Total	27,635	$ 27,635			27,635
Accumulated Depreciation and Amortization	5,749	5,749			$ 5,749
Real Estate:
Balance at the end of the year	27,635	27,635
Accumulated Depreciation and Amortization:
Balance at the end of the year	5,749	$ 5,749
ONE MERIDIAN CROSSINGS | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
ONE MERIDIAN CROSSINGS | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
TWO MERIDIAN CROSSINGS
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 2,661
Initial Cost, Buildings and Improvements					25,742
Initial Cost, Total					28,403
Costs Capitalized Subsequent to Acquisition					673
Gross Amount at Which Carried, Land					2,661
Gross Amount at Which Carried, Buildings and Improvements					26,415
Gross Amount at Which Carried, Total	29,076	$ 29,076			29,076
Accumulated Depreciation and Amortization	6,167	6,167			$ 6,167
Real Estate:
Balance at the end of the year	29,076	29,076
Accumulated Depreciation and Amortization:
Balance at the end of the year	6,167	$ 6,167
TWO MERIDIAN CROSSINGS | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
TWO MERIDIAN CROSSINGS | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
500 WEST MONROE STREET
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 36,990
Initial Cost, Buildings and Improvements					185,113
Initial Cost, Total					222,103
Costs Capitalized Subsequent to Acquisition					52,437
Gross Amount at Which Carried, Land					36,990
Gross Amount at Which Carried, Buildings and Improvements					237,550
Gross Amount at Which Carried, Total	274,540	$ 274,540			274,540
Accumulated Depreciation and Amortization	54,023	54,023			$ 54,023
Real Estate:
Balance at the end of the year	274,540	274,540
Accumulated Depreciation and Amortization:
Balance at the end of the year	54,023	$ 54,023
500 WEST MONROE STREET | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
500 WEST MONROE STREET | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
THE DUPREE
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 4,080
Initial Cost, Buildings and Improvements					14,310
Initial Cost, Total					18,390
Costs Capitalized Subsequent to Acquisition					894
Gross Amount at Which Carried, Land					4,080
Gross Amount at Which Carried, Buildings and Improvements					15,204
Gross Amount at Which Carried, Total	19,284	$ 19,284			19,284
Accumulated Depreciation and Amortization	5,235	5,235			$ 5,235
Real Estate:
Balance at the end of the year	19,284	19,284
Accumulated Depreciation and Amortization:
Balance at the end of the year	5,235	$ 5,235
THE DUPREE | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
THE DUPREE | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
THE MEDICI
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 1,780
Initial Cost, Buildings and Improvements					11,510
Initial Cost, Total					13,290
Costs Capitalized Subsequent to Acquisition					5,473
Gross Amount at Which Carried, Land					1,780
Gross Amount at Which Carried, Buildings and Improvements					16,983
Gross Amount at Which Carried, Total	18,763	$ 18,763			18,763
Accumulated Depreciation and Amortization	4,690	4,690			$ 4,690
Real Estate:
Balance at the end of the year	18,763	18,763
Accumulated Depreciation and Amortization:
Balance at the end of the year	4,690	$ 4,690
THE MEDICI | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
THE MEDICI | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
225 PRESIDENTIAL WAY
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 3,626
Initial Cost, Buildings and Improvements					36,916
Initial Cost, Total					40,542
Costs Capitalized Subsequent to Acquisition					217
Gross Amount at Which Carried, Land					3,612
Gross Amount at Which Carried, Buildings and Improvements					37,147
Gross Amount at Which Carried, Total	40,759	$ 40,759			40,759
Accumulated Depreciation and Amortization	11,241	11,241			$ 11,241
Real Estate:
Balance at the end of the year	40,759	40,759
Accumulated Depreciation and Amortization:
Balance at the end of the year	11,241	$ 11,241
225 PRESIDENTIAL WAY | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
225 PRESIDENTIAL WAY | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
235 PRESIDENTIAL WAY
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 4,154
Initial Cost, Buildings and Improvements					44,048
Initial Cost, Total					48,202
Costs Capitalized Subsequent to Acquisition					240
Gross Amount at Which Carried, Land					4,138
Gross Amount at Which Carried, Buildings and Improvements					44,304
Gross Amount at Which Carried, Total	48,442	$ 48,442			48,442
Accumulated Depreciation and Amortization	13,360	13,360			$ 13,360
Real Estate:
Balance at the end of the year	48,442	48,442
Accumulated Depreciation and Amortization:
Balance at the end of the year	13,360	$ 13,360
235 PRESIDENTIAL WAY | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
235 PRESIDENTIAL WAY | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
400 TOWNPARK
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 2,570
Initial Cost, Buildings and Improvements					20,555
Initial Cost, Total					23,125
Costs Capitalized Subsequent to Acquisition					4,725
Gross Amount at Which Carried, Land					2,570
Gross Amount at Which Carried, Buildings and Improvements					25,280
Gross Amount at Which Carried, Total	27,850	$ 27,850			27,850
Accumulated Depreciation and Amortization	5,811	5,811			$ 5,811
Real Estate:
Balance at the end of the year	27,850	27,850
Accumulated Depreciation and Amortization:
Balance at the end of the year	5,811	$ 5,811
400 TOWNPARK | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
400 TOWNPARK | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
ARLINGTON GATEWAY
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 36,930
Initial Cost, Buildings and Improvements					129,070
Initial Cost, Total					166,000
Costs Capitalized Subsequent to Acquisition					(1,777)
Gross Amount at Which Carried, Land					36,930
Gross Amount at Which Carried, Buildings and Improvements					127,293
Gross Amount at Which Carried, Total	164,223	$ 164,223			164,223
Accumulated Depreciation and Amortization	19,521	19,521			$ 19,521
Real Estate:
Balance at the end of the year	164,223	164,223
Accumulated Depreciation and Amortization:
Balance at the end of the year	19,521	$ 19,521
ARLINGTON GATEWAY | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
ARLINGTON GATEWAY | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
5 & 15 WAYSIDE ROAD
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 7,190
Initial Cost, Buildings and Improvements					55,445
Initial Cost, Total					62,635
Costs Capitalized Subsequent to Acquisition					6,653
Gross Amount at Which Carried, Land					7,190
Gross Amount at Which Carried, Buildings and Improvements					62,098
Gross Amount at Which Carried, Total	69,288	$ 69,288			69,288
Accumulated Depreciation and Amortization	10,185	10,185			$ 10,185
Real Estate:
Balance at the end of the year	69,288	69,288
Accumulated Depreciation and Amortization:
Balance at the end of the year	10,185	$ 10,185
5 & 15 WAYSIDE ROAD | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
5 & 15 WAYSIDE ROAD | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
6565 MACARTHUR BOULEVARD
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 4,820
Initial Cost, Buildings and Improvements					37,767
Initial Cost, Total					42,587
Costs Capitalized Subsequent to Acquisition					(464)
Gross Amount at Which Carried, Land					4,820
Gross Amount at Which Carried, Buildings and Improvements					37,303
Gross Amount at Which Carried, Total	42,123	$ 42,123			42,123
Accumulated Depreciation and Amortization	5,690	5,690			$ 5,690
Real Estate:
Balance at the end of the year	42,123	42,123
Accumulated Depreciation and Amortization:
Balance at the end of the year	5,690	$ 5,690
6565 MACARTHUR BOULEVARD | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
6565 MACARTHUR BOULEVARD | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
ONE LINCOLN PARK
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 6,640
Initial Cost, Buildings and Improvements					44,810
Initial Cost, Total					51,450
Costs Capitalized Subsequent to Acquisition					1,428
Gross Amount at Which Carried, Land					6,640
Gross Amount at Which Carried, Buildings and Improvements					46,238
Gross Amount at Which Carried, Total	52,878	$ 52,878			52,878
Accumulated Depreciation and Amortization	8,151	8,151			$ 8,151
Real Estate:
Balance at the end of the year	52,878	52,878
Accumulated Depreciation and Amortization:
Balance at the end of the year	8,151	$ 8,151
ONE LINCOLN PARK | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
ONE LINCOLN PARK | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
161 CORPORATE CENTER
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 2,020
Initial Cost, Buildings and Improvements					10,680
Initial Cost, Total					12,700
Costs Capitalized Subsequent to Acquisition					(16)
Gross Amount at Which Carried, Land					2,020
Gross Amount at Which Carried, Buildings and Improvements					10,664
Gross Amount at Which Carried, Total	12,684	$ 12,684			12,684
Accumulated Depreciation and Amortization	2,698	2,698			$ 2,698
Real Estate:
Balance at the end of the year	12,684	12,684
Accumulated Depreciation and Amortization:
Balance at the end of the year	2,698	$ 2,698
161 CORPORATE CENTER | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
161 CORPORATE CENTER | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
5 WALL STREET
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Encumbrances					$ 29,706
Initial Cost, Land					9,560
Initial Cost, Buildings and Improvements					50,276
Initial Cost, Total					59,836
Costs Capitalized Subsequent to Acquisition					365
Gross Amount at Which Carried, Land					9,560
Gross Amount at Which Carried, Buildings and Improvements					50,641
Gross Amount at Which Carried, Total	60,201	$ 60,201			60,201
Accumulated Depreciation and Amortization	9,378	9,378			$ 9,378
Real Estate:
Balance at the end of the year	60,201	60,201
Accumulated Depreciation and Amortization:
Balance at the end of the year	9,378	$ 9,378
5 WALL STREET | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
5 WALL STREET | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
1155 PERIMETER CENTER WEST
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 5,870
Initial Cost, Buildings and Improvements					66,849
Initial Cost, Total					72,719
Costs Capitalized Subsequent to Acquisition					32
Gross Amount at Which Carried, Land					5,870
Gross Amount at Which Carried, Buildings and Improvements					66,881
Gross Amount at Which Carried, Total	72,751	$ 72,751			72,751
Accumulated Depreciation and Amortization	12,969	12,969			$ 12,969
Real Estate:
Balance at the end of the year	72,751	72,751
Accumulated Depreciation and Amortization:
Balance at the end of the year	12,969	$ 12,969
1155 PERIMETER CENTER WEST | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
1155 PERIMETER CENTER WEST | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
500 TOWNPARK
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 2,147
Initial Cost, Buildings and Improvements					21,925
Initial Cost, Total					24,072
Costs Capitalized Subsequent to Acquisition					4,108
Gross Amount at Which Carried, Land					2,147
Gross Amount at Which Carried, Buildings and Improvements					26,033
Gross Amount at Which Carried, Total	28,180	$ 28,180			28,180
Accumulated Depreciation and Amortization	1,644	1,644			$ 1,644
Real Estate:
Balance at the end of the year	28,180	28,180
Accumulated Depreciation and Amortization:
Balance at the end of the year	1,644	$ 1,644
500 TOWNPARK | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
500 TOWNPARK | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
PARK PLACE ON TURTLE CREEK
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 4,470
Initial Cost, Buildings and Improvements					38,048
Initial Cost, Total					42,518
Costs Capitalized Subsequent to Acquisition					2,836
Gross Amount at Which Carried, Land					4,470
Gross Amount at Which Carried, Buildings and Improvements					40,884
Gross Amount at Which Carried, Total	45,354	$ 45,354			45,354
Accumulated Depreciation and Amortization	6,079	6,079			$ 6,079
Real Estate:
Balance at the end of the year	45,354	45,354
Accumulated Depreciation and Amortization:
Balance at the end of the year	6,079	$ 6,079
PARK PLACE ON TURTLE CREEK | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
PARK PLACE ON TURTLE CREEK | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
80 CENTRAL STREET
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 1,980
Initial Cost, Buildings and Improvements					8,930
Initial Cost, Total					10,910
Costs Capitalized Subsequent to Acquisition					245
Gross Amount at Which Carried, Land					1,980
Gross Amount at Which Carried, Buildings and Improvements					9,175
Gross Amount at Which Carried, Total	11,155	$ 11,155			11,155
Accumulated Depreciation and Amortization	1,451	1,451			$ 1,451
Real Estate:
Balance at the end of the year	11,155	11,155
Accumulated Depreciation and Amortization:
Balance at the end of the year	1,451	$ 1,451
80 CENTRAL STREET | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
80 CENTRAL STREET | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
ENCLAVE PLACE
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 1,890
Initial Cost, Buildings and Improvements					60,094
Initial Cost, Total					61,984
Costs Capitalized Subsequent to Acquisition					3,756
Gross Amount at Which Carried, Land					1,890
Gross Amount at Which Carried, Buildings and Improvements					63,850
Gross Amount at Which Carried, Total	65,740	$ 65,740			65,740
Accumulated Depreciation and Amortization	5,188	5,188			$ 5,188
Real Estate:
Balance at the end of the year	65,740	65,740
Accumulated Depreciation and Amortization:
Balance at the end of the year	5,188	$ 5,188
ENCLAVE PLACE | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
ENCLAVE PLACE | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
SUNTRUST CENTER
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 11,660
Initial Cost, Buildings and Improvements					139,015
Initial Cost, Total					150,675
Costs Capitalized Subsequent to Acquisition					923
Gross Amount at Which Carried, Land					11,660
Gross Amount at Which Carried, Buildings and Improvements					139,938
Gross Amount at Which Carried, Total	151,598	$ 151,598			151,598
Accumulated Depreciation and Amortization	16,979	16,979			$ 16,979
Real Estate:
Balance at the end of the year	151,598	151,598
Accumulated Depreciation and Amortization:
Balance at the end of the year	16,979	$ 16,979
SUNTRUST CENTER | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
SUNTRUST CENTER | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
GALLERIA 300
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 4,000
Initial Cost, Buildings and Improvements					73,554
Initial Cost, Total					77,554
Costs Capitalized Subsequent to Acquisition					1,880
Gross Amount at Which Carried, Land					4,000
Gross Amount at Which Carried, Buildings and Improvements					75,434
Gross Amount at Which Carried, Total	79,434	$ 79,434			79,434
Accumulated Depreciation and Amortization	9,400	9,400			$ 9,400
Real Estate:
Balance at the end of the year	79,434	79,434
Accumulated Depreciation and Amortization:
Balance at the end of the year	9,400	$ 9,400
GALLERIA 300 | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
GALLERIA 300 | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
GLENRIDGE HIGHLANDS ONE
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 5,960
Initial Cost, Buildings and Improvements					50,013
Initial Cost, Total					55,973
Costs Capitalized Subsequent to Acquisition					157
Gross Amount at Which Carried, Land					5,960
Gross Amount at Which Carried, Buildings and Improvements					50,170
Gross Amount at Which Carried, Total	56,130	$ 56,130			56,130
Accumulated Depreciation and Amortization	6,321	6,321			$ 6,321
Real Estate:
Balance at the end of the year	56,130	56,130
Accumulated Depreciation and Amortization:
Balance at the end of the year	6,321	$ 6,321
GLENRIDGE HIGHLANDS ONE | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
GLENRIDGE HIGHLANDS ONE | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
CNL CENTER I
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					99.00%
Initial Cost, Land					$ 6,470
Initial Cost, Buildings and Improvements					77,858
Initial Cost, Total					84,328
Costs Capitalized Subsequent to Acquisition					(28)
Gross Amount at Which Carried, Land					6,470
Gross Amount at Which Carried, Buildings and Improvements					77,830
Gross Amount at Which Carried, Total	84,300	$ 84,300			84,300
Accumulated Depreciation and Amortization	8,382	8,382			$ 8,382
Real Estate:
Balance at the end of the year	84,300	84,300
Accumulated Depreciation and Amortization:
Balance at the end of the year	8,382	$ 8,382
CNL CENTER I | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
CNL CENTER I | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
CNL CENTER II
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					99.00%
Initial Cost, Land					$ 4,550
Initial Cost, Buildings and Improvements					55,609
Initial Cost, Total					60,159
Costs Capitalized Subsequent to Acquisition					455
Gross Amount at Which Carried, Land					4,550
Gross Amount at Which Carried, Buildings and Improvements					56,064
Gross Amount at Which Carried, Total	60,614	$ 60,614			60,614
Accumulated Depreciation and Amortization	5,458	5,458			$ 5,458
Real Estate:
Balance at the end of the year	60,614	60,614
Accumulated Depreciation and Amortization:
Balance at the end of the year	5,458	$ 5,458
CNL CENTER II | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
CNL CENTER II | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
ONE WAYSIDE ROAD
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 6,240
Initial Cost, Buildings and Improvements					57,124
Initial Cost, Total					63,364
Costs Capitalized Subsequent to Acquisition					(4,471)
Gross Amount at Which Carried, Land					6,240
Gross Amount at Which Carried, Buildings and Improvements					52,653
Gross Amount at Which Carried, Total	58,893	$ 58,893			58,893
Accumulated Depreciation and Amortization	3,289	3,289			$ 3,289
Real Estate:
Balance at the end of the year	58,893	58,893
Accumulated Depreciation and Amortization:
Balance at the end of the year	3,289	$ 3,289
ONE WAYSIDE ROAD | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
ONE WAYSIDE ROAD | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
GALLERIA 200
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 6,470
Initial Cost, Buildings and Improvements					55,825
Initial Cost, Total					62,295
Costs Capitalized Subsequent to Acquisition					549
Gross Amount at Which Carried, Land					6,470
Gross Amount at Which Carried, Buildings and Improvements					56,374
Gross Amount at Which Carried, Total	62,844	$ 62,844			62,844
Accumulated Depreciation and Amortization	5,179	5,179			$ 5,179
Real Estate:
Balance at the end of the year	62,844	62,844
Accumulated Depreciation and Amortization:
Balance at the end of the year	5,179	$ 5,179
GALLERIA 200 | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
GALLERIA 200 | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
750 WEST JOHN CARPENTER FREEWAY
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 7,860
Initial Cost, Buildings and Improvements					36,303
Initial Cost, Total					44,163
Costs Capitalized Subsequent to Acquisition					1,931
Gross Amount at Which Carried, Land					7,860
Gross Amount at Which Carried, Buildings and Improvements					38,234
Gross Amount at Which Carried, Total	46,094	$ 46,094			46,094
Accumulated Depreciation and Amortization	4,196	4,196			$ 4,196
Real Estate:
Balance at the end of the year	46,094	46,094
Accumulated Depreciation and Amortization:
Balance at the end of the year	4,196	$ 4,196
750 WEST JOHN CARPENTER FREEWAY | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
750 WEST JOHN CARPENTER FREEWAY | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
NORMAN POINTE I
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 4,358
Initial Cost, Buildings and Improvements					22,322
Initial Cost, Total					26,680
Costs Capitalized Subsequent to Acquisition					251
Gross Amount at Which Carried, Land					4,360
Gross Amount at Which Carried, Buildings and Improvements					22,571
Gross Amount at Which Carried, Total	26,931	$ 26,931			26,931
Accumulated Depreciation and Amortization	1,034	1,034			$ 1,034
Real Estate:
Balance at the end of the year	26,931	26,931
Accumulated Depreciation and Amortization:
Balance at the end of the year	1,034	$ 1,034
NORMAN POINTE I | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
NORMAN POINTE I | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
501 West Church Street
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 2,805
Initial Cost, Buildings and Improvements					28,119
Initial Cost, Total					30,924
Costs Capitalized Subsequent to Acquisition					0
Gross Amount at Which Carried, Land					2,805
Gross Amount at Which Carried, Buildings and Improvements					28,119
Gross Amount at Which Carried, Total	30,924	$ 30,924			30,924
Accumulated Depreciation and Amortization	1,035	1,035			$ 1,035
Real Estate:
Balance at the end of the year	30,924	30,924
Accumulated Depreciation and Amortization:
Balance at the end of the year	1,035	$ 1,035
501 West Church Street | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
501 West Church Street | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
9320 Excelsior Boulevard
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 3,760
Initial Cost, Buildings and Improvements					35,289
Initial Cost, Total					39,049
Costs Capitalized Subsequent to Acquisition					0
Gross Amount at Which Carried, Land					3,760
Gross Amount at Which Carried, Buildings and Improvements					35,289
Gross Amount at Which Carried, Total	39,049	$ 39,049			39,049
Accumulated Depreciation and Amortization	408	408			$ 408
Real Estate:
Balance at the end of the year	39,049	39,049
Accumulated Depreciation and Amortization:
Balance at the end of the year	408	$ 408
9320 Excelsior Boulevard | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
9320 Excelsior Boulevard | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
25 Burlington Mall Road
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 10,230
Initial Cost, Buildings and Improvements					54,787
Initial Cost, Total					65,017
Costs Capitalized Subsequent to Acquisition					0
Gross Amount at Which Carried, Land					10,230
Gross Amount at Which Carried, Buildings and Improvements					54,787
Gross Amount at Which Carried, Total	65,017	$ 65,017			65,017
Accumulated Depreciation and Amortization	555	555			$ 555
Real Estate:
Balance at the end of the year	65,017	65,017
Accumulated Depreciation and Amortization:
Balance at the end of the year	555	$ 555
25 Burlington Mall Road | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
25 Burlington Mall Road | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
PIEDMONT POWER, LLC
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 0
Initial Cost, Buildings and Improvements					79
Initial Cost, Total					79
Costs Capitalized Subsequent to Acquisition					2,740
Gross Amount at Which Carried, Land					0
Gross Amount at Which Carried, Buildings and Improvements					2,819
Gross Amount at Which Carried, Total	2,819	$ 2,819			2,819
Accumulated Depreciation and Amortization	818	818			$ 818
Real Estate:
Balance at the end of the year	2,819	2,819
Accumulated Depreciation and Amortization:
Balance at the end of the year	818	$ 818
PIEDMONT POWER, LLC | Minimum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		0 years
PIEDMONT POWER, LLC | Maximum
Real Estate and Accumulated Depreciation [Line Items]
Life on which Depreciation and Amortization is Computed		40 years
UNDEVELOPED LAND PARCELS
Real Estate and Accumulated Depreciation [Line Items]
Ownership Percentage					100.00%
Initial Cost, Land					$ 18,061
Initial Cost, Buildings and Improvements					0
Initial Cost, Total					18,061
Costs Capitalized Subsequent to Acquisition					(860)
Gross Amount at Which Carried, Land					15,914
Gross Amount at Which Carried, Buildings and Improvements					1,287
Gross Amount at Which Carried, Total	17,201	$ 17,201			17,201
Accumulated Depreciation and Amortization	41	41			$ 41
Real Estate:
Balance at the end of the year	17,201	17,201
Accumulated Depreciation and Amortization:
Balance at the end of the year	$ 41	$ 41