Schedule III - Real Estate Assets and Accumulated Depreciation (Detail) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2018		Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Land, Initial Cost to Company		$ 223,296
Buildings and Improvements, Initial Cost to Company		2,592,017
Cost Capitalized Subsequent to Acquisition		920,434
Land and Land Improvements, Gross Amount		273,596
Buildings and Leasehold Improvements, Gross Amount		3,423,564
Total Gross Amount		3,697,160	[1]	$ 3,367,358	$ 3,306,896	$ 3,246,119
Accumulated Depreciation		$ (1,075,389)	[2]	$ (976,121)	$ (888,745)	$ (772,112)
Adams County Correctional Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Adams County, Mississippi
Land, Initial Cost to Company		$ 874
Buildings and Improvements, Initial Cost to Company		119,565
Cost Capitalized Subsequent to Acquisition		3,254
Land and Land Improvements, Gross Amount		1,089
Buildings and Leasehold Improvements, Gross Amount		122,604
Total Gross Amount	[1]	123,693
Accumulated Depreciation	[2]	$ (25,164)
Constructed/Acquired Date		2008
Adams Transitional Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Denver, Colorado
Land, Initial Cost to Company		$ 6,090
Buildings and Improvements, Initial Cost to Company		853
Cost Capitalized Subsequent to Acquisition		137
Land and Land Improvements, Gross Amount		6,090
Buildings and Leasehold Improvements, Gross Amount		990
Total Gross Amount	[1]	7,080
Accumulated Depreciation	[2]	$ (40)
Constructed/Acquired Date		2017
Arapahoe Community Treatment Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Englewood, Colorado
Land, Initial Cost to Company		$ 3,760
Buildings and Improvements, Initial Cost to Company		1,239
Cost Capitalized Subsequent to Acquisition		262
Land and Land Improvements, Gross Amount		3,760
Buildings and Leasehold Improvements, Gross Amount		1,501
Total Gross Amount	[1]	5,261
Accumulated Depreciation	[2]	$ (94)
Constructed/Acquired Date		2017
Augusta Transitional Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Augusta, Georgia
Land, Initial Cost to Company		$ 1,281
Buildings and Improvements, Initial Cost to Company		2,674
Cost Capitalized Subsequent to Acquisition		39
Land and Land Improvements, Gross Amount		1,281
Buildings and Leasehold Improvements, Gross Amount		2,713
Total Gross Amount	[1]	3,994
Accumulated Depreciation	[2]	$ (90)
Constructed/Acquired Date		2017
Austin Residential Reentry Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Del Valle, Texas
Land, Initial Cost to Company		$ 4,190
Buildings and Improvements, Initial Cost to Company		1,058
Cost Capitalized Subsequent to Acquisition		341
Land and Land Improvements, Gross Amount		4,201
Buildings and Leasehold Improvements, Gross Amount		1,388
Total Gross Amount	[1]	5,589
Accumulated Depreciation	[2]	$ (215)
Constructed/Acquired Date		2015
Austin Transitional Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Del Valle, Texas
Land, Initial Cost to Company		$ 19,488
Buildings and Improvements, Initial Cost to Company		4,607
Cost Capitalized Subsequent to Acquisition		892
Land and Land Improvements, Gross Amount		19,497
Buildings and Leasehold Improvements, Gross Amount		5,490
Total Gross Amount	[1]	24,987
Accumulated Depreciation	[2]	$ (738)
Constructed/Acquired Date		2015
Bent County Correctional Facility
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Las Animas, Colorado
Land, Initial Cost to Company		$ 550
Buildings and Improvements, Initial Cost to Company		13,115
Cost Capitalized Subsequent to Acquisition		68,273
Land and Land Improvements, Gross Amount		1,535
Buildings and Leasehold Improvements, Gross Amount		80,403
Total Gross Amount	[1]	81,938
Accumulated Depreciation	[2]	$ (25,805)
Constructed/Acquired Date		1992
Bridgeport Pre-Parole Transfer Facility
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Bridgeport, Texas
Land, Initial Cost to Company		$ 70
Buildings and Improvements, Initial Cost to Company		291
Land and Land Improvements, Gross Amount		70
Total Gross Amount	[1],[3]	$ 70
Constructed/Acquired Date		1995
Broad Street Residential Reentry Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Philadelphia, Pennsylvania
Land, Initial Cost to Company		$ 663
Buildings and Improvements, Initial Cost to Company		2,700
Cost Capitalized Subsequent to Acquisition		190
Land and Land Improvements, Gross Amount		663
Buildings and Leasehold Improvements, Gross Amount		2,890
Total Gross Amount	[1]	3,553
Accumulated Depreciation	[2]	$ (251)
Constructed/Acquired Date		2015
CAI - Boston Avenue
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		San Diego, California
Land, Initial Cost to Company		$ 800
Buildings and Improvements, Initial Cost to Company		11,440
Cost Capitalized Subsequent to Acquisition		1,170
Land and Land Improvements, Gross Amount		834
Buildings and Leasehold Improvements, Gross Amount		12,576
Total Gross Amount	[1]	13,410
Accumulated Depreciation	[2]	$ (2,254)
Constructed/Acquired Date		2013
California City Correctional Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		California City, California
Land, Initial Cost to Company		$ 1,785
Buildings and Improvements, Initial Cost to Company		125,337
Cost Capitalized Subsequent to Acquisition		13,144
Land and Land Improvements, Gross Amount		2,644
Buildings and Leasehold Improvements, Gross Amount		137,622
Total Gross Amount	[1]	140,266
Accumulated Depreciation	[2]	$ (51,843)
Constructed/Acquired Date		1999
Capital Commerce Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Tallahassee, Florida
Land, Initial Cost to Company		$ 2,255
Buildings and Improvements, Initial Cost to Company		38,362
Cost Capitalized Subsequent to Acquisition		171
Land and Land Improvements, Gross Amount		2,255
Buildings and Leasehold Improvements, Gross Amount		38,533
Total Gross Amount	[1]	40,788
Accumulated Depreciation	[2]	$ (962)
Constructed/Acquired Date		2018
Carver Transitional Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Oklahoma City, Oklahoma
Land, Initial Cost to Company		$ 8,562
Buildings and Improvements, Initial Cost to Company		4,631
Cost Capitalized Subsequent to Acquisition		1,080
Land and Land Improvements, Gross Amount		8,599
Buildings and Leasehold Improvements, Gross Amount		5,674
Total Gross Amount	[1]	14,273
Accumulated Depreciation	[2]	$ (761)
Constructed/Acquired Date		2015
Centennial Community Transition Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Englewood, Colorado
Land, Initial Cost to Company		$ 4,905
Buildings and Improvements, Initial Cost to Company		1,256
Cost Capitalized Subsequent to Acquisition		184
Land and Land Improvements, Gross Amount		4,908
Buildings and Leasehold Improvements, Gross Amount		1,437
Total Gross Amount	[1]	6,345
Accumulated Depreciation	[2]	$ (147)
Constructed/Acquired Date		2016
Central Arizona Florence Correctional Complex
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Florence, Arizona
Land, Initial Cost to Company		$ 1,298
Buildings and Improvements, Initial Cost to Company		133,531
Cost Capitalized Subsequent to Acquisition		48,597
Land and Land Improvements, Gross Amount		4,375
Buildings and Leasehold Improvements, Gross Amount		179,051
Total Gross Amount	[1]	183,426
Accumulated Depreciation	[2]	$ (71,490)
Central Arizona Florence Correctional Complex | Minimum
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Constructed/Acquired Date		1994
Central Arizona Florence Correctional Complex | Maximum
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Constructed/Acquired Date		1999
Chester Residential Reentry Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Chester, Pennsylvania
Land, Initial Cost to Company		$ 657
Buildings and Improvements, Initial Cost to Company		2,679
Land and Land Improvements, Gross Amount		657
Buildings and Leasehold Improvements, Gross Amount		2,679
Total Gross Amount	[1]	3,336
Accumulated Depreciation	[2]	$ (229)
Constructed/Acquired Date		2015
Cheyenne Transitional Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Cheyenne, Wyoming
Land, Initial Cost to Company		$ 5,567
Buildings and Improvements, Initial Cost to Company		2,092
Cost Capitalized Subsequent to Acquisition		535
Land and Land Improvements, Gross Amount		5,567
Buildings and Leasehold Improvements, Gross Amount		2,627
Total Gross Amount	[1]	8,194
Accumulated Depreciation	[2]	$ (345)
Constructed/Acquired Date		2015
Cibola County Corrections Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Milan, New Mexico
Land, Initial Cost to Company		$ 444
Buildings and Improvements, Initial Cost to Company		16,215
Cost Capitalized Subsequent to Acquisition		32,044
Land and Land Improvements, Gross Amount		1,368
Buildings and Leasehold Improvements, Gross Amount		47,335
Total Gross Amount	[1]	48,703
Accumulated Depreciation	[2]	$ (19,969)
Constructed/Acquired Date		1994
Cimarron Correctional Facility
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Cushing, Oklahoma
Land, Initial Cost to Company		$ 250
Buildings and Improvements, Initial Cost to Company		71,303
Cost Capitalized Subsequent to Acquisition		44,695
Land and Land Improvements, Gross Amount		602
Buildings and Leasehold Improvements, Gross Amount		115,646
Total Gross Amount	[1]	116,248
Accumulated Depreciation	[2]	$ (39,315)
Constructed/Acquired Date		1997
Coffee Correctional Facility
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location	[4]	Nicholls, Georgia
Constructed/Acquired Date	[4]	1998
Columbine Facility
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Denver, Colorado
Land, Initial Cost to Company		$ 1,414
Buildings and Improvements, Initial Cost to Company		488
Cost Capitalized Subsequent to Acquisition		189
Land and Land Improvements, Gross Amount		1,438
Buildings and Leasehold Improvements, Gross Amount		653
Total Gross Amount	[1]	2,091
Accumulated Depreciation	[2]	$ (77)
Constructed/Acquired Date		2016
Commerce Transitional Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Commerce City, Colorado
Land, Initial Cost to Company		$ 5,166
Buildings and Improvements, Initial Cost to Company		1,758
Cost Capitalized Subsequent to Acquisition		194
Land and Land Improvements, Gross Amount		5,166
Buildings and Leasehold Improvements, Gross Amount		1,952
Total Gross Amount	[1]	7,118
Accumulated Depreciation	[2]	$ (81)
Constructed/Acquired Date		2017
Corpus Christi Transitional Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Corpus Christi, Texas
Buildings and Improvements, Initial Cost to Company		$ 1,886
Cost Capitalized Subsequent to Acquisition		438
Buildings and Leasehold Improvements, Gross Amount		2,324
Total Gross Amount	[1]	2,324
Accumulated Depreciation	[2]	$ (750)
Constructed/Acquired Date		2015
Crossroads Correctional Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Shelby, Montana
Land, Initial Cost to Company		$ 413
Buildings and Improvements, Initial Cost to Company		33,196
Cost Capitalized Subsequent to Acquisition		43,643
Land and Land Improvements, Gross Amount		1,575
Buildings and Leasehold Improvements, Gross Amount		75,677
Total Gross Amount	[1]	77,252
Accumulated Depreciation	[2]	$ (39,992)
Constructed/Acquired Date		1999
Crowley County Correctional Facility
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Olney Springs, Colorado
Land, Initial Cost to Company		$ 211
Buildings and Improvements, Initial Cost to Company		46,845
Cost Capitalized Subsequent to Acquisition		30,174
Land and Land Improvements, Gross Amount		2,488
Buildings and Leasehold Improvements, Gross Amount		74,742
Total Gross Amount	[1]	77,230
Accumulated Depreciation	[2]	$ (25,384)
Constructed/Acquired Date		2003
Dahlia Facility
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Denver, Colorado
Land, Initial Cost to Company		$ 6,788
Buildings and Improvements, Initial Cost to Company		727
Cost Capitalized Subsequent to Acquisition		258
Land and Land Improvements, Gross Amount		6,835
Buildings and Leasehold Improvements, Gross Amount		938
Total Gross Amount	[1]	7,773
Accumulated Depreciation	[2]	$ (103)
Constructed/Acquired Date		2016
Dallas Transitional Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Hutchins, Texas
Buildings and Improvements, Initial Cost to Company		$ 3,852
Cost Capitalized Subsequent to Acquisition		1,703
Buildings and Leasehold Improvements, Gross Amount		5,555
Total Gross Amount	[1]	5,555
Accumulated Depreciation	[2]	$ (997)
Constructed/Acquired Date		2015
Davis Correctional Facility
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Holdenville, Oklahoma
Land, Initial Cost to Company		$ 250
Buildings and Improvements, Initial Cost to Company		66,701
Cost Capitalized Subsequent to Acquisition		41,808
Land and Land Improvements, Gross Amount		1,209
Buildings and Leasehold Improvements, Gross Amount		107,550
Total Gross Amount	[1]	108,759
Accumulated Depreciation	[2]	$ (36,892)
Constructed/Acquired Date		1996
DHS-Chattanooga
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Chattanooga, Tennessee
Buildings and Improvements, Initial Cost to Company		$ 205
Cost Capitalized Subsequent to Acquisition		5
Buildings and Leasehold Improvements, Gross Amount		210
Total Gross Amount	[1]	210
Accumulated Depreciation	[2]	$ (2)
Constructed/Acquired Date		2018
DHS-Knoxville
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Knoxville, Tennessee
Land, Initial Cost to Company		$ 275
Buildings and Improvements, Initial Cost to Company		67
Cost Capitalized Subsequent to Acquisition		3
Land and Land Improvements, Gross Amount		275
Buildings and Leasehold Improvements, Gross Amount		70
Total Gross Amount	[1]	345
Accumulated Depreciation	[2]	$ (1)
Constructed/Acquired Date		2018
Diamondback Correctional Facility
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Watonga, Oklahoma
Land, Initial Cost to Company		$ 208
Buildings and Improvements, Initial Cost to Company		41,677
Cost Capitalized Subsequent to Acquisition		25,172
Land and Land Improvements, Gross Amount		1,361
Buildings and Leasehold Improvements, Gross Amount		65,696
Total Gross Amount	[1]	67,057
Accumulated Depreciation	[2]	$ (26,095)
Constructed/Acquired Date		1998
Eden Detention Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Eden, Texas
Land, Initial Cost to Company		$ 925
Buildings and Improvements, Initial Cost to Company		27,645
Cost Capitalized Subsequent to Acquisition		34,039
Land and Land Improvements, Gross Amount		5,506
Buildings and Leasehold Improvements, Gross Amount		57,103
Total Gross Amount	[1]	62,609
Accumulated Depreciation	[2]	$ (24,260)
Constructed/Acquired Date		1995
El Paso Multi Use Facility
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		El Paso, Texas
Land, Initial Cost to Company		$ 14,936
Buildings and Improvements, Initial Cost to Company		4,536
Cost Capitalized Subsequent to Acquisition		1,173
Land and Land Improvements, Gross Amount		14,936
Buildings and Leasehold Improvements, Gross Amount		5,709
Total Gross Amount	[1]	20,645
Accumulated Depreciation	[2]	$ (770)
Constructed/Acquired Date		2015
El Paso Transitional Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		El Paso, Texas
Land, Initial Cost to Company		$ 10,325
Buildings and Improvements, Initial Cost to Company		4,198
Cost Capitalized Subsequent to Acquisition		725
Land and Land Improvements, Gross Amount		10,325
Buildings and Leasehold Improvements, Gross Amount		4,923
Total Gross Amount	[1]	15,248
Accumulated Depreciation	[2]	$ (634)
Constructed/Acquired Date		2015
Eloy Detention Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Eloy, Arizona
Land, Initial Cost to Company		$ 498
Buildings and Improvements, Initial Cost to Company		33,308
Cost Capitalized Subsequent to Acquisition		16,684
Land and Land Improvements, Gross Amount		2,180
Buildings and Leasehold Improvements, Gross Amount		48,310
Total Gross Amount	[1]	50,490
Accumulated Depreciation	[2]	$ (21,846)
Constructed/Acquired Date		1995
Fort Worth Transitional Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Fort Worth, Texas
Land, Initial Cost to Company		$ 3,251
Buildings and Improvements, Initial Cost to Company		334
Cost Capitalized Subsequent to Acquisition		268
Land and Land Improvements, Gross Amount		3,256
Buildings and Leasehold Improvements, Gross Amount		597
Total Gross Amount	[1]	3,853
Accumulated Depreciation	[2]	$ (562)
Constructed/Acquired Date		2015
Fox Facility and Training Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Denver, Colorado
Land, Initial Cost to Company		$ 3,038
Buildings and Improvements, Initial Cost to Company		1,203
Cost Capitalized Subsequent to Acquisition		415
Land and Land Improvements, Gross Amount		3,038
Buildings and Leasehold Improvements, Gross Amount		1,618
Total Gross Amount	[1]	4,656
Accumulated Depreciation	[2]	$ (154)
Constructed/Acquired Date		2016
Houston Processing Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Houston, Texas
Land, Initial Cost to Company		$ 2,250
Buildings and Improvements, Initial Cost to Company		53,373
Cost Capitalized Subsequent to Acquisition		40,634
Land and Land Improvements, Gross Amount		3,587
Buildings and Leasehold Improvements, Gross Amount		92,670
Total Gross Amount	[1]	96,257
Accumulated Depreciation	[2]	$ (37,094)
Constructed/Acquired Date		1984
Huerfano County Correctional Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Walsenburg, Colorado
Land, Initial Cost to Company		$ 124
Buildings and Improvements, Initial Cost to Company		26,358
Cost Capitalized Subsequent to Acquisition		4,533
Land and Land Improvements, Gross Amount		1,115
Buildings and Leasehold Improvements, Gross Amount		29,900
Total Gross Amount	[1]	31,015
Accumulated Depreciation	[2]	$ (14,355)
Constructed/Acquired Date		1997
ICE-Fayetteville
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Fayetteville, Arkansas
Land, Initial Cost to Company		$ 159
Buildings and Improvements, Initial Cost to Company		641
Land and Land Improvements, Gross Amount		159
Buildings and Leasehold Improvements, Gross Amount		641
Total Gross Amount	[1]	800
Accumulated Depreciation	[2]	$ (6)
Constructed/Acquired Date		2018
IRS-Dayton NARA
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Dayton, Ohio
Land, Initial Cost to Company		$ 548
Buildings and Improvements, Initial Cost to Company		6,439
Land and Land Improvements, Gross Amount		548
Buildings and Leasehold Improvements, Gross Amount		6,439
Total Gross Amount	[1]	6,987
Accumulated Depreciation	[2]	$ (59)
Constructed/Acquired Date		2018
IRS-Greenville
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Greenville, North Carolina
Land, Initial Cost to Company		$ 361
Buildings and Improvements, Initial Cost to Company		1,387
Cost Capitalized Subsequent to Acquisition		8
Land and Land Improvements, Gross Amount		361
Buildings and Leasehold Improvements, Gross Amount		1,395
Total Gross Amount	[1]	1,756
Accumulated Depreciation	[2]	$ (47)
Constructed/Acquired Date		2017
Jenkins Correctional Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location	[4]	Millen, Georgia
Constructed/Acquired Date	[4]	2012
Kit Carson Correctional Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Burlington, Colorado
Land, Initial Cost to Company		$ 432
Buildings and Improvements, Initial Cost to Company		35,980
Cost Capitalized Subsequent to Acquisition		43,657
Land and Land Improvements, Gross Amount		1,051
Buildings and Leasehold Improvements, Gross Amount		79,018
Total Gross Amount	[1]	80,069
Accumulated Depreciation	[2]	$ (24,562)
Constructed/Acquired Date		1998
La Palma Correctional Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Eloy, Arizona
Land, Initial Cost to Company		$ 283
Buildings and Improvements, Initial Cost to Company		183,155
Cost Capitalized Subsequent to Acquisition		13,633
Land and Land Improvements, Gross Amount		486
Buildings and Leasehold Improvements, Gross Amount		196,585
Total Gross Amount	[1]	197,071
Accumulated Depreciation	[2]	$ (44,372)
Constructed/Acquired Date		2008
Lake Erie Correctional Institution
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Conneaut, Ohio
Land, Initial Cost to Company		$ 2,871
Buildings and Improvements, Initial Cost to Company		69,779
Cost Capitalized Subsequent to Acquisition		5,896
Land and Land Improvements, Gross Amount		3,925
Buildings and Leasehold Improvements, Gross Amount		74,621
Total Gross Amount	[1]	78,546
Accumulated Depreciation	[2]	$ (11,476)
Constructed/Acquired Date		2011
Laredo Processing Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Laredo, Texas
Land, Initial Cost to Company		$ 788
Buildings and Improvements, Initial Cost to Company		26,737
Cost Capitalized Subsequent to Acquisition		3,189
Land and Land Improvements, Gross Amount		986
Buildings and Leasehold Improvements, Gross Amount		29,728
Total Gross Amount	[1]	30,714
Accumulated Depreciation	[2]	$ (12,466)
Constructed/Acquired Date		1985
Leavenworth Detention Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Leavenworth, Kansas
Land, Initial Cost to Company		$ 130
Buildings and Improvements, Initial Cost to Company		44,970
Cost Capitalized Subsequent to Acquisition		43,402
Land and Land Improvements, Gross Amount		491
Buildings and Leasehold Improvements, Gross Amount		88,011
Total Gross Amount	[1]	88,502
Accumulated Depreciation	[2]	$ (30,982)
Constructed/Acquired Date		1992
Lee Adjustment Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Beattyville, Kentucky
Land, Initial Cost to Company		$ 500
Buildings and Improvements, Initial Cost to Company		515
Cost Capitalized Subsequent to Acquisition		17,561
Land and Land Improvements, Gross Amount		1,277
Buildings and Leasehold Improvements, Gross Amount		17,299
Total Gross Amount	[1]	18,576
Accumulated Depreciation	[2]	$ (7,886)
Constructed/Acquired Date		1998
Leo Chesney Correctional Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Live Oak, California
Land, Initial Cost to Company		$ 250
Buildings and Improvements, Initial Cost to Company		4,774
Cost Capitalized Subsequent to Acquisition		1,577
Land and Land Improvements, Gross Amount		250
Buildings and Leasehold Improvements, Gross Amount		6,351
Total Gross Amount	[1]	6,601
Accumulated Depreciation	[2]	$ (3,184)
Constructed/Acquired Date		1989
Long Beach Community Corrections Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Long Beach, California
Land, Initial Cost to Company		$ 5,038
Buildings and Improvements, Initial Cost to Company		2,413
Land and Land Improvements, Gross Amount		5,038
Buildings and Leasehold Improvements, Gross Amount		2,413
Total Gross Amount	[1]	7,451
Accumulated Depreciation	[2]	$ (156)
Constructed/Acquired Date		2016
Longmont Community Treatment Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Longmont, Colorado
Land, Initial Cost to Company		$ 3,364
Buildings and Improvements, Initial Cost to Company		582
Cost Capitalized Subsequent to Acquisition		102
Land and Land Improvements, Gross Amount		3,363
Buildings and Leasehold Improvements, Gross Amount		685
Total Gross Amount	[1]	4,048
Accumulated Depreciation	[2]	$ (72)
Constructed/Acquired Date		2016
Marion Adjustment Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		St. Mary, Kentucky
Land, Initial Cost to Company		$ 250
Buildings and Improvements, Initial Cost to Company		9,994
Cost Capitalized Subsequent to Acquisition		8,767
Land and Land Improvements, Gross Amount		918
Buildings and Leasehold Improvements, Gross Amount		18,093
Total Gross Amount	[1]	19,011
Accumulated Depreciation	[2]	$ (7,241)
Constructed/Acquired Date		1998
McRae Correctional Facility
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		McRae, Georgia
Land, Initial Cost to Company		$ 462
Buildings and Improvements, Initial Cost to Company		60,396
Cost Capitalized Subsequent to Acquisition		18,767
Land and Land Improvements, Gross Amount		1,099
Buildings and Leasehold Improvements, Gross Amount		78,526
Total Gross Amount	[1]	79,625
Accumulated Depreciation	[2]	$ (22,974)
Constructed/Acquired Date		2000
Mineral Wells Pre-Parole Transfer Facility
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Mineral Wells, Texas
Land, Initial Cost to Company		$ 176
Buildings and Improvements, Initial Cost to Company		22,589
Land and Land Improvements, Gross Amount		100
Total Gross Amount	[1],[3]	$ 100
Constructed/Acquired Date		1995
Nevada Southern Detention Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Pahrump, Nevada
Land, Initial Cost to Company		$ 7,548
Buildings and Improvements, Initial Cost to Company		64,362
Cost Capitalized Subsequent to Acquisition		10,131
Land and Land Improvements, Gross Amount		8,399
Buildings and Leasehold Improvements, Gross Amount		73,642
Total Gross Amount	[1]	82,041
Accumulated Depreciation	[2]	$ (14,829)
Constructed/Acquired Date		2010
North Fork Correctional Facility
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Sayre, Oklahoma
Buildings and Improvements, Initial Cost to Company		$ 42,166
Cost Capitalized Subsequent to Acquisition		61,346
Land and Land Improvements, Gross Amount		356
Buildings and Leasehold Improvements, Gross Amount		103,156
Total Gross Amount	[1]	103,512
Accumulated Depreciation	[2]	$ (34,161)
Constructed/Acquired Date		1998
Northeast Ohio Correctional Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Youngstown, Ohio
Land, Initial Cost to Company		$ 750
Buildings and Improvements, Initial Cost to Company		39,583
Cost Capitalized Subsequent to Acquisition		12,808
Land and Land Improvements, Gross Amount		1,901
Buildings and Leasehold Improvements, Gross Amount		51,240
Total Gross Amount	[1]	53,141
Accumulated Depreciation	[2]	$ (21,108)
Constructed/Acquired Date		1997
Northwest New Mexico Correctional Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Grants, New Mexico
Land, Initial Cost to Company		$ 142
Buildings and Improvements, Initial Cost to Company		15,888
Cost Capitalized Subsequent to Acquisition		19,170
Land and Land Improvements, Gross Amount		879
Buildings and Leasehold Improvements, Gross Amount		34,321
Total Gross Amount	[1]	35,200
Accumulated Depreciation	[2]	$ (14,988)
Constructed/Acquired Date		1989
Oklahoma City Transitional Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Oklahoma City, Oklahoma
Land, Initial Cost to Company		$ 1,114
Buildings and Improvements, Initial Cost to Company		2,626
Cost Capitalized Subsequent to Acquisition		1,589
Land and Land Improvements, Gross Amount		1,130
Buildings and Leasehold Improvements, Gross Amount		4,199
Total Gross Amount	[1]	5,329
Accumulated Depreciation	[2]	$ (145)
Constructed/Acquired Date		2017
Oracle Transitional Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Tucson, Arizona
Land, Initial Cost to Company		$ 4,544
Buildings and Improvements, Initial Cost to Company		1,220
Cost Capitalized Subsequent to Acquisition		333
Land and Land Improvements, Gross Amount		4,570
Buildings and Leasehold Improvements, Gross Amount		1,527
Total Gross Amount	[1]	6,097
Accumulated Depreciation	[2]	$ (74)
Constructed/Acquired Date		2017
Otay Mesa Detention Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		San Diego, California
Land, Initial Cost to Company		$ 28,845
Buildings and Improvements, Initial Cost to Company		114,411
Cost Capitalized Subsequent to Acquisition		9,050
Land and Land Improvements, Gross Amount		37,088
Buildings and Leasehold Improvements, Gross Amount		115,218
Total Gross Amount	[1]	152,306
Accumulated Depreciation	[2]	$ (8,833)
Constructed/Acquired Date		2015
Prairie Correctional Facility
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Appleton, Minnesota
Land, Initial Cost to Company		$ 100
Buildings and Improvements, Initial Cost to Company		22,306
Cost Capitalized Subsequent to Acquisition		9,340
Land and Land Improvements, Gross Amount		1,068
Buildings and Leasehold Improvements, Gross Amount		30,678
Total Gross Amount	[1]	31,746
Accumulated Depreciation	[2]	$ (16,468)
Constructed/Acquired Date		1991
Queensgate Correctional Facility
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Cincinnati, Ohio
Land, Initial Cost to Company		$ 750
Buildings and Improvements, Initial Cost to Company		15,221
Cost Capitalized Subsequent to Acquisition		653
Land and Land Improvements, Gross Amount		340
Buildings and Leasehold Improvements, Gross Amount		653
Total Gross Amount	[1],[3]	993
Accumulated Depreciation	[2]	$ (61)
Constructed/Acquired Date		1998
Red Rock Correctional Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location	[4]	Eloy, Arizona
Constructed/Acquired Date	[4]	2006
Roth Hall Residential Reentry Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Philadelphia, Pennsylvania
Land, Initial Cost to Company		$ 654
Buildings and Improvements, Initial Cost to Company		2,693
Land and Land Improvements, Gross Amount		654
Buildings and Leasehold Improvements, Gross Amount		2,693
Total Gross Amount	[1]	3,347
Accumulated Depreciation	[2]	$ (230)
Constructed/Acquired Date		2015
Saguaro Correctional Facility
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Eloy, Arizona
Land, Initial Cost to Company		$ 193
Buildings and Improvements, Initial Cost to Company		98,903
Cost Capitalized Subsequent to Acquisition		1,611
Land and Land Improvements, Gross Amount		486
Buildings and Leasehold Improvements, Gross Amount		100,221
Total Gross Amount	[1]	100,707
Accumulated Depreciation	[2]	$ (23,392)
Constructed/Acquired Date		2007
Shelby Training Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Memphis, Tennessee
Land, Initial Cost to Company		$ 150
Buildings and Improvements, Initial Cost to Company		6,393
Cost Capitalized Subsequent to Acquisition		3,317
Land and Land Improvements, Gross Amount		279
Buildings and Leasehold Improvements, Gross Amount		9,581
Total Gross Amount	[1]	9,860
Accumulated Depreciation	[2]	$ (9,477)
Constructed/Acquired Date		1986
South Texas Family Residential Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Dilley, Texas
Buildings and Improvements, Initial Cost to Company		$ 146,974
Cost Capitalized Subsequent to Acquisition		8,921
Land and Land Improvements, Gross Amount		40
Buildings and Leasehold Improvements, Gross Amount		155,855
Total Gross Amount	[1],[5]	155,895
Accumulated Depreciation	[2]	$ (107,469)
Constructed/Acquired Date		2015
Southeast Kentucky Correctional Facility
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Wheelwright, Kentucky
Land, Initial Cost to Company		$ 500
Buildings and Improvements, Initial Cost to Company		24,487
Cost Capitalized Subsequent to Acquisition		11,692
Land and Land Improvements, Gross Amount		1,590
Buildings and Leasehold Improvements, Gross Amount		35,089
Total Gross Amount	[1]	36,679
Accumulated Depreciation	[2]	$ (15,581)
Constructed/Acquired Date		1998
SSA-Balch Springs
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Balch Springs, Texas
Land, Initial Cost to Company		$ 541
Buildings and Improvements, Initial Cost to Company		405
Land and Land Improvements, Gross Amount		541
Buildings and Leasehold Improvements, Gross Amount		405
Total Gross Amount	[1]	946
Accumulated Depreciation	[2]	$ (4)
Constructed/Acquired Date		2018
SSA-Baltimore
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Baltimore, Maryland
Land, Initial Cost to Company		$ 27,987
Buildings and Improvements, Initial Cost to Company		179,424
Land and Land Improvements, Gross Amount		29,717
Buildings and Leasehold Improvements, Gross Amount		177,694
Total Gross Amount	[1]	207,411
Accumulated Depreciation	[2]	$ (1,757)
Constructed/Acquired Date		2018
SSA-Bryan
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Bryan, Texas
Land, Initial Cost to Company		$ 277
Buildings and Improvements, Initial Cost to Company		578
Land and Land Improvements, Gross Amount		277
Buildings and Leasehold Improvements, Gross Amount		578
Total Gross Amount	[1]	855
Accumulated Depreciation	[2]	$ (6)
Constructed/Acquired Date		2018
SSA-Denton
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Denton, Texas
Land, Initial Cost to Company		$ 467
Buildings and Improvements, Initial Cost to Company		823
Land and Land Improvements, Gross Amount		467
Buildings and Leasehold Improvements, Gross Amount		823
Total Gross Amount	[1]	1,290
Accumulated Depreciation	[2]	$ (8)
Constructed/Acquired Date		2018
SSA-Florissant
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		St Louis, Missouri
Land, Initial Cost to Company		$ 245
Buildings and Improvements, Initial Cost to Company		553
Cost Capitalized Subsequent to Acquisition		7
Land and Land Improvements, Gross Amount		245
Buildings and Leasehold Improvements, Gross Amount		560
Total Gross Amount	[1]	805
Accumulated Depreciation	[2]	$ (6)
Constructed/Acquired Date		2018
SSA-Harrison
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Harrison, Arkansas
Land, Initial Cost to Company		$ 188
Buildings and Improvements, Initial Cost to Company		1,524
Land and Land Improvements, Gross Amount		188
Buildings and Leasehold Improvements, Gross Amount		1,524
Total Gross Amount	[1]	1,712
Accumulated Depreciation	[2]	$ (15)
Constructed/Acquired Date		2018
SSA-Hot Springs
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Hot Springs, Arkansas
Land, Initial Cost to Company		$ 337
Buildings and Improvements, Initial Cost to Company		1,323
Cost Capitalized Subsequent to Acquisition		9
Land and Land Improvements, Gross Amount		346
Buildings and Leasehold Improvements, Gross Amount		1,323
Total Gross Amount	[1]	1,669
Accumulated Depreciation	[2]	$ (14)
Constructed/Acquired Date		2018
SSA-Marshall
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Marshall, Texas
Land, Initial Cost to Company		$ 44
Buildings and Improvements, Initial Cost to Company		790
Land and Land Improvements, Gross Amount		44
Buildings and Leasehold Improvements, Gross Amount		790
Total Gross Amount	[1]	834
Accumulated Depreciation	[2]	$ (8)
Constructed/Acquired Date		2018
SSA-McAlester
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		McAlester, Oklahoma
Land, Initial Cost to Company		$ 139
Buildings and Improvements, Initial Cost to Company		1,094
Land and Land Improvements, Gross Amount		139
Buildings and Leasehold Improvements, Gross Amount		1,094
Total Gross Amount	[1]	1,233
Accumulated Depreciation	[2]	$ (11)
Constructed/Acquired Date		2018
Recovery Monitoring Solutions
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Dallas, Texas
Land, Initial Cost to Company		$ 1,152
Buildings and Improvements, Initial Cost to Company		1,979
Land and Land Improvements, Gross Amount		1,280
Buildings and Leasehold Improvements, Gross Amount		1,851
Total Gross Amount	[1]	3,131
Accumulated Depreciation	[2]	$ (8)
Constructed/Acquired Date		2018
SSA-Milledgeville
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Milledgeville, Georgia
Land, Initial Cost to Company		$ 120
Buildings and Improvements, Initial Cost to Company		714
Land and Land Improvements, Gross Amount		120
Buildings and Leasehold Improvements, Gross Amount		714
Total Gross Amount	[1]	834
Accumulated Depreciation	[2]	$ (24)
Constructed/Acquired Date		2017
SSA-Poteau
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Poteau, Oklahoma
Land, Initial Cost to Company		$ 175
Buildings and Improvements, Initial Cost to Company		275
Cost Capitalized Subsequent to Acquisition		6
Land and Land Improvements, Gross Amount		175
Buildings and Leasehold Improvements, Gross Amount		281
Total Gross Amount	[1]	456
Accumulated Depreciation	[2]	$ (3)
Constructed/Acquired Date		2018
SSA-Rockingham
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Rockingham, North Carolina
Land, Initial Cost to Company		$ 95
Buildings and Improvements, Initial Cost to Company		1,070
Cost Capitalized Subsequent to Acquisition		24
Land and Land Improvements, Gross Amount		117
Buildings and Leasehold Improvements, Gross Amount		1,072
Total Gross Amount	[1]	1,189
Accumulated Depreciation	[2]	$ (36)
Constructed/Acquired Date		2017
Stewart Detention Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Lumpkin, Georgia
Land, Initial Cost to Company		$ 143
Buildings and Improvements, Initial Cost to Company		70,560
Cost Capitalized Subsequent to Acquisition		18,770
Land and Land Improvements, Gross Amount		1,234
Buildings and Leasehold Improvements, Gross Amount		88,239
Total Gross Amount	[1]	89,473
Accumulated Depreciation	[2]	$ (25,068)
Constructed/Acquired Date		2004
Stockton Female Community Corrections Facility
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Stockton, California
Land, Initial Cost to Company		$ 692
Buildings and Improvements, Initial Cost to Company		788
Land and Land Improvements, Gross Amount		692
Buildings and Leasehold Improvements, Gross Amount		788
Total Gross Amount	[1]	1,480
Accumulated Depreciation	[2]	$ (38)
Constructed/Acquired Date		2017
T.Don Hutto Residential Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Taylor, Texas
Land, Initial Cost to Company		$ 183
Buildings and Improvements, Initial Cost to Company		13,418
Cost Capitalized Subsequent to Acquisition		4,862
Land and Land Improvements, Gross Amount		594
Buildings and Leasehold Improvements, Gross Amount		17,869
Total Gross Amount	[1]	18,463
Accumulated Depreciation	[2]	$ (8,286)
Constructed/Acquired Date		1997
Tallahatchie County Correctional Facility
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Tutwiler, Mississippi
Buildings and Improvements, Initial Cost to Company		$ 44,638
Cost Capitalized Subsequent to Acquisition		98,410
Land and Land Improvements, Gross Amount		1,609
Buildings and Leasehold Improvements, Gross Amount		141,439
Total Gross Amount	[1]	143,048
Accumulated Depreciation	[2]	$ (48,077)
Constructed/Acquired Date		2000
Torrance County Detention Facility
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Estancia, New Mexico
Land, Initial Cost to Company		$ 511
Buildings and Improvements, Initial Cost to Company		52,599
Cost Capitalized Subsequent to Acquisition		8,326
Land and Land Improvements, Gross Amount		1,719
Buildings and Leasehold Improvements, Gross Amount		59,717
Total Gross Amount	[1]	61,436
Accumulated Depreciation	[2]	$ (26,081)
Constructed/Acquired Date		1990
Trousdale Turner Correctional Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Hartsville, TN
Land, Initial Cost to Company		$ 649
Buildings and Improvements, Initial Cost to Company		135,412
Cost Capitalized Subsequent to Acquisition		4,476
Land and Land Improvements, Gross Amount		1,619
Buildings and Leasehold Improvements, Gross Amount		138,918
Total Gross Amount	[1]	140,537
Accumulated Depreciation	[2]	$ (8,690)
Constructed/Acquired Date		2015
Tulsa Transitional Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Tulsa, OK
Land, Initial Cost to Company		$ 8,206
Buildings and Improvements, Initial Cost to Company		4,061
Cost Capitalized Subsequent to Acquisition		847
Land and Land Improvements, Gross Amount		8,206
Buildings and Leasehold Improvements, Gross Amount		4,908
Total Gross Amount	[1]	13,114
Accumulated Depreciation	[2]	$ (638)
Constructed/Acquired Date		2015
Tulsa Women's Residential Program
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Tulsa, OK
Land, Initial Cost to Company		$ 200
Buildings and Improvements, Initial Cost to Company		75
Land and Land Improvements, Gross Amount		200
Buildings and Leasehold Improvements, Gross Amount		75
Total Gross Amount	[1]	275
Accumulated Depreciation	[2]	$ (6)
Constructed/Acquired Date		2017
Turley Residential Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Tulsa, OK
Land, Initial Cost to Company		$ 421
Buildings and Improvements, Initial Cost to Company		4,105
Cost Capitalized Subsequent to Acquisition		898
Land and Land Improvements, Gross Amount		421
Buildings and Leasehold Improvements, Gross Amount		5,003
Total Gross Amount	[1]	5,424
Accumulated Depreciation	[2]	$ (683)
Constructed/Acquired Date		2015
Ulster Facility
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Denver, Colorado
Land, Initial Cost to Company		$ 4,068
Buildings and Improvements, Initial Cost to Company		442
Cost Capitalized Subsequent to Acquisition		120
Land and Land Improvements, Gross Amount		4,068
Buildings and Leasehold Improvements, Gross Amount		562
Total Gross Amount	[1]	4,630
Accumulated Depreciation	[2]	$ (59)
Constructed/Acquired Date		2016
Walker Hall Residential Reentry Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Philadelphia, PA
Land, Initial Cost to Company		$ 654
Buildings and Improvements, Initial Cost to Company		2,693
Cost Capitalized Subsequent to Acquisition		1
Land and Land Improvements, Gross Amount		654
Buildings and Leasehold Improvements, Gross Amount		2,694
Total Gross Amount	[1]	3,348
Accumulated Depreciation	[2]	$ (231)
Constructed/Acquired Date		2015
Webb County Detention Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Laredo, Texas
Land, Initial Cost to Company		$ 498
Buildings and Improvements, Initial Cost to Company		20,160
Cost Capitalized Subsequent to Acquisition		6,119
Land and Land Improvements, Gross Amount		2,129
Buildings and Leasehold Improvements, Gross Amount		24,648
Total Gross Amount	[1]	26,777
Accumulated Depreciation	[2]	$ (11,766)
Constructed/Acquired Date		1998
West Tennessee Detention Facility
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Mason, Tennessee
Land, Initial Cost to Company		$ 538
Buildings and Improvements, Initial Cost to Company		31,931
Cost Capitalized Subsequent to Acquisition		6,276
Land and Land Improvements, Gross Amount		2,007
Buildings and Leasehold Improvements, Gross Amount		36,738
Total Gross Amount	[1]	38,745
Accumulated Depreciation	[2]	$ (17,475)
Constructed/Acquired Date		1990
Wheeler Correctional Facility
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location	[4]	Alamo, Georgia
Constructed/Acquired Date	[4]	1998
Whiteville Correctional Facility
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Whiteville, Tennessee
Land, Initial Cost to Company		$ 303
Buildings and Improvements, Initial Cost to Company		51,694
Cost Capitalized Subsequent to Acquisition		7,697
Land and Land Improvements, Gross Amount		1,671
Buildings and Leasehold Improvements, Gross Amount		58,023
Total Gross Amount	[1]	59,694
Accumulated Depreciation	[2]	$ (24,331)
Constructed/Acquired Date		1998

[1] The aggregate cost of properties for federal income tax purposes is approximately $3.9 billion at December 31, 2018.

[2] Depreciation is calculated using estimated useful lives of depreciable assets up to 50 years for prison facilities.

[3] CoreCivic recorded non-cash impairments during the fourth quarter of 2014 to write down the book values of the Queensgate and Mineral Wells facilities, and during the third quarter of 2017 to write down the book value of the Bridgeport facility, to the estimated fair values assuming asset sales for uses other than correctional facilities.

[4] CoreCivic retains title to this asset, which is classified under other real estate assets in the Company's consolidated balance sheets in accordance with ASC 853.

[5] The South Texas Family Residential Center is subject to a lease agreement with a third-party lessor. This agreement resulted in CoreCivic being deemed the owner of the newly constructed assets for accounting purposes, in accordance with ASC 840-40-55, formerly Emerging Issues Task Force No. 97-10, "The Effect of Lessee Involvement in Asset Construction."