Schedule III - Real Estate Assets and Accumulated Depreciation (Detail) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2020		Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Land, Initial Cost to Company		$ 215,724
Buildings and Improvements, Initial Cost to Company		2,415,459
Cost Capitalized Subsequent to Acquisition		996,604
Land and Land Improvements, Gross Amount		261,525
Buildings and Leasehold Improvements, Gross Amount		3,333,753
Total Gross Amount		3,595,278	[1]	$ 3,605,137	$ 3,697,160	$ 3,367,358
Accumulated Depreciation		$ (1,128,563)	[2]	$ (1,053,670)	$ (1,075,389)	$ (976,121)
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		3,827
Land and Land Improvements, Gross Amount		1,092
Buildings and Leasehold Improvements, Gross Amount		123,174
Total Gross Amount	[1]	124,266
Accumulated Depreciation	[2]	$ (30,364)
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		340
Land and Land Improvements, Gross Amount		6,090
Buildings and Leasehold Improvements, Gross Amount		1,193
Total Gross Amount	[1]	7,283
Accumulated Depreciation	[2]	$ (134)
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		709
Land and Land Improvements, Gross Amount		3,760
Buildings and Leasehold Improvements, Gross Amount		1,948
Total Gross Amount	[1]	5,708
Accumulated Depreciation	[2]	$ (260)
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		80
Land and Land Improvements, Gross Amount		1,281
Buildings and Leasehold Improvements, Gross Amount		2,754
Total Gross Amount	[1]	4,035
Accumulated Depreciation	[2]	$ (238)
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		371
Land and Land Improvements, Gross Amount		4,201
Buildings and Leasehold Improvements, Gross Amount		1,418
Total Gross Amount	[1]	5,619
Accumulated Depreciation	[2]	$ (370)
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		983
Land and Land Improvements, Gross Amount		19,500
Buildings and Leasehold Improvements, Gross Amount		5,578
Total Gross Amount	[1]	25,078
Accumulated Depreciation	[2]	$ (1,238)
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		68,425
Land and Land Improvements, Gross Amount		1,587
Buildings and Leasehold Improvements, Gross Amount		80,503
Total Gross Amount	[1]	82,090
Accumulated Depreciation	[2]	$ (29,674)
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		197
Land and Land Improvements, Gross Amount		663
Buildings and Leasehold Improvements, Gross Amount		2,897
Total Gross Amount	[1]	3,560
Accumulated Depreciation	[2]	$ (426)
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		1,244
Land and Land Improvements, Gross Amount		845
Buildings and Leasehold Improvements, Gross Amount		12,639
Total Gross Amount	[1]	13,484
Accumulated Depreciation	[2]	$ (3,251)
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		15,581
Land and Land Improvements, Gross Amount		2,409
Buildings and Leasehold Improvements, Gross Amount		140,294
Total Gross Amount	[1]	142,703
Accumulated Depreciation	[2]	$ (58,301)
Constructed/Acquired Date		1999
Capital Commerce Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location	[4]	Tallahassee, Florida
Land, Initial Cost to Company	[4]	$ 2,255
Buildings and Improvements, Initial Cost to Company	[4]	38,362
Cost Capitalized Subsequent to Acquisition	[4]	636
Land and Land Improvements, Gross Amount	[4]	2,262
Buildings and Leasehold Improvements, Gross Amount	[4]	38,991
Total Gross Amount	[1],[4]	41,253
Accumulated Depreciation	[2],[4]	$ (2,891)
Constructed/Acquired Date	[4]	2018
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		390
Land and Land Improvements, Gross Amount		5,021
Buildings and Leasehold Improvements, Gross Amount		1,530
Total Gross Amount	[1]	6,551
Accumulated Depreciation	[2]	$ (284)
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		51,793
Land and Land Improvements, Gross Amount		4,395
Buildings and Leasehold Improvements, Gross Amount		182,227
Total Gross Amount	[1]	186,622
Accumulated Depreciation	[2]	$ (81,229)
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
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		874
Land and Land Improvements, Gross Amount		5,567
Buildings and Leasehold Improvements, Gross Amount		2,966
Total Gross Amount	[1]	8,533
Accumulated Depreciation	[2]	$ (635)
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		33,148
Land and Land Improvements, Gross Amount		1,368
Buildings and Leasehold Improvements, Gross Amount		48,439
Total Gross Amount	[1]	49,807
Accumulated Depreciation	[2]	$ (22,763)
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		46,023
Land and Land Improvements, Gross Amount		776
Buildings and Leasehold Improvements, Gross Amount		116,800
Total Gross Amount	[1]	117,576
Accumulated Depreciation	[2]	$ (44,872)
Constructed/Acquired Date		1997
Coffee Correctional Facility
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location	[5]	Nicholls, Georgia
Constructed/Acquired Date	[5]	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		230
Land and Land Improvements, Gross Amount		1,438
Buildings and Leasehold Improvements, Gross Amount		694
Total Gross Amount	[1]	2,132
Accumulated Depreciation	[2]	$ (148)
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		235
Land and Land Improvements, Gross Amount		5,166
Buildings and Leasehold Improvements, Gross Amount		1,993
Total Gross Amount	[1]	7,159
Accumulated Depreciation	[2]	$ (225)
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		530
Land and Land Improvements, Gross Amount		5
Buildings and Leasehold Improvements, Gross Amount		2,411
Total Gross Amount	[1]	2,416
Accumulated Depreciation	[2]	$ (1,257)
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		44,128
Land and Land Improvements, Gross Amount		1,614
Buildings and Leasehold Improvements, Gross Amount		76,123
Total Gross Amount	[1]	77,737
Accumulated Depreciation	[2]	$ (43,477)
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		31,191
Land and Land Improvements, Gross Amount		2,680
Buildings and Leasehold Improvements, Gross Amount		75,567
Total Gross Amount	[1]	78,247
Accumulated Depreciation	[2]	$ (29,512)
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		292
Land and Land Improvements, Gross Amount		6,835
Buildings and Leasehold Improvements, Gross Amount		972
Total Gross Amount	[1]	7,807
Accumulated Depreciation	[2]	$ (211)
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		1,732
Land and Land Improvements, Gross Amount		1
Buildings and Leasehold Improvements, Gross Amount		5,583
Total Gross Amount	[1]	5,584
Accumulated Depreciation	[2]	$ (1,658)
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		42,551
Land and Land Improvements, Gross Amount		1,209
Buildings and Leasehold Improvements, Gross Amount		108,293
Total Gross Amount	[1]	109,502
Accumulated Depreciation	[2]	$ (41,793)
Constructed/Acquired Date		1996
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		26,053
Land and Land Improvements, Gross Amount		1,361
Buildings and Leasehold Improvements, Gross Amount		66,577
Total Gross Amount	[1]	67,938
Accumulated Depreciation	[2]	$ (29,591)
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		34,926
Land and Land Improvements, Gross Amount		5,552
Buildings and Leasehold Improvements, Gross Amount		57,944
Total Gross Amount	[1]	63,496
Accumulated Depreciation	[2]	$ (27,355)
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		1,607
Land and Land Improvements, Gross Amount		14,965
Buildings and Leasehold Improvements, Gross Amount		6,114
Total Gross Amount	[1]	21,079
Accumulated Depreciation	[2]	$ (1,324)
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		842
Land and Land Improvements, Gross Amount		10,389
Buildings and Leasehold Improvements, Gross Amount		4,976
Total Gross Amount	[1]	15,365
Accumulated Depreciation	[2]	$ (1,075)
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		18,148
Land and Land Improvements, Gross Amount		2,296
Buildings and Leasehold Improvements, Gross Amount		49,658
Total Gross Amount	[1]	51,954
Accumulated Depreciation	[2]	$ (25,657)
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		301
Land and Land Improvements, Gross Amount		3,266
Buildings and Leasehold Improvements, Gross Amount		620
Total Gross Amount	[1]	3,886
Accumulated Depreciation	[2]	$ (576)
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		727
Land and Land Improvements, Gross Amount		3,180
Buildings and Leasehold Improvements, Gross Amount		1,788
Total Gross Amount	[1]	4,968
Accumulated Depreciation	[2]	$ (379)
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		41,100
Land and Land Improvements, Gross Amount		3,587
Buildings and Leasehold Improvements, Gross Amount		93,136
Total Gross Amount	[1]	96,723
Accumulated Depreciation	[2]	$ (42,273)
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		5,053
Land and Land Improvements, Gross Amount		1,116
Buildings and Leasehold Improvements, Gross Amount		30,419
Total Gross Amount	[1]	31,535
Accumulated Depreciation	[2]	$ (15,640)
Constructed/Acquired Date		1997
James River Residential Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Newport News, Virginia
Land, Initial Cost to Company		$ 800
Buildings and Improvements, Initial Cost to Company		501
Cost Capitalized Subsequent to Acquisition		24
Land and Land Improvements, Gross Amount		804
Buildings and Leasehold Improvements, Gross Amount		521
Total Gross Amount	[1]	1,325
Accumulated Depreciation	[2]	$ (14)
Constructed/Acquired Date		2019
Jenkins Correctional Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location	[5]	Millen, Georgia
Constructed/Acquired Date	[5]	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		35,978
Cost Capitalized Subsequent to Acquisition		44,462
Land and Land Improvements, Gross Amount		1,051
Buildings and Leasehold Improvements, Gross Amount		79,821
Total Gross Amount	[1]	80,872
Accumulated Depreciation	[2]	$ (28,115)
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		13,895
Land and Land Improvements, Gross Amount		486
Buildings and Leasehold Improvements, Gross Amount		196,847
Total Gross Amount	[1]	197,333
Accumulated Depreciation	[2]	$ (53,313)
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		6,376
Land and Land Improvements, Gross Amount		4,031
Buildings and Leasehold Improvements, Gross Amount		74,995
Total Gross Amount	[1]	79,026
Accumulated Depreciation	[2]	$ (15,528)
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		3,657
Land and Land Improvements, Gross Amount		986
Buildings and Leasehold Improvements, Gross Amount		30,196
Total Gross Amount	[1]	31,182
Accumulated Depreciation	[2]	$ (13,988)
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		45,397
Land and Land Improvements, Gross Amount		765
Buildings and Leasehold Improvements, Gross Amount		89,732
Total Gross Amount	[1]	90,497
Accumulated Depreciation	[2]	$ (34,899)
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		18,349
Land and Land Improvements, Gross Amount		1,277
Buildings and Leasehold Improvements, Gross Amount		18,087
Total Gross Amount	[1]	19,364
Accumulated Depreciation	[2]	$ (9,083)
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		1,622
Land and Land Improvements, Gross Amount		265
Buildings and Leasehold Improvements, Gross Amount		6,381
Total Gross Amount	[1]	6,646
Accumulated Depreciation	[2]	$ (3,573)
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]	$ (277)
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		125
Land and Land Improvements, Gross Amount		3,363
Buildings and Leasehold Improvements, Gross Amount		708
Total Gross Amount	[1]	4,071
Accumulated Depreciation	[2]	$ (130)
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		8,891
Land and Land Improvements, Gross Amount		925
Buildings and Leasehold Improvements, Gross Amount		18,210
Total Gross Amount	[1]	19,135
Accumulated Depreciation	[2]	$ (8,088)
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		20,689
Land and Land Improvements, Gross Amount		1,099
Buildings and Leasehold Improvements, Gross Amount		80,448
Total Gross Amount	[1]	81,547
Accumulated Depreciation	[2]	$ (26,795)
Constructed/Acquired Date		2000
MDHHS-Detroit
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Detroit, Michigan
Land, Initial Cost to Company		$ 830
Buildings and Improvements, Initial Cost to Company		5,739
Cost Capitalized Subsequent to Acquisition		113
Land and Land Improvements, Gross Amount		943
Buildings and Leasehold Improvements, Gross Amount		5,739
Total Gross Amount	[1]	6,682
Accumulated Depreciation	[2]	$ (278)
Constructed/Acquired Date		2019
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
NARA-Dayton
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location	[4]	Dayton, Ohio
Land, Initial Cost to Company	[4]	$ 548
Buildings and Improvements, Initial Cost to Company	[4]	6,439
Cost Capitalized Subsequent to Acquisition	[4]	817
Land and Land Improvements, Gross Amount	[4]	597
Buildings and Leasehold Improvements, Gross Amount	[4]	7,207
Total Gross Amount	[1],[4]	7,804
Accumulated Depreciation	[2],[4]	$ (486)
Constructed/Acquired Date	[4]	2018
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		10,287
Land and Land Improvements, Gross Amount		8,421
Buildings and Leasehold Improvements, Gross Amount		73,776
Total Gross Amount	[1]	82,197
Accumulated Depreciation	[2]	$ (18,592)
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		63,253
Land and Land Improvements, Gross Amount		664
Buildings and Leasehold Improvements, Gross Amount		104,755
Total Gross Amount	[1]	105,419
Accumulated Depreciation	[2]	$ (38,791)
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		14,158
Land and Land Improvements, Gross Amount		1,901
Buildings and Leasehold Improvements, Gross Amount		52,590
Total Gross Amount	[1]	54,491
Accumulated Depreciation	[2]	$ (24,517)
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		19,930
Land and Land Improvements, Gross Amount		879
Buildings and Leasehold Improvements, Gross Amount		35,081
Total Gross Amount	[1]	35,960
Accumulated Depreciation	[2]	$ (17,552)
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		1,654
Land and Land Improvements, Gross Amount		1,144
Buildings and Leasehold Improvements, Gross Amount		4,250
Total Gross Amount	[1]	5,394
Accumulated Depreciation	[2]	$ (609)
Constructed/Acquired Date		2017
Oklahoma Reentry Opportunity 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		1,198
Land and Land Improvements, Gross Amount		8,599
Buildings and Leasehold Improvements, Gross Amount		5,792
Total Gross Amount	[1]	14,391
Accumulated Depreciation	[2]	$ (1,294)
Constructed/Acquired Date		2015
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		47,512
Land and Land Improvements, Gross Amount		37,114
Buildings and Leasehold Improvements, Gross Amount		153,654
Total Gross Amount	[1]	190,768
Accumulated Depreciation	[2]	$ (14,867)
Otay Mesa Detention Center | Minimum
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Constructed/Acquired Date		2015
Otay Mesa Detention Center | Maximum
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Constructed/Acquired Date		2019
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		10,520
Land and Land Improvements, Gross Amount		1,068
Buildings and Leasehold Improvements, Gross Amount		31,858
Total Gross Amount	[1]	32,926
Accumulated Depreciation	[2]	$ (18,281)
Constructed/Acquired Date		1991
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
Cost Capitalized Subsequent to Acquisition		687
Land and Land Improvements, Gross Amount		1,280
Buildings and Leasehold Improvements, Gross Amount		2,538
Total Gross Amount	[1]	3,818
Accumulated Depreciation	[2]	$ (305)
Constructed/Acquired Date		2018
Red Rock Correctional Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location	[5]	Eloy, Arizona
Constructed/Acquired Date	[5]	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]			$ (365)
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				2,418
Land and Land Improvements, Gross Amount				486
Buildings and Leasehold Improvements, Gross Amount				101,028
Total Gross Amount	[1]			101,514
Accumulated Depreciation	[2]			$ (27,711)
Constructed/Acquired Date				2007
South Raleigh Reentry Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location				Raleigh, North Carolina
Land, Initial Cost to Company				$ 277
Buildings and Improvements, Initial Cost to Company				663
Cost Capitalized Subsequent to Acquisition				26
Land and Land Improvements, Gross Amount				277
Buildings and Leasehold Improvements, Gross Amount				689
Total Gross Amount	[1]			966
Accumulated Depreciation	[2]			$ (33)
Constructed/Acquired Date				2019
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				12,489
Land and Land Improvements, Gross Amount				1,630
Buildings and Leasehold Improvements, Gross Amount				35,846
Total Gross Amount	[1]			37,476
Accumulated Depreciation	[2]			$ (17,278)
Constructed/Acquired Date				1998
SSA-Baltimore
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location	[4]			Baltimore, Maryland
Land, Initial Cost to Company	[4]			$ 27,987
Buildings and Improvements, Initial Cost to Company	[4]			179,424
Land and Land Improvements, Gross Amount	[4]			29,717
Buildings and Leasehold Improvements, Gross Amount	[4]			177,694
Total Gross Amount	[1],[4]			207,411
Accumulated Depreciation	[2],[4]			$ (11,841)
Constructed/Acquired Date	[4]			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				19
Land and Land Improvements, Gross Amount				245
Buildings and Leasehold Improvements, Gross Amount				572
Total Gross Amount	[1]			817
Accumulated Depreciation	[2]			$ (31)
Constructed/Acquired Date				2018
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				22,400
Land and Land Improvements, Gross Amount				1,629
Buildings and Leasehold Improvements, Gross Amount				91,474
Total Gross Amount	[1]			93,103
Accumulated Depreciation	[2]			$ (31,069)
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]			$ (77)
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				5,469
Land and Land Improvements, Gross Amount				627
Buildings and Leasehold Improvements, Gross Amount				18,443
Total Gross Amount	[1]			19,070
Accumulated Depreciation	[2]			$ (9,232)
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				107,561
Land and Land Improvements, Gross Amount				1,650
Buildings and Leasehold Improvements, Gross Amount				150,549
Total Gross Amount	[1]			152,199
Accumulated Depreciation	[2]			$ (55,829)
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				8,733
Land and Land Improvements, Gross Amount				1,842
Buildings and Leasehold Improvements, Gross Amount				60,001
Total Gross Amount	[1]			61,843
Accumulated Depreciation	[2]			$ (29,185)
Constructed/Acquired Date				1990
Trousdale Turner Correctional Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location				Hartsville, Tennessee
Land, Initial Cost to Company				$ 649
Buildings and Improvements, Initial Cost to Company				135,412
Cost Capitalized Subsequent to Acquisition				5,356
Land and Land Improvements, Gross Amount				1,871
Buildings and Leasehold Improvements, Gross Amount				139,546
Total Gross Amount	[1]			141,417
Accumulated Depreciation	[2]			$ (14,497)
Constructed/Acquired Date				2015
Tulsa Transitional Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location				Tulsa, Oklahoma
Land, Initial Cost to Company				$ 8,206
Buildings and Improvements, Initial Cost to Company				4,061
Cost Capitalized Subsequent to Acquisition				658
Land and Land Improvements, Gross Amount				606
Buildings and Leasehold Improvements, Gross Amount				2,766
Total Gross Amount	[1],[3]			3,372
Accumulated Depreciation	[2]			$ (948)
Constructed/Acquired Date				2015
Wheeler Correctional Facility
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location	[5]	Alamo, Georgia
Constructed/Acquired Date	[5]	1998
Turley Residential Center
SEC Schedule III, Real Estate Assets and Accumulated Depreciation [Line Items]
Location		Tulsa, Oklahoma
Land, Initial Cost to Company		$ 421
Buildings and Improvements, Initial Cost to Company		4,105
Cost Capitalized Subsequent to Acquisition		956
Land and Land Improvements, Gross Amount		421
Buildings and Leasehold Improvements, Gross Amount		5,061
Total Gross Amount	[1]	5,482
Accumulated Depreciation	[2]	$ (1,149)
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		441
Cost Capitalized Subsequent to Acquisition		212
Land and Land Improvements, Gross Amount		4,126
Buildings and Leasehold Improvements, Gross Amount		595
Total Gross Amount	[1]	4,721
Accumulated Depreciation	[2]	$ (130)
Constructed/Acquired Date		2016
Walker 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		2,692
Cost Capitalized Subsequent to Acquisition		2
Land and Land Improvements, Gross Amount		654
Buildings and Leasehold Improvements, Gross Amount		2,694
Total Gross Amount	[1]	3,348
Accumulated Depreciation	[2]	$ (366)
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		20,161
Cost Capitalized Subsequent to Acquisition		6,514
Land and Land Improvements, Gross Amount		2,206
Buildings and Leasehold Improvements, Gross Amount		24,967
Total Gross Amount	[1]	27,173
Accumulated Depreciation	[2]	$ (13,241)
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		7,746
Land and Land Improvements, Gross Amount		2,174
Buildings and Leasehold Improvements, Gross Amount		38,041
Total Gross Amount	[1]	40,215
Accumulated Depreciation	[2]	$ (19,374)
Constructed/Acquired Date		1990
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		8,162
Land and Land Improvements, Gross Amount		1,671
Buildings and Leasehold Improvements, Gross Amount		58,488
Total Gross Amount	[1]	60,159
Accumulated Depreciation	[2]	$ (27,751)
Constructed/Acquired Date		1998

[1] The aggregate cost of properties for federal income tax purposes is approximately $4.0 billion at December 31, 2020.

[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 value of the Mineral Wells facility, during the third quarter of 2017 to write down the book value of the Bridgeport facility, and during the second quarter of 2020 to write down the book value of the Tulsa Transitional Center to the estimated fair values assuming uses other than correctional or residential reentry facilities.

[4] Held for Sale.

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