Income Taxes - Additional Information (Detail) - USD ($)	3 Months Ended			6 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Income Taxes [Line Items]
Minimum Distribution Percentage of Taxable Income to Qualify for Real Estate Investment Trust				90.00%
Income tax expense (benefit)	$ (962,000)		$ 1,972,000	$ 2,814,000	$ 4,456,000
Lease expiration term				20 years
Liabilities for uncertain tax positions	0			$ 0		$ 0
Lansing Correctional Facility
Income Taxes [Line Items]
Income tax expense deferred during construction period		$ 3,100,000
Deferred tax asset revalued upon conversion of TRS to QRS	$ 0			$ 0