Description of the frequency of periodic payments (monthly, quarterly, annual).

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section S99
-Paragraph 1
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- Definition

Weighted average interest rate of debt outstanding.

+ References

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- Definition

The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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Schedule of Debt Outstanding (Parenthetical) (Detail) - USD ($) $ in Thousands		6 Months Ended
	Apr. 17, 2018	Jun. 30, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Unamortized debt issuance costs		$ 11,897	$ 13,119
Term Loan
Debt Instrument [Line Items]
Debt interest rate		3.90%	4.00%
Debt maturity date	Apr. 30, 2023
Interest payable dates		Interest payable periodically at variable interest rates.
Unamortized debt issuance costs		$ 100	$ 100
Senior Notes 4.625%
Debt Instrument [Line Items]
Stated interest rate		4.625%
Unamortized debt issuance costs		$ 2,400	2,700
Senior Notes 4.125%
Debt Instrument [Line Items]
Stated interest rate		4.125%
Unamortized debt issuance costs		$ 600	1,000
Senior Notes 5.0%
Debt Instrument [Line Items]
Stated interest rate		5.00%
Unamortized debt issuance costs		$ 1,600	1,800
Senior Notes 4.75%
Debt Instrument [Line Items]
Stated interest rate		4.75%
Unamortized debt issuance costs		$ 3,300	3,500
Capital Commerce Center Non-Recourse Mortgage Note 4.5%
Debt Instrument [Line Items]
Stated interest rate		4.50%
Unamortized debt issuance costs		$ 300	300
Lansing Correctional Center Non Recourse Mortgage Note 4.43%
Debt Instrument [Line Items]
Stated interest rate		4.43%
Unamortized debt issuance costs		$ 3,400	3,400
SSA Baltimore Non Recourse Mortgage Note 4.5%
Debt Instrument [Line Items]
Stated interest rate		4.50%
Unamortized debt issuance costs		$ 200	$ 300
Revolving Credit Facility
Debt Instrument [Line Items]
Weighted average rate		3.90%	4.00%
Interest payable dates		Interest payable periodically at variable interest rates.