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DEBT OBLIGATIONS AND CREDIT FACILITIES - Debt Obligations (Additional Information) (Detail)
6 Months Ended
Jun. 30, 2016
USD ($)
6.09%  
Debt Instrument [Line Items]  
Face Amount $ 50,000,000
Stated percentage (as a percent) 6.09%
Maturity date Jun. 06, 2016
Offering date Jun. 30, 2006
5.82%  
Debt Instrument [Line Items]  
Face Amount $ 50,000,000
Stated percentage (as a percent) 5.82%
Maturity date Nov. 08, 2016
Offering date Nov. 30, 2006
6.75%  
Debt Instrument [Line Items]  
Face Amount $ 250,000,000
Stated percentage (as a percent) 6.75%
Maturity date Dec. 02, 2019
Offering date Nov. 30, 2009
Term Loan, Variable Rate  
Debt Instrument [Line Items]  
Face Amount $ 250,000,000
Maturity date Mar. 31, 2021
Offering date Mar. 31, 2014
3.91%  
Debt Instrument [Line Items]  
Face Amount $ 50,000,000
Stated percentage (as a percent) 3.91%
Maturity date Sep. 03, 2024
Offering date Sep. 30, 2014
4.01%  
Debt Instrument [Line Items]  
Face Amount $ 100,000,000
Stated percentage (as a percent) 4.01%
Maturity date Sep. 03, 2026
Offering date Sep. 30, 2014
4.21%  
Debt Instrument [Line Items]  
Face Amount $ 100,000,000
Stated percentage (as a percent) 4.21%
Maturity date Sep. 03, 2029
Offering date Sep. 30, 2014