Fair Value of Senior Notes (Detail) $ in Thousands |
Mar. 31, 2016
USD ($)
|
---|---|
Series 2005A Tranche C [Member] | |
Fair Value Of Financial Instruments [Line Items] | |
Fair Value of Senior Notes | $ 60,271 |
Series 2007A Tranche B [Member] | |
Fair Value Of Financial Instruments [Line Items] | |
Fair Value of Senior Notes | 8,367 |
Series 2007A Tranche C [Member] | |
Fair Value Of Financial Instruments [Line Items] | |
Fair Value of Senior Notes | 25,742 |
Series 2007A Tranche D [Member] | |
Fair Value Of Financial Instruments [Line Items] | |
Fair Value of Senior Notes | $ 40,555 |