Fair Value of Senior Notes (Detail) (USD $)
In Thousands, unless otherwise specified |
Jun. 30, 2014
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Series 2005A Tranche B [Member]
|
|
Fair Value of Financial Instruments [Line Items] | |
Fair Value of Senior Notes | $ 59,298 |
Series 2005A Tranche C [Member]
|
|
Fair Value of Financial Instruments [Line Items] | |
Fair Value of Senior Notes | 61,019 |
Series 2007A Tranche A [Member]
|
|
Fair Value of Financial Instruments [Line Items] | |
Fair Value of Senior Notes | 9,590 |
Series 2007A Tranche B [Member]
|
|
Fair Value of Financial Instruments [Line Items] | |
Fair Value of Senior Notes | 8,594 |
Series 2007A Tranche C [Member]
|
|
Fair Value of Financial Instruments [Line Items] | |
Fair Value of Senior Notes | 26,190 |
Series 2007A Tranche D [Member]
|
|
Fair Value of Financial Instruments [Line Items] | |
Fair Value of Senior Notes | $ 40,497 |