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Long Term Debt - Schedule of Commitment Fees Incurred and Interest Expense Recorded (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | |
|---|---|---|
|
Mar. 31, 2014
|
Mar. 31, 2013
|
|
| Debt Disclosure [Abstract] | ||
| Interest and commitment fees incurred | $ 13,457 | $ 14,064 |
| Capitalized interest, commitment fees, and letter of credit fees | (1,283) | (419) |
| Letter of credit fees | 1,052 | 767 |
| Amortization of financing costs | 1,395 | 2,230 |
| Interest expense | $ 14,621 | $ 16,642 |