Other Long-term Debt - Summary of Scheduled Loan Payments (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Long Term Debt Maturities Repayments Of Principal [Line Items]
2014, Amount	$ 57,892
2015, Amount	79,971
2016, Amount	389
2017, Amount	407
2018, Amount	426
Thereafter, Amount	5,300
Total, Amount	144,385	174,471
Long-term debt payments [Member]
Long Term Debt Maturities Repayments Of Principal [Line Items]
2014, Amount	57,854
2015, Amount	79,971
2016, Amount	389
2017, Amount	407
2018, Amount	426
Thereafter, Amount	5,300
Total, Amount	144,347
Purchase valuation amortization [Member]
Long Term Debt Maturities Repayments Of Principal [Line Items]
2014, Amount	38
2015, Amount	0
2016, Amount	0
2017, Amount	0
2018, Amount	0
Thereafter, Amount	0
Total, Amount	$ 38