Other Liabilities - Accrued and other liabilities (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Accrued and other liabilities	$ 13,068	$ 7,526
Accrued compensation and related taxes
Accrued and other liabilities	4,255	4,207
Deferred revenue
Accrued and other liabilities	2,799	857
Insurance
Accrued and other liabilities	3,992	310
Professional services
Accrued and other liabilities	660	608
Accrued fuel and rig-related charges
Accrued and other liabilities	514	652
Tax-related
Accrued and other liabilities	258	385
Other
Accrued and other liabilities	$ 590	$ 507