Description of Business and Summary of Significant Accounting Policies - Accounts Payable and Accrued Liabilities of Continuing Operations (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Accounts Payable and Accrued Liabilities [Abstract]
Trade accounts payable	$ 31,942	$ 26,932
Property and other taxes payable	35,598	31,553
Deferred revenues	38,581	39,822
Accrued salaries and benefits	18,477	21,655
Accrued self-insurance reserves	2,176	4,134
Accrued interest payable	5,560	7,954
Other accrued liabilities	34,514	25,289
Total accounts payable and accrued liabilities	$ 166,848	$ 157,339