Schedule I - Condensed Financial Information of Registrant - Schedule of Long-term Debt Outstanding (Detail) (Parent company [Member], USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
Parent company [Member]
Guarantor Obligations [Line Items]
Secured Term Loan, guaranteed by parent	$ 68,438
Other, most of which is collateralized by real estate, guaranteed by the parent	3,633
Subsidiaries Long Term Debt Outstanding	$ 72,071