Quarterly report pursuant to Section 13 or 15(d)

Reconciliation of Beginning and Ending Balance for Liabilities Measured at Fair Value on Recurring Basis Unobservable Inputs (Detail)

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Reconciliation of Beginning and Ending Balance for Liabilities Measured at Fair Value on Recurring Basis Unobservable Inputs (Detail)
$ in Thousands
9 Months Ended
Sep. 30, 2017
USD ($)
[1]
Fair Value Disclosures [Abstract]  
Beginning balances - Liabilities $ 373
Total loss included in accumulated other comprehensive loss 71
Settlements included in interest expense (444)
Ending balances - Liabilities $ 0
[1] (1)The Company was previously party to an interest rate swap agreement, which expired in April 2016.