Commitments and Contingencies - Additional Information (Detail)				1 Months Ended		12 Months Ended
	Feb. 02, 2016 USD ($)	Nov. 15, 2013 ft²	Oct. 07, 2013 USD ($)	Mar. 31, 2011 ft²	Apr. 30, 2010 ft² item	Dec. 31, 2015 USD ($) lease	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2010 tenant item
Loss Contingencies [Line Items]
Rent expense, excluding amounts related to gain or loss on sublease						$ 10,629,000	$ 12,362,000	$ 12,686,000
Operating sublease income						1,163,000	1,126,000	$ 674,000
Renewal option period									5 years
Short-term portion of liability						$ 349,000	346,000
Number of Leases | lease						18
Long-term portion of liability						$ 799,000	1,148,000
Master Lease
Loss Contingencies [Line Items]
Lease initial term					18 years
Renewal of lease period					10 years
Number of renewal periods | item					2
Annual rent escalation in initial lease period and in first renewal period									3.00%
Percentage of increase in rent each year					3.00%
Subleases to two retail tenants
Loss Contingencies [Line Items]
Number of retail tenants | item									2
November 2013 sublease replacing third tenant
Loss Contingencies [Line Items]
Loss recorded related to subleased office space						$ 1,179,000
Assignment and Assumption of Leases Agreements
Loss Contingencies [Line Items]
Number of Leases | lease						2
Period over which company remains secondarily liable						P65M
Outstanding lease guarantees						$ 6,630,000
Self insurance program liability						$ 309,000	285,000
Assignment and Assumption of Leases Agreements | Recovery by defendants of certain costs
Loss Contingencies [Line Items]
Number of Leases | lease						18
HBN
Loss Contingencies [Line Items]
Legal damages awarded			$ 3,153,000
Payment of legal settlement	$ 3,251,000
HBN liability accrual, impact to financial position and results of operations						$ 2,703,000
Minimum | Subleases to two retail tenants
Loss Contingencies [Line Items]
Range of subleases in square feet | ft²					4,000
Range of subleases initial term									5 years
Number of sublease renewal option periods | tenant									2
Maximum | Subleases to two retail tenants
Loss Contingencies [Line Items]
Range of subleases in square feet | ft²					10,500
Range of subleases initial term									10 years
Number of sublease renewal option periods | tenant									9
Maximum | March 2011 sublease with third tenant
Loss Contingencies [Line Items]
Range of subleases in square feet | ft²				20,000
Maximum | November 2013 sublease replacing third tenant
Loss Contingencies [Line Items]
Range of subleases in square feet | ft²		20,000
Selling, Operating and Administrative Expenses [Member] | HBN
Loss Contingencies [Line Items]
HBN liability accrual, impact to financial position and results of operations							26,000
Interest Expense [Member] | HBN
Loss Contingencies [Line Items]
HBN liability accrual, impact to financial position and results of operations							$ 522,000