Share-Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
		Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercised (in shares)		0
Deferred compensation obligation		$ 0	$ 116	$ (677)
Recognized expense		900	1,700	$ 1,000
Compensation	[1]	$ 9,904	$ 9,197
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period		10 years
Vesting period		3 years
Employee retirement eligibility age		62 years
Weighted-average grant-date fair value of options granted during period (per share)		$ 3.15	$ 7.46	$ 2.35
Total intrinsic value of options exercised		$ 2,300	$ 100
Exercised (in shares)				0
Unrecognized compensation cost		$ 2,300
Unrecognized compensation cost weighted-average recognition period		9 months
Total grant-date fair values of options vested during period		$ 1,300	1,800	$ 2,700
Employee retirement eligibility requirement, consecutive years of service		10 years
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		3 years
Deferred Common Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)		195,395
Granted (in dollars per share)		$ 1.33
Deferred compensation obligation		$ 3,400	3,200	2,800
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		3 years
Unrecognized compensation cost		$ 3,700
Granted (in shares)		544,030
Granted (in dollars per share)		$ 5.07
Total grant-date fair values of RSUs that vested during period		$ 2,200	600	$ 1,700
Incremental common shares attributable to participating nonvested shares with non-forfeitable dividend rights, vesting period		30 days
Performance Based Restricted Stock Units (PBRSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		3 years
Granted (in shares)		282,181
Granted (in dollars per share)		$ 7.38
Total fair value			$ 6,400
Performance Based Restricted Stock Units (PBRSUs) | Other Current Liabilities
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Liability-classified share-based compensation awards, current		$ 7,200
Performance Based Restricted Stock Units (PBRSUs) | Other Noncurrent Liabilities
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total fair value		$ 100
Performance Based Restricted Stock Units (PBRSUs) | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares expected to vest at grant date		0.00%
Performance Based Restricted Stock Units (PBRSUs) | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares expected to vest at grant date		200.00%
Vests ratably over 3 years | Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting description		One-third vesting in each year
Award vesting rights percentage		33.33%
Vests ratably over 3 years | Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting description		One-third vesting in each year
Award vesting rights percentage		33.33%
Vests ratably over 3 years | Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting description		One-third vesting in each year
Award vesting rights percentage		33.33%
Performance Period 1 | Performance Based Restricted Stock Units (PBRSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance period		1 year
Performance Period 2 | Performance Based Restricted Stock Units (PBRSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance period		2 years
Performance Period 3 | Performance Based Restricted Stock Units (PBRSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance period		3 years
Employees and Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for issuance		2,226,571.000
Non-employee Director | Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)		195,395	15,501	77,598
Granted (in dollars per share)		$ 1.33	$ 11.61	$ 5.39
Other Pension Plan, Postretirement or Supplemental Plans [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pension and Other Postretirement Benefit Expense		$ 100	$ 100	$ 300
Pension and Other Postretirement Defined Benefit Plans, Liabilities, Noncurrent		2,100	2,800
Pension Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation		$ 200	$ 300

[1] Includes liability-classified share-based compensation awards of $7.2 million and $2.9 million in Accounts payable and accrued expenses and an amount less than $0.1 million and $6.4 million in Other liabilities as of December 31, 2015 and 2014.