Balance Sheet Details (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Balance Sheet Related Disclosures [Abstract]
Insurance recovery for workers’ compensation	$ 1,403	$ 3,316
Insurance recovery for professional liability	1,463	2,308
Insurance recovery receivable	2,866	5,624
Insurance recovery for workers’ compensation – long-term	6,281	5,677
Insurance recovery for professional liability – long-term	10,722	11,148
Non-current security deposits	991	1,064
Non-current insurance recovery receivable	17,994	17,889
Salaries and payroll taxes	11,976	8,406
Bonuses	4,584	4,050
Accrual for workers’ compensation claims	5,151	6,996
Accrual for professional liability insurance	2,516	4,652
Accrual for health care benefits	3,009	2,206
Accrual for vacation	2,166	2,421
Accrued compensation and benefits	29,402	28,731
Accrual for workers’ compensation claims	14,014	14,221
Accrual for professional liability insurance	16,056	17,847
Long-term accrued claims	30,070	32,068
Deferred compensation	1,412	1,510
Deferred rent	2,473	2,453
Long-term unrecognized tax benefits	819	889
Other	122	47
Other long-term liabilities	$ 4,826	$ 4,899

The current portion of the amount receivable from insurance for recovery for workers compensation.

No definition available.

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- Definition

The long term portion of the amount receivable from insurance for recovery for workers compensation.

+ References

No definition available.

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- Definition

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due after one year (or beyond the operating cycle if longer), including liabilities for compensation costs, fringe benefits other than pension and postretirement obligations, rent, contractual rights and obligations, and statutory obligations.

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Carrying value as of the balance sheet date of obligations incurred and payable for incentive compensation awarded to employees and directors or earned by them based on the terms of one or more relevant arrangements. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Carrying value as of the balance sheet date of the obligations incurred through that date and payable for employees' services provided. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of obligations incurred and payable for unused vacation time owed to employees based on the entity's vacation benefit given to its employees. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 710
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Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable beyond one year (or the operating cycle, if longer).

+ References

No definition available.

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- Definition

For a classified balance sheet, the cumulative difference between the rental income or payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense, by the lessor or lessee, respectively, more than one year after the balance sheet date.

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Carrying value of amounts transferred to third parties for security purposes that are expected to be returned or applied towards payment after one year or beyond the operating cycle, if longer.

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Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

The current portion of the amount receivable from insurance and similar arrangements for reimbursement and payment of malpractice claims and litigation costs.

+ References

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The noncurrent portion of the receivable from insurance and similar arrangements for reimbursement and payment of malpractice claims and litigation costs.

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Amount due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer.

+ References

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Carrying amount due after one year of the balance sheet date (or one operating cycle, if longer) of amount due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy.

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Aggregated carrying amounts of obligations as of the balance sheet date, excluding long-term debt, incurred as part of the normal operations that are expected to be paid after one year or beyond the normal operating cycle, if longer. Alternate captions include Total Deferred Credits and Other Liabilities.

+ References

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The noncurrent portion of the amount recognized for uncertain tax positions as of the balance sheet date.

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Amount of the current portion of the accrued liability on an undiscounted basis for malpractice claims (including general and professional liability).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
-Paragraph 1
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Amount of the noncurrent portion of the accrued liability on an undiscounted basis for malpractice claims (including general and professional liability).

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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for employer-related costs not otherwise specified in the taxonomy. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Aggregate carrying amount, as of the balance sheet date, of noncurrent obligations not separately disclosed in the balance sheet. Noncurrent liabilities are expected to be paid after one year (or the normal operating cycle, if longer).

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- Definition

Carrying value as of the balance sheet date of obligations and payables pertaining to claims incurred of a workers compensation nature. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

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- Definition

Carrying value as of the balance sheet date of obligations and payables pertaining to claims incurred of a workers compensation nature. Used to reflect the noncurrent portion of the liabilities (due beyond one year; or beyond one operating cycle if longer).

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