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Accounts Receivable - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | |
|---|---|---|
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Dec. 31, 2013
|
Dec. 31, 2012
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Accounts receivable, percentage of balances more than six months old | 14.00% | 17.00% |
| Percentage of outstanding patient accounts receivables to be reserved as per Company's policy | 100.00% | |
| Account receivable outstanding, number of months | 4 months | |
| Decrease in allowance for doubtful accounts | $ (7,979) | $ (5,221) |
|
Government-based Programs, Medicare and Medicaid | Accounts Receivable
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| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Percentage of accounts receivable due | 80.00% | |
|
Health Care Patient | Accounts Receivable
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| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Percentage of accounts receivable due | 1.00% | |