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v3.19.3.a.u2

Allowance for Doubtful Accounts (Tables) | 12 Months Ended
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Dec. 31, 2019
Receivables [Abstract] |
Allowance for Doubtful Debts | In order to provide for these collection problems and the general risk associated with the granting of credit terms, the Company recorded the following bad debt provisions (in an Allowance for Doubtful Accounts):
| Year Ended December 31, |  |  |  |
| 2019 |  | 2018 |  | 2017
| (in thousands) |  |  |  |  |
Bad debt provision | $ | 25,480 |  |  | $ | 51,387 |  |  | $ | 6,250 |
Impaired Notes Receivable | Summary schedules of impaired notes receivable, and the related reserve, for the years ended December 31, 2019, 2018 and 2017 was as follows:
|  | Impaired Notes Receivable |  |  |  |  |  |  |  |
Year Ended December 31, |  | Balance Beginning of Year |  | Additions |  | Deductions |  | Balance End of Year |  | Average Outstanding Balance
|  | (in thousands) |  |  |  |  |  |  |  |
2019 |  | $ | 25,704 |  |  | $ | 3,763 |  |  | $ | 4,830 |  |  | $ | 24,637 |  |  | $ | 27,554 |
2018 |  | $ | 6,854 |  |  | $ | 23,382 |  |  | $ | 4,532 |  |  | $ | 25,704 |  |  | $ | 15,448 |
2017 |  | $ | 5,685 |  |  | $ | 1,169 |  |  | $ | — |  |  | $ | 6,854 |  |  | $ | 6,270 |
|  | Reserve for Impaired Notes Receivable |  |  |  |  |  |
Year Ended December 31, |  | Balance Beginning of Year |  | Additions |  | Deductions |  | Balance End of Year
|  | (in thousands) |  |  |  |  |  |
2019 |  | $ | 13,472 |  |  | $ | 3,575 |  |  | $ | 4,557 |  |  | $ | 12,490 |
2018 |  | $ | 2,884 |  |  | $ | 12,526 |  |  | $ | 1,938 |  |  | $ | 13,472 |
2017 |  | $ | 2,419 |  |  | $ | 465 |  |  | $ | — |  |  | $ | 2,884 |

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- Definition Schedule Of Bad Debt Expense [Table Text Block] + References No definition available. + Details
Name: | hcsg_ScheduleOfBadDebtExpenseTableTextBlock
Namespace Prefix: | hcsg_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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- Definition Tabular disclosure of impaired financing receivables. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivablesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_ReceivablesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration