Intangible Assets (Details Textual) (Details) (Mirth [Member], USD $) In Thousands, unless otherwise specified	0 Months Ended
Sep. 09, 2013	Mar. 31, 2014
Finite Lived Intangible Assets [Line Items]
Intangible assets	$ 26,350	$ 1,350
Weighted average amortization period	6 years 8 months 12 days
Percentage of acquired intangible assets that are expected to be deductible for income tax purposes	95.00%
Trade Names [Member]
Finite Lived Intangible Assets [Line Items]
Intangible assets		$ 2,800
Weighted average amortization period	5 years
Software Technology [Member]
Finite Lived Intangible Assets [Line Items]
Weighted average amortization period	7 years

Business Combination, Deferred Tax Assets, As A Percent Of Eligible Assets Acquired

No definition available.

Name:	qsii_BusinessCombinationDeferredTaxAssetsAsAPercentOfEligibleAssetsAcquired
Namespace Prefix:	qsii_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275

+ Details

Name:	us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of identifiable intangible assets recognized as of the acquisition date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4845-128472

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 55

-Paragraph 37

-URI http://asc.fasb.org/extlink&oid=25498275&loc=d3e2207-128464

+ Details

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration