Annual fair value limit on stock purchased under employee stock purchase plan.

No definition available.

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- Definition

Employee service share-based compensation, nonvested awards, compensation cost not yet recognized, period for recognition year 1.

+ References

No definition available.

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- Definition

Employee service share-based compensation, nonvested awards, compensation cost not yet recognized, period for recognition year 2.

+ References

No definition available.

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- Definition

Employee service share-based compensation, nonvested awards, compensation cost not yet recognized, period for recognition year 3.

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No definition available.

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- Definition

Employee service share-based compensation, nonvested awards, compensation cost not yet recognized, period for recognition year 4.

+ References

No definition available.

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- Definition

Share based compensation arrangement by share based payment awards outstanding liability.

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No definition available.

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- Definition

Stock options exercisable period.

+ References

No definition available.

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
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- Definition

Represents the compensation cost capitalized during the period arising from equity-based compensation arrangements (for example, shares of stock, units, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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- Definition

Unrecognized cost of unvested share-based compensation awards.

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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-Name Accounting Standards Codification
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-SubTopic 10
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-Paragraph 2
-Subparagraph (a)(1)
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- Definition

Description of award terms as to how many shares or portion of an award are no longer contingent on satisfaction of either a service condition, market condition or a performance condition, thereby giving the employee the legal right to convert the award to shares, to sell the shares, and be entitled to the cash proceeds of such sale. For example, vesting may be expressed as being 25 percent of the shares under option on each anniversary of the grant date.

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- Definition

Discount rate from fair value on offering date that participants pay for shares.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

The highest percentage of annual salary that an employee is permitted to utilize with respect to the plan.

+ References

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- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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-Paragraph 2
-Subparagraph (a)(3)
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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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- Definition

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(3)
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- Definition

Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

+ References

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- Definition

Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of fully vested and expected to vest options that are exercisable.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)(2)
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- Definition

Number of share instruments newly issued under a share-based compensation plan.

+ References

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- Definition

Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

+ References

No definition available.

+ Details

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- Definition

Price of a single share of a number of saleable stocks of a company.

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No definition available.

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- Definition

Period from grant date that an equity-based award expires, 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 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(2)
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- Definition

Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Weighted average remaining contractual term for option awards outstanding, 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
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-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)(1)
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- Definition

For net-share settlement of share-based awards when the employer settles employees' income tax withholding obligations, this element represents the number of shares the employees use to repay the employer.

+ References

No definition available.

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- Definition

Number of shares issued during the period as a result of an employee stock purchase plan.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

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-Name Accounting Standards Codification
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-Paragraph 1
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-Paragraph 1
-Subparagraph (SX 210.3-04)
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Stock Award Plans - Additional Information (Detail) - USD ($) $ / shares in Units, shares in Thousands	8 Months Ended	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense included in provision for income taxes		$ 7,000,000
Capitalized stock-based compensation costs		0	$ 0	$ 0
Unrecognized compensation cost	$ 51,400,000	$ 51,400,000
Unrecognized compensation expense expected to recognized over weighted-average period, in years		2 years 3 months 18 days
Common stock shares reserved for issuance under future share-based awards	3,000	3,000
Shares settled for tax withholding		648	523	669
Stock options, contractual terms		7 years
Aggregate intrinsic value of stock options outstanding	$ 0	$ 0
Aggregate intrinsic value of stock options exercisable	$ 0	$ 0
Share price	$ 10.21	$ 10.21
Weighted average remaining contractual life of options outstanding, in years		3 years 2 months 12 days
Weighted average remaining contractual life of options exercisable, in years		3 years 2 months 12 days
Weighted-average exercise price, Options granted		$ 0.00	$ 0.00	$ 0.00
Option Units, Forfeited during the period		434	767	606
Stock based compensation expense		$ 44,152,000	$ 36,627,000	$ 39,254,000
Netsmart [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost	$ 27,700,000	$ 27,700,000
Share price	$ 1.00	$ 1.00
Stock based compensation expense		$ 5,806,000
Liability for outstanding awards	$ 5,800,000	5,800,000
Share based compensation expense remaining to be recognized, 2017	6,700,000	6,700,000
Share based compensation expense remaining to be recognized, 2018	8,400,000	8,400,000
Share based compensation expense remaining to be recognized, 2019	8,400,000	8,400,000
Share based compensation expense remaining to be recognized, 2020	$ 4,200,000	$ 4,200,000
Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Payroll deductions	20.00%	20.00%
Offering price percentage		15.00%
Shares purchased under the ESPP		756	675
Nathan Holding LLC 2016 Unit Option Plan [Member] \| Netsmart [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average exercise price, Options granted		$ 1.00
Option Units, Forfeited during the period		2,316
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Annual fair value limit on shares purchased		$ 25,000
Service-based share awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost	$ 38,700,000	$ 38,700,000
Unrecognized compensation expense expected to recognized over weighted-average period, in years		2 years 6 months
Share based compensation award vesting period		4 years
Deferred share units awarded to directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation award vesting period		1 year
Awards Granted Under Financial Performance [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation award vesting period		3 years
Awards Granted Under Financial Performance [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation award vesting period		4 years
Performance-Based Share Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost	4,300,000	$ 4,300,000
Unrecognized compensation expense expected to recognized over weighted-average period, in years		1 year 4 months 24 days
Market-Based Share Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost	8,400,000	$ 8,400,000
Unrecognized compensation expense expected to recognized over weighted-average period, in years		1 year 10 months 24 days
Share based compensation award vesting period		3 years
Class B Non Voting Common Units \| Netsmart [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate intrinsic value of stock options outstanding	$ 0	$ 0
Weighted average remaining contractual life of options outstanding, in years		9 years 3 months 22 days
Weighted average remaining contractual life of options exercisable, in years		0 years
Options issued during the period	89,889
Weighted-average exercise price, Options granted	$ 1.00	$ 1.00
Class B Non Voting Common Units \| Nathan Holding LLC 2016 Unit Option Plan [Member] \| Netsmart [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock shares reserved for issuance under future share-based awards	28,918	28,918
Maximum issuance of options	116,491	116,491
Class B Non Voting Common Units \| Maximum [Member] \| Nathan Holding LLC 2016 Unit Option Plan [Member] \| Netsmart [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option Units expiration period		10 years
Time Based Option Units [Member] \| Nathan Holding LLC 2016 Unit Option Plan [Member] \| Netsmart [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation award vesting period		4 years
Options issued during the period		64,198
Option Units, Forfeited during the period		1,654
Vesting description		The Option Units vest ratably over a period of four years, with the first twenty-five percent vesting at the first anniversary of the issuance and the remaining vesting in equal monthly increments over the following thirty-six months
Performance Based Option Units [Member] \| Nathan Holding LLC 2016 Unit Option Plan [Member] \| Netsmart [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options issued during the period		25,691
Option Units, Forfeited during the period		662
Stock based compensation expense		$ 0