Business Acquisition, Contingent Consideration, Possible Number of Shares to be Issued

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- Definition

Dividend equivalents paid on restricted stock units.

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No definition available.

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- Definition

Share Based Compensation Arrangement by Share Based Payment Award, Per Share Average Price of Shares Purchased

+ References

No definition available.

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- Definition

Number of shares of equity interests issued or issuable to acquire entity.

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- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

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- Definition

Fair value of contingent consideration in a business combination that is classified in shareholders' equity.

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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

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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- Definition

The cash outflow to reacquire common stock during the period.

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- Definition

The cash outflow for cost incurred directly with the issuance of an equity security.

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- Definition

Cash received on stock transaction after deduction of issuance costs.

+ References

No definition available.

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- Definition

Amount of consideration received by subsidiary or equity investee in exchange for shares of stock issued or sold. Includes amount of cash received, fair value of noncash assets received, and fair value of liabilities assumed by the investor.

+ References

No definition available.

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- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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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

Amount of stock repurchase plan authorized.

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Amount remaining of a stock repurchase plan authorized.

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- Definition

Total cost of shares repurchased divided by the total number of shares repurchased.

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- Definition

Number of shares that have been repurchased during the period and are being held in treasury.

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- Definition

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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Equity (Details) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended	3 Months Ended	12 Months Ended
	Apr. 01, 2015	Nov. 30, 2017	Mar. 31, 2018	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Oct. 31, 2017	Sep. 30, 2017
Equity, Class of Treasury Stock [Line Items]
Cost of repurchased common stock				$ 195,299	$ 79,561	$ 28,186
Dividends declared per common share (usd per share)				$ 0.20	$ 1.4	$ 1.8
Dividend equivalents paid on outstanding restricted stock units				$ 1,100	$ 6,300	$ 8,500
Common stock
Equity, Class of Treasury Stock [Line Items]
Repurchased common stock (shares)				7,497,635	3,777,548
Average repurchase price of common stock (usd per share)				$ 24.89	$ 17.41
Cost of repurchased common stock				$ 186,600
Restricted stock units
Equity, Class of Treasury Stock [Line Items]
Restricted stock units vested and issued as common stock (shares)			931,180	1,238,733	1,197,260
Repurchased shares for award (shares)				433,507	491,677
Average repurchase price of shares for award (usd per share)				$ 20.00	$ 28.04
Treasury stock, value, acquired, cost method				$ 8,700	$ 13,800
Cogent Partners, LP
Equity, Class of Treasury Stock [Line Items]
Common stock issued on acquisition date (in shares)	779,454
Possible contingent consideration (shares)	334,048
Fair value of contingent common shares	$ 11,900
Chairman and Chief Executive Officer
Equity, Class of Treasury Stock [Line Items]
Company stock sold, total		$ 20,000
Total common shares issued (in shares)		1,159,420
Chairman
Equity, Class of Treasury Stock [Line Items]
Company stock sold per transaction		$ 10,000
Chief Executive Officer
Equity, Class of Treasury Stock [Line Items]
Company stock sold per transaction		$ 10,000
Term loan \| Secured debt \| Recapitalization credit agreement
Equity, Class of Treasury Stock [Line Items]
Amount borrowed							$ 350,000
Common stock
Equity, Class of Treasury Stock [Line Items]
Cost of repurchased common stock					65,800
Share repurchase program, September 2017 \| Common stock
Equity, Class of Treasury Stock [Line Items]
Authorized repurchase amount (up to)								$ 285,000
Repurchased common stock (shares)				11,275,183
Average repurchase price of common stock (usd per share)				$ 22.39
Cost of repurchased common stock				$ 252,400
Fees and expenses related to tender offer				200	$ 700
Remaining authorization under share repurchase plan				$ 32,600