Subsequent event (Details) - Subsequent Event - USD ($) $ / shares in Units, $ in Millions |
Feb. 28, 2018 |
Feb. 15, 2018 |
Jan. 16, 2018 |
Jan. 05, 2018 |
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| Subsequent Event [Line Items] | ||||
| Dividend declared date | Jan. 05, 2018 | |||
| Cash dividend declared (in dollars per share) | $ 0.045 | |||
| Dividends payable date | Feb. 28, 2018 | |||
| Dividends payable date of record | Feb. 15, 2018 | |||
| Chief Executive Officer | ||||
| Subsequent Event [Line Items] | ||||
| Confidentiality and non-complete agreement | 3 years | |||
| Executive Officer | ||||
| Subsequent Event [Line Items] | ||||
| Confidentiality and non-complete agreement | 18 months | |||
| Director | ||||
| Subsequent Event [Line Items] | ||||
| Tax benefit from compensation expense | $ 1.7 |
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- Definition Employee Contract Term No definition available.
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- Definition Aggregate dividends declared during the period for each share of common stock outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Date the declared dividend will be paid, in CCYY-MM-DD format. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Date the dividend to be paid was declared, in CCYY-MM-DD format. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format. No definition available.
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. No definition available.
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