Subsequent event (Details) - Subsequent Event - USD ($) $ / shares in Units, $ in Millions |
3 Months Ended | ||
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Feb. 28, 2019 |
Jan. 04, 2019 |
Mar. 31, 2019 |
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| Subsequent Event [Line Items] | |||
| Dividend declared date | Jan. 04, 2019 | ||
| Cash dividend declared (in dollars per share) | $ 0.25 | ||
| Dividends payable date | Feb. 28, 2019 | ||
| Dividends payable date of record | Feb. 15, 2019 | ||
| Member of Board of Directors | Restricted Stock Units (RSUs) | |||
| Subsequent Event [Line Items] | |||
| Tax benefit from compensation expense | $ 1.7 |
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- Definition Aggregate dividends declared during the period for each share of common stock outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Date the declared dividend will be paid, in CCYY-MM-DD format. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Date the dividend to be paid was declared, in CCYY-MM-DD format. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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 amount of income tax expense reduction and deferred tax asset recorded in the transaction in which equity securities were issued to pay for goods or nonemployee services. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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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