Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 12 Months Ended | |||||||||
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Dec. 31, 2018 |
Sep. 30, 2018 |
Jun. 30, 2018 |
Mar. 31, 2018 |
Dec. 31, 2017 |
Sep. 30, 2017 |
Jun. 30, 2017 |
Mar. 31, 2017 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
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Basic | |||||||||||
Net income available to common shareholders | $ 18,911 | $ 20,902 | $ 22,059 | $ 20,436 | $ 2,457 | $ 17,394 | $ 16,926 | $ 15,717 | $ 82,308 | $ 52,494 | $ 59,340 |
Less: dividends and undistributed earnings allocated to unvested restricted stock awards | (1,315) | (818) | (912) | ||||||||
Net earnings allocated to common shareholders | $ 80,993 | $ 51,676 | $ 58,428 | ||||||||
Weighted average shares outstanding, including unvested stock-based compensation awards (in shares) | 15,283,914 | 15,193,438 | 15,044,733 | ||||||||
Less: unvested stock-based compensation awards (in shares) | (244,685) | (243,006) | (232,021) | ||||||||
Weighted average shares outstanding - Basic (in shares) | 15,039,229 | 14,950,432 | 14,812,712 | ||||||||
Diluted | |||||||||||
Net earnings allocated to common shareholders | $ 80,993 | $ 51,676 | $ 58,428 | ||||||||
Weighted average shares outstanding - Basic (in shares) | 15,039,229 | 14,950,432 | 14,812,712 | ||||||||
Plus: incremental shares from assumed conversion of stock-based compensation awards (in shares) | 93,028 | 122,823 | 123,519 | ||||||||
Weighted average shares outstanding - Diluted (in shares) | 15,132,257 | 15,073,255 | 14,936,231 | ||||||||
Basic EPS (in dollars per share) | $ 1.24 | $ 1.37 | $ 1.44 | $ 1.34 | $ 0.16 | $ 1.14 | $ 1.11 | $ 1.04 | $ 5.39 | $ 3.46 | $ 3.94 |
Diluted EPS (in dollars per share) | $ 1.23 | $ 1.36 | $ 1.43 | $ 1.33 | $ 0.16 | $ 1.14 | $ 1.11 | $ 1.03 | $ 5.35 | $ 3.43 | $ 3.91 |
Antidilutive securities excluded from computation of earning per share (in shares) | 10,013 | 20,789 | 72,321 |
X | ||||||||||
- Definition This element represents the income allocated to unvested restricted stock awards. No definition available.
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X | ||||||||||
- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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X | ||||||||||
- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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X | ||||||||||
- References No definition available.
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X | ||||||||||
- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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X | ||||||||||
- References No definition available.
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X | ||||||||||
- Definition This element represents nonvested share-based payment awards that contain non-forfeitable rights to dividends or dividend equivalents (whether paid or unpaid). Basic and dilutive earnings per share are generally disclosed for such shares using the two-class method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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X | ||||||||||
- Definition Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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X | ||||||||||
- Definition Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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X | ||||||||||
- Definition Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities, and addition from assumption of issuance of common shares for dilutive potential common shares; of income (loss) available to common shareholders. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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X | ||||||||||
- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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X | ||||||||||
- Definition This element represents the weighted average total number of shares issued throughout the period including the first (beginning balance outstanding) and last (ending balance outstanding) day of the period before considering any reductions (for instance, shares held in treasury) to arrive at the weighted average number of shares outstanding. Weighted average relates to the portion of time within a reporting period that common shares have been issued and outstanding to the total time in that period. Such concept is used in determining the weighted average number of shares outstanding for purposes of calculating earnings per share (basic). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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X | ||||||||||
- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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