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Capital Transactions - Information About Stock Options Outstanding (Details) - Employee stock options | 12 Months Ended
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Dec. 31, 2018 $ / shares shares
$12.00 to $13.99 |
Stock options, exercise price |
Exercise price range, low end of range (in dollars per share) | $ 12.00
Exercise price range, high end of range (in dollars per share) | $ 13.99
Options Outstanding |
Number of options outstanding (in shares) | shares | 193,231
Options outstanding, Weighted Average Remaining Contractual Life | 2 years 4 months 24 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 13.04
Options Exercisable |
Number of options Exercisable (in shares) | shares | 193,231
Options Exercisable, Weighted Average Exercise Price (in dollars per share) | $ 13.04
$14.00 to $15.99 |
Stock options, exercise price |
Exercise price range, low end of range (in dollars per share) | 14.00
Exercise price range, high end of range (in dollars per share) | $ 15.99
Options Outstanding |
Number of options outstanding (in shares) | shares | 104,159
Options outstanding, Weighted Average Remaining Contractual Life | 4 years 1 month 6 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 14.78
Options Exercisable |
Number of options Exercisable (in shares) | shares | 41,292
Options Exercisable, Weighted Average Exercise Price (in dollars per share) | $ 14.78
$16.00 to $19.00 |
Stock options, exercise price |
Exercise price range, low end of range (in dollars per share) | 16.00
Exercise price range, high end of range (in dollars per share) | $ 19.00
Options Outstanding |
Number of options outstanding (in shares) | shares | 3,190
Options outstanding, Weighted Average Remaining Contractual Life | 3 years 9 months 18 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 18.31
Options Exercisable |
Number of options Exercisable (in shares) | shares | 1,149
Options Exercisable, Weighted Average Exercise Price (in dollars per share) | $ 17.25
$12.00 to $19.00 |
Stock options, exercise price |
Exercise price range, low end of range (in dollars per share) | 12.00
Exercise price range, high end of range (in dollars per share) | $ 19.00
Options Outstanding |
Number of options outstanding (in shares) | shares | 300,580
Options outstanding, Weighted Average Remaining Contractual Life | 3 years
Options Outstanding, Weighted Average Exercise Price (in dollars per share) | $ 13.70
Options Exercisable |
Number of options Exercisable (in shares) | shares | 235,672
Options Exercisable, Weighted Average Exercise Price (in dollars per share) | $ 13.36

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- Definition The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(iii) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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