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Unrecognized compensation expense to be recognized	$ 4.4
Weighted average compensation expense recognize period	1 year 10 months 2 days
Maximum number of shares available (in shares)	438,000
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
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Compensation expense	$ 3.9	$ 3.2	$ 2.4
Tax benefit realized on compensation expense	$ 0.8	$ 0.7	$ 0.5
Restricted Stock, Time Based \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
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Stock plan expiration period	10 years
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Restricted shares granted (in shares)	162,677		30,959
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
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Stock plan expiration period	10 years
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