Aggregate dividends declared during the period for each share of common stock outstanding.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

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-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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Minimum amount to be expended to satisfy the terms of arrangements in which the entity has agreed to expend funds to procure goods or services, excluding long-term purchase commitments or unconditional purchase obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.25)

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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-Paragraph 25

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

-Topic 942

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

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-Topic 944

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Subsequent Events (Detail) (USD $)	0 Months Ended
Subsequent Events (Detail) (USD $)	Mar. 17, 2014	Mar. 18, 2013	Feb. 27, 2015	Feb. 27, 2015	Dec. 31, 2014	Jan. 09, 2015
Subsequent Event [Line Items]
Dividends declared (in dollars per share)	$ 0.05	$ 0.05
Revolving Credit Facility [Member]
Subsequent Event [Line Items]
Maximum borrowing capacity					$ 55,000,000
Subsequent Event [Member]
Subsequent Event [Line Items]
Dividends declared (in dollars per share)			$ 0.06
Subsequent Event [Member] \| Restated Credit Agreement [Member] \| Wells Fargo Bank [Member] \| Revolving Credit Facility [Member] \| Payment Guarantee [Member] \| Line of Credit [Member]
Subsequent Event [Line Items]
Debt Instrument, Term				5 years
Maximum borrowing capacity			80,000	80,000
Dryers [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Purchase commitment, remaining minimum amount committed						$ 5,439,000