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USD ($)

USD ($) / shares

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USD ($)

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 -Paragraph 32
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 -Publisher FASB
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 -Number 157
 -Paragraph 32
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 -Number 157
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 -Publisher FASB
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 -Publisher FASB
 -Name FASB Staff Position (FSP)
 -Number APB14-1
 -Paragraph 31
 -Subparagraph b

Reference 2: http://www.xbrl.org/2003/role/presentationRef
 -Publisher SEC
 -Name Regulation S-X (SX)
 -Number 210
 -Section 02
 -Paragraph 20
 -Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef
 -Publisher SEC
 -Name Regulation S-X (SX)
 -Number 210
 -Section 02
 -Paragraph 22
 -Article 5

Reference 4: http://www.xbrl.org/2003/role/presentationRef
 -Publisher SEC
 -Name Regulation S-X (SX)
 -Number 210
 -Section 03
 -Paragraph 16
 -Article 9

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 -Publisher FASB
 -Name Statement of Financial Accounting Standard (FAS)
 -Number 107
 -Paragraph 10

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