v2.4.0.6

Derivatives and Hedging Activities (Details) (USD $) | 12 Months Ended | 0 Months Ended |  |  |  |  |  |
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Dec. 31, 2011 | Jan. 07, 2008 Interest Rate Floor [Member] Derivative_Instruments | Dec. 31, 2011 Derivatives Not Designated as Hedging Instruments [Member] Interest Rate Contracts [Member] | Dec. 31, 2010 Derivatives Not Designated as Hedging Instruments [Member] Interest Rate Contracts [Member] | Dec. 31, 2011 Derivatives Not Designated as Hedging Instruments [Member] Other Assets [Member] Interest Rate Contracts [Member] | Dec. 31, 2010 Derivatives Not Designated as Hedging Instruments [Member] Other Assets [Member] Interest Rate Contracts [Member] | Dec. 31, 2011 Derivatives Not Designated as Hedging Instruments [Member] Other Liabilities [Member] Interest Rate Contracts [Member] | Dec. 31, 2010 Derivatives Not Designated as Hedging Instruments [Member] Other Liabilities [Member] Interest Rate Contracts [Member]
Derivative [Line Items] |  |  |  |  |  |  |  |
Notional Amount of Interest Rate Derivative Instruments Not Designated as Hedging Instruments |  |  | $ 160,300,000 | $ 141,300,000 |  |  |  |
Fair value of asset derivative instruments |  |  |  |  | 16,302,000 | 10,167,000 |  |
Fair value of liability derivative instruments |  |  |  |  |  |  | 16,302,000 | 10,167,000
Derivative, Number of Instruments Terminated |  | 3 |  |  |  |  |  |
Proceeds from Termination of Derivative Instruments |  | 8,100,000 |  |  |  |  |  |
Gain on Derivative Instruments, Pretax |  | 6,200,000 |  |  |  |  |  |
Interest Rate Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net | 143,000 |  |  |  |  |  |  |
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net | $ 0 |  |  |  |  |  |  |

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- Definition Fair value of derivative asset, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5624163-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44C -Subparagraph a -Clause 1 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 205G -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Fair value of derivative liability, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5624163-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44C -Subparagraph a -Clause 1 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 205G -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Aggregate gain on all derivative instruments recognized in earnings during the period, before tax effects. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5618551-113959 + Details
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- Definition The amount of net gains or losses on interest rate cash flow hedges reclassified during the period to earnings from accumulated other comprehensive income upon the hedged transaction affecting earnings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 45 -Subparagraph b(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5624171-113959 + Details
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