|
Fair Value Measurements - Reconciliation and Income Statement Classification of Gains and Losses for All Assets and Liabilities (Detail) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | |
|---|---|---|
|
Dec. 31, 2012
|
Dec. 31, 2011
|
|
|
Municipal Bonds-Tax Exempt [Member]
|
||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Beginning Balance as of January 1,2012 | ||
| Purchase, Issuances, Sales and Settlement | 698 | |
| Realized Gains or Losses In Earnings | ||
| Unrealized Gains or Losses In Other Comprehensive Income | 81 | |
| Ending Balance as of December 31, 2012 | 779 | |
|
Stock Warrants [Member]
|
||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Beginning Balance as of January 1,2012 | 883 | 1,600 |
| Purchase, Issuances, Sales and Settlement | ||
| Realized Gains or Losses In Earnings | 23 | (717) |
| Unrealized Gains or Losses In Other Comprehensive Income | ||
| Ending Balance as of December 31, 2012 | $ 906 | $ 883 |
| X | ||||||||||
|
- Definition
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gains And Losses Reported In Earnings No definition available.
|
| X | ||||||||||
|
- Definition
Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Asset Value No definition available.
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
Amount of gain (loss) recognized in other comprehensive income, arising from assets measured at fair value on a recurring basis using unobservable inputs (level 3). Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Purchases that have taken place during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount of gain (loss) recognized in earnings, arising from liabilities measured at fair value on a recurring basis using unobservable inputs (level 3). Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount of gain (loss) recognized in other comprehensive income, arising from liabilities measured at fair value on a recurring basis using unobservable inputs (level 3). Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Purchases that have taken place during the period in relation to liabilities measured at fair value and categorized within Level 3 of the fair value hierarchy. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
This element represents a liability measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|