|
Fair Values of Assets and Liabilities - Additional Information (Detail) (USD $)
|
Dec. 31, 2013
|
Dec. 31, 2012
|
|---|---|---|
| Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ||
| Fair value transfer assets and liabilities | $ 0 | |
| Liabilities measured at fair value non-recurring basis | 57,000 | 12,000 |
|
Fair Value Measurements Nonrecurring [Member]
|
||
| Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] | ||
| Liabilities measured at fair value non-recurring basis | $ 0 |