Fair Value Measurements - Additional Information (Detail) (USD $)
|
3 Months Ended | |
---|---|---|
Mar. 31, 2014
|
Mar. 31, 2013
|
|
Debt Instrument Fair Value Disclosure [Abstract] | ||
Loan held for sale selling period | 30 days | |
Transfer of securities between levels of fair value hierarchy | $ 0 | $ 0 |
Amount of non-financial assets (liabilities) | 0 | 0 |
Non-financial assets or liabilities for which no impairment was provided | $ 0 | $ 0 |