Fair Value Measurements - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified |
7 Months Ended | 12 Months Ended | 5 Months Ended | |
---|---|---|---|---|
Dec. 31, 2010
Successor [Member]
|
Dec. 31, 2012
Successor [Member]
|
Dec. 31, 2011
Successor [Member]
|
May 28, 2010
Predecessor [Member]
|
|
Investment Securities [Line Items] | ||||
Unrealized (gains) losses on securities recorded as other income | $ 283 | $ 329 | $ 19 | $ 16 |