Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Additional Information (Detail)

v2.4.1.9
Fair Value Measurements - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Apr. 28, 2014
Mar. 31, 2014
Fair Value Disclosures [Abstract]      
Contingent liabilities $ 0us-gaap_BusinessCombinationContingentConsiderationLiability $ 60us-gaap_BusinessCombinationContingentConsiderationLiability $ 238us-gaap_BusinessCombinationContingentConsiderationLiability