Common Stock and Earnings Per Share - Additional Information (Detail) (Restricted Stock [Member], 2009 Equity Incentive Plan [Member]) In Thousands, unless otherwise specified	3 Months Ended
Jun. 30, 2014	Mar. 31, 2014
Restricted Stock [Member] \| 2009 Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation awards issued shares	49	49

Number of share instruments newly issued under a share-based compensation plan.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration