Servicing Rights (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Mortgage Servicing Rights [Line Items]
Servicing rights, net	$ 8,734	$ 13,883
Servicing rights, net	18,880	13,883
Mortgage Servicing Rights
Mortgage Servicing Rights [Line Items]
Servicing rights, net	18,553	13,535
SBA Servicing Rights
Mortgage Servicing Rights [Line Items]
Servicing rights, net	$ 327	$ 348

Aggregate amount of servicing assets that are subsequently measured at fair value and servicing assets that are subsequently measured using the amortization method.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 860

-SubTopic 50

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6469459&loc=d3e122501-111745

Name:	us-gaap_ServicingAsset
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant