Significant Accounting Policies (Narrative) (Details)	3 Months Ended
Mar. 31, 2012 D
Minimum [Member]
Significant Accounting Policies [Line Items]
Typical loan term (in days)	30
Typical additional grace period (in days)	10
Maximum [Member]
Significant Accounting Policies [Line Items]
Typical loan term (in days)	90
Typical additional grace period (in days)	60
Creazione, S.A. de C.V. [Member]
Significant Accounting Policies [Line Items]
Percentage of stock outstanding	80.00%

Percentage of voting equity interests acquired in the business combination.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 68

-Subparagraph c

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6909870&loc=d3e1392-128463

Name:	us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant