Financing Receivables - Allowance for credit losses (Details 2) (Parentheticals) (Loans Receivable, USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Loans Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans acquired First Franklin	$ 98,158	$ 103,497

Represents the amount for loans receivables acquired from acquiree.

No definition available.

Name:	chev_LoansReceivablesAcquiredFromAcquiree
Namespace Prefix:	chev_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant