Loans Receivable and Participations Sold (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
Jun. 30, 2012
Loans Receivable And Participations Sold Narrative Details
Participations sold loan	$ 1,600
Participations sold loan, yield	Libor + 5%
Participations sold loan, maturity	Nov. 06, 2013

The interest rate per annum of loan participations sold.

No definition available.

Name:	CT_ParticipationsSoldLoanYield1
Namespace Prefix:	CT_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration