Significant Accounting Policies (Originated Loans) (Details)	12 Months Ended
	Dec. 31, 2012
Accounting Policies [Abstract]
Number of minimum days when principal or interest is past due is placed in nonaccrual category	90 days
Number of minimum days for a real estate residential loan when principal or interest is past due is placed in nonaccrual category	120 days
Time period in which payments receive consistently and loans are returned to accrual status	6 months