SCHEDULE IV MORTGAGE LOANS ON REAL ESTATE (Details 2) (First-lien mortgage loans)	12 Months Ended
	Dec. 31, 2012 loan
Mortgage loans on real estate
Number of Loans	20
Original loan amounts between $500 - $2,000
Mortgage loans on real estate
Number of Loans	13
Original loan amounts between $2,001 - $3,000
Mortgage loans on real estate
Number of Loans	2
Original loan amounts between $3,001 - $4,000
Mortgage loans on real estate
Number of Loans	1
Original loan amounts between $4,001 - $5,000
Mortgage loans on real estate
Number of Loans	1
Original loan amounts between $5,001 - $6,000
Mortgage loans on real estate
Number of Loans	1
Original loan amounts between $6,001 - $7,000
Mortgage loans on real estate
Number of Loans	2
Original loan amounts between $7,001 - $10,000
Mortgage loans on real estate
Number of Loans	0