Concentrations of Credit Risk (Tables)

12 Months Ended

Dec. 31, 2016

Risks and Uncertainties [Abstract]

Commercial Real Estate Loan Types

The table below provides additional detail regarding commercial real estate loan types.

TABLE 68: COMMERCIAL REAL ESTATE LOANS

	DECEMBER 31,
(In Millions)	2016		2015
Commercial Mortgages
Office	$	866.1	$	830.4
Apartment/ Multi-family	784.8		770.1
Retail	698.1		683.3
Industrial/ Warehouse	359.7		310.5
Other	457.6		442.3
Total Commercial Mortgages	3,166.3		3,036.6
Construction, Acquisition and Development Loans	445.0		392.8
Single Family Investment	179.6		147.4
Other Commercial Real Estate Related	211.6		272.0
Total Commercial Real Estate Loans	$	4,002.5	$	3,848.8