Commercial Real Estate Loan Types (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Commercial Mortgages
Apartment/ Multi-family	$ 652.9	$ 656.3
Office	621.4	615.6
Retail	614.5	523.1
Industrial/ Warehouse	312.5	357.7
Other	148.7	133.3
Total Commercial Mortgages	2,350.0	2,286.0
Construction, Acquisition and Development Loans	289.4	450.1
Single Family Investment	135.0	161.4
Other Commercial Real Estate Related	85.4	84.2
Total Commercial Real Estate Loans	$ 2,859.8	$ 2,981.7

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Loans Receivable Commercial Construction Acquisition And Development

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- Definition

Commercial real estate loans classified as commercial mortgages are provided for the acquisition or refinancing of income producing properties

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- Definition

Loans Receivable, Commercial Real Estate, Commercial Mortgage, Apartments And Multi Family

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Loans Receivable, Commercial Real Estate, Commercial Mortgage, Industrial And Warehouse

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Loans Receivable, Commercial Real Estate, Commercial Mortgage, Office

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- Definition

Loans Receivable, Commercial Real Estate, Commercial Mortgage, Other

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Loans Receivable, Commercial Real Estate, Commercial Mortgage, Retail

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- Definition

Loans Receivable Commercial Real Estate Other

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- Definition

Loans receivable - commercial real estate - single family investment

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- Definition

Amount before allowance of commercial loans issued to businesses to acquire, develop, construct, improve, or refinance land or building. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 7

-Subparagraph a

-Article 9

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.7(a))

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 3

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.1(c))

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-Publisher AICPA

-Name Statement of Position (SOP)

-Number 01-6

-Paragraph 13

-Subparagraph e

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 60

-Paragraph 47

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Audit and Accounting Guide (AAG)

-Number AAG-DEP

-Paragraph 51, 52, 53

-IssueDate 2006-05-01

-Chapter 8

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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