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Mortgage Loans on Real Estate (Narrative) (Details) (USD $) | 12 Months Ended
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Dec. 31, 2013 loans Quarters portfolio_segment | Dec. 31, 2012 loans
Mortgage Loans on Real Estate [Abstract] |  |
Mortgage loans on real estate | $ 2,581,082,000 | $ 2,623,940,000
Commitments outstanding | 79,600,000 |
Number of portfolio segments that make up financing receivables | 1 |
Number of days past due, delinquent status | 60 days |
Number of quarters of data utilized to calculate loss rates in determining the general allowance for loan losses | 4 |
Debt service coverage ratio (less than amount) | 100.00% |
Number of loans satisfied by foreclosure | 5 | 13
Number of days past due, non-accrual status | 90 days |
Outstanding principal of non-accrual loans | $ 8,200,000 | $ 34,700,000
Impaired mortgage loans, workout terms, interest only payments, six month terms | 6 months |
Impaired mortgage loans, workout terms, interest only payments, twelve month terms | 12 months |
Impaired mortgage loans, workout terms, cash flow sweep, number of months | 12 months |

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- Definition The number of quarters of data utilized to calculate loss rates in determining the general allowance for loan losses. + References No definition available. + Details
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- Definition The amount of net operating income of a mortgaged property divided by the contractual principal and interest payment due for the corresponding period. + References No definition available. + Details
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- Definition Number of days past due for loans to be considered delinquent. + References No definition available. + Details
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- Definition The number of portfolio segments which make up financing receivables. + References No definition available. + Details
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- Definition Circumstances in which borrowers pay a protion of their loan payment into an escrow account that can be used for capital and tenant improvements of a period not more than 12 months. + References No definition available. + Details
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- Definition Loan workout terms in which a borrower makes interest only payments on the commerical mortgage loan. + References No definition available. + Details
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- Definition Loan workout terms in which a borrower makes interest only payments on the commerical mortgage loan. + References No definition available. + Details
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- Definition Represents the number of loans that were satisfied by taking ownership of the underlying collateral during the reporting period. + References No definition available. + Details
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- Definition Number of days past due for loans to be placed on non-accrual status. + References No definition available. + Details
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- Definition Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5111-111524 + Details
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- Definition The undisbursed portion of the commercial loan receivable balance (loans in process) which is deducted separately from total loans. + References No definition available. + Details
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- Details
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- Definition The balance represents the amount of loans that are secured by real estate mortgages, offset by the reserve to cover probable credit losses on the loan portfolio. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(c)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Subparagraph c -Article 7 + Details
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