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Financing Receivables - Additional Information (Details) (USD $)
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3 Months Ended | ||
|---|---|---|---|
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Mar. 31, 2015
agent_receivable
MortgageLoan
|
Dec. 31, 2014
MortgageLoan
|
Dec. 31, 2013
|
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| Agent receivables, net | |||
| Financing Receivable, Recorded Investment [Line Items] | |||
| Financing Receivable, Gross | $ 3,400,000 | $ 3,700,000 | |
| Allowance | 1,719,000 | 2,003,000 | 2,245,000 |
| Agent specific loans | |||
| Financing Receivable, Recorded Investment [Line Items] | |||
| Financing Receivable, Gross | 1,000,000 | 1,000,000 | |
| Allowance | 300,000 | 300,000 | |
| Other Agent Receivables | |||
| Financing Receivable, Recorded Investment [Line Items] | |||
| Financing Receivable, Gross | 2,400,000 | 2,700,000 | |
| Allowance | 1,400,000 | 1,700,000 | |
| Mortgage loans, net | |||
| Financing Receivable, Recorded Investment [Line Items] | |||
| Allowance | $ 1,923,000 | $ 1,914,000 | $ 3,251,000 |
| Number of Types of Agent Receivables | 2 | ||
| Number Of Financing Receivables Past Due | 3 | 0 | |
| Number of Financing Receivables Thirty Or More Days Past Due Subsequent Payment Received | 3 |