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Financing Receivables - Schedule of Activity of Allowance for Uncollectible Accounts on Agent Receivables (Details) (Agent receivables, net, USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 12 Months Ended |
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Mar. 31, 2015
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Dec. 31, 2014
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Agent receivables, net
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| Financing Receivable, Allowance for Credit Losses [Roll Forward] | ||
| Beginning of year | $ 2,003 | $ 2,245 |
| Additions | 13 | 306 |
| Deductions | (297) | (548) |
| End of period | $ 1,719 | $ 2,003 |