Investment Securities (Details 4) (Available for sale investments, USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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Available for sale investments
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Reconciliation of credit-related impairment charges on investments recognized in earnings | |||
Balance at the beginning | $ 10,432 | $ 9,393 | $ 8,416 |
Impairment charges recognized during period | 1,374 | 1,039 | 977 |
Balance at the end | $ 11,806 | $ 10,432 | $ 9,393 |