Investment Securities (Tables)
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12 Months Ended |
Dec. 31, 2018 |
Investments, Debt and Equity Securities [Abstract] |
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Amortized Cost and Estimated Fair Value of Securities Available-for-Sale |
The amortized cost and estimated fair value of securities available-for-sale and the corresponding amounts of gross unrealized gains and losses recognized in accumulated other comprehensive income at December 31, 2018 and 2017 were as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Securities available-for-sale | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Mortgage-backed securities | | | | | | | | | | | | | | | | | State, County, Municipals | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Securities available-for-sale | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Mortgage-backed securities | | | | | | | | | | | | | | | | | State, County, Municipals | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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Summary of Unrealized Loss Information for Available-for-sale Securities |
A summary of unrealized loss information for AFS securities, categorized by security type follows (in thousands): | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Description of Securities | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Mortgage backed securities | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Description of Securities | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Mortgage backed securities | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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Amortized Cost and Estimated Fair Value of Securities by Contractual Maturity |
The amortized cost and estimated fair value of securities at December 31, 2018, by contractual maturity, are shown below. Expected maturities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Due after one year through five years | | | | | | | | | Due after five years through ten years | | | | | | | | | | | | | | | | | | Residential mortgage backed securities | | | | | | | | | Commercial mortgage backed securities | | | | | | | | | | | | | | | | | |
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Total Gross Realized Gains and Gross Realized Losses from Sale of Investment Securities |
Total gross realized gains and gross realized losses from the sale of investment securities for each of the years ended December 31 were:
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