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Investment Securities (Detail Textuals) $ in Thousands	Mar. 31, 2018 USD ($) Security	Dec. 31, 2017 USD ($) Security
Investments Debt And Equity Securities [Abstract]
Available for sale securities reported at cost in other assets	$ 9,700	$ 11,000
Available for sale securities, pledged	$ 194,300	$ 181,700
Number of securities consisted in portfolio | Security	341	355
Number of securities in loss position | Security	298	280
Aggregate fair value of securities in loss position	$ 206,930	$ 207,929
Loss position for 12 months or longer	114,021	114,649
Gross unrealized losses	$ 5,400	$ 3,300

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Number of securities in available for sale portfolio.

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Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in equity securities classified as available-for-sale.

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-Publisher FASB
-Name Accounting Standards Codification
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This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities.

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This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for twelve months or longer.

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The carrying amount of securities categorized neither as held-to-maturity nor trading which serve as security for borrowings or other arrangements.

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Number of investment positions in available-for-sale investments in a continuous unrealized loss position for which an other-than-temporary impairment (OTTI) has not been recognized in the income statement.

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Sum of the carrying amounts as of the date of the latest financial statement presented of securities which are owned but transferred to another party to serve as collateral to partially or fully secure a debt obligation, repurchase agreement or other current or potential obligation, and for which the transferee is not permitted to sell or re-pledge them to an unrelated party.

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