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SECURITIES AVAILABLE FOR SALE - Proceeds from Sales of AFS Securities and Gross Gains and Gross Losses (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Investments, Debt and Equity Securities [Abstract]
Proceeds from sales of AFS securities	$ 59,464	$ 62,577
Gross gains	519	841
Gross losses	180	$ 25
Collateral Pledged
Debt Securities, Available-for-sale [Line Items]
AFS securities pledged to secure public funds, fair value	$ 157,209		$ 164,233

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- Definition

Amount of realized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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-Section 50
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Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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