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Securities (Held-to-Maturity Securities) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Schedule of Held-to-maturity Securities
Amortized cost	$ 38,873	$ 38,612
Gross unrecognized holding gains	471	87
Gross unrecognized holding losses	(70)	(179)
Estimated Fair Value	39,274	38,520
U.S. Government agency obligations - government-sponsored enterprises
Schedule of Held-to-maturity Securities
Amortized cost	1,498	1,497
Gross unrecognized holding gains	0	2
Gross unrecognized holding losses	(5)	(5)
Estimated Fair Value	1,493	1,494
Municipal obligations
Schedule of Held-to-maturity Securities
Amortized cost	21,928	21,173
Gross unrecognized holding gains	443	62
Gross unrecognized holding losses	(14)	(78)
Estimated Fair Value	22,357	21,157
Collateralized mortgage obligations - government issued
Schedule of Held-to-maturity Securities
Amortized cost	9,601	9,148
Gross unrecognized holding gains	16	17
Gross unrecognized holding losses	(33)	(38)
Estimated Fair Value	9,584	9,127
Collateralized mortgage obligations - government-sponsored enterprises
Schedule of Held-to-maturity Securities
Amortized cost	5,846	6,794
Gross unrecognized holding gains	12	6
Gross unrecognized holding losses	(18)	(58)
Estimated Fair Value	$ 5,840	$ 6,742

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- Definition

Amount after other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity.

+ References

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-Publisher FASB
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