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Securities (Held-to-Maturity Securities) (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Schedule of Held-to-maturity Securities
Amortized cost	$ 40,946	$ 37,778
Gross unrecognized holding gains	50	177
Gross unrecognized holding losses	(656)	(259)
Estimated Fair Value	40,340	37,696
U.S. government agency obligations - government-sponsored enterprises
Schedule of Held-to-maturity Securities
Amortized cost	1,499	1,499
Gross unrecognized holding gains	0	0
Gross unrecognized holding losses	(5)	(9)
Estimated Fair Value	1,494	1,490
Municipal obligations
Schedule of Held-to-maturity Securities
Amortized cost	21,406	21,680
Gross unrecognized holding gains	50	176
Gross unrecognized holding losses	(117)	(34)
Estimated Fair Value	21,339	21,822
Collateralized mortgage obligations - government issued
Schedule of Held-to-maturity Securities
Amortized cost	8,173	9,072
Gross unrecognized holding gains	0	1
Gross unrecognized holding losses	(277)	(130)
Estimated Fair Value	7,896	8,943
Collateralized mortgage obligations - government-sponsored enterprises
Schedule of Held-to-maturity Securities
Amortized cost	9,868	5,527
Gross unrecognized holding gains	0	0
Gross unrecognized holding losses	(257)	(86)
Estimated Fair Value	$ 9,611	$ 5,441

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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
-Name Accounting Standards Codification
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