SECURITIES (Details 1) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Held to maturity:
Amortized Cost	$ 169,717	$ 180,866
Gross Unrealized Gains	578	1,293
Gross Unrealized Losses	(4,689)	(2,274)
Estimated Fair Value	165,606	179,885
State and municipal obligations
Held to maturity:
Amortized Cost	57,350	60,762
Gross Unrealized Gains	497	972
Gross Unrealized Losses	(481)	(64)
Estimated Fair Value	57,366	61,670
U.S. GSE residential mortgage-backed securities
Held to maturity:
Amortized Cost	10,441	11,424
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(451)	(261)
Estimated Fair Value	9,990	11,163
U.S. GSE residential collateralized mortgage obligations
Held to maturity:
Amortized Cost	51,026	54,250
Gross Unrealized Gains	81	244
Gross Unrealized Losses	(1,318)	(666)
Estimated Fair Value	49,789	53,828
U.S. GSE commercial mortgage-backed securities
Held to maturity:
Amortized Cost	20,626	22,953
Gross Unrealized Gains	0	77
Gross Unrealized Losses	(897)	(438)
Estimated Fair Value	19,729	22,592
U.S. GSE commercial collateralized mortgage obligations
Held to maturity:
Amortized Cost	30,274	31,477
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(1,542)	(845)
Estimated Fair Value	$ 28,732	$ 30,632

Amount of investment in debt security measured at amortized cost (held-to-maturity).

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Amount of accumulated unrecognized gain on investment in debt security measured at amortized cost (held-to-maturity).

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Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity).

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