SECURITIES AVAILABLE FOR SALE - Amortized Cost and Fair Values of Investment Securities Available for Sale (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Amortized Cost
Total debt securities	$ 419,010
Equity securities	50
Totals	419,060	$ 401,919
Gross Unrealized Gains
Totals	6,429	3,138
Gross Unrealized Losses
Totals	4,034	4,903
Fair Value
Total debt securities	421,346
Equity securities	109
Totals	421,455	400,154
Debt Securities
Amortized Cost
Total debt securities	419,010	401,869
Gross Unrealized Gains
Total debt securities	6,370	3,097
Gross Unrealized Losses
Total debt securities	4,034	4,903
Fair Value
Total debt securities	421,346	400,063
Debt Securities \| U.S. Government Agencies
Amortized Cost
Total debt securities		39,569
Gross Unrealized Gains
Total debt securities		147
Gross Unrealized Losses
Total debt securities		124
Fair Value
Total debt securities		39,592
Debt Securities \| States and political subdivisions
Amortized Cost
Total debt securities	153,951	163,677
Gross Unrealized Gains
Total debt securities	4,788	1,782
Gross Unrealized Losses
Total debt securities	479	1,177
Fair Value
Total debt securities	158,260	164,282
Debt Securities \| GSE residential MBSs
Amortized Cost
Total debt securities	50,699	116,022
Gross Unrealized Gains
Total debt securities	876	928
Gross Unrealized Losses
Total debt securities	23	6
Fair Value
Total debt securities	51,552	116,944
Debt Securities \| GSE residential CMOs
Amortized Cost
Total debt securities	116,411	72,411
Gross Unrealized Gains
Total debt securities	695	240
Gross Unrealized Losses
Total debt securities	3,207	3,268
Fair Value
Total debt securities	113,899	69,383
Debt Securities \| GSE commercial CMOs
Amortized Cost
Total debt securities		5,148
Gross Unrealized Gains
Total debt securities		0
Gross Unrealized Losses
Total debt securities		292
Fair Value
Total debt securities		4,856
Debt Securities \| Private label residential CMOs
Amortized Cost
Total debt securities	2,400	5,042
Gross Unrealized Gains
Total debt securities	10	0
Gross Unrealized Losses
Total debt securities	12	36
Fair Value
Total debt securities	2,398	5,006
Debt Securities \| Private label commercial CMOs
Amortized Cost
Total debt securities	7,820
Gross Unrealized Gains
Total debt securities	0
Gross Unrealized Losses
Total debt securities	149
Fair Value
Total debt securities	7,671
Debt Securities \| Asset-backed
Amortized Cost
Total debt securities	87,729
Gross Unrealized Gains
Total debt securities	1
Gross Unrealized Losses
Total debt securities	164
Fair Value
Total debt securities	87,566
Equity Securities
Amortized Cost
Equity securities	50	50
Gross Unrealized Gains
Equity securities	59	41
Gross Unrealized Losses
Equity securities	0	0
Fair Value
Equity securities	$ 109	$ 91

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

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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