SECURITIES - Temporarily Impaired Gross Unrealized Losses And Fair Value Of Available-For-Sale Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Schedule of Available-for-sale Securities [Line Items]
Less Than 12 Months, Fair Value	$ 23,059	$ 77,057
Less Than 12 Months, Gross Unrealized Losses	(194)	(871)
12 Months or More, Fair Value	42,414	50,151
12 Months or More, Gross Unrealized Losses	(733)	(1,277)
Total, Fair Value	65,473	127,208
Total, Gross Unrealized Losses	(927)	(2,148)
U.S. government agencies
Schedule of Available-for-sale Securities [Line Items]
Less Than 12 Months, Fair Value	3,017	18,998
Less Than 12 Months, Gross Unrealized Losses	(10)	(316)
12 Months or More, Fair Value	18,962	2,593
12 Months or More, Gross Unrealized Losses	(335)	(55)
Total, Fair Value	21,979	21,591
Total, Gross Unrealized Losses	(345)	(371)
U.S. government-sponsored enterprises
Schedule of Available-for-sale Securities [Line Items]
Less Than 12 Months, Fair Value	16,737	10,348
Less Than 12 Months, Gross Unrealized Losses	(167)	(80)
12 Months or More, Fair Value	5,021	0
12 Months or More, Gross Unrealized Losses	(60)	0
Total, Fair Value	21,758	10,348
Total, Gross Unrealized Losses	(227)	(80)
State and political subdivisions
Schedule of Available-for-sale Securities [Line Items]
Less Than 12 Months, Fair Value	0	17,164
Less Than 12 Months, Gross Unrealized Losses	0	(204)
12 Months or More, Fair Value	3,692	18,785
12 Months or More, Gross Unrealized Losses	(18)	(336)
Total, Fair Value	3,692	35,949
Total, Gross Unrealized Losses	(18)	(540)
Mortgage-backed securities - U.S. government-sponsored enterprises
Schedule of Available-for-sale Securities [Line Items]
Less Than 12 Months, Fair Value	3,305	30,547
Less Than 12 Months, Gross Unrealized Losses	(17)	(271)
12 Months or More, Fair Value	14,739	28,773
12 Months or More, Gross Unrealized Losses	(320)	(886)
Total, Fair Value	18,044	59,320
Total, Gross Unrealized Losses	$ (337)	$ (1,157)