PARENT COMPANY FINANCIAL STATEMENTS - INCOME AND COMPREHENSIVE INCOME (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Income
Securities gains (losses), net									$ 857	$ (65)
Expenses
Interest expense									8,983	6,802
Other expenses									35,308	34,382
Income before income taxes and equity in undistributed income of subsidiary									14,230	14,084
Provision for income taxes									(1,077)	(1,654)
Net income	$ 3,489	$ 3,616	$ 3,237	$ 2,811	$ 2,936	$ 3,278	$ 3,068	$ 3,148	13,153	12,430
Comprehensive income									17,544	9,949
Parent Company
Income
Dividends from subsidiary									8,140	8,000
Securities gains (losses), net										(26)
Total income									8,140	7,974
Expenses
Interest expense									505	518
Other expenses									291	240
Total expenses									796	758
Income before income taxes and equity in undistributed income of subsidiary									7,344	7,216
Provision for income taxes									569	165
Income before equity in undistributed income of subsidiary									7,913	7,381
Equity in undistributed income of subsidiaries									5,240	5,049
Net income									13,153	12,430
Comprehensive income									$ 17,544	$ 9,949