FAIR VALUE MEASUREMENTS (Summary of fair values for assets and liabilities) (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Mortgage Banking Hedge Derivative [Member]
LIABILITIES:
Financial Liabilities Fair Value Disclosure	$ 0
Level 1 Inputs [Member] | Mortgage Banking Hedge Derivative [Member]
LIABILITIES:
Financial Liabilities Fair Value Disclosure	0
Level 2, Inputs [Member] | Mortgage Banking Hedge Derivative [Member]
LIABILITIES:
Financial Liabilities Fair Value Disclosure	0
Level 3, Inputs [Member] | Mortgage Banking Hedge Derivative [Member]
LIABILITIES:
Financial Liabilities Fair Value Disclosure	0
Fair Value, Measurements, Recurring [Member] | Interest Rate Swap Derivative [Member]
ASSETS:
Assets, Fair Value Disclosure	1,952	$ 574
Fair Value, Measurements, Recurring [Member] | Mortgage Banking Hedge Derivative [Member]
ASSETS:
Assets, Fair Value Disclosure	451	0
LIABILITIES:
Financial Liabilities Fair Value Disclosure		(907)
Fair Value, Measurements, Recurring [Member] | Mortgage Banking IRLC Derivative [Member]
ASSETS:
Assets, Fair Value Disclosure	1,717	4,825
Fair Value, Measurements, Recurring [Member] | Loans held for sale [Member]
ASSETS:
Assets, Fair Value Disclosure	77,036	114,039
Fair Value, Measurements, Recurring [Member] | Mortgage Servicing Rights [Member]
ASSETS:
Assets, Fair Value Disclosure	3,830
Fair Value, Measurements, Recurring [Member] | U.S. Government Treasury [Member]
ASSETS:
Assets, Fair Value Disclosure	164,047	104,519
Fair Value, Measurements, Recurring [Member] | U.S. Government Agency [Member]
ASSETS:
Assets, Fair Value Disclosure	250,472	208,531
Fair Value, Measurements, Recurring [Member] | States and Political Subdivisions [Member]
ASSETS:
Assets, Fair Value Disclosure	43,546	3,632
Fair Value, Measurements, Recurring [Member] | Mortgage-Backed Securities [Member]
ASSETS:
Assets, Fair Value Disclosure	97,207	515
Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member]
ASSETS:
Assets, Fair Value Disclosure	83,777
Fair Value, Measurements, Recurring [Member] | Equity Securities [Member]
ASSETS:
Assets, Fair Value Disclosure	6,795	7,673
Fair Value, Measurements, Recurring [Member] | Level 1 Inputs [Member] | Interest Rate Swap Derivative [Member]
ASSETS:
Assets, Fair Value Disclosure	0	0
Fair Value, Measurements, Recurring [Member] | Level 1 Inputs [Member] | Mortgage Banking Hedge Derivative [Member]
ASSETS:
Assets, Fair Value Disclosure	0	0
LIABILITIES:
Financial Liabilities Fair Value Disclosure		0
Fair Value, Measurements, Recurring [Member] | Level 1 Inputs [Member] | Mortgage Banking IRLC Derivative [Member]
ASSETS:
Assets, Fair Value Disclosure	0	0
Fair Value, Measurements, Recurring [Member] | Level 1 Inputs [Member] | Loans held for sale [Member]
ASSETS:
Assets, Fair Value Disclosure	0	0
Fair Value, Measurements, Recurring [Member] | Level 1 Inputs [Member] | Mortgage Servicing Rights [Member]
ASSETS:
Assets, Fair Value Disclosure	0
Fair Value, Measurements, Recurring [Member] | Level 1 Inputs [Member] | U.S. Government Treasury [Member]
ASSETS:
Assets, Fair Value Disclosure	164,047	104,519
Fair Value, Measurements, Recurring [Member] | Level 1 Inputs [Member] | U.S. Government Agency [Member]
ASSETS:
Assets, Fair Value Disclosure	0	0
Fair Value, Measurements, Recurring [Member] | Level 1 Inputs [Member] | States and Political Subdivisions [Member]
ASSETS:
Assets, Fair Value Disclosure	0	0
Fair Value, Measurements, Recurring [Member] | Level 1 Inputs [Member] | Mortgage-Backed Securities [Member]
ASSETS:
Assets, Fair Value Disclosure	0	0
Fair Value, Measurements, Recurring [Member] | Level 1 Inputs [Member] | Corporate Debt Securities [Member]
ASSETS:
Assets, Fair Value Disclosure	0
Fair Value, Measurements, Recurring [Member] | Level 1 Inputs [Member] | Equity Securities [Member]
ASSETS:
Assets, Fair Value Disclosure	0	0
Fair Value, Measurements, Recurring [Member] | Level 2, Inputs [Member] | Interest Rate Swap Derivative [Member]
ASSETS:
Assets, Fair Value Disclosure	1,952	574
Fair Value, Measurements, Recurring [Member] | Level 2, Inputs [Member] | Mortgage Banking Hedge Derivative [Member]
ASSETS:
Assets, Fair Value Disclosure	451	0
LIABILITIES:
Financial Liabilities Fair Value Disclosure		(907)
Fair Value, Measurements, Recurring [Member] | Level 2, Inputs [Member] | Mortgage Banking IRLC Derivative [Member]
ASSETS:
Assets, Fair Value Disclosure	0	0
Fair Value, Measurements, Recurring [Member] | Level 2, Inputs [Member] | Loans held for sale [Member]
ASSETS:
Assets, Fair Value Disclosure	77,036	114,039
Fair Value, Measurements, Recurring [Member] | Level 2, Inputs [Member] | Mortgage Servicing Rights [Member]
ASSETS:
Assets, Fair Value Disclosure	0
Fair Value, Measurements, Recurring [Member] | Level 2, Inputs [Member] | U.S. Government Treasury [Member]
ASSETS:
Assets, Fair Value Disclosure	0	0
Fair Value, Measurements, Recurring [Member] | Level 2, Inputs [Member] | U.S. Government Agency [Member]
ASSETS:
Assets, Fair Value Disclosure	250,472	208,531
Fair Value, Measurements, Recurring [Member] | Level 2, Inputs [Member] | States and Political Subdivisions [Member]
ASSETS:
Assets, Fair Value Disclosure	43,546	3,632
Fair Value, Measurements, Recurring [Member] | Level 2, Inputs [Member] | Mortgage-Backed Securities [Member]
ASSETS:
Assets, Fair Value Disclosure	97,207	515
Fair Value, Measurements, Recurring [Member] | Level 2, Inputs [Member] | Corporate Debt Securities [Member]
ASSETS:
Assets, Fair Value Disclosure	83,777
Fair Value, Measurements, Recurring [Member] | Level 2, Inputs [Member] | Equity Securities [Member]
ASSETS:
Assets, Fair Value Disclosure	6,795	7,673
Fair Value, Measurements, Recurring [Member] | Level 3, Inputs [Member] | Interest Rate Swap Derivative [Member]
ASSETS:
Assets, Fair Value Disclosure	0	0
Fair Value, Measurements, Recurring [Member] | Level 3, Inputs [Member] | Mortgage Banking Hedge Derivative [Member]
ASSETS:
Assets, Fair Value Disclosure	0	0
LIABILITIES:
Financial Liabilities Fair Value Disclosure		0
Fair Value, Measurements, Recurring [Member] | Level 3, Inputs [Member] | Mortgage Banking IRLC Derivative [Member]
ASSETS:
Assets, Fair Value Disclosure	1,717	4,825
Fair Value, Measurements, Recurring [Member] | Level 3, Inputs [Member] | Loans held for sale [Member]
ASSETS:
Assets, Fair Value Disclosure	0	0
Fair Value, Measurements, Recurring [Member] | Level 3, Inputs [Member] | Mortgage Servicing Rights [Member]
ASSETS:
Assets, Fair Value Disclosure	3,830
Fair Value, Measurements, Recurring [Member] | Level 3, Inputs [Member] | U.S. Government Treasury [Member]
ASSETS:
Assets, Fair Value Disclosure	0	0
Fair Value, Measurements, Recurring [Member] | Level 3, Inputs [Member] | U.S. Government Agency [Member]
ASSETS:
Assets, Fair Value Disclosure	0	0
Fair Value, Measurements, Recurring [Member] | Level 3, Inputs [Member] | States and Political Subdivisions [Member]
ASSETS:
Assets, Fair Value Disclosure	0	0
Fair Value, Measurements, Recurring [Member] | Level 3, Inputs [Member] | Mortgage-Backed Securities [Member]
ASSETS:
Assets, Fair Value Disclosure	0	0
Fair Value, Measurements, Recurring [Member] | Level 3, Inputs [Member] | Corporate Debt Securities [Member]
ASSETS:
Assets, Fair Value Disclosure	0
Fair Value, Measurements, Recurring [Member] | Level 3, Inputs [Member] | Equity Securities [Member]
ASSETS:
Assets, Fair Value Disclosure	$ 0	$ 0