GOODWILL, OTHER INTANGIBLE ASSETS AND MORTGAGE SERVICING RIGHTS (Mortgage Servicing Rights) (Details) - USD ($) $ in Thousands		3 Months Ended				6 Months Ended
		Jun. 30, 2022		Jun. 30, 2021		Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Servicing Asset at Amortized Value, Balance [Roll Forward]
Additions—through purchase		$ 83		$ 41		$ 145	$ 68
Servicing Contracts [Member]
Morgage Servicing Rights at Amortized Value [Line Items]
Loans Serviced For Others		2,830,000				2,830,000		$ 2,770,000
Custodial Accounts		18,500				18,500		$ 3,200
Servicing Asset at Amortized Value, Balance [Roll Forward]
Balance, net of valuation allowance, beginning of the period		18,008		15,407		17,206	15,223
Additions—amounts capitalized		804		1,787		2,757	3,797
Amortization		(1,115)	[1]	(1,623)	[1]	(2,346)	(3,476)
Servicing Asset at Fair Value, Other Changes in Fair Value		147		0		129	0
Balance, net of valuation allowance, end of the period	[2]	17,633		$ 15,612		17,633	$ 15,612
Valuation allowance, end of period		$ 0				$ 0

[1] Amortization of mortgage servicing rights is recorded as a reduction of loan servicing income within mortgage banking operations and any unamortized balance is fully amortized if the loan repays in full.

[2] There was no valuation allowance on mortgage servicing rights as of both June 30, 2022 and 2021.