FAIR VALUE DISCLOSURES - Summary of Financial Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Assets
Fair Value, Option, Changes in Fair Value, Gain (Loss)	$ (1,300)	$ (1,300)
Fair Value, Measurements, Nonrecurring | Fair Value Measurements Using Level 1 | Other real estate owned
Assets
Assets, Fair Value Disclosure	0		$ 0
Fair Value, Measurements, Nonrecurring | Fair Value Measurements Using Level 1 | Fair value | Operating lease
Assets
Assets, Fair Value Disclosure	0
Fair Value, Measurements, Nonrecurring | Fair Value Measurements Using Level 1 | Commercial | Fair value
Assets
Assets, Fair Value Disclosure	0		0
Fair Value, Measurements, Nonrecurring | Fair Value Measurements Using Level 1 | Commercial real estate | Fair value
Assets
Assets, Fair Value Disclosure	0		0
Fair Value, Measurements, Nonrecurring | Fair Value Measurements Using Level 2 | Other real estate owned
Assets
Assets, Fair Value Disclosure	0		0
Fair Value, Measurements, Nonrecurring | Fair Value Measurements Using Level 2 | Fair value | Operating lease
Assets
Assets, Fair Value Disclosure	0
Fair Value, Measurements, Nonrecurring | Fair Value Measurements Using Level 2 | Commercial | Fair value
Assets
Assets, Fair Value Disclosure	0		0
Fair Value, Measurements, Nonrecurring | Fair Value Measurements Using Level 2 | Commercial real estate | Fair value
Assets
Assets, Fair Value Disclosure	0		0
Fair Value, Measurements, Nonrecurring | Fair Value Measurements Using Level 3 | Other real estate owned
Assets
Assets, Fair Value Disclosure	0		0
Fair Value, Measurements, Nonrecurring | Fair Value Measurements Using Level 3 | Fair value | Operating lease
Assets
Assets, Fair Value Disclosure	0
Fair Value, Measurements, Nonrecurring | Fair Value Measurements Using Level 3 | Commercial | Fair value
Assets
Assets, Fair Value Disclosure	4,448		4,449
Fair Value, Measurements, Nonrecurring | Fair Value Measurements Using Level 3 | Commercial real estate | Fair value
Assets
Assets, Fair Value Disclosure	$ 3,803		$ 14,618