PREMISES AND EQUIPMENT, NET (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	$ 74,378		$ 75,328
Less: Accumulated depreciation and amortization	(63,286)		(63,434)
Total	11,092		11,894
Depreciation and amortization	1,184	$ 4,117
Computer hardware and software
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	52,289		52,837
Leasehold improvements
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	14,835		14,792
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	5,560		5,882
Office equipment and other
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	$ 1,694		$ 1,817

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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