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LEASES - Additional Information (Details) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
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Leases [Abstract] |  |
Operating Lease, Right-of-Use Asset | $ 63.9 | $ 58.6
Operating Lease, Liability | us-gaap:OtherLiabilities | us-gaap:OtherLiabilities
Operating Lease, Liability | us-gaap:OtherLiabilities | us-gaap:OtherLiabilities
Accrued interest and other liabilities |  |
Leases [Abstract] |  |
Operating Lease, Liability | us-gaap:OtherLiabilities |
Operating Lease, Liability | us-gaap:OtherLiabilities |

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- Definition Indicates line item in statement of financial position that includes operating lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918631-209977 + Details
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- Definition Amount of lessee's right to use underlying asset under operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977 + Details
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