BUSINESS COMBINATIONS - Fair Value and Unpaid Principal Balance (Details) - Bryn Mawr Bank Corporation Acquisition $ in Thousands	Jan. 01, 2022 USD ($)
Business Acquisition [Line Items]
Book Balance	$ 3,514,735
Fair Value	3,456,748
Commercial \| Commercial and industrial
Business Acquisition [Line Items]
Book Balance	613,197
Fair Value	586,643
Commercial \| Owner-occupied commercial
Business Acquisition [Line Items]
Book Balance	513,267
Fair Value	503,182
Commercial \| Commercial mortgages
Business Acquisition [Line Items]
Book Balance	1,564,234
Fair Value	1,549,515
Commercial \| Construction
Business Acquisition [Line Items]
Book Balance	209,928
Fair Value	208,288
Commercial \| Commercial small business leases
Business Acquisition [Line Items]
Book Balance	125,770
Fair Value	119,119
Residential
Business Acquisition [Line Items]
Book Balance	310,092
Fair Value	315,454
Consumer
Business Acquisition [Line Items]
Book Balance	178,247
Fair Value	$ 174,547

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- Definition

Fair value of acquired receivable from business combination, excluding certain loans and debt securities acquired in transfer.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)(1)
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For receivables acquired in a business combination, excluding certain loans and debt securities acquired in a transfer (as defined), this element represents the gross contractual amounts receivable, by major class of receivable, such as loans, direct finance leases (as defined), and any other class of receivables.

+ References

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-Paragraph 1
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