BUSINESS COMBINATIONS - Narrative (Details) $ / shares in Units, $ in Thousands	Mar. 01, 2019 USD ($) Office $ / shares
Business Acquisition [Line Items]
Share price (USD per share) \| $ / shares	$ 43.28
Beneficial
Business Acquisition [Line Items]
Shares issued per acquire (in shares)	0.3013
Cash paid per acquire (USD per share) \| $ / shares	$ 2.93
Stock consideration	$ 949,968
Cash paid to Beneficial stock and option holders	228,239
Value of consideration	$ 1,178,207
Number of branches acquired \| Office	74
Investment securities	$ 616,703
Securities sold	578,800
Deferred income taxes	19,470
Beneficial \| Core deposits
Business Acquisition [Line Items]
Core deposit intangible	$ 85,053
Useful life	10 years

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Number Of Branches Acquired

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