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.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

BUSINESS COMBINATIONS - Narrative (Details) $ / shares in Units, $ in Thousands		3 Months Ended
	Mar. 01, 2019 USD ($) Branch $ / shares	Jun. 30, 2019 Branch	Dec. 31, 2018 Branch
Business Acquisition [Line Items]
Share price (USD per share) \| $ / shares	$ 43.28
Number of offices sold \| Branch			11
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 \| Branch	74
Investment securities	$ 619,853
Securities sold	578,800
Deferred income taxes	18,485
Number of offices sold \| Branch			14
Number of offices sold during acquisition \| Branch		5
Deposit premium percentage		7.37%
Beneficial \| Core deposits
Business Acquisition [Line Items]
Intangible assets	$ 85,053
Useful life	10 years