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GOODWILL (Tables)

3 Months Ended

Mar. 31, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Carrying Amount of Goodwill

Changes in the carrying amount of goodwill for the three months ended March 31, 2022 and March 31, 2021 were as follows:

												Three months ended
												March 31,
(Dollars in thousands)																		2022						2021
Balance at beginning of period																		$	1,000,749					$	937,771
Goodwill resulting from business combinations																		(790)						0
Balance at end of period																		$	999,959					$	937,771

Finite-Lived Intangible Assets [Line Items]

Schedule of Finite-Lived Intangible Assets [Table Text Block]

(Dollars in thousands)						March 31, 2022												December 31, 2021
						Gross carrying amount						Accumulated amortization						Gross carrying amount						Accumulated amortization
Amortized intangible assets
Core deposit intangibles						$	45,256					$	(27,710)					$	45,256					$	(26,911)
Customer list						69,563						(9,886)						69,563						(8,362)
Other						14,589						(5,921)						14,589						(5,237)
Total						$	129,408					$	(43,517)					$	129,408					$	(40,510)

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- Definition

Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)
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- Definition

Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267

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-Name Accounting Standards Codification
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