The Company has goodwill from business combinations, intangible assets from branch acquisitions, identifiable intangible assets assigned to core deposit relationships and customer lists of First Mid Wealth Management Company and First Mid Insurance. The following table presents gross carrying value and accumulated amortization by major intangible asset class as of June 30, 2023 and December 31, 2022 (in thousands):


	June 30, 2023				December 31, 2022
	Gross Carrying Value		Accumulated Amortization		Gross Carrying Value		Accumulated Amortization
Goodwill not subject to amortization (effective 1/1/02)	$	150,123	$	3,760	$	144,172	$	3,760
Intangibles from branch acquisition		3,015		3,015		3,015		3,015
Core deposit intangibles		45,355		30,491		45,355		28,432
Other intangibles		26,552		9,463		20,782		8,551
	$	225,045	$	46,729	$	213,324	$	43,758

During the quarter ended June 30, 2023, goodwill of $6 million was recorded for the acquisition of the stock of Purdum, Gray, Ingledue, Beck, Inc., in connection with its insurance business. First Mid Insurance was assigned all this goodwill. The following provides a reconciliation of the purchase price paid for Purdum, Gray, Ingledue, Beck, Inc. and the amount of goodwill recorded (in thousands):


Unallocated purchase price				$	10,145
Less purchase accounting adjustments:
Insurance Company intangible	$	5,770
Other liabilities		(1,576	)
					4,194
				$	5,951

During the first quarter of 2022, goodwill of $28.6 million was provisionally recorded for the acquisition and merger of Delta Bancshares Company. This goodwill was subsequently adjusted to $28.2 million to reflect proper tax treatment of the Delta assets and liabilities. All this goodwill was assigned to the banking unit of the Company.

The following table provides a reconciliation of the purchase price paid for the acquisition of Delta and the amount of goodwill recorded (in thousands):


Unallocated purchase price				$	29,791
Less purchase accounting adjustments:
Fair value of securities	$	(2,836	)
Fair value of loans, net		(3,399	)
Fair value of premises and equipment		3,508
Fair value of time deposits		(1,759	)
Fair value of FHLB advances		(75	)
Core deposit intangible		5,920
Other assets		(570	)
Other liabilities		444
					1,233
				$	28,558

The Company has mortgage servicing rights acquired in previous acquisitions. The following table summarizes the activity pertaining to mortgage servicing rights included in intangible assets as of June 30, 2023, June 30, 2022 and December 31, 2022 (in thousands):


	June 30, 2023			June 30, 2022			December 31, 2022
Beginning balance	$	331		$	420		$	420
Adjustment to valuation reserve		—			107			108
Mortgage servicing rights amortized		(28	)		(149	)		(200	)
Interest only strip		(4	)		11			3
Ending balance	$	299		$	389		$	331

Total amortization expense for three and six months ended June 30, 2023 and 2022 was as follows (in thousands):


	Three months ended June 30,				Six months ended June 30,
	2023		2022		2023		2022
Core deposit intangibles	$	1,010	$	1,153	$	2,059	$	2,142
Customer list intangibles		456		432		912		864
Mortgage servicing rights		11		48		28		149
	$	1,477	$	1,633	$	2,999	$	3,155

Aggregate amortization expense for the current year and estimated amortization expense for each of the five succeeding years is shown in the table below (in thousands):


Aggregate amortization expense:
For period 01/01/23 - 06/30/23	$	2,999
Estimated amortization expense:
For period 07/01/23 - 12/31/23		6,095
For year ended 12/31/24		5,860
For year ended 12/31/25		5,225
For year ended 12/31/26		4,324
For year ended 12/31/27		3,737

In accordance with the provisions of SFAS No. 142, “Goodwill and Other Intangible Assets,” codified within ASC 350, the Company performed testing of goodwill for impairment as of May 31, 2023 and determined that, as of that date, goodwill was not impaired. Management also concluded that the remaining amounts and amortization periods were appropriate for all intangible assets.