Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2023

Commitments and Contingencies Disclosure [Abstract]

Financial Instruments with Off Balance Sheet Risk

The following table presents the contractual and notional amounts of financial instruments with off-balance sheet risk:

(Dollars in thousands)	September 30, 2023	December 31, 2022
Financial instruments whose contract amounts represent credit risk (unfunded commitments):
Commitments to extend credit	$1,242,728	$1,308,873
Standby letters of credit	8,955	9,028
Financial instruments whose notional amounts exceed the amounts of credit risk:
Mortgage loan commitments:
Interest rate lock commitments	30,722	12,201
Forward sale commitments	45,433	23,150
Loan related derivative contracts:
Interest rate contracts with customers	962,174	935,099
Mirror interest rate contracts with counterparties	962,174	935,099
Risk participation-in agreements	224,374	221,247
Interest rate risk management contracts:
Interest rate swaps	140,000	320,000

Allowance for Credit Losses on Unfunded Commitments Rollforward

The activity in the ACL on unfunded commitments for the three months ended September 30, 2023 is presented below:

(Dollars in thousands)	Commercial				Consumer
	CRE	C&I	Total Commercial	Residential Real Estate	Home Equity	Other	Total Consumer	Total
Beginning Balance	$1,483	$877	$2,360	$15	$—	$15	$15	$2,390
Provision	(387)	(9)	(396)	(1)	—	(3)	(3)	(400)
Ending Balance	$1,096	$868	$1,964	$14	$—	$12	$12	$1,990

The activity in the ACL on unfunded commitments for the nine months ended September 30, 2023 is presented below:

(Dollars in thousands)	Commercial				Consumer
	CRE	C&I	Total Commercial	Residential Real Estate	Home Equity	Other	Total Consumer	Total
Beginning Balance	$1,236	$988	$2,224	$50	$—	$16	$16	$2,290
Provision	(140)	(120)	(260)	(36)	—	(4)	(4)	(300)
Ending Balance	$1,096	$868	$1,964	$14	$—	$12	$12	$1,990

The activity in the ACL on unfunded commitments for the three months ended September 30, 2022 is presented below:

(Dollars in thousands)	Commercial				Consumer
	CRE	C&I	Total Commercial	Residential Real Estate	Home Equity	Other	Total Consumer	Total
Beginning Balance	$1,279	$834	$2,113	$58	$—	$19	$19	$2,190
Provision	185	25	210	(8)	—	(2)	(2)	200
Ending Balance	$1,464	$859	$2,323	$50	$—	$17	$17	$2,390

The activity in the ACL on unfunded commitments for the nine months ended September 30, 2022 is presented below:

(Dollars in thousands)	Commercial				Consumer
	CRE	C&I	Total Commercial	Residential Real Estate	Home Equity	Other	Total Consumer	Total
Beginning Balance	$1,267	$816	$2,083	$62	$—	$16	$16	$2,161
Provision	197	43	240	(12)	—	1	1	229
Ending Balance	$1,464	$859	$2,323	$50	$—	$17	$17	$2,390