Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 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)	Mar 31, 2023	Dec 31, 2022
Financial instruments whose contract amounts represent credit risk (unfunded commitments):
Commitments to extend credit:	$1,409,788	$1,308,873
Standby letters of credit	9,696	9,028
Financial instruments whose notional amounts exceed the amounts of credit risk:
Mortgage loan commitments:
Interest rate lock commitments	26,489	12,201
Forward sale commitments	38,810	23,150
Loan related derivative contracts:
Interest rate contracts with customers	933,832	935,099
Mirror interest rate contracts with counterparties	933,832	935,099
Risk participation-in agreements	221,634	221,247
Interest rate risk management contracts:
Interest rate swaps	20,000	320,000

Allowance for Credit Losses on Unfunded Commitments Rollforward

The activity in the ACL on unfunded commitments for the three months ended March 31, 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	132	(105)	27	(25)	—	(2)	(2)	—
Ending Balance	$1,368	$883	$2,251	$25	$—	$14	$14	$2,290

The activity in the ACL on unfunded commitments for the three months ended March 31, 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	68	21	89	10	—	1	1	100
Ending Balance	$1,335	$837	$2,172	$72	$—	$17	$17	$2,261