Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2021

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, 2021	Dec 31, 2020
Financial instruments whose contract amounts represent credit risk (unfunded commitments):
Commitments to extend credit:
Commercial loans	$438,236	$453,493
Home equity lines	331,717	319,744
Other loans	129,540	89,078
Standby letters of credit	11,570	11,709
Financial instruments whose notional amounts exceed the amounts of credit risk:
Mortgage loan commitments:
Interest rate lock commitments	155,800	167,671
Forward sale commitments	290,989	279,653
Loan related derivative contracts:
Interest rate swaps with customers	983,619	991,002
Mirror swaps with counterparties	983,619	991,002
Risk participation-in agreements	107,493	92,717
Interest rate risk management contracts:
Interest rate swaps	60,000	60,000

Allowance for Credit Losses on Unfunded Commitments Rollforward

The activity in the ACL on unfunded commitments for the three months ended March 31, 2021 is presented below:

(Dollars in thousands)	Commercial				Consumer
	CRE	C&I	Total Commercial	Residential Real Estate	Home Equity	Other	Total Consumer	Total
Beginning Balance	$907	$1,402	$2,309	$54	$—	$19	$19	$2,382
Provision	46	(88)	(42)	(8)	—	1	1	(49)
Ending Balance	$953	$1,314	$2,267	$46	$—	$20	$20	$2,333

The activity in the ACL on unfunded commitments for the three months ended March 31, 2020 is presented below:

(Dollars in thousands)	Commercial				Consumer
	CRE	C&I	Total Commercial	Residential Real Estate	Home Equity	Other	Total Consumer	Total
Beginning Balance	$136	$144	$280	$6	$—	$7	$7	$293
Adoption of ASC 326	817	626	1,443	34	—	6	6	1,483
Provision	179	77	256	2	—	5	5	263
Ending Balance	$1,132	$847	$1,979	$42	$—	$18	$18	$2,039