Commitments and Contingencies (Tables)

12 Months Ended

Dec. 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)
December 31,	2021	2020
Financial instruments whose contract amounts represent credit risk:
Commitments to extend credit:
Commercial loans	$516,344	$453,493
Home equity lines	367,784	319,744
Other loans	122,492	89,078
Standby letters of credit	11,844	11,709
Financial instruments whose notional amounts exceed the amount of credit risk:
Mortgage loan commitments:
Interest rate lock commitments	49,800	167,671
Forward sale commitments	103,626	279,653
Loan related derivative contracts:
Interest rate swaps with customers	1,022,388	991,002
Mirror swaps with counterparties	1,022,388	991,002
Risk participation-in agreements	163,207	92,717
Interest rate risk management contracts:
Interest rate swaps	320,000	60,000

Allowance for Credit Losses on Unfunded Commitment

The activity in the ACL on unfunded commitments for the year ended December 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	360	(586)	(226)	8	—	(3)	(3)	(221)
Ending Balance	$1,267	$816	$2,083	$62	$—	$16	$16	$2,161

The activity in the ACL on unfunded commitments for the year ended December 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	(46)	632	586	14	—	6	6	606
Ending Balance	$907	$1,402	$2,309	$54	$—	$19	$19	$2,382