Financial Instruments with Off-Balance-Sheet Risk (Tables)

12 Months Ended

Dec. 31, 2019

Risks and Uncertainties [Abstract]

Summary of Financial Instruments with Off-Balance-Sheet Risk

Financial instruments with off-balance-sheet risk at December 31 are as follows:

Contract or Notional Amount

	2019		2018
(dollars in thousands)
Financial instruments whose contract amount represents credit risk
Commitments to originate 1–4 family mortgages	$	13,806	$	5,075
Standby and commercial letters of credit		5,779		4,258
Unused lines of credit		625,524		553,045
Unadvanced portions of construction loans		11,062		28,746
Unadvanced portions of other loans		15,801		20,305