Financial Instruments with Off-Balance Sheet Risk (Tables)

12 Months Ended

Dec. 31, 2020

Financial Instruments with Off-Balance Sheet Risk [Abstract]

Loan Commitments and Standby Letters of Credit [Table Text Block]

The total amounts of loan commitments and standby letters of credit at December 31 were:

(Dollars in thousands)	2020		2019
Home equity lines of credit	$	117,792	$	112,464
Unadvanced construction loans	141,009		102,491
Other loan commitments	535,250		353,137
Loan commitments	794,051		568,092
Standby letters of credit	$	14,342	$	12,498