Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities:
Net income (loss)	$ (235,000)	$ 4,112,000
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Provision (credit) for loan losses	71,000	(213,000)
Loans originated for sale	(109,270,000)	(487,808,000)
Net gain on sales of mortgage loans	(1,264,000)	(10,993,000)
Proceeds from sales of mortgage loans	131,556,000	515,419,000
Net amortization of securities	58,000	95,000
Net change in deferred loan costs and fees, and purchase premiums	(75,000)	339,000
Depreciation and amortization	181,000	182,000
Stock-based compensation	284,000	283,000
ESOP expense	112,000	94,000
Increase in cash surrender value of life insurance	(40,000)	(40,000)
Amortization of mortgage servicing rights	749,000	840,000
Increase (decrease) in valuation allowance of mortgage servicing rights	(135,000)	(421,000)
Other, net	(3,215,000)	6,508,000
Net cash provided by operating activities	18,777,000	28,397,000
Securities available for sale:
Purchases	(1,796,000)	(3,913,000)
Principal payments on mortgage-backed securities	2,205,000	4,119,000
Loan originations, net of principal repayments	(34,054,000)	(2,900,000)
Loan purchases	(912,000)
Redemptions of Federal Home Loan Bank of Boston stock	206,000
Purchases of premises and equipment	(216,000)	(110,000)
Net cash used in investing activities	(34,567,000)	(2,804,000)
Cash flows from financing activities:
Net increase (decrease) in non-interest bearing deposits	(2,873,000)	21,892,000
Net increase (decrease) in interest bearing deposits	(10,595,000)	10,059,000
Net decrease in Federal Reserve Bank borrowings		(11,431,000)
Repayments of long-term Federal Home Loan Bank of Boston advances	(5,000,000)	(1,871,000)
Net increase (decrease) in mortgagors' escrow accounts	645,000	(414,000)
Repurchases of common stock	(1,327,000)	(2,652,000)
Proceeds from exercise of stock options	1,810,000
Common stock dividends paid	(11,247,000)
Net cash provided by (used in) financing activities	(28,587,000)	15,583,000
Net change in cash and cash equivalents	(44,377,000)	41,176,000
Cash and cash equivalents at beginning of period	115,449,000	13,774,000
Cash and cash equivalents at end of period	71,072,000	54,950,000
Supplemental cash flow information:
Interest paid on deposits and borrowed funds	512,000	794,000
Income taxes paid	$ 555,000	655,000
Non-cash item:
Transfer of held for sale loans to portfolio		5,565,000
Initial recognition of operating lease at commencement		$ 1,310,000