Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Cash Flows from Operating Activities
Net income	$ 5,917	$ 5,963
Adjustments to reconcile net income to net cash provided by operating activities:
Amortization and accretion of premiums and discounts on investments, net	563	244
Net realized loss on sales and calls of securities	29	69
Net realized gain on sale of other real estate owned	(498)
Provision for loan losses	7,138	2,460
Loans originated for sale	(94,995)	(48,204)
Proceeds from sale of loans	98,723	49,198
Net gain on sale of loans	(3,762)	(1,171)
Amortization of intangible assets	42	43
Depreciation and amortization	1,379	1,291
Gain on disposal of premises and equipment	(13)
Deferred income tax benefit	(1,531)	(94)
Increase in cash surrender value of insurance	(380)	(398)
Increase in accrued interest receivable	(916)	(380)
Expense of earned ESOP shares	170	243
Share-based compensation expense	217
(Increase) decrease in other assets	(3,616)	1,133
Increase in accrued expenses and other liabilities	6,378	1,714
Net cash provided by operating activities	14,845	12,111
Cash Flows from Investing Activities
Proceeds from sales and calls of securities	6,996	11,938
Proceeds from maturities and principal repayments of securities	45,031	18,322
Purchases of securities	(39,215)	(41,078)
Net sales (purchases) of FHLB Stock	648	(1,552)
Net increase in loans	(89,304)	(117,353)
Purchases of bank owned life insurance	(40)	(40)
Purchases of bank premises and equipment	(1,867)	(2,589)
Net increase of other real estate owned	(225)	(14)
Proceeds from sale of other real estate owned	3,859	282
Net cash used in investing activities	(74,117)	(132,084)
Cash Flows from Financing Activities
Net increase in demand deposits, NOW, money market and savings accounts	174,027	25,972
Net (decrease) increase in time deposits	(18,006)	62,953
Decrease in mortgagors' escrow accounts	388	381
Net (decrease) increase in short-term debt	(4,302)	13,209
Net (decrease) increase in long-term debt	(11,328)	21,497
Net decrease in other borrowings		(5,000)
Proceeds of stock subscriptions		9,814
Return of unfulfilled stock subscriptions		(41,082)
Offering expenses		(1,898)
Loan to ESOP		(4,364)
Return of capital to Rhinebeck Bancorp, MHC		(121)
Net cash provided by financing activities	140,779	81,361
Net increase (decrease) in cash and due from banks	81,507	(38,612)
Cash and Due from Banks
Beginning balance	11,978	50,590
Ending balance	93,485	11,978
Supplemental Disclosures of Cash Flow Information
Cash paid for interest	8,310	8,626
Cash paid for income taxes	3,402	$ 1,690
Noncash Investing and Financing Activities
Transfer of loans to other real estate owned	$ 1,858