Consolidated Statements of Cash flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities:
Net income (loss)	$ 893	$ (44)
Adjustments to reconcile net loss to net cash from operating activities:
Net amortization of investment securities	180	198
Depreciation	494	512
Provision for loan losses	500	0
Net loss (gain) on sale of premises and equipment	33	(96)
Change in fair value of marketable equity securities	(315)	0
Net gain on sale of available for sale securities	(1,022)	0
Stock compensation expense	99	0
Impairment of mortgage servicing rights	575	0
Provision for deferred income tax	1,814	216
Originations of mortgage loans held for sale	(158,442)	(65,629)
Proceeds from sales of mortgage loans held for sale	156,730	62,828
Net gain on sale of mortgage loans held for sale	(2,665)	(423)
Gain on death benefit	0	(158)
ESOP compensation	49	51
Net change in cash value of life insurance	(299)	(199)
Net gain on sale of foreclosed assets	0	(103)
Changes in operating assets and liabilities:
Mortgage servicing rights	(18)	(98)
Accrued interest receivable and other assets	(609)	698
Accrued interest payable and other liabilities	(651)	(487)
Net cash used in operating activities	(2,654)	(2,734)
Cash Flows From Investing Activities
Proceeds from sales of available for sale securities	19,283	0
Maturities, prepayments, and calls of available for sale securities	51,697	6,885
Purchases of available for sale securities	(50,517)	(6,743)
Net (increase) decrease in loans	(18,646)	44,884
Net proceeds from sales of premises	0	1,627
Net capital expenditures for premises and equipment	(226)	(1,408)
Proceeds from life insurance policies	0	772
Proceeds from sale of foreclosed assets	0	237
Net (increase) decrease in Federal Home Loan Bank stock	(2,119)	348
Net cash (used in) provided by investing activities	(528)	46,602
Cash Flows From Financing Activities
Net increase (decrease) in deposits	10,389	(48,162)
Net increase in advance payments by borrowers for taxes and insurance	9,747	10,830
Proceeds from stock offering	0	20,029
Purchase of ESOP shares	0	(1,755)
Proceeds from issuance of Federal Home Loan Bank advances	52,000	0
Principal payments on Federal Home Loan Bank advances	(739)	(22,377)
Purchases of treasury stock	(1,024)	0
Net cash provided by (used in) financing activities	70,373	(41,435)
Net increase in cash and cash equivalents	67,191	2,433
Cash and cash equivalents at beginning of period	11,707	7,923
Cash and cash equivalents at end of period	78,898	10,356
Supplemental cash flow information:
Cash paid during the year for interest	2,639	3,853
Noncash activities:
Loans transferred to loans held for sale	124	134
1895 Bancorp of Wisconsin, Inc. common stock held by PyraMax Bank reclassified to treasury stock	175	0
Increase in net unsettled security purchases	$ 5,122	$ 0