Randolph Bancorp (RNDB) 10-Q 5 May 22 2022 Q1 Quarterly report Financial data

Document and Entity Information

Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2022	Apr. 30, 2022
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2022
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q1
Trading Symbol	RNDB
Entity Registrant Name	Randolph Bancorp, Inc.
Entity Central Index Key	0001667161
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Entity Current Reporting Status	Yes
Entity Small Business	true
Entity Emerging Growth Company	false
Security Exchange Name	NASDAQ
Title of 12(b) Security	Common Stock, par value $.01 per share
Entity Incorporation, State or Country Code	MA
Entity Interactive Data Current	Yes
Entity Common Stock, Shares Outstanding		5,181,977
Entity Shell Company	false
Entity File Number	001-37780
Entity Tax Identification Number	81-1844402
Entity Address, Address Line One	2 Batterymarch Park, Suite 301
Entity Address, City or Town	Quincy
Entity Address, State or Province	MA
Entity Address, Postal Zip Code	02169
City Area Code	781
Local Phone Number	963-2100
Document Quarterly Report	true
Document Transition Report	false

Consolidated Balance Sheets

Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Assets
Cash and due from banks	$ 2,546	$ 3,501
Interest-bearing deposits	68,526	111,948
Total cash and cash equivalents	71,072	115,449
Securities available for sale, at fair value	48,836	51,666
Loans held for sale, at fair value	22,698	44,766
Loans, net of allowance for loan losses of $6,357 in 2022 and $6,289 in 2021	579,591	544,621
Federal Home Loan Bank of Boston stock, at cost	2,734	2,940
Accrued interest receivable	1,434	1,500
Mortgage servicing rights, net	15,378	15,616
Premises and equipment, net	7,718	7,684
Bank-owned life insurance	8,824	8,784
Other assets	11,999	10,252
Total assets	770,284	803,278
Deposits:
Non-interest bearing	142,793	145,666
Interest bearing	481,886	492,481
Total deposits	624,679	638,147
Federal Home Loan Bank of Boston advances	45,000	50,000
Mortgagors' escrow accounts	2,773	2,128
Post-employment benefit obligations	2,064	2,222
Other liabilities	7,290	9,878
Total liabilities	681,806	702,375
Commitments and contingencies (Note 13)
Stockholders' Equity:
Preferred stock, no par value; authorized: 1,000,000 shares; issued: none
Common stock, $.01 par value; authorized: 15,000,000 shares; issued and outstanding: 5,180,670 shares at March 31, 2022 and 5,113,825 shares at December 31, 2021	52	50
Additional paid-in capital	44,904	44,078
Retained earnings	49,042	60,524
ESOP-Unearned compensation	(3,521)	(3,568)
Accumulated other comprehensive income, net of tax	(1,999)	(181)
Total stockholders' equity	88,478	100,903
Total liabilities and stockholders' equity	$ 770,284	$ 803,278

Consolidated Balance Sheets (Pa

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Statement Of Financial Position [Abstract]
Loans, allowance for loan losses	$ 6,357	$ 6,289
Preferred stock, par value	$ 0	$ 0
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	15,000,000	15,000,000
Common stock, shares issued	5,180,670	5,113,825
Common stock, shares outstanding	5,180,670	5,113,825

Consolidated Statements of Oper

Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Interest and dividend income:
Loans	$ 5,467	$ 5,508
Securities-taxable	216	240
Securities-tax exempt	4	6
Interest-bearing deposits and certificates of deposit	42	7
Total interest and dividend income	5,729	5,761
Interest expense:
Deposits	315	438
Federal Reserve Bank and Federal Home Loan Bank of Boston advances	147	232
Total interest expense	462	670
Net interest income	5,267	5,091
Provision (credit) for loan losses	71	(213)
Net interest income after provision (credit) for loan losses	5,196	5,304
Non-interest income:
Customer service fees	365	367
Gain on loan origination and sale activities, net	1,264	10,993
Mortgage servicing fees, net	348	779
Increase in cash surrender value of life insurance	40	40
Other	175	244
Total non-interest income	2,192	12,423
Non-interest expenses:
Salaries and employee benefits	5,154	8,437
Occupancy and equipment	365	744
Data processing	345	263
Professional fees	1,025	561
Marketing	157	170
FDIC insurance	58	54
Other	1,602	1,722
Total non-interest expenses	8,706	11,951
Income (loss) before income taxes	(1,318)	5,776
Income tax expense (benefit)	(1,083)	1,664
Net income (loss)	$ (235)	$ 4,112
Earnings (loss) per common share
Basic	$ (0.05)	$ 0.81
Diluted	$ (0.05)	$ 0.78
Weighted average shares outstanding
Basic	4,815,325	5,056,165
Diluted	5,014,538	5,254,907

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021
Net income (loss)		$ (235)	$ 4,112
Securities available for sale:
Unrealized holding gains (losses)		(2,363)	(917)
Related tax effects		542	119
Net-of-tax amount		(1,821)	(798)
Net-of-tax amount		3	4
Total other comprehensive income (loss)		(1,818)	(794)
Comprehensive income (loss)		(2,053)	3,318
Supplemental Retirement Plan [Member]
Securities available for sale:
Actuarial losses	[1]	11	12
Prior service credits	[1]	(8)	(8)
Net change in supplemental retirement plan		$ 3	$ 4
[1]	Amounts are included in other non-interest expenses in the consolidated statements of operations.

Consolidated Statements of Chan

Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Unearned Compensation ESOP [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Beginning balance at Dec. 31, 2020	$ 99,819	$ 54	$ 50,937	$ 51,689	$ (3,756)	$ 895
Beginning balance, shares at Dec. 31, 2020		5,495,514
Net income (loss)	4,112			4,112
Other comprehensive loss	(794)					(794)
Stock repurchased	(2,652)	$ (1)	(2,651)
Stock repurchased, shares		(130,295)
Share redemption for tax withholdings for restricted stock vesting	(3)		(3)
Share redemption for tax withholdings for restricted stock vesting, shares		(173)
Stock-based compensation	283		283
ESOP shares committed to be released	94		47		47
ESOP shares committed to be released, shares		(806)
Ending balance at Mar. 31, 2021	100,859	$ 53	48,613	55,801	(3,709)	101
Ending balance, shares at Mar. 31, 2021		5,364,240
Beginning balance at Dec. 31, 2020	99,819	$ 54	50,937	51,689	(3,756)	895
Beginning balance, shares at Dec. 31, 2020		5,495,514
Ending balance at Dec. 31, 2021	100,903	$ 50	44,078	60,524	(3,568)	(181)
Ending balance, shares at Dec. 31, 2021		5,113,825
Net income (loss)	(235)			(235)
Dividends paid	(11,247)			(11,247)
Other comprehensive loss	(1,818)					(1,818)
Stock repurchased	(1,327)		(1,327)
Stock repurchased, shares		(58,572)
Restricted stock awards forfeited, shares		(704)
Share redemption for tax withholdings for restricted stock vesting	(4)		(4)
Share redemption for tax withholdings for restricted stock vesting, shares		(182)
Stock-based compensation	284		284
ESOP shares committed to be released	112		65		47
Proceeds from the exercise of options, net	$ 1,810	$ 2	1,808
Proceeds from the exercise of options, net, shares	129,437	126,303
Ending balance at Mar. 31, 2022	$ 88,478	$ 52	$ 44,904	$ 49,042	$ (3,521)	$ (1,999)
Ending balance, shares at Mar. 31, 2022		5,180,670

Consolidated Statements of Cash

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

Basis of Financial Statement Pr

Basis of Financial Statement Presentation	3 Months Ended
	Mar. 31, 2022
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Basis of Financial Statement Presentation	1. BASIS OF FINANCIAL STATEMENT PRESENTATION The unaudited consolidated financial statements include the accounts of Randolph Bancorp, Inc. (“Bancorp”) and its wholly-owned subsidiary, Envision Bank (the “Bank”, together with Bancorp, the “Company”). The Bank has subsidiaries involved in owning investment securities and foreclosed real estate properties and a subsidiary which provides loan closing services. All intercompany accounts and transactions have been eliminated in consolidation. These unaudited financial statements have been prepared in accordance with generally accepted accounting principles in the United States of America (“GAAP”) for interim financial reporting and with the instructions to Form 10-Q and Article 10 of Regulation S-X issued by the Securities and Exchange Commission (“SEC”). Accordingly, the accompanying interim financial statements do not include all information required under GAAP for complete financial statements. In the opinion of management, all adjustments considered necessary for a fair presentation of the financial statements, primarily consisting of normal recurring adjustments, have been included. The operating results for the three months ended March 31, 2022 are not necessarily indicative of the results to be expected for the year ending December 31, 2022 or any other interim period. For further information, refer to the consolidated financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2021, as filed with the SEC.

Recent Accounting Pronouncement

Recent Accounting Pronouncements	3 Months Ended
	Mar. 31, 2022
Accounting Changes And Error Corrections [Abstract]
Recent Accounting Pronouncements	2. RECENT ACCOUNTING PRONOUNCEMENTS In February 2016, FASB issued ASU 2016-02, Leases In June 2016, the FASB issued ASU 2016-13, Financial Instruments – Credit Losses

Accumulated Other Comprehensive

Accumulated Other Comprehensive Income (Loss)	3 Months Ended
	Mar. 31, 2022
Equity [Abstract]
Accumulated Other Comprehensive Income (Loss)	3 . ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) Accounting principles generally require that recognized revenue, expenses, gains and losses be included in net income (loss). Although certain changes in assets and liabilities are reported as a separate component of stockholders’ equity, such items, along with net income (loss), are components of comprehensive income (loss). The components of accumulated other comprehensive income (loss), included in total stockholders’ equity, are as follows: March 31, December 31, 2022 2021 (In thousands) Securities available for sale: Net unrealized gain (loss) $ (2,114 ) $ 249 Tax effect 478 (64 ) Net-of-tax amount (1,636 ) 185 Supplemental retirement plan Unrecognized net actuarial loss (635 ) (646 ) Unrecognized net prior service credit 214 222 (421 ) (424 ) Tax effect 58 58 Net-of-tax amount (363 ) (366 ) Accumulated other comprehensive income (loss) $ (1,999 ) $ (181 )

Securities Available for Sale

Securities Available for Sale	3 Months Ended
	Mar. 31, 2022
Investments Debt And Equity Securities [Abstract]
Securities Available for Sale	4 . SECURITIES AVAILABLE FOR SALE The amortized cost and fair value of securities available for sale, including gross unrealized gains and losses, are as follows: Gross Gross Amortized Unrealized Unrealized Fair Cost Gains Losses Value (In thousands) March 31, 2022 Debt securities: U.S. Treasury $ 12,732 $ — $ (687 ) $ 12,045 U.S. Government-sponsored enterprises 1,996 — (59 ) 1,937 Corporate 2,501 — (80 ) 2,421 Municipal 350 1 — 351 Residential mortgage-backed securities: U.S. Government-sponsored enterprises 21,447 60 (1,031 ) 20,476 Commercial mortgage-backed securities: U.S. Government-sponsored enterprises 8,701 — (211 ) 8,490 Collateralized mortgage obligations: U.S. Government-sponsored enterprises 749 — (22 ) 727 U.S. Government-guaranteed 2,474 — (85 ) 2,389 Total securities available for sale $ 50,950 $ 61 $ (2,175 ) $ 48,836 December 31, 2021 Debt securities: U.S. Treasury $ 10,939 $ — $ (168 ) $ 10,771 U.S. Government-sponsored enterprises 1,995 — (17 ) 1,978 Corporate 2,510 33 (7 ) 2,536 Municipal 351 2 — 353 Residential mortgage-backed securities: U.S. Government-sponsored enterprises 23,349 324 (194 ) 23,479 Commercial mortgage-backed securities: U.S. Government-sponsored enterprises 8,733 223 — 8,956 U.S. Government-guaranteed 103 — — 103 Collateralized mortgage obligations: U.S. Government-sponsored enterprises 796 14 — 810 U.S. Government-guaranteed 2,641 39 — 2,680 Total securities available for sale $ 51,417 $ 635 $ (386 ) $ 51,666 There were no sales of securities during the three months ended March 31, 2022 and 2021. The amortized cost and fair value of debt securities by contractual maturity at March 31, 2022 are presented below. Expected maturities will differ from contractual maturities because issuers may have the right to call or prepay obligations with or without call or prepayment penalties. Amortized Fair Cost Value (In thousands) Within 1 year $ 2,511 $ 2,504 After 1 year through 5 years 9,344 8,928 After 5 years through 10 years 5,724 5,322 17,579 16,754 Mortgage-backed securities 33,371 32,082 $ 50,950 $ 48,836 Information pertaining to securities with gross unrealized losses, aggregated by investment category and length of time that individual securities have been in a continuous loss position, follows: Less Over Twelve Months Gross Gross Unrealized Fair Unrealized Fair Losses Value Losses Value March 31, 2022 (In thousands) Debt securities: U.S. Treasury $ (687 ) $ 10,248 $ — $ — U.S. Government-sponsored enterprises (59 ) 1,937 — — Corporate (80 ) 2,420 — — Residential mortgage-backed securities U.S. Government-sponsored enterprises (1,031 ) 16,288 — — Commercial mortgage-backed securities U.S. Government-sponsored enterprises (211 ) 8,490 — — Collateralized mortgage obligations U.S. Government-sponsored enterprises (22 ) 727 — — U.S. Government-guaranteed (85 ) 2,389 — — Total debt securities $ (2,175 ) $ 42,499 $ — $ — December 31, 2021 U.S. Treasury (168 ) 10,771 $ — $ — U.S. Government-sponsored enterprises (17 ) 1,978 — — Corporate (7 ) 723 — — Residential mortgage-backed securities U.S. Government-sponsored enterprises (194 ) 11,477 — — Total debt securities $ (386 ) $ 24,949 $ — $ — At March 31, 2022, 50 debt securities had unrealized losses with aggregate depreciation of 4.87% from the Company’s amortized cost basis. The Company had 17 securities in a loss position at December 31, 2021. The unrealized losses at March 31, 2022 were due to interest rate increases since the date on which they were purchased. The Company currently does not believe it is probable that it will be unable to collect all amounts due according to the contractual terms of these investments. Therefore, it is expected that the securities would not be settled at a price less than the par value of the investment. Because the Company does not intend to sell any debt securities and it is more likely than not that the Company will not be required to sell any debt securities before recovery of its amortized cost basis, it does not consider these investments to be other-than-temporarily impaired at March 31, 2022.

Loans and Allowance for Loan Lo

Loans and Allowance for Loan Losses	3 Months Ended
	Mar. 31, 2022
Receivables [Abstract]
Loans and Allowance for Loan Losses	5 . LOANS AND ALLOWANCE FOR LOAN LOSSES A summary of the loan portfolio is as follows: March 31, 2022 December 31, 2021 (In thousands) Real estate loans: Residential: One- to four-family $ 271,755 $ 236,364 Home equity loans and lines of credit 58,501 57,295 Commercial 199,255 197,423 Construction 32,544 33,961 562,055 525,043 Commercial and industrial 15,478 17,242 Consumer 7,267 7,552 Total loans 584,800 549,837 Allowance for loan losses (6,357 ) (6,289 ) Net deferred loan costs and fees, and purchase premiums 1,148 1,073 $ 579,591 $ 544,621 The following tables present activity in the allowance for loan losses by loan category for the three months ended March 31, 2022 and 2021, and allocation of the allowance to each category as of March 31, 2022 and December 31, 2021: Residential 1-4 Family Second Mortgages and HELOC Commercial Real Estate Construction Commercial and Industrial Consumer Total (In thousands) Three Months Ended March 31, 2022 Allowance at December 31, 2021 $ 1,093 $ 462 $ 3,451 $ 697 $ 499 $ 87 $ 6,289 Provision (credit) for loan losses 142 (11 ) (49 ) 19 (23 ) (7 ) 71 Loans charged-off — — — — — (4 ) (4 ) Recoveries 1 — — — — — 1 Balance at March 31, 2022 $ 1,236 $ 451 $ 3,402 $ 716 $ 476 $ 76 $ 6,357 Three Months Ended March 31, 2021 Allowance at December 31, 2020 $ 1,646 $ 442 $ 3,402 $ 751 $ 416 $ 127 $ 6,784 Provision for loan losses (126 ) (17 ) (12 ) (31 ) (15 ) (12 ) (213 ) Loans charged-off — — — — — (10 ) (10 ) Recoveries 2 — — — — — 2 Balance at March 31, 2021 $ 1,522 $ 425 $ 3,390 $ 720 $ 401 $ 105 $ 6,563 Additional information pertaining to the allowance for loan losses at March 31, 2022 and December 31, 2021 is as follows: Residential 1-4 Family Second Mortgages and HELOC Commercial Real Estate Construction Commercial and Industrial Consumer Total March 31, 2022 (In thousands) Allowance for impaired loans $ 80 $ — $ — $ — $ — $ — $ 80 Allowance for non-impaired loans 1,156 451 3,402 716 476 76 6,277 Total allowance for loan losses $ 1,236 $ 451 $ 3,402 $ 716 $ 476 $ 76 $ 6,357 Impaired loans $ 3,414 $ 484 $ — $ — $ — $ — $ 3,898 Non-impaired loans 268,341 58,017 199,255 32,544 15,478 7,267 580,902 Total loans $ 271,755 $ 58,501 $ 199,255 $ 32,544 $ 15,478 $ 7,267 $ 584,800 December 31, 2021 Allowance for impaired loans $ 81 $ 19 $ — $ — $ — $ — $ 100 Allowance for non-impaired loans 1,012 443 3,451 697 499 87 6,189 Total allowance for loan losses $ 1,093 $ 462 $ 3,451 $ 697 $ 499 $ 87 $ 6,289 Impaired loans $ 3,255 $ 603 $ — $ — $ — $ — $ 3,858 Non-impaired loans 233,109 56,692 197,423 33,961 17,242 7,552 545,979 Total loans $ 236,364 $ 57,295 $ 197,423 $ 33,961 $ 17,242 $ 7,552 $ 549,837 The following is a summary of past due and non-accrual loans at March 31, 2022 and December 31, 2021: 30 - 59 Days Past Due 60 - 89 Days Past Due 90 Days or More Past Due Total Past Due Non-accrual Loans (In thousands) March 31, 2022 Residential one- to four-family $ 665 $ 223 $ — $ 888 $ 2,299 Home equity loans and lines of credit 172 198 — 370 382 Commercial real estate — — — — — Construction — — — — — Commercial and industrial — — — — — Consumer 15 — — 15 — Total $ 852 $ 421 $ — $ 1,273 $ 2,681 December 31, 2021 Residential one-to-four family $ 701 $ 193 $ — $ 894 $ 2,133 Home equity loans and lines of credit 186 215 — 401 491 Commercial real estate — — — — — Construction — — — — — Commercial and industrial — — — — — Consumer 76 9 — 85 — Total $ 963 $ 417 $ — $ 1,380 $ 2,624 The following is a summary of impaired loans at March 31, 2022 and December 31, 2021: Recorded Investment Unpaid Principal Balance Related Allowance (In thousands) March 31, 2022 Impaired loans without a valuation allowance: Residential one- to four-family $ 2,529 $ 2,541 Home equity loans and lines of credit 478 484 Total 3,007 3,025 Impaired loans with a valuation allowance: Residential one- to four-family 867 873 $ 80 Total impaired loans $ 3,874 $ 3,898 $ 80 December 31, 2021 Impaired loans without a valuation allowance: Residential one- to four-family $ 2,364 $ 2,377 Home equity loans and lines of credit 479 485 Total 2,843 2,862 Impaired loans with a valuation allowance: Residential one- to four-family 874 878 81 Home equity loans and lines of credit 108 118 19 Total 982 996 100 Total impaired loans $ 3,825 $ 3,858 $ 100 Additional information pertaining to impaired loans follows: Average Interest Cash Basis Recorded Income Interest Investment Recognized Recognized (In thousands) Three Months Ended March 31, 2022 Residential one- to four-family $ 3,430 $ 352 $ 16 Home equity loans and lines of credit 484 21 6 Total $ 3,914 $ 373 $ 22 Three Months Ended March 31, 2021 Residential one- to four-family $ 3,755 $ 18 $ 39 Home equity loans and lines of credit 424 — — Commercial real estate 5,780 — — Total $ 9,959 $ 18 $ 39 No additional funds are committed to be advanced in connection with impaired loans. Troubled Debt Restructurings The Company periodically grants concessions to borrowers experiencing financial difficulties. The Company’s troubled debt restructurings consist primarily of interest rate concessions for periods of three months to thirty years for residential real estate loans, and for periods up to one year for commercial real estate loans. Number of Contracts TDRs Listed as Accrual Number of Contracts TDRs Listed as Non-accrual Number of Contracts Total TDRs (In thousands) March 31, 2022 Residential one- to four-family 9 $ 1,097 3 $ 918 12 $ 2,015 Home equity loans and lines of credit 2 96 - — 2 96 Total 11 $ 1,193 3 $ 918 14 $ 2,111 December 31, 2021 Residential one- to four-family 9 $ 1,103 3 $ 919 12 $ 2,022 Home equity loans and lines of credit 2 97 1 109 3 206 Total 11 1,200 4 $ 1,028 15 $ 2,228 For the three months ended March 31, 2022 and 2021, respectively, the Company did not enter into any loan modifications meeting the criteria of a troubled debt restructuring. Management performs a discounted cash flow calculation to determine the amount of valuation reserve required on each of the troubled debt restructurings. Any reserve required is recorded as part of the allowance for loan losses. During the three months ended March 31, 2022 and 2021, there were no material changes to the allowance for loan losses as a result of loan modifications made which were considered a troubled debt restructuring. During the three months ended March 31, 2022 and 2021, there were no troubled debt restructurings that defaulted (over 30 days past due) within twelve months of the restructure date. No additional funds are committed to be advanced in connection with troubled debt restructurings. Credit Quality Information The Company utilizes an eight-grade internal loan rating system for commercial real estate, construction and commercial and industrial loans, as follows: Loans rated 1 – 3B are considered “pass” rated loans with low to average risk. Loans rated 4 are considered “special mention.” These loans are starting to show signs of potential weakness and are being closely monitored by management. Loans rated 5 are considered “substandard” and are inadequately protected by the current net worth and paying capacity of the obligors and/or the collateral pledged. There is a distinct possibility that the Company will sustain some loss if the weakness is not corrected. Loans rated 6 are considered “doubtful” and have all the weaknesses inherent in those classified substandard with the added characteristic that the weaknesses make collection or liquidation in full, on the basis of currently existing facts, highly questionable and improbable. Loans rated 7 are considered uncollectible (“loss”) and of such little value that their continuance as loans is not warranted. On an annual basis, or more often if needed, the Company formally reviews the ratings on all commercial real estate, construction and commercial and industrial loans. Annually, the Company engages an independent third party to review a significant portion of loans within these segments. Management uses the results of these reviews as part of its annual review process. The following table presents the Company’s loans by risk rating at the dates indicated: Residential 1-4 Family Second Mortgages and HELOC Commercial Real Estate Construction Commercial and Industrial Consumer Total (In thousands) March 31, 2022 Not Rated $ 269,450 $ 58,121 $ — $ — $ — $ 7,267 $ 334,838 Loans rated 1 - 3B (Pass rated) — — 187,745 32,544 15,174 — 235,463 Loans rated 4 356 380 7,967 — 304 — 9,007 Loans rated 5 1,949 — 3,543 — — — 5,492 $ 271,755 $ 58,501 $ 199,255 $ 32,544 $ 15,478 $ 7,267 $ 584,800 December 31, 2021 Not Rated $ 234,225 $ 56,797 $ — $ — $ — $ 7,552 $ 298,574 Loans rated 1 - 3B (Pass rated) — — 186,774 33,961 16,910 — 237,645 Loans rated 4 361 381 7,106 — 332 — 8,180 Loans rated 5 1,778 117 3,543 — — — 5,438 $ 236,364 $ 57,295 $ 197,423 $ 33,961 $ 17,242 $ 7,552 $ 549,837

Loan Servicing

Loan Servicing	3 Months Ended
	Mar. 31, 2022
Transfers And Servicing [Abstract]
Loan Servicing	6 . LOAN SERVICING Mortgage loans serviced for others are not included in the accompanying unaudited consolidated balance sheets. The unpaid principal balances of residential mortgage loans serviced for others were $1.95 billion and $1.98 billion at March 31, 2022 and December 31, 2021, respectively. In connection with these serviced loans, we maintained $16.5 million and $16.6 million of custodial escrow balances at March 31, 2022 and December 31, 2021, respectively. The following table summarizes the activity relating to mortgage servicing rights (“MSRs”) for the three months ended March 31, 2022 and 2021 (in thousands): March 31, 2022 March 31, 2021 Mortgage servicing rights: Balance at beginning of year $ 18,173 $ 15,372 Additions through originations 377 2,786 Amortization (749 ) (840 ) Balance at end of period $ 17,801 $ 17,318 Valuation allowance: Balance at beginning of year $ 2,558 $ 2,995 Provision (recovery) (135 ) (421 ) Balance at end of period $ 2,423 $ 2,574 Amortized cost, net $ 15,378 $ 14,744 Fair value $ 16,055 $ 15,362 During the three months ended March 31, 2022 the Company decreased the valuation allowance for its MSRs by $135,000. During the three months ended March 31, 2021, the Company decreased the valuation allowance for its MSRs by $421,000. Such adjustments to the valuation allowance were due primarily to changes in fair value caused by the impact of changes in interest rates on expected loan prepayments.

On-Balance Sheet Derivative Ins

On-Balance Sheet Derivative Instruments and Hedging Activities	3 Months Ended
	Mar. 31, 2022
Derivative Instruments And Hedging Activities Disclosure [Abstract]
On-Balance Sheet Derivative Instruments and Hedging Activities	7 . ON-BALANCE SHEET DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES Derivative Loan Commitments Mortgage loan interest rate lock commitments qualify as derivative loan commitments if the loan that will result from exercise of the commitment will be held for sale upon funding. The Company enters into commitments to fund residential mortgage loans at specified rates and times in the future, with the intention that these loans will subsequently be sold either in the secondary market, to large aggregators of loans or to other financial institutions. Outstanding derivative loan commitments expose the Company to the risk that the price of the loans arising from exercise of the loan commitment might decline from inception of the rate lock to funding of the loan due to an increase in mortgage interest rates. If interest rates increase, the value of these loan commitments decreases. Conversely, if interest rates decrease, the value of these loan commitments increases. The notional amount of derivative loan commitments was $ and $ at March 31, 2022 and December 31, 2021 , respectively. The fair value of such commitments consisted of assets of $ 221,000 and $ 1,364,000 at March 31, 2022 and December 31, 2021, respectively, included in other assets on the consolidated balance sheets and liabilities of $ 199,000 and $ 0 at March 31, 2022 and December 31, 2021, respectively, included in other liabilities on the consolidated balance sheets. Forward Loan Sale Commitments The Company utilizes both “mandatory delivery” and “best efforts” forward loan sale commitments and To Be Announced (“TBA”) securities to mitigate the risk of potential decreases in the value of loans that would result from the exercise of the derivative loan commitments as well as for loans held for sale. With a “mandatory delivery” contract, the Company commits to deliver a certain principal amount of mortgage loans to an investor at a specified price on or before a specified date. If the Company fails to deliver the amount of mortgages necessary to fulfill the commitment by the specified date, it is obligated to pay a “pair-off” fee, based on then-current market prices, to the investor to compensate the investor for the shortfall. With a “best efforts” contract, the Company commits to deliver an individual mortgage loan of a specified principal amount and quality to an investor if the loan to the underlying borrower closes. Generally, the price the investor will pay the seller for an individual loan is specified prior to the loan being funded (e.g., on the same day the lender commits to lend funds to a potential borrower). The Company expects that these forward loan sale commitments and TBA securities will experience changes in fair value that serve to offset the change in fair value of loans held for sale and derivative loan commitments, the degree to which depends on the notional amount of such sale commitments. The notional amount of forward loan sale commitments and TBA securities was $44,132,000 and $80,407,000 at March 31, 2022 and December 31, 2021, respectively. The fair value of such commitments consisted of liabilities of $13,000 and $84,000 at March 31, 2022 and December 31, 2021, respectively, included in other liabilities in the consolidated balance sheets and assets of $674,000 and $50,000 at March 31, 2022 and December 31, 2021, respectively, included in other assets in the consolidated balance sheets.

Employee Stock Ownership Plan

Employee Stock Ownership Plan	3 Months Ended
	Mar. 31, 2022
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Employee Stock Ownership Plan	8 . EMPLOYEE STOCK OWNERSHIP PLAN The Bank maintains an Employee Stock Ownership Plan (“ESOP”), which is a tax-qualified retirement plan providing eligible employees the opportunity to own Company stock. The Company made a loan to the ESOP for the purchase of 469,498 shares of its common stock at $10.00 per share in connection with its initial public offering in July 2016. The loan is payable annually over 25 years with interest at the prime rate to be reset each January 1. The loan is secured by the shares which have not yet been allocated to participants. Loan payments are funded by cash contributions from the Bank. Such contributions are allocated to eligible participants based on their compensation, subject to federal tax limits. Shares are committed to be released on a monthly basis and allocated as of December 31 of each year. The number of shares to be allocated annually is 18,780 through the year 2040. For the three months ended March 31, 2022 and 2021, the Company recognized compensation expense for the ESOP of $112,000 and $94,000, respectively. The fair value of the 352,187 unallocated ESOP shares at March 31, 2022 was $9,301,000.

Share Repurchase Program

Share Repurchase Program	3 Months Ended
	Mar. 31, 2022
Equity [Abstract]
Share Repurchase Program	9 . SHARE REPURCHASE PROGRAM In October 2021, the Company’s Board of Directors adopted a share repurchase program under which the Company may repurchase up to 10%, or 510,000 shares, of its then outstanding common shares. Repurchases under the program may be made in open market or in privately negotiated transactions and pursuant to any trading plan that may be adopted in accordance with Rule 10b5-1 of the SEC. Any repurchased shares will be held by the Company as authorized but unissued shares. On January 25, 2022, the Company announced a modification to this program. The modification changes the program so that the Company may purchase up to 62,000 shares, or approximately 1% of the Company’s outstanding stock. As of March 31, 2022, the Company had repurchased 62,000 shares at a cost of $1,402,000 in connection with this program.

Earnings (Loss) Per Share

Earnings (Loss) Per Share	3 Months Ended
	Mar. 31, 2022
Earnings Per Share [Abstract]
Earnings (Loss) Per Share	1 0 . EARNINGS (LOSS) PER SHARE Basic earnings (loss) per share represents net income (loss) divided by the weighted average of common shares outstanding during the period. Unvested restricted shares of common stock having dividend rights are treated as “participating securities” and, accordingly, are considered outstanding in computing basic earnings (loss) per share. Unallocated ESOP shares are not considered to be outstanding for purposes of computing earnings per share. The following table sets forth the calculation of the average number of shares outstanding used to calculate the basic and diluted earnings (loss) per share for the periods indicated: Three Months Ended March 31, 2022 2021 Average number of common shares outstanding 5,169,802 5,429,422 Less: Average unallocated ESOP shares (354,477 ) (373,257 ) Average number of common shares outstanding used to calculate basic earnings per share 4,815,325 5,056,165 Effect of dilutive stock options 199,213 198,742 Average number of common shares outstanding used to calculate dilutive earnings per share 5,014,538 5,254,907

Stock-Based Compensation

Stock-Based Compensation	3 Months Ended
	Mar. 31, 2022
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Stock-Based Compensation	1 1 . STOCK-BASED COMPENSATION Under the Randolph Bancorp, Inc. 2017 Stock Option and Incentive Plan (the “2017 Equity Plan”), the Company may grant options, restricted stock, restricted units or performance awards to its directors, officers and employees. Both incentive stock options and nonqualified stock options may be granted under the 2017 Equity Plan with 586,872 shares initially reserved for options. Any options forfeited because vesting requirements are not met or expired will become available for re-issuance under the 2017 Equity Plan. The exercise price of each option equals the market price of the Company’s stock on the date of the grant and the maximum term of each option is 10 years. The total number of shares initially reserved for restricted stock is 234,749. Options and awards generally vest ratably over three to five years. The fair value of shares awarded is based on the market price at the date of grant. In addition, the Company granted 15,000 shares of restricted stock and 44,118 options in 2020 as an inducement for senior executives to accept employment (the “2020 Inducement Plan”). The inducement awards and options vest ratably over five years. The fair value of shares awarded is based on the market price at the date of grant. At the 2021 Annual Meeting of Shareholders held on May 24, 2021, the Company’s shareholders approved the 2021 Equity Incentive Plan (the “2021 Equity Plan”). The 2021 Equity Plan permits equity awards to employees and directors in the form of stock options, restricted stock and other forms of compensation. The maximum number of shares of common stock that may be issued under the 2021 Equity Plan is 100,000. On August 13, 2021, the Company granted 18,000 performance-based restricted stock unit awards to certain senior level employees. These performance-based restricted stock unit awards were issued from the 2021 Equity Plan and were determined to have a grant fair value per share of $20.15. The number of stock units to be vested is contingent upon the Company’s attainment of certain performance criteria to be measured at the end of a three-year Stock Options The fair value of each option grant is estimated on the date of the grant using the Black-Scholes option-pricing model with the following assumptions: • Volatility is based on peer group volatility because the Company does not have a sufficient trading history. • Expected life represents the period of time that the option is expected to be outstanding, taking into account the contractual term, and the vesting period. • Expected dividend yield is based on the Company's history and expectation of dividend payouts. • The risk-free rate is based on the U.S. Treasury yield curve in effect at the time of grant for a period equivalent to the expected life of the option. During the three months ended March 31, 2022 and 2021, the Company made the following grants of options to purchase shares of common stock and used the following assumptions in measuring the fair value of such grants: 2022 2021 Options granted — 40,491 Vesting period (years) — 5 Expiration period (years) — 10 Expected volatility — 30.98 % Expected life (years) — 6.2 Expected dividend yield — — Risk free interest rate — 0.64 % Option fair value — $ 6.20 A summary of stock option activity for the three months ended March 31, 2022 is presented in the table below: Options Stock Option Grants Weighted Average Exercise Price Weighted Average Remaining Contractual Term Aggregate Intrinsic Value Balance at January 1, 2022 599,383 $ 13.80 8.50 $ — Exercised (129,437 ) 14.38 Forfeited (18,247 ) 16.26 Balance at March 31, 2022 451,699 $ 13.53 7.75 $ 5,817,936 Exercisable at March 31, 2022 177,546 $ 14.61 7.00 $ 2,095,529 Unrecognized compensation cost (inclusive of directors' options) $ 885,607 Weighted average remaining recognition period (years) 2.13 For the three months ended March 31, 2022 and 2021 stock-based compensation expense applicable to stock options was $93,000 and $142,000, respectively. Restricted Stock Shares issued may be either authorized but unissued shares or reacquired shares held by the Company. Any shares forfeited because vesting requirements are not met will become available for reissuance under the Equity Plan. The fair market value of shares awarded, based on the market price at the date of grant, is amortized over the applicable vesting period. Restricted stock awarded to date has been at no cost to the awardee. The following table presents the activity in restricted stock awards under the Equity Plan for the three months ended March 31, 2022: Restricted Stock Awards Weighted Average Grant Price Performance-Based Restricted Stock Units (1) Weighted Average Grant Price Total Restricted Stock Awards and Performance-Based Restricted Stock Units Weighted Average Grant Price Restricted stock awards at January 1, 2022 99,485 $ 13.93 18,000 $ 20.15 117,485 $ 14.89 Vested (4,614 ) 14.36 — — (4,614 ) 14.36 Forfeited (704 ) 11.48 — — (704 ) 11.48 Restricted stock awards at March 31, 2022 94,167 $ 13.93 18,000 $ 20.15 112,167 $ 14.93 Unrecognized compensation cost $ 957,628 $ 276,944 $ 1,234,572 Weighted average remaining recognition period (years) 2.39 2.04 2.33 For the three months ended March 31, 2022 and 2021 stock-based compensation expense applicable to restricted stock and performance-based restricted stock units was $191,000 and $125,000, respectively.

Fair Value of Assets and Liabil

Fair Value of Assets and Liabilities	3 Months Ended
	Mar. 31, 2022
Fair Value Disclosures [Abstract]
Fair Value of Assets and Liabilities	1 2 . FAIR VALUE OF ASSETS AND LIABILITIES Determination of fair value The Company uses fair value measurements to record fair value adjustments to certain assets and liabilities and to determine fair value disclosures. Fair value is the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. Fair value is best determined based upon quoted market prices. However, in many instances, there are no quoted market prices for the Company’s various assets and liabilities. In cases where quoted market prices are not available, fair values are based on estimates using present value or other valuation techniques. Those techniques are significantly affected by the assumptions used, including the discount rate and estimates of future cash flows. Accordingly, the fair value estimates may not be realized in an immediate settlement of the asset or liability. The following methods and assumptions were used by the Company in estimating fair value disclosures: Securities Loans held for sale Loans Mortgage servicing rights On-balance-sheet derivatives Off-balance sheet credit-related instruments Assets and liabilities recorded at fair value on a recurring basis Assets and liabilities recorded at fair value on a recurring basis are summarized below. Total Level 1 Level 2 Level 3 Fair (In thousands) March 31, 2022 Assets: Securities available for sale $ — $ 48,836 $ — $ 48,836 Portfolio loans (fair value option) — 10,177 — 10,177 Loans held for sale (fair value option) — 22,698 — 22,698 Derivative loan commitments — 221 — 221 Forward loan sale commitments, including TBAs — 674 — 674 Liabilities: Derivative loan commitments — 199 — 199 Forward loan sale commitments, including TBAs — 13 — 13 December 31, 2021 Assets: Securities available for sale $ — $ 51,666 $ — $ 51,666 Portfolio loans (fair value option) — 13,780 — 13,780 Loans held for sale (fair value option) — 44,766 — 44,766 Derivative loan commitments — 1,364 — 1,364 Forward loan sale commitments — 50 — 50 Liabilities: Forward loan sale commitments, including TBAs — 84 — 84 There were no transfers between levels for assets and liabilities recorded at fair value on a recurring basis during the three months ended March 31, 2022 and 2021. Assets recorded at fair value on a non-recurring basis The Company may also be required, from time to time, to record certain other assets at fair value on a non-recurring basis in accordance with GAAP. These adjustments to fair value usually result from application of lower-of-cost-or-market accounting or write-downs of individual assets. The following table summarizes the fair value hierarchy used to determine each adjustment and the carrying value of the related assets as of March 31, 2022 and December 31, 2021. Period Ended March 31, 2022 March 31, 2022 Level 1 Level 2 Level 3 Total Gains (Losses) (In thousands) Collateral dependent impaired loans $ — $ — $ 2,716 $ — Mortgage servicing rights — 15,378 — 135 $ — $ 15,378 $ 2,716 $ 135 December 31, 2021 Level 1 Level 2 Level 3 (In thousands) Collateral dependent impaired loans $ — $ — $ 2,551 Mortgage servicing rights — 15,616 — $ — $ 15,616 $ 2,551 The Company recorded a decrease in the valuation allowance for its MSRs of $135,000 during the three months ended March 31, 2022. The Company utilizes an independent valuation from a third party which uses a discounted cash flow model to estimate the fair value of MSRs. The model uses loan prepayment assumptions based on current market conditions and applies a discount rate based on indicated rates of return required by market participants. The decrease in the valuation allowance during the three months ended March 31, 2022 was caused by slower loan prepayment speeds attributable to the increase in interest rates on residential mortgage loans during the period. L osses applicable to write-downs of impaired loans and foreclosed real estate are based on the appraised value of the underlying collateral less estimated costs to sell. The losses on impaired loans are not recorded directly as an adjustment to current earnings, but rather as a component in determining the allowance for loan losses. The losses on foreclosed real estate represent adjustments in valuation recorded during the time period indicated and not for losses incurred on sales. Appraised values are typically based on a blend of (a) an income approach using observable cash flows to measure fair value, and (b) a market approach using observable market comparisons. These appraised values may be discounted based on management’s historical knowledge, expertise or changes in market conditions from time of valuation. There were no liabilities measured at fair value on a non-recurring basis at March 31, 2022 and December 31, 2021. Summary of fair values of financial instruments The estimated fair values, and related carrying amounts, of the Company’s financial instruments are presented below. Certain financial instruments and all non-financial instruments are exempt from disclosure requirements. Accordingly, the aggregate fair value amounts presented herein do not represent the underlying fair value of the Company. This table excludes financial instruments for which the carrying amount approximates fair value. Financial assets for which the fair value approximates carrying value include cash and cash equivalents, and accrued interest receivable. Financial liabilities for which the fair value approximates carrying value include mortgagors’ escrow accounts and accrued interest payable. March 31, 2022 Carrying Fair Amount Value Level 1 Level 2 Level 3 (In thousands) Financial assets: Securities available for sale 48,836 48,836 — 48,836 — Loans held for sale 22,698 22,698 — 22,698 — Loans, net 579,591 569,377 — — 569,377 Derivative assets 895 895 — 895 — Financial liabilities: Deposits $ 624,679 $ 624,762 $ — $ 624,762 $ — FHLBB advances 45,000 44,378 — 44,378 — Derivative liabilities 212 212 — 212 — December 31, 2021 Carrying Fair Amount Value Level 1 Level 2 Level 3 (In thousands) Financial assets: Securities available for sale 51,666 51,666 — 51,666 — Loans held for sale 44,766 44,766 — 44,766 — Loans, net 544,621 549,674 — — 549,674 Derivative assets 1,414 1,414 — 1,414 — Financial liabilities: Deposits $ 638,147 637,538 $ — $ 637,538 $ — FHLBB advances 50,000 50,001 50,001 Derivative liabilities 84 84 — 84 —

Commitments and Contingencies

Commitments and Contingencies	3 Months Ended
	Mar. 31, 2022
Commitments And Contingencies Disclosure [Abstract]
Commitments and Contingencies	1 3 . COMMITMENTS AND CONTINGENCIES Loan commitments The Company is a party to financial instruments with off-balance-sheet risk in the normal course of business to meet the financing needs of its customers. These financial instruments include commitments to extend credit. These instruments involve, to varying degrees, elements of market, credit and interest rate risk which are not recognized in the unaudited consolidated financial statements. The Company’s exposure to credit loss is represented by the contractual amount of these commitments. The Company uses the same credit policies in making commitments and conditional obligations as it does for on-balance-sheet instruments. The following financial instruments were outstanding, at the dates indicated, whose contract amounts represent credit risk: March 31, 2022 December 31, 2021 (In thousands) Commitments to originate loans $ 85,463 $ 107,889 Unused lines and letters of credit 75,823 79,012 Unadvanced funds on construction loans 13,895 13,879 Overdraft lines of credit 7,787 7,967 Commitments to extend credit are agreements to lend to a customer as long as there is no violation of any condition established in the contract. Commitments generally have fixed expiration dates or other termination clauses and may require payment of a fee. The commitments for lines of credit may expire without being drawn upon. Therefore, the total commitment amounts do not necessarily represent future cash requirements. The Company evaluates each customer’s creditworthiness on a case-by-case basis. The majority of these financial instruments are collateralized by real estate. Other contingencies The Company is not currently a party to any pending legal proceedings that it believes would have a material adverse effect on its financial condition, results of operations or cash flows.

Segment Information

Segment Information	3 Months Ended
	Mar. 31, 2022
Segment Reporting [Abstract]
Segment Information	1 4 . SEGMENT INFORMATION The Company reports its activities in one of two business segments, namely Envision Bank (“EB”) and Envision Mortgage (“EM”). Envision Bank operations primarily consist of accepting deposits from customers within the communities surrounding the Bank’s five full-service branch offices and investing those funds in residential and commercial real estate loans, home equity lines of credit, construction loans, commercial and industrial loans, and consumer loans. Envision Mortgage’s operations primarily consist of the origination and sale of residential mortgage loans and the servicing of loans sold to government-sponsored entities. A portion of the loans originated by Envision Mortgage are held in the loan portfolio of Envision Bank. Segment information as of and for the three months ended March 31, 2022 follows: For the Three Months Ended March 31, 2022 Envision Bank Envision Mortgage Consolidated Total (in thousands) Net interest income $ 5,011 $ 256 $ 5,267 Provision for loan losses 71 — 71 Net interest income after provision for loan losses 4,940 256 5,196 Non-interest income: Customer service fees 355 10 365 Gain on loan origination and sale activities, net (1) — 1,991 1,991 Mortgage servicing fees, net (205 ) 553 348 Other 99 116 215 Total non-interest income 249 2,670 2,919 Non-interest expenses: Salaries and employee benefits 1,935 3,219 5,154 Occupancy and equipment 512 (147 ) 365 Other non-interest expenses 1,911 1,276 3,187 Total non-interest expenses 4,358 4,348 8,706 Income (loss) before income taxes and elimination of inter-segment profit $ 831 $ (1,422 ) (591 ) Elimination of inter-segment profit (727 ) Income (loss) before income taxes (benefit) (1,318 ) Income tax expense (benefit) (1,083 ) Net income (loss) $ (235 ) Total assets, March 31, 2022 $ 702,326 $ 67,958 $ 770,284 (1) Before elimination of inter-segment profit. The information above was derived from the internal management reporting system used by management to measure performance of the segments. The Company’s internal transfer pricing arrangements determined by management primarily consist of the following: 1. EM’s cost of funds is based on the weighted average rate of overnight advances from the FHLBB for the period. 2. EM is credited with service released premiums and a sales premium totaling 1.50% for new loans transferred to EB’s loans held for investment, and a 1.00% fee for home equity line of credit (“HELOC”) originations. This income for the three months ended March 31, 2022 totaled $727,000. 3. Loan servicing fees are charged to EB by EM based on the number of residential mortgage loans held in portfolio at a rate of 0.25% per annum and amounted to $205,000 for the three months ended March 31, 2022 4. Certain cost centers provide services to both business segments. The cost centers include Finance, Marketing, IT and Administration. Costs which are common to both business segments are referred to as “indirect costs” and are allocated using relevant benchmarks, e.g. headcount, number of accounts, etc. Segment information as of and for the three months ended March 31, 2021 follows: For the Three Months Ended March 31, 2021 Envision Bank Envision Mortgage Consolidated Total (in thousands) Net interest income $ 4,201 $ 890 $ 5,091 Provision (credit) for loan losses (213 ) — (213 ) Net interest income after provision (credit) for loan losses 4,414 890 5,304 Non-interest income: Customer service fees 340 27 367 Gain on loan origination and sale activities, net (1) — 11,674 11,674 Mortgage servicing fees, net (94 ) 873 779 Other 151 133 284 Total non-interest income 397 12,707 13,104 Non-interest expenses: Salaries and employee benefits 1,802 6,635 8,437 Occupancy and equipment 443 301 744 Other non-interest expenses 1,087 1,683 2,770 Total non-interest expenses 3,332 8,619 11,951 Income before income taxes and elimination of inter-segment profit $ 1,479 $ 4,978 6,457 Elimination of inter-segment profit (681 ) Income before income taxes 5,776 Income tax expense 1,664 Net income $ 4,112 Total assets, March 31, 2021 $ 581,954 $ 156,234 $ 738,188 (1) Before elimination of inter-segment profit. The information above was derived from the internal management reporting system used by management to measure performance of the segments. The Company’s internal transfer pricing arrangements determined by management primarily consist of the following: 1. EM’s cost of funds is based on the weighted average rate of overnight advances from the FHLBB for the period. 2. EM is credited with service released premiums and a sales premium totaling 1.50% for new loans transferred to EB’s loans held for investment, and a 1.00% fee for HELOC originations. This income for the three months ended March 31, 2021 totaled $681,000. 3. Loan servicing fees are charged to EB by EM based on the number of residential mortgage loans held in portfolio at a rate of 0.14% per annum and amounted to $94,000 for the three months ended March 31, 2021. 4. Certain cost centers provide services to both business segments. The cost centers include Finance, Marketing, IT and Administration. Costs which are common to both business segments are referred to as “indirect costs” and are allocated using relevant benchmarks, e.g. headcount, number of accounts, etc.

Deposits

Deposits	3 Months Ended
	Mar. 31, 2022
Deposits [Abstract]
Deposits	15. DEPOSITS A summary of deposit balances, by type is as follows: March 31, 2022 December 31, 2021 (In thousands) Demand deposits $ 142,794 $ 145,666 NOW accounts 53,329 53,996 Money market deposits 92,769 90,544 Regular and other savings accounts 196,145 191,712 Brokered deposits 3,072 10,061 Total non-certificate accounts 488,109 491,979 Term certificates less than $250,000 84,258 85,877 Term certificates of $250,000 or more 22,256 20,235 Term certificates - brokered 30,056 40,056 Total certificate accounts 136,570 146,168 624,679 638,147

Borrowings

Borrowings	3 Months Ended
	Mar. 31, 2022
Debt Disclosure [Abstract]
Borrowings	16. BORROWINGS Advances consist of funds borrowed from the Federal Home Loan Bank of Boston (the “FHLB”). Maturities of advances from the FHLB as of March 31, 2022 are summarized as follows: March 31, 2022 (In thousands) 2022 $ — 2023 5,000 2024 — 2025 40,000 45,000 Borrowings from the FHLB, which aggregated $45.0 million at March 31, 2022, are secured by blanket lien on qualified collateral, consisting primarily of loans with first mortgages secured by one- to four-family properties, certain commercial loans and qualified mortgage-backed government securities. The interest rates on FHLB advances ranged from 0.45% to 1.49%, and the weighted average interest rate on FHLB advances was 1.28% at March 31, 2022. All FHLB borrowings at March 31, 2022 are long-term with an original maturity of more than one year.

Minimum Regulatory Capital Requ

Minimum Regulatory Capital Requirements	3 Months Ended
	Mar. 31, 2022
Banking And Thrifts [Abstract]
Minimum Regulatory Capital Requirements	17. MINIMUM REGULATORY CAPITAL REQUIREMENTS The Bank is subject to various capital requirements administered by the federal banking agencies. Capital adequacy guidelines and prompt corrective actions regulations involve qualitative measures of assets, liabilities, and certain off-balance sheet items calculated under regulatory accounting practices. Capital amounts and classifications are also subject to qualitative judgment by regulators. Failure to meet capital requirements can initiate regulatory action. The final rules implementing Basel Committee on Banking Supervision’s capital guidelines for U.S. Banks (Basel III rules) became effective for the Bank on January 1, 2015. Under BASEL III, community banking institutions must maintain a capital conservation buffer of common equity tier I capital in an amount greater than 2.5% of total risk weighted assets to avoid being subject to limitations on capital distributions and discretionary bonuses. Quantitative measures established by regulation to ensure capital adequacy require the Bank to maintain minimum amounts and ratios (set forth in the following tables) of total, Tier 1 capital and common equity Tier 1 capital to risk weighted assets, and Tier 1 capital to average assets (all as defined). Management believes, as of March 31, 2022 and December 31, 2021, that the Bank met all capital adequacy requirements to which it is subject. As of March 31, 2022, the most recent notification from the FDIC categorized the Bank as well capitalized under the regulatory framework for prompt corrective action. To be categorized as well capitalized, the Bank must maintain minimum total risk-based, Tier 1 risk-based, common equity Tier 1 and Tier 1 leverage ratios as set forth in the following tables. There are no conditions or events since the notification that management believes have changed the Bank’s category. The Bank’s actual and minimum capital amounts and ratios, exclusive of the capital conservation buffer, are presented in the following table: Minimum To Be Well For Minimum Capitalized Under Capital Prompt Corrective Actual Adequacy Purposes Action Provisions Amount Ratio Amount Ratio Amount Ratio (Dollars in thousands) March 31, 2022 Total capital (to risk weighted assets) $ 89,621 15.4 % $ 46,423 8.0 % $ 58,029 10.0 % Tier 1 capital (to risk weighted assets) 82,471 14.2 34,817 6.0 46,423 8.0 Common equity Tier 1 capital (to risk weighted assets) 82,471 14.2 26,113 4.5 37,719 6.5 Tier 1 capital (to average assets) 82,471 10.5 31,449 4.0 39,311 5.0 December 31, 2021 Total capital (to risk weighted assets) $ 100,180 17.4 % $ 45,956 8.0 % $ 57,445 10.0 % Tier 1 capital (to risk weighted assets) 93,288 16.2 34,467 6.0 45,956 8.0 Common equity Tier 1 capital (to risk weighted assets) 93,288 16.2 25,850 4.5 37,339 6.5 Tier 1 capital (to average assets) 93,288 12.3 30,355 4.0 37,943 5.0

Leases

Leases	3 Months Ended
	Mar. 31, 2022
Leases [Abstract]
Leases	1 8 . LEASES The Company recognized ROUs and operating lease liabilities totaling $1.8 million at March 31, 2022 and December 31, 2021, respectively. The ROU is recognized in other assets on the Company’s Consolidated Balance Sheet and operating lease liabilities are recognized in other liabilities on the Company’s Consolidated Balance Sheet. At March 31, 2022, the Company had entered in 9 noncancelable operating lease agreements for office space and branch locations, several of which contain renewal options to extend lease payments for a period of 1 to 10 years. The Company had no financing leases outstanding and no leases with residual value guarantees. The Company’s operating lease cost was $170,000 and $245,000 for the three months ended March 31, 2022 and 2021, respectively. The weighted average remaining lease term for operating leases was 4.4 years and 4.5 years at March 31, 2022 and December 31, 2021, respectively, and the weighted average discount rate used in the measurement of operating lease liabilities was 1.95% and 1.99% at March 31, 2022 and December 31, 2021, respectively. The following table sets forth the undiscounted cash flows of base rent related to operating leases at March 31, 2022 with payments scheduled over the next five years and thereafter, including a reconciliation to the operating lease liability. March 31, 2022 (In thousands) 2022 $ 514 2023 486 2024 344 2025 256 2026 226 2027 96 Thereafter — Total minimum lease payments 1,922 Less: amount representing interest (80 ) Present value of future minimum lease payments 1,842

Mortgage Banking Income

Mortgage Banking Income	3 Months Ended
	Mar. 31, 2022
Mortgage Banking [Abstract]
Mortgage Banking Income	19. MORTGAGE BANKING INCOME The components of gain on loan origination and sale activities and mortgage servicing fees for the three months ended March 31, 2022 and 2021 are as follows: For the Three Months Ended March 31, 2022 2021 (In thousands) Gain on loan origination and sale activities, net Gain on sale of mortgage loans and realized gain from derivative financial instruments, net $ 3,093 $ 15,876 Net change in fair value of loans held for sale and portfolio loans accounted for at fair value (1,559 ) (3,816 ) Capitalized residential mortgage loan servicing rights 377 2,797 Net change in fair value of derivative loan commitments and forward loan sale commitments (647 ) (3,864 ) Gain on loan origination and sales activities, net $ 1,264 $ 10,993 Mortgage servicing fees, net Residential mortgage loan servicing fees $ 1,277 $ 1,170 Amortization of residential mortgage loan servicing rights (749 ) (812 ) Release (provision) to the valuation allowance of mortgage loan servicing rights 135 421 Sub-servicer expenses (1) (315 ) — Mortgage servicing fees, net $ 348 $ 779 Total gain on loan origination and sales activities and mortgage servicing fees, net $ 1,612 $ 11,772 (1) Sub-servicer expenses were first incurred during the third quarter of 2021, due to the conversion of the Company’s mortgage loan servicing portfolio. Previously, all expenses related to servicing mortgage loans serviced for others were included in non-interest expenses.

Proposed Transaction with Homet

Proposed Transaction with Hometown Financial Group, Inc	3 Months Ended
	Mar. 31, 2022
Business Combinations [Abstract]
Proposed Transaction with Hometown Financial Group, Inc	20. PROPOSED TRANSACTION WITH HOMETOWN FINANCIAL GROUP, INC. On March 28, 2022, the Company entered into an Agreement and Plan of Merger (the “merger agreement”) with Hometown Financial Group, MHC (the “MHC”), Hometown Financial Group, Inc. (“Hometown”), and Hometown Financial Acquisition Corp. (“Merger Sub”). Pursuant to the merger agreement, Merger Sub will be merged with and into the Company, with the Company as the surviving corporation (the “merger”). Immediately after the Merger, the Company will be merged with and into Hometown as the surviving corporation (the “second step merger”). Immediately following the second step merger, the Bank will merge with and into Abington Bank, the wholly-owned subsidiary of Hometown, with Abington Bank as the surviving entity. The consummation of the merger is subject to customary closing conditions, including receipt of regulatory approvals and approval by shareholders. The merger is expected to be completed in the fourth quarter of 2022.

Recent Accounting Pronounceme_2

Recent Accounting Pronouncements (Policies)	3 Months Ended
	Mar. 31, 2022
Accounting Policies [Abstract]
Recent Accounting Pronouncements	In February 2016, FASB issued ASU 2016-02, Leases In June 2016, the FASB issued ASU 2016-13, Financial Instruments – Credit Losses

Accumulated Other Comprehensi_2

Accumulated Other Comprehensive Income (Loss) (Tables)	3 Months Ended
	Mar. 31, 2022
Equity [Abstract]
Components of Accumulated Other Comprehensive Income (Loss) and Related Tax Effects	The components of accumulated other comprehensive income (loss), included in total stockholders’ equity, are as follows: March 31, December 31, 2022 2021 (In thousands) Securities available for sale: Net unrealized gain (loss) $ (2,114 ) $ 249 Tax effect 478 (64 ) Net-of-tax amount (1,636 ) 185 Supplemental retirement plan Unrecognized net actuarial loss (635 ) (646 ) Unrecognized net prior service credit 214 222 (421 ) (424 ) Tax effect 58 58 Net-of-tax amount (363 ) (366 ) Accumulated other comprehensive income (loss) $ (1,999 ) $ (181 )

Securities Available for Sale (

Securities Available for Sale (Tables)	3 Months Ended
	Mar. 31, 2022
Investments Debt And Equity Securities [Abstract]
Schedule of Amortized Cost and Fair Value of Securities	The amortized cost and fair value of securities available for sale, including gross unrealized gains and losses, are as follows: Gross Gross Amortized Unrealized Unrealized Fair Cost Gains Losses Value (In thousands) March 31, 2022 Debt securities: U.S. Treasury $ 12,732 $ — $ (687 ) $ 12,045 U.S. Government-sponsored enterprises 1,996 — (59 ) 1,937 Corporate 2,501 — (80 ) 2,421 Municipal 350 1 — 351 Residential mortgage-backed securities: U.S. Government-sponsored enterprises 21,447 60 (1,031 ) 20,476 Commercial mortgage-backed securities: U.S. Government-sponsored enterprises 8,701 — (211 ) 8,490 Collateralized mortgage obligations: U.S. Government-sponsored enterprises 749 — (22 ) 727 U.S. Government-guaranteed 2,474 — (85 ) 2,389 Total securities available for sale $ 50,950 $ 61 $ (2,175 ) $ 48,836 December 31, 2021 Debt securities: U.S. Treasury $ 10,939 $ — $ (168 ) $ 10,771 U.S. Government-sponsored enterprises 1,995 — (17 ) 1,978 Corporate 2,510 33 (7 ) 2,536 Municipal 351 2 — 353 Residential mortgage-backed securities: U.S. Government-sponsored enterprises 23,349 324 (194 ) 23,479 Commercial mortgage-backed securities: U.S. Government-sponsored enterprises 8,733 223 — 8,956 U.S. Government-guaranteed 103 — — 103 Collateralized mortgage obligations: U.S. Government-sponsored enterprises 796 14 — 810 U.S. Government-guaranteed 2,641 39 — 2,680 Total securities available for sale $ 51,417 $ 635 $ (386 ) $ 51,666
Investments Classified by Contractual Maturity Date	The amortized cost and fair value of debt securities by contractual maturity at March 31, 2022 are presented below. Expected maturities will differ from contractual maturities because issuers may have the right to call or prepay obligations with or without call or prepayment penalties. Amortized Fair Cost Value (In thousands) Within 1 year $ 2,511 $ 2,504 After 1 year through 5 years 9,344 8,928 After 5 years through 10 years 5,724 5,322 17,579 16,754 Mortgage-backed securities 33,371 32,082 $ 50,950 $ 48,836
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	Information pertaining to securities with gross unrealized losses, aggregated by investment category and length of time that individual securities have been in a continuous loss position, follows: Less Over Twelve Months Gross Gross Unrealized Fair Unrealized Fair Losses Value Losses Value March 31, 2022 (In thousands) Debt securities: U.S. Treasury $ (687 ) $ 10,248 $ — $ — U.S. Government-sponsored enterprises (59 ) 1,937 — — Corporate (80 ) 2,420 — — Residential mortgage-backed securities U.S. Government-sponsored enterprises (1,031 ) 16,288 — — Commercial mortgage-backed securities U.S. Government-sponsored enterprises (211 ) 8,490 — — Collateralized mortgage obligations U.S. Government-sponsored enterprises (22 ) 727 — — U.S. Government-guaranteed (85 ) 2,389 — — Total debt securities $ (2,175 ) $ 42,499 $ — $ — December 31, 2021 U.S. Treasury (168 ) 10,771 $ — $ — U.S. Government-sponsored enterprises (17 ) 1,978 — — Corporate (7 ) 723 — — Residential mortgage-backed securities U.S. Government-sponsored enterprises (194 ) 11,477 — — Total debt securities $ (386 ) $ 24,949 $ — $ —

Loans and Allowance for Loan _2

Loans and Allowance for Loan Losses (Tables)	3 Months Ended
	Mar. 31, 2022
Receivables [Abstract]
Summary of Loan Portfolio	A summary of the loan portfolio is as follows: March 31, 2022 December 31, 2021 (In thousands) Real estate loans: Residential: One- to four-family $ 271,755 $ 236,364 Home equity loans and lines of credit 58,501 57,295 Commercial 199,255 197,423 Construction 32,544 33,961 562,055 525,043 Commercial and industrial 15,478 17,242 Consumer 7,267 7,552 Total loans 584,800 549,837 Allowance for loan losses (6,357 ) (6,289 ) Net deferred loan costs and fees, and purchase premiums 1,148 1,073 $ 579,591 $ 544,621
Summary of Activity in the Allowance for Loan Losses by Loan Category	The following tables present activity in the allowance for loan losses by loan category for the three months ended March 31, 2022 and 2021, and allocation of the allowance to each category as of March 31, 2022 and December 31, 2021: Residential 1-4 Family Second Mortgages and HELOC Commercial Real Estate Construction Commercial and Industrial Consumer Total (In thousands) Three Months Ended March 31, 2022 Allowance at December 31, 2021 $ 1,093 $ 462 $ 3,451 $ 697 $ 499 $ 87 $ 6,289 Provision (credit) for loan losses 142 (11 ) (49 ) 19 (23 ) (7 ) 71 Loans charged-off — — — — — (4 ) (4 ) Recoveries 1 — — — — — 1 Balance at March 31, 2022 $ 1,236 $ 451 $ 3,402 $ 716 $ 476 $ 76 $ 6,357 Three Months Ended March 31, 2021 Allowance at December 31, 2020 $ 1,646 $ 442 $ 3,402 $ 751 $ 416 $ 127 $ 6,784 Provision for loan losses (126 ) (17 ) (12 ) (31 ) (15 ) (12 ) (213 ) Loans charged-off — — — — — (10 ) (10 ) Recoveries 2 — — — — — 2 Balance at March 31, 2021 $ 1,522 $ 425 $ 3,390 $ 720 $ 401 $ 105 $ 6,563
Summary of Additional Information Pertaining to the Allowance for Loan Losses	Additional information pertaining to the allowance for loan losses at March 31, 2022 and December 31, 2021 is as follows: Residential 1-4 Family Second Mortgages and HELOC Commercial Real Estate Construction Commercial and Industrial Consumer Total March 31, 2022 (In thousands) Allowance for impaired loans $ 80 $ — $ — $ — $ — $ — $ 80 Allowance for non-impaired loans 1,156 451 3,402 716 476 76 6,277 Total allowance for loan losses $ 1,236 $ 451 $ 3,402 $ 716 $ 476 $ 76 $ 6,357 Impaired loans $ 3,414 $ 484 $ — $ — $ — $ — $ 3,898 Non-impaired loans 268,341 58,017 199,255 32,544 15,478 7,267 580,902 Total loans $ 271,755 $ 58,501 $ 199,255 $ 32,544 $ 15,478 $ 7,267 $ 584,800 December 31, 2021 Allowance for impaired loans $ 81 $ 19 $ — $ — $ — $ — $ 100 Allowance for non-impaired loans 1,012 443 3,451 697 499 87 6,189 Total allowance for loan losses $ 1,093 $ 462 $ 3,451 $ 697 $ 499 $ 87 $ 6,289 Impaired loans $ 3,255 $ 603 $ — $ — $ — $ — $ 3,858 Non-impaired loans 233,109 56,692 197,423 33,961 17,242 7,552 545,979 Total loans $ 236,364 $ 57,295 $ 197,423 $ 33,961 $ 17,242 $ 7,552 $ 549,837
Schedule of Past Due and Non-Accrual Loans	The following is a summary of past due and non-accrual loans at March 31, 2022 and December 31, 2021: 30 - 59 Days Past Due 60 - 89 Days Past Due 90 Days or More Past Due Total Past Due Non-accrual Loans (In thousands) March 31, 2022 Residential one- to four-family $ 665 $ 223 $ — $ 888 $ 2,299 Home equity loans and lines of credit 172 198 — 370 382 Commercial real estate — — — — — Construction — — — — — Commercial and industrial — — — — — Consumer 15 — — 15 — Total $ 852 $ 421 $ — $ 1,273 $ 2,681 December 31, 2021 Residential one-to-four family $ 701 $ 193 $ — $ 894 $ 2,133 Home equity loans and lines of credit 186 215 — 401 491 Commercial real estate — — — — — Construction — — — — — Commercial and industrial — — — — — Consumer 76 9 — 85 — Total $ 963 $ 417 $ — $ 1,380 $ 2,624
Summary of Impaired Loans and Additional Information Pertaining to Impaired Loans	The following is a summary of impaired loans at March 31, 2022 and December 31, 2021: Recorded Investment Unpaid Principal Balance Related Allowance (In thousands) March 31, 2022 Impaired loans without a valuation allowance: Residential one- to four-family $ 2,529 $ 2,541 Home equity loans and lines of credit 478 484 Total 3,007 3,025 Impaired loans with a valuation allowance: Residential one- to four-family 867 873 $ 80 Total impaired loans $ 3,874 $ 3,898 $ 80 December 31, 2021 Impaired loans without a valuation allowance: Residential one- to four-family $ 2,364 $ 2,377 Home equity loans and lines of credit 479 485 Total 2,843 2,862 Impaired loans with a valuation allowance: Residential one- to four-family 874 878 81 Home equity loans and lines of credit 108 118 19 Total 982 996 100 Total impaired loans $ 3,825 $ 3,858 $ 100 Additional information pertaining to impaired loans follows: Average Interest Cash Basis Recorded Income Interest Investment Recognized Recognized (In thousands) Three Months Ended March 31, 2022 Residential one- to four-family $ 3,430 $ 352 $ 16 Home equity loans and lines of credit 484 21 6 Total $ 3,914 $ 373 $ 22 Three Months Ended March 31, 2021 Residential one- to four-family $ 3,755 $ 18 $ 39 Home equity loans and lines of credit 424 — — Commercial real estate 5,780 — — Total $ 9,959 $ 18 $ 39
Summary of Financing Receivable, Troubled Debt Restructuring	The Company’s troubled debt restructurings consist primarily of interest rate concessions for periods of three months to thirty years for residential real estate loans, and for periods up to one year for commercial real estate loans. Number of Contracts TDRs Listed as Accrual Number of Contracts TDRs Listed as Non-accrual Number of Contracts Total TDRs (In thousands) March 31, 2022 Residential one- to four-family 9 $ 1,097 3 $ 918 12 $ 2,015 Home equity loans and lines of credit 2 96 - — 2 96 Total 11 $ 1,193 3 $ 918 14 $ 2,111 December 31, 2021 Residential one- to four-family 9 $ 1,103 3 $ 919 12 $ 2,022 Home equity loans and lines of credit 2 97 1 109 3 206 Total 11 1,200 4 $ 1,028 15 $ 2,228
Summary of Company's Loans by Risk Rating	The following table presents the Company’s loans by risk rating at the dates indicated: Residential 1-4 Family Second Mortgages and HELOC Commercial Real Estate Construction Commercial and Industrial Consumer Total (In thousands) March 31, 2022 Not Rated $ 269,450 $ 58,121 $ — $ — $ — $ 7,267 $ 334,838 Loans rated 1 - 3B (Pass rated) — — 187,745 32,544 15,174 — 235,463 Loans rated 4 356 380 7,967 — 304 — 9,007 Loans rated 5 1,949 — 3,543 — — — 5,492 $ 271,755 $ 58,501 $ 199,255 $ 32,544 $ 15,478 $ 7,267 $ 584,800 December 31, 2021 Not Rated $ 234,225 $ 56,797 $ — $ — $ — $ 7,552 $ 298,574 Loans rated 1 - 3B (Pass rated) — — 186,774 33,961 16,910 — 237,645 Loans rated 4 361 381 7,106 — 332 — 8,180 Loans rated 5 1,778 117 3,543 — — — 5,438 $ 236,364 $ 57,295 $ 197,423 $ 33,961 $ 17,242 $ 7,552 $ 549,837

Loan Servicing (Tables)

Loan Servicing (Tables)	3 Months Ended
	Mar. 31, 2022
Transfers And Servicing [Abstract]
Summary of Activity Relating to Mortgage Servicing Rights	The following table summarizes the activity relating to mortgage servicing rights (“MSRs”) for the three months ended March 31, 2022 and 2021 (in thousands): March 31, 2022 March 31, 2021 Mortgage servicing rights: Balance at beginning of year $ 18,173 $ 15,372 Additions through originations 377 2,786 Amortization (749 ) (840 ) Balance at end of period $ 17,801 $ 17,318 Valuation allowance: Balance at beginning of year $ 2,558 $ 2,995 Provision (recovery) (135 ) (421 ) Balance at end of period $ 2,423 $ 2,574 Amortized cost, net $ 15,378 $ 14,744 Fair value $ 16,055 $ 15,362

Earnings (Loss) Per Share (Tabl

Earnings (Loss) Per Share (Tables)	3 Months Ended
	Mar. 31, 2022
Earnings Per Share [Abstract]
Schedule of Calculation of Average Number of Shares Outstanding Used to Calculate Basic and Diluted Earnings (Loss) Per Share	The following table sets forth the calculation of the average number of shares outstanding used to calculate the basic and diluted earnings (loss) per share for the periods indicated: Three Months Ended March 31, 2022 2021 Average number of common shares outstanding 5,169,802 5,429,422 Less: Average unallocated ESOP shares (354,477 ) (373,257 ) Average number of common shares outstanding used to calculate basic earnings per share 4,815,325 5,056,165 Effect of dilutive stock options 199,213 198,742 Average number of common shares outstanding used to calculate dilutive earnings per share 5,014,538 5,254,907

Stock-Based Compensation (Table

Stock-Based Compensation (Tables)	3 Months Ended
	Mar. 31, 2022
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Summary of Grants of Options to Purchase Shares of Common Stock	During the three months ended March 31, 2022 and 2021, the Company made the following grants of options to purchase shares of common stock and used the following assumptions in measuring the fair value of such grants: 2022 2021 Options granted — 40,491 Vesting period (years) — 5 Expiration period (years) — 10 Expected volatility — 30.98 % Expected life (years) — 6.2 Expected dividend yield — — Risk free interest rate — 0.64 % Option fair value — $ 6.20
Summary of Stock Options Activity	A summary of stock option activity for the three months ended March 31, 2022 is presented in the table below: Options Stock Option Grants Weighted Average Exercise Price Weighted Average Remaining Contractual Term Aggregate Intrinsic Value Balance at January 1, 2022 599,383 $ 13.80 8.50 $ — Exercised (129,437 ) 14.38 Forfeited (18,247 ) 16.26 Balance at March 31, 2022 451,699 $ 13.53 7.75 $ 5,817,936 Exercisable at March 31, 2022 177,546 $ 14.61 7.00 $ 2,095,529 Unrecognized compensation cost (inclusive of directors' options) $ 885,607 Weighted average remaining recognition period (years) 2.13
Summary of Activity in Restricted Stock Awards Under Equity Plan	The following table presents the activity in restricted stock awards under the Equity Plan for the three months ended March 31, 2022: Restricted Stock Awards Weighted Average Grant Price Performance-Based Restricted Stock Units (1) Weighted Average Grant Price Total Restricted Stock Awards and Performance-Based Restricted Stock Units Weighted Average Grant Price Restricted stock awards at January 1, 2022 99,485 $ 13.93 18,000 $ 20.15 117,485 $ 14.89 Vested (4,614 ) 14.36 — — (4,614 ) 14.36 Forfeited (704 ) 11.48 — — (704 ) 11.48 Restricted stock awards at March 31, 2022 94,167 $ 13.93 18,000 $ 20.15 112,167 $ 14.93 Unrecognized compensation cost $ 957,628 $ 276,944 $ 1,234,572 Weighted average remaining recognition period (years) 2.39 2.04 2.33

Fair Value of Assets and Liab_2

Fair Value of Assets and Liabilities (Tables)	3 Months Ended
	Mar. 31, 2022
Fair Value Disclosures [Abstract]
Schedule of Assets and Liabilities Recorded at Fair Value on a Recurring Basis	Assets and liabilities recorded at fair value on a recurring basis are summarized below. Total Level 1 Level 2 Level 3 Fair (In thousands) March 31, 2022 Assets: Securities available for sale $ — $ 48,836 $ — $ 48,836 Portfolio loans (fair value option) — 10,177 — 10,177 Loans held for sale (fair value option) — 22,698 — 22,698 Derivative loan commitments — 221 — 221 Forward loan sale commitments, including TBAs — 674 — 674 Liabilities: Derivative loan commitments — 199 — 199 Forward loan sale commitments, including TBAs — 13 — 13 December 31, 2021 Assets: Securities available for sale $ — $ 51,666 $ — $ 51,666 Portfolio loans (fair value option) — 13,780 — 13,780 Loans held for sale (fair value option) — 44,766 — 44,766 Derivative loan commitments — 1,364 — 1,364 Forward loan sale commitments — 50 — 50 Liabilities: Forward loan sale commitments, including TBAs — 84 — 84
Schedule of Assets Recorded at Fair Value on a Non-Recurring Basis	The following table summarizes the fair value hierarchy used to determine each adjustment and the carrying value of the related assets as of March 31, 2022 and December 31, 2021. Period Ended March 31, 2022 March 31, 2022 Level 1 Level 2 Level 3 Total Gains (Losses) (In thousands) Collateral dependent impaired loans $ — $ — $ 2,716 $ — Mortgage servicing rights — 15,378 — 135 $ — $ 15,378 $ 2,716 $ 135 December 31, 2021 Level 1 Level 2 Level 3 (In thousands) Collateral dependent impaired loans $ — $ — $ 2,551 Mortgage servicing rights — 15,616 — $ — $ 15,616 $ 2,551
Summary of Carrying Values, Estimated Fair Values and Placement in Fair Value Hierarchy of Company's Financial Instruments	The estimated fair values, and related carrying amounts, of the Company’s financial instruments are presented below. Certain financial instruments and all non-financial instruments are exempt from disclosure requirements. Accordingly, the aggregate fair value amounts presented herein do not represent the underlying fair value of the Company. This table excludes financial instruments for which the carrying amount approximates fair value. Financial assets for which the fair value approximates carrying value include cash and cash equivalents, and accrued interest receivable. Financial liabilities for which the fair value approximates carrying value include mortgagors’ escrow accounts and accrued interest payable. March 31, 2022 Carrying Fair Amount Value Level 1 Level 2 Level 3 (In thousands) Financial assets: Securities available for sale 48,836 48,836 — 48,836 — Loans held for sale 22,698 22,698 — 22,698 — Loans, net 579,591 569,377 — — 569,377 Derivative assets 895 895 — 895 — Financial liabilities: Deposits $ 624,679 $ 624,762 $ — $ 624,762 $ — FHLBB advances 45,000 44,378 — 44,378 — Derivative liabilities 212 212 — 212 — December 31, 2021 Carrying Fair Amount Value Level 1 Level 2 Level 3 (In thousands) Financial assets: Securities available for sale 51,666 51,666 — 51,666 — Loans held for sale 44,766 44,766 — 44,766 — Loans, net 544,621 549,674 — — 549,674 Derivative assets 1,414 1,414 — 1,414 — Financial liabilities: Deposits $ 638,147 637,538 $ — $ 637,538 $ — FHLBB advances 50,000 50,001 50,001 Derivative liabilities 84 84 — 84 —

Commitments and Contingencies (

Commitments and Contingencies (Tables)	3 Months Ended
	Mar. 31, 2022
Commitments And Contingencies Disclosure [Abstract]
Summary of Financial Instruments Outstanding Contract Amounts Represent Credit Risk	The following financial instruments were outstanding, at the dates indicated, whose contract amounts represent credit risk: March 31, 2022 December 31, 2021 (In thousands) Commitments to originate loans $ 85,463 $ 107,889 Unused lines and letters of credit 75,823 79,012 Unadvanced funds on construction loans 13,895 13,879 Overdraft lines of credit 7,787 7,967

Segment Information (Tables)

Segment Information (Tables)	3 Months Ended
	Mar. 31, 2022
Segment Reporting [Abstract]
Summary of Segment Information	Segment information as of and for the three months ended March 31, 2022 follows: For the Three Months Ended March 31, 2022 Envision Bank Envision Mortgage Consolidated Total (in thousands) Net interest income $ 5,011 $ 256 $ 5,267 Provision for loan losses 71 — 71 Net interest income after provision for loan losses 4,940 256 5,196 Non-interest income: Customer service fees 355 10 365 Gain on loan origination and sale activities, net (1) — 1,991 1,991 Mortgage servicing fees, net (205 ) 553 348 Other 99 116 215 Total non-interest income 249 2,670 2,919 Non-interest expenses: Salaries and employee benefits 1,935 3,219 5,154 Occupancy and equipment 512 (147 ) 365 Other non-interest expenses 1,911 1,276 3,187 Total non-interest expenses 4,358 4,348 8,706 Income (loss) before income taxes and elimination of inter-segment profit $ 831 $ (1,422 ) (591 ) Elimination of inter-segment profit (727 ) Income (loss) before income taxes (benefit) (1,318 ) Income tax expense (benefit) (1,083 ) Net income (loss) $ (235 ) Total assets, March 31, 2022 $ 702,326 $ 67,958 $ 770,284 (1) Before elimination of inter-segment profit. Segment information as of and for the three months ended March 31, 2021 follows: For the Three Months Ended March 31, 2021 Envision Bank Envision Mortgage Consolidated Total (in thousands) Net interest income $ 4,201 $ 890 $ 5,091 Provision (credit) for loan losses (213 ) — (213 ) Net interest income after provision (credit) for loan losses 4,414 890 5,304 Non-interest income: Customer service fees 340 27 367 Gain on loan origination and sale activities, net (1) — 11,674 11,674 Mortgage servicing fees, net (94 ) 873 779 Other 151 133 284 Total non-interest income 397 12,707 13,104 Non-interest expenses: Salaries and employee benefits 1,802 6,635 8,437 Occupancy and equipment 443 301 744 Other non-interest expenses 1,087 1,683 2,770 Total non-interest expenses 3,332 8,619 11,951 Income before income taxes and elimination of inter-segment profit $ 1,479 $ 4,978 6,457 Elimination of inter-segment profit (681 ) Income before income taxes 5,776 Income tax expense 1,664 Net income $ 4,112 Total assets, March 31, 2021 $ 581,954 $ 156,234 $ 738,188 (1) Before elimination of inter-segment profit.

Deposits (Tables)

Deposits (Tables)	3 Months Ended
	Mar. 31, 2022
Deposits [Abstract]
Summary of Deposit Balances by Type	A summary of deposit balances, by type is as follows: March 31, 2022 December 31, 2021 (In thousands) Demand deposits $ 142,794 $ 145,666 NOW accounts 53,329 53,996 Money market deposits 92,769 90,544 Regular and other savings accounts 196,145 191,712 Brokered deposits 3,072 10,061 Total non-certificate accounts 488,109 491,979 Term certificates less than $250,000 84,258 85,877 Term certificates of $250,000 or more 22,256 20,235 Term certificates - brokered 30,056 40,056 Total certificate accounts 136,570 146,168 624,679 638,147

Borrowings (Tables)

Borrowings (Tables)	3 Months Ended
	Mar. 31, 2022
Debt Disclosure [Abstract]
Summary of Maturities of Advances from FHLB	Advances consist of funds borrowed from the Federal Home Loan Bank of Boston (the “FHLB”). Maturities of advances from the FHLB as of March 31, 2022 are summarized as follows: March 31, 2022 (In thousands) 2022 $ — 2023 5,000 2024 — 2025 40,000 45,000

Minimum Regulatory Capital Re_2

Minimum Regulatory Capital Requirements (Tables)	3 Months Ended
	Mar. 31, 2022
Banking And Thrifts [Abstract]
Summary of Actual and Minimum Capital Amounts and Ratios Exclusive of Capital Conservation Buffer	The Bank’s actual and minimum capital amounts and ratios, exclusive of the capital conservation buffer, are presented in the following table: Minimum To Be Well For Minimum Capitalized Under Capital Prompt Corrective Actual Adequacy Purposes Action Provisions Amount Ratio Amount Ratio Amount Ratio (Dollars in thousands) March 31, 2022 Total capital (to risk weighted assets) $ 89,621 15.4 % $ 46,423 8.0 % $ 58,029 10.0 % Tier 1 capital (to risk weighted assets) 82,471 14.2 34,817 6.0 46,423 8.0 Common equity Tier 1 capital (to risk weighted assets) 82,471 14.2 26,113 4.5 37,719 6.5 Tier 1 capital (to average assets) 82,471 10.5 31,449 4.0 39,311 5.0 December 31, 2021 Total capital (to risk weighted assets) $ 100,180 17.4 % $ 45,956 8.0 % $ 57,445 10.0 % Tier 1 capital (to risk weighted assets) 93,288 16.2 34,467 6.0 45,956 8.0 Common equity Tier 1 capital (to risk weighted assets) 93,288 16.2 25,850 4.5 37,339 6.5 Tier 1 capital (to average assets) 93,288 12.3 30,355 4.0 37,943 5.0

Leases (Tables)

Leases (Tables)	3 Months Ended
	Mar. 31, 2022
Leases [Abstract]
Undiscounted Cash Flows of Base Rent Related to Operating Leases with Payments	The following table sets forth the undiscounted cash flows of base rent related to operating leases at March 31, 2022 with payments scheduled over the next five years and thereafter, including a reconciliation to the operating lease liability. March 31, 2022 (In thousands) 2022 $ 514 2023 486 2024 344 2025 256 2026 226 2027 96 Thereafter — Total minimum lease payments 1,922 Less: amount representing interest (80 ) Present value of future minimum lease payments 1,842

Mortgage Banking Income (Tables

Mortgage Banking Income (Tables)	3 Months Ended
	Mar. 31, 2022
Mortgage Banking [Abstract]
Components of Gain on Loan Origination and Sale Activities and Mortgage Servicing Fees	The components of gain on loan origination and sale activities and mortgage servicing fees for the three months ended March 31, 2022 and 2021 are as follows: For the Three Months Ended March 31, 2022 2021 (In thousands) Gain on loan origination and sale activities, net Gain on sale of mortgage loans and realized gain from derivative financial instruments, net $ 3,093 $ 15,876 Net change in fair value of loans held for sale and portfolio loans accounted for at fair value (1,559 ) (3,816 ) Capitalized residential mortgage loan servicing rights 377 2,797 Net change in fair value of derivative loan commitments and forward loan sale commitments (647 ) (3,864 ) Gain on loan origination and sales activities, net $ 1,264 $ 10,993 Mortgage servicing fees, net Residential mortgage loan servicing fees $ 1,277 $ 1,170 Amortization of residential mortgage loan servicing rights (749 ) (812 ) Release (provision) to the valuation allowance of mortgage loan servicing rights 135 421 Sub-servicer expenses (1) (315 ) — Mortgage servicing fees, net $ 348 $ 779 Total gain on loan origination and sales activities and mortgage servicing fees, net $ 1,612 $ 11,772 (1) Sub-servicer expenses were first incurred during the third quarter of 2021, due to the conversion of the Company’s mortgage loan servicing portfolio. Previously, all expenses related to servicing mortgage loans serviced for others were included in non-interest expenses.

Recent Accounting Pronounceme_3

Recent Accounting Pronouncements - Additional Information (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021
Right-of-use assets related to operating leases	$ 1,800	$ 1,800	$ 1,100
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets	Other assets
Liabilities	$ 681,806	$ 702,375
Other Liabilities [Member]
Liabilities			$ 1,100

Accumulated Other Comprehensi_3

Accumulated Other Comprehensive Income (Loss) - Components of Accumulated Other Comprehensive Income (Loss) and Related Tax Effects (Detail) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total other comprehensive income (loss)	$ (1,818)	$ (794)
Accumulated other comprehensive income, net of tax	(1,999)		$ (181)
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net unrealized gain (loss)	(2,114)		249
Other comprehensive Loss, Tax effect	478		(64)
Total other comprehensive income (loss)	(1,636)		185
Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net unrealized gain (loss)	(635)		(646)
Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net unrealized gain (loss)	214		222
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net unrealized gain (loss)	(421)		(424)
Other comprehensive Loss, Tax effect	58		58
Total other comprehensive income (loss)	$ (363)		$ (366)

Securities Available for Sale -

Securities Available for Sale - Schedule of Amortized Cost and Fair Value of Securities (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 50,950	$ 51,417
Gross Unrealized Gains	61	635
Gross Unrealized Losses	(2,175)	(386)
Fair Value	48,836	51,666
U.S. Treasury [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	12,732	10,939
Gross Unrealized Losses	(687)	(168)
Fair Value	12,045	10,771
US Government-sponsored Enterprises [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	1,996	1,995
Gross Unrealized Losses	(59)	(17)
Fair Value	1,937	1,978
Corporate [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	2,501	2,510
Gross Unrealized Gains		33
Gross Unrealized Losses	(80)	(7)
Fair Value	2,421	2,536
Municipal [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	350	351
Gross Unrealized Gains	1	2
Fair Value	351	353
Residential Mortgage-backed Securities, US Government Sponsored Enterprises [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	21,447	23,349
Gross Unrealized Gains	60	324
Gross Unrealized Losses	(1,031)	(194)
Fair Value	20,476	23,479
Commercial Mortgage-backed Securities, US Government Sponsored Enterprises [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	8,701	8,733
Gross Unrealized Gains		223
Gross Unrealized Losses	(211)
Fair Value	8,490	8,956
Commercial Mortgage Backed Securities, U.S. Government-guaranteed [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		103
Fair Value		103
Collateralized Mortgage Obligations, US Government Sponsored Enterprises [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	749	796
Gross Unrealized Gains		14
Gross Unrealized Losses	(22)
Fair Value	727	810
Collateralized Mortgage Obligations, US Government Guaranteed [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	2,474	2,641
Gross Unrealized Gains		39
Gross Unrealized Losses	(85)
Fair Value	$ 2,389	$ 2,680

Securities Available for Sale_2

Securities Available for Sale - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2022USD ($)Debt_Security	Mar. 31, 2021USD ($)	Dec. 31, 2021Debt_Security
Investments Debt And Equity Securities [Abstract]
Proceeds from sales of available-for-sale securities | $	$ 0	$ 0
Number of debt securities with unrealized losses | Debt_Security	50		17
Unrealized losses debt securities aggregate depreciation percentage	4.87%

Securities Available for Sale_3

Securities Available for Sale - Investments Classified by Contractual Maturity Date (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Available-for-sale Securities, Debt Maturities, Amortized Cost
Within 1 year	$ 2,511
After 1 year through 5 years	9,344
After 5 years through 10 years	5,724
Available-for-sale Securities, Debt Maturities, Single Maturity Date, Amortized Cost Basis, Total	17,579
Mortgage-backed securities	33,371
Amortized Cost	50,950	$ 51,417
Available-for-sale Securities, Debt Maturities, Fair Value
Within 1 year	2,504
After 1 year through 5 years	8,928
After 5 years through 10 years	5,322
Available-for-sale Securities, Debt Maturities, Single Maturity Date, Fair Value Total	16,754
Mortgage-backed securities	32,082
Available-for-sale Securities, Debt Securities, Fair Value Total	$ 48,836	$ 51,666

Securities Available for Sale_4

Securities Available for Sale - Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Schedule of Available-for-sale Securities [Line Items]
Less Than Twelve Months, Gross Unrealized Losses	$ (2,175)	$ (386)
Less Than Twelve Months, Fair Value	42,499	24,949
U.S. Treasury [Member]
Schedule of Available-for-sale Securities [Line Items]
Less Than Twelve Months, Gross Unrealized Losses	(687)	(168)
Less Than Twelve Months, Fair Value	10,248	10,771
US Government-sponsored Enterprises [Member]
Schedule of Available-for-sale Securities [Line Items]
Less Than Twelve Months, Gross Unrealized Losses	(59)	(17)
Less Than Twelve Months, Fair Value	1,937	1,978
Corporate [Member]
Schedule of Available-for-sale Securities [Line Items]
Less Than Twelve Months, Gross Unrealized Losses	(80)	(7)
Less Than Twelve Months, Fair Value	2,420	723
Commercial Mortgage-backed Securities, US Government Sponsored Enterprises [Member]
Schedule of Available-for-sale Securities [Line Items]
Less Than Twelve Months, Gross Unrealized Losses	(211)
Less Than Twelve Months, Fair Value	8,490
Collateralized Mortgage Obligations, US Government Sponsored Enterprises [Member]
Schedule of Available-for-sale Securities [Line Items]
Less Than Twelve Months, Gross Unrealized Losses	(22)
Less Than Twelve Months, Fair Value	727
Commercial Mortgage Backed Securities, U.S. Government-guaranteed [Member]
Schedule of Available-for-sale Securities [Line Items]
Less Than Twelve Months, Gross Unrealized Losses	(85)
Less Than Twelve Months, Fair Value	2,389
Residential Mortgage-backed Securities, US Government Sponsored Enterprises [Member]
Schedule of Available-for-sale Securities [Line Items]
Less Than Twelve Months, Gross Unrealized Losses	(1,031)	(194)
Less Than Twelve Months, Fair Value	$ 16,288	$ 11,477

Loans and Allowance for Loan _3

Loans and Allowance for Loan Losses - Summary of Loan Portfolio (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 584,800	$ 549,837
Allowance for loan losses	(6,357)	(6,289)
Net deferred loan costs and fees, and purchase premiums	1,148	1,073
Total loans, net	579,591	544,621
Real Estate Sector [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	562,055	525,043
Commercial Real Estate Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	199,255	197,423
Commercial Real Estate Loans [Member] | Real Estate Sector [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	199,255	197,423
Commercial and Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	15,478	17,242
Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	7,267	7,552
One-to-Four Family [Member] | Residential Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	271,755	236,364
One-to-Four Family [Member] | Residential Real Estate [Member] | Real Estate Sector [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	271,755	236,364
Home Equity Loans and Lines of Credit [Member] | Residential Real Estate [Member] | Real Estate Sector [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	58,501	57,295
Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	32,544	33,961
Construction [Member] | Real Estate Sector [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 32,544	$ 33,961

Loans and Allowance for Loan _4

Loans and Allowance for Loan Losses - Summary of Activity in the Allowance for Loan Losses by Loan Category (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	$ 6,289	$ 6,784
Provision (credit) for loan losses	71	(213)
Loans charged-off	(4)	(10)
Recoveries	1	2
Ending balance	6,357	6,563
Commercial Real Estate Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	3,451	3,402
Provision (credit) for loan losses	(49)	(12)
Ending balance	3,402	3,390
Commercial and Industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	499	416
Provision (credit) for loan losses	(23)	(15)
Ending balance	476	401
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	87	127
Provision (credit) for loan losses	(7)	(12)
Loans charged-off	(4)	(10)
Ending balance	76	105
One-to-Four Family [Member] | Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	1,093	1,646
Provision (credit) for loan losses	142	(126)
Recoveries	1	2
Ending balance	1,236	1,522
Second Mortgages and HELOC [Member] | Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	462	442
Provision (credit) for loan losses	(11)	(17)
Ending balance	451	425
Construction [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	697	751
Provision (credit) for loan losses	19	(31)
Ending balance	$ 716	$ 720

Loans and Allowance for Loan _5

Loans and Allowance for Loan Losses - Summary of Additional Information Pertaining to the Allowance for Loan Losses (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for impaired loans	$ 80	$ 100
Allowance for non-impaired loans	6,277	6,189
Total allowance for loan losses	6,357	6,289	$ 6,563	$ 6,784
Impaired loans	3,898	3,858
Non-impaired loans	580,902	545,979
Total loans	584,800	549,837
Commercial Real Estate Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for non-impaired loans	3,402	3,451
Total allowance for loan losses	3,402	3,451	3,390	3,402
Non-impaired loans	199,255	197,423
Total loans	199,255	197,423
Commercial and Industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for non-impaired loans	476	499
Total allowance for loan losses	476	499	401	416
Non-impaired loans	15,478	17,242
Total loans	15,478	17,242
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for non-impaired loans	76	87
Total allowance for loan losses	76	87	105	127
Non-impaired loans	7,267	7,552
Total loans	7,267	7,552
One-to-Four Family [Member] | Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for impaired loans	80	81
Allowance for non-impaired loans	1,156	1,012
Total allowance for loan losses	1,236	1,093	1,522	1,646
Impaired loans	3,414	3,255
Non-impaired loans	268,341	233,109
Total loans	271,755	236,364
Second Mortgages and HELOC [Member] | Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for impaired loans		19
Allowance for non-impaired loans	451	443
Total allowance for loan losses	451	462	425	442
Impaired loans	484	603
Non-impaired loans	58,017	56,692
Total loans	58,501	57,295
Construction [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for non-impaired loans	716	697
Total allowance for loan losses	716	697	$ 720	$ 751
Non-impaired loans	32,544	33,961
Total loans	$ 32,544	$ 33,961

Loans and Allowance for Loan _6

Loans and Allowance for Loan Losses - Schedule of Past Due and Non-Accrual Loans (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	$ 1,273	$ 1,380
Non-accrual Loans	2,681	2,624
Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	15	85
One-to-Four Family [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	888	894
Non-accrual Loans	2,299	2,133
Home Equity Loans and Lines of Credit [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	370	401
Non-accrual Loans	382	491
30 - 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	852	963
30 - 59 Days Past Due [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	15	76
30 - 59 Days Past Due [Member] | One-to-Four Family [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	665	701
30 - 59 Days Past Due [Member] | Home Equity Loans and Lines of Credit [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	172	186
60 - 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	421	417
60 - 89 Days Past Due [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		9
60 - 89 Days Past Due [Member] | One-to-Four Family [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	223	193
60 - 89 Days Past Due [Member] | Home Equity Loans and Lines of Credit [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	$ 198	$ 215

Loans and Allowance for Loan _7

Loans and Allowance for Loan Losses - Summary of Impaired Loans (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Financing Receivable, Impaired [Line Items]
Recorded Investment without a valuation allowance	$ 3,007	$ 2,843
Unpaid Principal Balance without a valuation allowance	3,025	2,862
Recorded Investment with a valuation allowance		982
Unpaid Principal Balance with a valuation allowance		996
Related Allowance, Total impaired loans	80	100
Recorded Investment, Total impaired loans	3,874	3,825
Unpaid Principal Balance, Total impaired loans	3,898	3,858
One-to-Four Family [Member] | Residential Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment without a valuation allowance	2,529	2,364
Unpaid Principal Balance without a valuation allowance	2,541	2,377
Recorded Investment with a valuation allowance	867	874
Unpaid Principal Balance with a valuation allowance	873	878
Related Allowance, Total impaired loans	80	81
Home Equity Loans and Lines of Credit [Member] | Residential Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment without a valuation allowance	478	479
Unpaid Principal Balance without a valuation allowance	$ 484	485
Recorded Investment with a valuation allowance		108
Unpaid Principal Balance with a valuation allowance		118
Related Allowance, Total impaired loans		$ 19

Loans and Allowance for Loan _8

Loans and Allowance for Loan Losses - Summary of Additional Information Pertaining to Impaired Loans (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	$ 3,914	$ 9,959
Interest Income Recognized	373	18
Cash Basis Interest Recognized	22	39
Residential Real Estate [Member] | One-to-Four Family [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	3,430	3,755
Interest Income Recognized	352	18
Cash Basis Interest Recognized	16	39
Residential Real Estate [Member] | Home Equity Loans and Lines of Credit [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	484	424
Interest Income Recognized	21
Cash Basis Interest Recognized	$ 6
Commercial Real Estate Loans [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment		$ 5,780

Loans and Allowance for Loan _9

Loans and Allowance for Loan Losses - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2022USD ($)TDR	Mar. 31, 2021USD ($)TDR
Accounts, Notes, Loans and Financing Receivable [Line Items]
Impaired loans, additional funds committed	$ 0
Loans subject to troubled debt restructurings | TDR	0	0
Allowances related to troubled debt restructurings	$ 0	$ 0
30 - 59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled debt restructurings defaulted over 30 days past due	$ 0	$ 0
Residential Real Estate [Member] | Minimum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled debt restructuring, interest rate concession period	3 months
Residential Real Estate [Member] | Maximum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled debt restructuring, interest rate concession period	30 years
Commercial Real Estate Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled debt restructuring, interest rate concession period	1 year

Loans and Allowance for Loan_10

Loans and Allowance for Loan Losses - Schedule of Troubled Debt Restructuring (Detail) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2022USD ($)OfficeLeaseContract	Dec. 31, 2021USD ($)OfficeLeaseContract
Financing Receivable Modifications [Line Items]
Number of Contracts | Contract	14	15
TDRs Listed as Accrual	$ 2,111	$ 2,228
Trouble Debt Restructurings Listed As Accrual
Financing Receivable Modifications [Line Items]
Number of Contracts | Office	11	11
TDRs Listed as Accrual	$ 1,193	$ 1,200
Trouble Debt Restructurings Listed As Non Accrual
Financing Receivable Modifications [Line Items]
Number of Contracts | Lease	3	4
TDRs Listed as Accrual	$ 918	$ 1,028
Residential Real Estate [Member] | One-to-Four Family [Member]
Financing Receivable Modifications [Line Items]
Number of Contracts | Contract	12	12
TDRs Listed as Accrual	$ 2,015	$ 2,022
Residential Real Estate [Member] | Home Equity Loans and Lines of Credit [Member]
Financing Receivable Modifications [Line Items]
Number of Contracts | Contract	2	3
TDRs Listed as Accrual	$ 96	$ 206
Residential Real Estate [Member] | Trouble Debt Restructurings Listed As Accrual | One-to-Four Family [Member]
Financing Receivable Modifications [Line Items]
Number of Contracts | Office	9	9
TDRs Listed as Accrual	$ 1,097	$ 1,103
Residential Real Estate [Member] | Trouble Debt Restructurings Listed As Accrual | Home Equity Loans and Lines of Credit [Member]
Financing Receivable Modifications [Line Items]
Number of Contracts | Office	2	2
TDRs Listed as Accrual	$ 96	$ 97
Residential Real Estate [Member] | Trouble Debt Restructurings Listed As Non Accrual | One-to-Four Family [Member]
Financing Receivable Modifications [Line Items]
Number of Contracts | Lease	3	3
TDRs Listed as Accrual	$ 918	$ 919
Residential Real Estate [Member] | Trouble Debt Restructurings Listed As Non Accrual | Home Equity Loans and Lines of Credit [Member]
Financing Receivable Modifications [Line Items]
Number of Contracts | Lease		1
TDRs Listed as Accrual		$ 109

Loans and Allowance for Loan_11

Loans and Allowance for Loan Losses - Summary of Company's Loans by Risk Rating (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	$ 584,800	$ 549,837
Note Rated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	334,838	298,574
Pass [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	235,463	237,645
Special Mention [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	9,007	8,180
Substandard [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	5,492	5,438
Commercial Real Estate Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	199,255	197,423
Commercial Real Estate Loans [Member] | Pass [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	187,745	186,774
Commercial Real Estate Loans [Member] | Special Mention [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	7,967	7,106
Commercial Real Estate Loans [Member] | Substandard [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	3,543	3,543
Commercial and Industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	15,478	17,242
Commercial and Industrial [Member] | Pass [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	15,174	16,910
Commercial and Industrial [Member] | Special Mention [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	304	332
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	7,267	7,552
Consumer [Member] | Note Rated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	7,267	7,552
One-to-Four Family [Member] | Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	271,755	236,364
One-to-Four Family [Member] | Residential Real Estate [Member] | Note Rated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	269,450	234,225
One-to-Four Family [Member] | Residential Real Estate [Member] | Special Mention [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	356	361
One-to-Four Family [Member] | Residential Real Estate [Member] | Substandard [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	1,949	1,778
Second Mortgages and HELOC [Member] | Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	58,501	57,295
Second Mortgages and HELOC [Member] | Residential Real Estate [Member] | Note Rated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	58,121	56,797
Second Mortgages and HELOC [Member] | Residential Real Estate [Member] | Special Mention [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	380	381
Second Mortgages and HELOC [Member] | Residential Real Estate [Member] | Substandard [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans		117
Construction [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	32,544	33,961
Construction [Member] | Pass [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	$ 32,544	$ 33,961

Loan Servicing - Additional Inf

Loan Servicing - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Transfers And Servicing [Abstract]
Unpaid principal balances of residential mortgage loans serviced for others	$ 1,950,000,000		$ 1,980,000,000
Custodial Escrow balances	16,500,000		$ 16,600,000
Increase (reduced) the valuation allowance of mortgage servicing rights	$ (135,000)	$ 421,000

Loan Servicing - Summary of Act

Loan Servicing - Summary of Activity Relating to Mortgage Servicing Rights (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Mortgage servicing rights:
Balance at beginning of year	$ 18,173	$ 15,372
Additions through originations	377	2,786
Amortization	(749)	(840)
Balance at end of period	17,801	17,318
Valuation allowance:
Balance at beginning of year	2,558	2,995
Provision (recovery)	(135)	(421)
Balance at end of period	2,423	2,574
Amortized cost, net	15,378	14,744
Fair value	$ 16,055	$ 15,362

On-Balance Sheet Derivative I_2

On-Balance Sheet Derivative Instruments and Hedging Activities - Additional Information (Detail) - USD ($)	Mar. 31, 2022	Dec. 31, 2021
Derivative [Line Items]
Derivative fair value, Asset	$ 895,000	$ 1,414,000
Derivative fair value, Liability	212,000	84,000
Derivative Loan Commitments [Member]
Derivative [Line Items]
Derivative, Notional amount	42,678,000	85,887,000
Undesignated Forward Loan Sale Commitments and TBA Securities [Member]
Derivative [Line Items]
Derivative, Notional amount	44,132,000	80,407,000
Other Assets [Member] | Derivative Loan Commitments [Member]
Derivative [Line Items]
Derivative fair value, Asset	221,000	1,364,000
Other Assets [Member] | Undesignated Forward Loan Sale Commitments and TBA Securities [Member]
Derivative [Line Items]
Derivative fair value, Asset	674,000	50,000
Other Liabilities [Member] | Derivative Loan Commitments [Member]
Derivative [Line Items]
Derivative fair value, Liability	199,000	0
Other Liabilities [Member] | Undesignated Forward Loan Sale Commitments and TBA Securities [Member]
Derivative [Line Items]
Derivative fair value, Liability	$ 13,000	$ 84,000

Employee Stock Ownership Plan -

Employee Stock Ownership Plan - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Employee Stock Ownership Plan E S O P Disclosures [Line Items]
Loan repaid term	25 years
Number of allocated shares	18,780
Annual allocation of shares, expiration year	2040
ESOP expense	$ 112,000	$ 94,000
Unallocated shares	352,187
Unallocated shares, value	$ 9,301,000
Common Stock [Member]
Employee Stock Ownership Plan E S O P Disclosures [Line Items]
Sale of stock, price per share	$ 10
The Randolph Savings Charitable Foundation, Inc. [Member]
Employee Stock Ownership Plan E S O P Disclosures [Line Items]
Sale of share in employee stock ownership plan	469,498

Share Repurchase Program - Addi

Share Repurchase Program - Additional Information (Detail) - USD ($)	Jan. 25, 2022	Oct. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Class Of Stock [Line Items]
Cost of shares repurchased			$ 1,327,000	$ 2,652,000
October 2021 Share Repurchase Program [Member]
Class Of Stock [Line Items]
Stock repurchase program percentage of outstanding shares repurchased	1.00%	10.00%
Number of shares authorized to repurchase	62,000	510,000
Number of shares repurchased			62,000
Cost of shares repurchased			$ 1,402,000

Earnings (Loss) Per Share - Sch

Earnings (Loss) Per Share - Schedule of Calculation of Average Number of Shares Outstanding Used to Calculate Basic and Diluted Earnings (Loss) Per Share (Detail) - shares	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Earnings Per Share [Abstract]
Average number of common shares outstanding	5,169,802	5,429,422
Less: Average unallocated ESOP shares	(354,477)	(373,257)
Average number of common shares outstanding used to calculate basic earnings per share	4,815,325	5,056,165
Effect of dilutive stock options	199,213	198,742
Average number of common shares outstanding used to calculate dilutive earnings per share	5,014,538	5,254,907

Stock-Based Compensation - Addi

Stock-Based Compensation - Additional Information (Detail) - USD ($)	Aug. 13, 2021	Mar. 31, 2022	Mar. 31, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Options granted			40,491
Stock Options [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock option term			10 years
Options and awards vesting period			5 years
Stock-based compensation expense		$ 93,000	$ 142,000
Restricted Stock Awards and Performance-Based Restricted Stock Units [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense		$ 191,000	$ 125,000
Two Thousand Seventeen Stock Option and Incentive Plan [Member] | Stock Options [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares reserved for issuance		586,872
Stock option term		10 years
Two Thousand Seventeen Stock Option and Incentive Plan [Member] | Restricted Stock [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares reserved for issuance		234,749
Two Thousand Seventeen Stock Option and Incentive Plan [Member] | Minimum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Options and awards vesting period		3 years
Two Thousand Seventeen Stock Option and Incentive Plan [Member] | Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Options and awards vesting period		5 years
2020 Inducement Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Options and awards vesting period		5 years
2020 Inducement Plan [Member] | Stock Options [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Options granted		44,118
2020 Inducement Plan [Member] | Restricted Stock [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Awards granted		15,000
2021 Equity Plan [Member] | Restricted Stock [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Options and awards vesting period	3 years
Awards granted	19,750
2021 Equity Plan [Member] | Performance Shares [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Awards granted	18,000
Grant date fair value per share	$ 20.15
2021 Equity Plan [Member] | Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares reserved for issuance		100,000

Stock Based Compensation - Summ

Stock Based Compensation - Summary of Grants of Options to Purchase Shares of Common Stock (Detail)	3 Months Ended
	Mar. 31, 2021$ / sharesshares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Options granted | shares	40,491
Stock Options [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period (years)	5 years
Expiration period (years)	10 years
Expected volatility	30.98%
Expected life (years)	6 years 2 months 12 days
Risk free interest rate	0.64%
Option fair value | $ / shares	$ 6.20

Stock-Based Compensation - Summ

Stock-Based Compensation - Summary of Stock Options Activity (Detail) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Stock Option Grants
Beginning Balance	599,383
Exercised	(129,437)
Forfeited	(18,247)
Ending Balance	451,699	599,383
Exercisable at March 31, 2022	177,546
Unrecognized compensation cost (inclusive of directors' options)	$ 885,607
Weighted Average Exercise Price
Beginning Balance	$ 13.80
Exercised	14.38
Forfeited	16.26
Ending Balance	13.53	$ 13.80
Exercisable at March 31, 2022	$ 14.61
Weighted Average Remaining Contractual Term and Aggregate Intrinsic Value
Weighted Average Remaining Contractual Term	7 years 9 months	8 years 6 months
Weighted Average Remaining Contractual Term, Exercisable	7 years
Aggregate Intrinsic Value, Outstanding	$ 5,817,936
Aggregate Intrinsic Value, Exercisable	$ 2,095,529
Stock Options [Member]
Stock Option Grants
Weighted average remaining recognition period (years)	2 years 1 month 17 days

Stock-Based Compensation - Su_2

Stock-Based Compensation - Summary of Activity in Restricted Stock Awards Under Equity Plan (Detail)	3 Months Ended
	Mar. 31, 2022USD ($)$ / sharesshares
Restricted Stock Awards [Member]
Restricted Stock Awards
Beginning Balance | shares	99,485
Vested | shares	(4,614)
Forfeited | shares	(704)
Ending Balance | shares	94,167
Unrecognized compensation cost | $	$ 957,628
Weighted average remaining recognition period (years)	2 years 4 months 20 days
Weighted Average Grant Price
Beginning Balance | $ / shares	$ 13.93
Vested | $ / shares	14.36
Forfeited | $ / shares	11.48
Ending Balance | $ / shares	$ 13.93
Performance-Based Restricted Stock Units [Member]
Restricted Stock Awards
Beginning Balance | shares	18,000
Ending Balance | shares	18,000
Unrecognized compensation cost | $	$ 276,944
Weighted average remaining recognition period (years)	2 years 14 days
Weighted Average Grant Price
Beginning Balance | $ / shares	$ 20.15
Ending Balance | $ / shares	$ 20.15
Total Restricted Stock Awards and Performance-Based Restricted Stock Units [Member]
Restricted Stock Awards
Beginning Balance | shares	117,485
Vested | shares	(4,614)
Forfeited | shares	(704)
Ending Balance | shares	112,167
Unrecognized compensation cost | $	$ 1,234,572
Weighted average remaining recognition period (years)	2 years 3 months 29 days
Weighted Average Grant Price
Beginning Balance | $ / shares	$ 14.89
Vested | $ / shares	14.36
Forfeited | $ / shares	11.48
Ending Balance | $ / shares	$ 14.93

Fair Value of Assets and Liab_3

Fair Value of Assets and Liabilities - Schedule of Assets and Liabilities Recorded at Fair Value on a Recurring Basis (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	$ 48,836	$ 51,666
Fair value, Loans held for sale	22,698	44,766
Derivative assets	895	1,414
Derivative liabilities	212	84
Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	48,836	51,666
Fair value, Loans held for sale	22,698	44,766
Derivative assets	895	1,414
Derivative liabilities	212	84
Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	48,836	51,666
Fair value, Portfolio loans	10,177	13,780
Fair value, Loans held for sale	22,698	44,766
Fair Value, Measurements, Recurring [Member] | Derivative Loan Commitments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	221	1,364
Derivative liabilities	199
Fair Value, Measurements, Recurring [Member] | Forward Loan Sale Commitments, including TBAs [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	674
Derivative liabilities	13	84
Fair Value, Measurements, Recurring [Member] | Forward Loan Sale Commitments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets		50
Fair Value, Measurements, Recurring [Member] | Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale, at fair value	48,836	51,666
Fair value, Portfolio loans	10,177	13,780
Fair value, Loans held for sale	22,698	44,766
Fair Value, Measurements, Recurring [Member] | Level 2 [Member] | Derivative Loan Commitments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	221	1,364
Derivative liabilities	199
Fair Value, Measurements, Recurring [Member] | Level 2 [Member] | Forward Loan Sale Commitments, including TBAs [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	674
Derivative liabilities	$ 13	84
Fair Value, Measurements, Recurring [Member] | Level 2 [Member] | Forward Loan Sale Commitments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets		$ 50

Fair Value of Assets and Liab_4

Fair Value of Assets and Liabilities - Additional information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value, assets, level 1 to level 2 transfers, amount	$ 0	$ 0
Fair value, assets, level 2 to level 1 transfers, amount	0	0
Fair value, liabilities, level 1 to level 2 transfers, amount	0	0
Fair value, liabilities, level 2 to level 1 transfers, amount	0	0
Increase (reduced) the valuation allowance of mortgage servicing rights	(135,000)	$ 421,000
Fair Value, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liabilities measured at fair value on nonrecurring basis	$ 0		$ 0

Fair Value of Assets and Liab_5

Fair Value of Assets and Liabilities - Schedule of Assets Recorded at Fair Value on a Non-Recurring Basis (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mortgage servicing rights, fair value	$ 16,055		$ 15,362
Fair Value, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Gains (losses) on assets held, mortgage servicing rights	135
Gains (Losses) on assets held	135
Fair Value, Nonrecurring | Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mortgage servicing rights, fair value	15,378	$ 15,616
Assets, Fair Value Disclosure	15,378	15,616
Fair Value, Nonrecurring | Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent impaired loans, fair value	2,716	2,551
Assets, Fair Value Disclosure	$ 2,716	$ 2,551

Fair Value of Assets and Liab_6

Fair Value of Assets and Liabilities - Summary of Carrying Values, Estimated Fair Values and Placement in Fair Value Hierarchy of Company's Financial Instruments (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Financial assets:
Securities available for sale	$ 48,836	$ 51,666
Loans held for sale	22,698	44,766
Loans, net	579,591	544,621
Derivative assets	895	1,414
Financial liabilities:
Deposits	624,679	638,147
FHLBB advances	45,000	50,000
Derivative liabilities	212	84
Level 2 [Member]
Financial assets:
Securities available for sale	48,836	51,666
Loans held for sale	22,698	44,766
Derivative assets	895	1,414
Financial liabilities:
Deposits	624,762	637,538
FHLBB advances	44,378	50,001
Derivative liabilities	212	84
Level 3 [Member]
Financial assets:
Loans, net	569,377	549,674
Fair Value [Member]
Financial assets:
Securities available for sale	48,836	51,666
Loans held for sale	22,698	44,766
Loans, net	569,377	549,674
Derivative assets	895	1,414
Financial liabilities:
Deposits	624,762	637,538
FHLBB advances	44,378	50,001
Derivative liabilities	$ 212	$ 84

Commitments and Contingencies -

Commitments and Contingencies - Summary of Financial Instruments Outstanding Contract Amounts Represent Credit Risk (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Commitments to Originate Loans [Member]
Fair Value Off Balance Sheet Risks Disclosure Information [Line Items]
Financial instruments with off-balance-sheet risk	$ 85,463	$ 107,889
Unused Lines and Letters of Credit [Member]
Fair Value Off Balance Sheet Risks Disclosure Information [Line Items]
Financial instruments with off-balance-sheet risk	75,823	79,012
Unadvanced Funds on Construction Loans [Member]
Fair Value Off Balance Sheet Risks Disclosure Information [Line Items]
Financial instruments with off-balance-sheet risk	13,895	13,879
Overdraft Lines of Credit [Member]
Fair Value Off Balance Sheet Risks Disclosure Information [Line Items]
Financial instruments with off-balance-sheet risk	$ 7,787	$ 7,967

Segment Information - Additiona

Segment Information - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2022USD ($)OfficeSegment	Mar. 31, 2021USD ($)
Segment Reporting Information [Line Items]
Number of business segments | Segment	2
Number of branch offices | Office	5
Servicing fees amount	$ (348,000)	$ (779,000)
Envision Mortgage [Member]
Segment Reporting Information [Line Items]
Premium percentage for new loans	1.50%	1.50%
Premium income	$ 727,000	$ 681,000
Percentage of fees for HELOC	1.00%	1.00%
Servicing fees amount	$ (553,000)	$ (873,000)
Envision Bank [Member]
Segment Reporting Information [Line Items]
Percentage of loan servicing fees	0.25%	0.14%
Servicing fees amount	$ 205,000	$ 94,000

Segment Information - Summary o

Segment Information - Summary of Segment Information (Detail) - USD ($)		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Segment Reporting Information [Line Items]
Net interest income		$ 5,267,000	$ 5,091,000
Provision (credit) for loan losses		71,000	(213,000)
Net interest income after provision (credit) for loan losses		5,196,000	5,304,000
Non-interest income:
Customer service fees		365,000	367,000
Gain on loan origination and sale activities, net	[1]	1,991,000	11,674,000
Mortgage servicing fees, net		348,000	779,000
Other		215,000	284,000
Total non-interest income		2,919,000	13,104,000
Non-interest expenses:
Salaries and employee benefits		5,154,000	8,437,000
Occupancy and equipment		365,000	744,000
Other non-interest expenses		3,187,000	2,770,000
Total non-interest expenses		8,706,000	11,951,000
Income (loss) before income taxes and elimination of inter-segment profit		(591,000)	6,457,000
Elimination of inter-segment profit		(727,000)	(681,000)
Income (loss) before income taxes		(1,318,000)	5,776,000
Income tax expense (benefit)		(1,083,000)	1,664,000
Net income (loss)		(235,000)	4,112,000
Total assets		770,284,000	738,188,000	$ 803,278,000
Envision Bank [Member]
Segment Reporting Information [Line Items]
Net interest income		5,011,000	4,201,000
Provision (credit) for loan losses		71,000	(213,000)
Net interest income after provision (credit) for loan losses		4,940,000	4,414,000
Non-interest income:
Customer service fees		355,000	340,000
Mortgage servicing fees, net		(205,000)	(94,000)
Other		99,000	151,000
Total non-interest income		249,000	397,000
Non-interest expenses:
Salaries and employee benefits		1,935,000	1,802,000
Occupancy and equipment		512,000	443,000
Other non-interest expenses		1,911,000	1,087,000
Total non-interest expenses		4,358,000	3,332,000
Income (loss) before income taxes and elimination of inter-segment profit		831,000	1,479,000
Total assets		702,326,000	581,954,000
Envision Mortgage [Member]
Segment Reporting Information [Line Items]
Net interest income		256,000	890,000
Net interest income after provision (credit) for loan losses		256,000	890,000
Non-interest income:
Customer service fees		10,000	27,000
Gain on loan origination and sale activities, net	[1]	1,991,000	11,674,000
Mortgage servicing fees, net		553,000	873,000
Other		116,000	133,000
Total non-interest income		2,670,000	12,707,000
Non-interest expenses:
Salaries and employee benefits		3,219,000	6,635,000
Occupancy and equipment		(147,000)	301,000
Other non-interest expenses		1,276,000	1,683,000
Total non-interest expenses		4,348,000	8,619,000
Income (loss) before income taxes and elimination of inter-segment profit		(1,422,000)	4,978,000
Total assets		$ 67,958,000	$ 156,234,000
[1]	Before elimination of inter-segment profit.

Deposits - Summary of Deposit B

Deposits - Summary of Deposit Balances by Type (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Deposits [Abstract]
Demand deposits	$ 142,794	$ 145,666
NOW accounts	53,329	53,996
Money market deposits	92,769	90,544
Regular and other savings accounts	196,145	191,712
Brokered deposits	3,072	10,061
Total non-certificate accounts	488,109	491,979
Term certificates less than $250,000	84,258	85,877
Term certificates of $250,000 or more	22,256	20,235
Term certificates - brokered	30,056	40,056
Total certificate accounts	136,570	146,168
Total deposits	$ 624,679	$ 638,147

Borrowings - Summary of Maturit

Borrowings - Summary of Maturities of Advances from FHLB (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Debt Disclosure [Abstract]
2023	$ 5,000
2025	40,000
Advances from FHLB	$ 45,000	$ 50,000

Borrowings - Additional Informa

Borrowings - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Borrowings from the FHLB	$ 45,000	$ 50,000
weighted average interest rate on FHLB advances	1.28%
Minimum [Member]
Debt Instrument [Line Items]
Interest rates on FHLB advances	0.45%
Federal home loan bank, long term borrowings maturity period	1 year
Maximum [Member]
Debt Instrument [Line Items]
Interest rates on FHLB advances	1.49%

Minimum Regulatory Capital Re_3

Minimum Regulatory Capital Requirements - Additional Information (Detail)	Mar. 31, 2022
Minimum [Member]
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]
Capital conservation buffer of common equity tier 1 capital to risk weighted assets ratio (as a percent)	0.025

Minimum Regulatory Capital Re_4

Minimum Regulatory Capital Requirements - Summary of Actual and Minimum Capital Amounts and Ratios Exclusive of Capital Conservation Buffer (Detail) - Bank [Member] $ in Thousands	Mar. 31, 2022USD ($)	Dec. 31, 2021USD ($)
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]
Total capital (to risk weighted assets), actual amount	$ 89,621	$ 100,180
Tier 1 capital (to risk weighted assets), actual amount	82,471	93,288
Common equity Tier 1 capital (to risk weighted assets), actual amount	82,471	93,288
Tier 1 capital (to average assets), actual amount	$ 82,471	$ 93,288
Total capital (to risk weighted assets), actual ratio	0.154	0.174
Tier 1 capital (to risk weighted assets), actual ratio	0.142	0.162
Common equity Tier 1 capital (to risk weighted assets), actual ratio	14.20%	16.20%
Tier 1 capital (to average assets), actual ratio	0.105	0.123
Total capital (to risk weighted assets), for minimum capital adequacy purposes amount	$ 46,423	$ 45,956
Tier 1 capital (to risk weighted assets), for minimum capital adequacy purposes amount	34,817	34,467
Common equity Tier 1 capital (to risk weighted assets), for minimum capital adequacy amount	26,113	25,850
Common equity Tier 1 capital (to risk weighted assets), for minimum capital adequacy amount	$ 31,449	$ 30,355
Total capital (to risk weighted assets), for minimum capital adequacy purposes ratio	0.080	0.080
Tier 1 capital (to risk weighted assets), for minimum capital adequacy purposes ratio	0.060	0.060
Common equity Tier 1 capital (to risk weighted assets), for minimum capital adequacy purposes ratio	4.50%	4.50%
Tier 1 capital (to average assets), for minimum capital adequacy purposes ratio	0.040	0.040
Total capital (to risk weighted assets), minimum to be well capitalized under prompt corrective action provisions amount	$ 58,029	$ 57,445
Tier 1 capital (to risk weighted assets), minimum to be well capitalized under prompt corrective action provisions amount	46,423	45,956
Common equity Tier 1 capital (to risk weighted assets), minimum to be well capitalized under prompt corrective action provisions amount	37,719	37,339
Tier 1 capital (to average assets), minimum to be well capitalized under prompt corrective action provisions amount	$ 39,311	$ 37,943
Total capital (to risk weighted assets), minimum to be well capitalized under prompt corrective action provisions ratio	0.100	0.100
Tier 1 capital (to risk weighted assets), minimum to be well capitalized under prompt corrective action provisions ratio	0.080	0.080
Common equity Tier 1 capital (to risk weighted assets), minimum to be well capitalized under prompt corrective action provisions ratio	6.50%	6.50%
Tier 1 capital (to average assets), minimum to be well capitalized under prompt corrective action provisions ratio	0.050	0.050

Leases - Additional Information

Leases - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2022USD ($)LeaseAgreement	Mar. 31, 2021USD ($)	Dec. 31, 2021USD ($)
Lessee Lease Description [Line Items]
Right-of-use assets related to operating leases	$ 1,800,000	$ 1,100,000	$ 1,800,000
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets	Other assets
Operating lease liability related to operating leases	$ 1,842,000		$ 1,800,000
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration]	us-gaap:OtherLiabilities		us-gaap:OtherLiabilities
Number of operating lease agreement | LeaseAgreement	9
Lessee, Operating Lease, Existence of Option to Extend [true false]	true
Operating lease cost	$ 170,000	$ 245,000
Weighted average remaining lease term for operating leases	4 years 4 months 24 days		4 years 6 months
Weighted average discount rate	1.95%		1.99%
Minimum [Member]
Lessee Lease Description [Line Items]
Lease renewal term	1 year
Maximum [Member]
Lessee Lease Description [Line Items]
Lease renewal term	10 years

Leases - Undiscounted Cash Flow

Leases - Undiscounted Cash Flows of Base Rent Related to Operating Leases with Payments (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Leases [Abstract]
2022	$ 514
2023	486
2024	344
2025	256
2026	226
2027	96
Total minimum lease payments	1,922
Less: amount representing interest	(80)
Operating lease liability related to operating leases	$ 1,842	$ 1,800

Mortgage Banking Income - Compo

Mortgage Banking Income - Components of Gain on Loan Origination and Sale Activities and Mortgage Servicing Fees (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Gain on loan origination and sale activities, net
Gain on sale of mortgage loans and realized gain from derivative financial instruments, net	$ 3,093	$ 15,876
Net change in fair value of loans held for sale and portfolio loans accounted for at fair value	(1,559)	(3,816)
Capitalized residential mortgage loan servicing rights	377	2,797
Net change in fair value of derivative loan commitments and forward loan sale commitments	(647)	(3,864)
Gain on loan origination and sales activities, net	1,264	10,993
Mortgage servicing fees, net
Residential mortgage loan servicing fees	1,277	1,170
Amortization of residential mortgage loan servicing rights	(749)	(812)
Release (provision) to the valuation allowance of mortgage loan servicing rights	135	421
Sub-servicer expenses (1)	(315)
Mortgage servicing fees, net	348	779
Total gain on loan origination and sales activities and mortgage servicing fees, net	$ 1,612	$ 11,772