Pay vs Performance Disclosure

12 Months Ended

Dec. 31, 2022

USD ($)

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Dec. 31, 2021

USD ($)

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Dec. 31, 2020

USD ($)

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Pay vs Performance Disclosure [Table]

Pay vs Performance [Table Text Block]

(in whole dollars, unless otherwise noted)
														Investment Based on:
										Average
		Summary		Summary						Summary		Average				Peer Group
		Compensation		Compensation		Compensation		Compensation		Compensation		Compensation		Total		Total				Tangible
		Table Total		Table Total		Actually Paid		Actually Paid		Table Total for		Actually Paid to		Shareholder		Shareholder		Net Income		Book Value
Year		for First PEO		for Second PEO		to First PEO		to Second PEO		Non-PEO NEOs		Non-PEO NEOs		Return		Return		(in thousands)		Per Share
(a)		(b.1) (1)		(b.2) (2)		(c.1) (1)		(c.2) (2)		(d) (3)		(e) (3)		(f) (4)		(g) (5)		(h)		(i) (6)
2022	$	1,456,401	$	2,648,731	$	1,467,492	$	1,873,309	$	665,848	$	649,588	$	132.19	$	99.14	$	45,589	$	11.13
2021	$	3,080,857	$	N/A	$	3,093,059	$	N/A	$	947,669	$	1,181,004	$	137.83	$	121.96	$	58,517	$	11.57
2020	$	2,143,883	$	N/A	$	1,785,584	$	N/A	$	1,010,159	$	1,135,032	$	99.80	$	95.30	$	44,792	$	10.88

⁽¹⁾ Includes amounts from the Summary Compensation Table and Compensation Actually Paid to James W. Blake, former Chief Executive Officer of HarborOne Bank, for the years ended December 31, 2020, 2021, and 2022.

⁽²⁾ Includes amounts from the Summary Compensation Table and Compensation Actually Paid to Joseph F. Casey for the year ended December 31, 2022.

⁽³⁾ The non-principal executive officer (PEO) named executive officers (NEOs) reflected in columns (d) and € represent the following individuals; for 2022: Linda H. Simmons, H. Scott Sanborn, Brenda C. Diepold, and David B. Reilly, for 2021: Joseph F. Casey, Linda H. Simmons, H. Scott Sanborn and Inez H. Friedman-Boyce; and for 2020: Joseph F. Casey and Linda H. Simmons.

⁽⁴⁾ Reflects the cumulative total shareholder return of HarborOne Bank over the three-year period. The reporting is based on a theoretical $100 invested as of the last day of 2019 and valued as of the last trading day of 2020, 2021, and 2022.

⁽⁵⁾ Reflects the cumulative total shareholder return of the S&P 600 Thrifts & Mortgage Finance Index (“S&P 600”). S&P 600 is the peer group used by HarborOne Bank for purposes of Item 201(e) of Regulation S-K under the Exchange Act in our Annual Report on Form 10-K for the year ended December 31, 2022.

⁽⁶⁾ Tangible Book Value per Share is a non-GAAP ratio that is calculated by dividing total stockholders’ equity less goodwill and intangible assets by common stock outstanding.

Company Selected Measure Name

Tangible Book Value per Share

Named Executive Officers, Footnote [Text Block]

⁽¹⁾ Includes amounts from the Summary Compensation Table and Compensation Actually Paid to James W. Blake, former Chief Executive Officer of HarborOne Bank, for the years ended December 31, 2020, 2021, and 2022.

⁽³⁾ The non-principal executive officer (PEO) named executive officers (NEOs) reflected in columns (d) and € represent the following individuals; for 2022: Linda H. Simmons, H. Scott Sanborn, Brenda C. Diepold, and David B. Reilly, for 2021: Joseph F. Casey, Linda H. Simmons, H. Scott Sanborn and Inez H. Friedman-Boyce; and for 2020: Joseph F. Casey and Linda H. Simmons.

Peer Group Issuers, Footnote [Text Block]

⁽⁵⁾ Reflects the cumulative total shareholder return of the S&P 600 Thrifts & Mortgage Finance Index (“S&P 600”). S&P 600 is the peer group used by HarborOne Bank for purposes of Item 201(e) of Regulation S-K under the Exchange Act in our Annual Report on Form 10-K for the year ended December 31, 2022.

Adjustment To PEO Compensation, Footnote [Text Block]

Calculation of Compensation Actually Paid

To calculate the CAP amounts in the table above, the following adjustments were made to Total Compensation as reported in the Summary Compensation Table for each covered year:

	2022			2021		2020
			Average		Average		Average
	First PEO	Second PEO	Non-PEO NEOs	First PEO	Non-PEO NEOs	First PEO	Non-PEO NEOs
Total Compensation from Summary Compensation Table	$ 1,456,401	$ 2,648,731	$ 665,848	$ 3,080,857	$ 947,669	$ 2,143,883	$ 1,010,159
Amount deducted for aggregate change in actuarial present value from SCT	—	(1,004,270)	—	(800,591)	(97,153)	—	—
Amount deducted for grant date values in the SCT	(445,954)	(391,896)	(112,807)	(492,722)	(150,905)	(468,468)	(194,733)
Amount included for service costs related to the SERP	—	257,565	—	—	139,232	—	255,401
Amount included for year-end fair value of unvested awards granted in the current year	25,201	377,166	106,533	611,883	213,041	550,602	228,875
Amount included (+ or -) for year-over-year difference of year-end fair values for unvested awards granted in prior years	—	(17,904)	(8,772)	429,408	68,297	(112,109)	(28,536)
Amount included (+ or -) for difference in fair values between prior year-end fair values and vest date fair values for awards granted in prior years	431,844	3,917	(1,214)	264,224	60,823	(328,324)	(136,134)
Total Adjustments	$ 457,045	$ 620,744	$ 96,547	$ 1,305,515	$ 481,393	$ 110,169	$ 319,606
Compensation Actually Paid (as calculated)	$ 1,467,492	$ 1,873,309	$ 649,588	$ 3,093,059	$ 1,181,004	$ 1,785,584	$ 1,135,032

Non-PEO NEO Average Total Compensation Amount

$ 665,848

$ 947,669

$ 1,010,159

Non-PEO NEO Average Compensation Actually Paid Amount

$ 649,588

1,181,004

1,135,032

Adjustment to Non-PEO NEO Compensation Footnote [Text Block]

Calculation of Compensation Actually Paid

To calculate the CAP amounts in the table above, the following adjustments were made to Total Compensation as reported in the Summary Compensation Table for each covered year:

	2022			2021		2020
			Average		Average		Average
	First PEO	Second PEO	Non-PEO NEOs	First PEO	Non-PEO NEOs	First PEO	Non-PEO NEOs
Total Compensation from Summary Compensation Table	$ 1,456,401	$ 2,648,731	$ 665,848	$ 3,080,857	$ 947,669	$ 2,143,883	$ 1,010,159
Amount deducted for aggregate change in actuarial present value from SCT	—	(1,004,270)	—	(800,591)	(97,153)	—	—
Amount deducted for grant date values in the SCT	(445,954)	(391,896)	(112,807)	(492,722)	(150,905)	(468,468)	(194,733)
Amount included for service costs related to the SERP	—	257,565	—	—	139,232	—	255,401
Amount included for year-end fair value of unvested awards granted in the current year	25,201	377,166	106,533	611,883	213,041	550,602	228,875
Amount included (+ or -) for year-over-year difference of year-end fair values for unvested awards granted in prior years	—	(17,904)	(8,772)	429,408	68,297	(112,109)	(28,536)
Amount included (+ or -) for difference in fair values between prior year-end fair values and vest date fair values for awards granted in prior years	431,844	3,917	(1,214)	264,224	60,823	(328,324)	(136,134)
Total Adjustments	$ 457,045	$ 620,744	$ 96,547	$ 1,305,515	$ 481,393	$ 110,169	$ 319,606
Compensation Actually Paid (as calculated)	$ 1,467,492	$ 1,873,309	$ 649,588	$ 3,093,059	$ 1,181,004	$ 1,785,584	$ 1,135,032

Compensation Actually Paid vs. Total Shareholder Return [Text Block]

Compensation Actually Paid vs. Net Income [Text Block]

Tabular List [Table Text Block]

Tabular List of Performance Measures

The six performance measures listed below represent the most important metrics the Company used to align pay and performance and to determine compensation paid in 2022, as further described in our Compensation Discussion and Analysis (CD&A) within the sections titled “Annual Incentive Plan” and “Long-Term Incentives”:

Most Important Performance Measures	Application in 2022 Compensation
Tangible Book Value Per Share	Long-Term Incentive Plan
Relative Total Shareholder Return	Long-Term Incentive Plan
Return On Assets	Annual Incentive Plan
Earnings Per Share	Annual Incentive Plan
Core Deposit Growth	Annual Incentive Plan
Commercial and Small Business Loan Growth	Annual Incentive Plan

Total Shareholder Return Amount

$ 132.19

137.83

99.80

Peer Group Total Shareholder Return Amount

99.14

121.96

95.30

Net Income (Loss)

$ 45,589,000

$ 58,517,000

$ 44,792,000

Company Selected Measure Amount | item

11.13

11.57

10.88

Measure [Axis]: 1

Pay vs Performance Disclosure [Table]

Measure Name

Tangible Book Value Per Share

Non-GAAP Measure Description [Text Block]

⁽⁶⁾ Tangible Book Value per Share is a non-GAAP ratio that is calculated by dividing total stockholders’ equity less goodwill and intangible assets by common stock outstanding.

Measure [Axis]: 2

Pay vs Performance Disclosure [Table]

Measure Name

Relative Total Shareholder Return

Measure [Axis]: 3

Pay vs Performance Disclosure [Table]

Measure Name

Return On Assets

Measure [Axis]: 4

Pay vs Performance Disclosure [Table]

Measure Name

Earnings Per Share

Measure [Axis]: 5

Pay vs Performance Disclosure [Table]

Measure Name

Core Deposit Growth

Measure [Axis]: 6

Pay vs Performance Disclosure [Table]

Measure Name

Commercial and Small Business Loan Growth

James W. Blake

Pay vs Performance Disclosure [Table]

PEO Total Compensation Amount

$ 1,456,401

$ 3,080,857

$ 2,143,883

PEO Actually Paid Compensation Amount

$ 1,467,492

3,093,059

1,785,584

PEO Name

James W. Blake

Joseph F. Casey

Pay vs Performance Disclosure [Table]

PEO Total Compensation Amount

$ 2,648,731

PEO Actually Paid Compensation Amount

$ 1,873,309

PEO Name

Joseph F. Casey

PEO [Member] | James W. Blake | Amount deducted for aggregate change in actuarial present value from SCT

Pay vs Performance Disclosure [Table]

Adjustment to Compensation Amount

(800,591)

PEO [Member] | James W. Blake | Amount deducted for grant date values in the SCT

Pay vs Performance Disclosure [Table]

Adjustment to Compensation Amount

$ (445,954)

(492,722)

(468,468)

PEO [Member] | James W. Blake | Amount included for year-end fair value of unvested awards granted in the current year

Pay vs Performance Disclosure [Table]

Adjustment to Compensation Amount

25,201

611,883

550,602

PEO [Member] | James W. Blake | Amount included (+ or -) for year-over-year difference of year-end fair values for unvested awards granted in prior years

Pay vs Performance Disclosure [Table]

Adjustment to Compensation Amount

429,408

(112,109)

PEO [Member] | James W. Blake | Amount included (+ or -) for difference in fair values between prior year-end fair values and vest date fair values for awards granted in prior years

Pay vs Performance Disclosure [Table]

Adjustment to Compensation Amount

431,844

264,224

(328,324)

PEO [Member] | James W. Blake | Total Adjustments

Pay vs Performance Disclosure [Table]

Adjustment to Compensation Amount

457,045

1,305,515

110,169

PEO [Member] | Joseph F. Casey | Amount deducted for aggregate change in actuarial present value from SCT

Pay vs Performance Disclosure [Table]

Adjustment to Compensation Amount

(1,004,270)

PEO [Member] | Joseph F. Casey | Amount deducted for grant date values in the SCT

Pay vs Performance Disclosure [Table]

Adjustment to Compensation Amount

(391,896)

PEO [Member] | Joseph F. Casey | Amount included for service costs related to the SERP

Pay vs Performance Disclosure [Table]

Adjustment to Compensation Amount

257,565

PEO [Member] | Joseph F. Casey | Amount included for year-end fair value of unvested awards granted in the current year

Pay vs Performance Disclosure [Table]

Adjustment to Compensation Amount

377,166

PEO [Member] | Joseph F. Casey | Amount included (+ or -) for year-over-year difference of year-end fair values for unvested awards granted in prior years

Pay vs Performance Disclosure [Table]

Adjustment to Compensation Amount

(17,904)

PEO [Member] | Joseph F. Casey | Amount included (+ or -) for difference in fair values between prior year-end fair values and vest date fair values for awards granted in prior years

Pay vs Performance Disclosure [Table]

Adjustment to Compensation Amount

3,917

PEO [Member] | Joseph F. Casey | Total Adjustments

Pay vs Performance Disclosure [Table]

Adjustment to Compensation Amount

620,744

Non-PEO NEO [Member] | Amount deducted for aggregate change in actuarial present value from SCT

Pay vs Performance Disclosure [Table]

Adjustment to Compensation Amount

(97,153)

Non-PEO NEO [Member] | Amount deducted for grant date values in the SCT

Pay vs Performance Disclosure [Table]

Adjustment to Compensation Amount

(112,807)

(150,905)

(194,733)

Non-PEO NEO [Member] | Amount included for service costs related to the SERP

Pay vs Performance Disclosure [Table]

Adjustment to Compensation Amount

139,232

255,401

Non-PEO NEO [Member] | Amount included for year-end fair value of unvested awards granted in the current year

Pay vs Performance Disclosure [Table]

Adjustment to Compensation Amount

106,533

213,041

228,875

Non-PEO NEO [Member] | Amount included (+ or -) for year-over-year difference of year-end fair values for unvested awards granted in prior years

Pay vs Performance Disclosure [Table]

Adjustment to Compensation Amount

(8,772)

68,297

(28,536)

Non-PEO NEO [Member] | Amount included (+ or -) for difference in fair values between prior year-end fair values and vest date fair values for awards granted in prior years

Pay vs Performance Disclosure [Table]

Adjustment to Compensation Amount

(1,214)

60,823

(136,134)

Non-PEO NEO [Member] | Total Adjustments

Pay vs Performance Disclosure [Table]

Adjustment to Compensation Amount

$ 96,547

$ 481,393

$ 319,606