Supplemental Compensation Plans (Tables) - Pension Plan [Member]

12 Months Ended

Dec. 31, 2020

Salary Continuation Plan [Member]

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Pension Benefit Plans

The Bank uses a December 31, measurement date for these plans.

	For the Year Ended December 31,
	2020			2019			2018
Change in benefit obligation
Benefit obligation at beginning of year	$	5,871		$	5,322		$	5,419
Service cost		256			213			174
Interest cost		180			221			185
Plan loss (gain)		1,092			387			(184	)
Benefits Paid		(272	)		(272	)		(272	)
Benefit obligation at end of year	$	7,127		$	5,871		$	5,322
Change in plan assets
Employer Contribution	$	272		$	272		$	272
Benefits Paid		(272	)		(272	)		(272	)
Fair value of plan assets at end of year	$	—		$	—		$	—
Reconciliation of funded status
Funded status	$	(7,127	)	$	(5,871	)	$	(5,322	)
Unrecognized net plan loss		2,919			1,943			1,643
Unrecognized prior service cost		35			37			39
Net amount recognized	$	(4,173	)	$	(3,891	)	$	(3,640	)
Amounts recognized in the consolidated balance sheets consist of:
Accrued benefit liability	$	(7,127	)	$	(5,871	)	$	(5,322	)
Accumulated other comprehensive loss		2,954			1,980			1,682
Net amount recognized	$	(4,173	)	$	(3,891	)	$	(3,640	)

Components of Net Periodic Benefit Cost

The Company expects to recognize approximately $207 of the unrecognized net actuarial loss and prior service cost as a component of net periodic benefit cost in 2021.

	For the Year Ended December 31,
	2020		2019		2018
Components of net periodic benefit cost
Service cost	$	256	$	213	$	174
Interest cost		180		221		185
Amortization of prior service cost		2		2		2
Recognized actuarial loss		115		87		101
Net periodic benefit cost		553		523		462
Additional Information
Minimum benefit obligation at year end	$	7,127	$	5,871	$	5,322
Increase (decrease) in minimum liability included in other comprehensive income (loss)	$	974	$	298	$	(287	)

Assumptions Used to Determine Benefit Obligations

Assumptions used to determine benefit obligations at December 31	2020			2019			2018
Discount rate used to determine net periodic benefit cost for years ended December 31		3.00	%		4.10	%		3.40	%
Discount rate used to determine benefit obligations at December 31		2.30	%		3.00	%		4.10	%
Future salary increases		6.20	%		5.70	%		5.70	%

Expected Future Services Expected to Be Paid in Future Fiscal Years

For unfunded plans, contributions to the Salary Continuation Plan are the benefit payments made to participants. The Bank paid $272 in benefit payments during fiscal 2021. The following benefit payments, which reflect expected future service, are expected to be paid in future fiscal years:

Year ending December 31,	Pension Benefits
2021	$	276
2022		332
2023		332
2024		332
2025		394
2026-2030		1,733

Directors' Retirement Plan [Member]

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Pension Benefit Plans

The Bank uses a December 31 measurement date for the Directors’ Retirement Plan.

	For the Year Ended December 31,
	2020			2019			2018
Change in benefit obligation
Benefit obligation at beginning of year	$	820		$	787		$	856
Service cost		—			2			12
Interest cost		19			28			25
Plan loss (gain)		52			63			(37	)
Benefits paid		(60	)		(60	)		(69	)
Benefit obligation at end of year	$	831		$	820		$	787
Change in plan assets
Employer contribution	$	60		$	60		$	69
Benefits paid		(60	)		(60	)		(69	)
Fair value of plan assets at end of year	$	—		$	—		$	—
Reconciliation of funded status
Funded status	$	(831	)	$	(820	)	$	(787	)
Unrecognized net plan gain		74			22			(40	)
Net amount recognized	$	(757	)	$	(798	)	$	(827	)
Amounts recognized in the statement of financial position consist of:
Accrued benefit liability	$	(831	)	$	(820	)	$	(787	)
Accumulated other comprehensive loss (income)		74			22			(40	)
Net amount recognized	$	(757	)	$	(798	)	$	(827	)

Components of Net Periodic Benefit Cost

	For the Year Ended December 31,
	2020		2019		2018
Components of net periodic benefit cost
Service cost	$	—	$	2	$	12
Interest cost		19		28		25
Recognized actuarial gain		—		—		—
Net periodic benefit cost		19		30		37
Additional Information
Minimum benefit obligation at year end	$	831	$	820	$	787
Increase (decrease) in minimum liability included in other comprehensive income (loss)	$	52	$	62	$	(36	)

Assumptions Used to Determine Benefit Obligations

Assumptions used to determine benefit obligations at December 31	2020			2019			2018
Discount rate used to determine net periodic benefit cost for years ended December 31		2.40	%		3.70	%		3.00	%
Discount rate used to determine benefit obligations at December 31		1.30	%		2.40	%		3.70	%

Expected Future Services Expected to Be Paid in Future Fiscal Years

For unfunded plans, contributions to the Directors’ Retirement Plan are the benefit payments made to participants. The Bank paid $60 in benefit payments during fiscal 2021. The following benefit payments, which reflect expected future service, are expected to be paid in future fiscal years:

Year ending December 31,	Pension Benefits
2021	$	75
2022		76
2023		75
2024		75
2025		74
2026-2030		345