Employee and Director Benefit Plans (Details)				12 Months Ended
	Mar. 29, 2018 USD ($) Item Employee	May 18, 2016	Jan. 27, 2016	Dec. 31, 2023 USD ($) Employee	Dec. 31, 2022 USD ($)
Defined Contribution And Defined Benefit Plans Disclosure [Line Items]
Cash surrender value of life insurance				$ 29,400,000	$ 23,200,000
Discount rate for projected benefit obligation				6.17%
401(k) [Member]
Defined Contribution And Defined Benefit Plans Disclosure [Line Items]
Maximum employee contribution of employee gross pay				75.00%
Defined contribution plan cost recognized				$ 452,000	527,000
401(k) [Member] | Maximum [Member]
Defined Contribution And Defined Benefit Plans Disclosure [Line Items]
Defined contribution plan, employer matching percentage of employee deferral				40.00%
Defined contribution plan, employer discretionary matching contribution , percent				6.00%
Profit Sharing [Member] | Maximum [Member]
Defined Contribution And Defined Benefit Plans Disclosure [Line Items]
Defined contribution plan, employer discretionary matching contribution , percent				5.10%
Safe Harbor Discretionary Employer Contribution [Member] | Maximum [Member]
Defined Contribution And Defined Benefit Plans Disclosure [Line Items]
Defined contribution plan, employer discretionary matching contribution , percent				3.40%
1999 Supplemental Benefit Plans [Member]
Defined Contribution And Defined Benefit Plans Disclosure [Line Items]
Benefit obligation				$ 324,000	453,000
Discount rate for projected benefit obligation				6.17%
Benefit plan postretirement benefit payout period				15 years
Compensation cost				$ 23,000	35,000
Non-Qualified Executive Supplemental Benefit Plans and Non-Qualified Directors Supplemental Benefit Plan - "The 2001 Plan" [Member]
Defined Contribution And Defined Benefit Plans Disclosure [Line Items]
Benefit obligation				2,800,000	$ 2,600,000
Discount rate for projected benefit obligation					6.17%
Supplemental Executive Retirement Plan - 2012 Plan [Member]
Defined Contribution And Defined Benefit Plans Disclosure [Line Items]
Benefit obligation				$ 1,600,000	$ 1,300,000
Discount rate for projected benefit obligation				5.12%	5.12%
Benefit plan, full benefit eligibility retirement age				67 years
Number of executive under supplemental executive benefit plan | Employee				1
Benefit plan postretirement benefit payout period				15 years
Non-Qualified Executive Supplemental Benefit Plans and Non-Qualified Directors Supplemental Benefit Plans - "The 2001 and 2012 Plans" [Member]
Defined Contribution And Defined Benefit Plans Disclosure [Line Items]
Compensation cost				$ 819,000	$ 567,000
Non-Qualified Supplemental Benefit Plans for Directors 2001 [Member]
Defined Contribution And Defined Benefit Plans Disclosure [Line Items]
Maximum years of service multiplied with average final pay			20 years
Percent applied on average final pay to determine benefit			40.00%
Benefit plan postretirement benefit payout period			15 years
Non-Qualified Executive Supplemental Benefit Plans 2001 [Member]
Defined Contribution And Defined Benefit Plans Disclosure [Line Items]
Maximum years of service multiplied with average final pay		20 years
Percent applied on average final pay to determine benefit		40.00%
Benefit plan postretirement benefit payout period		15 years
2018 Retention Agreement [Member]
Defined Contribution And Defined Benefit Plans Disclosure [Line Items]
Cash surrender value of life insurance				29,400,000	23,200,000
Benefit obligation				$ 627,000	$ 492,000
Discount rate for projected benefit obligation				5.12%	5.12%
Aggregate amount payable under retention agreement	$ 1,400,000
Compensation cost				$ 135,000	$ 122,000
Number Of Equal Payment Installments | Item	3
Number of executives under retention agreement | Employee	1