Employee Benefit Plans - Executive Incentive Retirement Plan (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Executive Management
Deferred Compensation Arrangement with Individual, Postretirement Benefits
Deferred compensation arrangement, option to elect to defer fees and bonuses, percentage	100.00%
Director
Deferred Compensation Arrangement with Individual, Postretirement Benefits
Deferred compensation arrangement, option to elect to defer fees and bonuses, percentage	100.00%
Other Postretirement Benefits Plan | Executive Management
Deferred Compensation Arrangement with Individual, Postretirement Benefits
Deferred compensation arrangement, option to elect to defer fees and bonuses, percentage	7.50%
Award vesting rights, percentage	100.00%
Accrued employee benefits	$ 142	$ 108	$ 86
Life insurance plan with a post retirement death benefit	250
Life insurance plan aggregate expenses	22	$ 5	$ 5
Postemployment benefits prior period expense reversed	$ 55
Other Postretirement Benefits Plan | Executive Management | Maximum
Deferred Compensation Arrangement with Individual, Postretirement Benefits
Deferred compensation arrangement, option to elect to defer fees and bonuses, percentage	15.00%