Employee Stock Ownership Plan - Loan, Expense and Shares (Details) - USD ($)		12 Months Ended
	Jan. 01, 2009	Dec. 31, 2023	Dec. 31, 2022
Employee Stock Ownership Plan
Allocated shares		619,938	583,474
Unearned shares		244,665	293,598
Total ESOP shares		864,603	877,072
Fair value of unearned shares, in thousands		$ 2,728,000	$ 7,049,000
ESOP
Employee Stock Ownership Plan
Amount borrowed from employer	$ 9,800,000
Shares purchased	978,650
Percentage of shares issued in initial public offering	8.00%
Employee stock ownership plan, price per share of shares acquired in initial public offering (in dollars per share)	$ 10.00
Term of loan		20 years
ESOP expense		$ 692,000	$ 1,100,000
ESOP | Prime rate
Employee Stock Ownership Plan
Variable interest rate		prime rate, as published in The Wall Street Journal