Fair Value of Financial Instruments - Carrying Amounts and Estimated Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021
Financial Assets:
Cash and cash equivalents	$ 132,697	$ 115,459
Loans held for sale	73,765	99,301
Loans receivable, net	1,413,910	1,291,926
Accrued interest receivable, net	5,112	4,579
Other investments:
Time deposits placed	95	95
Servicing assets	15,237	15,505	$ 15,500
Financial Liabilities:
Deposit	1,735,594	1,534,066
Accrued interest payable	612	558
Carrying Amount
Financial Assets:
Cash and cash equivalents	132,697	115,459
Loans held for sale	67,255	89,428
Loans receivable, net	1,467,016	1,297,896
Accrued interest receivable, net	5,112	4,579
Other investments:
FHLB and PCBB stock	8,673	7,196
Time deposits placed	95	95
Servicing assets	12,708	12,720
Financial Liabilities:
Deposit	1,741,623	1,534,066
Accrued interest payable	612	558
Level 1
Financial Assets:
Cash and cash equivalents	132,697	115,459
Loans held for sale	0	0
Loans receivable, net	0	0
Accrued interest receivable, net	31	0
Other investments:
Time deposits placed	0	0
Servicing assets	0	0
Financial Liabilities:
Deposit	0	0
Accrued interest payable	0	0
Level 2
Financial Assets:
Cash and cash equivalents	0	0
Loans held for sale	73,765	99,301
Loans receivable, net	0	0
Accrued interest receivable, net	479	348
Other investments:
Time deposits placed	95	95
Servicing assets	0	0
Financial Liabilities:
Deposit	1,735,594	1,534,066
Accrued interest payable	612	558
Level 3
Financial Assets:
Cash and cash equivalents	0	0
Loans held for sale	0	0
Loans receivable, net	1,413,910	1,291,926
Accrued interest receivable, net	4,602	4,231
Other investments:
Time deposits placed	0	0
Servicing assets	15,237	15,505
Financial Liabilities:
Deposit	0	0
Accrued interest payable	$ 0	$ 0