Fair Value of Financial Instruments - Carrying Amounts and Estimated Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021
Financial Assets:
Cash and cash equivalents	$ 129,976	$ 115,459
Loans held for sale	95,850	99,301
Loans receivable, net	1,368,115	1,291,926
Accrued interest receivable, net	4,893	4,579
Other investments:
Time deposits placed	95	95
Servicing assets	15,161	15,505	$ 9,300
Financial Liabilities:
Deposit	1,669,804	1,534,066
FHLB Advances	0	0
Accrued interest payable	548	558
Carrying Amount
Financial Assets:
Cash and cash equivalents	129,976	115,459
Loans held for sale	86,243	89,428
Loans receivable, net	1,411,738	1,297,896
Accrued interest receivable, net	4,893	4,579
Other investments:
FHLB and PCBB stock	7,196	7,196
Time deposits placed	95	95
Servicing assets	12,341	12,720
Financial Liabilities:
Deposit	1,672,003	1,534,066
FHLB Advances	0	0
Accrued interest payable	548	558
Level 1
Financial Assets:
Cash and cash equivalents	129,976	115,459
Loans held for sale	0	0
Loans receivable, net	0	0
Accrued interest receivable, net	7	0
Other investments:
Time deposits placed	0	0
Servicing assets	0	0
Financial Liabilities:
Deposit	0	0
FHLB Advances	0	0
Accrued interest payable	0	0
Level 2
Financial Assets:
Cash and cash equivalents	0	0
Loans held for sale	95,850	99,301
Loans receivable, net	0	0
Accrued interest receivable, net	392	348
Other investments:
Time deposits placed	95	95
Servicing assets	0	0
Financial Liabilities:
Deposit	1,669,804	1,534,066
FHLB Advances	0	0
Accrued interest payable	548	558
Level 3
Financial Assets:
Cash and cash equivalents	0	0
Loans held for sale	0	0
Loans receivable, net	1,368,115	1,291,926
Accrued interest receivable, net	4,494	4,231
Other investments:
Time deposits placed	0	0
Servicing assets	15,161	15,505
Financial Liabilities:
Deposit	0	0
FHLB Advances	0	0
Accrued interest payable	$ 0	$ 0