Fair Value Measurements - Estimated Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Financial Assets:
Securities - held-to-maturity	$ 261,692	$ 282,288
FHLB and ACBB stock	17,720	10,996
Financial Liabilities:
Time deposits	631,411	639,674
Securities sold under agreements to repurchase	56,278	66,787
Other borrowings	291,300	124,000
(Level 1)
Financial Assets:
Cash and cash equivalents	77,837	63,107
Securities - held-to-maturity	0	0
FHLB and ACBB stock	0	0
Accrued interest receivable	0	0
Loans and leases, net	0	0
Financial Liabilities:
Time deposits	0	0
Other deposits	0	0
Securities sold under agreements to repurchase	0	0
Other borrowings	0	0
Accrued interest payable	0	0
(Level 2)
Financial Assets:
Cash and cash equivalents	0	0
Securities - held-to-maturity	261,692	282,288
FHLB and ACBB stock	17,720	10,996
Accrued interest receivable	24,865	22,597
Loans and leases, net	0	0
Financial Liabilities:
Time deposits	616,488	641,517
Other deposits	5,970,884	6,151,761
Securities sold under agreements to repurchase	56,278	66,787
Other borrowings	289,234	125,700
Accrued interest payable	1,420	901
(Level 3)
Financial Assets:
Cash and cash equivalents	0	0
Securities - held-to-maturity	0	0
FHLB and ACBB stock	0	0
Accrued interest receivable	0	0
Loans and leases, net	4,939,246	5,028,734
Financial Liabilities:
Time deposits	0	0
Other deposits	0	0
Securities sold under agreements to repurchase	0	0
Other borrowings	0	0
Accrued interest payable	0	0
Carrying Amount
Financial Assets:
Cash and cash equivalents	77,837	63,107
Securities - held-to-maturity	312,344	284,009
FHLB and ACBB stock	17,720	10,996
Accrued interest receivable	24,865	22,597
Loans and leases, net	5,222,977	5,032,624
Financial Liabilities:
Time deposits	631,411	639,674
Other deposits	5,970,884	6,151,761
Securities sold under agreements to repurchase	56,278	66,787
Other borrowings	291,300	124,000
Accrued interest payable	1,420	901
Fair Value
Financial Assets:
Cash and cash equivalents	77,837	63,107
Securities - held-to-maturity	261,692	282,288
FHLB and ACBB stock	17,720	10,996
Accrued interest receivable	24,865	22,597
Loans and leases, net	4,939,246	5,028,734
Financial Liabilities:
Time deposits	616,488	641,517
Other deposits	5,970,884	6,151,761
Securities sold under agreements to repurchase	56,278	66,787
Other borrowings	289,234	125,700
Accrued interest payable	$ 1,420	$ 901