Fair Value of Financial Instruments (Summary of Carrying Amounts and Estimated Fair Values of Financial Instruments) (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Jun. 30, 2024	Dec. 31, 2023
Assets
Investment securities - AFS	$ 133,339		$ 110,521
Held to maturity, fair value	440,296		457,830
Restricted securities	20,253		17,900
Loans held for sale, at fair value	26,877		8,782
Loans, at fair value	10,023		9,944
MSRs	5,309	$ 5,995	5,926
Level 1
Assets
Cash and cash equivalents	183,621		372,413
Investment securities - AFS	0		0
Held to maturity, fair value	0		0
Equity securities	0		0
Restricted securities	0
Loans held for sale, at fair value	0		0
Cash surrender value on life insurance	0		0
Loans, at fair value	0		0
Loans, net	0		0
MSRs	0		0
Deposits:
Noninterest-bearing demand	0		0
Checking plus interest	0		0
Money Market	0		0
Savings	0		0
Club	0
Advances from FHLB	0
Certificates of Deposit	0		0
Subordinated debt, net	0		0
TRUPS, net	0		0
Level 1 | TBA forward trades
Assets
Derivative asset	0		0
Deposits:
Derivative liability	0		0
Level 1 | IRLCs
Assets
Derivative asset	0		0
Level 2
Assets
Cash and cash equivalents	0		0
Investment securities - AFS	133,339		110,521
Held to maturity, fair value	440,296		457,830
Equity securities	5,950		5,703
Restricted securities	20,253
Loans held for sale, at fair value	26,877		8,782
Cash surrender value on life insurance	103,729		101,704
Loans, at fair value	10,023		9,944
Loans, net	0		0
MSRs	0		0
Deposits:
Noninterest-bearing demand	1,571,393		1,258,037
Checking plus interest	751,533		1,165,546
Money Market	1,297,237		1,430,603
Savings	335,161		347,324
Club	1,742
Advances from FHLB	50,545
Certificates of Deposit	1,270,865		1,184,447
Subordinated debt, net	43,461		42,579
TRUPS, net	28,572		28,266
Level 2 | TBA forward trades
Assets
Derivative asset	46		2
Deposits:
Derivative liability	37		176
Level 2 | IRLCs
Assets
Derivative asset	0		0
Level 3
Assets
Cash and cash equivalents	0		0
Investment securities - AFS	0		0
Held to maturity, fair value	0		0
Equity securities	0		0
Restricted securities	0
Loans held for sale, at fair value	0		0
Cash surrender value on life insurance	0		0
Loans, at fair value	0		0
Loans, net	4,499,722		4,477,468
MSRs	5,309		5,926
Deposits:
Noninterest-bearing demand	0		0
Checking plus interest	0		0
Money Market	0		0
Savings	0		0
Club	0
Advances from FHLB	0
Certificates of Deposit	0		0
Subordinated debt, net	0		0
TRUPS, net	0		0
Level 3 | TBA forward trades
Assets
Derivative asset	0		0
Deposits:
Derivative liability	0		0
Level 3 | IRLCs
Assets
Derivative asset	219		110
Carrying Amount
Assets
Cash and cash equivalents	183,621		372,413
Investment securities - AFS	133,339		110,521
Held to maturity, fair value	484,583		513,188
Equity securities	5,950		5,703
Restricted securities	20,253
Loans held for sale, at fair value	26,877		8,782
Cash surrender value on life insurance	103,729		101,704
Loans, at fair value	10,023		9,944
Loans, net	4,665,217		4,573,715
MSRs	5,309		5,926
Deposits:
Noninterest-bearing demand	1,571,393		1,258,037
Checking plus interest	751,533		1,165,546
Money Market	1,297,237		1,430,603
Savings	335,161		347,324
Club	1,742
Advances from FHLB	50,000
Certificates of Deposit	1,268,657		1,184,610
Subordinated debt, net	43,688		43,139
TRUPS, net	29,768		29,530
Carrying Amount | TBA forward trades
Assets
Derivative asset	46		2
Deposits:
Derivative liability	37		176
Carrying Amount | IRLCs
Assets
Derivative asset	219		110
Fair Value
Assets
Cash and cash equivalents	183,621		372,413
Investment securities - AFS	133,339		110,521
Held to maturity, fair value	440,296		457,830
Equity securities	5,950		5,703
Restricted securities	20,253
Loans held for sale, at fair value	26,877		8,782
Cash surrender value on life insurance	103,729		101,704
Loans, at fair value	10,023		9,944
Loans, net	4,499,722		4,477,468
MSRs	5,309		5,926
Deposits:
Noninterest-bearing demand	1,571,393		1,258,037
Checking plus interest	751,533		1,165,546
Money Market	1,297,237		1,430,603
Savings	335,161		347,324
Club	1,742
Advances from FHLB	50,545
Certificates of Deposit	1,270,865		1,184,447
Subordinated debt, net	43,461		42,579
TRUPS, net	28,572		28,266
Fair Value | TBA forward trades
Assets
Derivative asset	46		2
Deposits:
Derivative liability	37		176
Fair Value | IRLCs
Assets
Derivative asset	$ 219		$ 110