Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Assets [Abstract]
Investment Securities Available-for-Sale	$ 507,386	$ 495,396
Carrying Amount [Member]
Assets [Abstract]
Cash and Cash Equivalents	294,758	145,564
Investment Securities Available-for-Sale	507,386	495,396
Investment Securities Held-to-Maturity	60,229	53,566
Loans & Leases, Net of Deferred Fees & Allowance	2,618,015	2,515,975
Accrued Interest Receivable	16,733	14,098
Liabilities [Abstract]
Deposits	3,278,019	3,062,832
Subordinated Debentures	10,310	10,310
Accrued Interest Payable	2,795	1,365
Estimated Fair Value [Member]
Assets [Abstract]
Cash and Cash Equivalents	294,758	145,564
Investment Securities Available-for-Sale	507,386	495,396
Investment Securities Held-to-Maturity	61,097	53,738
Loans & Leases, Net of Deferred Fees & Allowance	2,584,805	2,485,182
Accrued Interest Receivable	16,733	14,098
Liabilities [Abstract]
Deposits	3,277,269	3,058,571
Subordinated Debentures	7,325	7,745
Accrued Interest Payable	2,795	1,365
Estimated Fair Value [Member] \| Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Assets [Abstract]
Cash and Cash Equivalents	294,758	145,564
Investment Securities Available-for-Sale	55,200	164,716
Investment Securities Held-to-Maturity	0	0
Loans & Leases, Net of Deferred Fees & Allowance	0	0
Accrued Interest Receivable	0	0
Liabilities [Abstract]
Deposits	2,760,097	2,572,805
Subordinated Debentures	0	0
Accrued Interest Payable	0	0
Estimated Fair Value [Member] \| Other Observable Inputs (Level 2) [Member]
Assets [Abstract]
Cash and Cash Equivalents	0	0
Investment Securities Available-for-Sale	452,186	325,841
Investment Securities Held-to-Maturity	31,253	35,083
Loans & Leases, Net of Deferred Fees & Allowance	0	0
Accrued Interest Receivable	16,733	14,098
Liabilities [Abstract]
Deposits	517,172	485,766
Subordinated Debentures	7,325	7,745
Accrued Interest Payable	2,795	1,365
Estimated Fair Value [Member] \| Significant Unobservable Inputs (Level 3) [Member]
Assets [Abstract]
Cash and Cash Equivalents	0	0
Investment Securities Available-for-Sale	0	4,839
Investment Securities Held-to-Maturity	29,844	18,655
Loans & Leases, Net of Deferred Fees & Allowance	2,584,805	2,485,182
Accrued Interest Receivable	0	0
Liabilities [Abstract]
Deposits	0	0
Subordinated Debentures	0	0
Accrued Interest Payable	$ 0	$ 0

Fair value disclosure of accrued interest payable at the end of the period.

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Fair value disclosure of accrued interest receivable at the end of period.

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Fair value portion of investment in debt security measured at amortized cost (held-to-maturity).

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Fair value portion of deposit liabilities held by the entity, including, but not limited to, foreign and domestic, interest and noninterest bearing, demand deposits, saving deposits, negotiable orders of withdrawal (NOW) and time deposits.

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Fair value of subordinated debt obligations including, but not limited to, subordinated loan, subordinated bond, subordinated debenture or junior debt.

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Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

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