Disclosures of Fair Values of Financial Instruments - Summary of Estimated Fair Values of Company Financial Instruments (Details) - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Financial assets
Total available-for-sale securities	$ 1,218,985,000	$ 1,421,422,000
Held-to-maturity securities	2,954,000	7,035,000
Equity securities, at fair value	311,000	397,000
Fair Value, Inputs, Level 1 [Member]
Financial assets
Cash and due from banks	144,806,000	167,242,000
Federal funds sold	7,627,000	1,360,000
Certificates of deposit investments	0	0
Total available-for-sale securities	0	0
Held-to-maturity securities	2,954,000	2,029,000
Equity securities, at fair value	311,000	397,000
Loans held for sale	0	0
Loans net of allowance for credit losses	0	0
Interest receivable	0	0
Federal Reserve Bank stock	0	0
Federal Home Loan Bank stock	0	0
Financial liabilities
Deposits	0	0
Securities sold under agreements to repurchase	0	0
Interest payable	0	0
Federal Home Loan Bank borrowings	0	0
Fair Value, Inputs, Level 1 [Member] \| Subordinated Debt
Financial liabilities
Subordinated debentures	0	0
Fair Value, Inputs, Level 1 [Member] \| Junior Subordinated Debentures
Financial liabilities
Subordinated debentures	0	0
Fair Value, Inputs, Level 2 [Member]
Financial assets
Cash and due from banks	0	0
Federal funds sold	0	0
Certificates of deposit investments	1,470,000	2,450,000
Total available-for-sale securities	1,209,736,000	1,421,323,000
Held-to-maturity securities	0	5,005,000
Equity securities, at fair value	0	0
Loans held for sale	338,000	2,748,000
Loans net of allowance for credit losses	0	0
Interest receivable	28,357,000	19,868,000
Federal Reserve Bank stock	17,050,000	13,845,000
Federal Home Loan Bank stock	18,440,000	6,484,000
Financial liabilities
Deposits	4,550,222,000	4,394,434,000
Securities sold under agreements to repurchase	221,260,000	146,274,000
Interest payable	3,346,000	1,346,000
Federal Home Loan Bank borrowings	459,327,000	86,248,000
Fair Value, Inputs, Level 2 [Member] \| Subordinated Debt
Financial liabilities
Subordinated debentures	87,977,000	94,400,000
Fair Value, Inputs, Level 2 [Member] \| Junior Subordinated Debentures
Financial liabilities
Subordinated debentures	17,164,000	15,012,000
Level 3
Financial assets
Cash and due from banks	0	0
Federal funds sold	0	0
Certificates of deposit investments	0	0
Total available-for-sale securities	9,250,000	99,000
Held-to-maturity securities	0	0
Equity securities, at fair value	0	0
Loans held for sale	0	0
Loans net of allowance for credit losses	4,460,661,000	3,889,870,000
Interest receivable	0	0
Federal Reserve Bank stock	0	0
Federal Home Loan Bank stock	0	0
Financial liabilities
Deposits	707,526,000	562,304,000
Securities sold under agreements to repurchase	0	0
Interest payable	0	0
Federal Home Loan Bank borrowings	0	0
Level 3 \| Subordinated Debt
Financial liabilities
Subordinated debentures	0	0
Level 3 \| Junior Subordinated Debentures
Financial liabilities
Subordinated debentures	0	0
Carrying Amount
Financial assets
Cash and due from banks	144,806,000	167,242,000
Federal funds sold	7,627,000	1,360,000
Certificates of deposit investments	1,470,000	2,450,000
Total available-for-sale securities	1,218,986,000	1,421,422,000
Held-to-maturity securities	2,954,000	7,030,000
Equity securities, at fair value	311,000	397,000
Loans held for sale	338,000	2,748,000
Loans net of allowance for credit losses	4,766,781,000	3,938,120,000
Interest receivable	28,357,000	19,868,000
Federal Reserve Bank stock	17,050,000	13,845,000
Federal Home Loan Bank stock	18,440,000	6,484,000
Financial liabilities
Deposits	5,257,001,000	4,956,486,000
Securities sold under agreements to repurchase	221,414,000	146,268,000
Interest payable	3,346,000	1,346,000
Federal Home Loan Bank borrowings	465,071,000	86,446,000
Carrying Amount \| Subordinated Debt
Financial liabilities
Subordinated debentures	94,553,000	94,400,000
Carrying Amount \| Junior Subordinated Debentures
Financial liabilities
Subordinated debentures	19,364,000	19,195,000
Fair Value
Financial assets
Cash and due from banks	144,806,000	167,242,000
Federal funds sold	7,627,000	1,360,000
Certificates of deposit investments	1,470,000	2,450,000
Total available-for-sale securities	1,218,986,000	1,421,422,000
Held-to-maturity securities	2,954,000	7,034,000
Equity securities, at fair value	311,000	397,000
Loans held for sale	338,000	2,748,000
Loans net of allowance for credit losses	4,460,661,000	3,889,870,000
Interest receivable	28,357,000	19,868,000
Federal Reserve Bank stock	17,050,000	13,845,000
Federal Home Loan Bank stock	18,440,000	6,484,000
Financial liabilities
Deposits	5,257,748,000	4,956,738,000
Securities sold under agreements to repurchase	221,260,000	146,274,000
Interest payable	3,346,000	1,346,000
Federal Home Loan Bank borrowings	459,327,000	86,248,000
Fair Value \| Subordinated Debt
Financial liabilities
Subordinated debentures	87,977,000	94,400,000
Fair Value \| Junior Subordinated Debentures
Financial liabilities
Subordinated debentures	$ 17,164,000	$ 15,012,000

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item includes currency on hand as well as demand deposits with banks or financial institutions. It also includes other kinds of accounts that have the general characteristics of demand deposits in that the Company may deposit additional funds at any time and also effectively may withdraw funds at any time without prior notice or penalty.

No definition available.