Fair Value of Assets and Liabilities - Summary of Estimated Fair Values of Company Financial Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Financial assets
Total available-for-sale securities	$ 1,115,552	$ 1,171,572
Held-to-maturity securities	2,298	2,286
Equity securities, at fair value	4,424	4,074
Fair Value, Inputs, Level 1 [Member]
Financial assets
Cash and due from banks	164,165	134,082
Federal funds sold	26	8,982
Certificates of deposit investments	0	0
Total available-for-sale securities	0	0
Held-to-maturity securities	2,298	2,286
Equity securities, at fair value	4,424	4,074
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 debt, net	0	0
Fair Value, Inputs, Level 1 [Member] | Junior Subordinated Debentures
Financial liabilities
Subordinated debt, net	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	3,500	1,470
Total available-for-sale securities	1,109,585	1,165,409
Held-to-maturity securities	0	0
Equity securities, at fair value	0	0
Loans held for sale	8,085	4,980
Loans net of allowance for credit losses	0	0
Interest receivable	38,387	35,082
Federal Reserve Bank stock	19,855	19,855
Federal Home Loan Bank stock	9,555	9,758
Financial liabilities
Deposits	5,053,589	5,076,066
Securities sold under agreements to repurchase	204,343	213,714
Interest payable	6,491	5,437
Federal Home Loan Bank borrowings	238,911	261,206
Fair Value, Inputs, Level 2 [Member] | Subordinated Debt
Financial liabilities
Subordinated debt, net	104,836	102,018
Fair Value, Inputs, Level 2 [Member] | Junior Subordinated Debentures
Financial liabilities
Subordinated debt, net	21,076	21,524
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	5,967	6,163
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	5,228,689	5,235,525
Interest receivable	0	0
Federal Reserve Bank stock	0	0
Federal Home Loan Bank stock	0	0
Financial liabilities
Deposits	953,708	966,211
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 debt, net	0	0
Level 3 | Junior Subordinated Debentures
Financial liabilities
Subordinated debt, net	0	0
Carrying Amount
Financial assets
Cash and due from banks	164,165	134,082
Federal funds sold	26	8,982
Certificates of deposit investments	3,500	1,470
Total available-for-sale securities	1,115,552	1,171,572
Held-to-maturity securities	2,298	2,286
Equity securities, at fair value	4,424	4,074
Loans held for sale	8,085	4,980
Loans net of allowance for credit losses	5,537,732	5,506,910
Interest receivable	38,387	35,082
Federal Reserve Bank stock	19,855	19,855
Federal Home Loan Bank stock	9,555	9,758
Financial liabilities
Deposits	6,088,834	6,123,659
Securities sold under agreements to repurchase	204,343	213,721
Interest payable	6,491	5,437
Federal Home Loan Bank borrowings	238,712	263,787
Carrying Amount | Subordinated Debt
Financial liabilities
Subordinated debt, net	87,373	106,755
Carrying Amount | Junior Subordinated Debentures
Financial liabilities
Subordinated debt, net	24,224	24,058
Fair Value
Financial assets
Cash and due from banks	164,165	134,082
Federal funds sold	26	8,982
Certificates of deposit investments	3,500	1,470
Total available-for-sale securities	1,115,552	1,171,572
Held-to-maturity securities	2,298	2,286
Equity securities, at fair value	4,424	4,074
Loans held for sale	8,085	4,980
Loans net of allowance for credit losses	5,228,689	5,235,525
Interest receivable	38,387	35,082
Federal Reserve Bank stock	19,855	19,855
Federal Home Loan Bank stock	9,555	9,758
Financial liabilities
Deposits	6,007,297	6,042,277
Securities sold under agreements to repurchase	204,343	213,714
Interest payable	6,491	5,437
Federal Home Loan Bank borrowings	238,911	261,206
Fair Value | Subordinated Debt
Financial liabilities
Subordinated debt, net	85,637	102,018
Fair Value | Junior Subordinated Debentures
Financial liabilities
Subordinated debt, net	$ 21,076	$ 21,524