Derivative And Hedging Activities - Summary of Fair Values of Derivative Instruments in the Company's Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Derivative Assets, Fair value	$ 33,453	$ 46,084
Derivative Liabilities, Fair value	27,946	38,911
Derivatives Designated as Hedging Instruments
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Derivative Assets, Fair value	5,801	7,618
Derivatives Designated as Hedging Instruments \| Interest Rate Contracts
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Derivative Assets, Notional amount	150,000	150,000
Derivatives Designated as Hedging Instruments \| Interest Rate Contracts \| Other Assets
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Derivative Assets, Fair value	5,801	7,618
Derivatives Not Designated as Hedging Instruments
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Derivative Assets, Fair value	27,652	38,466
Derivative Liabilities, Fair value	27,946	38,911
Derivatives Not Designated as Hedging Instruments \| Loan Related Derivative Contracts \| Interest Rate Swaps with Customers
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Derivative Assets, Notional amount	470,468	409,493
Derivatives Not Designated as Hedging Instruments \| Loan Related Derivative Contracts \| Interest Rate Swaps with Customers \| Other Assets
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Derivative Assets, Fair value	27,619	38,415
Derivatives Not Designated as Hedging Instruments \| Loan Related Derivative Contracts \| Mirror Swaps with Counterparties
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Derivative Liabilities, Notional Amount	470,468	409,493
Derivatives Not Designated as Hedging Instruments \| Loan Related Derivative Contracts \| Mirror Swaps with Counterparties \| Other Liabilities
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Derivative Liabilities, Fair value	27,619	38,415
Derivatives Not Designated as Hedging Instruments \| Loan Related Derivative Contracts \| Risk Participation Agreements Out to Counterparties
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Derivative Assets, Notional amount	26,439	26,580
Derivatives Not Designated as Hedging Instruments \| Loan Related Derivative Contracts \| Risk Participation Agreements Out to Counterparties \| Other Assets
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Derivative Assets, Fair value	33	51
Derivatives Not Designated as Hedging Instruments \| Loan Related Derivative Contracts \| Risk Participation Agreements with Counterparties
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Derivative Liabilities, Notional Amount	104,212	104,956
Derivatives Not Designated as Hedging Instruments \| Loan Related Derivative Contracts \| Risk Participation Agreements with Counterparties \| Other Liabilities
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Derivative Liabilities, Fair value	$ 327	$ 496

Nominal or face amount used to calculate payments on the derivative asset.

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