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Derivative Financial Instruments - Narrative (Details)	3 Months Ended		6 Months Ended	9 Months Ended
	Sep. 30, 2022 USD ($) derivative	Sep. 30, 2021 USD ($)	Jun. 30, 2022	Sep. 30, 2022 USD ($) derivative	Sep. 30, 2021 USD ($)	Dec. 31, 2021 USD ($) derivative
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Interest Rate Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net	$ (511,000)			$ (561,000)
Interest Expense	35,996,000	$ 12,570,000		63,978,000	$ 41,911,000
Risk participation agreement | Not Designated as Hedging Instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount	127,400,000			127,400,000		$ 123,900,000
Credit valuation adjustment	20,000			20,000		93,000
Interest rate swaps | Reclassification out of Accumulated Other Comprehensive Income | Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Interest Expense		$ (88,000)			$ (227,000)
Interest rate swaps | Not Designated as Hedging Instrument | Other assets | Correspondent Banks
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount	988,492,000			$ 988,492,000		148,199,000
Weighted average remaining term (years)			7 years 2 months 12 days	5 years 2 months 12 days
Interest rate swaps | Not Designated as Hedging Instrument | Other assets | Customers
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount	15,969,000			$ 15,969,000		440,486,000
Weighted average remaining term (years)			6 years 1 month 6 days	10 years
Interest rate swaps | Not Designated as Hedging Instrument | Other liabilities | Correspondent Banks
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount	15,969,000			$ 15,969,000		440,486,000
Weighted average remaining term (years)			6 years 1 month 6 days	10 years
Interest rate swaps | Not Designated as Hedging Instrument | Other liabilities | Customers
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount	988,492,000			$ 988,492,000		148,199,000
Weighted average remaining term (years)			7 years 2 months 12 days	5 years 2 months 12 days
Interest rate swaps | Designated as Hedging Instrument | Other assets
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount	100,000,000			$ 100,000,000		100,000,000
Weighted average remaining term (years)			3 years 3 months 18 days	2 years 6 months
Interest rate swaps | Designated as Hedging Instrument | Cash Flow Hedge
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount	$ 100,000,000			$ 100,000,000		$ 100,000,000
Number of derivative instruments held | derivative	1			1		1
Interest Rate Swap, forward starting | Designated as Hedging Instrument | Cash Flow Hedge
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount	$ 475,000,000			$ 475,000,000
Weighted average remaining term (years)	4 years 6 months
Interest Rate Lock Commitments
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount	$ 1,500,000			1,500,000		$ 17,400,000
Foreign Exchange Contract | Not Designated as Hedging Instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain (loss) on fair value of foreign exchange contracts	9,000			9,000
Foreign exchange contracts						$ 0
Foreign Exchange Contract | Not Designated as Hedging Instrument | Other assets | Correspondent Banks
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount	2,600,000			2,600,000
Foreign exchange contracts	130,000			130,000
Foreign Exchange Contract | Not Designated as Hedging Instrument | Other assets | Customers
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount	338,000			338,000
Foreign exchange contracts	21,000			21,000
Foreign Exchange Contract | Not Designated as Hedging Instrument | Other liabilities | Correspondent Banks
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount	338,000			338,000
Foreign exchange contracts	(21,000)			(21,000)
Foreign Exchange Contract | Not Designated as Hedging Instrument | Other liabilities | Customers
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount	2,600,000			2,600,000
Foreign exchange contracts	$ (122,000)			$ (122,000)

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Average remaining period until maturity of the derivative contract, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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