Fair Value Measurement of Assets and Liabilities - Recurring and Non-Recurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Fair Value \| Recurring fair value measurements
Investment securities:
Equity securities	$ 35,931	$ 32,844
Trading debt securities		38,130
Available for sale debt securities:
Available for sale debt securities	1,382,551	1,128,809
Loans held for sale	18,348	139,516
Other assets	344,189	181,500
Total assets	1,781,019	1,520,799
Liabilities
Other liabilities	364,266	52,376
Total liabilities	364,266	52,376
Fair Value \| Recurring fair value measurements \| U.S. government agency securities
Available for sale debt securities:
Available for sale debt securities	30,533	20,925
Fair Value \| Recurring fair value measurements \| Obligations of states and political subdivisions
Available for sale debt securities:
Available for sale debt securities	157,478	79,890
Fair Value \| Recurring fair value measurements \| Residential mortgage-backed securities
Available for sale debt securities:
Available for sale debt securities	721,036	904,502
Fair Value \| Recurring fair value measurements \| Corporate and other debt securities
Available for sale debt securities:
Available for sale debt securities	181,106	123,492
Fair Value \| Recurring fair value measurements \| U.S. Treasury securities
Available for sale debt securities:
Available for sale debt securities	292,398
Fair Value \| Non-recurring fair value measurements
Non-recurring fair value measurements:
Collateral dependent loans	66,144	47,871
Foreclosed assets	1,200	2,931
Total	67,344	50,802
Fair Value \| Significant Unobservable Inputs (Level 3)
Investment securities:
Equity securities	5,785	3,629
Equity securities	41,716	36,473
Trading debt securities	0	38,130
Available for sale debt securities:
Available for sale debt securities	1,382,551	1,128,809
Non-recurring fair value measurements:
Unpaid principal balances of loans held for sale	18,300	136,300
U.S. government agency securities
Available for sale debt securities:
Available for sale debt securities	30,533	20,925
Obligations of states and political subdivisions
Available for sale debt securities:
Available for sale debt securities	157,478	79,890
Residential mortgage-backed securities
Available for sale debt securities:
Available for sale debt securities	721,036	904,502
Corporate and other debt securities
Available for sale debt securities:
Available for sale debt securities	181,106	123,492
U.S. Treasury securities
Available for sale debt securities:
Available for sale debt securities	292,398
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Recurring fair value measurements
Investment securities:
Equity securities	24,683	21,284
Trading debt securities		0
Available for sale debt securities:
Available for sale debt securities	292,398	0
Loans held for sale	0	0
Other assets	0	0
Total assets	317,081	21,284
Liabilities
Other liabilities	0	0
Total liabilities	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Recurring fair value measurements \| U.S. government agency securities
Available for sale debt securities:
Available for sale debt securities	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Recurring fair value measurements \| Obligations of states and political subdivisions
Available for sale debt securities:
Available for sale debt securities	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Recurring fair value measurements \| Residential mortgage-backed securities
Available for sale debt securities:
Available for sale debt securities	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Recurring fair value measurements \| Corporate and other debt securities
Available for sale debt securities:
Available for sale debt securities	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Recurring fair value measurements \| U.S. Treasury securities
Available for sale debt securities:
Available for sale debt securities	292,398
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Non-recurring fair value measurements
Non-recurring fair value measurements:
Collateral dependent loans	0	0
Foreclosed assets	0	0
Total	0	0
Significant Other Observable Inputs (Level 2) \| Recurring fair value measurements
Investment securities:
Equity securities	0	0
Trading debt securities		38,130
Available for sale debt securities:
Available for sale debt securities	1,090,153	1,128,809
Loans held for sale	18,348	139,516
Other assets	344,189	181,500
Total assets	1,452,690	1,487,955
Liabilities
Other liabilities	364,266	52,376
Total liabilities	364,266	52,376
Significant Other Observable Inputs (Level 2) \| Recurring fair value measurements \| U.S. government agency securities
Available for sale debt securities:
Available for sale debt securities	30,533	20,925
Significant Other Observable Inputs (Level 2) \| Recurring fair value measurements \| Obligations of states and political subdivisions
Available for sale debt securities:
Available for sale debt securities	157,478	79,890
Significant Other Observable Inputs (Level 2) \| Recurring fair value measurements \| Residential mortgage-backed securities
Available for sale debt securities:
Available for sale debt securities	721,036	904,502
Significant Other Observable Inputs (Level 2) \| Recurring fair value measurements \| Corporate and other debt securities
Available for sale debt securities:
Available for sale debt securities	181,106	123,492
Significant Other Observable Inputs (Level 2) \| Recurring fair value measurements \| U.S. Treasury securities
Available for sale debt securities:
Available for sale debt securities	0
Significant Other Observable Inputs (Level 2) \| Non-recurring fair value measurements
Non-recurring fair value measurements:
Collateral dependent loans	0	0
Foreclosed assets	0	0
Total	0	0
Significant Unobservable Inputs (Level 3) \| Recurring fair value measurements
Investment securities:
Equity securities	0	0
Trading debt securities		0
Available for sale debt securities:
Available for sale debt securities	0	0
Loans held for sale	0	0
Other assets	0	0
Total assets	0	0
Liabilities
Other liabilities	0	0
Total liabilities	0	0
Significant Unobservable Inputs (Level 3) \| Recurring fair value measurements \| U.S. government agency securities
Available for sale debt securities:
Available for sale debt securities	0	0
Significant Unobservable Inputs (Level 3) \| Recurring fair value measurements \| Obligations of states and political subdivisions
Available for sale debt securities:
Available for sale debt securities	0	0
Significant Unobservable Inputs (Level 3) \| Recurring fair value measurements \| Residential mortgage-backed securities
Available for sale debt securities:
Available for sale debt securities	0	0
Significant Unobservable Inputs (Level 3) \| Recurring fair value measurements \| Corporate and other debt securities
Available for sale debt securities:
Available for sale debt securities	0	0
Significant Unobservable Inputs (Level 3) \| Recurring fair value measurements \| U.S. Treasury securities
Available for sale debt securities:
Available for sale debt securities	0
Significant Unobservable Inputs (Level 3) \| Non-recurring fair value measurements
Non-recurring fair value measurements:
Collateral dependent loans	66,144	47,871
Foreclosed assets	1,200	2,931
Total	67,344	50,802
NAV
Investment securities:
Equity securities	$ 11,200	$ 11,600

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Amount excluding accrued interest, 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, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current.

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Fair value of asset after deduction of liability.

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Carrying amount as of the balance sheet date of all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings or defeasance; includes real and personal property; equity interests in corporations, partnerships, and joint ventures; and beneficial interests in trusts.

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Fair value of financial and nonfinancial obligations.

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Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading).

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Fair value of the collateral dependent impaired loans.

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