Derivative Financial Instruments - Schedule of Notional Amount and Fair Value Derivative Financial Instruments (Detail) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Derivative [Line Items]
Asset derivatives, notional amount	$ 1,041,461	$ 1,134,568
Asset derivatives designated as hedging instruments	62,261	32,265
Liability derivatives, notional amount	142,245	662,195
Liability derivatives not designated as hedging instruments	1,922	3,728
Designated as Hedging Instrument [Member]
Derivative [Line Items]
Asset derivatives, notional amount	557,244	500,000
Liability derivatives, notional amount	0	72,447
Asset derivatives not designated as hedging instruments	57,166	21,328
Liability derivatives designated as hedging instruments	0	3,197
Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Asset derivatives, notional amount	484,217	634,568
Asset derivatives designated as hedging instruments	5,095	10,937
Liability derivatives, notional amount	142,245	589,748
Liability derivatives not designated as hedging instruments	1,922	531
Fair Value Hedging [Member]
Derivative [Line Items]
Liability derivatives, notional amount	0	72,447
Liability derivatives designated as hedging instruments	0	3,197
Fair Value Hedging [Member] \| Designated as Hedging Instrument [Member]
Derivative [Line Items]
Asset derivatives, notional amount	57,244	0
Asset derivatives designated as hedging instruments	1,849	0
Cash Flow Hedging [Member] \| Designated as Hedging Instrument [Member]
Derivative [Line Items]
Asset derivatives, notional amount	500,000	500,000
Asset derivatives designated as hedging instruments	55,317	21,328
Other Assets [Member] \| Not Designated as Hedging Instrument [Member] \| TBA Mortgage Backed Securities [Member]
Derivative [Line Items]
Asset derivatives, notional amount	238,555	133,747
Asset derivatives not designated as hedging instruments	764	127
Other Assets [Member] \| Fair Value Hedging [Member] \| Not Designated as Hedging Instrument [Member] \| Interest Rate Lock Commitments [Member]
Derivative [Line Items]
Asset derivatives, notional amount	214,578	467,472
Asset derivatives designated as hedging instruments	4,219	10,380
Other Liabilities [Member] \| Not Designated as Hedging Instrument [Member] \| TBA Mortgage Backed Securities [Member]
Derivative [Line Items]
Liability derivatives, notional amount	0	550,000
Liability derivatives not designated as hedging instruments	0	470
Other Liabilities [Member] \| Not Designated as Hedging Instrument [Member] \| Interest Rate Lock Commitments [Member]
Derivative [Line Items]
Liability derivatives, notional amount	136,889	24,743
Liability derivatives not designated as hedging instruments	1,879	25
Interest Rate Swap Contracts [Member] \| Other Assets [Member] \| Fair Value Hedging [Member] \| Designated as Hedging Instrument [Member]
Derivative [Line Items]
Asset derivatives, notional amount	57,244	0
Asset derivatives designated as hedging instruments	1,849	0
Interest Rate Swap Contracts [Member] \| Other Assets [Member] \| Cash Flow Hedging [Member] \| Designated as Hedging Instrument [Member] \| Hedged Commercial Loans Federal Home Loan Bank [Member]
Derivative [Line Items]
Asset derivatives, notional amount	500,000	500,000
Asset derivatives designated as hedging instruments	55,317	21,328
Interest Rate Swap Contracts [Member] \| Other Liabilities [Member] \| Fair Value Hedging [Member] \| Designated as Hedging Instrument [Member] \| Hedged Commercial Loans [Member]
Derivative [Line Items]
Liability derivatives, notional amount	0	72,447
Liability derivatives designated as hedging instruments	0	3,197
Forward Loan Sale Commitments [Member] \| Other Assets [Member] \| Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Asset derivatives, notional amount	31,084	33,349
Asset derivatives not designated as hedging instruments	112	430
Forward Loan Sale Commitments [Member] \| Other Liabilities [Member] \| Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Liability derivatives, notional amount	5,356	15,005
Liability derivatives not designated as hedging instruments	$ 43	$ 36

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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
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-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
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-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959

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Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as a liability.

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

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959

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