Fair Value Measurements - Recurring (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Assets:
Securities available-for-sale	$ 1,692,488	$ 496,178
Mortgage servicing rights	7,097	4,224
US Treasury Securities
Assets:
Securities available-for-sale	202,339	4,117
US Government Corporations and Agencies Securities
Assets:
Securities available-for-sale	61,888	6,657
States and political subdivisions
Assets and liabilities measured at fair value on a recurring basis
Purchases	9,919	13,086
Assets:
Securities available-for-sale	256,465	249,259
Corporate bonds
Assets:
Securities available-for-sale	9,887
Collateralized loan obligations
Assets:
Securities available-for-sale	672,967	56,585
Asset-backed Securities
Assets:
Securities available-for-sale	236,877	131,818
Collateralized loan obligations.
Assets:
Securities available-for-sale	79,763	30,533
Fair Value, Inputs, Level 1 [Member]
Assets:
Securities available-for-sale	202,339	4,117
Fair Value, Inputs, Level 2 [Member]
Assets:
Securities available-for-sale	1,476,057	487,742
Loans held-for-sale	4,737	12,611
Other assets	3,494	9,388
Liabilities:
Other liabilities	6,788	13,071
Fair Value, Inputs, Level 3 [Member]
Assets:
Securities available-for-sale	14,092	4,319
Mortgage servicing rights	7,097	4,224
Fair Value, Inputs, Level 3 [Member] \| States and political subdivisions
Assets:
Securities available-for-sale	14,100	4,300
Fair Value, Measurements, Recurring [Member]
Assets:
Securities available-for-sale	4,737
Loans held-for-sale		12,611
Mortgage servicing rights	7,097	4,224
Total financial assets	1,708,324	523,241
Liabilities:
Total	6,809	13,159
Fair Value, Measurements, Recurring [Member] \| Interest Rate Swap [Member]
Assets:
Securities available-for-sale	3,494
Other assets		9,388
Liabilities:
Other liabilities	6,809	13,159
Fair Value, Measurements, Recurring [Member] \| Forward Contracts [Member]
Assets:
Securities available-for-sale	508
Other assets		840
Fair Value, Measurements, Recurring [Member] \| US Treasury Securities
Assets:
Securities available-for-sale	202,339	4,117
Fair Value, Measurements, Recurring [Member] \| US Government Corporations and Agencies Securities
Assets:
Securities available-for-sale	61,888	6,657
Fair Value, Measurements, Recurring [Member] \| Mortgage Backed Securities, Issued by US Government Agencies
Assets:
Securities available-for-sale	172,302	17,209
Fair Value, Measurements, Recurring [Member] \| States and political subdivisions
Assets:
Securities available-for-sale	256,465	249,259
Fair Value, Measurements, Recurring [Member] \| Corporate bonds
Assets:
Securities available-for-sale	9,887
Fair Value, Measurements, Recurring [Member] \| Collateralized loan obligations
Assets:
Securities available-for-sale	672,967	56,585
Fair Value, Measurements, Recurring [Member] \| Asset-backed Securities
Assets:
Securities available-for-sale	236,877	131,818
Fair Value, Measurements, Recurring [Member] \| Collateralized loan obligations.
Assets:
Securities available-for-sale	79,763	30,533
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member]
Assets:
Total financial assets	202,339	4,117
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member] \| US Treasury Securities
Assets:
Securities available-for-sale	202,339	4,117
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Assets:
Securities available-for-sale	4,737
Loans held-for-sale		12,611
Total financial assets	1,484,796	510,581
Liabilities:
Total	6,809	13,159
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Interest Rate Swap [Member]
Assets:
Securities available-for-sale	3,494
Other assets		9,388
Liabilities:
Other liabilities	6,809	13,159
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Forward Contracts [Member]
Assets:
Securities available-for-sale	508
Other assets		840
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| US Government Corporations and Agencies Securities
Assets:
Securities available-for-sale	61,888	6,657
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Mortgage Backed Securities, Issued by US Government Agencies
Assets:
Securities available-for-sale	172,302	17,209
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| States and political subdivisions
Assets:
Securities available-for-sale	242,373	244,940
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Corporate bonds
Assets:
Securities available-for-sale	9,887
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Collateralized loan obligations
Assets:
Securities available-for-sale	672,967	56,585
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Asset-backed Securities
Assets:
Securities available-for-sale	236,877	131,818
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Collateralized loan obligations.
Assets:
Securities available-for-sale	79,763	30,533
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Assets:
Mortgage servicing rights	7,097	4,224
Total financial assets	21,189	8,543
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member] \| States and political subdivisions
Assets:
Securities available-for-sale	$ 14,092	$ 4,319

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 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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Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Fair value of financial and nonfinancial obligations.

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Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.

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