Loans and Allowance for Credit Losses - Summary of Changes in Allowance for Credit Losses Disaggregated by Loan Category (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Financing Receivable Allowance For Credit Losses [Line Items]
Allowance for credit losses-loan portfolio, Beginning Balance	$ 37,020
Allowance for credit losses-loan portfolio, Ending Balance	35,880	$ 37,020
Funded Commitments
Financing Receivable Allowance For Credit Losses [Line Items]
Allowance for credit losses-loan portfolio, Beginning Balance	36,016	18,180
Provision for acquired loans		8,282
Initial allowance for PCD		437
Charge-offs	(87)	(704)
Recoveries	241	265
Provision for credit losses	(1,674)	9,351
Allowance for credit losses-loan portfolio, Ending Balance	34,496	36,016
Funded Commitments \| ASC 326
Financing Receivable Allowance For Credit Losses [Line Items]
Adoption of ASC 326		205
Unfunded Commitments
Financing Receivable Allowance For Credit Losses [Line Items]
Allowance for credit losses-loan portfolio, Beginning Balance	1,004	50
Acquired loan commitments		356
Provision for credit losses	380	322
Allowance for credit losses-unfunded commitments	1,384	1,004
Allowance for credit losses-loan portfolio, Ending Balance		1,004
Unfunded Commitments \| ASC 326
Financing Receivable Allowance For Credit Losses [Line Items]
Adoption of ASC 326		276
Residential Mortgage
Financing Receivable Allowance For Credit Losses [Line Items]
Allowance for credit losses-loan portfolio, Beginning Balance	13,067
Allowance for credit losses-loan portfolio, Ending Balance	13,383	13,067
Residential Mortgage \| Funded Commitments
Financing Receivable Allowance For Credit Losses [Line Items]
Allowance for credit losses-loan portfolio, Beginning Balance	13,067	5,141
Provision for acquired loans		2,880
Initial allowance for PCD		35
Charge-offs	(4)
Provision for credit losses	320	2,950
Allowance for credit losses-loan portfolio, Ending Balance	13,383	13,067
Residential Mortgage \| Funded Commitments \| ASC 326
Financing Receivable Allowance For Credit Losses [Line Items]
Adoption of ASC 326		2,061
Commercial Mortgage
Financing Receivable Allowance For Credit Losses [Line Items]
Allowance for credit losses-loan portfolio, Beginning Balance	18,564
Allowance for credit losses-loan portfolio, Ending Balance	17,133	18,564
Commercial Mortgage \| Funded Commitments
Financing Receivable Allowance For Credit Losses [Line Items]
Allowance for credit losses-loan portfolio, Beginning Balance	18,564	10,905
Provision for acquired loans		3,625
Initial allowance for PCD		382
Charge-offs		(264)
Recoveries	30
Provision for credit losses	(1,461)	5,363
Allowance for credit losses-loan portfolio, Ending Balance	17,133	18,564
Commercial Mortgage \| Funded Commitments \| ASC 326
Financing Receivable Allowance For Credit Losses [Line Items]
Adoption of ASC 326		(1,447)
Home Equity
Financing Receivable Allowance For Credit Losses [Line Items]
Allowance for credit losses-loan portfolio, Beginning Balance	552
Allowance for credit losses-loan portfolio, Ending Balance	406	552
Home Equity \| Funded Commitments
Financing Receivable Allowance For Credit Losses [Line Items]
Allowance for credit losses-loan portfolio, Beginning Balance	552	461
Provision for acquired loans		188
Provision for credit losses	(146)	108
Allowance for credit losses-loan portfolio, Ending Balance	406	552
Home Equity \| Funded Commitments \| ASC 326
Financing Receivable Allowance For Credit Losses [Line Items]
Adoption of ASC 326		(205)
Commercial & Industrial
Financing Receivable Allowance For Credit Losses [Line Items]
Allowance for credit losses-loan portfolio, Beginning Balance	3,309
Allowance for credit losses-loan portfolio, Ending Balance	2,989	3,309
Commercial & Industrial \| Funded Commitments
Financing Receivable Allowance For Credit Losses [Line Items]
Allowance for credit losses-loan portfolio, Beginning Balance	3,309	1,475
Provision for acquired loans		1,577
Initial allowance for PCD		20
Charge-offs	(41)	(400)
Recoveries	181	250
Provision for credit losses	(460)	879
Allowance for credit losses-loan portfolio, Ending Balance	2,989	3,309
Commercial & Industrial \| Funded Commitments \| ASC 326
Financing Receivable Allowance For Credit Losses [Line Items]
Adoption of ASC 326		(492)
Consumer
Financing Receivable Allowance For Credit Losses [Line Items]
Allowance for credit losses-loan portfolio, Beginning Balance	524
Allowance for credit losses-loan portfolio, Ending Balance	585	524
Consumer \| Funded Commitments
Financing Receivable Allowance For Credit Losses [Line Items]
Allowance for credit losses-loan portfolio, Beginning Balance	524	198
Provision for acquired loans		12
Charge-offs	(42)	(40)
Recoveries	30	15
Provision for credit losses	73	51
Allowance for credit losses-loan portfolio, Ending Balance	585	524
Consumer \| Funded Commitments \| ASC 326
Financing Receivable Allowance For Credit Losses [Line Items]
Adoption of ASC 326		288
Unfunded Commitments
Financing Receivable Allowance For Credit Losses [Line Items]
Allowance for credit losses-loan portfolio, Beginning Balance	1,004
Allowance for credit losses-loan portfolio, Ending Balance	1,384	1,004
Unfunded Commitments \| Unfunded Commitments
Financing Receivable Allowance For Credit Losses [Line Items]
Allowance for credit losses-loan portfolio, Beginning Balance	1,004	50
Acquired loan commitments		356
Provision for credit losses	380	322
Allowance for credit losses-unfunded commitments	$ 1,384	1,004
Allowance for credit losses-loan portfolio, Ending Balance		1,004
Unfunded Commitments \| Unfunded Commitments \| ASC 326
Financing Receivable Allowance For Credit Losses [Line Items]
Adoption of ASC 326		$ 276

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