Loans - Summary of Amortized Cost Basis of Collateral-dependent Loans by Class of Loans and Collateral Type (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 5,321,136	$ 5,229,700
Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	19,243	20,199
Equipment and Machinery [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		160
Inventory and Receivables [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	13,711	14,023
Vehicles [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	21	25
Collateral Pledged [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	32,975	34,407
Real Estate Loans [Member] | Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	78
Real Estate Loans [Member] | Real Estate [Member] | Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		226
Real Estate Loans [Member] | Real Estate [Member] | Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		18,399
Real Estate Loans [Member] | Real Estate [Member] | Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	17,592
Real Estate Loans [Member] | Collateral Pledged [Member] | Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	78	226
Real Estate Loans [Member] | Collateral Pledged [Member] | Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	17,592	18,399
Other Loans [Member] | Real Estate [Member] | Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	1,573
Other Loans [Member] | Real Estate [Member] | Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		1,574
Other Loans [Member] | Equipment and Machinery [Member] | Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		160
Other Loans [Member] | Inventory and Receivables [Member] | Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	13,711
Other Loans [Member] | Inventory and Receivables [Member] | Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		14,023
Other Loans [Member] | Vehicles [Member] | Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	21
Other Loans [Member] | Vehicles [Member] | Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		25
Other Loans [Member] | Collateral Pledged [Member] | Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 15,305	$ 15,782