Loans - Composition of Loan Portfolio (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees	$ 8,101,287	$ 7,866,050
Non-owner occupied commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees	2,991,124	2,906,014
Owner occupied commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees	1,201,049	1,246,189
Multifamily
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees	1,314,255	1,260,814
Non-owner occupied residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees	205,818	218,026
Commercial, industrial and other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees	594,790	606,711
Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees	354,918	380,100
Equipment finance
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees	173,469	151,574
Residential mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees	922,109	765,552
Home equity and consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees	$ 343,755	$ 331,070