Loans Receivable and Allowance for Credit Losses - TDR Post-Modifications (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment	$ 39,112	$ 21,329	$ 156,914
Principal
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment	24,935	5,745	81,581
Principal and Interest
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment	0	0	10,863
Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment	0	15,584	31,913
Interest Deferments
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment	0	0	32,557
Other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment	14,177	0	0
Commercial Portfolio Segment [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment	38,415	21,329	156,914
Commercial Portfolio Segment [Member] | Principal
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment	24,238	5,745	81,581
Commercial Portfolio Segment [Member] | Principal and Interest
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment	0	0	10,863
Commercial Portfolio Segment [Member] | Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment	0	15,584	31,913
Commercial Portfolio Segment [Member] | Interest Deferments
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment	0	0	32,557
Commercial Portfolio Segment [Member] | Other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment	14,177	0	0
Commercial Portfolio Segment [Member] | C&I
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment	38,415	20,263	134,467
Commercial Portfolio Segment [Member] | C&I | Principal
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment	24,238	4,679	59,134
Commercial Portfolio Segment [Member] | C&I | Principal and Interest
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment	0	0	10,863
Commercial Portfolio Segment [Member] | C&I | Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment	0	15,584	31,913
Commercial Portfolio Segment [Member] | C&I | Interest Deferments
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment	0	0	32,557
Commercial Portfolio Segment [Member] | C&I | Other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment	14,177	0	0
Commercial Portfolio Segment [Member] | Real estate loan | Multifamily
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment		1,066	1,226
Commercial Portfolio Segment [Member] | Real estate loan | Principal | Multifamily
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment		1,066	1,226
Commercial Portfolio Segment [Member] | Real estate loan | Principal and Interest | Multifamily
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment		0	0
Commercial Portfolio Segment [Member] | Real estate loan | Interest Rate Reduction | Multifamily
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment		0	0
Commercial Portfolio Segment [Member] | Real estate loan | Interest Deferments | Multifamily
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment		0	0
Commercial Portfolio Segment [Member] | Real estate loan | Other | Multifamily
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment		0
Commercial Portfolio Segment [Member] | Real estate loan | Other Modifications | Multifamily
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment			0
Commercial Portfolio Segment [Member] | Total CRE
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment		1,066	22,447
Commercial Portfolio Segment [Member] | Total CRE | Principal
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment		1,066	22,447
Commercial Portfolio Segment [Member] | Total CRE | Principal and Interest
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment		0	0
Commercial Portfolio Segment [Member] | Total CRE | Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment		0	0
Commercial Portfolio Segment [Member] | Total CRE | Interest Deferments
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment		0	0
Commercial Portfolio Segment [Member] | Total CRE | Other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment		$ 0	0
Commercial Portfolio Segment [Member] | CRE
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment			21,221
Commercial Portfolio Segment [Member] | CRE | Principal
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment			21,221
Commercial Portfolio Segment [Member] | CRE | Principal and Interest
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment			0
Commercial Portfolio Segment [Member] | CRE | Interest Deferments
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment			0
Commercial Portfolio Segment [Member] | CRE | Other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment			0
Commercial Portfolio Segment [Member] | CRE | Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment			$ 0
Consumer Lending
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment	697
Consumer Lending | Principal
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment	697
Consumer Lending | Principal and Interest
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment	0
Consumer Lending | Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment	0
Consumer Lending | Interest Deferments
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment	0
Consumer Lending | Other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment	0
Consumer Lending | HELOCs
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment	697
Consumer Lending | HELOCs | Principal
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment	697
Consumer Lending | HELOCs | Principal and Interest
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment	0
Consumer Lending | HELOCs | Interest Deferments
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment	0
Consumer Lending | HELOCs | Other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment	0
Consumer Lending | HELOCs | Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment	0
Consumer Lending | Total residential mortgage
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment	697
Consumer Lending | Total residential mortgage | Principal
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment	697
Consumer Lending | Total residential mortgage | Principal and Interest
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment	0
Consumer Lending | Total residential mortgage | Interest Deferments
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment	0
Consumer Lending | Total residential mortgage | Other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment	0
Consumer Lending | Total residential mortgage | Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-modification outstanding recorded investment	$ 0