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Securities - Debt Securities, Held-to-maturity, Credit Quality Indicator (Details) $ in Thousands	Dec. 31, 2021 USD ($)
Investment And Mortgage Backed Securities
Securities Financing Transaction [Line Items]
Debt securities held to maturity net of allowance for credit losses	$ 382,319
Investment Grade | Investment And Mortgage Backed Securities
Securities Financing Transaction [Line Items]
Debt securities held to maturity net of allowance for credit losses	367,516
Non-Investment Grade/Non-rated | Investment And Mortgage Backed Securities
Securities Financing Transaction [Line Items]
Debt securities held to maturity net of allowance for credit losses	14,803
State, municipal, and sovereign debt obligations | Investment securities
Securities Financing Transaction [Line Items]
Debt securities held to maturity net of allowance for credit losses	281,389
State, municipal, and sovereign debt obligations | Investment Grade | Investment securities
Securities Financing Transaction [Line Items]
Debt securities held to maturity net of allowance for credit losses	281,389
State, municipal, and sovereign debt obligations | Non-Investment Grade/Non-rated | Investment securities
Securities Financing Transaction [Line Items]
Debt securities held to maturity net of allowance for credit losses	0
Corporate debt securities | Investment securities
Securities Financing Transaction [Line Items]
Debt securities held to maturity net of allowance for credit losses	68,823
Corporate debt securities | Investment Grade | Investment securities
Securities Financing Transaction [Line Items]
Debt securities held to maturity net of allowance for credit losses	54,020
Corporate debt securities | Non-Investment Grade/Non-rated | Investment securities
Securities Financing Transaction [Line Items]
Debt securities held to maturity net of allowance for credit losses	14,803
Mortgage-backed securities: | Non-agency commercial
Securities Financing Transaction [Line Items]
Debt securities held to maturity net of allowance for credit losses	32,107
Mortgage-backed securities: | Investment Grade | Non-agency commercial
Securities Financing Transaction [Line Items]
Debt securities held to maturity net of allowance for credit losses	32,107
Mortgage-backed securities: | Non-Investment Grade/Non-rated | Non-agency commercial
Securities Financing Transaction [Line Items]
Debt securities held to maturity net of allowance for credit losses	$ 0

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- Definition

Debt Securities Held To Maturity Net Of Allowance For Credit Losses

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