Securities - Credit Quality Indicator (Details) $ in Thousands	Jun. 30, 2022 USD ($)
Investment and Mortgage-Backed Securities
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items]
Debt securities, held-to-maturity	$ 362,692
Investment Grade | Investment and Mortgage-Backed Securities
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items]
Debt securities, held-to-maturity	344,802
Non-Investment Grade/Non-rated | Investment and Mortgage-Backed Securities
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items]
Debt securities, held-to-maturity	17,890
State, municipal and sovereign debt obligations | Investment securities
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items]
Debt securities, held-to-maturity	268,473
State, municipal and sovereign debt obligations | Investment Grade | Investment securities
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items]
Debt securities, held-to-maturity	266,455
State, municipal and sovereign debt obligations | Non-Investment Grade/Non-rated | Investment securities
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items]
Debt securities, held-to-maturity	2,018
Corporate debt securities | Investment securities
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items]
Debt securities, held-to-maturity	62,212
Corporate debt securities | Investment Grade | Investment securities
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items]
Debt securities, held-to-maturity	46,340
Corporate debt securities | Non-Investment Grade/Non-rated | Investment securities
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items]
Debt securities, held-to-maturity	15,872
Non-agency commercial MBS | Non-agency commercial
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items]
Debt securities, held-to-maturity	32,007
Non-agency commercial MBS | Investment Grade | Non-agency commercial
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items]
Debt securities, held-to-maturity	32,007
Non-agency commercial MBS | Non-Investment Grade/Non-rated | Non-agency commercial
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items]
Debt securities, held-to-maturity	$ 0