Fair Value of Assets and Liabilities - Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale, at fair value	$ 853,649	$ 592,342
Derivative instruments	3,382	13,773
U.S. treasury and government agencies
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale, at fair value	5,103	5,907
Mortgage backed securities - Residential agency
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale, at fair value	707,157	306,719
Mortgage backed securities - Commercial
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale, at fair value	90,913	94,978
Asset backed securities
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale, at fair value	54	115
Corporate bonds
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale, at fair value	50,422	30,850
Recurring
Fair value, assets and liabilities measured on recurring and non recurring basis
Total available-for-sale investment securities	853,649	592,342
Derivative instruments	3,397	13,357
Derivative liabilities	1,368	2,911
Recurring | U.S. treasury and government agencies
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale, at fair value	5,103	5,907
Recurring | Obligations of state and political agencies
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale, at fair value		153,773
Recurring | Mortgage backed securities - Residential agency
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale, at fair value	707,157	306,719
Recurring | Mortgage backed securities - Commercial
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale, at fair value	90,913	94,978
Recurring | Asset backed securities
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale, at fair value	54	115
Recurring | Corporate bonds
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale, at fair value	50,422	30,850
Recurring | Level 2
Fair value, assets and liabilities measured on recurring and non recurring basis
Total available-for-sale investment securities	853,649	592,342
Derivative instruments	3,397	13,357
Derivative liabilities	1,368	2,911
Recurring | Level 2 | U.S. treasury and government agencies
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale, at fair value	5,103	5,907
Recurring | Level 2 | Obligations of state and political agencies
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale, at fair value		153,773
Recurring | Level 2 | Mortgage backed securities - Residential agency
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale, at fair value	707,157	306,719
Recurring | Level 2 | Mortgage backed securities - Commercial
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale, at fair value	90,913	94,978
Recurring | Level 2 | Asset backed securities
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale, at fair value	54	115
Recurring | Level 2 | Corporate bonds
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale, at fair value	$ 50,422	$ 30,850