Fair Value - Assets and Liabilities Measured on a Recurring basis (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Available for sale securities:
Securities available-for-sale, carried at fair value	$ 1,140,466	$ 1,206,260
Collateralized mortgage obligations [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	281,988	260,168
Fair Value, Inputs, Level 2 [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	1,140,466	1,206,260
Fair Value, Inputs, Level 2 [Member] | Collateralized mortgage obligations [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	281,988	260,168
Obligations of U.S. government corporations and agencies [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	153,022	174,710
Obligations of U.S. government corporations and agencies [Member] | Fair Value, Inputs, Level 2 [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	153,022	174,710
Mortgage-Backed Securities [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	185,396	206,751
Mortgage-Backed Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	185,396	206,751
Asset-backed Securities [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	204,982	220,536
Asset-backed Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	204,982	220,536
Corporate bonds [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	70,912	70,893
Corporate bonds [Member] | Fair Value, Inputs, Level 2 [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	70,912	70,893
Obligations of state and political subdivisions [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	244,166	273,202
Obligations of state and political subdivisions [Member] | Fair Value, Inputs, Level 2 [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	244,166	273,202
Equity Securities [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	13,293	14,097
Equity Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	13,293	14,097
Loans Held for Sale, at Fair Value [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	145,092	162,947
Loans Held for Sale, at Fair Value [Member] | Fair Value, Inputs, Level 2 [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	28,077	28,780
Loans Held for Sale, at Fair Value [Member] | Fair Value, Inputs, Level 3 [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	117,015	134,167
Interest Rate Swap Assets [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	3,338	1,287
Interest Rate Swap Assets [Member] | Fair Value, Inputs, Level 2 [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	3,338	1,287
Cash Flow Hedge Derivative Asset [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value		854
Cash Flow Hedge Derivative Asset [Member] | Fair Value, Inputs, Level 2 [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value		854
Mortgage banking derivative [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	1,851	2,336
Mortgage banking derivative [Member] | Fair Value, Inputs, Level 2 [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	1,851	2,336
Interest Rate Swap Liability [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	3,338	1,292
Interest Rate Swap Liability [Member] | Fair Value, Inputs, Level 2 [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	3,338	$ 1,292
Cash Flow Hedge Derivative Liability [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	27,849
Cash Flow Hedge Derivative Liability [Member] | Fair Value, Inputs, Level 2 [Member]
Available for sale securities:
Securities available-for-sale, carried at fair value	$ 27,849