Fair Value Measurements - Schedule of Recorded Amount of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available-for-sale:		$ 1,598,666
Total liabilities measured at fair value on a recurring basis	$ 25,221
U. S. agency securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available-for-sale:	674,467	669,728
Residential mortgage-backed securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available-for-sale:	800,242	820,503
Loans held for sale	6,488	6,734
Commercial mortgage-backed securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available-for-sale:	50,282	50,213
Municipal bonds
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available-for-sale:	8,482	10,087
Corporate bonds
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available-for-sale:	1,781	1,808
Fair Value, Inputs, Level 2 | Credit risk participation agreements
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative liability	3	2
Recurring
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held for sale	6,488	6,734
Assets measured at fair value on a nonrecurring basis	1,614,546	1,636,532
Derivative liability		2
Total liabilities measured at fair value on a recurring basis		30,067
Recurring | Interest rate derivatives
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative asset	25,844	31,039
Derivative liability	25,218	30,065
Recurring | Credit risk participation agreements
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative liability	3
Recurring | U.S treasury bonds
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available-for-sale:	46,931	46,326
Recurring | U. S. agency securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available-for-sale:	674,467	669,728
Recurring | Residential mortgage-backed securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available-for-sale:	800,242	820,502
Recurring | Commercial mortgage-backed securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available-for-sale:	50,282	50,214
Recurring | Municipal bonds
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available-for-sale:	8,482	10,088
Recurring | Corporate bonds
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available-for-sale:	1,781	1,808
Recurring | Mortgage banking derivatives | Derivative Financial Instruments, Assets
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative asset	29	93
Recurring | Fair Value, Inputs, Level 1
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held for sale	0	0
Assets measured at fair value on a nonrecurring basis	0	0
Derivative liability		0
Total liabilities measured at fair value on a recurring basis	0	0
Recurring | Fair Value, Inputs, Level 1 | Interest rate derivatives
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative asset	0	0
Derivative liability	0	0
Recurring | Fair Value, Inputs, Level 1 | Credit risk participation agreements
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative liability	0
Recurring | Fair Value, Inputs, Level 1 | U.S treasury bonds
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available-for-sale:	0	0
Recurring | Fair Value, Inputs, Level 1 | U. S. agency securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available-for-sale:	0	0
Recurring | Fair Value, Inputs, Level 1 | Residential mortgage-backed securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available-for-sale:	0	0
Recurring | Fair Value, Inputs, Level 1 | Commercial mortgage-backed securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available-for-sale:	0	0
Recurring | Fair Value, Inputs, Level 1 | Municipal bonds
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available-for-sale:	0	0
Recurring | Fair Value, Inputs, Level 1 | Corporate bonds
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available-for-sale:	0	0
Recurring | Fair Value, Inputs, Level 1 | Mortgage banking derivatives | Derivative Financial Instruments, Assets
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative asset	0	0
Recurring | Fair Value, Inputs, Level 2
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held for sale	6,488	6,734
Assets measured at fair value on a nonrecurring basis	1,614,517	1,636,439
Derivative liability		2
Total liabilities measured at fair value on a recurring basis	25,221	30,067
Recurring | Fair Value, Inputs, Level 2 | Interest rate derivatives
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative asset	25,844	31,039
Derivative liability	25,218	30,065
Recurring | Fair Value, Inputs, Level 2 | Credit risk participation agreements
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative liability	3
Recurring | Fair Value, Inputs, Level 2 | U.S treasury bonds
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available-for-sale:	46,931	46,326
Recurring | Fair Value, Inputs, Level 2 | U. S. agency securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available-for-sale:	674,467	669,728
Recurring | Fair Value, Inputs, Level 2 | Residential mortgage-backed securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available-for-sale:	800,242	820,502
Recurring | Fair Value, Inputs, Level 2 | Commercial mortgage-backed securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available-for-sale:	50,282	50,214
Recurring | Fair Value, Inputs, Level 2 | Municipal bonds
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available-for-sale:	8,482	10,088
Recurring | Fair Value, Inputs, Level 2 | Corporate bonds
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available-for-sale:	1,781	1,808
Recurring | Fair Value, Inputs, Level 2 | Mortgage banking derivatives | Derivative Financial Instruments, Assets
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative asset	0	0
Recurring | Fair Value, Inputs, Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held for sale	0	0
Assets measured at fair value on a nonrecurring basis	29	93
Derivative liability		0
Total liabilities measured at fair value on a recurring basis	0	0
Recurring | Fair Value, Inputs, Level 3 | Interest rate derivatives
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative asset	0	0
Derivative liability	0	0
Recurring | Fair Value, Inputs, Level 3 | Credit risk participation agreements
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative liability	0
Recurring | Fair Value, Inputs, Level 3 | U.S treasury bonds
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available-for-sale:	0	0
Recurring | Fair Value, Inputs, Level 3 | U. S. agency securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available-for-sale:	0	0
Recurring | Fair Value, Inputs, Level 3 | Residential mortgage-backed securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available-for-sale:	0	0
Recurring | Fair Value, Inputs, Level 3 | Commercial mortgage-backed securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available-for-sale:	0	0
Recurring | Fair Value, Inputs, Level 3 | Municipal bonds
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available-for-sale:	0	0
Recurring | Fair Value, Inputs, Level 3 | Corporate bonds
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available-for-sale:	0	0
Recurring | Fair Value, Inputs, Level 3 | Mortgage banking derivatives | Derivative Financial Instruments, Assets
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative asset	$ 29	$ 93