Fair Value of Financial Instruments - Fair Value Measured on a Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Securities available for sale, at fair value: (assets pledged of $193,558 and $172,235, respectively; $13,192 and $13,023 at fair value pursuant to the fair value option, respectively)	$ 811,928	$ 735,357
Collateralized Mortgage Backed Securities
Securities available for sale, at fair value: (assets pledged of $193,558 and $172,235, respectively; $13,192 and $13,023 at fair value pursuant to the fair value option, respectively)	380,110	384,283
Other Securities [Member]
Securities available for sale, at fair value: (assets pledged of $193,558 and $172,235, respectively; $13,192 and $13,023 at fair value pursuant to the fair value option, respectively)	1,445	1,516
Fair Value, Measurements, Recurring [Member]
Total assets	877,000	809,943
Financial and Nonfinancial Liabilities, Fair Value Disclosure	66,846	68,914
Fair Value, Measurements, Recurring [Member] \| Collateralized Mortgage Backed Securities
Securities available for sale, at fair value: (assets pledged of $193,558 and $172,235, respectively; $13,192 and $13,023 at fair value pursuant to the fair value option, respectively)	380,110	384,283
Fair Value, Measurements, Recurring [Member] \| Other Securities [Member]
Securities available for sale, at fair value: (assets pledged of $193,558 and $172,235, respectively; $13,192 and $13,023 at fair value pursuant to the fair value option, respectively)	431,818	351,074
Fair Value, Measurements, Recurring [Member] \| Interest Rate Swap [Member]
Interest Rate Swaps, Net Amount	65,072	74,586
Interest Rate Swaps, Net Amount	18,729	18,407
Fair Value, Measurements, Recurring [Member] \| Junior Subordinated Debentures [Member]
Borrowings	48,117	50,507
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member]
Total assets	11,460	11,211
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member] \| Other Securities [Member]
Securities available for sale, at fair value: (assets pledged of $193,558 and $172,235, respectively; $13,192 and $13,023 at fair value pursuant to the fair value option, respectively)	11,460	11,211
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Total assets	864,095	797,216
Financial and Nonfinancial Liabilities, Fair Value Disclosure	18,729	18,407
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Collateralized Mortgage Backed Securities
Securities available for sale, at fair value: (assets pledged of $193,558 and $172,235, respectively; $13,192 and $13,023 at fair value pursuant to the fair value option, respectively)	380,110	384,283
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Other Securities [Member]
Securities available for sale, at fair value: (assets pledged of $193,558 and $172,235, respectively; $13,192 and $13,023 at fair value pursuant to the fair value option, respectively)	418,913	338,347
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Interest Rate Swap [Member]
Interest Rate Swaps, Net Amount	65,072	74,586
Interest Rate Swaps, Net Amount	18,729	18,407
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Total assets	1,445	1,516
Financial and Nonfinancial Liabilities, Fair Value Disclosure	48,117	50,507
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member] \| Other Securities [Member]
Securities available for sale, at fair value: (assets pledged of $193,558 and $172,235, respectively; $13,192 and $13,023 at fair value pursuant to the fair value option, respectively)	1,445	1,516
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member] \| Junior Subordinated Debentures [Member]
Borrowings	48,117	50,507
Fair Value, Measurements, Nonrecurring [Member]
Total assets	8,535	18,330
Financial and Nonfinancial Liabilities, Fair Value Disclosure	0	0
Fair Value, Measurements, Nonrecurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Total assets	$ 8,535	$ 18,330

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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