Securities - Unrealized Losses (Details) $ in Thousands	Mar. 31, 2022 USD ($) Securities	Dec. 31, 2021 USD ($) Securities
Less than 12 Months
Fair Value	$ 374,284	$ 161,024
Unrealized Losses	$ 31,918	$ 2,546
Number of Securities \| Securities	199	57
12 Months or More
Fair Value	$ 42,712	$ 1,310
Unrealized Losses	$ 4,982	$ 0
Number of Securities \| Securities	15	4
Total
Fair Value	$ 416,996	$ 162,334
Unrealized Losses	$ 36,900	$ 2,546
Number of Securities \| Securities	214	61
Mortgage-backed - GSE residential
Less than 12 Months
Fair Value	$ 124,358	$ 87,306
Unrealized Losses	$ 6,835	$ 1,774
Number of Securities \| Securities	30	16
12 Months or More
Fair Value	$ 36,252	$ 0
Unrealized Losses	$ 4,278	$ 0
Number of Securities \| Securities	6	0
Total
Fair Value	$ 160,610	$ 87,306
Unrealized Losses	$ 11,113	$ 1,774
Number of Securities \| Securities	36	16
Collateralized mortgage obligations - GSE residential
Less than 12 Months
Fair Value	$ 12,339	$ 803
Unrealized Losses	$ 237	$ 10
Number of Securities \| Securities	17	2
12 Months or More
Fair Value	$ 560	$ 0
Unrealized Losses	$ 14	$ 0
Number of Securities \| Securities	1	0
Total
Fair Value	$ 12,899	$ 803
Unrealized Losses	$ 251	$ 10
Number of Securities \| Securities	18	2
State and political subdivisions
Less than 12 Months
Fair Value	$ 232,842	$ 72,915
Unrealized Losses	$ 24,747	$ 762
Number of Securities \| Securities	149	39
12 Months or More
Fair Value	$ 5,900	$ 1,310
Unrealized Losses	$ 690	$ 0
Number of Securities \| Securities	8	4
Total
Fair Value	$ 238,742	$ 74,225
Unrealized Losses	$ 25,437	$ 762
Number of Securities \| Securities	157	43
Corporate bonds
Less than 12 Months
Fair Value	$ 4,745	$ 0
Unrealized Losses	$ 99	$ 0
Number of Securities \| Securities	3	0
12 Months or More
Fair Value	$ 0	$ 0
Unrealized Losses	$ 0	$ 0
Number of Securities \| Securities	0	0
Total
Fair Value	$ 4,745	$ 0
Unrealized Losses	$ 99	$ 0
Number of Securities \| Securities	3	0

Available For Sale Securities, Less Than Twelve Months [Abstract]

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Available For Sale Securities, Twelve Months Or Longer [Abstract]

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without an allowance for credit loss. Includes beneficial interest in securitized financial asset.

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