Fair Value (Details 4) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Carrying amount and estimated fair value of financial instruments
Securities, available-for-sale	$ 1,338,452	$ 1,364,734
Restricted Investments	15,620	16,200
Accrued interest receivable	16,701	16,946
Deposits	(4,383,257)	(4,409,569)
Fair Value, Inputs, Level 1 [Member]
Carrying amount and estimated fair value of financial instruments
Cash and Cash Equivalents, Fair Value Disclosure	25,623	24,901
Federal Funds Sold and Securities Borrowed or Purchased under Agreements to Resell, Fair Value Disclosure	0	0
Securities, available-for-sale	0	0
Loans Receivable, Fair Value Disclosure	0	0
Accrued interest receivable	0	0
Deposits	0	0
Short-term borrowings	0	0
Other borrowings	0	0
Accrued interest payable	0	0
Fair Value, Inputs, Level 2 [Member]
Carrying amount and estimated fair value of financial instruments
Cash and Cash Equivalents, Fair Value Disclosure	386,513	657,906
Federal Funds Sold and Securities Borrowed or Purchased under Agreements to Resell, Fair Value Disclosure	11,133	308
Securities, available-for-sale	1,332,326	1,357,737
Loans Receivable, Fair Value Disclosure	0	0
Accrued interest receivable	6,338	4,709
Deposits	(4,390,916)	(4,418,117)
Short-term borrowings	(84,232)	(93,374)
Other borrowings	(15,446)	(16,483)
Accrued interest payable	(543)	(687)
Fair Value, Inputs, Level 3 [Member]
Carrying amount and estimated fair value of financial instruments
Cash and Cash Equivalents, Fair Value Disclosure	0	0
Federal Funds Sold and Securities Borrowed or Purchased under Agreements to Resell, Fair Value Disclosure	0	0
Securities, available-for-sale	6,126	6,997
Loans Receivable, Fair Value Disclosure	2,613,980	2,682,257
Accrued interest receivable	10,363	12,237
Deposits	0	0
Short-term borrowings	0	0
Other borrowings	0	0
Accrued interest payable	0	0
Reported Value Measurement [Member]
Carrying amount and estimated fair value of financial instruments
Cash and Cash Equivalents, Fair Value Disclosure	412,136	682,807
Federal Funds Sold and Securities Borrowed or Purchased under Agreements to Resell, Fair Value Disclosure	11,133	308
Securities, available-for-sale	1,338,452	1,364,734
Restricted Investments	15,620	16,200
Loans Receivable, Fair Value Disclosure	2,851,020	2,767,590
Accrued interest receivable	16,701	16,946
Deposits	(4,383,257)	(4,409,569)
Short-term borrowings	(84,232)	(93,374)
Other borrowings	(15,912)	(15,937)
Accrued interest payable	(543)	(687)
Estimate of Fair Value Measurement [Member]
Carrying amount and estimated fair value of financial instruments
Cash and Cash Equivalents, Fair Value Disclosure	412,136	682,807
Federal Funds Sold and Securities Borrowed or Purchased under Agreements to Resell, Fair Value Disclosure	11,133	308
Securities, available-for-sale	1,338,452	1,364,734
Loans Receivable, Fair Value Disclosure	2,613,980	2,682,257
Accrued interest receivable	16,701	16,946
Deposits	(4,390,916)	(4,418,117)
Short-term borrowings	(84,232)	(93,374)
Other borrowings	(15,446)	(16,483)
Accrued interest payable	$ (543)	$ (687)

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.

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Fair value portion of federal funds sold and securities borrowed or purchased under agreements to resell.

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Amount of interest payable on debt, including, but not limited to, trade payables.

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Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.

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The carrying amount as of the balance sheet date for the aggregate of other miscellaneous borrowings owed by the reporting entity.

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Investments which are not defined as or included in marketable (debt, equity, or other) securities whose use is restricted in whole or in part, generally by contractual agreements or regulatory requirements. For use in an unclassified balance sheet.

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