Borrowings Schedule of Borrowings (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Schedule of Borrowings [Line Items]
Long-term Debt	$ 7,724	$ 10,313
Advances from Federal Home Loan Banks	119,745	60,038
Junior subordinated debentures	29,000	24,000
Short Term and Long Term Borrowings	348,799	249,739
Securities Sold under Agreements to Repurchase [Member]
Schedule of Borrowings [Line Items]
Short-term Debt	$ 192,330	$ 155,388

[Line Items] for Schedule of of short-term and long-term Borrowings [Table]

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Total balance of Short Term and Long Term Borrowings and end of period

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Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages.

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Including the current and noncurrent portions, the carrying value of junior subordinated long-term debt owed to unconsolidated subsidiary trusts as of the balance sheet date. Such debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets and was initially scheduled to be repaid after one year or beyond the normal operating cycle if longer.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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