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Restrictions on Cash and Cash Equivalents	12 Months Ended
	Dec. 31, 2018
Cash and Due from Banks [Abstract]
Restrictions on Cash and Cash Equivalents	NOTE 2 – RESTRICTIONS ON CASH AND CASH EQUIVALENTS The Corporation’s subsidiary banks are required to maintain reserves against their deposit liabilities. These reserves are in the form of cash and balances with the FRB, included in "interest-bearing deposits with other banks." The amounts of such reserves as of December 31, 2018 and 2017 were $156.8 million and $124.4 million, respectively. In addition, collateral is posted by the Corporation with counterparties to secure derivative contracts and other contracts, which are included in "interest-bearing deposits with other banks". The amounts of such collateral as of December 31, 2018 and 2017 were $45.1 million and $14.0 million, respectively.

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- Definition

Tabular disclosure of cash and cash equivalents restricted as to withdrawal or usage.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
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