Cash and Cash Equivalents	6 Months Ended
Jun. 30, 2022
Cash and Cash Equivalents [Abstract]
Cash and Cash Equivalents	5. Cash and cash equivalents At June 30, 2022 and December 31, 2021, cash and cash equivalents totaled $25.0 million and $180.2 million, respectively. There were no amounts required to be maintained at the Federal Reserve Bank of Boston at June 30, 2022 and December 31, 2021. At June 30, 2022 and December 31, 2021, the Company pledged $500,000 to the New Hampshire Banking Department relating to Cambridge Trust Company of New Hampshire, Inc.’s operations in that state. The Company did not have any cash pledged as collateral to derivative counterparties at June 30, 2022, as compared to the $13.3 million pledged at December 31, 2021. See Note 16- Derivative and Hedging Activities for a discussion of the Company’s derivative and hedging activities.

The entire disclosure for cash and cash equivalent footnotes, which may include the types of deposits and money market instruments, applicable carrying amounts, restricted amounts and compensating balance arrangements. Cash and equivalents include: (1) currency on hand (2) demand deposits with banks or financial institutions (3) other kinds of accounts that have the general characteristics of demand deposits (4) 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. Generally, only investments maturing within three months from the date of acquisition qualify.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(1))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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