Derivative Instruments and Hedge Activities - Summary of Other Interest Rate Derivatives (Details) - USD ($)	3 Months Ended
	Mar. 31, 2020	Dec. 31, 2019
Derivative [Line Items]
Notional Amount	$ 382,352,000	$ 341,358,000
Derivative assets fair value	19,066,000	7,960,000
Derivative liabilities fair value	20,359,000	$ 8,519,000
Other Interest Rate Derivatives
Derivative [Line Items]
Notional Amount	373,266,000
Derivative assets fair value	19,066,000
Derivative liabilities fair value	$ 20,335,000
Weighted average pay rates	4.47%
Weighted average receive rates	3.76%
Weighted average maturity	6 years 4 months 24 days