Derivative Instruments and Hedge Activities - Additional Information (Details) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Derivative [Line Items]
Derivative notional amount	$ 739,390,000		$ 391,847,000
Interest recorded	502,000	$ 1,897,000
Unrealized gain (loss) to be reclassified as an decrease to interest expense during the next twelve months	(347,000)
Fair value of derivatives net liability position	12,400,000
Collateral amount posted	8,600,000
Offsetting derivative positions	3,979,000
Settlement obligation termination value	8,400,000
Interest Rate Swap
Derivative [Line Items]
Interest recorded	21,000	21,000
Other Interest Rate Derivatives
Derivative [Line Items]
Derivative notional amount	$ 381,169,000
Derivative maturity date, start year	2022-01
Derivative maturity date, end year	2030-03
Derivative instruments transaction fees	$ 42,000	$ 506,000
Other Credit Derivatives
Derivative [Line Items]
Derivative notional amount	8,200,000		8,400,000
Cash Flow Hedging
Derivative [Line Items]
Derivative notional amount	350,000,000
Designated as Hedging Instrument | Cash Flow Hedging | Interest Rate Swap
Derivative [Line Items]
Derivative notional amount	350,000,000		0
Remaining balance in other comprehensive income	289,000		$ 304,000
Designated as Hedging Instrument | Cash Flow Hedging | Fixed Interest Rate Swaps Effective in March 2022
Derivative [Line Items]
Derivative notional amount	100,000,000.0
Designated as Hedging Instrument | Cash Flow Hedging | Fixed Interest Rate Swaps Effective in September 2022
Derivative [Line Items]
Derivative notional amount	50,000,000.0
Designated as Hedging Instrument | Cash Flow Hedging | Fixed Interest Rate Swaps Effective in March 2023
Derivative [Line Items]
Derivative notional amount	$ 200,000,000.0