Derivative and Hedging Activities - Additional Information (Details)	12 Months Ended
	Dec. 31, 2019 USD ($) instrument counterparty	Dec. 31, 2018 USD ($) instrument
Derivative [Line Items]
Amounts reclassified from AOCI to Income	$ 193,000
Number of counterparties | counterparty	4
Derivatives Not Designated as Hedging Instrument
Derivative [Line Items]
Credit derivatives, fair value	$ 47,323	$ 251,000
Derivative liabilities	37,200,000
Collateral against obligations	41,000,000.0
Designated as Hedging Instrument
Derivative [Line Items]
Aggregate notional amount for derivative liability	$ 130,000,000.0
Number of derivative liability instruments held | instrument	5
Interest Rate Products | Derivatives Not Designated as Hedging Instrument
Derivative [Line Items]
Number of derivative instruments held | instrument	92	62
Aggregate notional amount	$ 1,610,000,000	$ 1,010,000,000.00
Credit Risk Contract | Derivatives Not Designated as Hedging Instrument
Derivative [Line Items]
Number of derivative instruments held | instrument	13	7
Aggregate notional amount	$ 106,000,000.0	$ 66,800,000