Derivatives - Additional Information (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2021 USD ($) contract	Dec. 31, 2020 USD ($)
Derivative [Line Items]
Loss recognized in OCI	$ 200
Reclassification from AOCI into income	42
Back-to-back swaps
Derivative [Line Items]
Notional amount	$ 183,491	$ 182,379
Weighted average maturity (in years)	7 years 4 months 24 days	7 years 6 months
Back-to-back swaps | Other Assets and Other Liabilities
Derivative [Line Items]
Fair value of derivatives assets and liabilities	$ 10,527	$ 13,339
Interest rate floors
Derivative [Line Items]
Notional amount	$ 300,000	300,000
Number of derivative contracts | contract	2
Amount expected to be reclassified from accumulated other comprehensive income into interest income	$ 300
Interest rate floors | Other Assets
Derivative [Line Items]
Fair value of derivatives assets and liabilities	778	1,004
Fair value of derivative assets	800	$ 1,000
Interest Rate Floor, October 2023 Maturity
Derivative [Line Items]
Notional amount	150,000
Interest Rate Floor, November 2023 Maturity
Derivative [Line Items]
Notional amount	$ 150,000