Derivatives - Schedule of Derivative Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Back-to-back swaps
Derivative Instruments, Gain (Loss) [Line Items]
Notional amount	$ 180,610	$ 182,379
Back-to-back swaps | Other Assets and Other Liabilities
Derivative Instruments, Gain (Loss) [Line Items]
Fair value of derivative assets and liabilities	9,110	13,339
Interest rate floors
Derivative Instruments, Gain (Loss) [Line Items]
Notional amount	300,000	300,000
Interest rate floors | Other Assets
Derivative Instruments, Gain (Loss) [Line Items]
Fair value of derivative assets and liabilities	$ 514	$ 1,004