Derivative Instruments - Schedule of Notional and Fair Value of Derivative Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Derivatives, Fair Value [Line Items]
Derivative assets, fair value	$ 10,643	$ 3,866
Derivative liabilities, fair value	16,705	21,107
Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivative assets, notional amount	794,973	812,634
Derivative assets, fair value	16,966	29,708
Derivative liabilities, notional amount	938,021	938,933
Derivative liabilities, fair value	8,356	14,974
Other Assets | Not Designated as Hedging Instrument | Interest Rate Contract
Derivatives, Fair Value [Line Items]
Derivative assets, notional amount	204,113	222,933
Derivative assets, fair value	6,450	9,884
Other Assets | Not Designated as Hedging Instrument | Interest Rate Lock Commitments
Derivatives, Fair Value [Line Items]
Derivative assets, notional amount	517,860	589,701
Derivative assets, fair value	10,448	19,824
Other Assets | Not Designated as Hedging Instrument | Forward Commitments
Derivatives, Fair Value [Line Items]
Derivative assets, notional amount	73,000	0
Derivative assets, fair value	68	0
Other Assets | Designated as Hedging Instrument | Interest Rate Swap | Cash Flow Hedging
Derivatives, Fair Value [Line Items]
Derivative assets, notional amount	200,000	175,000
Derivative assets, fair value	10,504	3,866
Other Liabilities | Not Designated as Hedging Instrument | Interest Rate Contract
Derivatives, Fair Value [Line Items]
Derivative liabilities, notional amount	204,113	222,933
Derivative liabilities, fair value	6,450	9,884
Other Liabilities | Not Designated as Hedging Instrument | Interest Rate Lock Commitments
Derivatives, Fair Value [Line Items]
Derivative liabilities, notional amount	10,908	0
Derivative liabilities, fair value	28	0
Other Liabilities | Not Designated as Hedging Instrument | Forward Commitments
Derivatives, Fair Value [Line Items]
Derivative liabilities, notional amount	723,000	716,000
Derivative liabilities, fair value	1,878	5,090
Other Liabilities | Designated as Hedging Instrument | Interest Rate Swap | Cash Flow Hedging
Derivatives, Fair Value [Line Items]
Derivative liabilities, notional amount	62,000	87,000
Derivative liabilities, fair value	4,062	5,924
Other Liabilities | Designated as Hedging Instrument | Interest Rate Swap | Fair Value Hedging
Derivatives, Fair Value [Line Items]
Derivative liabilities, notional amount	100,000	100,000
Derivative liabilities, fair value	$ 4,386	$ 209