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Derivative Financial Instruments and Hedging - Schedule of Gross Notional and Fair Value Amounts of Derivatives (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Derivative [Line Items]
Notional values	$ 753,205	$ 549,966
Asset derivatives	12,688	11,529
Liability derivatives	1,095	2,090
Interest rate lock commitments
Derivative [Line Items]
Notional values	304,757	219,929
Asset derivatives	8,284	9,207
Liability derivatives	0	0
Forward delivery contracts
Derivative [Line Items]
Notional values	51,981	35,979
Asset derivatives	109	0
Liability derivatives	0	22
TBA mortgage backed securities
Derivative [Line Items]
Notional values	395,000	291,000
Asset derivatives	3,628	232
Liability derivatives	403	1,508
Other
Derivative [Line Items]
Notional values	1,467	3,058
Asset derivatives	667	2,090
Liability derivatives	$ 692	$ 560

X

- Definition

Nominal or face amount used to calculate payments on the derivative asset.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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+ References

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