Derivative Financial Instruments and Hedging (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Derivative [Line Items]
Notional values	$ 729,500	$ 549,966
Derivative assets	10,866	11,529
Liability derivatives	2,907	2,090
Interest rate lock commitments
Derivative [Line Items]
Notional values	329,115	219,929
Derivative assets	9,265	9,207
Liability derivatives	0	0
Forward delivery contracts
Derivative [Line Items]
Notional values	61,782	35,979
Derivative assets	112	0
Liability derivatives	19	22
TBA mortgage backed securities
Derivative [Line Items]
Notional values	331,000	291,000
Derivative assets	1,267	232
Liability derivatives	321	1,508
Other
Derivative [Line Items]
Notional values	7,603	3,058
Derivative assets	222	2,090
Liability derivatives	$ 2,567	$ 560