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Derivative Financial Instruments - Forward Sales Commitments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Derivative Financial Instruments
Notional amount	$ 4,000		$ 4,000
Interest rate lock commitments \| Other assets
Derivative Financial Instruments
Notional amount	3,724		19,384
Fair values of derivative assets and liabilities recorded in consolidated balance sheets
Fair value recorded in other assets	38		206
Interest rate lock commitments \| Other liabilities
Derivative Financial Instruments
Notional amount	2,866		499
Fair values of derivative assets and liabilities recorded in consolidated balance sheets
Fair value recorded in other liabilities	23		6
Foreign currency forward contracts \| Other assets
Derivative Financial Instruments
Notional amount	8,947		1,884
Fair values of derivative assets and liabilities recorded in consolidated balance sheets
Fair value recorded in other assets	148		10
Foreign currency forward contracts \| Other liabilities
Derivative Financial Instruments
Notional amount	4,429		41,002
Fair values of derivative assets and liabilities recorded in consolidated balance sheets
Fair value recorded in other liabilities	42		439
Interest rate lock commitments and forward sales commitments \| Designated as hedging instrument
Gross gains and losses on derivative assets and liabilities recorded in Consolidated Statements of Income
Net gains (losses)	121	$ (348)
Interest rate lock commitments and forward sales commitments \| Other assets \| Designated as hedging instrument
Derivative Financial Instruments
Notional amount	12,671		21,268
Fair values of derivative assets and liabilities recorded in consolidated balance sheets
Fair value recorded in other assets	186		216
Interest rate lock commitments and forward sales commitments \| Other liabilities \| Designated as hedging instrument
Derivative Financial Instruments
Notional amount	7,295		41,501
Fair values of derivative assets and liabilities recorded in consolidated balance sheets
Fair value recorded in other assets	65
Fair value recorded in other liabilities			$ 445
Mortgage revenue. \| Interest rate lock commitments \| Designated as hedging instrument
Gross gains and losses on derivative assets and liabilities recorded in Consolidated Statements of Income
Gross gains	15	472
Mortgage revenue. \| Foreign currency forward contracts \| Designated as hedging instrument
Gross gains and losses on derivative assets and liabilities recorded in Consolidated Statements of Income
Gross gains	$ 106
Gross (losses)		$ (820)