Derivative Financial Instruments - Type of Hedge and Fair Value of Derivative Instruments (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Fair Value Hedges
Derivative Instrument Detail [Abstract]
Notional Amount	$ 276,175	$ 221,266
Average Maturity (years)	4 years 7 months 6 days	4 years 7 months 6 days
Fair Value	$ 18,483	$ 21,361
Fair Value Hedges | Interest rate cap agreements
Derivative Instrument Detail [Abstract]
Notional Amount	$ 40,970	$ 40,970
Average Maturity (years)	5 years 1 month 6 days	5 years 3 months 18 days
Fair Value	$ 692	$ 931
Fair Value Hedges | Interest rate cap agreements | Installment
Derivative Instrument Detail [Abstract]
Notional Amount	$ 35,000
Average Maturity (years)	6 years 10 months 24 days
Fair Value	$ 627
Derivatives not designated as hedging instruments
Derivative Instrument Detail [Abstract]
Notional Amount	$ 686,465	$ 627,186
Average Maturity (years)	5 years 1 month 6 days	5 years 3 months 18 days
Fair Value	$ (822)	$ (741)
Derivatives not designated as hedging instruments | Rate-lock mortgage loan commitments
Derivative Instrument Detail [Abstract]
Notional Amount	$ 29,183	$ 19,918
Average Maturity (years)	1 month 6 days	1 month 6 days
Fair Value	$ (373)	$ (1,056)
Derivatives not designated as hedging instruments | Mandatory commitments to sell mortgage loans
Derivative Instrument Detail [Abstract]
Notional Amount	$ 47,054	$ 49,258
Average Maturity (years)	1 month 6 days	1 month 6 days
Fair Value	$ (431)	$ 315
Fixed Income Interest Rate | Fair Value Hedges | Interest Rate Swap | Installment
Derivative Instrument Detail [Abstract]
Notional Amount	$ 45,000	$ 25,000
Average Maturity (years)	2 years 1 month 6 days	2 years
Fair Value	$ (344)	$ 77
Fixed Income Interest Rate | Fair Value Hedges | Interest Rate Swap | Commercial
Derivative Instrument Detail [Abstract]
Notional Amount	$ 6,310	$ 6,401
Average Maturity (years)	6 years 1 month 6 days	6 years 4 months 24 days
Fair Value	$ 346	$ 447
Fixed Income Interest Rate | Fair Value Hedges | Interest Rate Swap, Noncommercial
Derivative Instrument Detail [Abstract]
Notional Amount	$ 148,895	$ 148,895
Average Maturity (years)	4 years 7 months 6 days	4 years 9 months 18 days
Fair Value	$ 17,162	$ 19,906
Fixed Income Interest Rate | Derivatives not designated as hedging instruments | Interest Rate Swap | Commercial
Derivative Instrument Detail [Abstract]
Notional Amount	$ 285,114	$ 279,005
Average Maturity (years)	6 years 1 month 6 days	6 years
Fair Value	$ 11,489	$ 17,063
Variable Income Interest Rate | Derivatives not designated as hedging instruments | Interest Rate Swap
Derivative Instrument Detail [Abstract]
Notional Amount	$ 40,000
Average Maturity (years)	3 months 18 days
Fair Value	$ (18)
Variable Income Interest Rate | Derivatives not designated as hedging instruments | Interest Rate Swap | Commercial
Derivative Instrument Detail [Abstract]
Notional Amount	$ 285,114	$ 279,005
Average Maturity (years)	6 years 1 month 6 days	6 years
Fair Value	$ (11,489)	$ (17,063)