Derivative Financial Instruments (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2021
Securities Sold under Agreements to Repurchase [Abstract]
Gross Amounts Recognized		$ 207,417	$ 331,006
Gross Amounts Offset in the Statement of Financial Position		0	0
Net Amounts of Liabilities presented in the Statement of Financial Position		207,417	331,006
Financial Instruments		0	0
Fair Value Collateral Posted		207,417	331,006
Net Amount		0	0
Fair value of derivatives in a net liability position		5,900
Posted collateral		100
Interest rate swap
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Asset derivatives (other assets), fair value		7,771	12,869
Liability derivatives (other liabilities), fair value		7,990	15,794
Derivative Asset [Abstract]
Gross Amounts Offset in the Statement of Financial Position		0	0
Derivative financial instruments		7,771	12,869
Financial Instruments		1,796	1,033
Fair Value Collateral Received/ Pledged		4,150	0
Net Amount		1,825	11,836
Derivative Liability [Abstract]
Gross Amounts Offset in the Statement of Financial Position		0	0
Net Amounts of Liabilities presented in the Statement of Financial Position		7,990	15,794
Financial Instruments		1,796	1,033
Fair Value Collateral Posted		75	14,031
Net Amount		6,119	730
Derivatives Designated as Hedging Instruments: | Other Assets [Member] | Interest rate swap
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Asset, Notional Amount		61,962	61,962
Asset derivatives (other assets), fair value		0	0
Derivatives Designated as Hedging Instruments: | Other Liabilities [Member] | Interest rate swap
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Liability derivatives (other liabilities), fair value		212	2,911
Derivatives not Designated as Hedging Instruments: | Other Assets [Member] | Interest rate swap
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Asset, Notional Amount		922,532	918,698
Asset derivatives (other assets), fair value		7,771	12,869
Derivatives not Designated as Hedging Instruments: | Other Liabilities [Member] | Interest rate swap
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Liability derivatives (other liabilities), fair value		$ 7,778	$ 12,883
Cash Flow Hedging | Cash Flow Hedge 1
Derivative [Line Items]
Derivative, fixed rate		2.60%
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Asset, Notional Amount		$ 15,465
Cash Flow Hedging | Cash Flow Hedge 2
Derivative [Line Items]
Derivative, fixed rate		2.60%
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Asset, Notional Amount		$ 14,433
Cash Flow Hedging | Cash Flow Hedge 3
Derivative [Line Items]
Derivative, fixed rate		2.64%
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Asset, Notional Amount		$ 18,558
Cash Flow Hedging | Cash Flow Hedge 4
Derivative [Line Items]
Derivative, fixed rate		2.64%
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Asset, Notional Amount		$ 13,506
Cash Flow Hedging | Subordinated Debt [Member]
Derivative [Line Items]
Derivative, Variable Interest Rate		2.62%
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Asset, Notional Amount		$ 62,000
Scenario, Forecast | Cash Flow Hedging
Derivative [Line Items]
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income	$ 500