Derivative Financial Instruments (Details) - USD ($) $ in Thousands	6 Months Ended	9 Months Ended	12 Months Ended
	Jun. 30, 2022	Sep. 30, 2022	Dec. 31, 2022	Dec. 31, 2021
Junior subordinated debentures			$ 50,507	$ 56,472
Notional amount, Assets			1,366,303	1,524,031
Short term advances and brokered CD's			871,500	996,500
Derivative instruments			56,179	(14,388)
Decreased net cash used in investing activities	$ 16,700	$ 25,100
Customer [Member]
Derivative instruments			110,600	114,000
Bank [Member]
Derivative instruments			110,600	114,000
Customer and Bank [Member]
Derivative instruments			221,200	228,000
Cash Flow Hedging [Member]
Amount reclassified from accumulated other comprehensive loss to interest expense			4,300
Amount to be reclassified from the accumulated comprehensive income (loss) into earnings			9,000
Not Designated as Hedging Instrument [Member]
Notional amount, Assets			221,200	228,000
Designated as Hedging Instrument [Member]
Notional amount, Assets			249,966	312,722
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member]
Amount of hedged item			273,600	299,600
Notional amount, Assets			871,500	996,500
Interest Rate Swap [Member]
Notional amount, Assets			273,600	299,600
Interest Rate Swap [Member] | Not Designated as Hedging Instrument [Member]
Notional amount, Assets			110,598	113,988
Derivative instruments			(18,197)	(3,355)
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member]
Notional amount, Assets			170,750	641,500
Derivative instruments			$ (210)	$ (9,387)