Derivative Financial Instruments - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022	Dec. 31, 2021
Derivative [Line Items]
Notional amount	$ 906,488		$ 1,772,298
Accumulated other comprehensive income (loss)	1,137,680	$ 1,445,266	1,083,985	$ 1,386,087
Interest Rate Agreements Accounted for as Cash Flow Hedges
Derivative [Line Items]
Accumulated other comprehensive income (loss)	(71,285)	(75,412)	(72,303)	$ (76,430)
Cash Flow Hedging | Interest Rate Agreements Accounted for as Cash Flow Hedges
Derivative [Line Items]
Accumulated other comprehensive income (loss)	(71,000)		(72,000)
Interest Expense | Cash Flow Hedging
Derivative [Line Items]
Expected amortization of realized losses related to terminated cash flow hedges	4,000
Mortgage Banking Activities, Net
Derivative [Line Items]
Market valuations gains (losses), net	12,107	1,293
Loan purchase commitments and forward sales commitments | Mortgage Banking Activities, Net
Derivative [Line Items]
Market valuations gains (losses), net	200	(42,000)
Interest Rate Swap And Swaptions
Derivative [Line Items]
Notional amount	240,000
TBAs
Derivative [Line Items]
Notional amount	330,000		1,070,000
Interest rate futures
Derivative [Line Items]
Notional amount	290,000		411,000
Interest rate contract
Derivative [Line Items]
Notional amount			$ 285,000
Interest rate contract | Cash Flow Hedging
Derivative [Line Items]
realized net losses from accumulated comprehensive loss into Interest expense	(1,000)
Unsecuritized Residential and Commercial Loans
Derivative [Line Items]
Derivative gain (loss)	$ 17,000	$ 92,000