Debt Securities Held to Maturity (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	$ 417,227	$ 421,523
Gross Unrealized Gains	0	0
Gross Unrealized (Losses)	(45,040)	(51,132)
Allowance for Credit Losses	0	0
Fair Value	372,187	370,391
U.S. government and agency obligations
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	49,871	49,871
Gross Unrealized Gains	0	0
Gross Unrealized (Losses)	(6,599)	(7,304)
Allowance for Credit Losses	0	0
Fair Value	43,272	42,567
Mortgage-backed securities and collateralized mortgage obligations
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	367,356	371,652
Gross Unrealized Gains	0	0
Gross Unrealized (Losses)	(38,441)	(43,828)
Allowance for Credit Losses	0	0
Fair Value	$ 328,915	$ 327,824

Amount, excluding accrued interest, of allowance for credit loss on investment in debt security measured at amortized cost (held-to-maturity).

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446

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Amount excluding accrued interest, before allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity).

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