Debt Securities Held to Maturity (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	$ 425,077	$ 429,734
Gross Unrealized Gains	0	6,741
Gross Unrealized (Losses)	(51,583)	(1,686)
Allowance for Credit Losses	0
Fair Value	373,494	434,789
U.S. government and agency obligations
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	49,871	44,870
Gross Unrealized Gains	0	0
Gross Unrealized (Losses)	(7,587)	(759)
Allowance for Credit Losses	0
Fair Value	42,284	44,111
Mortgage-backed securities and collateralized mortgage obligations
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	375,206	384,864
Gross Unrealized Gains	0	6,741
Gross Unrealized (Losses)	(43,996)	(927)
Allowance for Credit Losses	0
Fair Value	$ 331,210	$ 390,678

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
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-Section 45
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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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