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Recent Accounting Pronouncements (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Jun. 30, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Dec. 31, 2021
Recently Adopted Accounting Standards [Abstract]
Retained earnings	$ 1,006,459		$ 958,433
Allowance for credit losses	114,601	$ 100,400	100,800	$ 96,800	$ 93,600	$ 92,000
ASU 2022-02 [Member]
Recently Adopted Accounting Standards [Abstract]
Allowance for credit losses	$ 114,601		100,152
Cumulative Effect, Period of Adoption, Adjustment [Member] \| ASU 2022-02 [Member]
Recently Adopted Accounting Standards [Abstract]
Retained earnings			500
Deferred tax asset			100
Cumulative Effect, Period of Adoption, Adjustment [Member] \| ASU 2022-02 [Member] \| Loans [Member]
Recently Adopted Accounting Standards [Abstract]
Allowance for credit losses			$ (600)

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

Amount of accumulated undistributed earnings (deficit).