Loans and Allowance for Credit Losses - CECL (Details) - USD ($) $ in Thousands	Jan. 01, 2023	Jun. 30, 2023		Mar. 31, 2023	Dec. 31, 2022		Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021
Financing Receivable, Allowance for Credit Loss [Line Items]
Liability for unfunded commitments		$ 22,236	[1]	$ 21,979	$ 15,588	[1]	$ 15,353	$ 14,279	$ 16,903
Unfunded Loan Commitment
Financing Receivable, Allowance for Credit Loss [Line Items]
Liability for unfunded commitments		$ 1,100
Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Line Items]
Provision for (release of) credit losses on loans and unfunded commitments	$ 5,800
Liability for unfunded commitments	5,793				$ 5,793
Cumulative Effect, Period of Adoption, Adjustment | Unfunded Loan Commitment
Financing Receivable, Allowance for Credit Loss [Line Items]
Liability for unfunded commitments	$ 1,300

[1] amounts include the impacts of the January 1, 2023 adoption of ASU 2016-13. See Note 2 for details.See accompanying notes to the consolidated financial statements (unaudited)