Business Combinations and Asset Acquisitions - Assets Acquired and Liabilities Assumed (Details) - Centric Bank - USD ($) $ in Thousands		9 Months Ended
	Feb. 01, 2023	Sep. 30, 2023
Business Acquisition [Line Items]
Payments to Acquire Businesses, Gross	$ 1
Stock Issued During Period, Shares, Purchase of Assets	9,688,478
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable	$ 141,355
Business Combination, Consideration Transferred	141,356
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents	14,492
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Securities	34,302
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, FHLB Stock	7,658
Business Combination, Acquired Receivable, Fair Value	923,555
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	17,186
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	16,671
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Bank Owned Life Insurance	4,502
Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Assets	17,391
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets	1,035,757
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed, Deposits Contractual Amount	757,003
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Long-Term Debt	179,301
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other	18,484
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities	954,788
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	80,969
Goodwill, Acquired During Period	$ 60,387	$ 60,400