Acquisition of a Business - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands				3 Months Ended			6 Months Ended
	Jul. 01, 2023	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023	Mar. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Business Acquisition [Line Items]
Common stock, voting par value				$ 0.01			$ 0.01			$ 0.01
Goodwill		$ 148,353	$ 148,353	$ 181,705	$ 148,353	$ 148,353	$ 181,705	$ 148,353	$ 181,705	$ 181,705	$ 148,353
Merger related expenses				0			0
Salaries and employee benefits				33,911	29,642		67,864	60,036
Other non-interest expense				$ 4,892	5,104		$ 10,668	9,834
Inland Bancorp, Inc.
Business Acquisition [Line Items]
Business acquisition date of agreement							Jul. 01, 2023
Right to receive common stock upon conversion	0.19
Common stock, voting par value	$ 0.01
Cash payment per share	$ 0.68
Consideration paid in cash	$ 21,200						$ 31,897
Common stock issued price per share	$ 18.09			$ 18.09			$ 18.09
Issuance of common shares	5,932,323						5,932,323
Value of common stock consideration	$ 107,300
Options to acquire common stock shares	288,200
Option to acquire common stock value	$ 424,000
Total merger consideration	138,900						$ 138,914	9,900
Stock issuance costs	299,000
Goodwill	$ 33,400			$ 33,352			$ 33,352
Number of shares purchased		2,408,992	2,408,992
Business acquisition transaction completion Date						Jun. 30, 2023
Inland Bancorp, Inc. | Non-interest Expense
Business Acquisition [Line Items]
Core system conversion expenses					640,000			839,000
Acquisition advisory expenses					653,000			909,000
Salaries and employee benefits					17,000			36,000
Other non-interest expense					$ 81,000			$ 96,000