Parent-only Financial Information - Statement of Financial Condition (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Assets
Cash and due from banks	$ 179,097	$ 70,702
Short-term investments	131	261
Total cash and cash equivalents	179,228	70,963
Equity securities, at fair value	3,384	2,710
Other assets	284,754	249,615
Total assets	10,408,169	9,224,097
Liabilities:
Balance	1,127,047	377,309
Accrued expenses and other liabilities	180,908	161,020
Total liabilities	9,354,574	8,145,016
Stockholders' equity	1,053,595	1,079,081	$ 1,011,287	$ 982,517
Total liabilities and stockholders' equity	10,408,169	9,224,097
Parent Company
Assets
Cash and due from banks	59,754	77,077
Short-term investments	131	261
Total cash and cash equivalents	59,885	77,338
Equity securities, at fair value	201	216
Investment in subsidiaries	979,841	981,922
Loans receivable, net	38,187	39,862
Other assets	13,760	15,608
Total assets	1,091,874	1,114,946
Liabilities:
Balance	36,888	36,815
Accrued expenses and other liabilities	1,391	2,301
Total liabilities	38,279	39,116
Stockholders' equity	1,053,595	1,075,830
Total liabilities and stockholders' equity	$ 1,091,874	$ 1,114,946