Business Acquisition - Summary of Estimated Fair Values of the Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
ASSETS
Mortgage loans held for sale, at fair value	$ 15,800
Premises and equipment, net (Note 6)	19,617	$ 32,045
Other assets	20,132	12,604
Total assets	1,653,510	1,355,231
Liabilities:
Other liabilities	8,308	10,330
Total liabilities	1,464,254	$ 1,195,687
Mortgage World Bankers Inc
Business Acquisition [Line Items]
Business Combination, Consideration Transferred	1,755
ASSETS
Cash and cash equivalents	750
Mortgage loans held for sale, at fair value	10,549
Premises and equipment, net (Note 6)	302
Other assets	772
Total assets	12,373
Liabilities:
Warehouse lines of credit	9,135
Mortgage loans fundings payable	1,237
Other liabilities	246
Total liabilities	10,618
Net assets	$ 1,755