Premises and Equipment, Net - Narrative (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gains on sales of property		$ 62,387	$ 0	$ 0
Depreciation and amortization		7,269	9,385	7,094
Premises and equipment original cost		1,300	5,100	6,900
Lower expenses due to sale		400
Accelerated depreciation from branch closure		500	$ 1,300
Effect of change
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Depreciation		700
Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Property, at carrying value				500
Gains on sales of property				$ 2,800
Florida
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net proceeds from sale of headquarters building	$ 135,000
Gains on sales of property	$ 62,400
Leased-back period	18 years		2 years
Florida | Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Property, at carrying value	$ 69,900	$ 69,900	$ 13,700
Gains on sales of property	$ 62,400		$ 1,700