Business Acquisition - Purchase Price Allocation (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Jan. 29, 2021	Dec. 31, 2020
Assets acquired:
Goodwill	$ 75,717		$ 0
Radius Bancorp, Inc
Assets acquired:
Cash and due from banks		$ 18,184
Interest-bearing deposits in banks		650,052
Total cash and cash equivalents		668,236
Securities available for sale at fair value		259,037
Loans and leases held for investment		1,589,054
Allowance for loan and lease losses		(12,440)
Loans and leases held for investment, net		1,576,614
Property, equipment and software		1,926
Goodwill		75,717
Other assets		86,482
Total assets		2,668,012
Liabilities assumed:
Non-interest bearing deposits		146,187
Interest-bearing deposits		1,862,272
Total deposits		2,008,459
Short-term borrowings		9,870
Advances from PPPLF		420,962
Other long-term debt		18,630
Other liabilities		23,285
Total liabilities		2,481,206
Total consideration paid		$ 186,806