Loans - Schedule of Non-Performing Loans and Real Estate Owned (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Loans And Leases Receivable Net Reported Amount [Abstract]
Non-accrual loans	$ 51,682	$ 13,437
Total non-performing loans	51,682	13,437
Real estate and other assets held for sale	343	100
Total non-performing assets	52,025	13,537
Troubled debt restructuring, still accruing	$ 7,173	$ 8,486