Loans and Allowance for Credit Losses - Schedule of Allowance for Credit Losses on Unfunded Loan Commitments (Details) - Unfunded Loan Commitment $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($)
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Balance at beginning of period	$ 2,656
Expense (reversal of expense) for credit losses	4,484
Balance at end of period	11,689
Adjustment
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Balance at beginning of period	4,549
Adjusted Balance
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Balance at beginning of period	$ 7,205