Loans and Allowance for Loan Losses - Non-accrual Loans (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Loans and Allowance for Loan Losses
Non-accrual loans with an allowance	$ 25,914		$ 18,063
Non-accrual loans without an allowance	44,505		60,036
Total recorded carrying value of non-accrual loans	70,419		78,099
Allowance for loan losses related to non-accrual loans	(10,916)		(2,093)
Unpaid principal balance of non-accrual loans	88,596		$ 83,991
Interest income on non-accrual loans	$ 157	$ 12

Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

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