Loans Held for Investment and Allowance for Loan Losses | Loans Held for Investment and Allowance for Loan Losses Loans Held for Investment and Allowance for Loan Losses Loans held for investment consisted of the following as of March 31, 2019 and December 31, 2018 (in thousands): March 31, 2019 December 31, 2018 Term loans $ 962,777 $ 956,755 Lines of credit 214,832 188,199 Total Unpaid Principal Balance 1,177,609 1,144,954 Net deferred origination costs 24,922 24,203 Total loans held for investment $ 1,202,531 $ 1,169,157 We include both loans we originate and loans funded by our issuing bank partners and later purchased by us as part of our originations. During the three months ended March 31, 2019 and 2018 we purchased loans from our issuing bank partner in the amount of $111.5 million and $139.2 million , respectively. The change in the allowance for loan losses for the three months ended March 31, 2019 and 2018 consisted of the following (in thousands): Three Months Ended March 31, 2019 2018 Balance at beginning of period $ 140,040 $ 109,015 Recoveries of loans previously charged off 3,914 3,345 Loans charged off (39,839 ) (29,732 ) Provision for loan losses 43,291 36,293 Allowance for loan losses at end of period $ 147,406 $ 118,921 When loans are charged off, we typically continue to attempt to recover amounts from the respective borrowers and guarantors, including, when we deem it appropriate, through formal legal action. Alternatively, we may sell previously charged-off loans to a third-party debt collector. The proceeds from these sales are recorded as a component of the recoveries of loans previously charged off. We did not sell any previously charged-off loans for the three months ended March 31, 2019 . For the three months ended March 31, 2018 loans sold accounted for $0.5 million of recoveries of loans previously charged off. As of March 31, 2019 and December 31, 2018 , our off-balance sheet credit exposure related to the undrawn line of credit balances wa s $269.3 million and $264.2 million , respectively. The related reserve on unfunded loan commitments was $5.9 million as of March 31, 2019 and December 31, 2018 , respectively. Net adjustments to the liability for unfunded loan c ommitments are included in general and administrative expense. Th e following table contains information, on a combined basis, regarding the Unpaid Principal Balance of loans we originated related to non-delinquent, paying and non-paying delinquent loans as of March 31, 2019 and December 31, 2018 (in thousands): March 31, 2019 December 31, 2018 Current loans $ 1,053,903 $ 1,031,449 Delinquent: paying (accrual status) 55,613 54,427 Delinquent: non-paying (non-accrual status) 68,093 59,078 Total $ 1,177,609 $ 1,144,954 The portion of the allowance for loan losses attributable to current loans was $69.5 million and $85.7 million as of March 31, 2019 and December 31, 2018 , respectively, while the portion of the allowance for loan losses attributable to delinquent loans was $77.9 million and $54.3 million as of March 31, 2019 and December 31, 2018 , respectively. The following table shows an aging analysis of the unpaid principal balance related to loans held for investment by delinquency statu s as of March 31, 2019 and December 31, 2018 (in thousands): March 31, 2019 December 31, 2018 By delinquency status: Current loans $ 1,053,903 $ 1,031,449 1-14 calendar days past due 21,051 27,655 15-29 calendar days past due 17,749 14,665 30-59 calendar days past due 26,815 21,470 60-89 calendar days past due 18,811 19,031 90 + calendar days past due 39,280 30,684 Total unpaid principal balance $ 1,177,609 $ 1,144,954 |