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Commitments and Contingencies (Tables)
 3 Months Ended
Mar. 31, 2022
Commitments and Contingencies Disclosure [Abstract]  
Summary of Distribution of Undisbursed Loan Commitments
The following table presents the distribution of undisbursed credit-related commitments as of March 31, 2022 and December 31, 2021:
($ in thousands)March 31, 2022December 31, 2021
Loan commitments$175,097 $116,511 
Standby letter of credit4,719 4,477 
Commercial letter of credit876 1,028 
Total undisbursed credit related commitments$180,692 $122,016 
Schedule of Balance and Total Unfunded Commitments Related to Investment in Low Income Housing Partnerships
The following table shows the balance of the investments in low-income housing partnerships and the total unfunded commitments related to the investments in low-income housing partnerships as of March 31, 2022 and December 31, 2021:
($ in thousands)March 31, 2022December 31, 2021
Investments in low-income housing partnerships$7,724 $7,911 
Unfunded commitments to fund investments for low-income housing partnerships
$4,444 $4,825