decrease in borrowings from the prior year is primarily due to the repayments of the following: $63.3 million of Paycheck Protection Program Liquidity Facility (“PPPLF”) borrowings, due in part to the Small Business Administration’s (“SBA”) forgiveness of the underlying PPP loans and $60.0 million of FHLB advances utilizing funds primarily from deposit growth.
For the year ended December 31, 2021, the Company repaid $10.0 million in subordinated notes at 6.5% and issued $50.0 million in aggregate principal amount of fixed-to-floating rate subordinated notes in a private placement transaction announced on February 10, 2021, at an initial fixed rate of 3.75%.
Total stockholders’ equity increased $7.1 million, to $247.5 million at December 31, 2021, from $240.5 million at September 30, 2021, and increased $17.5 million, from $230.0 million at December 31, 2020. The increase in stockholders’ equity during the current quarter was primarily due to net income of $8.6 million, partially offset by share repurchases totaling $1.3 million and dividends paid of $1.2 million. The Company repurchased 38,158 shares of its common stock at an average price of $34.01 per share. Book value per common share was $30.75 at December 31, 2021, compared to $29.78 at September 30, 2021, and $27.67 at December 31, 2020.
The Bank is well capitalized under the minimum capital requirements established by the Federal Deposit Insurance Corporation at December 31, 2021, with a CBLR of 12.2%, compared to the normally required CBLR of greater than 9.0% and the regulatory approved reduced CBLR of 8.5% due to the COVID-19 pandemic. The Company’s Tier 1 leverage-based ratio was 10.8% at December 31, 2021.
Credit Quality
The allowance for loan and lease losses at December 31, 2021, decreased to $25.6 million, or 1.46% of gross loans receivable, excluding loans HFS, compared to $26.9 million, or 1.57% of gross loans receivable, excluding loans HFS at September 30, 2021, and decreased from $26.2 million, or 1.66% of gross loans receivable, excluding loans HFS, at December 31, 2020. Nonperforming loans decreased $113,000 to $5.8 million at December 31, 2021, from $5.9 million at September 30, 2021, and decreased $1.9 million from $7.8 million at December 31, 2020. The year over year decrease was primarily due to the payoff of a nonperforming commercial business loan of $1.2 million and a nonperforming home equity loan of $307,000.
Loans classified as substandard increased $567,000 to $18.1 million at December 31, 2021, compared to $17.5 million at September 30, 2021, and increased $441,000 from $17.6 million at December 31, 2020. The quarter over linked quarter increase in substandard loans was attributable to a $628,000 increase in commercial and industrial loans and a $143,000 increase in one-to-four-family loans, partially offset by a $129,000 decrease in home equity loans. The year over year increase in substandard loans was primarily due to increases of $5.7 million in commercial and industrial loans, partially offset by a $4.7 million decrease in one-to-four-family loans. There was no other real estate owned (“OREO”) property at December 31, 2021 or September 30, 2021, compared to one OREO property in the amount of $90,000 at December 31, 2020.
As of December 31, 2021, the amount of loans remaining under interest-only payment/relief agreements due to COVID-19 included commercial real estate loans of $6.9 million and commercial business loans of $2.1 million. These loans were classified as current and accruing interest, with the exception of $1.2 million in commercial business loans which were classified as nonaccrual, yet current on contractual payments. These modifications were not classified as troubled debt restructurings (“TDRs”) pursuant to guidance in effect at the time of modification. At December 31, 2021 the Company had no TDRs.