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Securities (Tables)
12 Months Ended
Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract]  
Schedule of Available-for-sale Securities
The amortized cost, gross unrealized gains and losses, and fair values of available-for-sale and held-to-maturity debt securities by type follows as of December 31,:
Amortized
Cost
Gross
Unrealized
Gains
Gross
Unrealized
Losses
Estimated
 Fair
 Value
2022
Available-for-sale:
U.S. treasury$62,010 $— $(5,361)$56,649 
U.S. agency2,881 — (47)2,834 
Obligations of states and political subdivisions29,897 — (4,998)24,899 
Mortgage backed - residential129,955 (13,826)116,135 
Collateralized mortgage obligations225,559 — (21,294)204,265 
Mortgage backed - commercial130,997 — (13,661)117,336 
Other debt16,774 — (1,919)14,855 
Total available-for-sale$598,073 $$(61,106)$536,973 
Held-to-maturity:
Obligations of states and political subdivisions$25,378 $$(4,891)$20,492 
Mortgage backed - residential8,705 (511)8,198 
Collateralized mortgage obligations4,818 — (290)4,528 
Total held-to-maturity$38,901 $$(5,692)$33,218 
2021
Available-for-sale:
U.S. treasury35,400 — (215)35,185 
U.S. agency$6,019 $— $(100)$5,919 
Obligations of states and political subdivisions3,979 — (190)3,789 
Mortgage backed - residential138,297 2,018 (1,638)138,677 
Collateralized mortgage obligations236,282 1,441 (1,939)235,784 
Mortgage backed - commercial150,322 3,424 (599)153,147 
Total available-for-sale$570,299 $6,883 $(4,681)$572,501 
Held-to-maturity:
Obligations of states and political subdivisions716 25 — 741 
Mortgage backed - residential10,750 390 — 11,140 
Collateralized mortgage obligations6,541 177 — 6,718 
Total held-to-maturity$18,007 $592 $— $18,599 
Schedule of Held-to-maturity Securities
The amortized cost, gross unrealized gains and losses, and fair values of available-for-sale and held-to-maturity debt securities by type follows as of December 31,:
Amortized
Cost
Gross
Unrealized
Gains
Gross
Unrealized
Losses
Estimated
 Fair
 Value
2022
Available-for-sale:
U.S. treasury$62,010 $— $(5,361)$56,649 
U.S. agency2,881 — (47)2,834 
Obligations of states and political subdivisions29,897 — (4,998)24,899 
Mortgage backed - residential129,955 (13,826)116,135 
Collateralized mortgage obligations225,559 — (21,294)204,265 
Mortgage backed - commercial130,997 — (13,661)117,336 
Other debt16,774 — (1,919)14,855 
Total available-for-sale$598,073 $$(61,106)$536,973 
Held-to-maturity:
Obligations of states and political subdivisions$25,378 $$(4,891)$20,492 
Mortgage backed - residential8,705 (511)8,198 
Collateralized mortgage obligations4,818 — (290)4,528 
Total held-to-maturity$38,901 $$(5,692)$33,218 
2021
Available-for-sale:
U.S. treasury35,400 — (215)35,185 
U.S. agency$6,019 $— $(100)$5,919 
Obligations of states and political subdivisions3,979 — (190)3,789 
Mortgage backed - residential138,297 2,018 (1,638)138,677 
Collateralized mortgage obligations236,282 1,441 (1,939)235,784 
Mortgage backed - commercial150,322 3,424 (599)153,147 
Total available-for-sale$570,299 $6,883 $(4,681)$572,501 
Held-to-maturity:
Obligations of states and political subdivisions716 25 — 741 
Mortgage backed - residential10,750 390 — 11,140 
Collateralized mortgage obligations6,541 177 — 6,718 
Total held-to-maturity$18,007 $592 $— $18,599 
Schedule of Available-for-sale Securities with Unrealized Losses
Certain debt securities that have gross unrealized losses and have been in a continuous unrealized loss position for more than one year follows as of December 31,:
Less than 12 months12 months or longerTotal
Estimated
Fair
Value
Unrealized
Losses
Estimated
Fair
Value
Unrealized
Losses
Estimated
Fair
Value
Unrealized
Losses
Number
of
Securities
2022
Available-for-sale:
U.S. treasury$25,702 $(967)$30,947 $(4,394)$56,649 $(5,361)10 
U.S. agency— — 2,834 (47)2,834 (47)
Obligations of states and political subdivisions21,676 (3,784)2,753 (1,214)24,429 (4,998)18 
Mortgage backed - residential51,921 (2,939)63,691 (10,887)115,612 (13,826)87 
Collateralized mortgage obligations111,360 (4,631)92,905 (16,663)204,265 (21,294)66 
Mortgage backed - commercial70,710 (6,475)46,626 (7,186)117,336 (13,661)22 
Other debt14,855 (1,919)— — 14,855 (1,919)
Total available-for-sale$296,224 $(20,715)$239,756 $(40,391)$535,980 $(61,106)219 
Held-to-maturity:
Obligations of states and political subdivisions$20,153 $(4,891)$— $— $20,153 $(4,891)8
Mortgage backed - residential7,993 (511)— — 7,993 (511)10
Collateralized mortgage obligations4,127 (275)401 (15)4,528 (290)5
Total held-to-maturity$32,273 $(5,677)$401 $(15)$32,674 $(5,692)23
Less than 12 months12 months or longerTotal
Estimated
Fair
Value
Unrealized
Losses
Estimated
Fair
Value
Unrealized
Losses
Estimated
Fair
Value
Unrealized
Losses
Number
of
Securities
2021
Available-for-sale:
U.S. treasury$35,185 $(215)$— $— $35,185 $(215)4
U.S. agency— — 5,919 (100)5,919 (100)
Obligations of states and political subdivisions3,232 (190)— — 3,232 (190)
Mortgage backed - residential51,616 (530)25,246 (1,108)76,862 (1,638)17 
Collateralized mortgage obligations115,877 (1,938)193 (1)116,070 (1,939)16 
Mortgage backed - commercial32,872 (581)24,170 (18)57,042 (599)
Total available-for-sale$238,782 $(3,454)$55,528 $(1,227)$294,310 $(4,681)51 
Schedule of Amortized Cost and Estimated Fair Value of Debt Securities by Contractual Maturity
The amortized cost and fair value of our debt securities by contractual maturity as of December 31, 2022 are summarized in the following table. Maturities are based on the final contractual payment dates and do not reflect the impact of prepayments or earlier redemptions that may occur.
Amortized
Cost
Estimated
Fair
Value
Available-for-sale:
Due within 1 year$3,528 $3,452 
Due after 1 year through 5 years44,335 42,615 
Due after 5 years through 10 years172,918 154,260 
Due after 10 years377,292 336,646 
Total available-for-sale$598,073 $536,973 
Held-to-maturity:
Due after 1 year through 5 years$1,154 $1,117 
Due after 5 years through 10 years822 800 
Due after 10 years36,925 31,301 
Total held-to-maturity$38,901 $33,218