(In thousands)

Balance at
beginning of
year

Charged to
costs and
expenses

Deductions

Balance at
end of
year

2023

Deferred tax valuation allowance

$

69,515

$

—

$

(1,587

)

$

67,928

Allowance for expected credit losses

$

318

$

620

$

(328

)

$

610

2022

Deferred tax valuation allowance

$

74,631

$

—

$

(5,116

)

$

69,515

Allowance for doubtful accounts

$

1,220

$

117

$

(1,019

)

$

318

2021

Deferred tax valuation allowance

$

66,819

$

7,812

$

—

$

74,631

Allowance for doubtful accounts

$

1,634

$

508

$

(922

)

$

1,220