Quarter ended June 30,

Six Months ended June 30,

($ in thousands)

2021

2020

2021

2020

Balance at beginning of period

$

21,000

$

18,000

$

21,000

$

6,400

Cumulative effect adjustment1

—

1,058

Balance at beginning of period, as adjusted

$

21,000

$

18,000

$

21,000

$

7,458

Current period provision for expected credit losses

733

4,597

1,541

15,792

Write-offs charged against the allowance for credit losses

(3,526)

(1,597)

(4,400)

(2,250)

Recoveries

93

—

159

—

Allowance for credit losses, end of period

$

18,300

$

21,000

$

18,300

$

21,000