Schedule II-Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2019

Valuation And Qualifying Accounts [Abstract]

Schedule II-Valuation and Qualifying Accounts

Schedule II—Valuation and Qualifying Accounts

For the Year Ended December 31, 2019

(dollars in thousands)

	Allowance for Doubtful
	Accounts(1)
	2019			2018			2017
Balance at beginning of period	$	1,975		$	1,433		$	475
Additions:
Bad debt expense		2,399			1,044			2,895
Deductions:
Charge-offs of uncollectible balances		(286	)		(502	)		(1,937	)
Balance at end of period	$	4,088		$	1,975		$	1,433

(1) Includes the allowance for doubtful accounts for both accounts receivable and other receivables.