Credit Facilities (Tables)

6 Months Ended

Jun. 30, 2021

Line of Credit Facility [Line Items]

Summary Of Costs Incurred Connection With Credit Facilities

	Three Months Ended				Six Months Ended
	June 30,				June 30,
(Dollars in thousands)	2021		2020		2021		2020
Credit facility interest and fees incurred	$	70	$	332	$	175	$	455
Loan interest and fees incurred - Federal Home Loan Bank		275		-		546		-
Total interest and fees incurred	$	345	$	332	$	721	$	455

Wells Fargo Bank Group Credit Facility [Member]

Line of Credit Facility [Line Items]

Summary Of Outstanding Letters Of Credit And Borrowings

(Dollars in thousands)			At June 30, 2021					At December 31, 2020
Bank		Commitment		In Use		Date of Expiry	Commitment		In Use		Date of Expiry
Wells Fargo Bank Group Credit Facility	Tranche One	$	-	$	-		$	200,000	$	164,242	12/31/2021
	Tranche Two		600,000		402,284	12/31/2021		600,000		589,690	12/31/2021
Total Wells Fargo Bank Group Credit Facility		$	600,000	$	402,284		$	800,000	$	753,932

Wells Fargo Bank Bilateral Loc Agreement [Member]

Line of Credit Facility [Line Items]

Summary Of Outstanding Letters Of Credit And Borrowings

(Dollars in thousands)	At June 30, 2021
Bank	Commitment		In Use		Date of Expiry
Wells Fargo Bank Bilateral LOC Agreement	$	500,000	$	404,421	12/31/2021
	$	500,000	$	404,421

Citibank Bilateral Agreement [Member]

Line of Credit Facility [Line Items]

Summary Of Outstanding Letters Of Credit And Borrowings

(Dollars in thousands)	At June 30, 2021					At December 31, 2020
Bank	Commitment		In Use		Date of Expiry	Commitment		In Use		Date of Expiry
Citibank Bilateral Letter of Credit Agreement	$	200,000	$	1,264	11/24/2021	$	200,000	$	4,425	02/28/2021
				449	12/16/2021				3,672	11/24/2021
				138,869	12/31/2021				448	12/16/2021
				4,425	02/28/2022				115	12/20/2021
				443	03/01/2022				136,383	12/31/2021
				822	08/15/2022				39,619	12/30/2024
				155	12/20/2022				821	08/15/2022
				27,126	06/30/2025				-
Total Citibank Bilateral Agreement	$	200,000	$	173,553		$	200,000	$	185,483

Lloyds Bank plc Credit Facility [Member]

Line of Credit Facility [Line Items]

Summary Of Outstanding Letters Of Credit And Borrowings

(Dollars in thousands)	At June 30, 2021					At December 31, 2020
Bank	Commitment		In Use		Date of Expiry	Commitment		In Use		Date of Expiry
Lloyd's Bank plc	£	52,175	£	52,175	12/31/2024	£	52,175	£	52,175	12/31/2023
		-		-			-		-
Total Lloyd's Bank Credit Facility	£	52,175	£	52,175		£	52,175	£	52,175