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Investments (Tables)

3 Months Ended

Mar. 31, 2022

Investments [Abstract]

Unrealized Gain (Loss) On Investments

(Dollars in thousands)					Gross			Gross
		Amortized			unrealized			unrealized			Fair
March 31, 2022		cost			gains			losses			value
U.S. Treasury		$	84,725		$	—		$	(5,713)		$	79,012
Municipal			205,912			811			(10,920)			195,803
Corporate			25,300			69			(639)			24,730
Agency mortgage & asset-backed			174,496			117			(6,208)			168,405
Non-Agency mortgage & asset-backed			44,668			11			(1,152)			43,527
Total		$	535,101		$	1,008		$	(24,632)		$	511,477

(Dollars in thousands)					Gross			Gross
		Amortized			unrealized			unrealized			Fair
December 31, 2021		cost			gains			losses			value
U.S. Treasury		$	84,896		$	88		$	(698)		$	84,286
Municipal			206,501			7,148			(1,422)			212,227
Corporate			24,794			333			(188)			24,939
Agency mortgage & asset-backed			178,614			1,157			(2,086)			177,685
Non-Agency mortgage & asset-backed			30,912			34			(272)			30,674
Total		$	525,717		$	8,760		$	(4,666)		$	529,811

Amortized Cost And Fair Value Of Debt Securities, By Contractual Maturity

(Dollars in thousands)		Amortized ‎cost			Fair ‎value
Due in one year or less		$	1,667		$	1,682
Due after one year through five years			8,933			8,848
Due after five years through ten years			144,994			137,312
Due after ten years			160,343			151,703
			315,937			299,545
Mortgage & asset-backed			219,164			211,932
		$	535,101		$	511,477

Schedule Of Unrealized Loss On Investments

	March 31, 2022
	Less than 12 months								12 months or more								Total
	Fair			Unrealized					Fair			Unrealized					Fair			Unrealized
(Dollars in thousands)	Value			Losses			Count		Value			Losses			Count		Value			Losses			Count
U.S. Treasury	$	79,012		$	(5,713)		28		$	—		$	—		—		$	79,012		$	(5,713)		28
Municipal		143,337			(8,389)		158			18,653			(2,531)		21			161,990			(10,920)		179
Corporate		13,989			(420)		27			3,781			(219)		7			17,770			(639)		34
Agency mortgage & asset-backed		124,484			(4,592)		165			26,240			(1,616)		28			150,724			(6,208)		193
Non-Agency mortgage & asset-backed		28,847			(981)		25			3,698			(171)		5			32,545			(1,152)		30
Total temporarily impaired	$	389,669		$	(20,095)		403		$	52,372		$	(4,537)		61		$	442,041		$	(24,632)		464

	December 31, 2021
	Less than 12 months								12 months or more								Total
	Fair			Unrealized					Fair			Unrealized					Fair			Unrealized
(Dollars in thousands)	Value			Losses			Count		Value			Losses			Count		Value			Losses			Count
U.S. Treasury	$	76,383		$	(698)		21		$	—		$	—		—		$	76,383		$	(698)		21
Municipal		38,997			(910)		44			15,404			(512)		16			54,401			(1,422)		60
Corporate		8,954			(132)		17			1,694			(56)		3			10,648			(188)		20
Agency mortgage & asset-backed		96,923			(1,669)		94			15,991			(417)		18			112,914			(2,086)		112
Non-Agency mortgage & asset-backed		15,215			(215)		11			1,964			(57)		3			17,179			(272)		14
Total temporarily impaired	$	236,472		$	(3,624)		187		$	35,053		$	(1,042)		40		$	271,525		$	(4,666)		227

Other Than Temporary Impairment, Credit Losses Recognized In Earnings

		Three Months Ended
(Dollars in thousands)		March 31,
		2022			2021
Balance of cumulative credit-related OTTI at January 1		$	257		$	272
Decreases for previously recognized credit losses on securities that paid off			—			(15)
Balance of credit-related OTTI at March 31		$	257		$	257

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Tabular disclosure of the amount of other than temporary impairment (OTTI) related to credit losses recognized in earnings including: (a) the beginning balance of the amount related to credit losses on debt securities held by the investor at the beginning of the period for which a portion of an OTTI was recognized in other comprehensive income; (b) additions for the amount related to the credit loss for which an OTTI was not previously recognized; (c) reductions for securities sold during the period (realized); (d) reductions for securities for which the amount previously recognized in other comprehensive income was recognized in earnings because the investor intends to sell the security or more likely than not will be required to sell the security before recovery of its amortized cost basis; (e) additional increases to the amount related to the credit loss for which an OTTI was previously recognized when the investor does not intend to sell the security and it is not more likely than not that the investor will be required to sell the security before recovery of its amortized cost basis; (f) reductions for increases in cash flows expected to be collected that are recognized over the remaining life of the security; and (g) the ending balance of the amount related to credit losses on debt securities held by the entity at the end of the period for which a portion of an OTTI was recognized in other comprehensive income.

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