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Securities (Tables)

12 Months Ended

Dec. 31, 2018

Securities [Abstract]

Book values and approximate fair values of investment securities

The book values and approximate fair values of investment securities at December 31, 2018 and 2017 are summarized as follows:

		2018																2017
		Amortized				Fair				Unrealized								Amortized				Fair				Unrealized
($ in thousands)		Cost				Value				Gains				(Losses)				Cost				Value				Gains				(Losses)
Securities available for sale:
Government-sponsored enterprise securities		$	82,995				82,662				63				(396	)			14,000				13,867				—				(133	)
Mortgage-backed securities			396,995				385,551				39				(11,483	)			297,690				295,213				246				(2,722	)
Corporate bonds			33,751				33,138				76				(689	)			33,792				34,190				512				(114	)
Total available for sale			513,741				501,351				178				(12,568	)			345,482				343,270				758				(2,969	)
Securities held to maturity:
Mortgage-backed securities			52,048				50,241				—				(1,807	)			63,829				63,092				—				(737	)
State and local governments			49,189				49,665				525				(49	)			54,674				55,906				1,280				(48	)
Total held to maturity		$	101,237				99,906				525				(1,856	)			118,503				118,998				1,280				(785	)

Schedule of information regarding securities with unrealized losses

The following table presents information regarding securities with unrealized losses at December 31, 2018:

($ in thousands)		Securities in an Unrealized Loss Position for Less than 12 Months								Securities in an Unrealized Loss Position for More than 12 Months								Total
		Fair Value				Unrealized Losses				Fair Value				Unrealized Losses				Fair Value				Unrealized Losses
Government-sponsored enterprise securities		$	4,921				78				13,682				318				18,603				396
Mortgage-backed securities			82,525				351				294,305				12,939				376,830				13,290
Corporate bonds			20,704				433				5,817				256				26,521				689
State and local governments			595				1				6,641				48				7,236				49
Total temporarily impaired securities		$	108,745				863				320,445				13,561				429,190				14,424

The following table presents information regarding securities with unrealized losses at December 31, 2017:

($ in thousands)		Securities in an Unrealized Loss Position for Less than 12 Months								Securities in an Unrealized Loss Position for More than 12 Months								Total
		Fair Value				Unrealized Losses				Fair Value				Unrealized Losses				Fair Value				Unrealized Losses
Government-sponsored enterprise securities		$	10,897				103				2,970				30				13,867				133
Mortgage-backed securities			192,702				1,582				125,060				1,877				317,762				3,459
Corporate bonds			2,500				49				935				65				3,435				114
State and local governments			7,928				48				—				—				7,928				48
Total temporarily impaired securities		$	214,027				1,782				128,965				1,972				342,992				3,754

Schedule of book values and approximate fair values of investment securities by contractual maturity

The book values and approximate fair values of investment securities at December 31, 2018, by contractual maturity, are summarized in the table below. Expected maturities may differ from contractual maturities because issuers may have the right to call or prepay obligations with or without call or prepayment penalties.

		Securities Available for Sale								Securities Held to Maturity
		Amortized				Fair				Amortized				Fair
($ in thousands)		Cost				Value				Cost				Value
Debt securities
Due within one year		$	—				—			$	2,233				2,240
Due after one year but within five years			109,205				108,303				28,488				28,766
Due after five years but within ten years			2,541				2,559				16,743				16,932
Due after ten years			5,000				4,938				1,725				1,727
Mortgage-backed securities			396,995				385,551				52,048				50,241
Total securities		$	513,741				501,351			$	101,237				99,906

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- Definition

Schedule of investment securities which includes, but is not limited to, amortized cost basis, fair value, and gross unrealized gain (loss) values by type of security.

+ References

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- Definition

Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments.

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- Definition

For all investments in an unrealized loss position, including those for which other-than-temporary impairments have not been recognized in earnings (including investments for which a portion of an other-than-temporary impairment has been recognized in other comprehensive income), a tabular disclosure of the aggregate related fair value of investments with unrealized losses and the aggregate amount of unrealized losses (that is, the amount by which amortized cost basis exceeds fair value).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27290-111563

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