XML 49 R38.htm IDEA: XBRL DOCUMENT v3.19.2

Investment Securities - Amortized Cost and Estimated Fair Value of Held to Maturity Securities (Details) - USD ($)	Jun. 30, 2019	Dec. 31, 2018	Jun. 30, 2018
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	$ 302,527,000	$ 255,663,000	$ 260,077,000
Unrealized Gains	6,041,000	1,382,000	1,678,000
Unrealized Losses	(493,000)	(6,145,000)	(5,439,000)
Fair Value (Estimated)	308,075,000	250,900,000	256,316,000
U.S. Government-sponsored agencies
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	35,995,000	11,155,000	11,155,000
Unrealized Gains	88,000	0	0
Unrealized Losses	0	(472,000)	(584,000)
Fair Value (Estimated)	36,083,000	10,683,000	10,571,000
Mortgage-backed securities
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	16,569,000	18,250,000	20,585,000
Unrealized Gains	500,000	336,000	404,000
Unrealized Losses	(33,000)	(255,000)	(365,000)
Fair Value (Estimated)	17,036,000	18,331,000	20,624,000
State and political subdivisions
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	236,213,000	221,958,000	224,037,000
Unrealized Gains	5,331,000	1,046,000	1,274,000
Unrealized Losses	(460,000)	(5,418,000)	(4,490,000)
Fair Value (Estimated)	241,084,000	217,586,000	220,821,000
Corporate securities
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	13,750,000	4,300,000	4,300,000
Unrealized Gains	122,000	0	0
Unrealized Losses	0	0	0
Fair Value (Estimated)	$ 13,872,000	$ 4,300,000	$ 4,300,000

X

- Definition

Amount of accumulated unrecognized gain on investment in debt security measured at amortized cost (held-to-maturity).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27232-111563

+ Details

Name:	us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27232-111563

+ Details

Name:	us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount, before other-than-temporary impairment (OTTI) accretion, of investment in debt securities measured at amortized cost (held-to-maturity).

+ References

No definition available.

+ Details

Name:	us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Fair value of investment in debt security measured at amortized cost (held-to-maturity).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (aa)
-URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27232-111563

+ Details

Name:	us-gaap_HeldToMaturitySecuritiesFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_USTreasuryAndGovernmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_MortgageBackedSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_USStatesAndPoliticalSubdivisionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_CorporateDebtSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: