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Statement of Comprehensive Income - Parenthetical - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Details
Tax effect of unrealized appreciation (depreciation) on available-for-sale securities, taxes (credit)	$ (541)	$ 238
Tax effect of change in fair value of cash flow hedge, taxes (credit)	$ 0	$ 29

X

- Definition

Represents the monetary amount of Tax effect of change in fair value of cash flow hedge, taxes (credit), during the indicated time period.

+ References

No definition available.

+ Details

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X

- Definition

Represents the monetary amount of Tax effect of unrealized appreciation (depreciation) on available-for-sale securities, taxes (credit), during the indicated time period.

+ References

No definition available.

+ Details

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Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

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