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6. Fair Value, Level of Hierarchy (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Estimated Fair Value	$ 210,055	$ 229,321
Level 1
Estimated Fair Value	0	0
Level 2
Estimated Fair Value	209,805	229,071
Level 3
Estimated Fair Value	250	250
Mortgage-backed securities
Estimated Fair Value	45,721	53,609
Mortgage-backed securities | Level 1
Estimated Fair Value	0	0
Mortgage-backed securities | Level 2
Estimated Fair Value	45,721	53,609
Mortgage-backed securities | Level 3
Estimated Fair Value	0	0
U.S. Government sponsored enterprises
Estimated Fair Value	37,537	40,380
U.S. Government sponsored enterprises | Level 1
Estimated Fair Value	0	0
U.S. Government sponsored enterprises | Level 2
Estimated Fair Value	37,537	40,380
U.S. Government sponsored enterprises | Level 3
Estimated Fair Value	0	0
State and political subdivisions
Estimated Fair Value	125,535	133,570
State and political subdivisions | Level 1
Estimated Fair Value	0	0
State and political subdivisions | Level 2
Estimated Fair Value	125,535	133,570
State and political subdivisions | Level 3
Estimated Fair Value	0	0
Corporate bonds
Estimated Fair Value	1,012	1,512
Corporate bonds | Level 1
Estimated Fair Value	0	0
Corporate bonds | Level 2
Estimated Fair Value	1,012	1,512
Corporate bonds | Level 3
Estimated Fair Value	0	0
Trust preferred securities
Estimated Fair Value	250	250
Trust preferred securities | Level 1
Estimated Fair Value	0	0
Trust preferred securities | Level 2
Estimated Fair Value	0	0
Trust preferred securities | Level 3
Estimated Fair Value	$ 250	$ 250

X

- Definition

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

+ References

No definition available.

+ Details

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- Details

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