13. Employee Benefits (Details - Accumulated Pension Benefit Obligation) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Amounts recognized on Consolidated Balance Sheet
Other assets	$ 0	$ 2,823	$ 0
Other liabilities	(2,711)	0	(5,180)
Net amount recognized	(2,711)	2,823	(5,180)
Amounts recognized in accumulated other comprehensive income consists of:
Net loss	7,977	1,367	8,953
Unrecognized transition asset	0	0	0
Net amount recognized	1,367	8,953
Components of net periodic benefit cost
Interest Cost	888us-gaap_DefinedBenefitPlanInterestCost	823us-gaap_DefinedBenefitPlanInterestCost	875us-gaap_DefinedBenefitPlanInterestCost
Expected return on assets	(1,727)	(1,335)	(928)
Amortization of transition asset	0	0	0
Amortization of net loss	0	484	680
Net periodic benefit cost	(839)us-gaap_DefinedBenefitPlanOtherCosts	(28)us-gaap_DefinedBenefitPlanOtherCosts	627us-gaap_DefinedBenefitPlanOtherCosts
Settlement (gain)/loss	0	0	0
Total	(839)	(28)	627
Benefit Obligation Recognized in Other Comprehensive Income
Net gain	6,610	(7,586)	(2,748)
Prior service cost (credit)	0	0	0
Amortization of prior service cost	0	0	0
Net amount recognized in other comprehensive income	$ 6,610	$ (7,586)	$ (2,748)

Amount recognized in net periodic benefit cost and other comprehensive income.

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The pretax total of net gain (loss), prior service cost (credit), and transition assets (obligations), as well as minimum pension liability if still remaining, included in accumulated other comprehensive income associated with a defined benefit pension or other postretirement plan(s) because they have yet to be recognized as components of net periodic benefit cost.

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The pretax net amount of gains and losses that are not yet recognized as a component of net periodic benefit cost, and that are recognized as increases or decreases in other comprehensive income as they arise. Gains and losses are due to changes in the value of either the benefit obligation or the plan assets resulting from experience different from that assumed or from a change in an actuarial assumption, or the consequence of a decision to temporarily deviate from the substantive plan.

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Before tax amount of net transition assets (obligations) which has yet to be recognized as a component of net periodic benefit cost.

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The amount of the transition obligation or asset recognized in net periodic benefit cost.

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The aggregate net amount recognized in the balance sheet associated with the defined benefit plan(s). Will normally be the same as the Defined Benefit Plan, Funded Status of Plan, Total.

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Amount before tax, after reclassification adjustments, of actuarial gain (loss) that has not been recognized in the income statement.

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Amount before tax, after reclassification adjustments, of prior service cost (credit) that has not been recognized in the income statement.

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This represents the entire assets recognized in the balance sheet that are associated with the defined benefit plans.

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An amount calculated as a basis for determining the extent of delayed recognition of the effects of changes in the fair value of assets. The expected return on plan assets is determined based on the expected long-term rate of return on plan assets and the market-related value of plan assets.

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Amount included in accumulated other comprehensive income (AOCI) related to gain (loss) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position.

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Amount included in accumulated other comprehensive income (AOCI) related to prior service cost (credit) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position.

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The increase in a defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation due to the passage of time.

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The total amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments.

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Amount of other defined benefit plan costs.

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Amount of net gain (loss) recognized in net periodic benefit cost as a result of an irrevocable action that relieves the employer (or the plan) of primary responsibility for a benefit obligation and eliminates significant risks related to the obligation and the assets used to effect the settlement. Examples of transactions that constitute a settlement include, but are not limited to, lump-sum cash payments to plan participants in exchange for their rights to receive specified benefits and purchasing nonparticipating annuity contracts to cover vested benefits.

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This represents the entire liability recognized in the balance sheet that is associated with the defined benefit plans.

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