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Equity Method Investments (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended |  | 3 Months Ended | 6 Months Ended |  |  | 3 Months Ended | 6 Months Ended |  |  | 1 Months Ended | 3 Months Ended | 6 Months Ended |  | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2013 | Jun. 30, 2012 | Dec. 31, 2012 | Jun. 30, 2013 WesPac | Jun. 30, 2012 WesPac | Jun. 30, 2013 WesPac | Jun. 30, 2012 WesPac | Dec. 31, 2012 WesPac | Jul. 01, 2010 WesPac | Jul. 01, 2010 WesPac Kealine | Jun. 30, 2013 Bernard | Jun. 30, 2012 Bernard | Jun. 30, 2013 Bernard | Jun. 30, 2012 Bernard | Dec. 31, 2012 Bernard | Dec. 31, 2009 Bernard | Dec. 31, 2012 Alvah, Inc. | Jun. 30, 2013 Alvah, Inc. | Jun. 30, 2013 Alvah, Inc. | Nov. 17, 2012 Alvah, Inc. | Jun. 30, 2013 Alvah, Inc. ARB | Jun. 30, 2012 Alvah, Inc. ARB | Jun. 30, 2013 Alvah, Inc. ARB | Jun. 30, 2012 Alvah, Inc. ARB | Jun. 30, 2013 Alvah, Inc. Q3C | Jun. 30, 2012 Alvah, Inc. Q3C | Jun. 30, 2013 Alvah, Inc. Q3C | Jun. 30, 2012 Alvah, Inc. Q3C
Equity method investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Membership interest (as a percent) |  |  |  |  |  |  |  |  |  |  | 50.00% | 50.00% |  |  |  |  |  | 30.00% |  |  |  | 49.00% |  |  |  |  |  |  |  |
Balance sheet data |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets |  |  |  |  |  | $ 16,176 |  | $ 16,176 |  | $ 16,896 |  |  | $ 22 |  | $ 22 |  | $ 592 |  | $ 2,177 | $ 3,009 | $ 3,009 |  |  |  |  |  |  |  |  |
Liabilities |  |  |  |  |  | 773 |  | 773 |  | 1,063 |  |  | 22 |  | 22 |  | 86 |  | 1,208 | 1,477 | 1,477 |  |  |  |  |  |  |  |  |
Net assets |  |  |  |  |  | 15,403 |  | 15,403 |  | 15,833 |  |  |  |  |  |  | 506 |  | 969 | 1,532 | 1,532 |  |  |  |  |  |  |  |  |
Company's equity investment | 12,724 |  | 12,724 |  | 12,813 | 11,248 |  | 11,248 |  | 11,463 |  |  |  |  |  |  | 150 |  | 1,200 | 1,476 | 1,476 |  |  |  |  |  |  |  |  |
Earnings data: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  | 50 | 111 | 89 | 511 |  |  |  |  | 499 |  | 3,934 |  |  |  | 3,292 | 6,008 |  |  |  |  |  |  |  |  |
Expenses |  |  |  |  |  | 288 | 428 | 519 | 644 |  |  |  | 16 | 126 | 16 | 198 |  |  |  | 3,474 | 5,445 |  |  |  |  |  |  |  |  |
Earnings before taxes |  |  |  |  |  | (238) | (317) | (430) | (133) |  |  |  | (16) | 373 | (16) | 3,736 |  |  |  | (182) | 563 |  |  |  |  |  |  |  |  |
Company's equity in earnings | (213) | (47) | 56 | 1,054 |  | (119) | (159) | (215) | (67) |  |  |  | (5) | 112 | (5) | 1,121 |  |  |  | (89) | 276 |  |  |  |  |  |  |  |  |
Cost of investment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 300 |  |  |  |  |  |  |  |  |  |  |  |
Amount distributed |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 490 | 4,200 |  |  | 200 |  |  |  |  |  |  |  |  |  |  |
Share in distribution |  |  | 145 | 1,260 |  |  |  |  |  |  |  |  |  |  | 145 | 1,260 |  |  | 98 |  |  |  |  |  |  |  |  |  |  |
Payments made to equity method investee |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,423 | $ 908 | $ 2,909 | $ 2,153 | $ 0 | $ 115 | $ 212 | $ 233

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