Other Comprehensive Income Accumulated Other Comprehensive Income - Roll Forward (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive (loss) income, net of tax at beginning of period	$ (631)
Other comprehensive income (loss) before reclassifications:
Pre-tax income (loss)	(3,052)	1,127	(4,048)
Amounts reclassified from accumulated other comprehensive income (loss):
Less: comprehensive income attributable to non-controlling interest	(18)	4	(1)
Accumulated other comprehensive (loss) income, net of tax at end of period	(3,665)	(631)
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive (loss) income, net of tax at beginning of period	2,189	587	2,293
Other comprehensive income (loss) before reclassifications:
Pre-tax income (loss)	(4,061)	2,473	1,568
Income tax (expense) benefit	1,421	(865)	(550)
Other comprehensive income (loss) before reclassifications, net of tax	(2,640)	1,608	1,018
Amounts reclassified from accumulated other comprehensive income (loss):
Pre-tax (income)	(2,043)	(3)	(4,193)
Income tax expense (benefit)	715	1	1,468
Amounts reclassified from accumulated other comprehensive (loss)income, net of tax	1,328	2	2,725
Current period other comprehensive income (loss), net of tax	(3,968)	1,606	(1,707)
Less: comprehensive income attributable to non-controlling interest	(18)	4	(1)
Accumulated other comprehensive (loss) income, net of tax at end of period	(1,761)	2,189	587
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive (loss) income, net of tax at beginning of period	(2,820)	(2,341)	0
Other comprehensive income (loss) before reclassifications:
Pre-tax income (loss)	277	(1,007)	(3,601)
Income tax (expense) benefit	(97)	352	1,260
Other comprehensive income (loss) before reclassifications, net of tax	180	(655)	(2,341)
Amounts reclassified from accumulated other comprehensive income (loss):
Pre-tax (income)	1,132	270	0
Income tax expense (benefit)	(396)	(94)	0
Amounts reclassified from accumulated other comprehensive (loss)income, net of tax	(736)	(176)	0
Current period other comprehensive income (loss), net of tax	916	(479)	(2,341)
Less: comprehensive income attributable to non-controlling interest	0	0	0
Accumulated other comprehensive (loss) income, net of tax at end of period	(1,904)	(2,820)	(2,341)
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive (loss) income, net of tax at beginning of period	(631)	(1,754)	2,293
Other comprehensive income (loss) before reclassifications:
Pre-tax income (loss)	(3,784)	1,466	(2,033)
Income tax (expense) benefit	1,324	(513)	710
Other comprehensive income (loss) before reclassifications, net of tax	(2,460)	953	(1,323)
Amounts reclassified from accumulated other comprehensive income (loss):
Pre-tax (income)	(911)	267	(4,193)
Income tax expense (benefit)	319	(93)	1,468
Amounts reclassified from accumulated other comprehensive (loss)income, net of tax	592	(174)	2,725
Current period other comprehensive income (loss), net of tax	(3,052)	1,127	(4,048)
Less: comprehensive income attributable to non-controlling interest	(18)	4	(1)
Accumulated other comprehensive (loss) income, net of tax at end of period	$ (3,665)	$ (631)	$ (1,754)