Label	Element	Value
Dividends, Common Stock	us-gaap_DividendsCommonStock	$ 8,186,000
Dividends, Common Stock	us-gaap_DividendsCommonStock	7,822,000
Shares Granted, Value, Share-Based Payment Arrangement, before Forfeiture	us-gaap_StockGrantedDuringPeriodValueSharebasedCompensationGross	2,443,000
Shares Granted, Value, Share-Based Payment Arrangement, before Forfeiture	us-gaap_StockGrantedDuringPeriodValueSharebasedCompensationGross	1,418,000
Noncontrolling Interest [Member]
Other Comprehensive Income (Loss), Net of Tax	us-gaap_OtherComprehensiveIncomeLossNetOfTax	3,000
Other Comprehensive Income (Loss), Net of Tax	us-gaap_OtherComprehensiveIncomeLossNetOfTax	(73,000)
Equity, Including Portion Attributable to Noncontrolling Interest	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	667,000
Equity, Including Portion Attributable to Noncontrolling Interest	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	561,000
Equity, Including Portion Attributable to Noncontrolling Interest	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	677,000
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	us-gaap_ProfitLoss	31,000
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	us-gaap_ProfitLoss	7,000
AOCI Attributable to Parent [Member]
Other Comprehensive Income (Loss), Net of Tax	us-gaap_OtherComprehensiveIncomeLossNetOfTax	(22,572,000)
Other Comprehensive Income (Loss), Net of Tax	us-gaap_OtherComprehensiveIncomeLossNetOfTax	15,063,000
Equity, Including Portion Attributable to Noncontrolling Interest	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	(146,987,000)
Equity, Including Portion Attributable to Noncontrolling Interest	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	(123,177,000)
Equity, Including Portion Attributable to Noncontrolling Interest	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	(138,240,000)
Retained Earnings [Member]
Equity, Including Portion Attributable to Noncontrolling Interest	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	469,920,000
Equity, Including Portion Attributable to Noncontrolling Interest	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	577,682,000
Equity, Including Portion Attributable to Noncontrolling Interest	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	491,632,000
Dividends, Common Stock	us-gaap_DividendsCommonStock	8,186,000
Dividends, Common Stock	us-gaap_DividendsCommonStock	7,822,000
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	us-gaap_ProfitLoss	35,227,000
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	us-gaap_ProfitLoss	29,534,000
Common Stock [Member]
Equity, Including Portion Attributable to Noncontrolling Interest	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	17,950,000
Equity, Including Portion Attributable to Noncontrolling Interest	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	17,990,000
Equity, Including Portion Attributable to Noncontrolling Interest	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	17,982,000
Shares Granted, Value, Share-Based Payment Arrangement, before Forfeiture	us-gaap_StockGrantedDuringPeriodValueSharebasedCompensationGross	(2,000)
Shares Granted, Value, Share-Based Payment Arrangement, before Forfeiture	us-gaap_StockGrantedDuringPeriodValueSharebasedCompensationGross	32,000
Additional Paid-in Capital [Member]
Equity, Including Portion Attributable to Noncontrolling Interest	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	928,288,000
Equity, Including Portion Attributable to Noncontrolling Interest	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	942,546,000
Equity, Including Portion Attributable to Noncontrolling Interest	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	929,674,000
Shares Granted, Value, Share-Based Payment Arrangement, before Forfeiture	us-gaap_StockGrantedDuringPeriodValueSharebasedCompensationGross	2,445,000
Shares Granted, Value, Share-Based Payment Arrangement, before Forfeiture	us-gaap_StockGrantedDuringPeriodValueSharebasedCompensationGross	$ 1,386,000